    /**
     * @class Ext.AbstractComponent
     * <p>An abstract base class which provides shared methods for Components across the Sencha product line.</p>
     * <p>Please refer to sub class's documentation</p>
     * @constructor
     */

    Ext.define('Ext.AbstractComponent', {

        /* Begin Definitions */

        mixins: {
            observable: 'Ext.util.Observable',
            animate: 'Ext.util.Animate',
            state: 'Ext.state.Stateful'
        },

        requires: [
            'Ext.PluginManager',
            'Ext.ComponentManager',
            'Ext.core.Element',
            'Ext.core.DomHelper',
            'Ext.XTemplate',
            'Ext.ComponentQuery',
            'Ext.LoadMask',
            'Ext.ComponentLoader',
            'Ext.EventManager',
            'Ext.layout.Layout',
            'Ext.layout.component.Auto'
        ],

        // Please remember to add dependencies whenever you use it
        // I had to fix these many times already
        uses: [
            'Ext.ZIndexManager'
        ],

        statics: {
            AUTO_ID: 1000
        },

        /* End Definitions */

        isComponent: true,

        getAutoId: function() {
            return ++Ext.AbstractComponent.AUTO_ID;
        },

        /**
         * @cfg {String} id
         * <p>The <b><u>unique id of this component instance</u></b> (defaults to an {@link #getId auto-assigned id}).</p>
         * <p>It should not be necessary to use this configuration except for singleton objects in your application.
         * Components created with an id may be accessed globally using {@link Ext#getCmp Ext.getCmp}.</p>
         * <p>Instead of using assigned ids, use the {@link #itemId} config, and {@link Ext.ComponentQuery ComponentQuery} which
         * provides selector-based searching for Sencha Components analogous to DOM querying. The {@link Ext.container.Container Container}
         * class contains {@link Ext.container.Container#down shortcut methods} to query its descendant Components by selector.</p>
         * <p>Note that this id will also be used as the element id for the containing HTML element
         * that is rendered to the page for this component. This allows you to write id-based CSS
         * rules to style the specific instance of this component uniquely, and also to select
         * sub-elements using this component's id as the parent.</p>
         * <p><b>Note</b>: to avoid complications imposed by a unique <tt>id</tt> also see <code>{@link #itemId}</code>.</p>
         * <p><b>Note</b>: to access the container of a Component see <code>{@link #ownerCt}</code>.</p>
         */

        /**
         * @cfg {String} itemId
         * <p>An <tt>itemId</tt> can be used as an alternative way to get a reference to a component
         * when no object reference is available.  Instead of using an <code>{@link #id}</code> with
         * {@link Ext}.{@link Ext#getCmp getCmp}, use <code>itemId</code> with
         * {@link Ext.container.Container}.{@link Ext.container.Container#getComponent getComponent} which will retrieve
         * <code>itemId</code>'s or <tt>{@link #id}</tt>'s. Since <code>itemId</code>'s are an index to the
         * container's internal MixedCollection, the <code>itemId</code> is scoped locally to the container --
         * avoiding potential conflicts with {@link Ext.ComponentManager} which requires a <b>unique</b>
         * <code>{@link #id}</code>.</p>
         * <pre><code>
    var c = new Ext.panel.Panel({ //
        {@link Ext.Component#height height}: 300,
        {@link #renderTo}: document.body,
        {@link Ext.container.Container#layout layout}: 'auto',
        {@link Ext.container.Container#items items}: [
            {
                itemId: 'p1',
                {@link Ext.panel.Panel#title title}: 'Panel 1',
                {@link Ext.Component#height height}: 150
            },
            {
                itemId: 'p2',
                {@link Ext.panel.Panel#title title}: 'Panel 2',
                {@link Ext.Component#height height}: 150
            }
        ]
    })
    p1 = c.{@link Ext.container.Container#getComponent getComponent}('p1'); // not the same as {@link Ext#getCmp Ext.getCmp()}
    p2 = p1.{@link #ownerCt}.{@link Ext.container.Container#getComponent getComponent}('p2'); // reference via a sibling
         * </code></pre>
         * <p>Also see <tt>{@link #id}</tt>, <code>{@link #query}</code>, <code>{@link #down}</code> and <code>{@link #child}</code>.</p>
         * <p><b>Note</b>: to access the container of an item see <tt>{@link #ownerCt}</tt>.</p>
         */

        /**
         * This Component's owner {@link Ext.container.Container Container} (defaults to undefined, and is set automatically when
         * this Component is added to a Container).  Read-only.
         * <p><b>Note</b>: to access items within the Container see <tt>{@link #itemId}</tt>.</p>
         * @type Ext.Container
         * @property ownerCt
         */

        /**
         * @cfg {Mixed} autoEl
         * <p>A tag name or {@link Ext.core.DomHelper DomHelper} spec used to create the {@link #getEl Element} which will
         * encapsulate this Component.</p>
         * <p>You do not normally need to specify this. For the base classes {@link Ext.Component} and {@link Ext.container.Container},
         * this defaults to <b><tt>'div'</tt></b>. The more complex Sencha classes use a more complex
         * DOM structure specified by their own {@link #renderTpl}s.</p>
         * <p>This is intended to allow the developer to create application-specific utility Components encapsulated by
         * different DOM elements. Example usage:</p><pre><code>
    {
        xtype: 'component',
        autoEl: {
            tag: 'img',
            src: 'http://www.example.com/example.jpg'
        }
    }, {
        xtype: 'component',
        autoEl: {
            tag: 'blockquote',
            html: 'autoEl is cool!'
        }
    }, {
        xtype: 'container',
        autoEl: 'ul',
        cls: 'ux-unordered-list',
        items: {
            xtype: 'component',
            autoEl: 'li',
            html: 'First list item'
        }
    }
    </code></pre>
         */

        /**
         * @cfg {Mixed} renderTpl
         * <p>An {@link Ext.XTemplate XTemplate} used to create the internal structure inside this Component's
         * encapsulating {@link #getEl Element}.</p>
         * <p>You do not normally need to specify this. For the base classes {@link Ext.Component}
         * and {@link Ext.container.Container}, this defaults to <b><code>null</code></b> which means that they will be initially rendered
         * with no internal structure; they render their {@link #getEl Element} empty. The more specialized ExtJS and Touch classes
         * which use a more complex DOM structure, provide their own template definitions.</p>
         * <p>This is intended to allow the developer to create application-specific utility Components with customized
         * internal structure.</p>
         * <p>Upon rendering, any created child elements may be automatically imported into object properties using the
         * {@link #renderSelectors} option.</p>
         */
        renderTpl: null,

        /**
         * @cfg {Object} renderSelectors

    An object containing properties specifying {@link Ext.DomQuery DomQuery} selectors which identify child elements
    created by the render process.

    After the Component's internal structure is rendered according to the {@link #renderTpl}, this object is iterated through,
    and the found Elements are added as properties to the Component using the `renderSelector` property name.

    For example, a Component which rendered an image, and description into its element might use the following properties
    coded into its prototype:

        renderTpl: '&lt;img src="{imageUrl}" class="x-image-component-img">&lt;div class="x-image-component-desc">{description}&gt;/div&lt;',

        renderSelectors: {
            image: 'img.x-image-component-img',
            descEl: 'div.x-image-component-desc'
        }

    After rendering, the Component would have a property <code>image</code> referencing its child `img` Element,
    and a property `descEl` referencing the `div` Element which contains the description.

         * @markdown
         */

        /**
         * @cfg {Mixed} renderTo
         * <p>Specify the id of the element, a DOM element or an existing Element that this component
         * will be rendered into.</p><div><ul>
         * <li><b>Notes</b> : <ul>
         * <div class="sub-desc">Do <u>not</u> use this option if the Component is to be a child item of
         * a {@link Ext.container.Container Container}. It is the responsibility of the
         * {@link Ext.container.Container Container}'s {@link Ext.container.Container#layout layout manager}
         * to render and manage its child items.</div>
         * <div class="sub-desc">When using this config, a call to render() is not required.</div>
         * </ul></li>
         * </ul></div>
         * <p>See <code>{@link #render}</code> also.</p>
         */

        /**
         * @cfg {Boolean} frame
         * <p>Specify as <code>true</code> to have the Component inject framing elements within the Component at render time to
         * provide a graphical rounded frame around the Component content.</p>
         * <p>This is only necessary when running on outdated, or non standard-compliant browsers such as Microsoft's Internet Explorer
         * prior to version 9 which do not support rounded corners natively.</p>
         * <p>The extra space taken up by this framing is available from the read only property {@link #frameSize}.</p>
         */

        /**
         * <p>Read-only property indicating the width of any framing elements which were added within the encapsulating element
         * to provide graphical, rounded borders. See the {@link #frame} config.</p>
         * <p> This is an object containing the frame width in pixels for all four sides of the Component containing
         * the following properties:</p><div class="mdetail-params"><ul>
         * <li><code>top</code> The width of the top framing element in pixels.</li>
         * <li><code>right</code> The width of the right framing element in pixels.</li>
         * <li><code>bottom</code> The width of the bottom framing element in pixels.</li>
         * <li><code>left</code> The width of the left framing element in pixels.</li>
         * </ul></div>
         * @property frameSize
         * @type {Object}
         */

        /**
         * @cfg {String/Object} componentLayout
         * <p>The sizing and positioning of a Component's internal Elements is the responsibility of
         * the Component's layout manager which sizes a Component's internal structure in response to the Component being sized.</p>
         * <p>Generally, developers will not use this configuration as all provided Components which need their internal
         * elements sizing (Such as {@link Ext.form.field.Base input fields}) come with their own componentLayout managers.</p>
         * <p>The {@link Ext.layout.container.Auto default layout manager} will be used on instances of the base Ext.Component class
         * which simply sizes the Component's encapsulating element to the height and width specified in the {@link #setSize} method.</p>
         */

        /**
         * @cfg {Mixed} tpl
         * An <bold>{@link Ext.Template}</bold>, <bold>{@link Ext.XTemplate}</bold>
         * or an array of strings to form an Ext.XTemplate.
         * Used in conjunction with the <code>{@link #data}</code> and
         * <code>{@link #tplWriteMode}</code> configurations.
         */

        /**
         * @cfg {Mixed} data
         * The initial set of data to apply to the <code>{@link #tpl}</code> to
         * update the content area of the Component.
         */

        /**
         * @cfg {String} tplWriteMode The Ext.(X)Template method to use when
         * updating the content area of the Component. Defaults to <code>'overwrite'</code>
         * (see <code>{@link Ext.XTemplate#overwrite}</code>).
         */
        tplWriteMode: 'overwrite',

        /**
         * @cfg {String} baseCls
         * The base CSS class to apply to this components's element. This will also be prepended to
         * elements within this component like Panel's body will get a class x-panel-body. This means
         * that if you create a subclass of Panel, and you want it to get all the Panels styling for the
         * element and the body, you leave the baseCls x-panel and use componentCls to add specific styling for this
         * component.
         */
        baseCls: Ext.baseCSSPrefix + 'component',

        /**
         * @cfg {String} componentCls
         * CSS Class to be added to a components root level element to give distinction to it
         * via styling.
         */

