kdgantt1

KDGanttViewTaskItem.cpp

00001 /* -*- Mode: C++ -*-
00002    $Id: KDGanttViewTaskItem.cpp 836291 2008-07-22 04:34:42Z pradeepto $
00003    KDGantt - a multi-platform charting engine
00004 */
00005 
00006 /****************************************************************************
00007  ** Copyright (C)  2002-2004 Klarälvdalens Datakonsult AB.  All rights reserved.
00008  **
00009  ** This file is part of the KDGantt library.
00010  **
00011  ** This file may be used under the terms of the GNU General Public
00012  ** License versions 2.0 or 3.0 as published by the Free Software
00013  ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
00014  ** included in the packaging of this file.  Alternatively you may (at
00015  ** your option) use any later version of the GNU General Public
00016  ** License if such license has been publicly approved by
00017  ** Klarälvdalens Datakonsult AB (or its successors, if any).
00018  ** 
00019  ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
00020  ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
00021  ** A PARTICULAR PURPOSE. Klarälvdalens Datakonsult AB reserves all rights
00022  ** not expressly granted herein.
00023  ** 
00024  ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00025  ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00026  **
00027  ** As a special exception, permission is given to link this program
00028  ** with any edition of Qt, and distribute the resulting executable,
00029  ** without including the source code for Qt in the source distribution.
00030  **
00031  **********************************************************************/
00032 
00033 
00034 #include "KDGanttViewSubwidgets.h"
00035 
00036 #include "KDGanttViewTaskItem.h"
00037 #include <QApplication>
00038 #if QT_VERSION < 0x040000
00039 #include "itemAttributeDialog.h"
00040 #endif
00041 
00069 KDGanttViewTaskItem::KDGanttViewTaskItem( KDGanttView* view,
00070                                           const QString& lvtext,
00071                                           const QString& name ) :
00072     KDGanttViewItem( Task, view, lvtext, name )
00073 {
00074 
00075   initItem();
00076 }
00077 
00078 
00087 KDGanttViewTaskItem::KDGanttViewTaskItem( KDGanttViewItem* parent,
00088                                           const QString& lvtext,
00089                                           const QString& name ) :
00090     KDGanttViewItem( Task, parent, lvtext, name )
00091 {
00092   initItem();
00093 }
00094 
00095 
00105 KDGanttViewTaskItem::KDGanttViewTaskItem( KDGanttView* view,
00106                                                 KDGanttViewItem* after,
00107                                                 const QString& lvtext,
00108                                                 const QString& name ) :
00109     KDGanttViewItem( Task, view, after, lvtext, name )
00110 {
00111   initItem();
00112 }
00113 
00114 
00124 KDGanttViewTaskItem::KDGanttViewTaskItem( KDGanttViewItem* parent,
00125                                           KDGanttViewItem* after,
00126                                           const QString& lvtext,
00127                                           const QString& name ) :
00128     KDGanttViewItem( Task, parent, after, lvtext, name )
00129 {
00130   initItem();
00131 }
00132 
00133 
00137 KDGanttViewTaskItem::~KDGanttViewTaskItem()
00138 {
00139 
00140 }
00141 
00142 
00151 bool KDGanttViewTaskItem::moveConnector( KDGanttViewItem::Connector c, QPoint p )
00152 {
00153     //qDebug("DIFF %d , px=",mCurrentConnectorDiffX, p.x() );
00154     switch( c ) {
00155     case Start:
00156         setStartTime( myGanttView->myTimeHeader->getDateTimeForIndex( p.x() ) );
00157         return true;
00158         break;
00159     case End:
00160         setEndTime( myGanttView->myTimeHeader->getDateTimeForIndex( p.x() ) );
00161         return true;
00162         break;
00163     case Move:
00164         {
00165             int secs = myStartTime.secsTo( myEndTime );
00166             myStartTime = myGanttView->myTimeHeader->getDateTimeForIndex( p.x() - mCurrentConnectorDiffX );
00167             setEndTime( myStartTime.addSecs( secs ) );
00168             return true;
00169         }
00170         break;
00171         case TaskLinkStart:
00172         case TaskLinkEnd:
00173         // handled externally
00174         break;
00175     default:
00176         qDebug( "Unsupported connector type in KDGanttViewTaskItem::moveConnector: %d", c );
00177     }
00178     return false;
00179 }
00180 
00181 
00182 
00191 KDGanttViewItem::Connector  KDGanttViewTaskItem::getConnector( QPoint p )
00192 {
00193     if (! enabled() || displaySubitemsAsGroup() )
00194         return KDGanttViewItem::NoConnector;
00195     KDCanvasRectangle* temp = (KDCanvasRectangle*) startShape;
00196     mCurrentConnectorCoordX =  p.x();
00197     mCurrentConnectorDiffX =  p.x() - (int)temp->x();
00198     if (  p.y() < (int)temp->y() ||  
00199           p.y() > (int)temp->y() +(int)temp->height() ||
00200           p.x() < (int)temp->x() ||
00201           p.x() > (int)temp->x() + (int)temp->width() )
00202         return KDGanttViewItem::NoConnector;
00203     
00204     // Tasks support: Start, TaskLinkStart, Move, TaskLinkEnd, End.
