kptcanvasitem.h

/* This file is part of the KDE project
   Copyright (C) 2003 - 2004 Dag Andersen <danders@get2net.dk>
 
   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.
 
   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 KPTCANVASITEM_H
#define KPTCANVASITEM_H
 
#include "kptnode.h"
#include "KDGanttView.h"
#include "KDGanttViewItem.h"
#include "KDGanttViewSummaryItem.h"
#include "KDGanttViewTaskItem.h"
#include "KDGanttViewEventItem.h"
 
#include <tqcanvas.h>
#include <tqrect.h>
 
class TQPainter;
 
namespace KPlato
{
 
class Task;
class Relation;
class PertCanvas;
class PertRelationItem;
class PertNodeItem;
class GanttView;
 
class PertNodeItem : public TQCanvasPolygon
{
private:
    class PertNodeRelation
    {
    public:
        PertNodeRelation(Relation *r, PertNodeItem *n) { relation = r; childItem = n; }
        ~PertNodeRelation() {}
        Relation *relation;
        PertNodeItem * childItem;
    };
 
public:
    PertNodeItem( PertCanvas *view, Node &node, int row, int col );
    virtual ~PertNodeItem();
 
    virtual int rtti() const;
    static int RTTI;
 
    void setVisible(bool yes);
    void move(PertCanvas *view, int row, int col);
 
    TQPoint exitPoint(Relation::Type type) const;
    TQPoint entryPoint(Relation::Type type) const;
 
    Node &node() const { return m_node; }
 
    TQRect rect() const { return TQRect(m_left, m_right); }
    void setRow(int row) { m_row = row; }
    int row() const { return m_row; }
    void setColumn(int col) { m_col = col; }
    int column() const { return m_col; }
    int x() const { return m_x; }
    int x(int col) const { return m_wgap + col*(m_width+m_wgap); }
    int y() const { return m_y; }
    int y(int row) const { return m_hgap + row*(m_height+m_hgap); }
    int width() const { return m_width; }
    int height() const { return m_height; }
 
    void addChildRelation(Relation *relation, PertNodeItem *node)
        { m_childRelations.append(new PertNodeRelation(relation, node)); }
 
    bool hasParent() { return m_node.numDependParentNodes(); }
    bool hasChild() { return m_node.numDependChildNodes(); }
 
protected:
    void drawShape(TQPainter & p);
 
    int m_wgap;
    int m_hgap;
    int m_width;
    int m_height;
    int m_x;
    int m_y;
 
    TQPtrList<PertNodeRelation> m_childRelations;
 
private:
    Node &m_node;
    int m_row, m_col;
    TQPoint m_right; // Entry/exit point
    TQPoint m_left;  // Entry/exit point
    TQCanvasText *m_name;
    TQCanvasText *m_leader;
 
#ifndef NDEBUG
    void printDebug( int );
#endif
 
};
 
class PertProjectItem : public PertNodeItem
{
public:
    PertProjectItem( PertCanvas *view, Node &node, int row=-1, int col=-1 );
    virtual ~PertProjectItem();
 
    virtual int rtti() const;
    static int RTTI;
 
#ifndef NDEBUG
    void printDebug( int );
#endif
 
};
 
class PertTaskItem : public PertNodeItem
{
public:
    PertTaskItem( PertCanvas *view, Node &node, int row=-1, int col=-1 );
    virtual ~PertTaskItem();
 
    virtual int rtti() const;
    static int RTTI;
 
#ifndef NDEBUG
    void printDebug( int );
#endif
 
};
 
class PertMilestoneItem : public PertNodeItem
{
public:
    PertMilestoneItem( PertCanvas *view, Node &node, int row=-1, int col=-1 );
    virtual ~PertMilestoneItem();
 
    virtual int rtti() const;
    static int RTTI;
 
    void draw();
 
#ifndef NDEBUG
    void printDebug( int );
#endif
 
};
 
 
class PertRelationItem : public TQCanvasPolygon
{
public:
    PertRelationItem(PertCanvas *view, PertNodeItem *parent, PertNodeItem *child, Relation *rel);
    virtual ~PertRelationItem();
 
    virtual int rtti() const;
    static int RTTI;
 
    Relation::Type type() { return m_rel->type(); }
    void draw();
 
    void setFinishStartPoints();
    void setFinishFinishPoints();
    void setStartStartPoints();
    TQPointArray areaPoints() const;
 
    bool rowFree(int row, int startCol, int endCol);
 
protected:
    void drawShape(TQPainter &p);
 
private:
    PertCanvas *m_view;
    Relation *m_rel;
    PertNodeItem *m_parentItem;
    PertNodeItem *m_childItem;
    int left, top, right, bottom;
 
    int parentTop;
    int parentBottom;
    int childTop;
 
    int childRow;
    int childCol;
    int parentRow;
    int parentCol;
 
    int wgap;
    int hgap;
 
 
#ifndef NDEBUG
    void printDebug( int );
#endif
 
};
 
class ItemBase
{
protected:
    KDGanttViewTaskLink::LinkType kdLinkType(int relationType);
};
 
 
 
class GanttViewSummaryItem : public KDGanttViewSummaryItem, public ItemBase
{
public:
    GanttViewSummaryItem(KDGanttView *parent, Node *node);
    GanttViewSummaryItem(KDGanttViewItem *parent, Node *node);
 
    Node *getNode() { return m_node; }
    void insertRelations(GanttView *view);
    KDGanttViewItem *find(Node *node);
    KDGanttViewItem *find(KDGanttViewItem *item, Node *node);
    KDGanttView *ganttView() const { return m_view; }
    bool isDrawn() const { return m_drawn; }
    void setDrawn(bool drawn) { m_drawn = drawn; }
 
protected:
    Node *m_node;  // can be Project or Task
    KDGanttView *m_view;
    bool m_drawn;
};
 
 
class GanttViewTaskItem : public KDGanttViewTaskItem, public ItemBase
{
public:
    GanttViewTaskItem(KDGanttView *parent, KPlato::Task *task);
    GanttViewTaskItem(KDGanttViewItem *parent, KPlato::Task *task);
 
    KPlato::Task *getTask() const { return m_task; }
    void insertRelations(GanttView *view);
    KDGanttViewItem *find(Node *node);
    KDGanttViewItem *find(KDGanttViewItem *item, Node *node);
    KDGanttView *ganttView() const { return m_view; }
    bool isDrawn() const { return m_drawn; }
    void setDrawn(bool drawn) { m_drawn = drawn; }
    
protected:
    KPlato::Task *m_task;
    KDGanttView *m_view;
    bool m_drawn;
};
 
 
class GanttViewEventItem : public KDGanttViewEventItem, public ItemBase
{
public:
    GanttViewEventItem(KDGanttView *parent, KPlato::Task *task);
    GanttViewEventItem(KDGanttViewItem *parent, KPlato::Task *task);
 
    KPlato::Task *getTask() { return m_task; }
    void insertRelations(GanttView *view);
    KDGanttViewItem *find(Node *node);
    KDGanttViewItem *find(KDGanttViewItem *item, Node *node);
    KDGanttView *ganttView() const { return m_view; }
    bool isDrawn() const { return m_drawn; }
    void setDrawn(bool drawn) { m_drawn = drawn; }
    
protected:
    KPlato::Task *m_task;
    KDGanttView *m_view;
    bool m_drawn;
};
 
}  //KPlato namespace
 
#endif