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qgsprojectproperties.cpp
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qgsprojectproperties.cpp
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/***************************************************************************
qgsprojectproperties.cpp
Set various project properties (inherits qgsprojectpropertiesbase)
-------------------
begin : May 18, 2004
copyright : (C) 2004 by Gary E.Sherman
email : sherman at mrcc.com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/* $Id$ */
#include "qgsprojectproperties.h"
//qgis includes
#include "qgscontexthelp.h"
#include "qgscoordinatetransform.h"
#include "qgslogger.h"
#include "qgsmapcanvas.h"
#include "qgsmaplayer.h"
#include "qgsmaplayerregistry.h"
#include "qgsmaprenderer.h"
#include "qgsproject.h"
#include "qgsrenderer.h"
#include "qgssnappingdialog.h"
//qt includes
#include <QColorDialog>
#include "qgslogger.h"
//stdc++ includes
QgsProjectProperties::QgsProjectProperties( QgsMapCanvas* mapCanvas, QWidget *parent, Qt::WFlags fl )
: QDialog( parent, fl ), mMapCanvas( mapCanvas )
{
setupUi( this );
connect( buttonBox, SIGNAL( accepted() ), this, SLOT( accept() ) );
connect( buttonBox, SIGNAL( rejected() ), this, SLOT( reject() ) );
connect( buttonBox->button( QDialogButtonBox::Apply ), SIGNAL( clicked() ), this, SLOT( apply() ) );
connect( this, SIGNAL( accepted() ), this, SLOT( apply() ) );
///////////////////////////////////////////////////////////
// Properties stored in map canvas's QgsMapRenderer
// these ones are propagated to QgsProject by a signal
QgsMapRenderer* myRender = mMapCanvas->mapRenderer();
QGis::UnitType myUnit = myRender->mapUnits();
setMapUnits( myUnit );
//see if the user wants on the fly projection enabled
bool myProjectionEnabled = myRender->hasCrsTransformEnabled();
cbxProjectionEnabled->setChecked( myProjectionEnabled );
long myCRSID = myRender->destinationSrs().srsid();
QgsDebugMsg( "Read project CRSID: " + QString::number( myCRSID ) );
projectionSelector->setSelectedCrsId( myCRSID );
///////////////////////////////////////////////////////////
// Properties stored in QgsProject
title( QgsProject::instance()->title() );
// get the manner in which the number of decimal places in the mouse
// position display is set (manual or automatic)
bool automaticPrecision = QgsProject::instance()->readBoolEntry( "PositionPrecision", "/Automatic" );
if ( automaticPrecision )
{
radAutomatic->setChecked( true );
}
else
{
radManual->setChecked( true );
}
cbxAbsolutePath->setChecked( QgsProject::instance()->readBoolEntry( "Paths", "/Absolute", true ) );
int dp = QgsProject::instance()->readNumEntry( "PositionPrecision", "/DecimalPlaces" );
spinBoxDP->setValue( dp );
//get the colour selections and set the button colour accordingly
int myRedInt = QgsProject::instance()->readNumEntry( "Gui", "/SelectionColorRedPart", 255 );
int myGreenInt = QgsProject::instance()->readNumEntry( "Gui", "/SelectionColorGreenPart", 255 );
int myBlueInt = QgsProject::instance()->readNumEntry( "Gui", "/SelectionColorBluePart", 0 );
QColor myColour = QColor( myRedInt, myGreenInt, myBlueInt );
pbnSelectionColour->setColor( myColour );
//get the colour for map canvas background and set button colour accordingly (default white)
myRedInt = QgsProject::instance()->readNumEntry( "Gui", "/CanvasColorRedPart", 255 );
myGreenInt = QgsProject::instance()->readNumEntry( "Gui", "/CanvasColorGreenPart", 255 );
myBlueInt = QgsProject::instance()->readNumEntry( "Gui", "/CanvasColorBluePart", 255 );
myColour = QColor( myRedInt, myGreenInt, myBlueInt );
pbnCanvasColor->setColor( myColour );
//read the digitizing settings
int topologicalEditing = QgsProject::instance()->readNumEntry( "Digitizing", "/TopologicalEditing", 0 );
if ( topologicalEditing != 0 )
{
mEnableTopologicalEditingCheckBox->setCheckState( Qt::Checked );
}
else
{
mEnableTopologicalEditingCheckBox->setCheckState( Qt::Unchecked );
}
int avoidPolygonIntersections = QgsProject::instance()->readNumEntry( "Digitizing", "/AvoidPolygonIntersections", 0 );
if ( avoidPolygonIntersections != 0 )
{
mAvoidIntersectionsCheckBox->setCheckState( Qt::Checked );
}
else
{
mAvoidIntersectionsCheckBox->setCheckState( Qt::Unchecked );
