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Viewing changes to Command/TrackPointCommands.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Bernd Zeimetz
  • Date: 2009-09-13 00:52:12 UTC
  • mto: (1.2.7 upstream) (0.1.3 upstream) (3.1.7 sid)
  • mto: This revision was merged to the branch mainline in revision 10.
  • Revision ID: james.westby@ubuntu.com-20090913005212-pjecal8zxm07x0fj
Import upstream version 0.14+svnfixes~20090912

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Command/TrackPointCommands.cpp
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#include "Command/TrackPointCommands.h"
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#include "Map/TrackPoint.h"
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#include "Map/MapLayer.h"
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#include "Sync/DirtyList.h"
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MoveTrackPointCommand::MoveTrackPointCommand() 
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: Command(0), theLayer(0), oldLayer(0), OldPos(Coord(0, 0)), NewPos(Coord(0, 0))
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{
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}
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MoveTrackPointCommand::MoveTrackPointCommand(TrackPoint* aPt) 
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: Command(aPt), theLayer(0), oldLayer(0), OldPos(Coord(0, 0)), NewPos(Coord(0, 0))
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{
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        description = MainWindow::tr("Move node %1").arg(aPt->description());
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}
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MoveTrackPointCommand::MoveTrackPointCommand(TrackPoint* aPt, const Coord& aPos, MapLayer* aLayer)
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: Command(aPt), theLayer(aLayer), oldLayer(0), thePoint(aPt), OldPos(aPt->position()), NewPos(aPos)
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{
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        description = MainWindow::tr("Move node %1").arg(aPt->description());
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        redo();
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}
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MoveTrackPointCommand::~MoveTrackPointCommand(void)
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{
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        if (oldLayer)
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                oldLayer->decDirtyLevel(commandDirtyLevel);
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}
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void MoveTrackPointCommand::undo()
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{
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        Command::undo();
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        thePoint->setPosition(OldPos);
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        if (theLayer && oldLayer && (theLayer != oldLayer)) {
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                theLayer->remove(thePoint);
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                oldLayer->add(thePoint);
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                decDirtyLevel(oldLayer);
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        }
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}
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void MoveTrackPointCommand::redo()
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{
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        thePoint->setPosition(NewPos);
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        oldLayer = thePoint->layer();
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        if (theLayer && oldLayer && (theLayer != oldLayer)) {
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                oldLayer->remove(thePoint);
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                incDirtyLevel(oldLayer);
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                theLayer->add(thePoint);
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        }
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        Command::redo();
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}
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bool MoveTrackPointCommand::buildDirtyList(DirtyList &theList)
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{
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        if (isUndone)
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                return false;
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        if (thePoint->lastUpdated() == MapFeature::NotYetDownloaded)
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                return theList.noop(thePoint);
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        if (!thePoint->layer())
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                return theList.update(thePoint);
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        if (thePoint->isUploadable())
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                return theList.update(thePoint);
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        return theList.noop(thePoint);
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}
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bool MoveTrackPointCommand::toXML(QDomElement& xParent) const
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{
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        bool OK = true;
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        QDomElement e = xParent.ownerDocument().createElement("MoveTrackPointCommand");
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        xParent.appendChild(e);
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        e.setAttribute("xml:id", id());
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        e.setAttribute("trackpoint", thePoint->xmlId());
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        OldPos.toXML("oldpos", e);
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        NewPos.toXML("newpos", e);
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        if (theLayer)
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                e.setAttribute("layer", theLayer->id());
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        if (oldLayer)
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                e.setAttribute("oldlayer", oldLayer->id());
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        Command::toXML(e);
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        return OK;
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}
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MoveTrackPointCommand * MoveTrackPointCommand::fromXML(MapDocument * d, QDomElement e)
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{
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        MoveTrackPointCommand* a = new MoveTrackPointCommand();
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        a->setId(e.attribute("xml:id"));
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        a->OldPos = Coord::fromXML(e.firstChildElement("oldpos"));
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        a->NewPos = Coord::fromXML(e.firstChildElement("newpos"));
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        if (e.hasAttribute("layer"))
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                a->theLayer = d->getLayer(e.attribute("layer"));
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        else
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                a->theLayer = NULL;
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        if (e.hasAttribute("oldlayer"))
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                a->oldLayer = d->getLayer(e.attribute("oldlayer"));
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        else
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                a->oldLayer = NULL;
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        a->thePoint = MapFeature::getTrackPointOrCreatePlaceHolder(d, a->theLayer, e.attribute("trackpoint"));
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        a->description = MainWindow::tr("Move node %1").arg(a->thePoint->description());
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        Command::fromXML(d, e, a);
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        return a;
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}
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