    /**
     * @private
     * @class Ext.layout.component.field.TextArea
     * @extends Ext.layout.component.field.Field
     * Layout class for {@link Ext.form.field.TextArea} fields. Handles sizing the textarea field.
     */
    Ext.define('Ext.layout.component.field.TextArea', {
        extend: 'Ext.layout.component.field.Text',
        alias: 'layout.textareafield',

        type: 'textareafield',

        /**
         * Given the target bodyEl dimensions, adjust them if necessary to return the correct final
         * size based on the text field's {@link Ext.form.field.Text#grow grow config}. Overrides the
         * textfield layout's implementation to handle height rather than width.
         * @param {Number} width The bodyEl width
         * @param {Number} height The bodyEl height
         * @return {Array} [inputElWidth, inputElHeight]
         */
        adjustForGrow: function(width, height) {
            var me = this,
                owner = me.owner,
                inputEl, value, max,
                curWidth, curHeight, calcHeight,
                result = [width, height];

            if (owner.grow) {
                inputEl = owner.inputEl;
                curWidth = inputEl.getWidth(true); //subtract border/padding to get the available width for the text
                curHeight = inputEl.getHeight();

                // Get and normalize the field value for measurement
                value = inputEl.dom.value || '&#160;';
                value += owner.growAppend;

                // Translate newlines to <br> tags
                value = value.replace(/\n/g, '<br>');

                // Find the height that contains the whole text value
                calcHeight = Ext.util.TextMetrics.measure(inputEl, value, curWidth).height +
                             inputEl.getBorderWidth("tb") + inputEl.getPadding("tb");

                // Constrain
                max = owner.growMax;
                if (Ext.isNumber(height)) {
                    max = Math.min(max, height);
                }
                result[1] = Ext.Number.constrain(calcHeight, owner.growMin, max);
            }

            return result;
        }

    });