        /**
         * @cfg {String} cls
         * An optional extra CSS class that will be added to this component's Element (defaults to '').  This can be
         * useful for adding customized styles to the component or any of its children using standard CSS rules.
         */

        /**
         * @cfg {String} overCls
         * An optional extra CSS class that will be added to this component's Element when the mouse moves
         * over the Element, and removed when the mouse moves out. (defaults to '').  This can be
         * useful for adding customized 'active' or 'hover' styles to the component or any of its children using standard CSS rules.
         */

        /**
         * @cfg {String} disabledCls
         * CSS class to add when the Component is disabled. Defaults to 'x-item-disabled'.
         */
        disabledCls: Ext.baseCSSPrefix + 'item-disabled',

        /**
         * @cfg {String/Array} ui
         * A set style for a component. Can be a string or an Array of multiple strings (UIs)
         */
        ui: 'default',

        /**
         * @cfg {Array} uiCls
         * An array of of classNames which are currently applied to this component
         * @private
         */
        uiCls: [],

        /**
         * @cfg {String} style
         * A custom style specification to be applied to this component's Element.  Should be a valid argument to
         * {@link Ext.core.Element#applyStyles}.
         * <pre><code>
            new Ext.panel.Panel({
                title: 'Some Title',
                renderTo: Ext.getBody(),
                width: 400, height: 300,
                layout: 'form',
                items: [{
                    xtype: 'textarea',
                    style: {
                        width: '95%',
                        marginBottom: '10px'
                    }
                },
                new Ext.button.Button({
                    text: 'Send',
                    minWidth: '100',
                    style: {
                        marginBottom: '10px'
                    }
                })
                ]
            });
         </code></pre>
         */

        /**
         * @cfg {Number} width
         * The width of this component in pixels.
         */

        /**
         * @cfg {Number} height
         * The height of this component in pixels.
         */

        /**
         * @cfg {Number/String} border
         * Specifies the border for this component. The border can be a single numeric value to apply to all sides or
         * it can be a CSS style specification for each style, for example: '10 5 3 10'.
         */

        /**
         * @cfg {Number/String} padding
         * Specifies the padding for this component. The padding can be a single numeric value to apply to all sides or
         * it can be a CSS style specification for each style, for example: '10 5 3 10'.
         */

        /**
         * @cfg {Number/String} margin
         * Specifies the margin for this component. The margin can be a single numeric value to apply to all sides or
         * it can be a CSS style specification for each style, for example: '10 5 3 10'.
         */

        /**
         * @cfg {Boolean} hidden
         * Defaults to false.
         */
        hidden: false,

        /**
         * @cfg {Boolean} disabled
         * Defaults to false.
         */
        disabled: false,

        /**
         * @cfg {Boolean} draggable
         * Allows the component to be dragged.
         */

        /**
         * Read-only property indicating whether or not the component can be dragged
         * @property draggable
         * @type {Boolean}
         */
        draggable: false,

        /**
         * @cfg {Boolean} floating
         * Create the Component as a floating and use absolute positioning.
         * Defaults to false.
         */
        floating: false,

        /**
         * @cfg {String} hideMode
         * A String which specifies how this Component's encapsulating DOM element will be hidden.
         * Values may be<div class="mdetail-params"><ul>
         * <li><code>'display'</code> : The Component will be hidden using the <code>display: none</code> style.</li>
         * <li><code>'visibility'</code> : The Component will be hidden using the <code>visibility: hidden</code> style.</li>
         * <li><code>'offsets'</code> : The Component will be hidden by absolutely positioning it out of the visible area of the document. This
         * is useful when a hidden Component must maintain measurable dimensions. Hiding using <code>display</code> results
         * in a Component having zero dimensions.</li></ul></div>
         * Defaults to <code>'display'</code>.
         */
        hideMode: 'display',

        /**
         * @cfg {String} contentEl
         * <p>Optional. Specify an existing HTML element, or the <code>id</code> of an existing HTML element to use as the content
         * for this component.</p>
         * <ul>
         * <li><b>Description</b> :
         * <div class="sub-desc">This config option is used to take an existing HTML element and place it in the layout element
         * of a new component (it simply moves the specified DOM element <i>after the Component is rendered</i> to use as the content.</div></li>
         * <li><b>Notes</b> :
         * <div class="sub-desc">The specified HTML element is appended to the layout element of the component <i>after any configured
         * {@link #html HTML} has been inserted</i>, and so the document will not contain this element at the time the {@link #render} event is fired.</div>
         * <div class="sub-desc">The specified HTML element used will not participate in any <code><b>{@link Ext.container.Container#layout layout}</b></code>
         * scheme that the Component may use. It is just HTML. Layouts operate on child <code><b>{@link Ext.container.Container#items items}</b></code>.</div>
         * <div class="sub-desc">Add either the <code>x-hidden</code> or the <code>x-hide-display</code> CSS class to
         * prevent a brief flicker of the content before it is rendered to the panel.</div></li>
         * </ul>
         */

        /**
         * @cfg {String/Object} html
         * An HTML fragment, or a {@link Ext.core.DomHelper DomHelper} specification to use as the layout element
         * content (defaults to ''). The HTML content is added after the component is rendered,
         * so the document will not contain this HTML at the time the {@link #render} event is fired.
         * This content is inserted into the body <i>before</i> any configured {@link #contentEl} is appended.
         */

        /**
         * @cfg {Boolean} styleHtmlContent
         * True to automatically style the html inside the content target of this component (body for panels).
         * Defaults to false.
         */
        styleHtmlContent: false,

        /**
         * @cfg {String} styleHtmlCls
         * The class that is added to the content target when you set styleHtmlContent to true.
         * Defaults to 'x-html'
         */
        styleHtmlCls: Ext.baseCSSPrefix + 'html',

        /**
         * @cfg {Number} minHeight
         * <p>The minimum value in pixels which this Component will set its height to.</p>
         * <p><b>Warning:</b> This will override any size management applied by layout managers.</p>
         */
        /**
         * @cfg {Number} minWidth
         * <p>The minimum value in pixels which this Component will set its width to.</p>
         * <p><b>Warning:</b> This will override any size management applied by layout managers.</p>
         */
        /**
         * @cfg {Number} maxHeight
         * <p>The maximum value in pixels which this Component will set its height to.</p>
         * <p><b>Warning:</b> This will override any size management applied by layout managers.</p>
         */
        /**
         * @cfg {Number} maxWidth
         * <p>The maximum value in pixels which this Component will set its width to.</p>
         * <p><b>Warning:</b> This will override any size management applied by layout managers.</p>
         */

        /**
         * @cfg {Ext.ComponentLoader/Object} loader
         * A configuration object or an instance of a {@link Ext.ComponentLoader} to load remote
         * content for this Component.
         */

         // @private
         allowDomMove: true,

         /**
          * @cfg {Boolean} autoShow True to automatically show the component upon creation.
          * This config option may only be used for {@link #floating} components or components
          * that use {@link #autoRender}. Defaults to <tt>false</tt>.
          */
         autoShow: false,

        /**
         * @cfg {Mixed} autoRender
         * <p>This config is intended mainly for {@link #floating} Components which may or may not be shown. Instead
         * of using {@link #renderTo} in the configuration, and rendering upon construction, this allows a Component
         * to render itself upon first <i>{@link #show}</i>.</p>
         * <p>Specify as <code>true</code> to have this Component render to the document body upon first show.</p>
         * <p>Specify as an element, or the ID of an element to have this Component render to a specific element upon first show.</p>
         * <p><b>This defaults to <code>true</code> for the {@link Ext.window.Window Window} class.</b></p>
         */
         autoRender: false,

         needsLayout: false,

        /**
         * @cfg {Object/Array} plugins
         * An object or array of objects that will provide custom functionality for this component.  The only
         * requirement for a valid plugin is that it contain an init method that accepts a reference of type Ext.Component.
         * When a component is created, if any plugins are available, the component will call the init method on each
         * plugin, passing a reference to itself.  Each plugin can then call methods or respond to events on the
         * component as needed to provide its functionality.
         */

        /**
         * Read-only property indicating whether or not the component has been rendered.
         * @property rendered
         * @type {Boolean}
         */
        rendered: false,

        weight: 0,

        trimRe: /^\s+|\s+$/g,
        spacesRe: /\s+/,

        /**
         * This is an internal flag that you use when creating custom components.
         * By default this is set to true which means that every component gets a mask when its disabled.
         * Components like FieldContainer, FieldSet, Field, Button, Tab override this property to false
         * since they want to implement custom disable logic.
         * @property maskOnDisable
         * @type {Boolean}
         */
        maskOnDisable: true,

        constructor : function(config) {
            var me = this,
                i, len;

            config = config || {};
            me.initialConfig = config;
            Ext.apply(me, config);

            me.addEvents(
                /**
                 * @event beforeactivate
                 * Fires before a Component has been visually activated.
                 * Returning false from an event listener can prevent the activate
                 * from occurring.
                 * @param {Ext.Component} this
                 */
                 'beforeactivate',
                /**
                 * @event activate
                 * Fires after a Component has been visually activated.
                 * @param {Ext.Component} this
                 */
                 'activate',
                /**
                 * @event beforedeactivate
                 * Fires before a Component has been visually deactivated.
                 * Returning false from an event listener can prevent the deactivate
                 * from occurring.
                 * @param {Ext.Component} this
                 */
                 'beforedeactivate',
                /**
                 * @event deactivate
                 * Fires after a Component has been visually deactivated.
                 * @param {Ext.Component} this
                 */
                 'deactivate',
                /**
                 * @event added
                 * Fires after a Component had been added to a Container.
                 * @param {Ext.Component} this
                 * @param {Ext.container.Container} container Parent Container
                 * @param {Number} pos position of Component
                 */
                 'added',
                /**
                 * @event disable
                 * Fires after the component is disabled.
                 * @param {Ext.Component} this
                 */
                 'disable',
                /**
                 * @event enable
                 * Fires after the component is enabled.
                 * @param {Ext.Component} this
                 */
                 'enable',
                /**
                 * @event beforeshow
                 * Fires before the component is shown when calling the {@link #show} method.
                 * Return false from an event handler to stop the show.
                 * @param {Ext.Component} this
                 */
                 'beforeshow',
                /**
                 * @event show
                 * Fires after the component is shown when calling the {@link #show} method.
                 * @param {Ext.Component} this
                 */
                 'show',
                /**
                 * @event beforehide
                 * Fires before the component is hidden when calling the {@link #hide} method.
                 * Return false from an event handler to stop the hide.
                 * @param {Ext.Component} this
                 */
                 'beforehide',
                /**
                 * @event hide
                 * Fires after the component is hidden.
                 * Fires after the component is hidden when calling the {@link #hide} method.
                 * @param {Ext.Component} this
                 */
                 'hide',
                /**
                 * @event removed
                 * Fires when a component is removed from an Ext.container.Container
                 * @param {Ext.Component} this
                 * @param {Ext.container.Container} ownerCt Container which holds the component
                 */
                 'removed',
                /**
                 * @event beforerender
                 * Fires before the component is {@link #rendered}. Return false from an
                 * event handler to stop the {@link #render}.
                 * @param {Ext.Component} this
                 */
                 'beforerender',
                /**
                 * @event render
                 * Fires after the component markup is {@link #rendered}.
                 * @param {Ext.Component} this
                 */
                 'render',
                /**
                 * @event afterrender
                 * <p>Fires after the component rendering is finished.</p>
                 * <p>The afterrender event is fired after this Component has been {@link #rendered}, been postprocesed
                 * by any afterRender method defined for the Component.</p>
                 * @param {Ext.Component} this
                 */
                 'afterrender',
                /**
                 * @event beforedestroy
                 * Fires before the component is {@link #destroy}ed. Return false from an event handler to stop the {@link #destroy}.
                 * @param {Ext.Component} this
                 */
                 'beforedestroy',
                /**
                 * @event destroy
                 * Fires after the component is {@link #destroy}ed.
                 * @param {Ext.Component} this
                 */
                 'destroy',
                /**
                 * @event resize
                 * Fires after the component is resized.
                 * @param {Ext.Component} this
                 * @param {Number} adjWidth The box-adjusted width that was set
                 * @param {Number} adjHeight The box-adjusted height that was set
                 */
                 'resize',
                /**
                 * @event move
                 * Fires after the component is moved.
                 * @param {Ext.Component} this
                 * @param {Number} x The new x position
                 * @param {Number} y The new y position
                 */
                 'move'
            );

