From 1e6c400548f9b24e5a256af9202d8aaa60a4f825 Mon Sep 17 00:00:00 2001
From: Marco Hugentobler <marco.hugentobler@sourcepole.ch>
Date: Tue, 5 Jun 2012 09:29:28 +0200
Subject: [PATCH] Wire in QgsRasterLayerSaveAsDialog in QgisApp

---
 src/app/qgisapp.cpp                      | 13 ++++++++-
 src/gui/CMakeLists.txt                   |  1 +
 src/gui/qgsrasterlayersaveasdialog.cpp   | 36 ++++++++++++++++++++++++
 src/gui/qgsrasterlayersaveasdialog.h     |  5 ++++
 src/ui/qgsrasterlayersaveasdialogbase.ui | 10 +++----
 5 files changed, 59 insertions(+), 6 deletions(-)

diff --git a/src/app/qgisapp.cpp b/src/app/qgisapp.cpp
index 7f601eb07f4c..300960e031c3 100644
--- a/src/app/qgisapp.cpp
+++ b/src/app/qgisapp.cpp
@@ -158,6 +158,7 @@
 #include "qgspythonrunner.h"
 #include "qgsquerybuilder.h"
 #include "qgsrastercalcdialog.h"
+#include "qgsrasterfilewriter.h"
 #include "qgsrasterlayer.h"
 #include "qgsrasterlayerproperties.h"
 #include "qgsrasterrenderer.h"
@@ -3771,7 +3772,17 @@ void QgisApp::saveAsRasterFile()
   }
 
   QgsRasterLayerSaveAsDialog d( rasterLayer->dataProvider() );
-  d.exec();
+  if ( d.exec() == QDialog::Accepted )
+  {
+    QgsRasterFileWriter fileWriter( d.outputFileName() );
+    if ( d.tileMode() )
+    {
+      fileWriter.setTiledMode( true );
+      fileWriter.setMaxTileWidth( d.maximumTileSizeX() );
+      fileWriter.setMaxTileHeight( d.maximumTileSizeY() );
+    }
+    fileWriter.writeRaster( rasterLayer->dataProvider(), d.nColumns() );
+  }
 }
 
 void QgisApp::saveAsFile()
diff --git a/src/gui/CMakeLists.txt b/src/gui/CMakeLists.txt
index b1e3d0b7de73..4909eeb2930b 100644
--- a/src/gui/CMakeLists.txt
+++ b/src/gui/CMakeLists.txt
@@ -153,6 +153,7 @@ qgscredentialdialog.h
 qgsowssourceselect.h
 qgsprojectionselector.h
 qgsquickprint.h
+qgsrasterlayersaveasdialog.h
 qgsludialog.h
 qgsprojectbadlayerguihandler.h
 qgslonglongvalidator.h
diff --git a/src/gui/qgsrasterlayersaveasdialog.cpp b/src/gui/qgsrasterlayersaveasdialog.cpp
index 7774ad61ca1d..0b9fcf67faa8 100644
--- a/src/gui/qgsrasterlayersaveasdialog.cpp
+++ b/src/gui/qgsrasterlayersaveasdialog.cpp
@@ -1,5 +1,6 @@
 #include "qgsrasterlayersaveasdialog.h"
 #include "qgsrasterdataprovider.h"
+#include <QFileDialog>
 
 QgsRasterLayerSaveAsDialog::QgsRasterLayerSaveAsDialog( QgsRasterDataProvider* sourceProvider,
     QWidget* parent, Qt::WindowFlags f ): QDialog( parent, f ),
@@ -30,6 +31,12 @@ QgsRasterLayerSaveAsDialog::QgsRasterLayerSaveAsDialog( QgsRasterDataProvider* s
       mMaximumSizeYLineEdit->setText( QString::number( 2000 ) );
     }
   }
+
+  QPushButton* okButton = mButtonBox->button( QDialogButtonBox::Ok );
+  if ( okButton )
+  {
+    okButton->setEnabled( false );
+  }
 }
 
 void QgsRasterLayerSaveAsDialog::setValidators()
@@ -44,6 +51,35 @@ QgsRasterLayerSaveAsDialog::~QgsRasterLayerSaveAsDialog()
 {
 }
 
