ResInsight/Fwk/AppFwk/cafUserInterface/cafPdmUiTreeViewEditor.cpp
Jacob Støren e26a57011d #3296 caf::SelectionManager: Refactoring to avoid sending multiple selection changes
Must be considered if using the CmdSelectionGangeExec
2018-08-31 16:13:46 +02:00

409 lines
14 KiB
C++

//##################################################################################################
//
// Custom Visualization Core library
// Copyright (C) 2011-2013 Ceetron AS
//
// This library may be used under the terms of either the GNU General Public License or
// the GNU Lesser General Public License as follows:
//
// GNU General Public License Usage
// This library 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 3 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 General Public License at <<http://www.gnu.org/licenses/gpl.html>>
// for more details.
//
// GNU Lesser General Public License Usage
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation; either version 2.1 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 Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
// for more details.
//
//##################################################################################################
#include "cafPdmUiTreeViewEditor.h"
#include "cafPdmChildArrayField.h"
#include "cafPdmField.h"
#include "cafPdmObject.h"
#include "cafPdmUiCommandSystemProxy.h"
#include "cafPdmUiDragDropInterface.h"
#include "cafPdmUiEditorHandle.h"
#include "cafPdmUiTreeOrdering.h"
#include "cafPdmUiTreeViewQModel.h"
#include "cafSelectionManager.h"
#include <QDragMoveEvent>
#include <QEvent>
#include <QGridLayout>
#include <QMenu>
#include <QModelIndexList>
#include <QSortFilterProxyModel>
#include <QTreeView>
#include <QWidget>
namespace caf
{
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
class PdmUiTreeViewWidget : public QTreeView
{
public:
explicit PdmUiTreeViewWidget(QWidget* parent = nullptr) : QTreeView(parent) {};
virtual ~PdmUiTreeViewWidget() {};
bool isTreeItemEditWidgetActive() const
{
return state() == QAbstractItemView::EditingState;
}
protected:
virtual void dragMoveEvent(QDragMoveEvent* event)
{
caf::PdmUiTreeViewQModel* treeViewModel = dynamic_cast<caf::PdmUiTreeViewQModel*>(model());
if (treeViewModel && treeViewModel->dragDropInterface())
{
treeViewModel->dragDropInterface()->onProposedDropActionUpdated(event->proposedAction());
}
QTreeView::dragMoveEvent(event);
}
virtual void dragLeaveEvent(QDragLeaveEvent* event)
{
caf::PdmUiTreeViewQModel* treeViewModel = dynamic_cast<caf::PdmUiTreeViewQModel*>(model());
if (treeViewModel && treeViewModel->dragDropInterface())
{
treeViewModel->dragDropInterface()->onDragCanceled();
}
QTreeView::dragLeaveEvent(event);
}
};
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
PdmUiTreeViewEditor::PdmUiTreeViewEditor()
{
m_useDefaultContextMenu = false;
m_updateSelectionManager = false;
m_appendClassNameToUiItemText = false;
m_layout = nullptr;
m_treeView = nullptr;
m_treeViewModel = nullptr;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
PdmUiTreeViewEditor::~PdmUiTreeViewEditor()
{
m_treeViewModel->setPdmItemRoot(nullptr);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QWidget* PdmUiTreeViewEditor::createWidget(QWidget* parent)
{
m_mainWidget = new QWidget(parent);
m_layout = new QVBoxLayout();
m_layout->setContentsMargins(0, 0, 0, 0);
m_mainWidget->setLayout(m_layout);
m_treeViewModel = new caf::PdmUiTreeViewQModel(this);
m_treeView = new PdmUiTreeViewWidget(m_mainWidget);
m_treeView->setModel(m_treeViewModel);
m_treeView->installEventFilter(this);
connect(treeView()->selectionModel(), SIGNAL(selectionChanged( const QItemSelection & , const QItemSelection & )), SLOT(slotOnSelectionChanged( const QItemSelection & , const QItemSelection & )));
m_layout->addWidget(m_treeView);
updateContextMenuSignals();
return m_mainWidget;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::configureAndUpdateUi(const QString& uiConfigName)
{
PdmUiTreeViewEditorAttribute editorAttributes;
{
PdmUiObjectHandle* uiObjectHandle = dynamic_cast<PdmUiObjectHandle*>(this->pdmItemRoot());
if (uiObjectHandle)
{
uiObjectHandle->objectEditorAttribute(uiConfigName, &editorAttributes);
}
}
m_treeViewModel->setColumnHeaders(editorAttributes.columnHeaders);
m_treeViewModel->setUiConfigName(uiConfigName);
m_treeViewModel->setPdmItemRoot(this->pdmItemRoot());
if (editorAttributes.currentObject)
{
PdmUiObjectHandle* uiObjectHandle = editorAttributes.currentObject->uiCapability();
if (uiObjectHandle)
{
selectAsCurrentItem(uiObjectHandle);
}
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QTreeView* PdmUiTreeViewEditor::treeView()
{
return m_treeView;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool PdmUiTreeViewEditor::isTreeItemEditWidgetActive() const