            me.getId();

            me.mons = [];
            me.additionalCls = [];
            me.renderData = me.renderData || {};
            me.renderSelectors = me.renderSelectors || {};

            if (me.plugins) {
                me.plugins = [].concat(me.plugins);
                for (i = 0, len = me.plugins.length; i < len; i++) {
                    me.plugins[i] = me.constructPlugin(me.plugins[i]);
                }
            }

            me.initComponent();

            // ititComponent gets a chance to change the id property before registering
            Ext.ComponentManager.register(me);

            // Dont pass the config so that it is not applied to 'this' again
            me.mixins.observable.constructor.call(me);
            me.mixins.state.constructor.call(me, config);

            // Move this into Observable?
            if (me.plugins) {
                me.plugins = [].concat(me.plugins);
                for (i = 0, len = me.plugins.length; i < len; i++) {
                    me.plugins[i] = me.initPlugin(me.plugins[i]);
                }
            }

            me.loader = me.getLoader();

            if (me.renderTo) {
                me.render(me.renderTo);
                // EXTJSIV-1935 - should be a way to do afterShow or something, but that
                // won't work. Likewise, rendering hidden and then showing (w/autoShow) has
                // implications to afterRender so we cannot do that.
            }

            if (me.autoShow) {
                me.show();
            }

            //<debug>
            if (Ext.isDefined(me.disabledClass)) {
                if (Ext.isDefined(Ext.global.console)) {
                    Ext.global.console.warn('Ext.Component: disabledClass has been deprecated. Please use disabledCls.');
                }
                me.disabledCls = me.disabledClass;
                delete me.disabledClass;
            }
            //</debug>
        },

        initComponent: Ext.emptyFn,

        show: Ext.emptyFn,

        animate: function(animObj) {
            var me = this,
                to;

            animObj = animObj || {};
            to = animObj.to || {};

            if (Ext.fx.Manager.hasFxBlock(me.id)) {
                return me;
            }
            // Special processing for animating Component dimensions.
            if (!animObj.dynamic && (to.height || to.width)) {
                var curWidth = me.getWidth(),
                    w = curWidth,
                    curHeight = me.getHeight(),
                    h = curHeight,
                    needsResize = false;

                if (to.height && to.height > curHeight) {
                    h = to.height;
                    needsResize = true;
                }
                if (to.width && to.width > curWidth) {
                    w = to.width;
                    needsResize = true;
                }

                // If any dimensions are being increased, we must resize the internal structure
                // of the Component, but then clip it by sizing its encapsulating element back to original dimensions.
                // The animation will then progressively reveal the larger content.
                if (needsResize) {
                    var clearWidth = !Ext.isNumber(me.width),
                        clearHeight = !Ext.isNumber(me.height);

                    me.componentLayout.childrenChanged = true;
                    me.setSize(w, h, me.ownerCt);
                    me.el.setSize(curWidth, curHeight);
                    if (clearWidth) {
                        delete me.width;
                    }
                    if (clearHeight) {
                        delete me.height;
                    }
                }
            }
            return me.mixins.animate.animate.apply(me, arguments);
        },

        /**
         * <p>This method finds the topmost active layout who's processing will eventually determine the size and position of this
         * Component.<p>
         * <p>This method is useful when dynamically adding Components into Containers, and some processing must take place after the
         * final sizing and positioning of the Component has been performed.</p>
         * @returns
         */
        findLayoutController: function() {
            return this.findParentBy(function(c) {
                // Return true if we are at the root of the Container tree
                // or this Container's layout is busy but the next one up is not.
                return !c.ownerCt || (c.layout.layoutBusy && !c.ownerCt.layout.layoutBusy);
            });
        },

        onShow : function() {
            // Layout if needed
            var needsLayout = this.needsLayout;
            if (Ext.isObject(needsLayout)) {
                this.doComponentLayout(needsLayout.width, needsLayout.height, needsLayout.isSetSize, needsLayout.ownerCt);
            }
        },

        constructPlugin: function(plugin) {
            if (plugin.ptype && typeof plugin.init != 'function') {
                plugin.cmp = this;
                plugin = Ext.PluginManager.create(plugin);
            }
            else if (typeof plugin == 'string') {
                plugin = Ext.PluginManager.create({
                    ptype: plugin,
                    cmp: this
                });
            }
            return plugin;
        },

        // @private
        initPlugin : function(plugin) {
            plugin.init(this);

            return plugin;
        },

        /**
         * Handles autoRender.
         * Floating Components may have an ownerCt. If they are asking to be constrained, constrain them within that
         * ownerCt, and have their z-index managed locally. Floating Components are always rendered to document.body
         */
        doAutoRender: function() {
            var me = this;
            if (me.floating) {
                me.render(document.body);
            } else {
                me.render(Ext.isBoolean(me.autoRender) ? Ext.getBody() : me.autoRender);
            }
        },

        // @private
        render : function(container, position) {
            var me = this;

            if (!me.rendered && me.fireEvent('beforerender', me) !== false) {
                // If this.el is defined, we want to make sure we are dealing with
                // an Ext Element.
                if (me.el) {
                    me.el = Ext.get(me.el);
                }

                // Perform render-time processing for floating Components
                if (me.floating) {
                    me.onFloatRender();
                }

                container = me.initContainer(container);

                me.onRender(container, position);

                // Tell the encapsulating element to hide itself in the way the Component is configured to hide
                // This means DISPLAY, VISIBILITY or OFFSETS.
                me.el.setVisibilityMode(Ext.core.Element[me.hideMode.toUpperCase()]);

                if (me.overCls) {
                    me.el.hover(me.addOverCls, me.removeOverCls, me);
                }

                me.fireEvent('render', me);

                me.initContent();

                me.afterRender(container);
                me.fireEvent('afterrender', me);

                me.initEvents();

                if (me.hidden) {
                    // Hiding during the render process should not perform any ancillary
                    // actions that the full hide process does; It is not hiding, it begins in a hidden state.'
                    // So just make the element hidden according to the configured hideMode
                    me.el.hide();
                }

                if (me.disabled) {
                    // pass silent so the event doesn't fire the first time.
                    me.disable(true);
                }
            }
            return me;
        },

        // @private
        onRender : function(container, position) {
            var me = this,
                el = me.el,
                cls = me.initCls(),
                styles = me.initStyles(),
                renderTpl, renderData, i;

            position = me.getInsertPosition(position);

            if (!el) {
                if (position) {
                    el = Ext.core.DomHelper.insertBefore(position, me.getElConfig(), true);
                }
                else {
                    el = Ext.core.DomHelper.append(container, me.getElConfig(), true);
                }
            }
            else if (me.allowDomMove !== false) {
                if (position) {
                    container.dom.insertBefore(el.dom, position);
                } else {
                    container.dom.appendChild(el.dom);
                }
            }

            if (Ext.scopeResetCSS && !me.ownerCt) {
                // If this component's el is the body element, we add the reset class to the html tag
                if (el.dom == Ext.getBody().dom) {
                    el.parent().addCls(Ext.baseCSSPrefix + 'reset');
                }
                else {
                    // Else we wrap this element in an element that adds the reset class.
                    me.resetEl = el.wrap({
                        cls: Ext.baseCSSPrefix + 'reset'
                    });
                }
            }

            el.addCls(cls);
            el.setStyle(styles);

            // Here we check if the component has a height set through style or css.
            // If it does then we set the this.height to that value and it won't be
            // considered an auto height component
            // if (this.height === undefined) {
            //     var height = el.getHeight();
            //     // This hopefully means that the panel has an explicit height set in style or css
            //     if (height - el.getPadding('tb') - el.getBorderWidth('tb') > 0) {
            //         this.height = height;
            //     }
            // }

            me.el = el;

            me.rendered = true;
            me.addUIToElement(true);
            //loop through all exisiting uiCls and update the ui in them
            for (i = 0; i < me.uiCls.length; i++) {
                me.addUIClsToElement(me.uiCls[i], true);
            }
            me.rendered = false;
            me.initFrame();

            renderTpl = me.initRenderTpl();
            if (renderTpl) {
                renderData = me.initRenderData();
                renderTpl.append(me.getTargetEl(), renderData);
            }

            me.applyRenderSelectors();

            me.rendered = true;

            me.setUI(me.ui);
        },

        // @private
        afterRender : function() {
            var me = this,
                pos,
                xy;

            me.getComponentLayout();

            // Set the size if a size is configured, or if this is the outermost Container
            if (!me.ownerCt || (me.height || me.width)) {
                me.setSize(me.width, me.height);
            }

