113 changes: 80 additions & 33 deletions src/gui/qgsdatumtransformdialog.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,45 +17,81 @@

#include "qgsdatumtransformdialog.h"
#include "qgscoordinatetransform.h"
#include "qgslogger.h"

#include <QDir>
#include <QSettings>

QgsDatumTransformDialog::QgsDatumTransformDialog( const QString& layerName, const QList< QList< int > >& dt, QWidget* parent, Qt::WindowFlags f ): QDialog( parent, f )
QgsDatumTransformDialog::QgsDatumTransformDialog( const QString& layerName, const QList< QList< int > > &dt, QWidget *parent, Qt::WindowFlags f )
: QDialog( parent, f )
, mDt( dt )
{
setupUi( this );

QApplication::setOverrideCursor( Qt::ArrowCursor );

setWindowTitle( tr( "Select datum transformations for layer" ) + " " + layerName );
QList< QList< int > >::const_iterator it = dt.constBegin();
for ( ; it != dt.constEnd(); ++it )

QSettings settings;
restoreGeometry( settings.value( "/Windows/DatumTransformDialog/geometry" ).toByteArray() );
mHideDeprecatedCheckBox->setChecked( settings.value( "/Windows/DatumTransformDialog/hideDeprecated", false ).toBool() );
mRememberSelectionCheckBox->setChecked( settings.value( "/Windows/DatumTransformDialog/rememberSelection", false ).toBool() );

for ( int i = 0; i < 2; i++ )
{
mDatumTransformTreeWidget->setColumnWidth( i, settings.value( QString( "/Windows/DatumTransformDialog/columnWidths/%1" ).arg( i ), mDatumTransformTreeWidget->columnWidth( i ) ).toInt() );
}

load();
}

void QgsDatumTransformDialog::load()
{
QgsDebugMsg( "Entered." );

mDatumTransformTreeWidget->clear();

QList< QList< int > >::const_iterator it = mDt.constBegin();
for ( ; it != mDt.constEnd(); ++it )
{
QTreeWidgetItem* item = new QTreeWidgetItem();
QTreeWidgetItem *item = new QTreeWidgetItem();
bool itemDisabled = false;

for ( int i = 0; i < 2; ++i )
for ( int i = 0; i < 2 && i < it->size(); ++i )
{
if ( i >= it->size() )
{
break;
}

int nr = it->at( i );
item->setData( i, Qt::UserRole, nr );
if ( nr != -1 )
{
item->setText( i, QgsCoordinateTransform::datumTransformString( nr ) );

//Describe datums in a tooltip
QString srcGeoProj, destGeoProj;
int epsgNr;
if ( QgsCoordinateTransform::datumTransformCrsInfo( nr, epsgNr, srcGeoProj, destGeoProj ) )
{
QString toolTipString;
if ( epsgNr > 0 )
{
toolTipString.append( QString( "EPSG Transformations Code: %1\n" ).arg( epsgNr ) );
}
toolTipString.append( QString( "Source CRS: %1\nDestination CRS: %2" ).arg( srcGeoProj ).arg( destGeoProj ) );
item->setToolTip( i, toolTipString );
}
}
if ( nr == -1 )
continue;

item->setText( i, QgsCoordinateTransform::datumTransformString( nr ) );

//Describe datums in a tooltip
QString srcGeoProj, destGeoProj, remarks, scope;
int epsgNr;
bool preferred, deprecated;
if ( !QgsCoordinateTransform::datumTransformCrsInfo( nr, epsgNr, srcGeoProj, destGeoProj, remarks, scope, preferred, deprecated ) )
continue;

if ( mHideDeprecatedCheckBox->isChecked() && deprecated )
continue;

QString toolTipString;
if ( epsgNr > 0 )
toolTipString.append( QString( "<p><b>EPSG Transformations Code:</b> %1</p>" ).arg( epsgNr ) );

toolTipString.append( QString( "<p><b>Source CRS:</b> %1</p><p><b>Destination CRS:</b> %2</p>" ).arg( srcGeoProj ).arg( destGeoProj ) );

if ( !remarks.isEmpty() )
toolTipString.append( QString( "<p><b>Remarks:</b> %1</p>" ).arg( remarks ) );
if ( !scope.isEmpty() )
toolTipString.append( QString( "<p><b>Scope:</b> %1</p>" ).arg( scope ) );
if ( preferred )
toolTipString.append( "<p><b>Preferred transformation</b></p>" );
if ( deprecated )
toolTipString.append( "<p><b>Deprecated transformation</b></p>" );

item->setToolTip( i, toolTipString );

if ( gridShiftTransformation( item->text( i ) ) && !testGridShiftFileAvailability( item, i ) )
{
Expand All @@ -69,11 +105,17 @@ QgsDatumTransformDialog::QgsDatumTransformDialog( const QString& layerName, cons