00205     int miniwid = 4;
00206     if ( (int)temp->width() < miniwid ) {
00207         if (myGanttView->isConnectorEnabled(KDGanttViewItem::TaskLinkEnd)) {
00208             return KDGanttViewItem::TaskLinkEnd;
00209         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::TaskLinkStart)) {
00210             return KDGanttViewItem::TaskLinkStart;
00211         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::Move)) {
00212             return KDGanttViewItem::Move;
00213         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::End)) {
00214             return KDGanttViewItem::End;
00215         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::Start)) {
00216             return KDGanttViewItem::Start;
00217         } else {
00218             return KDGanttViewItem::NoConnector;
00219         }
00220     }
00221     int margin = 5;
00222 
00223     if ( (int)temp->width() < 25 ) {
00224         --margin;
00225         if ( (int)temp->width() < 20 )
00226             --margin;
00227         if ( (int)temp->width() < 15 )
00228             --margin;
00229         if ( (int)temp->width() < 10 )
00230             --margin;
00231     } else if ( (int)temp->width() > 50 ) {
00232         margin = 10;
00233     }
00234     //qDebug("p=%d, w=%d: margin=%d",p.x(),(int)temp->width(),margin);
00235     if ( p.x() < (int)temp->x() + margin ) {
00236         if (myGanttView->isConnectorEnabled(KDGanttViewItem::Start)) {
00237             return KDGanttViewItem::Start;
00238         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::TaskLinkStart)) {
00239             return KDGanttViewItem::TaskLinkStart;
00240         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::Move)) {
00241             return KDGanttViewItem::Move;
00242         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::TaskLinkEnd)) {
00243             return KDGanttViewItem::TaskLinkEnd;
00244         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::End)) {
00245             return KDGanttViewItem::End;
00246         } else {
00247             return KDGanttViewItem::NoConnector;
00248         }
00249     }
00250     if ( p.x() < (int)temp->x() + margin + margin ) {
00251         if (myGanttView->isConnectorEnabled(KDGanttViewItem::TaskLinkStart)) {
00252             return KDGanttViewItem::TaskLinkStart;
00253         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::Move)) {
00254             return KDGanttViewItem::Move;
00255         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::Start)) {
00256             return KDGanttViewItem::Start; 
00257         } else {
00258             return KDGanttViewItem::NoConnector;
00259         }
00260     }
00261     if ( p.x() < (int)temp->x() + (int)temp->width() - margin - margin ) {
00262         if (myGanttView->isConnectorEnabled(KDGanttViewItem::Move)) {
00263             return KDGanttViewItem::Move;
00264         } else {
00265             return KDGanttViewItem::NoConnector;
00266         }
00267     }
00268     if ( p.x() < (int)temp->x() + (int)temp->width() - margin ) {
00269         if (myGanttView->isConnectorEnabled(KDGanttViewItem::TaskLinkEnd)) {
00270             return KDGanttViewItem::TaskLinkEnd;
00271         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::Move)) {
00272             return KDGanttViewItem::Move;
00273         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::End)) {
00274             return KDGanttViewItem::End;
00275         } else {
00276             return KDGanttViewItem::NoConnector;
00277         }
00278     }
00279     if ( p.x() >= (int)temp->x() + (int)temp->width() - margin ) {
00280         if (myGanttView->isConnectorEnabled(KDGanttViewItem::End)) {
00281             return KDGanttViewItem::End;
00282         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::ActualEnd)) {
00283             return KDGanttViewItem::ActualEnd;