            // For floaters, calculate x and y if they aren't defined by aligning
            // the sized element to the center of either the the container or the ownerCt
            if (me.floating && (me.x === undefined || me.y === undefined)) {
                if (me.floatParent) {
                    xy = me.el.getAlignToXY(me.floatParent.getTargetEl(), 'c-c');
                    pos = me.floatParent.getTargetEl().translatePoints(xy[0], xy[1]);
                } else {
                    xy = me.el.getAlignToXY(me.container, 'c-c');
                    pos = me.container.translatePoints(xy[0], xy[1]);
                }
                me.x = me.x === undefined ? pos.left: me.x;
                me.y = me.y === undefined ? pos.top: me.y;
            }

            if (Ext.isDefined(me.x) || Ext.isDefined(me.y)) {
                me.setPosition(me.x, me.y);
            }

            if (me.styleHtmlContent) {
                me.getTargetEl().addCls(me.styleHtmlCls);
            }
        },

        frameCls: Ext.baseCSSPrefix + 'frame',

        frameTpl: [
            '<tpl if="top">',
                '<tpl if="left"><div class="{frameCls}-tl {baseCls}-tl {baseCls}-{ui}-tl<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-tl</tpl></tpl>" style="background-position: {tl}; padding-left: {frameWidth}px" role="presentation"></tpl>',
                    '<tpl if="right"><div class="{frameCls}-tr {baseCls}-tr {baseCls}-{ui}-tr<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-tr</tpl></tpl>" style="background-position: {tr}; padding-right: {frameWidth}px" role="presentation"></tpl>',
                        '<div class="{frameCls}-tc {baseCls}-tc {baseCls}-{ui}-tc<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-tc</tpl></tpl>" style="background-position: {tc}; height: {frameWidth}px" role="presentation"></div>',
                    '<tpl if="right"></div></tpl>',
                '<tpl if="left"></div></tpl>',
            '</tpl>',
            '<tpl if="left"><div class="{frameCls}-ml {baseCls}-ml {baseCls}-{ui}-ml<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-ml</tpl></tpl>" style="background-position: {ml}; padding-left: {frameWidth}px" role="presentation"></tpl>',
                '<tpl if="right"><div class="{frameCls}-mr {baseCls}-mr {baseCls}-{ui}-mr<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-mr</tpl></tpl>" style="background-position: {mr}; padding-right: {frameWidth}px" role="presentation"></tpl>',
                    '<div class="{frameCls}-mc {baseCls}-mc {baseCls}-{ui}-mc<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-mc</tpl></tpl>" role="presentation"></div>',
                '<tpl if="right"></div></tpl>',
            '<tpl if="left"></div></tpl>',
            '<tpl if="bottom">',
                '<tpl if="left"><div class="{frameCls}-bl {baseCls}-bl {baseCls}-{ui}-bl<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-bl</tpl></tpl>" style="background-position: {bl}; padding-left: {frameWidth}px" role="presentation"></tpl>',
                    '<tpl if="right"><div class="{frameCls}-br {baseCls}-br {baseCls}-{ui}-br<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-br</tpl></tpl>" style="background-position: {br}; padding-right: {frameWidth}px" role="presentation"></tpl>',
                        '<div class="{frameCls}-bc {baseCls}-bc {baseCls}-{ui}-bc<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-bc</tpl></tpl>" style="background-position: {bc}; height: {frameWidth}px" role="presentation"></div>',
                    '<tpl if="right"></div></tpl>',
                '<tpl if="left"></div></tpl>',
            '</tpl>'
        ],

        frameTableTpl: [
            '<table><tbody>',
                '<tpl if="top">',
                    '<tr>',
                        '<tpl if="left"><td class="{frameCls}-tl {baseCls}-tl {baseCls}-{ui}-tl<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-tl</tpl></tpl>" style="background-position: {tl}; padding-left:{frameWidth}px" role="presentation"></td></tpl>',
                        '<td class="{frameCls}-tc {baseCls}-tc {baseCls}-{ui}-tc<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-tc</tpl></tpl>" style="background-position: {tc}; height: {frameWidth}px" role="presentation"></td>',
                        '<tpl if="right"><td class="{frameCls}-tr {baseCls}-tr {baseCls}-{ui}-tr<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-tr</tpl></tpl>" style="background-position: {tr}; padding-left: {frameWidth}px" role="presentation"></td></tpl>',
                    '</tr>',
                '</tpl>',
                '<tr>',
                    '<tpl if="left"><td class="{frameCls}-ml {baseCls}-ml {baseCls}-{ui}-ml<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-ml</tpl></tpl>" style="background-position: {ml}; padding-left: {frameWidth}px" role="presentation"></td></tpl>',
                    '<td class="{frameCls}-mc {baseCls}-mc {baseCls}-{ui}-mc<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-mc</tpl></tpl>" style="background-position: 0 0;" role="presentation"></td>',
                    '<tpl if="right"><td class="{frameCls}-mr {baseCls}-mr {baseCls}-{ui}-mr<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-mr</tpl></tpl>" style="background-position: {mr}; padding-left: {frameWidth}px" role="presentation"></td></tpl>',
                '</tr>',
                '<tpl if="bottom">',
                    '<tr>',
                        '<tpl if="left"><td class="{frameCls}-bl {baseCls}-bl {baseCls}-{ui}-bl<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-bl</tpl></tpl>" style="background-position: {bl}; padding-left: {frameWidth}px" role="presentation"></td></tpl>',
                        '<td class="{frameCls}-bc {baseCls}-bc {baseCls}-{ui}-bc<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-bc</tpl></tpl>" style="background-position: {bc}; height: {frameWidth}px" role="presentation"></td>',
                        '<tpl if="right"><td class="{frameCls}-br {baseCls}-br {baseCls}-{ui}-br<tpl if="uiCls"><tpl for="uiCls"> {parent.baseCls}-{parent.ui}-{.}-br</tpl></tpl>" style="background-position: {br}; padding-left: {frameWidth}px" role="presentation"></td></tpl>',
                    '</tr>',
                '</tpl>',
            '</tbody></table>'
        ],

        /**
         * @private
         */
        initFrame : function() {
            if (Ext.supports.CSS3BorderRadius) {
                return false;
            }

            var me = this,
                frameInfo = me.getFrameInfo(),
                frameWidth = frameInfo.width,
                frameTpl = me.getFrameTpl(frameInfo.table);

            if (me.frame) {
                // Here we render the frameTpl to this component. This inserts the 9point div or the table framing.
                frameTpl.insertFirst(me.el, Ext.apply({}, {
                    ui:         me.ui,
                    uiCls:      me.uiCls,
                    frameCls:   me.frameCls,
                    baseCls:    me.baseCls,
                    frameWidth: frameWidth,
                    top:        !!frameInfo.top,
                    left:       !!frameInfo.left,
                    right:      !!frameInfo.right,
                    bottom:     !!frameInfo.bottom
                }, me.getFramePositions(frameInfo)));

                // The frameBody is returned in getTargetEl, so that layouts render items to the correct target.=
                me.frameBody = me.el.down('.' + me.frameCls + '-mc');

                // Add the render selectors for each of the frame elements
                Ext.apply(me.renderSelectors, {
                    frameTL: '.' + me.baseCls + '-tl',
                    frameTC: '.' + me.baseCls + '-tc',
                    frameTR: '.' + me.baseCls + '-tr',
                    frameML: '.' + me.baseCls + '-ml',
                    frameMC: '.' + me.baseCls + '-mc',
                    frameMR: '.' + me.baseCls + '-mr',
                    frameBL: '.' + me.baseCls + '-bl',
                    frameBC: '.' + me.baseCls + '-bc',
                    frameBR: '.' + me.baseCls + '-br'
                });
            }
        },

        updateFrame: function() {
            if (Ext.supports.CSS3BorderRadius) {
                return false;
            }

            var me = this,
                wasTable = this.frameSize && this.frameSize.table,
                oldFrameTL = this.frameTL,
                oldFrameBL = this.frameBL,
                oldFrameML = this.frameML,
                oldFrameMC = this.frameMC,
                newMCClassName;

            this.initFrame();

            if (oldFrameMC) {
                if (me.frame) {
                    // Reapply render selectors
                    delete me.frameTL;
                    delete me.frameTC;
                    delete me.frameTR;
                    delete me.frameML;
                    delete me.frameMC;
                    delete me.frameMR;
                    delete me.frameBL;
                    delete me.frameBC;
                    delete me.frameBR;
                    this.applyRenderSelectors();

                    // Store the class names set on the new mc
                    newMCClassName = this.frameMC.dom.className;

                    // Replace the new mc with the old mc
                    oldFrameMC.insertAfter(this.frameMC);
                    this.frameMC.remove();

                    // Restore the reference to the old frame mc as the framebody
                    this.frameBody = this.frameMC = oldFrameMC;

                    // Apply the new mc classes to the old mc element
                    oldFrameMC.dom.className = newMCClassName;

                    // Remove the old framing
                    if (wasTable) {
                        me.el.query('> table')[1].remove();
                    }
                    else {
                        if (oldFrameTL) {
                            oldFrameTL.remove();
                        }
                        if (oldFrameBL) {
                            oldFrameBL.remove();
                        }
                        oldFrameML.remove();
                    }
                }
                else {
                    // We were framed but not anymore. Move all content from the old frame to the body

                }
            }
            else if (me.frame) {
                this.applyRenderSelectors();
            }
        },

        getFrameInfo: function() {
            if (Ext.supports.CSS3BorderRadius) {
                return false;
            }

            var me = this,
                left = me.el.getStyle('background-position-x'),
                top = me.el.getStyle('background-position-y'),
                info, frameInfo = false, max;

            // Some browsers dont support background-position-x and y, so for those
            // browsers let's split background-position into two parts.
            if (!left && !top) {
                info = me.el.getStyle('background-position').split(' ');
                left = info[0];
                top = info[1];
            }

            // We actually pass a string in the form of '[type][tl][tr]px [type][br][bl]px' as
            // the background position of this.el from the css to indicate to IE that this component needs
            // framing. We parse it here and change the markup accordingly.
            if (parseInt(left, 10) >= 1000000 && parseInt(top, 10) >= 1000000) {
                max = Math.max;

                frameInfo = {
                    // Table markup starts with 110, div markup with 100.
                    table: left.substr(0, 3) == '110',

                    // Determine if we are dealing with a horizontal or vertical component
                    vertical: top.substr(0, 3) == '110',

                    // Get and parse the different border radius sizes
                    top:    max(left.substr(3, 2), left.substr(5, 2)),
                    right:  max(left.substr(5, 2), top.substr(3, 2)),
                    bottom: max(top.substr(3, 2), top.substr(5, 2)),
                    left:   max(top.substr(5, 2), left.substr(3, 2))
                };

                frameInfo.width = max(frameInfo.top, frameInfo.right, frameInfo.bottom, frameInfo.left);

                // Just to be sure we set the background image of the el to none.
                me.el.setStyle('background-image', 'none');
            }

            // This happens when you set frame: true explicitly without using the x-frame mixin in sass.
            // This way IE can't figure out what sizes to use and thus framing can't work.
            if (me.frame === true && !frameInfo) {
                //<debug error>
                Ext.Error.raise("You have set frame: true explicity on this component while it doesn't have any " +
                                "framing defined in the CSS template. In this case IE can't figure out what sizes " +
                                "to use and thus framing on this component will be disabled.");
                //</debug>
            }

            me.frame = me.frame || !!frameInfo;
            me.frameSize = frameInfo || false;

            return frameInfo;
        },

        getFramePositions: function(frameInfo) {
            var me = this,
                frameWidth = frameInfo.width,
                dock = me.dock,
                positions, tc, bc, ml, mr;

            if (frameInfo.vertical) {
                tc = '0 -' + (frameWidth * 0) + 'px';
                bc = '0 -' + (frameWidth * 1) + 'px';

                if (dock && dock == "right") {
                    tc = 'right -' + (frameWidth * 0) + 'px';
                    bc = 'right -' + (frameWidth * 1) + 'px';
                }

                positions = {
                    tl: '0 -' + (frameWidth * 0) + 'px',
                    tr: '0 -' + (frameWidth * 1) + 'px',
                    bl: '0 -' + (frameWidth * 2) + 'px',
                    br: '0 -' + (frameWidth * 3) + 'px',

                    ml: '-' + (frameWidth * 1) + 'px 0',
                    mr: 'right 0',

                    tc: tc,
                    bc: bc
                };
            } else {
                ml = '-' + (frameWidth * 0) + 'px 0';
                mr = 'right 0';

                if (dock && dock == "bottom") {
                    ml = 'left bottom';
                    mr = 'right bottom';
                }

                positions = {
                    tl: '0 -' + (frameWidth * 2) + 'px',
                    tr: 'right -' + (frameWidth * 3) + 'px',
                    bl: '0 -' + (frameWidth * 4) + 'px',
                    br: 'right -' + (frameWidth * 5) + 'px',

                    ml: ml,
                    mr: mr,

                    tc: '0 -' + (frameWidth * 0) + 'px',
                    bc: '0 -' + (frameWidth * 1) + 'px'
                };
            }

            return positions;
        },

        /**
         * @private
         */
        getFrameTpl : function(table) {
            return table ? this.getTpl('frameTableTpl') : this.getTpl('frameTpl');
        },