QgsDatumTransformDialog::~QgsDatumTransformDialog()
{
}
QSettings settings;
settings.setValue( "/Windows/DatumTransformDialog/geometry", saveGeometry() );
settings.setValue( "/Windows/DatumTransformDialog/hideDeprecated", mHideDeprecatedCheckBox->isChecked() );
settings.setValue( "/Windows/DatumTransformDialog/rememberSelection", mRememberSelectionCheckBox->isChecked() );

QgsDatumTransformDialog::QgsDatumTransformDialog(): QDialog()
{
setupUi( this );
for ( int i = 0; i < 2; i++ )
{
settings.setValue( QString( "/Windows/DatumTransformDialog/columnWidths/%1" ).arg( i ), mDatumTransformTreeWidget->columnWidth( i ) );
}

QApplication::restoreOverrideCursor();
}

QList< int > QgsDatumTransformDialog::selectedDatumTransform()
Expand All @@ -98,7 +140,7 @@ bool QgsDatumTransformDialog::rememberSelection() const

bool QgsDatumTransformDialog::gridShiftTransformation( const QString& itemText ) const
{
return ( !itemText.isEmpty() && !itemText.contains( "towgs84", Qt::CaseInsensitive ) );
return !itemText.isEmpty() && !itemText.contains( "towgs84", Qt::CaseInsensitive );
}

bool QgsDatumTransformDialog::testGridShiftFileAvailability( QTreeWidgetItem* item, int col ) const
Expand Down Expand Up @@ -149,3 +191,8 @@ bool QgsDatumTransformDialog::testGridShiftFileAvailability( QTreeWidgetItem* it
}
return true;
}

void QgsDatumTransformDialog::on_mHideDeprecatedCheckBox_stateChanged( int )
{
load();
}
6 changes: 6 additions & 0 deletions src/gui/qgsdatumtransformdialog.h
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Original file line number Diff line number Diff line change
Expand Up @@ -30,11 +30,17 @@ class GUI_EXPORT QgsDatumTransformDialog: public QDialog, private Ui::QgsDatumTr

bool rememberSelection() const;

public slots:
void on_mHideDeprecatedCheckBox_stateChanged( int state );

private:
QgsDatumTransformDialog();
bool gridShiftTransformation( const QString& itemText ) const;
/**Returns false if the location of the grid shift files is known (PROJ_LIB) and the shift file is not there*/
bool testGridShiftFileAvailability( QTreeWidgetItem* item, int col ) const;
void load();

const QList< QList< int > > &mDt;
};

#endif // QGSDATUMTRANSFORMDIALOG_H
27 changes: 17 additions & 10 deletions src/ui/qgsdatumtransformdialogbase.ui
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Original file line number Diff line number Diff line change
Expand Up @@ -15,16 +15,20 @@
</property>
<layout class="QGridLayout" name="gridLayout">
<item row="2" column="0">
<widget class="QDialogButtonBox" name="buttonBox">
<property name="orientation">
<enum>Qt::Horizontal</enum>
<widget class="QCheckBox" name="mRememberSelectionCheckBox">
<property name="text">
<string>Remember selection</string>
</property>
<property name="standardButtons">
<set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
</widget>
</item>
<item row="2" column="1" alignment="Qt::AlignRight">
<widget class="QCheckBox" name="mHideDeprecatedCheckBox">
<property name="text">
<string>Hide deprecated</string>
</property>
</widget>
</item>
<item row="0" column="0">
<item row="0" column="0" colspan="2">
<widget class="QTreeWidget" name="mDatumTransformTreeWidget">
<column>
<property name="text">
Expand All @@ -43,10 +47,13 @@
</column>
</widget>
</item>
<item row="1" column="0">
<widget class="QCheckBox" name="mRememberSelectionCheckBox">
<property name="text">
<string>Remember selection</string>
<item row="4" column="0" colspan="2">
<widget class="QDialogButtonBox" name="buttonBox">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="standardButtons">
<set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
</property>
</widget>
</item>
Expand Down