RetroShare/retroshare-gui/src/gui/common/RSFeedWidget.h

128 lines
3.9 KiB
C++

/****************************************************************
* This file is distributed under the following license:
*
* Copyright (c) 2014, RetroShare Team
*
* 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 _RSFEEDTREEWIDGET_H
#define _RSFEEDTREEWIDGET_H
#include <QAbstractItemView>
#include <QWidget>
#include <QMap>
#define FEED_TREEWIDGET_SORTROLE Qt::UserRole
class FeedItem;
class QTreeWidgetItem;
class RSTreeWidgetItemCompareRole;
namespace Ui {
class RSFeedWidget;
}
typedef void (*RSFeedWidgetCallbackFunction)(FeedItem *feedItem, void *data);
typedef bool (*RSFeedWidgetFindCallbackFunction)(FeedItem *feedItem, void *data);
typedef bool (*RSFeedWidgetFilterCallbackFunction)(FeedItem *feedItem, const QString &text, int filter);
class RSFeedWidget : public QWidget
{
Q_OBJECT
public:
RSFeedWidget(QWidget *parent = 0);
virtual ~RSFeedWidget();
QString placeholderText();
void setPlaceholderText(const QString &placeholderText);
void addFeedItem(FeedItem *feedItem, Qt::ItemDataRole sortRole, const QVariant &value);
void addFeedItem(FeedItem *feedItem, const QMap<Qt::ItemDataRole, QVariant> &sort);
void setSort(FeedItem *feedItem, Qt::ItemDataRole sortRole, const QVariant &value);
void setSort(FeedItem *feedItem, const QMap<Qt::ItemDataRole, QVariant> &sort);
int feedItemCount();
FeedItem *feedItem(int index);
void removeFeedItem(FeedItem *feedItem);
void setSortRole(Qt::ItemDataRole role, Qt::SortOrder order);
void setSortingEnabled(bool enable);
void setFilterCallback(RSFeedWidgetFilterCallbackFunction callback);
void enableRemove(bool enable);
void enableCountChangedSignal(bool enable);
void setSelectionMode(QAbstractItemView::SelectionMode mode);
bool scrollTo(FeedItem *feedItem, bool focus);
void withAll(RSFeedWidgetCallbackFunction callback, void *data);
FeedItem *findFeedItem(RSFeedWidgetFindCallbackFunction callback, void *data);
void selectedFeedItems(QList<FeedItem*> &feedItems);
signals:
void feedCountChanged();
public slots:
void clear();
void setFilter(const QString &text, int type);
void setFilterText(const QString &text);
void setFilterType(int type);
protected:
bool eventFilter(QObject *object, QEvent *event);
virtual void feedAdded(FeedItem *feedItem, QTreeWidgetItem *treeItem);
virtual void feedRemoved(FeedItem *feedItem);
virtual void feedsCleared();
private slots:
void feedItemDestroyed(FeedItem *feedItem);
void feedItemSizeChanged(FeedItem *feedItem);
private:
void connectSignals(FeedItem *feedItem);
void disconnectSignals(FeedItem *feedItem);
FeedItem *feedItemFromTreeItem(QTreeWidgetItem *treeItem);
QTreeWidgetItem *findTreeWidgetItem(FeedItem *feedItem);
void filterItems();
void filterItem(QTreeWidgetItem *treeItem, FeedItem *feedItem);
private:
/* Sort */
RSTreeWidgetItemCompareRole *mFeedCompareRole;
/* Filter */
RSFeedWidgetFilterCallbackFunction mFilterCallback;
QString mFilterText;
int mFilterType;
/* Remove */
bool mEnableRemove;
/* Options */
int mCountChangedDisabled;
/* Items */
QMap<FeedItem*, QTreeWidgetItem*> mItems;
Ui::RSFeedWidget *ui;
};
#endif