/***************************************************************************
- * 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 *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
-#ifndef _TREEMODEL_H_
-#define _TREEMODEL_H_
+#ifndef TREEMODEL_H
+#define TREEMODEL_H
#include <QList>
+#include <QStringList>
#include <QVariant>
#include <QAbstractItemModel>
+#include <QLinkedList> // needed for debug
+
/*****************************************
* general item used in the Tree Model
*****************************************/
-class TreeItem : public QObject {
+class AbstractTreeItem : public QObject {
Q_OBJECT
+
+public:
+ enum TreeItemFlag {
+ NoTreeItemFlag = 0x00,
+ DeleteOnLastChildRemoved = 0x01
+ };
+ Q_DECLARE_FLAGS(TreeItemFlags, TreeItemFlag);
+
+ AbstractTreeItem(AbstractTreeItem *parent = 0);
+
+ bool newChild(AbstractTreeItem *child);
+ bool newChilds(const QList<AbstractTreeItem *> &items);
+
+ bool removeChild(int row);
+ inline bool removeChild(AbstractTreeItem *child) { return removeChild(child->row()); }
+ void removeAllChilds();
+
+ bool reParent(AbstractTreeItem *newParent);
+
+ AbstractTreeItem *child(int row) const;
+
+ int childCount(int column = 0) const;
+
+ virtual int columnCount() const = 0;
+
+ virtual QVariant data(int column, int role) const = 0;
+ virtual bool setData(int column, const QVariant &value, int role) = 0;
+
+ virtual inline Qt::ItemFlags flags() const { return _flags; }
+ virtual inline void setFlags(Qt::ItemFlags flags) { _flags = flags; }
+
+ inline AbstractTreeItem::TreeItemFlags treeItemFlags() const { return _treeItemFlags; }
+ inline void setTreeItemFlags(AbstractTreeItem::TreeItemFlags flags) { _treeItemFlags = flags; }
+ int row() const;
+ inline AbstractTreeItem *parent() const { return qobject_cast<AbstractTreeItem *>(QObject::parent()); }
+
+ void dumpChildList();
+
+signals:
+ void dataChanged(int column = -1);
+
+ void beginAppendChilds(int firstRow, int lastRow);
+ void endAppendChilds();
+ void beginRemoveChilds(int firstRow, int lastRow);
+ void endRemoveChilds();
+
+protected:
+ void customEvent(QEvent *event);
+
+private:
+ QList<AbstractTreeItem *> _childItems;
+ Qt::ItemFlags _flags;
+ TreeItemFlags _treeItemFlags;
+
+ void removeChildLater(AbstractTreeItem *child);
+ inline void checkForDeletion() { if(treeItemFlags() & DeleteOnLastChildRemoved && childCount() == 0) parent()->removeChildLater(this); }
+};
+
+
+/*****************************************
+ * SimpleTreeItem
+ *****************************************/
+class SimpleTreeItem : public AbstractTreeItem {
+ Q_OBJECT
+
public:
- TreeItem(const QList<QVariant> &data, TreeItem *parent = 0);
- TreeItem(TreeItem *parent = 0);
- virtual ~TreeItem();
+ SimpleTreeItem(const QList<QVariant> &data, AbstractTreeItem *parent = 0);
+ virtual ~SimpleTreeItem();
+
+ virtual QVariant data(int column, int role) const;
+ virtual bool setData(int column, const QVariant &value, int role);
+
+ 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();
- void appendChild(TreeItem *child);
- void removeChild(int row);
-
- TreeItem *child(int row);
- int childCount() const;
- int columnCount() const;
virtual QVariant data(int column, int role) const;
- int row() const;
- TreeItem *parent();
-
-protected:
- QList<TreeItem*> childItems;
- TreeItem *parentItem;
- QList<QVariant> itemData;
+ virtual bool setData(int column, const QVariant &value, int role);
+
+ virtual QString toolTip(int column) const { Q_UNUSED(column) return QString(); }
+ virtual int columnCount() const;
+
+ void appendProperty(const QString &property);
+
+private:
+ QStringList _propertyOrder;
};
*****************************************/
class TreeModel : public QAbstractItemModel {
Q_OBJECT
-
+
public:
+ enum myRoles {
+ SortRole = Qt::UserRole,
+ UserRole
+ };
+
TreeModel(const QList<QVariant> &, QObject *parent = 0);
virtual ~TreeModel();
-
- QVariant data(const QModelIndex &index, int role) const;
+
+ virtual QVariant data(const QModelIndex &index, int role) const;
+ virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
+
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 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 beginAppendChilds(int firstRow, int lastRow);
+ void endAppendChilds();
+
+ void beginRemoveChilds(int firstRow, int lastRow);
+ void endRemoveChilds();
+
protected:
- bool removeRow(int row, const QModelIndex &parent = QModelIndex());
- bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());
- void clear();
+ AbstractTreeItem *rootItem;
+
+private:
+ void connectItem(AbstractTreeItem *item);
- TreeItem *rootItem;
+ struct ChildStatus {
+ QModelIndex parent;
+ int childCount;
+ int start;
+ int end;
+ inline ChildStatus(QModelIndex parent_, int cc_, int s_, int e_) : parent(parent_), childCount(cc_), start(s_), end(e_) {};
+ };
+ ChildStatus _childStatus;
+ int _aboutToRemoveOrInsert;
+
+private slots:
+ void debug_rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
+ void debug_rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
+ void debug_rowsInserted(const QModelIndex &parent, int start, int end);
+ void debug_rowsRemoved(const QModelIndex &parent, int start, int end);
+ void debug_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
};
#endif
projects / quassel.git / blobdiff