[ADD] more work on the dataset browser

src/gui/qt4/CMakeLists.txt

 # Package dependencies:
 FIND_PACKAGE( Qt4 REQUIRED )
+FIND_PACKAGE( Boost REQUIRED signals  )
 
 # Includes:
 INCLUDE_DIRECTORIES( ${QT_INCLUDE_DIR} )
@@ -12,15 +13,16 @@ SET( QT_LIBS ${QT_QTCORE_LIBRARY}
 # add here all classes that inherit from QObject 
 SET(GUI_QT4_MOC_HDRS
   WMainWindow.h
-  WQtDatasetBrowser.h
-  WQtDSBWidget.h
-  WQtNumberEdit.h
+  datasetbrowser/WQtDatasetBrowser.h
+  datasetbrowser/WQtDSBWidget.h
+  datasetbrowser/WQtNumberEdit.h
+  datasetbrowser/WQtTreeWidget.h
 )
 
 QT4_WRAP_CPP(GUI_QT4_MOC_SRCS ${GUI_QT4_MOC_HDRS} )
 
-FILE(GLOB GUI_QT4_SRC "*.cpp")
+FILE(GLOB GUI_QT4_SRC "*.cpp" "datasetbrowser/*cpp" )
 
 ADD_LIBRARY( guiqt4 SHARED ${GUI_QT4_SRC} ${GUI_QT4_MOC_SRCS} )
 
-TARGET_LINK_LIBRARIES( guiqt4 common gui ge kernel ${QT_LIBS} )
+TARGET_LINK_LIBRARIES( guiqt4 common gui ge kernel ${QT_LIBS} ${Boost_LIBRARIES})

src/gui/qt4/WMainWindow.cpp

@@ -37,7 +37,7 @@
 #include "WQtGLWidget.h"
 #include "WQtRibbonMenu.h"
 
-#include "WQtDatasetBrowser.h"
+#include "datasetbrowser/WQtDatasetBrowser.h"
 #include "../../kernel/WKernel.h"
 
 #include "../icons/logoIcon.xpm"
@@ -91,6 +91,8 @@ void WMainWindow::setupGUI( QMainWindow *MainWindow )
     m_datasetBrowser->addSubject( "subject1" );
     m_datasetBrowser->addDataset( 0, "mr188_t1" );
     m_datasetBrowser->addDataset( 0, "mr188_evec" );
+    m_datasetBrowser->addDataset( 0, "mr188_t2" );
+    m_datasetBrowser->addDataset( 0, "mr188_rgb" );
 
     MainWindow->setWindowTitle( QApplication::translate( "MainWindow",
             "OpenWalnut", 0, QApplication::UnicodeUTF8 ) );

src/gui/qt4/WQtDSBWidget.cpp → src/gui/qt4/datasetbrowser/WQtDSBWidget.cpp

@@ -30,9 +30,9 @@
 
 WQtDSBWidget::WQtDSBWidget( std::string name, QWidget* parent  )
     : QWidget( parent ),
-    m_name( name.c_str() )
+    m_name( name.c_str() ),
+    m_layout()
 {
-    m_layout = new QGridLayout();
 }
 
 
@@ -43,30 +43,30 @@ WQtDSBWidget::~WQtDSBWidget()
 
 QPushButton* WQtDSBWidget::addPushButton( std::string label )
 {
-    int row = m_layout->rowCount();
+    int row = m_layout.rowCount();
 
     QPushButton* button = new QPushButton();
     button->setText( QString( label.c_str() ) );
 
-    m_layout->addWidget( button, row, 0 );
+    m_layout.addWidget( button, row, 0 );
 
-    setLayout( m_layout );
+    setLayout( &m_layout );
     return button;
 }
 
 
 QCheckBox* WQtDSBWidget::addCheckBox( std::string label, bool isChecked )
 {
-    int row = m_layout->rowCount();
+    int row = m_layout.rowCount();
     QLabel* qlabel = new QLabel( label.c_str() );
 
     QCheckBox* checkBox = new QCheckBox();
     checkBox->setChecked( isChecked );
 
-    m_layout->addWidget( qlabel, row, 0 );
-    m_layout->addWidget( checkBox, row, 1 );
+    m_layout.addWidget( qlabel, row, 0 );
+    m_layout.addWidget( checkBox, row, 1 );
 
