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+/* -*- Mode: C++ -*-
+ $Id$
+ KDGantt - a multi-platform charting engine
+*/
+
+/****************************************************************************
+ ** Copyright (C) 2002-2004 Klarälvdalens Datakonsult AB. All rights reserved.
+ **
+ ** This file is part of the KDGantt library.
+ **
+ ** This file may be distributed and/or modified under the terms of the
+ ** GNU General Public License version 2 as published by the Free Software
+ ** Foundation and appearing in the file LICENSE.GPL included in the
+ ** packaging of this file.
+ **
+ ** Licensees holding valid commercial KDGantt licenses may use this file in
+ ** accordance with the KDGantt Commercial License Agreement provided with
+ ** the Software.
+ **
+ ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ **
+ ** See http://www.klaralvdalens-datakonsult.se/Public/products/ for
+ ** information about KDGantt Commercial License Agreements.
+ **
+ ** Contact info@klaralvdalens-datakonsult.se if any conditions of this
+ ** licensing are not clear to you.
+ **
+ ** As a special exception, permission is given to link this program
+ ** with any edition of Qt, and distribute the resulting executable,
+ ** without including the source code for Qt in the source distribution.
+ **
+ **********************************************************************/
+
+
+#include "KDGanttViewEventItem.h"
+#include "KDGanttViewSubwidgets.h"
+#include "itemAttributeDialog.h"
+
+/*!
+ \class KDGanttViewEventItem KDGanttViewEventItem.h
+ An event item in a Gantt chart.
+
+ This class represents event items in Gantt charts.
+*/
+
+/*!
+ Constructs an empty Gantt item of type event.
+
+ \param view the Gantt view to insert this item into
+ \param lvtext the text to show in the list view
+ \param name the name by which the item can be identified. If no name
+ is specified, a unique name will be generated
+*/
+KDGanttViewEventItem::KDGanttViewEventItem( KDGanttView* view,
+ const QString& lvtext,
+ const QString& name ) :
+ KDGanttViewItem( Event, view, lvtext, name )
+{
+ initItem();
+}
+
+
+/*!
+ Constructs an empty Gantt item of type event.
+
+ \param parent a parent item under which this one goes
+ \param lvtext the text to show in the list view
+ \param name the name by which the item can be identified. If no name
+ is specified, a unique name will be generated
+*/
+KDGanttViewEventItem::KDGanttViewEventItem( KDGanttViewItem* parent,
+ const QString& lvtext,
+ const QString& name ) :
+ KDGanttViewItem( Event, parent, lvtext, name )
+{
+ initItem();
+
+}
+
+
+/*!
+ Constructs an empty Gantt item of type event.
+
+ \param view the Gantt view to insert this item into
+ \param after another item at the same level behind which this one should go
+ \param lvtext the text to show in the list view
+ \param name the name by which the item can be identified. If no name
+ is specified, a unique name will be generated
+*/
+KDGanttViewEventItem::KDGanttViewEventItem( KDGanttView* view,
+ KDGanttViewItem* after,
+ const QString& lvtext,
+ const QString& name ) :
+ KDGanttViewItem( Event, view, after, lvtext, name )
+{
+
+ initItem();
+}
+
+
+/*!
+ Constructs an empty Gantt item of type event.
+
+ \param parent a parent item under which this one goes
+ \param after another item at the same level behind which this one should go
+ \param lvtext the text to show in the list view
+ \param name the name by which the item can be identified. If no name
+ is specified, a unique name will be generated
+*/
+KDGanttViewEventItem::KDGanttViewEventItem( KDGanttViewItem* parent,
+ KDGanttViewItem* after,
+ const QString& lvtext,
+ const QString& name ) :
+ KDGanttViewItem( Event, parent, after, lvtext, name )
+{
+
+ initItem();
+}
+
+
+/*!
+ The destructor. Nothing done here.
+*/
+KDGanttViewEventItem::~KDGanttViewEventItem()
+{
+
+
+}
+/*!
+ Specifies the start time of this item. The parameter must be valid
+ and non-null. If the parameter is invalid or null, no value is set.
+ If the start time is less than the lead time,
+ the lead time is set to this start time automatically.
+
+ \param start the start time
+ \sa startTime()
+*/
+void KDGanttViewEventItem::setStartTime( const QDateTime& start )
+{
+ if (! start.isValid() ) {
+ qDebug("KDGanttViewEventItem::setStartTime():Invalid parameter-no time set");
+ return;
+ }
+ myStartTime = start;
+ myEndTime = start;
+ if ( myStartTime < leadTime() )
+ setLeadTime( myStartTime );
+ else {
+ updateCanvasItems();
+ }
+
+}
+
+
+/*!
+ Specifies whether the event item should be shown with a lead time
+ line, and if yes, when the lead time starts.
+ If the start time is less than the lead time,
+ the start time is set to this lead time automatically.
+
+ \param leadTimeStart the start time of the lead time; pass an
+ invalid QDateTime object in order to turn the lead time off.
