You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
3.4 KiB
95 lines
3.4 KiB
/* |
|
Copyright (c) 2010 Stephen Kelly <steveire@gmail.com> |
|
|
|
This library is free software; you can redistribute it and/or modify it |
|
under the terms of the GNU Library General Public License as published by |
|
the Free Software Foundation; either version 2 of the License, or (at your |
|
option) any later version. |
|
|
|
This library is distributed in the hope that it will be useful, but WITHOUT |
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
|
License for more details. |
|
|
|
You should have received a copy of the GNU Library General Public License |
|
along with this library; see the file COPYING.LIB. If not, write to the |
|
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
|
02110-1301, USA. |
|
*/ |
|
#ifndef KCHECKABLEPROXYMODEL_H |
|
#define KCHECKABLEPROXYMODEL_H |
|
|
|
#include "kitemmodels_export.h" |
|
|
|
#include <QItemSelection> |
|
#include <QIdentityProxyModel> |
|
|
|
class KCheckableProxyModelPrivate; |
|
|
|
/** |
|
* @class KCheckableProxyModel kcheckableproxymodel.h KCheckableProxyModel |
|
* |
|
* @brief Adds a checkable capability to a source model |
|
* |
|
* Items is standard Qt views such as QTreeView and QListView can have a |
|
* checkable capability and draw checkboxes. Adding such a capability |
|
* requires specific implementations of the data() and flags() virtual methods. |
|
* This class implements those methods generically so that it is not necessary to |
|
* implement them in your model. |
|
* |
|
* This can be combined with a KSelectionProxyModel showing the items currently selected |
|
* |
|
* @code |
|
* |
|
* QItemSelectionModel *checkModel = new QItemSelectionModel(rootModel, this); |
|
* KCheckableProxyModel *checkable = new KCheckableProxyModel(this); |
|
* checkable->setSourceModel(rootModel); |
|
* checkable->setSelectionModel(checkModel); |
|
* |
|
* QTreeView *tree1 = new QTreeView(vSplitter); |
|
* tree1->setModel(checkable); |
|
* tree1->expandAll(); |
|
* |
|
* KSelectionProxyModel *selectionProxy = new KSelectionProxyModel(checkModel, this); |
|
* selectionProxy->setFilterBehavior(KSelectionProxyModel::ExactSelection); |
|
* selectionProxy->setSourceModel(rootModel); |
|
* |
|
* QTreeView *tree2 = new QTreeView(vSplitter); |
|
* tree2->setModel(selectionProxy); |
|
* @endcode |
|
* |
|
* @image html kcheckableproxymodel.png "A KCheckableProxyModel and KSelectionProxyModel showing checked items" |
|
* |
|
* @since 4.6 |
|
* @author Stephen Kelly <steveire@gmail.com> |
|
*/ |
|
class KITEMMODELS_EXPORT KCheckableProxyModel : public QIdentityProxyModel |
|
{ |
|
Q_OBJECT |
|
public: |
|
explicit KCheckableProxyModel(QObject *parent = nullptr); |
|
~KCheckableProxyModel() override; |
|
|
|
void setSelectionModel(QItemSelectionModel *itemSelectionModel); |
|
QItemSelectionModel *selectionModel() const; |
|
|
|
Qt::ItemFlags flags(const QModelIndex &index) const override; |
|
|
|
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override; |
|
|
|
bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole) override; |
|
|
|
void setSourceModel(QAbstractItemModel *sourceModel) override; |
|
|
|
protected: |
|
virtual bool select(const QItemSelection &selection, QItemSelectionModel::SelectionFlags command); |
|
|
|
private: |
|
Q_DECLARE_PRIVATE(KCheckableProxyModel) |
|
KCheckableProxyModelPrivate *const d_ptr; |
|
|
|
Q_PRIVATE_SLOT(d_func(), void selectionChanged(const QItemSelection &, const QItemSelection &)) |
|
}; |
|
|
|
#endif |
|
|
|
|