[needs-docs] Add a "Make Default" checkbox in the datum transform sel…

…ection dialog If checked, the selected transformation will be set as a default for all newly created projects (this can later be changed in the usual place in Options - CRS) Sponsored by ICSM
qgis · Mar 22, 2019 · 3505eb9 · 3505eb9
1 parent cd01a5b
commit 3505eb9
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Showing 4 changed files with 47 additions and 5 deletions.
diff --git a/src/app/qgsdatumtransformtablewidget.cpp b/src/app/qgsdatumtransformtablewidget.cpp
@@ -197,7 +197,7 @@ QgsDatumTransformTableWidget::QgsDatumTransformTableWidget( QWidget *parent )
 
 void QgsDatumTransformTableWidget::addDatumTransform()
 {
-  QgsDatumTransformDialog dlg( QgsCoordinateReferenceSystem(), QgsCoordinateReferenceSystem(), true );
+  QgsDatumTransformDialog dlg( QgsCoordinateReferenceSystem(), QgsCoordinateReferenceSystem(), true, false );
   if ( dlg.exec() )
   {
     QPair< QPair<QgsCoordinateReferenceSystem, int>, QPair<QgsCoordinateReferenceSystem, int > > dt = dlg.selectedDatumTransforms();
@@ -250,7 +250,7 @@ void QgsDatumTransformTableWidget::editDatumTransform()
     if ( sourceCrs.isValid() && destinationCrs.isValid() &&
          ( sourceTransform != -1 || destinationTransform != -1 ) )
     {
-      QgsDatumTransformDialog dlg( sourceCrs, destinationCrs, true, qMakePair( sourceTransform, destinationTransform ) );
+      QgsDatumTransformDialog dlg( sourceCrs, destinationCrs, true, false, qMakePair( sourceTransform, destinationTransform ) );
       if ( dlg.exec() )
       {
         QPair< QPair<QgsCoordinateReferenceSystem, int>, QPair<QgsCoordinateReferenceSystem, int > > dt = dlg.selectedDatumTransforms();

diff --git a/src/gui/qgsdatumtransformdialog.cpp b/src/gui/qgsdatumtransformdialog.cpp
@@ -38,7 +38,7 @@ bool QgsDatumTransformDialog::run( const QgsCoordinateReferenceSystem &sourceCrs
     return true;
   }
 
-  QgsDatumTransformDialog dlg( sourceCrs, destinationCrs, false, qMakePair( -1, -1 ), parent );
+  QgsDatumTransformDialog dlg( sourceCrs, destinationCrs, false, true, qMakePair( -1, -1 ), parent );
   if ( dlg.shouldAskUserForSelection() )
   {
     if ( dlg.exec() )
@@ -62,7 +62,7 @@ bool QgsDatumTransformDialog::run( const QgsCoordinateReferenceSystem &sourceCrs
 }
 
 QgsDatumTransformDialog::QgsDatumTransformDialog( const QgsCoordinateReferenceSystem &sourceCrs,
-    const QgsCoordinateReferenceSystem &destinationCrs, const bool allowCrsChanges,
+    const QgsCoordinateReferenceSystem &destinationCrs, const bool allowCrsChanges, const bool showMakeDefault,
     QPair<int, int> selectedDatumTransforms,
     QWidget *parent,
     Qt::WindowFlags f )
@@ -73,6 +73,9 @@ QgsDatumTransformDialog::QgsDatumTransformDialog( const QgsCoordinateReferenceSy
 
   QgsGui::enableAutoGeometryRestore( this );
 
+  if ( !showMakeDefault )
+    mMakeDefaultCheckBox->setVisible( false );
+
   mDatumTransformTableWidget->setColumnCount( 2 );
   QStringList headers;
   headers << tr( "Source Transform" ) << tr( "Destination Transform" ) ;
@@ -224,6 +227,32 @@ QgsDatumTransformDialog::~QgsDatumTransformDialog()
   }
 }
 
+void QgsDatumTransformDialog::accept()
+{
+  if ( mMakeDefaultCheckBox->isChecked() && !mDatumTransformTableWidget->selectedItems().isEmpty() )
+  {
+    QgsSettings settings;
+    settings.beginGroup( QStringLiteral( "/Projections" ) );
+
+    QPair< QPair<QgsCoordinateReferenceSystem, int>, QPair<QgsCoordinateReferenceSystem, int > > dt = selectedDatumTransforms();
+
+    QString srcAuthId = dt.first.first.authid();
+    QString destAuthId = dt.second.first.authid();
+    int sourceDatumTransform = dt.first.second;
+    QString sourceDatumProj;
+    if ( sourceDatumTransform >= 0 )
+      sourceDatumProj = QgsDatumTransform::datumTransformToProj( sourceDatumTransform );
+    int destinationDatumTransform = dt.second.second;
+    QString destinationDatumProj;
+    if ( destinationDatumTransform >= 0 )
+      destinationDatumProj = QgsDatumTransform::datumTransformToProj( destinationDatumTransform );
+
+    settings.setValue( srcAuthId + "//" + destAuthId + "_srcTransform", sourceDatumProj );
+    settings.setValue( srcAuthId + "//" + destAuthId + "_destTransform", destinationDatumProj );
+  }
+  QDialog::accept();
+}
+
 bool QgsDatumTransformDialog::shouldAskUserForSelection()
 {
   if ( mDatumTransforms.count() > 1 )

diff --git a/src/gui/qgsdatumtransformdialog.h b/src/gui/qgsdatumtransformdialog.h
@@ -58,11 +58,14 @@ class GUI_EXPORT QgsDatumTransformDialog : public QDialog, private Ui::QgsDatumT
     QgsDatumTransformDialog( const QgsCoordinateReferenceSystem &sourceCrs = QgsCoordinateReferenceSystem(),
                              const QgsCoordinateReferenceSystem &destinationCrs = QgsCoordinateReferenceSystem(),
                              bool allowCrsChanges = false,
+                             bool showMakeDefault = true,
                              QPair<int, int> selectedDatumTransforms = qMakePair( -1, -1 ),
                              QWidget *parent = nullptr,
                              Qt::WindowFlags f = nullptr );
     ~QgsDatumTransformDialog() override;
 
+    void accept() override;
+
     /**
      * Returns the source and destination transforms, each being a pair of QgsCoordinateReferenceSystems and datum transform code
      * \since 3.0

diff --git a/src/ui/qgsdatumtransformdialogbase.ui b/src/ui/qgsdatumtransformdialogbase.ui
@@ -134,6 +134,16 @@
    </item>
    <item row="3" column="0" colspan="2">
     <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QCheckBox" name="mMakeDefaultCheckBox">
+       <property name="toolTip">
+        <string>If checked, the selected transformation will become the default choice in all new projects</string>
+       </property>
+       <property name="text">
+        <string>Make default</string>
+       </property>
+      </widget>
+     </item>
      <item>
       <spacer name="horizontalSpacer">
        <property name="orientation">
@@ -191,8 +201,8 @@
  </customwidgets>
  <tabstops>
   <tabstop>mDatumTransformTableWidget</tabstop>
+  <tabstop>mMakeDefaultCheckBox</tabstop>
   <tabstop>mHideDeprecatedCheckBox</tabstop>
-  <tabstop>mButtonBox</tabstop>
  </tabstops>
  <resources/>
  <connections>