/***************************************************************************
- * Copyright (C) 2005-07 by The Quassel Team *
+ * Copyright (C) 2005-08 by the Quassel Project *
* devel@quassel-irc.org *
* *
* 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. *
+ * (at your option) version 3. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
#ifndef _TREEMODEL_H_
#define _TREEMODEL_H_
-#include <QtCore>
+#include <QList>
+#include <QStringList>
+#include <QVariant>
+#include <QHash>
+#include <QAbstractItemModel>
/*****************************************
* general item used in the Tree Model
*****************************************/
-class TreeItem : public QObject {
+class AbstractTreeItem : public QObject {
Q_OBJECT
-
+ Q_PROPERTY(uint id READ id)
+
public:
- TreeItem(const QList<QVariant> &data, TreeItem *parent = 0);
- TreeItem(TreeItem *parent = 0);
- virtual ~TreeItem();
+ AbstractTreeItem(AbstractTreeItem *parent = 0);
+ virtual ~AbstractTreeItem();
+
+ void appendChild(int column, AbstractTreeItem *child);
+ void appendChild(AbstractTreeItem *child);
- void appendChild(TreeItem *child);
+ void removeChild(int column, int row);
void removeChild(int row);
-
- TreeItem *child(int row);
+
+ virtual quint64 id() const;
+
+ AbstractTreeItem *child(int column, int row) const;
+ AbstractTreeItem *child(int row) const;
+
+ AbstractTreeItem *childById(int column, const uint &id) const;
+ AbstractTreeItem *childById(const uint &id) const;
+
+ int childCount(int column) const;
int childCount() const;
- int columnCount() const;
- virtual QVariant data(int column, int role) const;
+
+ virtual int columnCount() const = 0;
+
+ virtual QVariant data(int column, int role) const = 0;
+
+ virtual Qt::ItemFlags flags() const;
+ virtual void setFlags(Qt::ItemFlags);
+
+ int column() const;
int row() const;
- TreeItem *parent();
-
-protected:
- QList<TreeItem*> childItems;
- TreeItem *parentItem;
- QList<QVariant> itemData;
+ AbstractTreeItem *parent();
+
+signals:
+ void dataChanged(int column = -1);
+ void newChild(AbstractTreeItem *);
+ void childDestroyed(int row);
+
+private slots:
+ void childDestroyed();
+
+private:
+ QHash<int, QList<AbstractTreeItem *> > _childItems;
+ QHash<int, QHash<quint64, AbstractTreeItem *> > _childHash; // uint to be compatible to qHash functions
+ AbstractTreeItem *_parentItem;
+ Qt::ItemFlags _flags;
+
+ int defaultColumn() const;
+};
+
+
+/*****************************************
+ * SimpleTreeItem
+ *****************************************/
+class SimpleTreeItem : public AbstractTreeItem {
+ Q_OBJECT
+
+public:
+ SimpleTreeItem(const QList<QVariant> &data, AbstractTreeItem *parent = 0);
+ virtual ~SimpleTreeItem();
+ virtual QVariant data(int column, int role) const;
+ virtual int columnCount() const;
+
+private:
+ QList<QVariant> _itemData;
+};
+
+/*****************************************
+ * PropertyMapItem
+ *****************************************/
+class PropertyMapItem : public AbstractTreeItem {
+ Q_OBJECT
+
+public:
+ PropertyMapItem(const QStringList &propertyOrder, AbstractTreeItem *parent = 0);
+ PropertyMapItem(AbstractTreeItem *parent = 0);
+
+ virtual ~PropertyMapItem();
+
+ virtual QVariant data(int column, int role) const;
+ virtual int columnCount() const;
+
+ void appendProperty(const QString &property);
+
+private:
+ QStringList _propertyOrder;
};
*****************************************/
class TreeModel : public QAbstractItemModel {
Q_OBJECT
-
+
public:
TreeModel(const QList<QVariant> &, QObject *parent = 0);
virtual ~TreeModel();
-
+
QVariant data(const QModelIndex &index, int role) const;
virtual Qt::ItemFlags flags(const QModelIndex &index) const;
QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
+
QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
+ QModelIndex indexById(uint id, const QModelIndex &parent = QModelIndex()) const;
+ QModelIndex indexByItem(AbstractTreeItem *item) const;
+
QModelIndex parent(const QModelIndex &index) const;
+
int rowCount(const QModelIndex &parent = QModelIndex()) const;
int columnCount(const QModelIndex &parent = QModelIndex()) const;
+ virtual void clear();
+
+private slots:
+ void itemDataChanged(int column = -1);
+ void newChild(AbstractTreeItem *child);
+ void childDestroyed(int row);
+
protected:
+ void appendChild(AbstractTreeItem *parent, AbstractTreeItem *child);
+
bool removeRow(int row, const QModelIndex &parent = QModelIndex());
+ bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
- TreeItem *rootItem;
+ AbstractTreeItem *rootItem;
};
#endif