00284         } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::TaskLinkEnd)) {
00285             return KDGanttViewItem::TaskLinkEnd;
00286         } else {
00287             return KDGanttViewItem::NoConnector;
00288         }
00289     }
00290     if (myGanttView->isConnectorEnabled(KDGanttViewItem::Move)) {
00291         return KDGanttViewItem::Move;
00292     } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::TaskLinkEnd)) {
00293         return KDGanttViewItem::TaskLinkEnd;
00294     } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::TaskLinkStart)) {
00295         return KDGanttViewItem::TaskLinkStart;
00296     } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::End)) {
00297         return KDGanttViewItem::End;
00298     } else if (myGanttView->isConnectorEnabled(KDGanttViewItem::Start)) {
00299         return KDGanttViewItem::Start; 
00300     }
00301     return KDGanttViewItem::NoConnector;
00302 }
00303 
00304 KDGanttViewItem::Connector KDGanttViewTaskItem::getConnector( QPoint p, bool linkMode )
00305 {
00306     if ( !linkMode ) {
00307         return getConnector( p );
00308     }
00309     KDTimeTableWidget *tt = myGanttView->myTimeTable;
00310     int start = tt->getCoordX(myStartTime);
00311     int end = tt->getCoordX(myEndTime);
00312     if ( (end - start)/2 < (p.x() - start) ) {
00313         return KDGanttViewItem::TaskLinkEnd;
00314     }
00315     return KDGanttViewItem::TaskLinkStart;
00316 }
00317 
00326 unsigned int KDGanttViewTaskItem::getTimeForTimespan( const QDateTime& start, const QDateTime& end )
00327 {
00328     unsigned int retval = 0;
00329     if ( displaySubitemsAsGroup() )
00330         return retval;
00331     if ( start.isValid () ) {
00332         if ( end.isValid() ) {
00333             if ( myEndTime > start && myStartTime < end ) {
00334                 if ( myStartTime < start ) {
00335                     if ( myEndTime < end )
00336                         retval = start.secsTo( myEndTime );
00337                     else
00338                        retval = start.secsTo( end ); 
00339                 } else {
00340                     // myStartTime >= start 
00341                     if ( myEndTime < end )
00342                         retval = myStartTime.secsTo( myEndTime );
00343                     else
00344                        retval = myStartTime.secsTo( end ); 
00345                 }
00346             }
00347         } else {
00348             // start valid - end invalid
00349             if ( myStartTime > start )
00350                 retval = myStartTime.secsTo( myEndTime );
00351             else {
00352                 if ( myEndTime > start )
00353                     retval = start.secsTo( myEndTime );
00354             }
00355         }
00356     } else {
00357         // start invalid
00358         if ( end.isValid() ) {
00359             if ( myEndTime < end )
00360                 retval = myStartTime.secsTo( myEndTime );
00361             else {
00362                 if ( myStartTime < end )
00363                     retval = myStartTime.secsTo( end );
00364             }
00365         } else {
00366             // start invalid - end invalid
00367             retval = myStartTime.secsTo( myEndTime );
00368         }
00369     }
00370     return retval;
00371 }
00372 
00373 
00383 void KDGanttViewTaskItem::setEndTime( const QDateTime& end )
00384 {
00385   myEndTime = end;
00386   if ( myEndTime < startTime() )
00387       setStartTime( myEndTime );
00388   else
00389     updateCanvasItems();
00390 }
00391 
00392 
00402 void KDGanttViewTaskItem::setStartTime( const QDateTime& start )
00403 {
00404   if (! start.isValid() ) {
00405     qDebug("KDGanttViewTaskItem::setStartTime():Invalid parameter-no time set");
00406     return;
00407   }
00408     myStartTime = start;
00409     if ( myStartTime > endTime() )
00410       setEndTime( myStartTime );
00411     else
00412       updateCanvasItems();
00413 }
00414 
00415 
