ADD: Qtwidget for a directory parameter

Code/Wrappers/QtWidget/otbWrapperQtWidgetDirectoryParameter.cxx

+/*=========================================================================
+
+  Program:   ORFEO Toolbox
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
+  See OTBCopyright.txt for details.
+
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#include "otbWrapperQtWidgetDirectoryParameter.h"
+
+namespace otb
+{
+namespace Wrapper
+{
+
+QtWidgetDirectoryParameter::QtWidgetDirectoryParameter(DirectoryParameter* param, QtWidgetModel* m)
+: QtWidgetParameterBase(param, m),
+  m_DirectoryParam(param)
+{
+}
+
+QtWidgetDirectoryParameter::~QtWidgetDirectoryParameter()
+{
+}
+
+void QtWidgetDirectoryParameter::DoUpdateGUI()
+{
+
+}
+
+void QtWidgetDirectoryParameter::DoCreateWidget()
+{
+  // Set up input text edit
+  m_HLayout = new QHBoxLayout;
+  m_HLayout->setSpacing(0);
+  m_HLayout->setContentsMargins(0, 0, 0, 0);
+  m_Input = new QLineEdit;
+  m_Input->setToolTip( m_DirectoryParam->GetDescription() );
+  connect( m_Input, SIGNAL(textChanged(const QString&)), this, SLOT(SetFileName(const QString&)) );
+  connect( m_Input, SIGNAL(textChanged(const QString&)), GetModel(), SLOT(NotifyUpdate()) );
+
+  m_HLayout->addWidget(m_Input);
+
+  // Set up input text edit
+  m_Button = new QPushButton;
+  m_Button->setText("...");
+  m_Button->setToolTip("Select d Directory...");
+  m_Button->setMaximumWidth(m_Button->width());
+  connect( m_Button, SIGNAL(clicked()), this, SLOT(SelectFile()) );
+  m_HLayout->addWidget(m_Button);
+
+  this->setLayout(m_HLayout);
+}
+
+void QtWidgetDirectoryParameter::SelectFile()
+{
+  QFileDialog fileDialog;
+  fileDialog.setConfirmOverwrite(true);
+  fileDialog.setFileMode(QFileDialog::Directory);
+  fileDialog.setNameFilter("Select a Directory");
+
+  if (fileDialog.exec())
+    {
+    this->SetFileName(fileDialog.selectedFiles().at(0));
+    m_Input->setText(fileDialog.selectedFiles().at(0));
+    }
+}
+
+void QtWidgetDirectoryParameter::SetFileName(const QString& value)
+{
+  // save value
+  m_DirectoryParam->SetValue(value.toStdString());
+
+  // notify of value change
+  QString key( QString::fromStdString(m_DirectoryParam->GetKey()) );
+  emit ParameterChanged(key);
+}
+
+}
+}

Code/Wrappers/QtWidget/otbWrapperQtWidgetDirectoryParameter.h

+/*=========================================================================
+
+  Program:   ORFEO Toolbox
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
+  See OTBCopyright.txt for details.
+
+
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef __otbWrapperQtWidgetDirectoryParameter_h
+#define __otbWrapperQtWidgetDirectoryParameter_h
+
+#include <QtGui>
+#include "otbWrapperDirectoryParameter.h"
+#include "otbWrapperQtWidgetParameterBase.h"
+
+
+namespace otb
+{
+namespace Wrapper
+{
+
+/** \class
+ * \brief
+ */
+class QtWidgetDirectoryParameter : public QtWidgetParameterBase
+{
+  Q_OBJECT
+public:
+  QtWidgetDirectoryParameter(DirectoryParameter*, QtWidgetModel*);
+  virtual ~QtWidgetDirectoryParameter();
+
+protected slots:
+  void SetFileName( const QString& value );
+  void SelectFile();
+
+private:
+  QtWidgetDirectoryParameter(const QtWidgetDirectoryParameter&); //purposely not implemented
+  void operator=(const QtWidgetDirectoryParameter&); //purposely not implemented
+
+  virtual void DoCreateWidget();
+
+  virtual void DoUpdateGUI();
+
+
+  DirectoryParameter::Pointer m_DirectoryParam;
+
+  QHBoxLayout * m_HLayout;
+  QLineEdit*    m_Input;
+  QPushButton * m_Button;
+};
+
+
+}
+}
+
+#endif