-    setLayout( m_layout );
+    setLayout( &m_layout );
 
     return checkBox;
 }
@@ -74,41 +74,36 @@ QCheckBox* WQtDSBWidget::addCheckBox( std::string label, bool isChecked )
 
 QLineEdit* WQtDSBWidget::addLineEdit( std::string label, std::string text )
 {
-    int row = m_layout->rowCount();
+    int row = m_layout.rowCount();
     QLabel* qlabel = new QLabel( label.c_str() );
 
     QLineEdit* lineEdit = new QLineEdit();
     lineEdit->setText( QString( text.c_str() ) );
 
-    m_layout->addWidget( qlabel, row, 0 );
-    m_layout->addWidget( lineEdit, row, 1 );
+    m_layout.addWidget( qlabel, row, 0 );
+    m_layout.addWidget( lineEdit, row, 1 );
 
-    setLayout( m_layout );
+    setLayout( &m_layout );
 
     return lineEdit;
 }
 
 
-QSlider* WQtDSBWidget::addSliderInt( std::string label, int value, int min, int max )
+WQtSliderWithEdit* WQtDSBWidget::addSliderInt( std::string label, int value, int min, int max )
 {
-    int row = m_layout->rowCount();
+    int row = m_layout.rowCount();
     QLabel* qlabel = new QLabel( label.c_str() );
 
-    QSlider* slider = new QSlider( Qt::Horizontal );
-    slider->setMinimum( min );
-    slider->setMaximum( max );
-    slider->setValue( value );
-
-    WQtNumberEdit* numberEdit = new WQtNumberEdit();
+    WQtSliderWithEdit* slider = new WQtSliderWithEdit();
 
-    m_layout->addWidget( qlabel, row, 0 );
-    m_layout->addWidget( slider, row, 1 );
-    m_layout->addWidget( numberEdit, row+1, 1 );
+    slider->setMin( min );
+    slider->setMax( max );
+    slider->setValue( value );
 
-    setLayout( m_layout );
+    m_layout.addWidget( qlabel, row, 0 );
+    m_layout.addWidget( slider, row, 1 );
 
-    connect( slider, SIGNAL( valueChanged( int ) ), numberEdit, SLOT( setInt( int ) ) );
-    connect( numberEdit, SIGNAL( signalNumber( int ) ), slider, SLOT( setValue( int ) ) );
+    setLayout( &m_layout );
 
     return slider;
 }

src/gui/qt4/WQtDSBWidget.h → src/gui/qt4/datasetbrowser/WQtDSBWidget.h

@@ -36,6 +36,8 @@
 #include <QtGui/QWidget>
 #include <QtGui/QLCDNumber>
 
+#include "WQtSliderWithEdit.h"
+
 /**
  * TODO(schurade): Document this!
  */
@@ -72,7 +74,7 @@ public:
     /**
      *
      */
-    QSlider* addSliderInt( std::string label = "", int value = 0, int min = 0, int max = 100 );
+    WQtSliderWithEdit* addSliderInt( std::string label = "", int value = 0, int min = 0, int max = 100 );
 
     /**
      *
@@ -81,8 +83,8 @@ public:
 
 protected:
 private:
-    QGridLayout* m_layout;
     QString m_name;
+    QGridLayout m_layout;
 };
 
 #endif  // WQTDSBWIDGET_H

src/gui/qt4/WQtDatasetBrowser.cpp → src/gui/qt4/datasetbrowser/WQtDatasetBrowser.cpp

@@ -22,35 +22,54 @@
 //
 //---------------------------------------------------------------------------
 
+#include <iostream>
 #include <string>
 
 #include <QtCore/QList>
 
-#include "../../common/WLogger.h"
+#include "../../../common/WLogger.h"
 
 #include "WQtDatasetBrowser.h"
+#include "WQtNumberEdit.h"
 
 WQtDatasetBrowser::WQtDatasetBrowser( QWidget* parent )
     : QDockWidget( parent )
 {
     m_panel = new QWidget( this );
-    m_treeWidget = new QTreeWidget( m_panel );
+    m_treeWidget = new WQtTreeWidget( m_panel );
 
     m_treeWidget->setHeaderLabel( QString( "Dataset Browser" ) );
+    m_treeWidget->setDragEnabled( true );
+    m_treeWidget->viewport()->setAcceptDrops( true );
+    m_treeWidget->setDropIndicatorShown( true );
+    m_treeWidget->setDragDropMode( QAbstractItemView::InternalMove );
+
     m_tabWidget = new QTabWidget( m_panel );
 
     m_layout = new QVBoxLayout();
 