}
bool ok;
bool toleranceUnitOk; //1.0 project files may not have a unit entry
QStringList layerIdList = QgsProject::instance()->readListEntry( "Digitizing", "/LayerSnappingList", &ok );
QStringList enabledList = QgsProject::instance()->readListEntry( "Digitizing", "/LayerSnappingEnabledList", &ok );
QStringList toleranceList = QgsProject::instance()->readListEntry( "Digitizing", "/LayerSnappingToleranceList", &ok );
QStringList toleranceUnitList = QgsProject::instance()->readListEntry( "Digitizing", "/LayerSnappingToleranceUnitList", &toleranceUnitOk );
QStringList snapToList = QgsProject::instance()->readListEntry( "Digitizing", "/LayerSnapToList", &ok );
QStringList::const_iterator idIter = layerIdList.constBegin();
QStringList::const_iterator enabledIter = enabledList.constBegin();
QStringList::const_iterator tolIter = toleranceList.constBegin();
QStringList::const_iterator tolUnitIter = toleranceUnitList.constBegin();
QStringList::const_iterator snapToIter = snapToList.constBegin();
QgsMapLayer* currentLayer = 0;
//create the new layer entries
for ( ; idIter != layerIdList.constEnd(); ++idIter, ++enabledIter, ++tolIter, ++tolUnitIter, ++snapToIter )
{
currentLayer = QgsMapLayerRegistry::instance()->mapLayer( *idIter );
if ( currentLayer )
{
LayerEntry newEntry;
newEntry.layerName = currentLayer->name();
if (( *enabledIter ) == "enabled" )
{
newEntry.checked = true;
}
else
{
newEntry.checked = false;
}
if (( *snapToIter ) == "to_vertex" )
{
newEntry.snapTo = 0;
}
else if (( *snapToIter ) == "to_segment" )
{
newEntry.snapTo = 1;
}
else //to vertex and segment
{
newEntry.snapTo = 2;
}
newEntry.tolerance = tolIter->toDouble();
if(toleranceUnitOk)
{
newEntry.toleranceUnit = tolUnitIter->toInt();
}
else
{
newEntry.toleranceUnit = 0;
}
mSnappingLayerSettings.insert( *idIter, newEntry );
}
}
}
QgsProjectProperties::~QgsProjectProperties()
{}
// return the map units
QGis::UnitType QgsProjectProperties::mapUnits() const
{
return mMapCanvas->mapRenderer()->mapUnits();
}
void QgsProjectProperties::setMapUnits( QGis::UnitType unit )
{
// select the button
if ( unit == QGis::UnknownUnit )
{
unit = QGis::Meters;
}
if ( unit == QGis::Meters )
{
radMeters->setChecked( true );
}
else if ( unit == QGis::Feet )
{
radFeet->setChecked( true );
}
else
{
radDecimalDegrees->setChecked( true );
}
mMapCanvas->mapRenderer()->setMapUnits( unit );
}
QString QgsProjectProperties::title() const
{
return titleEdit->text();
} // QgsProjectPropertires::title() const
void QgsProjectProperties::title( QString const & title )
{
titleEdit->setText( title );
QgsProject::instance()->title( title );
} // QgsProjectProperties::title( QString const & title )
//when user clicks apply button
void QgsProjectProperties::apply()
{
// Set the map units
// Note. Qt 3.2.3 and greater have a function selectedId() that
// can be used instead of the two part technique here
QGis::UnitType mapUnit;
if ( radMeters->isChecked() )
{
mapUnit = QGis::Meters;
}
else if ( radFeet->isChecked() )
{
mapUnit = QGis::Feet;
}
else
{
mapUnit = QGis::Degrees;
}
QgsMapRenderer* myRender = mMapCanvas->mapRenderer();
myRender->setMapUnits( mapUnit );
myRender->setProjectionsEnabled( cbxProjectionEnabled->isChecked() );
// Only change the projection if there is a node in the tree
// selected that has an srid. This prevents error if the user
// selects a top-level node rather than an actual coordinate
// system
long myCRSID = projectionSelector->selectedCrsId();
if ( myCRSID )
{
QgsCoordinateReferenceSystem srs( myCRSID, QgsCoordinateReferenceSystem::InternalCrsId );
myRender->setDestinationSrs( srs );
// write the currently selected projections _proj string_ to project settings
QgsDebugMsg( QString( "SpatialRefSys/ProjectCRSProj4String: %1" ).arg( projectionSelector->selectedProj4String() ) );
QgsProject::instance()->writeEntry( "SpatialRefSys", "/ProjectCRSProj4String", projectionSelector->selectedProj4String() );
// Set the map units to the projected coordinates if we are projecting
if ( isProjected() )
{
// If we couldn't get the map units, default to the value in the
// projectproperties dialog box (set above)
if ( srs.mapUnits() != QGis::UnknownUnit )
myRender->setMapUnits( srs.mapUnits() );
}