        /**
         * <p>Creates an array of class names from the configurations to add to this Component's <code>el</code> on render.</p>
         * <p>Private, but (possibly) used by ComponentQuery for selection by class name if Component is not rendered.</p>
         * @return {Array} An array of class names with which the Component's element will be rendered.
         * @private
         */
        initCls: function() {
            var me = this,
                cls = [];

            cls.push(me.baseCls);

            //<deprecated since=0.99>
            if (Ext.isDefined(me.cmpCls)) {
                if (Ext.isDefined(Ext.global.console)) {
                    Ext.global.console.warn('Ext.Component: cmpCls has been deprecated. Please use componentCls.');
                }
                me.componentCls = me.cmpCls;
                delete me.cmpCls;
            }
            //</deprecated>

            if (me.componentCls) {
                cls.push(me.componentCls);
            } else {
                me.componentCls = me.baseCls;
            }
            if (me.cls) {
                cls.push(me.cls);
                delete me.cls;
            }

            return cls.concat(me.additionalCls);
        },

        /**
         * Sets the UI for the component. This will remove any existing UIs on the component. It will also
         * loop through any uiCls set on the component and rename them so they include the new UI
         * @param {String} ui The new UI for the component
         */
        setUI: function(ui) {
            var me = this,
                oldUICls = Ext.Array.clone(me.uiCls),
                newUICls = [],
                cls,
                i;

            //loop through all exisiting uiCls and update the ui in them
            for (i = 0; i < oldUICls.length; i++) {
                cls = oldUICls[i];

                me.removeClsWithUI(cls);
                newUICls.push(cls);
            }

            //remove the UI from the element
            me.removeUIFromElement();

            //set the UI
            me.ui = ui;

            //add the new UI to the elemend
            me.addUIToElement();

            //loop through all exisiting uiCls and update the ui in them
            for (i = 0; i < newUICls.length; i++) {
                cls = newUICls[i];

                me.addClsWithUI(cls);
            }
        },

        /**
         * Adds a cls to the uiCls array, which will also call {@link #addUIClsToElement} and adds
         * to all elements of this component.
         * @param {String/Array} cls A string or an array of strings to add to the uiCls
         */
        addClsWithUI: function(cls) {
            var me = this,
                i;

            if (!Ext.isArray(cls)) {
                cls = [cls];
            }

            for (i = 0; i < cls.length; i++) {
                if (cls[i] && !me.hasUICls(cls[i])) {
                    me.uiCls = Ext.Array.clone(me.uiCls);
                    me.uiCls.push(cls[i]);
                    me.addUIClsToElement(cls[i]);
                }
            }
        },

        /**
         * Removes a cls to the uiCls array, which will also call {@link #removeUIClsToElement} and removes
         * it from all elements of this component.
         * @param {String/Array} cls A string or an array of strings to remove to the uiCls
         */
        removeClsWithUI: function(cls) {
            var me = this,
                i;

            if (!Ext.isArray(cls)) {
                cls = [cls];
            }

            for (i = 0; i < cls.length; i++) {
                if (cls[i] && me.hasUICls(cls[i])) {
                    me.uiCls = Ext.Array.remove(me.uiCls, cls[i]);
                    me.removeUIClsFromElement(cls[i]);
                }
            }
        },

        /**
         * Checks if there is currently a specified uiCls
         * @param {String} cls The cls to check
         */
        hasUICls: function(cls) {
            var me = this,
                uiCls = me.uiCls || [];

            return Ext.Array.contains(uiCls, cls);
        },

        /**
         * Method which adds a specified UI + uiCls to the components element.
         * Can be overridden to remove the UI from more than just the components element.
         * @param {String} ui The UI to remove from the element
         * @private
         */
        addUIClsToElement: function(cls, force) {
            var me = this;

            me.addCls(Ext.baseCSSPrefix + cls);
            me.addCls(me.baseCls + '-' + cls);
            me.addCls(me.baseCls + '-' + me.ui + '-' + cls);

            if (!force && me.rendered && me.frame && !Ext.supports.CSS3BorderRadius) {
                // define each element of the frame
                var els = ['tl', 'tc', 'tr', 'ml', 'mc', 'mr', 'bl', 'bc', 'br'],
                    i, el;

                // loop through each of them, and if they are defined add the ui
                for (i = 0; i < els.length; i++) {
                    el = me['frame' + els[i].toUpperCase()];

                    if (el && el.dom) {
                        el.addCls(me.baseCls + '-' + me.ui + '-' + els[i]);
                        el.addCls(me.baseCls + '-' + me.ui + '-' + cls + '-' + els[i]);
                    }
                }
            }
        },

        /**
         * Method which removes a specified UI + uiCls from the components element.
         * The cls which is added to the element will be: `this.baseCls + '-' + ui`
         * @param {String} ui The UI to add to the element
         * @private
         */
        removeUIClsFromElement: function(cls, force) {
            var me = this;

            me.removeCls(Ext.baseCSSPrefix + cls);
            me.removeCls(me.baseCls + '-' + cls);
            me.removeCls(me.baseCls + '-' + me.ui + '-' + cls);

            if (!force &&me.rendered && me.frame && !Ext.supports.CSS3BorderRadius) {
                // define each element of the frame
                var els = ['tl', 'tc', 'tr', 'ml', 'mc', 'mr', 'bl', 'bc', 'br'],
                    i, el;

                // loop through each of them, and if they are defined add the ui
                for (i = 0; i < els.length; i++) {
                    el = me['frame' + els[i].toUpperCase()];
                    if (el && el.dom) {
                        el.removeCls(me.baseCls + '-' + me.ui + '-' + cls + '-' + els[i]);
                    }
                }
            }
        },

        /**
         * Method which adds a specified UI to the components element.
         * @private
         */
        addUIToElement: function(force) {
            var me = this;

            me.addCls(me.baseCls + '-' + me.ui);

            if (me.rendered && me.frame && !Ext.supports.CSS3BorderRadius) {
                // define each element of the frame
                var els = ['tl', 'tc', 'tr', 'ml', 'mc', 'mr', 'bl', 'bc', 'br'],
                    i, el;

                // loop through each of them, and if they are defined add the ui
                for (i = 0; i < els.length; i++) {
                    el = me['frame' + els[i].toUpperCase()];

                    if (el) {
                        el.addCls(me.baseCls + '-' + me.ui + '-' + els[i]);
                    }
                }
            }
        },

        /**
         * Method which removes a specified UI from the components element.
         * @private
         */
        removeUIFromElement: function() {
            var me = this;

            me.removeCls(me.baseCls + '-' + me.ui);

            if (me.rendered && me.frame && !Ext.supports.CSS3BorderRadius) {
                // define each element of the frame
                var els = ['tl', 'tc', 'tr', 'ml', 'mc', 'mr', 'bl', 'bc', 'br'],
                    i, el;

                // loop through each of them, and if they are defined add the ui
                for (i = 0; i < els.length; i++) {
                    el = me['frame' + els[i].toUpperCase()];
                    if (el) {
                        el.removeCls(me.baseCls + '-' + me.ui + '-' + els[i]);
                    }
                }
            }
        },

        getElConfig : function() {
            var result = this.autoEl || {tag: 'div'};
            result.id = this.id;
            return result;
        },

        /**
         * This function takes the position argument passed to onRender and returns a
         * DOM element that you can use in the insertBefore.
         * @param {String/Number/Element/HTMLElement} position Index, element id or element you want
         * to put this component before.
         * @return {HTMLElement} DOM element that you can use in the insertBefore
         */
        getInsertPosition: function(position) {
            // Convert the position to an element to insert before
            if (position !== undefined) {
                if (Ext.isNumber(position)) {
                    position = this.container.dom.childNodes[position];
                }
                else {
                    position = Ext.getDom(position);
                }
            }

            return position;
        },

        /**
         * Adds ctCls to container.
         * @return {Ext.core.Element} The initialized container
         * @private
         */
        initContainer: function(container) {
            var me = this;

            // If you render a component specifying the el, we get the container
            // of the el, and make sure we dont move the el around in the dom
            // during the render
            if (!container && me.el) {
                container = me.el.dom.parentNode;
                me.allowDomMove = false;
            }

            me.container = Ext.get(container);

            if (me.ctCls) {
                me.container.addCls(me.ctCls);
            }

            return me.container;
        },

        /**
         * Initialized the renderData to be used when rendering the renderTpl.
         * @return {Object} Object with keys and values that are going to be applied to the renderTpl
         * @private
         */
        initRenderData: function() {
            var me = this;

            return Ext.applyIf(me.renderData, {
                ui: me.ui,
                uiCls: me.uiCls,
                baseCls: me.baseCls,
                componentCls: me.componentCls,
                frame: me.frame
            });
        },

        /**
         * @private
         */
        getTpl: function(name) {
            var prototype = this.self.prototype,
                ownerPrototype;

            if (this.hasOwnProperty(name)) {
                if (!(this[name] instanceof Ext.XTemplate)) {
                    this[name] = Ext.ClassManager.dynInstantiate('Ext.XTemplate', this[name]);
                }

                return this[name];
            }

            if (!(prototype[name] instanceof Ext.XTemplate)) {
                ownerPrototype = prototype;

                do {
                    if (ownerPrototype.hasOwnProperty(name)) {
                        ownerPrototype[name] = Ext.ClassManager.dynInstantiate('Ext.XTemplate', ownerPrototype[name]);
                        break;
                    }

                    ownerPrototype = ownerPrototype.superclass;
                } while (ownerPrototype);
            }

            return prototype[name];
        },

        /**
         * Initializes the renderTpl.
         * @return {Ext.XTemplate} The renderTpl XTemplate instance.
         * @private
         */
        initRenderTpl: function() {
            return this.getTpl('renderTpl');
        },

        /**
         * Function description
         * @return {String} A CSS style string with style, padding, margin and border.
         * @private
         */
        initStyles: function() {
            var style = {},
                me = this,
                Element = Ext.core.Element;

            if (Ext.isString(me.style)) {
                style = Element.parseStyles(me.style);
            } else {
                style = Ext.apply({}, me.style);
            }

