F:/KPlato/koffice/kplato/kptganttview.h

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/* This file is part of the KDE project
  Copyright (C) 2005 Dag Andersen <danders@get2net.dk>
  Copyright (C) 2006 Raphael Langerhorst <raphael.langerhorst@kdemail.net>

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation;
  version 2 of the License, or (at your option) any later version.

  This library 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
  Library General Public License for more details.

  You should have received a copy of the GNU Library General Public License
  along with this library; see the file COPYING.LIB.  If not, write to
  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/

#ifndef KPTGANTTVIEW_H
#define KPTGANTTVIEW_H

#include "kptview.h"
#include "kptcontext.h"

#include <KDGanttViewItem.h>

#include <QList>

class QLayout;
class Q3ListViewItem;
class QPoint;
class Q3ListView;
class QLineEdit;
class QSpinBox;
class QSplitter;

class KDGanttViewSummaryItem;
class KDGanttViewTaskItem;
class KDGanttViewEventItem;
class KDGanttViewTaskLink;

class KAction;
class KPrinter;

namespace KPlato
{

class MyKDGanttView;
class TaskAppointmentsView;

class Node;
class Task;
class Project;
class Relation;

class GanttView : public ViewBase
{
    Q_OBJECT

public:

    GanttView( QWidget *parent, bool readWrite = true, const char* name = 0 );

    //~GanttView();

    virtual void setZoom( double zoom );
    void show();
    virtual void draw( Project &project );
    virtual void drawChanges();
    virtual void drawChanges( Project &project );

    void drawOnPainter( QPainter* painter, const QRect rect );

    Node *currentNode() const;

    void clear();
    void print( KPrinter &prts );

    void addTaskLink( KDGanttViewTaskLink *link );

    bool exportGantt( QIODevice* device ); // testing

    virtual bool setContext( Context::Ganttview &context, Project &project );
    virtual void getContext( Context::Ganttview &context ) const;

    void setReadWriteMode( bool on );
    bool isReadWriteMode() const { return m_readWrite; }
    KDGanttViewItem *currentItem() const { return m_currentItem; }

    bool showNoInformation() const { return m_showNoInformation; }

signals:
    void enableActions( bool );
    void modifyRelation( Relation *rel ) ;
    void addRelation( Node *par, Node *child );
    void modifyRelation( Relation *rel, int linkType ) ;
    void addRelation( Node *par, Node *child, int linkType );
    void itemDoubleClicked();

    void itemRenamed( Node*, const QString& );

    void requestPopupMenu( const QString& menuname, const QPoint & pos );

public slots:
    void popupMenuRequested( KDGanttViewItem * item, const QPoint & pos, int );

    void setShowExpected( bool on ) { m_showExpected = on; }
    void setShowOptimistic( bool on ) { m_showOptimistic = on; }
    void setShowPessimistic( bool on ) { m_showPessimistic = on; }
    void setShowResources( bool on ) { m_showResources = on; }
    void setShowTaskName( bool on ) { m_showTaskName = on; }
    void setShowTaskLinks( bool on );
    void setShowProgress( bool on ) { m_showProgress = on; }
    void setShowPositiveFloat( bool on ) { m_showPositiveFloat = on; }
    void setShowCriticalTasks( bool on ) { m_showCriticalTasks = on; }
    void setShowCriticalPath( bool on ) { m_showCriticalPath = on; }
    void setShowNoInformation( bool on ) { m_showNoInformation = on; }
    void setShowAppointments( bool on ) { m_showAppointments = on; }

private slots:
    void currentItemChanged( KDGanttViewItem * );
    void slotItemDoubleClicked( KDGanttViewItem* );
    void slotItemRenamed( KDGanttViewItem*, int, const QString& );

    void slotCreateTaskLink( KDGanttViewItem* from, KDGanttViewItem::Connector fc, KDGanttViewItem* to, KDGanttViewItem::Connector tc );

    void slotGvItemClicked( KDGanttViewItem* );

    void slotModifyLink( KDGanttViewTaskLink* link );

protected:
    int linkTypeToRelation( KDGanttViewItem::Connector fc, KDGanttViewItem::Connector tc );
    void setRenameEnabled( Q3ListViewItem *item, bool on );
private:
    KDGanttViewItem *findItem( Node *node );
    KDGanttViewItem *findItem( Node *node, KDGanttViewItem *item );
    Node *getNode( KDGanttViewItem *item ) const;
    bool isDrawn( KDGanttViewItem *item );
    void setDrawn( KDGanttViewItem *item, bool state );
    void resetDrawn( KDGanttViewItem *_item );
    void removeNotDrawn( KDGanttViewItem *_item );
    void deleteItem( KDGanttViewItem *item );
    KDGanttViewItem *correctType( KDGanttViewItem *item, Node *node );
    void correctPosition( KDGanttViewItem *item, Node *node );
    KDGanttViewItem *correctParent( KDGanttViewItem *item, Node *node );

    void updateChildren( Node *node );
    void updateNode( Node *node );

    void modifyChildren( Node *node );
    void modifyNode( Node *node );
    void modifyProject( KDGanttViewItem *item, Node *node );
    void modifySummaryTask( KDGanttViewItem *item, Task *task );
    void modifyTask( KDGanttViewItem *item, Task *task );
    void modifyMilestone( KDGanttViewItem *item, Task *task );

    KDGanttViewItem *addNode( KDGanttViewItem *parentItem, Node *node, KDGanttViewItem *after = 0 );

    KDGanttViewItem *addProject( KDGanttViewItem *parentItem, Node *node, KDGanttViewItem *after = 0 );
    KDGanttViewItem *addSubProject( KDGanttViewItem *parentItem, Node *node, KDGanttViewItem *after = 0 );
    KDGanttViewItem *addSummaryTask( KDGanttViewItem *parentItem, Task *task, KDGanttViewItem *after = 0 );
    KDGanttViewItem *addTask( KDGanttViewItem *parentItem, Task *task, KDGanttViewItem *after = 0 );
    KDGanttViewItem *addMilestone( KDGanttViewItem *parentItem, Task *task, KDGanttViewItem *after = 0 );

    void drawChildren( KDGanttViewItem *item, Node &node );
    void drawProject( KDGanttViewItem *parentItem, Node *node );
    void drawSubProject( KDGanttViewItem *parentItem, Node *node );
    void drawSummaryTask( KDGanttViewItem *parentItem, Task *task );
    void drawTask( KDGanttViewItem *parentItem, Task *task );
    void drawMilestone( KDGanttViewItem *parentItem, Task *task );

    void drawRelations();
    void drawRelations( KDGanttViewItem *item );
    void drawChildRelations( KDGanttViewItem *item );

    void getContextClosedNodes( Context::Ganttview &context, KDGanttViewItem *item ) const;

private:
    bool m_readWrite;
    int m_defaultFontSize;
    KDGanttViewItem *m_currentItem;
    QSplitter *m_splitter;
    MyKDGanttView *m_gantt;
    TaskAppointmentsView *m_taskView;
    bool m_showExpected;
    bool m_showOptimistic;
    bool m_showPessimistic;
    bool m_showResources;
    bool m_showTaskName;
    bool m_showTaskLinks;
    bool m_showProgress;
    bool m_showPositiveFloat;
    bool m_showCriticalTasks;
    bool m_showCriticalPath;
    bool m_showNoInformation;
    bool m_showAppointments;
    bool m_firstTime;
    Q3PtrList<KDGanttViewTaskLink> m_taskLinks;
    Project *m_project;
};

}  //KPlato namespace

#endif

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