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Copied in RPM/Fwk/AppFwk
Commented out use of stipple line, as VizFwk is not update yet
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Magne Sjaastad
419
Fwk/AppFwk/cafUserInterface/cafPdmUiTableViewEditor.cpp
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419
Fwk/AppFwk/cafUserInterface/cafPdmUiTableViewEditor.cpp
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//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) Ceetron Solutions AS
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//
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// This library may be used under the terms of either the GNU General Public License or
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// the GNU Lesser General Public License as follows:
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//
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// GNU General Public License Usage
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// This library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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// GNU Lesser General Public License Usage
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
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// for more details.
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//
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//##################################################################################################
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#include "cafPdmUiTableViewEditor.h"
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#include "cafPdmField.h"
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#include "cafPdmObject.h"
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#include "cafPdmUiCheckBoxDelegate.h"
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#include "cafPdmUiEditorHandle.h"
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#include "cafPdmUiCommandSystemProxy.h"
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#include "cafPdmUiTableViewDelegate.h"
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#include "cafPdmUiTableViewModel.h"
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#include <QApplication>
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#include <QGridLayout>
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#include <QLabel>
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#include <QMenu>
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#include <QTableView>
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#include <QWidget>
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#include <QEvent>
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namespace caf
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{
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class FocusEventHandler : public QObject
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{
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public:
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FocusEventHandler(PdmUiTableViewEditor* tableViewEditor)
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: QObject(tableViewEditor)
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{
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m_tableViewEditor = tableViewEditor;
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}
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protected:
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bool eventFilter(QObject *obj, QEvent *event)
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{
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if (event->type() == QEvent::FocusIn ||
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event->type() == QEvent::FocusOut)
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{
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m_tableViewEditor->tableViewWidgetFocusChanged(event);
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}
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// standard event processing
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return QObject::eventFilter(obj, event);
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}
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private:
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PdmUiTableViewEditor* m_tableViewEditor;
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};
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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PdmUiTableViewEditor::PdmUiTableViewEditor()
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{
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m_layout = NULL;;
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m_tableView = NULL;
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m_tableModelPdm = NULL;
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m_pdmListField = NULL;
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m_delegate = NULL;
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m_useDefaultContextMenu = false;
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m_checkboxDelegate = new PdmUiCheckBoxDelegate(this);
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m_selectionRole = SelectionManager::CURRENT;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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PdmUiTableViewEditor::~PdmUiTableViewEditor()
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{
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QWidget* PdmUiTableViewEditor::createWidget(QWidget* parent)
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{
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m_mainWidget = new QWidget(parent);
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m_layout = new QVBoxLayout();
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m_mainWidget->setLayout(m_layout);
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m_tableModelPdm = new PdmUiTableViewModel(m_mainWidget);
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m_delegate = new PdmUiTableViewDelegate(this, m_tableModelPdm);
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m_tableView = new QTableView(m_mainWidget);
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m_tableView->setShowGrid(true);
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m_tableView->setModel(m_tableModelPdm);
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connect(m_tableView->selectionModel(), SIGNAL(selectionChanged( const QItemSelection & , const QItemSelection & )), SLOT(slotSelectionChanged( const QItemSelection & , const QItemSelection & )));
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connect(m_tableView->selectionModel(), SIGNAL(currentChanged( const QModelIndex & , const QModelIndex & )), SLOT(slotCurrentChanged( const QModelIndex& , const QModelIndex& )));
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FocusEventHandler* tableViewWidgetFocusEventHandler = new FocusEventHandler(this);
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m_tableView->installEventFilter(tableViewWidgetFocusEventHandler);
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updateContextMenuSignals();
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QHBoxLayout* layoutForIconLabel = new QHBoxLayout();
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m_tableHeading = new QLabel(m_mainWidget);
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m_tableHeadingIcon = new QLabel(m_mainWidget);
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layoutForIconLabel->addWidget(m_tableHeadingIcon);
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layoutForIconLabel->addSpacing(5);
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layoutForIconLabel->addWidget(m_tableHeading);
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layoutForIconLabel->addStretch();
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m_layout->addItem(layoutForIconLabel);
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m_layout->addWidget(m_tableView);
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return m_mainWidget;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::configureAndUpdateUi(const QString& uiConfigName)
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{
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m_tableModelPdm->setPdmData(m_pdmListField, uiConfigName);
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if (m_tableModelPdm->rowCount() > 0)
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{
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for (int i = 0; i < m_tableModelPdm->columnCount(); i++)
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{
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if (m_tableModelPdm->isRepresentingBoolean(m_tableModelPdm->index(0, i)))
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{
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m_tableView->setItemDelegateForColumn(i, m_checkboxDelegate);
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}
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else
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{
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m_tableView->setItemDelegateForColumn(i, m_delegate);
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}
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}
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}
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if (m_pdmListField && uiField(m_pdmListField))
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{
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QString text = "";
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m_tableHeadingIcon->setPixmap(uiField(m_pdmListField)->uiIcon(uiConfigName).pixmap(16, 16));
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m_tableHeading->setText(uiField(m_pdmListField)->uiName(uiConfigName));
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}
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else
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{
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m_tableHeading->setText("");
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m_tableHeadingIcon->setPixmap(QPixmap());
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::setListField(PdmChildArrayFieldHandle* pdmListField)
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{
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m_pdmListField = pdmListField;
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caf::PdmUiFieldHandle* uifield = uiField(m_pdmListField);
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this->bindToPdmItem(uifield);
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if (!m_pdmListField)
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{
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m_tableModelPdm->setPdmData(NULL, "");
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m_tableHeading->setText("");
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m_tableHeadingIcon->setPixmap(QPixmap());
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::selectedUiItems(const QModelIndexList& modelIndexList, std::vector<PdmUiItem*>& objects)
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{
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for (int i = 0; i < modelIndexList.size(); i++)
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{
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QModelIndex mi = modelIndexList[i];
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int row = mi.row();
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caf::PdmUiObjectHandle* uiObject = uiObj(m_tableModelPdm->pdmObjectForRow(row));
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if (uiObject)
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{
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objects.push_back(uiObject);
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}
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::customMenuRequested(QPoint pos)
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{
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// This is function is required to execute before populating the menu
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// Several commands rely on the activeChildArrayFieldHandle in the selection manager
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SelectionManager::instance()->setActiveChildArrayFieldHandle(m_pdmListField);
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QMenu menu;
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caf::PdmUiCommandSystemProxy::instance()->populateMenuWithDefaultCommands("PdmUiTreeViewEditor", &menu);
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if (menu.actions().size() > 0)
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{
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// Qt doc: QAbstractScrollArea and its subclasses that map the context menu event to coordinates of the viewport().