+void QgsRasterLayerSaveAsDialog::on_mBrowseButton_clicked()
+{
+  QString fileName;
+  if ( mTileModeCheckBox->isChecked() )
+  {
+    fileName = QFileDialog::getExistingDirectory( this, tr( "Select output directory" ) );
+  }
+  else
+  {
+    fileName = QFileDialog::getOpenFileName( this, tr( "Select output file" ) );
+  }
+
+  if ( !fileName.isEmpty() )
+  {
+    mSaveAsLineEdit->setText( fileName );
+  }
+}
+
+void QgsRasterLayerSaveAsDialog::on_mSaveAsLineEdit_textChanged( const QString& text )
+{
+  QPushButton* okButton = mButtonBox->button( QDialogButtonBox::Ok );
+  if ( !okButton )
+  {
+    return;
+  }
+
+  okButton->setEnabled( QFile::exists( text ) );
+}
+
 int QgsRasterLayerSaveAsDialog::nColumns() const
 {
   return mColumnsLineEdit->text().toInt();
diff --git a/src/gui/qgsrasterlayersaveasdialog.h b/src/gui/qgsrasterlayersaveasdialog.h
index 3cd7288a18e9..631ea93235cc 100644
--- a/src/gui/qgsrasterlayersaveasdialog.h
+++ b/src/gui/qgsrasterlayersaveasdialog.h
@@ -7,6 +7,7 @@ class QgsRasterDataProvider;
 
 class QgsRasterLayerSaveAsDialog: public QDialog, private Ui::QgsRasterLayerSaveAsDialogBase
 {
+    Q_OBJECT
   public:
     QgsRasterLayerSaveAsDialog( QgsRasterDataProvider* sourceProvider, QWidget* parent = 0, Qt::WindowFlags f = 0 );
     ~QgsRasterLayerSaveAsDialog();
@@ -19,6 +20,10 @@ class QgsRasterLayerSaveAsDialog: public QDialog, private Ui::QgsRasterLayerSave
     QString outputFileName() const;
     QString outputFormat() const;
 
+  private slots:
+    void on_mBrowseButton_clicked();
+    void on_mSaveAsLineEdit_textChanged( const QString& text );
+
   private:
     QgsRasterDataProvider* mDataProvider;
 
diff --git a/src/ui/qgsrasterlayersaveasdialogbase.ui b/src/ui/qgsrasterlayersaveasdialogbase.ui
index e1178d915bad..604147dbebb4 100644
--- a/src/ui/qgsrasterlayersaveasdialogbase.ui
+++ b/src/ui/qgsrasterlayersaveasdialogbase.ui
@@ -40,14 +40,14 @@
    <item row="1" column="1">
     <widget class="QLineEdit" name="mSaveAsLineEdit">
      <property name="enabled">
-      <bool>false</bool>
+      <bool>true</bool>
      </property>
     </widget>
    </item>
    <item row="1" column="2">
     <widget class="QPushButton" name="mBrowseButton">
      <property name="enabled">
-      <bool>false</bool>
+      <bool>true</bool>
      </property>
      <property name="text">
       <string>Browse...</string>
@@ -115,7 +115,7 @@
     </widget>
    </item>
    <item row="4" column="0" colspan="2">
-    <widget class="QDialogButtonBox" name="buttonBox">
+    <widget class="QDialogButtonBox" name="mButtonBox">
      <property name="orientation">
       <enum>Qt::Horizontal</enum>
      </property>
@@ -129,7 +129,7 @@
  <resources/>
  <connections>
   <connection>
-   <sender>buttonBox</sender>
+   <sender>mButtonBox</sender>
    <signal>accepted()</signal>
    <receiver>QgsRasterLayerSaveAsDialogBase</receiver>
    <slot>accept()</slot>
@@ -145,7 +145,7 @@
    </hints>
   </connection>
   <connection>
-   <sender>buttonBox</sender>
+   <sender>mButtonBox</sender>
    <signal>rejected()</signal>
    <receiver>QgsRasterLayerSaveAsDialogBase</receiver>
    <slot>reject()</slot>