/****************************************************************************
**
** Copyright (C) 2000-2006 Frank Hemer <frank@hemer.org>,
**                         Tilo Riemer <riemer@crossvc.com>,
**                         Wim Delvaux <wim.delvaux@chello.be>,
**                         Jose Hernandez <joseh@tesco.net>
**
**
**----------------------------------------------------------------------------
**
**----------------------------------------------------------------------------
**
** CrossVC is available under two different licenses:
**
** If CrossVC is linked against the GPLed version of Qt 
** CrossVC is released under the terms of GPL also.
**
** If CrossVC is linked against a nonGPLed version of Qt 
** CrossVC is released under the terms of the 
** CrossVC License for non-Unix platforms (CLNU)
**
**
** CrossVC License for non-Unix platforms (CLNU):
**
** Redistribution and use in binary form, without modification, 
** are permitted provided that the following conditions are met:
**
** 1. Redistributions in binary form must reproduce the above copyright
**    notice, this list of conditions and the following disclaimer in the
**    documentation and/or other materials provided with the distribution.
** 2. It is not permitted to distribute the binary package under a name
**    different than CrossVC.
** 3. The name of the authors may not be used to endorse or promote
**    products derived from this software without specific prior written
**    permission.
** 4. The source code is the creative property of the authors.
**    Extensions and development under the terms of the Gnu Public License
**    are limited to the Unix platform. Any distribution or compilation of 
**    the source code against libraries licensed other than gpl requires 
**    the written permission of the authors.
**
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR 
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
** ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 
** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
** GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
** NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
**
**
** CrossVC License for Unix platforms:
**
** This program is free software; you can redistribute it and/or modify 
** it under the terms of the GNU General Public License as published by 
** the Free Software Foundation, version 2 of the License.
** This program is distributed in 
** the hope that it will be useful, but WITHOUT ANY WARRANTY; without 
** even the implied warranty of MERCHANTABILITY or FITNESS FOR A 
** PARTICULAR PURPOSE.
**
** See the GNU General Public License version 2 for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation,
** Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
*****************************************************************************/

#ifndef LOGTREE_H_20010626
#define LOGTREE_H_20010626

#include "config.h"

#include <qcolor.h>
#include <qdatetime.h>
#include <qptrlist.h>

#include "qttableview.h"

// Forward declarations
class TipLabel;


class LogTreeView : public QtTableView
{
   Q_OBJECT

 public:

   class LogTreeItem {
   public:
      LogTreeItem();
      LogTreeItem(QString,
	    QString,
	    QString,
	    QString,
	    QString,
	    QString,
	    QString,
	    QString,
	    QString,
	    QString,
	    QString,
	    QString,
	    QString,
	    QString,
	    QString,
	    QString);
      ~LogTreeItem();
	    
      QString file;
      QString rev;
      QString locked;
      QString authorLocked;
      QString date;
      QString author;
      QString state;
      QString lines;
      QString kopt;
      QString commitid;
      QString mergepoint;
      QString filename;
      QString comment;
      QString branch;
      QString tagcomment;
      QString BranchTagList;
      QString RegularTagList;
      QString branchpoint;
      bool firstonbranch;
      bool followed;
      bool branched;
      int row;
      int col;
      int tree;
      bool selected;
      unsigned char selection;
   };

   class LogTreeConnection {
   public:
      LogTreeItem *start;
      LogTreeItem *end;
   };

   class ItemList : public QPtrList<LogTreeItem> {
   public:
      ItemList();
      ~ItemList();
   protected:
      virtual int compareItems ( QPtrCollection::Item, QPtrCollection::Item);
   };

   typedef struct {
      int col;
      int row;
   } Focus;

   LogTreeView (QWidget *parent=0, const char *name=0, WFlags f=0);
   ~LogTreeView();

   void addRevision( LogTreeItem*);
   void addRevisionList(ItemList &);

   void setSelectedPair(int, int, QString &, QString &);
   void setSelectionColor (const unsigned char, const QColor &);
   QColor getSelectionColor (const unsigned char) const;

   void nextFile();
   void zoom(int);
   void recomputeCellSizes();
   void scrollDown();
        
   virtual QSize sizeHint() const;
   void lookupTip(const QPoint &, QRect *, QString *);

 protected:
   void wheelEvent( QWheelEvent *);
   void keyPressEvent ( QKeyEvent *);

 signals:
   void revisionDblClicked (LogTreeView::LogTreeItem *);
   void revisionClicked(LogTreeView::LogTreeItem *, bool);

 public slots:
   void scrollValueChanged(int);
   void toggleBranchTags (bool);
   void toggleRegularTags (bool);
   void zoomIn();
   void zoomOut();

 protected:
   virtual void mouseDoubleClickEvent (QMouseEvent *);
   virtual void mousePressEvent(QMouseEvent *);
   virtual void setupPainter(QPainter *);
   virtual void paintEvent(QPaintEvent *);
   virtual void paintCell(QPainter *, int, int);
   virtual int cellWidth(int);
   virtual int cellHeight(int);
    
 private:

   void paintRevisionCell (QPainter *, LogTreeView::LogTreeItem *, bool, bool);
   void paintConnector (QPainter *, int, int, bool, bool);
   QString findCollision (int, int) const;
   void shiftBranch (QString branch);
   void shiftAll(int);
   void shiftCurrent(int);
   unsigned int treeForCol(int);
   void collectConnections();
   QRect cellPos(int,int);
   void moveFocus(int,int);

   QString escapeHtmlTags(const QString &);

   QFontMetrics *m_pFM;
   QFont m_Font;

   QValueList<int> treeList;

   QPtrList<LogTreeItem> * currentItems;
   QPtrList<LogTreeConnection> * currentConnections;

   QPtrList< QPtrList<LogTreeItem> > itemFileList;
   QPtrList< QPtrList<LogTreeConnection> > connectionFileList;

   int currentRow, currentCol, currentTree, insertRow, startCol;
   bool newFile;
   int trunkRev;
   int rowOffset;
   int lastRevNum;

   QArray<int> colWidths;
   QArray<int> rowHeights;

   static QColor SelColor [2];
   bool bEnableBranchTags;
   bool bEnableRegularTags;

   Focus focus;
};

#endif //LOGTREE_H_20010626