+    QHBoxLayout* buttonLayout = new QHBoxLayout();
+    m_downButton = new QPushButton();
+    m_downButton->setText( QString( "down" ) );
+    m_upButton = new QPushButton();
+    m_upButton->setText( QString( "up" ) );
+    buttonLayout->addWidget( m_downButton );
+    buttonLayout->addWidget( m_upButton );
+
+    //========================================================================
+    // TODO(Schurade): only for testing, will be removed soon
     WQtDSBWidget* tab1 = new WQtDSBWidget( "settings" );
     tab1->addPushButton( "button1" );
     tab1->addPushButton( "button2" );
     tab1->addCheckBox( "box1:", true );
     tab1->addCheckBox( "box2:", false );
     tab1->addLineEdit( "text:", "some text" );
-    tab1->addSliderInt( "slider:" , 50, 0, 100 );
+    WQtSliderWithEdit* slider = tab1->addSliderInt( "slider:" , 50, 0, 100 );
     addTabWidgetContent( tab1 );
+    //========================================================================
 
     m_layout->addWidget( m_treeWidget );
+    m_layout->addLayout( buttonLayout );
     m_layout->addWidget( m_tabWidget );
 
     m_panel->setLayout( m_layout );
@@ -59,6 +78,8 @@ WQtDatasetBrowser::WQtDatasetBrowser( QWidget* parent )
     this->setFeatures( QDockWidget::DockWidgetMovable | QDockWidget::DockWidgetFloatable );
     this->setWidget( m_panel );
 
+    slider->getboostSignalObject()->connect( boost::bind( &WQtDatasetBrowser::testBoostSignal, this, _1 ) );
+
     connectSlots();
 }
 
@@ -69,7 +90,9 @@ WQtDatasetBrowser::~WQtDatasetBrowser()
 
 void WQtDatasetBrowser::connectSlots()
 {
-    connect( m_treeWidget, SIGNAL( itemSelectionChanged() ), this, SLOT( selectTreeItem() ) );
+    connect( m_treeWidget, SIGNAL( itemDoubleClicked( QTreeWidgetItem*, int ) ), this, SLOT( selectTreeItem() ) );
+    connect( m_upButton, SIGNAL( pressed() ), m_treeWidget, SLOT( moveTreeItemUp() ) );
+    connect( m_downButton, SIGNAL( pressed() ), m_treeWidget, SLOT( moveTreeItemDown() ) );
 }
 
 
@@ -98,3 +121,8 @@ void WQtDatasetBrowser::addTabWidgetContent( WQtDSBWidget* content )
 {
     m_tabWidget->addTab( content, content->getName() );
 }
+
+void WQtDatasetBrowser::testBoostSignal( int test )
+{
+    std::cout << "huhu ich bin ein boost signal: " << test << std::endl;
+}

src/gui/qt4/WQtDatasetBrowser.h → src/gui/qt4/datasetbrowser/WQtDatasetBrowser.h

@@ -29,12 +29,12 @@
 
 #include <QtGui/QDockWidget>
 #include <QtGui/QTabWidget>
-#include <QtGui/QTreeWidget>
 #include <QtGui/QVBoxLayout>
 #include <QtGui/QWidget>
 
 #include "WQtDSBWidget.h"
 #include "WQtSubjectTreeItem.h"
+#include "WQtTreeWidget.h"
 /**
  * TODO(schurade): Document this!
  */
@@ -77,12 +77,19 @@ public:
      */
     void connectSlots();
 
+    /**
+     *
+     */
+    void testBoostSignal( int test );
+
 protected:
 
 
 private:
-    QTreeWidget* m_treeWidget;
+    WQtTreeWidget* m_treeWidget;
     QTabWidget* m_tabWidget;
+    QPushButton* m_downButton;
+    QPushButton* m_upButton;
 
     QWidget* m_tab1;
     QWidget* m_tab2;

src/gui/qt4/WQtDatasetTreeItem.cpp → src/gui/qt4/datasetbrowser/WQtDatasetTreeItem.cpp

