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/***************************************************************************
* Copyright (C) 2007 by Peter Penz <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef DOLPHINCOLUMNVIEW_H
#define DOLPHINCOLUMNVIEW_H
#include <QColumnView>
#include <QStyleOption>
class DolphinController;
class KDirLister;
class KUrl;
/**
* @brief Represents the view, where each directory is show as separate column.
*
* @see DolphinIconsView
* @see DolphinDetailsView
*/
class DolphinColumnView : public QColumnView
{
Q_OBJECT
public:
explicit DolphinColumnView(QWidget* parent, DolphinController* controller);
virtual ~DolphinColumnView();
/**
* Inverts the selection for the current active column.
*/
void invertSelection();
public slots:
/** @see QAbstractItemView::selectAll() */
virtual void selectAll();
protected:
virtual QAbstractItemView* createColumn(const QModelIndex& index);
virtual void mousePressEvent(QMouseEvent* event);
virtual void dragEnterEvent(QDragEnterEvent* event);
virtual void dropEvent(QDropEvent* event);
private slots:
void zoomIn();
void zoomOut();
void triggerItem(const QModelIndex& index);
/**
* Updates the activation state of all columns, where \a url
* represents the URL of the active column. All operations
* are applied only to the column which is marked as active.
*/
void updateColumnsState(const KUrl& url);
/**
* Updates the size of the decoration dependent on the
* icon size of the ColumnModeSettings. The controller
* will get informed about possible zoom in/zoom out
* operations.
*/
void updateDecorationSize();
private:
bool isZoomInPossible() const;
bool isZoomOutPossible() const;
/**
* Requests the activation for the column \a column. The URL
* navigator will be changed to represent the column. It is
* assured that the selection model of \a column will be set
* to the selection model of the Column View.
*/
void requestActivation(QWidget* column);
/**
* Requests the selection model from the Column View for \a view.
* If another column has already obtained the Column View selection
* model, it will be replaced by a default selection model.
*/
void requestSelectionModel(QAbstractItemView* view);
/**
* Helper method for selecting all items of an active column by \a flags.
*/
void selectActiveColumn(QItemSelectionModel::SelectionFlags flags);
private:
DolphinController* m_controller;
friend class ColumnWidget;
};
#endif
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