}
// Set the project title
QgsProject::instance()->title( title() );
// set the mouse display precision method and the
// number of decimal places for the manual option
// Note. Qt 3.2.3 and greater have a function selectedId() that
// can be used instead of the two part technique here
QgsProject::instance()->writeEntry( "PositionPrecision", "/Automatic", radAutomatic->isChecked() );
QgsProject::instance()->writeEntry( "PositionPrecision", "/DecimalPlaces", spinBoxDP->value() );
// Announce that we may have a new display precision setting
emit displayPrecisionChanged();
QgsProject::instance()->writeEntry( "Paths", "/Absolute", cbxAbsolutePath->isChecked() );
//set the colour for selections
QColor myColour = pbnSelectionColour->color();
QgsProject::instance()->writeEntry( "Gui", "/SelectionColorRedPart", myColour.red() );
QgsProject::instance()->writeEntry( "Gui", "/SelectionColorGreenPart", myColour.green() );
QgsProject::instance()->writeEntry( "Gui", "/SelectionColorBluePart", myColour.blue() );
QgsRenderer::setSelectionColor( myColour );
//set the colour for canvas
myColour = pbnCanvasColor->color();
QgsProject::instance()->writeEntry( "Gui", "/CanvasColorRedPart", myColour.red() );
QgsProject::instance()->writeEntry( "Gui", "/CanvasColorGreenPart", myColour.green() );
QgsProject::instance()->writeEntry( "Gui", "/CanvasColorBluePart", myColour.blue() );
//write the digitizing settings
int topologicalEditingEnabled = ( mEnableTopologicalEditingCheckBox->checkState() == Qt::Checked ) ? 1 : 0;
QgsProject::instance()->writeEntry( "Digitizing", "/TopologicalEditing", topologicalEditingEnabled );
int avoidPolygonIntersectionsEnabled = ( mAvoidIntersectionsCheckBox->checkState() == Qt::Checked ) ? 1 : 0;
QgsProject::instance()->writeEntry( "Digitizing", "/AvoidPolygonIntersections", avoidPolygonIntersectionsEnabled );
QMap<QString, LayerEntry>::const_iterator layerEntryIt;
//store the layer snapping settings as string lists
QStringList layerIdList;
QStringList snapToList;
QStringList toleranceList;
QStringList enabledList;
QStringList toleranceUnitList;
for ( layerEntryIt = mSnappingLayerSettings.constBegin(); layerEntryIt != mSnappingLayerSettings.constEnd(); ++layerEntryIt )
{
layerIdList << layerEntryIt.key();
toleranceList << QString::number( layerEntryIt->tolerance, 'f' );
toleranceUnitList << QString::number(( int )layerEntryIt->toleranceUnit );
if ( layerEntryIt->checked )
{
enabledList << "enabled";
}
else
{
enabledList << "disabled";
}
if ( layerEntryIt->snapTo == 0 )
{
snapToList << "to_vertex";
}
else if ( layerEntryIt->snapTo == 1 )
{
snapToList << "to_segment";
}
else //to vertex and segment
{
snapToList << "to_vertex_and_segment";
}
}
if ( mSnappingLayerSettings.size() > 0 )
{
QgsProject::instance()->writeEntry( "Digitizing", "/LayerSnappingList", layerIdList );
QgsProject::instance()->writeEntry( "Digitizing", "/LayerSnapToList", snapToList );
QgsProject::instance()->writeEntry( "Digitizing", "/LayerSnappingToleranceList", toleranceList );
QgsProject::instance()->writeEntry( "Digitizing", "/LayerSnappingToleranceUnitList", toleranceUnitList );
QgsProject::instance()->writeEntry( "Digitizing", "/LayerSnappingEnabledList", enabledList );
}
//todo XXX set canvas colour
emit refresh();
}
bool QgsProjectProperties::isProjected()
{
return cbxProjectionEnabled->isChecked();
}
void QgsProjectProperties::showProjectionsTab()
{
tabWidget->setCurrentIndex( 1 );
}
void QgsProjectProperties::on_pbnSelectionColour_clicked()
{
QColor color = QColorDialog::getColor( pbnSelectionColour->color(), this );
if ( color.isValid() )
{
pbnSelectionColour->setColor( color );
}
}
void QgsProjectProperties::on_pbnCanvasColor_clicked()
{
QColor color = QColorDialog::getColor( pbnCanvasColor->color(), this );
if ( color.isValid() )
{
pbnCanvasColor->setColor( color );
}
}
void QgsProjectProperties::on_buttonBox_helpRequested()
{
QgsDebugMsg( "running help" );
QgsContextHelp::run( context_id );
}
void QgsProjectProperties::on_mSnappingOptionsPushButton_clicked()
{
QgsSnappingDialog d( mMapCanvas, mSnappingLayerSettings );
if ( d.exec() == QDialog::Accepted )
{
//retrieve the new layer snapping settings from the dialog
d.layerSettings( mSnappingLayerSettings );
}
}