@@ -27,6 +27,8 @@
 WQtDatasetTreeItem::WQtDatasetTreeItem( QTreeWidgetItem * parent )
     : QTreeWidgetItem( parent )
 {
+    this->setCheckState( 0, Qt::Checked );
+    this->setFlags( Qt::ItemIsSelectable | Qt::ItemIsDragEnabled | Qt::ItemIsUserCheckable | Qt::ItemIsEnabled );
 }
 
 WQtDatasetTreeItem::~WQtDatasetTreeItem()

src/gui/qt4/WQtNumberEdit.cpp → src/gui/qt4/datasetbrowser/WQtNumberEdit.cpp

@@ -25,7 +25,8 @@
 #include "WQtNumberEdit.h"
 
 WQtNumberEdit::WQtNumberEdit( QWidget* parent )
-    : QLineEdit( parent )
+    : QLineEdit( parent ),
+    m_boostSignalObject()
 {
     connect( this, SIGNAL( returnPressed() ), this, SLOT( numberChanged() ) );
 }
@@ -37,6 +38,7 @@ WQtNumberEdit::~WQtNumberEdit()
 void WQtNumberEdit::setInt( int number )
 {
     setText( QString::number( number ) );
+    m_boostSignalObject( number );
 }
 
 void WQtNumberEdit::numberChanged()
@@ -46,10 +48,17 @@ void WQtNumberEdit::numberChanged()
     if ( ok )
     {
         emit signalNumber( number );
+        m_boostSignalObject( number );
     }
     else
     {
         setText( QString::number( 0 ) );
         emit signalNumber( 0 );
+        m_boostSignalObject( 0 );
     }
 }
+
+boost::signal1< void, int >*WQtNumberEdit::getboostSignalObject()
+{
+    return &m_boostSignalObject;
+}

src/gui/qt4/WQtNumberEdit.h → src/gui/qt4/datasetbrowser/WQtNumberEdit.h

@@ -25,6 +25,7 @@
 #ifndef WQTNUMBEREDIT_H
 #define WQTNUMBEREDIT_H
 
+#include "signalslib.hpp"
 #include <QtGui/QLineEdit>
 
 /**
@@ -45,6 +46,13 @@ public:
      */
     virtual ~WQtNumberEdit();
 
+    /**
+     *
+     */
+    boost::signal1< void, int >* getboostSignalObject();
+
+
+
 public slots:
     void setInt( int number );
     void numberChanged();
@@ -55,6 +63,7 @@ signals:
 
 protected:
 private:
+    boost::signal1< void, int > m_boostSignalObject;
 };
 
 #endif  // WQTNUMBEREDIT_H

src/gui/qt4/datasetbrowser/WQtSliderWithEdit.cpp

+//---------------------------------------------------------------------------
+//
+// Project: OpenWalnut ( http://www.openwalnut.org )
+//
+// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
+// For more information see http://www.openwalnut.org/copying
+//
+// This file is part of OpenWalnut.
+//
+// OpenWalnut is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// OpenWalnut is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
+//
+//---------------------------------------------------------------------------
+
+#include "WQtSliderWithEdit.h"
+
+WQtSliderWithEdit::WQtSliderWithEdit( QWidget* parent )
+    : QWidget( parent ),
+    m_slider( Qt::Horizontal ),
+    m_edit(),
+    m_layout()
+{
+    m_layout.addWidget( &m_slider );
+    m_layout.addWidget( &m_edit );
+
+    m_edit.resize( 10, m_edit.size().height() );
+    m_edit.setMaximumWidth( 25 );
+
+    setLayout( &m_layout );
+
+    connect( &m_slider, SIGNAL( valueChanged( int ) ), &m_edit, SLOT( setInt( int ) ) );
+    connect( &m_edit, SIGNAL( signalNumber( int ) ), &m_slider, SLOT( setValue( int ) ) );
+}
+
+WQtSliderWithEdit::~WQtSliderWithEdit()
+{
+}
+
+void WQtSliderWithEdit::setMin( int min )
+{
+    m_slider.setMinimum( min );
+}
+
+void WQtSliderWithEdit::setMax( int max )
+{
+    m_slider.setMaximum( max );
+
+    int length = 1;
+    float fmax = static_cast<float>( max );
+    while ( ( fmax / 10 ) >= 1.0 )
+    {
+        ++length;
+        fmax /= 10.0;
+    }
+    m_edit.setMaxLength( length );
+}
+
+void WQtSliderWithEdit::setValue( int value )
+{
+    m_slider.setValue( value );
+}
+
+boost::signal1< void, int >*WQtSliderWithEdit::getboostSignalObject()
+{
+    return m_edit.getboostSignalObject();
+}
+

