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>
27 #include <QAbstractItemModel>
29 #include <QLinkedList> // needed for debug
31 /*****************************************
32 * general item used in the Tree Model
33 *****************************************/
34 class AbstractTreeItem : public QObject {
38 AbstractTreeItem(AbstractTreeItem *parent = 0);
39 virtual ~AbstractTreeItem();
41 bool newChild(AbstractTreeItem *child);
42 bool newChilds(const QList<AbstractTreeItem *> &items);
44 bool removeChild(int row);
45 inline bool removeChild(AbstractTreeItem *child) { return removeChild(child->row()); }
46 void removeAllChilds();
48 bool reParent(AbstractTreeItem *newParent);
50 AbstractTreeItem *child(int row) const;
52 int childCount(int column = 0) const;
54 virtual int columnCount() const = 0;
56 virtual QVariant data(int column, int role) const = 0;
57 virtual bool setData(int column, const QVariant &value, int role) = 0;
59 virtual inline Qt::ItemFlags flags() const { return _flags; }
60 virtual inline void setFlags(Qt::ItemFlags flags) { _flags = flags; }
63 inline AbstractTreeItem *parent() const { return qobject_cast<AbstractTreeItem *>(QObject::parent()); }
68 void dataChanged(int column = -1);
70 void beginAppendChilds(int firstRow, int lastRow);
71 void endAppendChilds();
73 void beginRemoveChilds(int firstRow, int lastRow);
74 void endRemoveChilds();
77 QList<AbstractTreeItem *> _childItems;
82 /*****************************************
84 *****************************************/
85 class SimpleTreeItem : public AbstractTreeItem {
89 SimpleTreeItem(const QList<QVariant> &data, AbstractTreeItem *parent = 0);
90 virtual ~SimpleTreeItem();
92 virtual QVariant data(int column, int role) const;
93 virtual bool setData(int column, const QVariant &value, int role);
95 virtual int columnCount() const;
98 QList<QVariant> _itemData;
101 /*****************************************
103 *****************************************/
104 class PropertyMapItem : public AbstractTreeItem {
108 PropertyMapItem(const QStringList &propertyOrder, AbstractTreeItem *parent = 0);
109 PropertyMapItem(AbstractTreeItem *parent = 0);
111 virtual ~PropertyMapItem();
113 virtual QVariant data(int column, int role) const;
114 virtual bool setData(int column, const QVariant &value, int role);
116 virtual QString toolTip(int column) const { Q_UNUSED(column) return QString(); }
117 virtual int columnCount() const;
119 void appendProperty(const QString &property);
122 QStringList _propertyOrder;
126 /*****************************************
128 *****************************************/
129 class TreeModel : public QAbstractItemModel {
134 SortRole = Qt::UserRole,
138 TreeModel(const QList<QVariant> &, QObject *parent = 0);
139 virtual ~TreeModel();
141 virtual QVariant data(const QModelIndex &index, int role) const;
142 virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
144 virtual Qt::ItemFlags flags(const QModelIndex &index) const;
145 QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
147 QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
148 QModelIndex indexByItem(AbstractTreeItem *item) const;
150 QModelIndex parent(const QModelIndex &index) const;
152 int rowCount(const QModelIndex &parent = QModelIndex()) const;
153 int columnCount(const QModelIndex &parent = QModelIndex()) const;
155 virtual void clear();
158 void itemDataChanged(int column = -1);
160 void beginAppendChilds(int firstRow, int lastRow);
161 void endAppendChilds();
163 void beginRemoveChilds(int firstRow, int lastRow);
164 void endRemoveChilds();
167 AbstractTreeItem *rootItem;
170 void connectItem(AbstractTreeItem *item);
177 inline ChildStatus(QModelIndex parent_, int cc_, int s_, int e_) : parent(parent_), childCount(cc_), start(s_), end(e_) {};
179 ChildStatus _childStatus;
180 int _aboutToRemoveOrInsert;
183 void debug_rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
184 void debug_rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
185 void debug_rowsInserted(const QModelIndex &parent, int start, int end);
186 void debug_rowsRemoved(const QModelIndex &parent, int start, int end);
187 void debug_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);