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koffice/kplato/kptpertcanvas.cc

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/* 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.
*/
#include "kptpertcanvas.h"
#include "kptnode.h"
#include "kptrelation.h"
#include "kptrelationdialog.h"
#include "kptcanvasitem.h"
#include <tqbuffer.h>
#include <tqtimer.h>
#include <tqclipboard.h>
#include <tqprogressdialog.h>
#include <tqobjectlist.h>
#include <tqpainter.h>
#include <tqheader.h>
#include <tqcursor.h>
#include <tqrect.h>
#include <tqsize.h>
#include <tqptrlist.h>
#include <KoStore.h>
#include <ktempfile.h>
#include <klocale.h>
#include <kdebug.h>
#include <kapplication.h>
#include <kmessagebox.h>
#include <assert.h>
#include <tdemultipledrag.h>
#include <tdelistview.h>
namespace KPlato
{
PertCanvas::PertCanvas( TQWidget *parent )
: TQCanvasView( parent, "Pert canvas" /*WNorthWestGravity WStaticContents| WResizeNoErase | WRepaintNoErase */),
m_verticalGap(20),
m_horizontalGap(10),
m_itemSize(100,30)
{
//setHScrollBarMode(TQScrollView::AlwaysOn);
m_canvas = new TQCanvas( TQT_TQOBJECT(this) );
setCanvas( m_canvas );
}
PertCanvas::~PertCanvas()
{
}
void PertCanvas::draw(Project& project)
{
//kdDebug()<<k_funcinfo<<endl;
clear();
updateContents();
// First make node items
TQPtrListIterator<Node> nit(project.childNodeIterator());
for ( ; nit.current(); ++nit ) {
createChildItems(createNodeItem(nit.current()));
}
// First all items with relations
TQPtrDictIterator<PertNodeItem> it(m_nodes);
for(; it.current(); ++it)
{
if (!(it.current()->hasParent()) && it.current()->hasChild())
{
m_rows.append(new TQMemArray<bool>(1)); // New node always goes into new row, first column
it.current()->move(this, m_rows.count()-1, 0); // item also moves it's children
}
}
// now items without relations
for(it.toFirst(); it.current(); ++it)
{
if (!(it.current()->hasParent() || it.current()->hasChild()))
{
m_rows.append(new TQMemArray<bool>(1)); // New node always goes into new row, first column
it.current()->move(this, m_rows.count()-1, 0);
}
}
drawRelations(); // done _after_ all nodes are drawn
TQSize s = canvasSize();
m_canvas->resize(s.width(), s.height());
update();
}
PertNodeItem *PertCanvas::createNodeItem(Node *node)
{
PertNodeItem *item = m_nodes.find(node);
if (!item)
{
if ( node->type() == Node::Type_Project)
kdDebug()<<k_funcinfo<<"Project nodes should not have relations"<<endl;
else if (node->type() == Node::Type_Subproject)
item = new PertProjectItem(this, *node);
else if (node->type()== Node::Type_Summarytask)
item = new PertTaskItem(this, *node);
else if (node->type()== Node::Type_Task)
item = new PertTaskItem(this, *node);
else if (node->type() == Node::Type_Milestone)
item = new PertMilestoneItem(this, *node);
else
kdDebug()<<k_funcinfo<<"Not implemented yet"<<endl;
if (item)
m_nodes.insert(node, item);
}
return item;
}
void PertCanvas::createChildItems(PertNodeItem *parentItem)
{
//kdDebug()<<k_funcinfo<<"parentItem="<<(parentItem ? parentItem->node().name() : "nil")<<endl;
if (!parentItem)
return;
TQPtrListIterator<Relation> it(parentItem->node().dependChildNodes());
for (; it.current(); ++it)
{
PertNodeItem *childItem = createNodeItem(it.current()->child());
if (childItem)
parentItem->addChildRelation(it.current(), childItem);
m_relations.append(it.current());
}
// Now my children
TQPtrListIterator<Node> nit(parentItem->node().childNodeIterator());
for ( ; nit.current(); ++nit ) {
createChildItems(createNodeItem(nit.current()));
}
}
void PertCanvas::drawRelations()
{
//kdDebug()<<k_funcinfo<<endl;
TQPtrListIterator<Relation> it(m_relations);
for (; it.current(); ++it)
{
PertNodeItem *parentItem = m_nodes.find(it.current()->parent());
PertNodeItem *childItem = m_nodes.find(it.current()->child());
if (parentItem && childItem)
{
PertRelationItem *item = new PertRelationItem(this, parentItem, childItem, it.current());
item->show();
}
}
}
void PertCanvas::mapNode(PertNodeItem *item)
{
//kdDebug()<<k_funcinfo<<endl;
if (! m_rows.at(item->row()) || (item->column() >= 0 && m_rows.at(item->row())->count() <= uint(item->column())))
{
kdError()<<k_funcinfo<<item->node().name()<<": non existing map for: ("<<item->row()<<","<<item->column()<<")"<<endl;
return;
}
m_rows.at(item->row())->at(item->column()) = true;
}
void PertCanvas::mapChildNode(PertNodeItem *parentItem, PertNodeItem *childItem, Relation::Type type)
{
//kdDebug()<<k_funcinfo<<"Parent: "<<parentItem->node().name()<<" to child: "<<(childItem ? childItem->node().name() : "None")<<endl;
if (!childItem)
{ // shouldn't happen...