src/gui/qt4/datasetbrowser/WQtSliderWithEdit.h

+//---------------------------------------------------------------------------
+//
+// Project: OpenWalnut ( http://www.openwalnut.org )
+//
+// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
+// For more information see http://www.openwalnut.org/copying
+//
+// This file is part of OpenWalnut.
+//
+// OpenWalnut is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// OpenWalnut is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
+//
+//---------------------------------------------------------------------------
+
+#ifndef WQTSLIDERWITHEDIT_H
+#define WQTSLIDERWITHEDIT_H
+
+#include "signalslib.hpp"
+
+#include "WQtNumberEdit.h"
+#include <QtGui/QSlider>
+#include <QtGui/QHBoxLayout>
+
+/**
+ * TODO(schurade): Document this!
+ */
+class WQtSliderWithEdit : public QWidget
+{
+public:
+    explicit WQtSliderWithEdit( QWidget* parent = 0 );
+    virtual ~WQtSliderWithEdit();
+
+    /**
+     *
+     */
+    boost::signal1< void, int >* getboostSignalObject();
+
+    void setMin( int min );
+    void setMax( int max );
+    void setValue( int value );
+
+
+protected:
+private:
+    QSlider m_slider;
+    WQtNumberEdit m_edit;
+    QHBoxLayout m_layout;
+};
+
+#endif  // WQTSLIDERWITHEDIT_H

src/gui/qt4/datasetbrowser/WQtTreeWidget.cpp

+//---------------------------------------------------------------------------
+//
+// Project: OpenWalnut ( http://www.openwalnut.org )
+//
+// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
+// For more information see http://www.openwalnut.org/copying
+//
+// This file is part of OpenWalnut.
+//
+// OpenWalnut is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// OpenWalnut is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
+//
+//---------------------------------------------------------------------------
+
+#include "WQtTreeWidget.h"
+#include "WQtSubjectTreeItem.h"
+
+WQtTreeWidget::WQtTreeWidget( QWidget* parent )
+    : QTreeWidget( parent )
+{
+    invisibleRootItem()->setFlags( Qt::ItemIsEnabled );
+    setSelectionMode( QAbstractItemView::SingleSelection );
+}
+
+
+WQtTreeWidget::~WQtTreeWidget()
+{
+}
+
+void WQtTreeWidget::moveTreeItemDown()
+{
+    QTreeWidgetItem *parent = currentItem()->parent();
+    int index;
+
+    if ( parent )
+    {
+        index = parent->indexOfChild( currentItem() );
+        if ( index < parent->childCount() - 1 )
+        {
+            WQtSubjectTreeItem* subject = reinterpret_cast<WQtSubjectTreeItem*>( topLevelItem( 0 ) );
+            WQtDatasetTreeItem* ci =  reinterpret_cast<WQtDatasetTreeItem*>( parent->takeChild( index ) );
+            subject->insertChild( index + 1, ci );
+            clearSelection();
+            setCurrentItem( ci );
+            ci->setSelected( true );
+        }
+    }
+}
+
+void WQtTreeWidget::moveTreeItemUp()
+{
+    QTreeWidgetItem *parent = currentItem()->parent();
+    int index;
+
+    if ( parent )
+    {
+        index = parent->indexOfChild( currentItem() );
+        if ( index > 0 )
+        {
+            WQtSubjectTreeItem* subject = reinterpret_cast<WQtSubjectTreeItem*>( topLevelItem( 0 ) );
+            WQtDatasetTreeItem* ci =  reinterpret_cast<WQtDatasetTreeItem*>( parent->takeChild( index ) );
+            subject->insertChild( index - 1, ci );
+            clearSelection();
+            setCurrentItem( ci );
+            ci->setSelected( true );
+        }
+    }
+}

src/gui/qt4/datasetbrowser/WQtTreeWidget.h

+//---------------------------------------------------------------------------
+//
+// Project: OpenWalnut ( http://www.openwalnut.org )
+//
+// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
+// For more information see http://www.openwalnut.org/copying
+//
+// This file is part of OpenWalnut.
+//
+// OpenWalnut is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by