X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fclient%2Ftreemodel.h;h=3c6ce912d240d98a2d61c3720f644095958ac5bd;hp=f979d11346786f48e7cf15a961b7cb7eb6db7ee2;hb=a700bd999215313b075ced5a1e3ba4ea8917fbbc;hpb=e104b220388a276a4483a45567243a8473ca5fa6 diff --git a/src/client/treemodel.h b/src/client/treemodel.h index f979d113..3c6ce912 100644 --- a/src/client/treemodel.h +++ b/src/client/treemodel.h @@ -1,11 +1,11 @@ /*************************************************************************** - * 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 * @@ -15,68 +15,196 @@ * 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 +#include // needed for debug #include +#include #include -#include /***************************************** * general item used in the Tree Model *****************************************/ -class TreeItem : public QObject { - Q_OBJECT - +class CLIENT_EXPORT AbstractTreeItem : public QObject +{ + Q_OBJECT + public: - TreeItem(const QList &data, TreeItem *parent = 0); - TreeItem(TreeItem *parent = 0); - virtual ~TreeItem(); - - 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(); - + enum TreeItemFlag + { + NoTreeItemFlag = 0x00, + DeleteOnLastChildRemoved = 0x01 + }; + Q_DECLARE_FLAGS(TreeItemFlags, TreeItemFlag) + + AbstractTreeItem(AbstractTreeItem* parent = nullptr); + + bool newChild(AbstractTreeItem* child); + bool newChilds(const QList& 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(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 childItems; - TreeItem *parentItem; - QList itemData; + void customEvent(QEvent* event) override; + +private: + QList _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 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 _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 &, 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 parent(const QModelIndex &index) const; - int rowCount(const QModelIndex &parent = QModelIndex()) const; - int columnCount(const QModelIndex &parent = QModelIndex()) const; + enum myRoles + { + SortRole = Qt::UserRole, + UserRole + }; + + TreeModel(const QList&, 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()); - void clear(); - - TreeItem *rootItem; -}; + AbstractTreeItem* rootItem; -#endif +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; + +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); +};