+ \sa leadTime()
+*/
+
+void KDGanttViewEventItem::setLeadTime( const QDateTime& leadTimeStart )
+{
+ if (!myLeadTime) myLeadTime = new QDateTime;
+ *myLeadTime = leadTimeStart;
+ if ( startTime() < leadTime() )
+ setStartTime( leadTimeStart );
+ else {
+ updateCanvasItems();
+ }
+
+}
+
+
+/*!
+ Returns whether the event item is shown with a lead time line and if
+ yes, when the lead time starts.
+
+ \return if the event item is shown with a lead time line, returns
+ the QDateTime object representing the start of the lead time,
+ otherwise returns an invalid QDateTime object
+ \sa setLeadTime()
+*/
+QDateTime KDGanttViewEventItem::leadTime() const
+{
+ if(myLeadTime)
+ return *myLeadTime;
+ return myStartTime;
+}
+
+
+void KDGanttViewEventItem::hideMe()
+{
+ startShape->hide();
+ startShapeBack->hide();
+ startLine->hide();
+ startLineBack->hide();
+ textCanvas->hide();
+ floatStartShape->hide();
+ floatEndShape->hide();
+}
+
+
+void KDGanttViewEventItem::showItem(bool show, int coordY)
+{
+ isVisibleInGanttView = show;
+ invalidateHeight () ;
+ if (!show) {
+ hideMe();
+ return;
+ }
+ float prio = ((float) ( priority() - 100 )) / 100.0;
+ startShape->setZ( prio + 0.0055 );
+ startShapeBack->setZ( prio + 0.003 );
+ startLine->setZ( prio + 0.0015 );
+ floatStartShape->setZ(prio + 0.004);
+ floatStartShape->hide();
+ floatEndShape->setZ(prio + 0.004);
+ floatEndShape->hide();
+ textCanvas->setZ( prio + 0.006 );
+ startLineBack->setZ( prio );
+
+ if ( displaySubitemsAsGroup() && firstChild() ) {
+ myStartTime = myChildStartTime();
+ myEndTime = myChildEndTime();
+ }
+ int startX, endX, allY;
+ if ( coordY )
+ allY = coordY;
+ else
+ allY = getCoordY();
+ startX = myGanttView->myTimeHeader->getCoordX(myStartTime);
+ if (myLeadTime) {
+ endX = myGanttView->myTimeHeader->getCoordX(*myLeadTime);
+ startLine->setPoints(startX,allY,endX,allY);
+ startLine->show();
+ startLineBack->setPoints(startX+1,allY,endX-1,allY);
+ startLineBack->show();
+ }
+ else {
+ startLine->hide();
+ startLineBack->hide();
+ }
+ startShape->move(startX,allY);
+ startShape->show();
+ startShapeBack->move(startX,allY);
+ startShapeBack->show();
+ if (myFloatStartTime.isValid()) {
+ KDCanvasRectangle* floatStartTemp = (KDCanvasRectangle*) floatStartShape;
+ int floatStartX = myGanttView->myTimeHeader->getCoordX(myFloatStartTime);
+ int hei = startShape->boundingRect().height();
+ // FIXME: Configurable colors
+ QBrush b(startShape->brush().color(), Dense4Pattern);
+ floatStartTemp->setBrush(b);
+ floatStartTemp->setPen(QPen(gray));
+ if (floatStartX < startX) {
+ floatStartTemp->setSize(startX - floatStartX, hei/2);
+ floatStartTemp->move(floatStartX, allY-hei/4);
+ } else {
+ floatStartTemp->setSize(floatStartX - startX, hei/2);
+ floatStartTemp->move(startX, allY-hei/4);
+ }
+ floatStartShape->show();
+ }
+ if (myFloatEndTime.isValid()) {
+ KDCanvasRectangle* floatEndTemp = (KDCanvasRectangle*) floatEndShape;
+ int floatEndX = myGanttView->myTimeHeader->getCoordX(myFloatEndTime);
+ int hei = startShape->boundingRect().height();
+ // FIXME: Configurable colors
+ QBrush b(startShape->brush().color(), Dense4Pattern);
+ floatEndTemp->setBrush(b);
+ floatEndTemp->setPen(QPen(gray));
+ if (floatEndX > startX) {
+ floatEndTemp->setSize(floatEndX - startX, hei/2);
+ floatEndTemp->move(startX, allY-hei/4);
+ } else {
+ floatEndTemp->setSize(startX - floatEndX, hei/2);
+ floatEndTemp->move(floatEndX, allY-hei/4);
+ }
+ floatEndShape->show();
+ }
+
+ moveTextCanvas(startX,allY);
+ textCanvas->show();
+ if (textCanvas->text().isEmpty())
+ textCanvas->hide();
+}
+
+
+void KDGanttViewEventItem::initItem()
+{
+ isVisibleInGanttView = false;
+ myLeadTime = 0;
+ showItem(true);
+ myGanttView->myTimeTable->updateMyContent();
+ setDragEnabled( myGanttView->dragEnabled() );
+ setDropEnabled( myGanttView->dropEnabled() );
+}
+
+
+
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