/***************************************************************************
- * Copyright (C) 2005-07 by The Quassel Team *
+ * Copyright (C) 2005-2020 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 *
* 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., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
-#ifndef _TREEMODEL_H_
-#define _TREEMODEL_H_
+#pragma once
+#include "client-export.h"
+
+#include <QAbstractItemModel>
+#include <QLinkedList> // needed for debug
#include <QList>
+#include <QStringList>
#include <QVariant>
-#include <QHash>
-#include <QAbstractItemModel>
/*****************************************
* general item used in the Tree Model
*****************************************/
-class TreeItem : public QObject {
- Q_OBJECT
- Q_PROPERTY(uint id READ id)
-
+class CLIENT_EXPORT AbstractTreeItem : public QObject
+{
+ Q_OBJECT
+
public:
- TreeItem(const QList<QVariant> &data, TreeItem *parent = 0);
- TreeItem(TreeItem *parent = 0);
- virtual ~TreeItem();
-
- void appendChild(TreeItem *child);
- void removeChild(int row);
-
- virtual uint id() const;
- TreeItem *child(int row) const;
- TreeItem *childById(const uint &) const;
- int childCount() const;
- int columnCount() const;
- virtual QVariant data(int column, int role) const;
- int row() const;
- TreeItem *parent();
-
+ enum TreeItemFlag
+ {
+ NoTreeItemFlag = 0x00,
+ DeleteOnLastChildRemoved = 0x01
+ };
+ Q_DECLARE_FLAGS(TreeItemFlags, TreeItemFlag)
+
+ AbstractTreeItem(AbstractTreeItem* parent = nullptr);
+
+ 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:
- QList<TreeItem *> childItems;
- QHash<uint, TreeItem *> childHash; // uint to be compatible to qHash functions
- TreeItem *parentItem;
- QList<QVariant> itemData;
+ void customEvent(QEvent* event) override;
+
+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 CLIENT_EXPORT SimpleTreeItem : public AbstractTreeItem
+{
+ Q_OBJECT
+
+public:
+ SimpleTreeItem(QList<QVariant> data, AbstractTreeItem* parent = nullptr);
+
+ QVariant data(int column, int role) const override;
+ bool setData(int column, const QVariant& value, int role) override;
+
+ int columnCount() const override;
+
+private:
+ QList<QVariant> _itemData;
+};
+
+/*****************************************
+ * PropertyMapItem
+ *****************************************/
+class CLIENT_EXPORT PropertyMapItem : public AbstractTreeItem
+{
+ Q_OBJECT
+
+public:
+ PropertyMapItem(AbstractTreeItem* parent = nullptr);
+
+ virtual QStringList propertyOrder() const = 0;
+
+ QVariant data(int column, int role) const override;
+ bool setData(int column, const QVariant& value, int role) override;
+
+ virtual QString toolTip(int column) const { Q_UNUSED(column) return QString(); }
+ int columnCount() const override;
+};
/*****************************************
* TreeModel
*****************************************/
-class TreeModel : public QAbstractItemModel {
- Q_OBJECT
-
+class CLIENT_EXPORT 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 parent(const QModelIndex &index) const;
- int rowCount(const QModelIndex &parent = QModelIndex()) const;
- int columnCount(const QModelIndex &parent = QModelIndex()) const;
-
- virtual void clear();
+ enum myRoles
+ {
+ SortRole = Qt::UserRole,
+ UserRole
+ };
+
+ TreeModel(const QList<QVariant>&, QObject* parent = nullptr);
+ ~TreeModel() override;
+
+ AbstractTreeItem* root() const;
+
+ QVariant data(const QModelIndex& index, int role) const override;
+ bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole) override;
+
+ Qt::ItemFlags flags(const QModelIndex& index) const override;
+ QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+
+ QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
+ QModelIndex indexByItem(AbstractTreeItem* item) const;
+
+ QModelIndex parent(const QModelIndex& index) const override;
+
+ int rowCount(const QModelIndex& parent = QModelIndex()) const override;
+ int columnCount(const QModelIndex& parent = QModelIndex()) const override;
+
+ 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());
+ AbstractTreeItem* rootItem;
- TreeItem *rootItem;
-};
+private:
+ void connectItem(AbstractTreeItem* item);
+
+ 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;
-#endif
+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);
+};
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