kdError()<<k_funcinfo<<"No childItem"<<endl;
return;
}
int row = parentItem->row();
int col = parentItem->column();
int chRow = childItem->row();
int chCol = childItem->column();
bool chMapped = (chRow > -1 && chCol > -1);
//kdDebug()<<k_funcinfo<<"Parent: "<<parentItem->node().name()<<" at ("<<row<<","<<col<<"): Moving "<<childItem->node().name()<<" from: "<<chRow<<","<<chCol<<endl;
if (type == Relation::StartStart ||
type == Relation::FinishFinish)
{
// node goes into row below parent, at least same col
if (chMapped)
{
m_rows.at(chRow)->at(chCol) = false;
//kdDebug()<<k_funcinfo<<" Moving "<<childItem->node().name()<<" from: "<<chRow<<","<<chCol<<endl;
if (chRow <= row)
{
chRow = row+1;
if (chRow >= 0 && m_rows.count() <= uint(chRow)) {
m_rows.append(new TQMemArray<bool>(1)); // make a new row
chRow = m_rows.count()-1; // to be safe
}
//kdDebug()<<k_funcinfo<<" Moving "<<childItem->node().name()<<" to row: "<<chRow<<endl;
}
if (chCol < col)
{
chCol = col;
if (chCol >= 0 && m_rows.at(chRow)->count() <= uint(chCol)) // col does not exist
m_rows.at(chRow)->resize(chCol+1);
//kdDebug()<<k_funcinfo<<" Moved "<<childItem->node().name()<<" to col: "<<chCol<<endl;
}
}
else
{
if (!(m_rows.at(row+1)) || // next row does not exists
m_rows.at(row+1)->at(col) == true) // col is not free
{
m_rows.append(new TQMemArray<bool>(col+1)); // make a new row
}
else if (col >= 0 && m_rows.at(row+1)->count() <= uint(col)) // col does not exist
m_rows.at(row)->resize(col+1);
chRow = m_rows.count() -1;
chCol = col;
}
}
else if (type == Relation::FinishStart)
{
// node goes into same row, next col if col free
if (chMapped)
{
m_rows.at(chRow)->at(chCol) = false;
if (chRow < row)
chRow = row;
if (chCol <= col)
{
chCol = col+1;
}
if (chCol >= 0 && m_rows.at(chRow)->count() <= uint(chCol)) // col does not exist
m_rows.at(chRow)->resize(chCol+1);
}
else
{
++col;
if (col >= 0 && m_rows.at(row)->count() <= uint(col))
m_rows.at(row)->resize(col+1); // make new column
else if (m_rows.at(row)->at(col) = true)
m_rows.append(new TQMemArray<bool>(col+1)); // col not free, so make a new row
chRow = m_rows.count() -1;
chCol = col;
}
}
else
{
kdError()<<k_funcinfo<<"Unknow relation type"<<endl;
return;
}
childItem->move(this, chRow, chCol);
}
TQSize PertCanvas::canvasSize()
{
//kdDebug()<<k_funcinfo<<endl;
TQSize s(0,0);
TQCanvasItemList list = canvas()->allItems();
TQCanvasItemList::Iterator it = list.begin();
for (; it != list.end(); ++it)
{
TQRect r = (*it)->boundingRect();
s.setWidth(TQMAX(s.width(), r.right()));
s.setHeight(TQMAX(s.height(), r.bottom()));
}
s.setWidth(s.width()+20);
s.setHeight(s.height()+20);
return s;
}
void PertCanvas::clear()
{
m_nodes.clear();
m_relations.clear();
m_rows.clear();
TQCanvasItemList list = canvas()->allItems();
TQCanvasItemList::Iterator it = list.begin();
for (; it != list.end(); ++it)
{
if ( *it )
delete *it;