            // Convert the padding, margin and border properties from a space seperated string
            // into a proper style string
            if (me.padding !== undefined) {
                style.padding = Element.unitizeBox((me.padding === true) ? 5 : me.padding);
            }

            if (me.margin !== undefined) {
                style.margin = Element.unitizeBox((me.margin === true) ? 5 : me.margin);
            }

            delete me.style;
            return style;
        },

        /**
         * Initializes this components contents. It checks for the properties
         * html, contentEl and tpl/data.
         * @private
         */
        initContent: function() {
            var me = this,
                target = me.getTargetEl(),
                contentEl,
                pre;

            if (me.html) {
                target.update(Ext.core.DomHelper.markup(me.html));
                delete me.html;
            }

            if (me.contentEl) {
                contentEl = Ext.get(me.contentEl);
                pre = Ext.baseCSSPrefix;
                contentEl.removeCls([pre + 'hidden', pre + 'hide-display', pre + 'hide-offsets', pre + 'hide-nosize']);
                target.appendChild(contentEl.dom);
            }

            if (me.tpl) {
                // Make sure this.tpl is an instantiated XTemplate
                if (!me.tpl.isTemplate) {
                    me.tpl = Ext.create('Ext.XTemplate', me.tpl);
                }

                if (me.data) {
                    me.tpl[me.tplWriteMode](target, me.data);
                    delete me.data;
                }
            }
        },

        // @private
        initEvents : function() {
            var me = this,
                afterRenderEvents = me.afterRenderEvents,
                el,
                property,
                fn = function(listeners){
                    me.mon(el, listeners);
                };
            if (afterRenderEvents) {
                for (property in afterRenderEvents) {
                    if (afterRenderEvents.hasOwnProperty(property)) {
                        el = me[property];
                        if (el && el.on) {
                            Ext.each(afterRenderEvents[property], fn);
                        }
                    }
                }
            }
        },

        /**
         * Sets references to elements inside the component. E.g body -> x-panel-body
         * @private
         */
        applyRenderSelectors: function() {
            var selectors = this.renderSelectors || {},
                el = this.el.dom,
                selector;

            for (selector in selectors) {
                if (selectors.hasOwnProperty(selector) && selectors[selector]) {
                    this[selector] = Ext.get(Ext.DomQuery.selectNode(selectors[selector], el));
                }
            }
        },

        /**
         * Tests whether this Component matches the selector string.
         * @param {String} selector The selector string to test against.
         * @return {Boolean} True if this Component matches the selector.
         */
        is: function(selector) {
            return Ext.ComponentQuery.is(this, selector);
        },

        /**
         * <p>Walks up the <code>ownerCt</code> axis looking for an ancestor Container which matches
         * the passed simple selector.</p>
         * <p>Example:<pre><code>
    var owningTabPanel = grid.up('tabpanel');
    </code></pre>
         * @param {String} selector Optional. The simple selector to test.
         * @return {Container} The matching ancestor Container (or <code>undefined</code> if no match was found).
         */
        up: function(selector) {
            var result = this.ownerCt;
            if (selector) {
                for (; result; result = result.ownerCt) {
                    if (Ext.ComponentQuery.is(result, selector)) {
                        return result;
                    }
                }
            }
            return result;
        },

        /**
         * <p>Returns the next sibling of this Component.</p>
         * <p>Optionally selects the next sibling which matches the passed {@link Ext.ComponentQuery ComponentQuery} selector.</p>
         * <p>May also be refered to as <code><b>next()</b></code></p>
         * <p>Note that this is limited to siblings, and if no siblings of the item match, <code>null</code> is returned. Contrast with {@link #nextNode}</p>
         * @param {String} selector Optional A {@link Ext.ComponentQuery ComponentQuery} selector to filter the following items.
         * @returns The next sibling (or the next sibling which matches the selector). Returns null if there is no matching sibling.
         */
        nextSibling: function(selector) {
            var o = this.ownerCt, it, last, idx, c;
            if (o) {
                it = o.items;
                idx = it.indexOf(this) + 1;
                if (idx) {
                    if (selector) {
                        for (last = it.getCount(); idx < last; idx++) {
                            if ((c = it.getAt(idx)).is(selector)) {
                                return c;
                            }
                        }
                    } else {
                        if (idx < it.getCount()) {
                            return it.getAt(idx);
                        }
                    }
                }
            }
            return null;
        },

        /**
         * <p>Returns the previous sibling of this Component.</p>
         * <p>Optionally selects the previous sibling which matches the passed {@link Ext.ComponentQuery ComponentQuery} selector.</p>
         * <p>May also be refered to as <code><b>prev()</b></code></p>
         * <p>Note that this is limited to siblings, and if no siblings of the item match, <code>null</code> is returned. Contrast with {@link #previousNode}</p>
         * @param {String} selector Optional. A {@link Ext.ComponentQuery ComponentQuery} selector to filter the preceding items.
         * @returns The previous sibling (or the previous sibling which matches the selector). Returns null if there is no matching sibling.
         */
        previousSibling: function(selector) {
            var o = this.ownerCt, it, idx, c;
            if (o) {
                it = o.items;
                idx = it.indexOf(this);
                if (idx != -1) {
                    if (selector) {
                        for (--idx; idx >= 0; idx--) {
                            if ((c = it.getAt(idx)).is(selector)) {
                                return c;
                            }
                        }
                    } else {
                        if (idx) {
                            return it.getAt(--idx);
                        }
                    }
                }
            }
            return null;
        },

        /**
         * <p>Returns the previous node in the Component tree in tree traversal order.</p>
         * <p>Note that this is not limited to siblings, and if invoked upon a node with no matching siblings, will
         * walk the tree in reverse order to attempt to find a match. Contrast with {@link #previousSibling}.</p>
         * @param {String} selector Optional. A {@link Ext.ComponentQuery ComponentQuery} selector to filter the preceding nodes.
         * @returns The previous node (or the previous node which matches the selector). Returns null if there is no matching node.
         */
        previousNode: function(selector, includeSelf) {
            var node = this,
                result,
                it, len, i;

            // If asked to include self, test me
            if (includeSelf && node.is(selector)) {
                return node;
            }

            result = this.prev(selector);
            if (result) {
                return result;
            }

            if (node.ownerCt) {
                for (it = node.ownerCt.items.items, i = Ext.Array.indexOf(it, node) - 1; i > -1; i--) {
                    if (it[i].query) {
                        result = it[i].query(selector);
                        result = result[result.length - 1];
                        if (result) {
                            return result;
                        }
                    }
                }
                return node.ownerCt.previousNode(selector, true);
            }
        },

        /**
         * <p>Returns the next node in the Component tree in tree traversal order.</p>
         * <p>Note that this is not limited to siblings, and if invoked upon a node with no matching siblings, will
         * walk the tree to attempt to find a match. Contrast with {@link #pnextSibling}.</p>
         * @param {String} selector Optional A {@link Ext.ComponentQuery ComponentQuery} selector to filter the following nodes.
         * @returns The next node (or the next node which matches the selector). Returns null if there is no matching node.
         */
        nextNode: function(selector, includeSelf) {
            var node = this,
                result,
                it, len, i;

            // If asked to include self, test me
            if (includeSelf && node.is(selector)) {
                return node;
            }

            result = this.next(selector);
            if (result) {
                return result;
            }

            if (node.ownerCt) {
                for (it = node.ownerCt.items, i = it.indexOf(node) + 1, it = it.items, len = it.length; i < len; i++) {
                    if (it[i].down) {
                        result = it[i].down(selector);
                        if (result) {
                            return result;
                        }
                    }
                }
                return node.ownerCt.nextNode(selector);
            }
        },

        /**
         * Retrieves the id of this component.
         * Will autogenerate an id if one has not already been set.
         */
        getId : function() {
            return this.id || (this.id = 'ext-comp-' + (this.getAutoId()));
        },

        getItemId : function() {
            return this.itemId || this.id;
        },

        /**
         * Retrieves the top level element representing this component.
         */
        getEl : function() {
            return this.el;
        },

        /**
         * This is used to determine where to insert the 'html', 'contentEl' and 'items' in this component.
         * @private
         */
        getTargetEl: function() {
            return this.frameBody || this.el;
        },

        /**
         * <p>Tests whether or not this Component is of a specific xtype. This can test whether this Component is descended
         * from the xtype (default) or whether it is directly of the xtype specified (shallow = true).</p>
         * <p><b>If using your own subclasses, be aware that a Component must register its own xtype
         * to participate in determination of inherited xtypes.</b></p>
         * <p>For a list of all available xtypes, see the {@link Ext.Component} header.</p>
         * <p>Example usage:</p>
         * <pre><code>
    var t = new Ext.form.field.Text();
    var isText = t.isXType('textfield');        // true
    var isBoxSubclass = t.isXType('field');       // true, descended from Ext.form.field.Base
    var isBoxInstance = t.isXType('field', true); // false, not a direct Ext.form.field.Base instance
    </code></pre>
         * @param {String} xtype The xtype to check for this Component
         * @param {Boolean} shallow (optional) False to check whether this Component is descended from the xtype (this is
         * the default), or true to check whether this Component is directly of the specified xtype.
         * @return {Boolean} True if this component descends from the specified xtype, false otherwise.
         */
        isXType: function(xtype, shallow) {
            //assume a string by default
            if (Ext.isFunction(xtype)) {
                xtype = xtype.xtype;
                //handle being passed the class, e.g. Ext.Component
            } else if (Ext.isObject(xtype)) {
                xtype = xtype.statics().xtype;
                //handle being passed an instance
            }

            return !shallow ? ('/' + this.getXTypes() + '/').indexOf('/' + xtype + '/') != -1: this.self.xtype == xtype;
        },

        /**
         * <p>Returns this Component's xtype hierarchy as a slash-delimited string. For a list of all
         * available xtypes, see the {@link Ext.Component} header.</p>
         * <p><b>If using your own subclasses, be aware that a Component must register its own xtype
         * to participate in determination of inherited xtypes.</b></p>
         * <p>Example usage:</p>
         * <pre><code>
    var t = new Ext.form.field.Text();
    alert(t.getXTypes());  // alerts 'component/field/textfield'
    </code></pre>
         * @return {String} The xtype hierarchy string
         */
        getXTypes: function() {
            var self = this.self,
                xtypes      = [],
                parentPrototype  = this,
                xtype;

            if (!self.xtypes) {
                while (parentPrototype && Ext.getClass(parentPrototype)) {
                    xtype = Ext.getClass(parentPrototype).xtype;

                    if (xtype !== undefined) {
                        xtypes.unshift(xtype);
                    }

                    parentPrototype = parentPrototype.superclass;
                }

                self.xtypeChain = xtypes;
                self.xtypes = xtypes.join('/');
            }

            return self.xtypes;
        },

        /**
         * Update the content area of a component.
         * @param {Mixed} htmlOrData
         * If this component has been configured with a template via the tpl config
         * then it will use this argument as data to populate the template.
         * If this component was not configured with a template, the components
         * content area will be updated via Ext.core.Element update
         * @param {Boolean} loadScripts
         * (optional) Only legitimate when using the html configuration. Defaults to false
         * @param {Function} callback
         * (optional) Only legitimate when using the html configuration. Callback to execute when scripts have finished loading
         */
        update : function(htmlOrData, loadScripts, cb) {
            var me = this;

            if (me.tpl && !Ext.isString(htmlOrData)) {
                me.data = htmlOrData;
                if (me.rendered) {
                    me.tpl[me.tplWriteMode](me.getTargetEl(), htmlOrData || {});
                }
            } else {
                me.html = Ext.isObject(htmlOrData) ? Ext.core.DomHelper.markup(htmlOrData) : htmlOrData;
                if (me.rendered) {
                    me.getTargetEl().update(me.html, loadScripts, cb);
                }
            }

            if (me.rendered) {
                me.doComponentLayout();
            }
        },