{
return m_treeView->isTreeItemEditWidgetActive();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::selectedUiItems(std::vector<PdmUiItem*>& objects)
{
if (!this->treeView()) return;
QModelIndexList idxList = this->treeView()->selectionModel()->selectedIndexes();
for (int i = 0; i < idxList.size(); i++)
{
caf::PdmUiItem* item = this->m_treeViewModel->uiItemFromModelIndex(idxList[i]);
if (item)
{
objects.push_back(item);
}
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::updateMySubTree(PdmUiItem* uiItem)
{
if (m_treeViewModel) { m_treeViewModel->updateSubTree(uiItem); }
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::enableDefaultContextMenu(bool enable)
{
m_useDefaultContextMenu = enable;
updateContextMenuSignals();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::enableSelectionManagerUpdating(bool enable)
{
m_updateSelectionManager = enable;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::updateContextMenuSignals()
{
if (!m_treeView) return;
if (m_useDefaultContextMenu)
{
m_treeView->setContextMenuPolicy(Qt::CustomContextMenu);
connect(m_treeView, SIGNAL(customContextMenuRequested(QPoint)), SLOT(customMenuRequested(QPoint)));
}
else
{
m_treeView->setContextMenuPolicy(Qt::DefaultContextMenu);
disconnect(m_treeView, nullptr, this, nullptr);
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::customMenuRequested(QPoint pos)
{
// This seems a bit strange. Why ?
SelectionManager::instance()->setActiveChildArrayFieldHandle(this->currentChildArrayFieldHandle());
QMenu menu;
caf::PdmUiCommandSystemProxy::instance()->populateMenuWithDefaultCommands("PdmUiTreeViewEditor", &menu);
if (menu.actions().size() > 0)
{
// Qt doc: QAbstractScrollArea and its subclasses that map the context menu event to coordinates of the viewport().
QPoint globalPos = m_treeView->viewport()->mapToGlobal(pos);
menu.exec(globalPos);
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
PdmChildArrayFieldHandle* PdmUiTreeViewEditor::currentChildArrayFieldHandle()
{
PdmUiItem* currentSelectedItem = SelectionManager::instance()->selectedItem(SelectionManager::FIRST_LEVEL);
PdmUiFieldHandle* uiFieldHandle = dynamic_cast<PdmUiFieldHandle*>(currentSelectedItem);
if (uiFieldHandle)
{
PdmFieldHandle* fieldHandle = uiFieldHandle->fieldHandle();
if (dynamic_cast<PdmChildArrayFieldHandle*>(fieldHandle))
{
return dynamic_cast<PdmChildArrayFieldHandle*>(fieldHandle);
}
}
PdmObjectHandle* pdmObject = dynamic_cast<caf::PdmObjectHandle*>(currentSelectedItem);
if (pdmObject)
{
PdmChildArrayFieldHandle* parentChildArray = dynamic_cast<PdmChildArrayFieldHandle*>(pdmObject->parentField());
if (parentChildArray)
{
return parentChildArray;
}
}
return nullptr;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::selectAsCurrentItem(const PdmUiItem* uiItem)
{
QModelIndex index = m_treeViewModel->findModelIndex(uiItem);
m_treeView->setCurrentIndex(index);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::slotOnSelectionChanged(const QItemSelection & selected, const QItemSelection & deselected)
{
this->updateSelectionManager();
emit selectionChanged();
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::setExpanded(const PdmUiItem* uiItem, bool doExpand) const
{
QModelIndex index = m_treeViewModel->findModelIndex(uiItem);
m_treeView->setExpanded(index, doExpand);
m_treeView->scrollTo(index);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
PdmUiItem* PdmUiTreeViewEditor::uiItemFromModelIndex(const QModelIndex& index) const
{
return m_treeViewModel->uiItemFromModelIndex(index);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QModelIndex PdmUiTreeViewEditor::findModelIndex(const PdmUiItem* object) const
{
return m_treeViewModel->findModelIndex(object);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::setDragDropInterface(PdmUiDragDropInterface* dragDropInterface)
{
m_treeViewModel->setDragDropInterface(dragDropInterface);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool PdmUiTreeViewEditor::eventFilter(QObject *obj, QEvent *event)
{
if (event->type() == QEvent::FocusIn)
{
this->updateSelectionManager();
}
// standard event processing
return QObject::eventFilter(obj, event);
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::updateSelectionManager()
{
if (m_updateSelectionManager)
{
std::vector<PdmUiItem*> items;
this->selectedUiItems(items);
SelectionManager::instance()->setSelectedItems(items);
}
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
void PdmUiTreeViewEditor::enableAppendOfClassNameToUiItemText(bool enable)
{
m_appendClassNameToUiItemText = enable;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool PdmUiTreeViewEditor::isAppendOfClassNameToUiItemTextEnabled()
{
return m_appendClassNameToUiItemText;
}
} // end namespace caf