}
}
void PertCanvas::contentsMousePressEvent ( TQMouseEvent * e )
{
//kdDebug()<<k_funcinfo<<" gl.X,gl.Y="<<e->globalX()<<","<<e->globalY()<<" x,y="<<e->x()<<","<<e->y()<<endl;
switch (e->button())
{
case Qt::LeftButton:
{
break;
}
case Qt::RightButton:
{
PertNodeItem *item = selectedItem();
if (item)
item->setSelected(false);
canvas()->update();
TQCanvasItemList l = canvas()->collisions(e->pos());
for (TQCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it)
{
if ( (*it)->rtti() == PertProjectItem::RTTI ||
(*it)->rtti() == PertTaskItem::RTTI ||
(*it)->rtti() == PertMilestoneItem::RTTI )
{
PertNodeItem *item = (PertNodeItem *)(*it);
{
item->setSelected(true);
canvas()->update();
emit rightButtonPressed(&(item->node()), e->globalPos());
if (item == selectedItem()) {
// item maybe deleted
item->setSelected(false);
}
canvas()->update();
break;
}
}
}
break;
}
case Qt::MidButton:
break;
default:
break;
}
}
void PertCanvas::contentsMouseReleaseEvent ( TQMouseEvent * e )
{
//kdDebug()<<k_funcinfo<<" gl.X,gl.Y="<<e->globalX()<<","<<e->globalY()<<" x,y="<<e->x()<<","<<e->y()<<endl;
switch (e->button())
{
case Qt::LeftButton:
{
bool hit = false;
TQCanvasItemList l = canvas()->collisions(e->pos());
for (TQCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it)
{
if ( (*it)->rtti() == PertProjectItem::RTTI ||
(*it)->rtti() == PertTaskItem::RTTI ||
(*it)->rtti() == PertMilestoneItem::RTTI )
{
hit = true;
PertNodeItem *item = (PertNodeItem *)(*it);
PertNodeItem *par = selectedItem();
if ( !par)
{
//kdDebug()<<k_funcinfo<<" First node="<<item->node().name()<<endl;
item->setSelected(true);
canvas()->update();
return;
}
par->setSelected(false);
if (&(item->node()) == &(par->node()))
{
break;
}
//kdDebug()<<k_funcinfo<<" Second node="<<item->node().name()<<endl;
// open relation dialog
if (!par->node().legalToLink(&(item->node()))) {
KMessageBox::sorry(this, i18n("Cannot link these nodes"));
} else {
Relation *rel = item->node().findRelation(&(par->node()));
if (rel)
emit modifyRelation(rel);
else
emit addRelation(&(par->node()), &(item->node()));
}
break;
}
}
if (!hit) {
PertNodeItem *i = selectedItem();
if (i) i->setSelected(false);
}
canvas()->update();
break;
}
case Qt::RightButton:
{
break;
}
case Qt::MidButton:
break;
default:
break;
}
}
PertNodeItem *PertCanvas::selectedItem()
{
TQCanvasItemList list = canvas()->allItems();
TQCanvasItemList::Iterator it = list.begin();
for (; it != list.end(); ++it)
{
if ( (*it)->isSelected() )
{
if ( (*it)->rtti() == PertProjectItem::RTTI ||
(*it)->rtti() == PertTaskItem::RTTI ||
(*it)->rtti() == PertMilestoneItem::RTTI )
return (PertNodeItem *)(*it);
}
}
return 0;
}
Node *PertCanvas::selectedNode() {
return selectedItem() ? &(selectedItem()->node()) : 0;
}
#ifndef NDEBUG
void PertCanvas::printDebug( int /*info*/ )
{
}
#endif
} //KPlato namespace
#include "kptpertcanvas.moc"