1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
25 #include <QStringList>
28 #include <QAbstractItemModel>
30 #include <QLinkedList> // needed for debug
32 /*****************************************
33 * general item used in the Tree Model
34 *****************************************/
35 class AbstractTreeItem : public QObject {
37 Q_PROPERTY(quint64 id READ id)
40 AbstractTreeItem(AbstractTreeItem *parent = 0);
41 virtual ~AbstractTreeItem();
43 bool newChild(AbstractTreeItem *child);
45 bool removeChild(int row);
46 bool removeChildById(const quint64 &id);
47 void removeAllChilds();
49 virtual quint64 id() const;
51 AbstractTreeItem *child(int row) const;
52 AbstractTreeItem *childById(const quint64 &id) const;
54 int childCount() const;
56 virtual int columnCount() const = 0;
58 virtual QVariant data(int column, int role) const = 0;
59 virtual bool setData(int column, const QVariant &value, int role) = 0;
61 virtual Qt::ItemFlags flags() const;
62 virtual void setFlags(Qt::ItemFlags);
65 AbstractTreeItem *parent() const;
70 void dataChanged(int column = -1);
72 void beginAppendChilds(int firstRow, int lastRow);
73 void endAppendChilds();
75 void beginRemoveChilds(int firstRow, int lastRow);
76 void endRemoveChilds();
79 QList<AbstractTreeItem *> _childItems;
84 /*****************************************
86 *****************************************/
87 class SimpleTreeItem : public AbstractTreeItem {
91 SimpleTreeItem(const QList<QVariant> &data, AbstractTreeItem *parent = 0);
92 virtual ~SimpleTreeItem();
94 virtual QVariant data(int column, int role) const;
95 virtual bool setData(int column, const QVariant &value, int role);
97 virtual int columnCount() const;
100 QList<QVariant> _itemData;
103 /*****************************************
105 *****************************************/
106 class PropertyMapItem : public AbstractTreeItem {
110 PropertyMapItem(const QStringList &propertyOrder, AbstractTreeItem *parent = 0);
111 PropertyMapItem(AbstractTreeItem *parent = 0);
113 virtual ~PropertyMapItem();
115 virtual QVariant data(int column, int role) const;
116 virtual bool setData(int column, const QVariant &value, int role);
118 virtual QString toolTip(int column) const { Q_UNUSED(column) return QString(); }
119 virtual int columnCount() const;
121 void appendProperty(const QString &property);
124 QStringList _propertyOrder;
128 /*****************************************
130 *****************************************/
131 class TreeModel : public QAbstractItemModel {
135 TreeModel(const QList<QVariant> &, QObject *parent = 0);
136 virtual ~TreeModel();
138 virtual QVariant data(const QModelIndex &index, int role) const;
139 virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
141 virtual Qt::ItemFlags flags(const QModelIndex &index) const;
142 QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
144 QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
145 QModelIndex indexById(quint64 id, const QModelIndex &parent = QModelIndex()) const;
146 QModelIndex indexByItem(AbstractTreeItem *item) const;
148 QModelIndex parent(const QModelIndex &index) const;
150 int rowCount(const QModelIndex &parent = QModelIndex()) const;
151 int columnCount(const QModelIndex &parent = QModelIndex()) const;
153 virtual void clear();
156 void itemDataChanged(int column = -1);
158 void beginAppendChilds(int firstRow, int lastRow);
159 void endAppendChilds();
161 void beginRemoveChilds(int firstRow, int lastRow);
162 void endRemoveChilds();
165 AbstractTreeItem *rootItem;
168 void connectItem(AbstractTreeItem *item);
175 inline ChildStatus(QModelIndex parent_, int cc_, int s_, int e_) : parent(parent_), childCount(cc_), start(s_), end(e_) {};
177 ChildStatus _childStatus;
178 int _aboutToRemoveOrInsert;
181 void debug_rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
182 void debug_rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
183 void debug_rowsInserted(const QModelIndex &parent, int start, int end);
184 void debug_rowsRemoved(const QModelIndex &parent, int start, int end);