        /**
         * Convenience function to hide or show this component by boolean.
         * @param {Boolean} visible True to show, false to hide
         * @return {Ext.Component} this
         */
        setVisible : function(visible) {
            return this[visible ? 'show': 'hide']();
        },

        /**
         * Returns true if this component is visible.
         * @param {Boolean} deep. <p>Optional. Pass <code>true</code> to interrogate the visibility status of all
         * parent Containers to determine whether this Component is truly visible to the user.</p>
         * <p>Generally, to determine whether a Component is hidden, the no argument form is needed. For example
         * when creating dynamically laid out UIs in a hidden Container before showing them.</p>
         * @return {Boolean} True if this component is visible, false otherwise.
         */
        isVisible: function(deep) {
            var me = this,
                child = me,
                visible = !me.hidden,
                ancestor = me.ownerCt;

            // Clear hiddenOwnerCt property
            me.hiddenAncestor = false;
            if (me.destroyed) {
                return false;
            }

            if (deep && visible && me.rendered && ancestor) {
                while (ancestor) {
                    // If any ancestor is hidden, then this is hidden.
                    // If an ancestor Panel (only Panels have a collapse method) is collapsed,
                    // then its layoutTarget (body) is hidden, so this is hidden unless its within a
                    // docked item; they are still visible when collapsed (Unless they themseves are hidden)
                    if (ancestor.hidden || (ancestor.collapsed &&
                            !(ancestor.getDockedItems && Ext.Array.contains(ancestor.getDockedItems(), child)))) {
                        // Store hiddenOwnerCt property if needed
                        me.hiddenAncestor = ancestor;
                        visible = false;
                        break;
                    }
                    child = ancestor;
                    ancestor = ancestor.ownerCt;
                }
            }
            return visible;
        },

        /**
         * Enable the component
         * @param {Boolean} silent
         * Passing false will supress the 'enable' event from being fired.
         */
        enable: function(silent) {
            var me = this;

            if (me.rendered) {
                me.el.removeCls(me.disabledCls);
                me.el.dom.disabled = false;
                me.onEnable();
            }

            me.disabled = false;

            if (silent !== true) {
                me.fireEvent('enable', me);
            }

            return me;
        },

        /**
         * Disable the component.
         * @param {Boolean} silent
         * Passing true, will supress the 'disable' event from being fired.
         */
        disable: function(silent) {
            var me = this;

            if (me.rendered) {
                me.el.addCls(me.disabledCls);
                me.el.dom.disabled = true;
                me.onDisable();
            }

            me.disabled = true;

            if (silent !== true) {
                me.fireEvent('disable', me);
            }

            return me;
        },

        // @private
        onEnable: function() {
            if (this.maskOnDisable) {
                this.el.unmask();
            }
        },

        // @private
        onDisable : function() {
            if (this.maskOnDisable) {
                this.el.mask();
            }
        },

        /**
         * Method to determine whether this Component is currently disabled.
         * @return {Boolean} the disabled state of this Component.
         */
        isDisabled : function() {
            return this.disabled;
        },

        /**
         * Enable or disable the component.
         * @param {Boolean} disabled
         */
        setDisabled : function(disabled) {
            return this[disabled ? 'disable': 'enable']();
        },

        /**
         * Method to determine whether this Component is currently set to hidden.
         * @return {Boolean} the hidden state of this Component.
         */
        isHidden : function() {
            return this.hidden;
        },

        /**
         * Adds a CSS class to the top level element representing this component.
         * @param {String} cls The CSS class name to add
         * @return {Ext.Component} Returns the Component to allow method chaining.
         */
        addCls : function(className) {
            var me = this;
            if (!className) {
                return me;
            }
            if (!Ext.isArray(className)){
                className = className.replace(me.trimRe, '').split(me.spacesRe);
            }
            if (me.rendered) {
                me.el.addCls(className);
            }
            else {
                me.additionalCls = Ext.Array.unique(me.additionalCls.concat(className));
            }
            return me;
        },

        /**
         * @deprecated 4.0 Replaced by {@link #addCls}
         * Adds a CSS class to the top level element representing this component.
         * @param {String} cls The CSS class name to add
         * @return {Ext.Component} Returns the Component to allow method chaining.
         */
        addClass : function() {
            return this.addCls.apply(this, arguments);
        },

        /**
         * Removes a CSS class from the top level element representing this component.
         * @returns {Ext.Component} Returns the Component to allow method chaining.
         */
        removeCls : function(className) {
            var me = this;

            if (!className) {
                return me;
            }
            if (!Ext.isArray(className)){
                className = className.replace(me.trimRe, '').split(me.spacesRe);
            }
            if (me.rendered) {
                me.el.removeCls(className);
            }
            else if (me.additionalCls.length) {
                Ext.each(className, function(cls) {
                    Ext.Array.remove(me.additionalCls, cls);
                });
            }
            return me;
        },

        //<debug>
        removeClass : function() {
            if (Ext.isDefined(Ext.global.console)) {
                Ext.global.console.warn('Ext.Component: removeClass has been deprecated. Please use removeCls.');
            }
            return this.removeCls.apply(this, arguments);
        },
        //</debug>

        addOverCls: function() {
            var me = this;
            if (!me.disabled) {
                me.el.addCls(me.overCls);
            }
        },

        removeOverCls: function() {
            this.el.removeCls(this.overCls);
        },

        addListener : function(element, listeners, scope, options) {
            var me = this,
                fn,
                option;

            if (Ext.isString(element) && (Ext.isObject(listeners) || options && options.element)) {
                if (options.element) {
                    fn = listeners;

                    listeners = {};
                    listeners[element] = fn;
                    element = options.element;
                    if (scope) {
                        listeners.scope = scope;
                    }

                    for (option in options) {
                        if (options.hasOwnProperty(option)) {
                            if (me.eventOptionsRe.test(option)) {
                                listeners[option] = options[option];
                            }
                        }
                    }
                }

                // At this point we have a variable called element,
                // and a listeners object that can be passed to on
                if (me[element] && me[element].on) {
                    me.mon(me[element], listeners);
                } else {
                    me.afterRenderEvents = me.afterRenderEvents || {};
                    if (!me.afterRenderEvents[element]) {
                        me.afterRenderEvents[element] = [];
                    }
                    me.afterRenderEvents[element].push(listeners);
                }
            }

            return me.mixins.observable.addListener.apply(me, arguments);
        },

        // inherit docs
        removeManagedListenerItem: function(isClear, managedListener, item, ename, fn, scope){
            var me = this,
                element = managedListener.options ? managedListener.options.element : null;

            if (element) {
                element = me[element];
                if (element && element.un) {
                    if (isClear || (managedListener.item === item && managedListener.ename === ename && (!fn || managedListener.fn === fn) && (!scope || managedListener.scope === scope))) {
                        element.un(managedListener.ename, managedListener.fn, managedListener.scope);
                        if (!isClear) {
                            Ext.Array.remove(me.managedListeners, managedListener);
                        }
                    }
                }
            } else {
                return me.mixins.observable.removeManagedListenerItem.apply(me, arguments);
            }
        },

        /**
         * Provides the link for Observable's fireEvent method to bubble up the ownership hierarchy.
         * @return {Ext.container.Container} the Container which owns this Component.
         */
        getBubbleTarget : function() {
            return this.ownerCt;
        },

        /**
         * Method to determine whether this Component is floating.
         * @return {Boolean} the floating state of this component.
         */
        isFloating : function() {
            return this.floating;
        },

        /**
         * Method to determine whether this Component is draggable.
         * @return {Boolean} the draggable state of this component.
         */
        isDraggable : function() {
            return !!this.draggable;
        },

        /**
         * Method to determine whether this Component is droppable.
         * @return {Boolean} the droppable state of this component.
         */
        isDroppable : function() {
            return !!this.droppable;
        },

        /**
         * @private
         * Method to manage awareness of when components are added to their
         * respective Container, firing an added event.
         * References are established at add time rather than at render time.
         * @param {Ext.container.Container} container Container which holds the component
         * @param {number} pos Position at which the component was added
         */
        onAdded : function(container, pos) {
            this.ownerCt = container;
            this.fireEvent('added', this, container, pos);
        },

        /**
         * @private
         * Method to manage awareness of when components are removed from their
         * respective Container, firing an removed event. References are properly
         * cleaned up after removing a component from its owning container.
         */
        onRemoved : function() {
            var me = this;

            me.fireEvent('removed', me, me.ownerCt);
            delete me.ownerCt;
        },

        // @private
        beforeDestroy : Ext.emptyFn,
        // @private
        // @private
        onResize : Ext.emptyFn,

        /**
         * Sets the width and height of this Component. This method fires the {@link #resize} event. This method can accept
         * either width and height as separate arguments, or you can pass a size object like <code>{width:10, height:20}</code>.
         * @param {Mixed} width The new width to set. This may be one of:<div class="mdetail-params"><ul>
         * <li>A Number specifying the new width in the {@link #getEl Element}'s {@link Ext.core.Element#defaultUnit}s (by default, pixels).</li>
         * <li>A String used to set the CSS width style.</li>
         * <li>A size object in the format <code>{width: widthValue, height: heightValue}</code>.</li>
         * <li><code>undefined</code> to leave the width unchanged.</li>
         * </ul></div>
         * @param {Mixed} height The new height to set (not required if a size object is passed as the first arg).
         * This may be one of:<div class="mdetail-params"><ul>
         * <li>A Number specifying the new height in the {@link #getEl Element}'s {@link Ext.core.Element#defaultUnit}s (by default, pixels).</li>
         * <li>A String used to set the CSS height style. Animation may <b>not</b> be used.</li>
         * <li><code>undefined</code> to leave the height unchanged.</li>
         * </ul></div>
         * @return {Ext.Component} this
         */
        setSize : function(width, height) {
            var me = this,
                layoutCollection;

            // support for standard size objects
            if (Ext.isObject(width)) {
                height = width.height;
                width  = width.width;
            }