00420 void KDGanttViewTaskItem::hideMe()
00421 {
00422     startShape->hide();
00423     if ( mTextCanvas )
00424         mTextCanvas->hide();
00425     
00426     progressShape->hide();
00427     floatStartShape->hide();
00428     floatEndShape->hide();
00429 }
00430 
00431 
00432 void KDGanttViewTaskItem::showItem(bool show, int coordY)
00433 {
00434 
00435     //qDebug("KDGanttViewTaskItem::showItem() %d %s ", (int) show, listViewText().toLatin1());
00436     isVisibleInGanttView = show;
00437     mCurrentCoord_Y = coordY;
00438     invalidateHeight () ;
00439     if (!show) {
00440         hideMe();
00441         return;
00442     }
00443     float prio = ((float) ( priority() - 100 )) / 100.0;
00444     startShape->setZ( prio );
00445     progressShape->setZ(startShape->z()+0.003); // less than textCanvas
00446     progressShape->hide();
00447     floatStartShape->setZ(startShape->z()-0.003); // less than startShape
00448     floatStartShape->hide();
00449     floatEndShape->setZ(startShape->z()-0.003); // less than startShape
00450     floatEndShape->hide();
00451     if ( mTextCanvas )
00452         mTextCanvas->setZ( prio + 0.005 );
00453     if ( displaySubitemsAsGroup() && !parent() && !isOpen() ) {
00454         hideMe();
00455         return;
00456     }
00457     if ( displaySubitemsAsGroup()  && ( firstChild() || myGanttView->calendarMode() )  ) {
00458         hideMe();//new
00459         return;//new
00460         myStartTime = myChildStartTime();
00461         myEndTime = myChildEndTime();
00462     }
00463     //setExpandable(false);
00464     KDCanvasRectangle* temp = (KDCanvasRectangle*) startShape;
00465     KDCanvasRectangle* progtemp = (KDCanvasRectangle*) progressShape;
00466     int startX, endX, midX = 0,allY, progX=0;
00467     if ( coordY )
00468         allY = coordY;
00469     else
00470         allY = getCoordY();
00471     startX = myGanttView->myTimeHeader->getCoordX(myStartTime);
00472     checkCoord( &startX );
00473     endX = myGanttView->myTimeHeader->getCoordX(myEndTime);
00474     checkCoord( &endX );
00475     midX = endX;
00476     if (myProgress > 0) {
00477         progX = (endX - startX) * myProgress / 100;
00478     }
00479     int hei ;
00480 #if 0
00481     bool takedefaultHeight = true ; // pending: make configureable
00482     // commented out until height is made configurable
00483     hei = height();
00484     if ( ! isVisible() ) {
00485         KDGanttViewItem * par = parent();
00486         while ( par != 0 && !par->isVisible() )
00487             par = par->parent();
00488         if ( par )
00489             hei = par->height();
00490     }
00491 
00492     if ( takedefaultHeight )
00493 #endif
00494         hei = 16;
00495     if ( myStartTime == myEndTime ) {
00496         if ( mTextCanvas )
00497             mTextCanvas->hide();
00498         if ( showNoInformation() ) {
00499             startShape->hide();
00500         } else {
00501             startShape->setZ( 1.01 );
00502             if (myGanttView->displayEmptyTasksAsLine() ) {
00503                 hei = myGanttView->myTimeTable->height();
00504                 if (hei  < myGanttView->myTimeTable->pendingHeight )
00505                     hei = myGanttView->myTimeTable->pendingHeight;
00506                 temp->setSize(5,  hei  );
00507                 temp->move(startX, 0);
00508                 temp->show();
00509             } else {
00510                 temp->setSize( 1,  hei -3 );
00511                 temp->move(startX, allY-hei/2 +2);
00512                 temp->show();
00513             }
00514         }
00515         return;
00516     }
00517     if ( startX +3 >= endX )
00518         temp->setSize( 3,  hei-3 );
00519     else
00520         temp->setSize(endX-startX,  hei-3 );
00521     temp->move(startX, allY-hei/2 +2);
00522     temp->show();
00523     if (progX > 0) {
00524         // FIXME: For now, just use inverted color for progress
