panel_manager.hh

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//------------------------------------------------------------------------------
// This file is part of the OpenStructure project <www.openstructure.org>
//
// Copyright (C) 2008-2011 by the OpenStructure authors
//
// This library 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 3.0 of the License, or (at your option)
// any later version.
// This library 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 this library; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//------------------------------------------------------------------------------
#ifndef OST_GUI_PANEL_BAR_PANEL_MANAGER
#define OST_GUI_PANEL_BAR_PANEL_MANAGER


#include <ost/gui/widget.hh>
#include <ost/gui/widget_pool.hh>
#include <ost/gui/thin_splitter.hh>

#include "panel_widget_container.hh"
#include "button_box.hh"

#include <QWidget>
#include <QString>
#include <QList>
#include <QMenu>
#include <QDragEnterEvent>
namespace ost { namespace gui {

enum PanelPosition
{
  LEFT_PANEL = 0,
  RIGHT_PANEL,
  BOTTOM_PANEL,
  NONE
};

class DLLEXPORT_OST_GUI PanelManager : public Widget {
  Q_OBJECT
public:
  PanelManager(QWidget* widget);
  ~PanelManager(){ }
  virtual bool Save(const QString& prefix);
  virtual bool Restore(const QString& prefix);

  virtual void AddWidgetToPool(const QString& class_name, int limit=-1);
  virtual void AddWidgetToPool(const QString& name, Widget* widget);

  void AddWidget(PanelPosition pos, Widget* widget, bool is_hidden=false);
  void AddWidgetByName(PanelPosition pos, const QString& class_name, bool is_hidden=false);

  void ReplaceWidget(Widget* w1, Widget* w2);
  void ReplaceWidget(Widget* w1, QString& class_name);

  QMenu* GetMenu();
  QList<QString> GetAvailableWidgets();

  void StartDrag();
  void EndDrag();

public slots:
  QMenu* GetAvailableWidgetsMenu();

  void ToggleViewMode(PanelPosition pos);

  void MoveWidget(Widget * widget, PanelPosition pos, int index);

  void MoveNextTo(Widget* target, Widget* widget);

  void RemoveWidget(Widget * widget);

  void ToggleHide();
  void ToggleHide(PanelPosition pos);

private slots:
  void UpdateAddMenu();
  void UpdateCurrentMenu();
  void AddWidgetFromMenu(QAction * action);

private:
  PanelPosition GetParentPanel(Widget* widget);

  ThinSplitter* right_panel_splitter_;
  ThinSplitter* left_panel_splitter_;
  ThinSplitter* bottom_panel_splitter_;
  QMap<PanelPosition, PanelBar*> panels_;
  WidgetPool* pool_;
  QMenu* add_menu_;
  PanelPosition current_menu_;
};

}}

#endif