            // Constrain within configured maxima
            if (Ext.isNumber(width)) {
                width = Ext.Number.constrain(width, me.minWidth, me.maxWidth);
            }
            if (Ext.isNumber(height)) {
                height = Ext.Number.constrain(height, me.minHeight, me.maxHeight);
            }

            if (!me.rendered || !me.isVisible()) {
                // If an ownerCt is hidden, add my reference onto the layoutOnShow stack.  Set the needsLayout flag.
                if (me.hiddenAncestor) {
                    layoutCollection = me.hiddenAncestor.layoutOnShow;
                    layoutCollection.remove(me);
                    layoutCollection.add(me);
                }
                me.needsLayout = {
                    width: width,
                    height: height,
                    isSetSize: true
                };
                if (!me.rendered) {
                    me.width  = (width !== undefined) ? width : me.width;
                    me.height = (height !== undefined) ? height : me.height;
                }
                return me;
            }
            me.doComponentLayout(width, height, true);

            return me;
        },

        setCalculatedSize : function(width, height, ownerCt) {
            var me = this,
                layoutCollection;

            // support for standard size objects
            if (Ext.isObject(width)) {
                ownerCt = width.ownerCt;
                height = width.height;
                width  = width.width;
            }

            // Constrain within configured maxima
            if (Ext.isNumber(width)) {
                width = Ext.Number.constrain(width, me.minWidth, me.maxWidth);
            }
            if (Ext.isNumber(height)) {
                height = Ext.Number.constrain(height, me.minHeight, me.maxHeight);
            }

            if (!me.rendered || !me.isVisible()) {
                // If an ownerCt is hidden, add my reference onto the layoutOnShow stack.  Set the needsLayout flag.
                if (me.hiddenAncestor) {
                    layoutCollection = me.hiddenAncestor.layoutOnShow;
                    layoutCollection.remove(me);
                    layoutCollection.add(me);
                }
                me.needsLayout = {
                    width: width,
                    height: height,
                    isSetSize: false,
                    ownerCt: ownerCt
                };
                return me;
            }
            me.doComponentLayout(width, height, false, ownerCt);

            return me;
        },

        /**
         * This method needs to be called whenever you change something on this component that requires the Component's
         * layout to be recalculated.
         * @return {Ext.container.Container} this
         */
        doComponentLayout : function(width, height, isSetSize, ownerCt) {
            var me = this,
                componentLayout = me.getComponentLayout();

            // collapsed state is not relevant here, so no testing done.
            // Only Panels have a collapse method, and that just sets the width/height such that only
            // a single docked Header parallel to the collapseTo side are visible, and the Panel body is hidden.
            if (me.rendered && componentLayout) {
                width = (width !== undefined) ? width : me.width;
                height = (height !== undefined) ? height : me.height;
                if (isSetSize) {
                    me.width = width;
                    me.height = height;
                }

                componentLayout.layout(width, height, isSetSize, ownerCt);
            }
            return me;
        },

        // @private
        setComponentLayout : function(layout) {
            var currentLayout = this.componentLayout;
            if (currentLayout && currentLayout.isLayout && currentLayout != layout) {
                currentLayout.setOwner(null);
            }
            this.componentLayout = layout;
            layout.setOwner(this);
        },

        getComponentLayout : function() {
            var me = this;

            if (!me.componentLayout || !me.componentLayout.isLayout) {
                me.setComponentLayout(Ext.layout.Layout.create(me.componentLayout, 'autocomponent'));
            }
            return me.componentLayout;
        },

        /**
         * @param {Number} adjWidth The box-adjusted width that was set
         * @param {Number} adjHeight The box-adjusted height that was set
         * @param {Boolean} isSetSize Whether or not the height/width are stored on the component permanently
         * @param {Ext.Component} layoutOwner Component which sent the layout. Only used when isSetSize is false.
         */
        afterComponentLayout: function(width, height, isSetSize, layoutOwner) {
            this.fireEvent('resize', this, width, height);
        },

        /**
         * Occurs before componentLayout is run. Returning false from this method will prevent the componentLayout
         * from being executed.
         * @param {Number} adjWidth The box-adjusted width that was set
         * @param {Number} adjHeight The box-adjusted height that was set
         * @param {Boolean} isSetSize Whether or not the height/width are stored on the component permanently
         * @param {Ext.Component} layoutOwner Component which sent the layout. Only used when isSetSize is false.
         */
        beforeComponentLayout: function(width, height, isSetSize, layoutOwner) {
            return true;
        },

        /**
         * Sets the left and top of the component.  To set the page XY position instead, use {@link #setPagePosition}.
         * This method fires the {@link #move} event.
         * @param {Number} left The new left
         * @param {Number} top The new top
         * @return {Ext.Component} this
         */
        setPosition : function(x, y) {
            var me = this;

            if (Ext.isObject(x)) {
                y = x.y;
                x = x.x;
            }

            if (!me.rendered) {
                return me;
            }

            if (x !== undefined || y !== undefined) {
                me.el.setBox(x, y);
                me.onPosition(x, y);
                me.fireEvent('move', me, x, y);
            }
            return me;
        },

        /* @private
         * Called after the component is moved, this method is empty by default but can be implemented by any
         * subclass that needs to perform custom logic after a move occurs.
         * @param {Number} x The new x position
         * @param {Number} y The new y position
         */
        onPosition: Ext.emptyFn,

        /**
         * Sets the width of the component.  This method fires the {@link #resize} event.
         * @param {Number} width The new width to setThis may be one of:<div class="mdetail-params"><ul>
         * <li>A Number specifying the new width in the {@link #getEl Element}'s {@link Ext.core.Element#defaultUnit}s (by default, pixels).</li>
         * <li>A String used to set the CSS width style.</li>
         * </ul></div>
         * @return {Ext.Component} this
         */
        setWidth : function(width) {
            return this.setSize(width);
        },

        /**
         * Sets the height of the component.  This method fires the {@link #resize} event.
         * @param {Number} height The new height to set. This may be one of:<div class="mdetail-params"><ul>
         * <li>A Number specifying the new height in the {@link #getEl Element}'s {@link Ext.core.Element#defaultUnit}s (by default, pixels).</li>
         * <li>A String used to set the CSS height style.</li>
         * <li><i>undefined</i> to leave the height unchanged.</li>
         * </ul></div>
         * @return {Ext.Component} this
         */
        setHeight : function(height) {
            return this.setSize(undefined, height);
        },

        /**
         * Gets the current size of the component's underlying element.
         * @return {Object} An object containing the element's size {width: (element width), height: (element height)}
         */
        getSize : function() {
            return this.el.getSize();
        },

        /**
         * Gets the current width of the component's underlying element.
         * @return {Number}
         */
        getWidth : function() {
            return this.el.getWidth();
        },

        /**
         * Gets the current height of the component's underlying element.
         * @return {Number}
         */
        getHeight : function() {
            return this.el.getHeight();
        },

        /**
         * Gets the {@link Ext.ComponentLoader} for this Component.
         * @return {Ext.ComponentLoader} The loader instance, null if it doesn't exist.
         */
        getLoader: function(){
            var me = this,
                autoLoad = me.autoLoad ? (Ext.isObject(me.autoLoad) ? me.autoLoad : {url: me.autoLoad}) : null,
                loader = me.loader || autoLoad;

            if (loader) {
                if (!loader.isLoader) {
                    me.loader = Ext.create('Ext.ComponentLoader', Ext.apply({
                        target: me,
                        autoLoad: autoLoad
                    }, loader));
                } else {
                    loader.setTarget(me);
                }
                return me.loader;

            }
            return null;
        },

        /**
         * This method allows you to show or hide a LoadMask on top of this component.
         * @param {Boolean/Object/String} load True to show the default LoadMask, a config object
         * that will be passed to the LoadMask constructor, or a message String to show. False to
         * hide the current LoadMask.
         * @param {Boolean} targetEl True to mask the targetEl of this Component instead of the this.el.
         * For example, setting this to true on a Panel will cause only the body to be masked. (defaults to false)
         * @return {Ext.LoadMask} The LoadMask instance that has just been shown.
         */
        setLoading : function(load, targetEl) {
            var me = this,
                config;

            if (me.rendered) {
                if (load !== false && !me.collapsed) {
                    if (Ext.isObject(load)) {
                        config = load;
                    }
                    else if (Ext.isString(load)) {
                        config = {msg: load};
                    }
                    else {
                        config = {};
                    }
                    me.loadMask = me.loadMask || Ext.create('Ext.LoadMask', targetEl ? me.getTargetEl() : me.el, config);
                    me.loadMask.show();
                } else if (me.loadMask) {
                    Ext.destroy(me.loadMask);
                    me.loadMask = null;
                }
            }

            return me.loadMask;
        },

        /**
         * Sets the dock position of this component in its parent panel. Note that
         * this only has effect if this item is part of the dockedItems collection
         * of a parent that has a DockLayout (note that any Panel has a DockLayout
         * by default)
         * @return {Component} this
         */
        setDocked : function(dock, layoutParent) {
            var me = this;

            me.dock = dock;
            if (layoutParent && me.ownerCt && me.rendered) {
                me.ownerCt.doComponentLayout();
            }
            return me;
        },

        onDestroy : function() {
            var me = this;

            if (me.monitorResize && Ext.EventManager.resizeEvent) {
                Ext.EventManager.resizeEvent.removeListener(me.setSize, me);
            }
            Ext.destroy(me.componentLayout, me.loadMask);
        },

        /**
         * Destroys the Component.
         */
        destroy : function() {
            var me = this;

            if (!me.isDestroyed) {
                if (me.fireEvent('beforedestroy', me) !== false) {
                    me.destroying = true;
                    me.beforeDestroy();

                    if (me.floating) {
                        delete me.floatParent;
                        // A zIndexManager is stamped into a *floating* Component when it is added to a Container.
                        // If it has no zIndexManager at render time, it is assigned to the global Ext.WindowManager instance.
                        if (me.zIndexManager) {
                            me.zIndexManager.unregister(me);
                        }
                    } else if (me.ownerCt && me.ownerCt.remove) {
                        me.ownerCt.remove(me, false);
                    }

                    if (me.rendered) {
                        me.el.remove();
                    }

                    me.onDestroy();

                    // Attempt to destroy all plugins
                    Ext.destroy(me.plugins);

                    Ext.ComponentManager.unregister(me);
                    me.fireEvent('destroy', me);

                    me.mixins.state.destroy.call(me);

                    me.clearListeners();
                    me.destroying = false;
                    me.isDestroyed = true;
                }
            }
        },

        /**
         * Retrieves a plugin by its pluginId which has been bound to this
         * component.
         * @returns {Ext.AbstractPlugin} pluginInstance
         */
        getPlugin: function(pluginId) {
            var i = 0,
                plugins = this.plugins,
                ln = plugins.length;
            for (; i < ln; i++) {
                if (plugins[i].pluginId === pluginId) {
                    return plugins[i];
                }
            }
        },

        /**
         * Determines whether this component is the descendant of a particular container.
         * @param {Ext.Container} container
         * @returns {Boolean} isDescendant
         */
        isDescendantOf: function(container) {
            return !!this.findParentBy(function(p){
                return p === container;
            });
        }
    }, function() {
        this.createAlias({
            on: 'addListener',
            prev: 'previousSibling',
            next: 'nextSibling'
        });
    });