00525         QColor c = temp->brush().color();
00526         int h, s, v;
00527         c.getHsv(&h, &s, &v);
00528         h > 359/2 ? h -= 359/2 : h += 359/2;
00529         c.setHsv(h, s, v);
00530         progtemp->setBrush(QBrush(c));
00531     
00532         progtemp->setSize(progX, hei-3);
00533         progtemp->move(temp->x(), temp->y());
00534         progtemp->show();
00535     }
00536     if (myFloatStartTime.isValid()) {
00537         KDCanvasRectangle* floatStartTemp = (KDCanvasRectangle*) floatStartShape;
00538         int floatStartX = myGanttView->myTimeHeader->getCoordX(myFloatStartTime);
00539         // FIXME: Configurable colors
00540         QBrush b(temp->brush().color(), Qt::Dense4Pattern);
00541         floatStartTemp->setBrush(b);
00542         floatStartTemp->setPen(QPen(Qt::gray));
00543         if (floatStartX < startX) {
00544             floatStartTemp->setSize(startX - floatStartX, temp->size().height()/2);
00545             floatStartTemp->move(floatStartX, temp->y() + temp->size().height()/4);
00546         } else {
00547             floatStartTemp->setSize(floatStartX - startX, temp->size().height()/2);
00548             floatStartTemp->move(startX, temp->y() + temp->size().height()/4);
00549         }
00550         floatStartTemp->show();
00551     }
00552     if (myFloatEndTime.isValid()) {
00553         KDCanvasRectangle* floatEndTemp = (KDCanvasRectangle*) floatEndShape;
00554         int floatEndX = myGanttView->myTimeHeader->getCoordX(myFloatEndTime);
00555         // FIXME: Configurable colors
00556         QBrush b(temp->brush().color(), Qt::Dense4Pattern);
00557         floatEndTemp->setBrush(b);
00558         floatEndTemp->setPen(QPen(Qt::gray));
00559         int ex = startX + temp->size().width();
00560         if (floatEndX > ex) {
00561             floatEndTemp->setSize(floatEndX - ex, temp->size().height()/2);
00562             floatEndTemp->move(ex, temp->y() + temp->size().height()/4);
00563         } else {
00564             floatEndTemp->setSize(ex - floatEndX, temp->size().height()/2);
00565             floatEndTemp->move(floatEndX, temp->y() + temp->size().height()/4);
00566         }
00567         floatEndTemp->show();
00568     }
00569   
00570     int wid = endX-startX - 4;
00571     if ( mTextCanvas ) {
00572         if ( !displaySubitemsAsGroup() && !myGanttView->calendarMode()) {
00573             mTextCanvas->move(endX+2*myItemSize,allY-myItemSize/2 );
00574             mTextCanvas->show();
00575       
00576         } else {
00577             if ( textCanvasText.isEmpty()  || wid < 5)
00578                 mTextCanvas->hide();
00579             else {
00580                 mTextCanvas->move(startX+3, allY-mTextCanvas->boundingRect().height()/2);
00581                 QString temp = textCanvasText;
00582                 mTextCanvas->setText(temp);
00583                 int len =  temp.length();
00584                 while ( mTextCanvas->boundingRect().width() > wid ) {
00585                     temp.truncate(--len);
00586                     mTextCanvas->setText(temp);
00587                 }
00588                 if ( temp.isEmpty())
00589                     mTextCanvas->hide();
00590                 else {
00591                     mTextCanvas->show();
00592                 }
00593             }
00594         }
00595     }
00596 }
00597 
00598 
00599 void KDGanttViewTaskItem::initItem()
00600 {
00601   isVisibleInGanttView = false;
00602 
00603   if ( myGanttView->calendarMode() && parent() ) {
00604     setVisible( false );
00605     parent()->setVisible( true );
00606   } else
00607     showItem(true);
00608   //qDebug("initItem  %s %s", listViewText().toLatin1(),startShape->brush().color().name().toLatin1() );
00609   myGanttView->myTimeTable->updateMyContent();
00610   setDragEnabled( myGanttView->dragEnabled() );
00611   setDropEnabled( myGanttView->dropEnabled() );
00612 }
00613
kdgantt1

KDGanttViewTaskItem.cpp

kdgantt1

kdepim