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QPoint globalPos = m_tableView->viewport()->mapToGlobal(pos);
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menu.exec(globalPos);
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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QTableView* PdmUiTableViewEditor::tableView()
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{
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return m_tableView;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::enableDefaultContextMenu(bool enable)
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{
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m_useDefaultContextMenu = enable;
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updateContextMenuSignals();
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::updateContextMenuSignals()
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{
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if (!m_tableView) return;
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if (m_useDefaultContextMenu)
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{
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m_tableView->setContextMenuPolicy(Qt::CustomContextMenu);
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connect(m_tableView, SIGNAL(customContextMenuRequested(QPoint)), SLOT(customMenuRequested(QPoint)));
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}
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else
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{
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m_tableView->setContextMenuPolicy(Qt::DefaultContextMenu);
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disconnect(m_tableView, 0, this, 0);
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::setSelectionRole(SelectionManager::SelectionRole role)
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{
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m_selectionRole = role;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::slotCurrentChanged(const QModelIndex & current, const QModelIndex & previous)
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{
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if (isSelectionRoleDefined())
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{
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std::vector<PdmUiItem*> items;
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QModelIndexList list;
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list.append(current);
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selectedUiItems(list, items);
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SelectionManager::instance()->setSelectedItems(items, m_selectionRole);
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::handleModelSelectionChange()
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{
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if (isSelectionRoleDefined())
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{
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std::vector<PdmUiItem*> items;
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SelectionManager::instance()->selectedItems(items, m_selectionRole);
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// TODO: Handle multiple selection
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if (items.size() == 1)
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{
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PdmObject* pdmObj = dynamic_cast<PdmObject*>(items[0]);
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QItemSelection itemSelection = m_tableModelPdm->modelIndexFromPdmObject(pdmObj);
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if (itemSelection.size() > 0)
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{
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m_tableView->selectionModel()->select(itemSelection, QItemSelectionModel::SelectCurrent);
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}
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}
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}
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}
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//--------------------------------------------------------------------------------------------------
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/// NOTE: If no selection role is defined, the selection manager is not changed, the selection in the
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/// editor is local to the editor
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::slotSelectionChanged(const QItemSelection & selected, const QItemSelection & deselected)
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{
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updateSelectionManagerFromTableSelection();
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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bool PdmUiTableViewEditor::isSelectionRoleDefined() const
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{
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return m_selectionRole != SelectionManager::UNDEFINED;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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PdmObjectHandle* PdmUiTableViewEditor::pdmObjectFromModelIndex(const QModelIndex& mi)
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{
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if (mi.isValid())
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{
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return m_tableModelPdm->pdmObjectForRow(mi.row());
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}
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return NULL;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::tableViewWidgetFocusChanged(QEvent* focusEvent)
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{
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if (m_delegate->isEditorOpen())
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{
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// The table view emits focus out when a table cell editor is active
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// Do not update the selection when this state occurs
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return;
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}
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if (isSelectionRoleDefined())
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{
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if (focusEvent->type() == QEvent::FocusIn)
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{
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updateSelectionManagerFromTableSelection();
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}
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else if (focusEvent->type() == QEvent::FocusOut)
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{
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SelectionManager::instance()->clear(m_selectionRole);
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}
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}
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void PdmUiTableViewEditor::updateSelectionManagerFromTableSelection()
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{
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if (isSelectionRoleDefined())
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{
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std::vector<PdmUiItem*> items;
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QModelIndexList modelIndexList = m_tableView->selectionModel()->selectedIndexes();
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for (int i = 0; i < modelIndexList.size(); i++)
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{
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QModelIndex mi = modelIndexList[i];
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PdmFieldHandle* pdmFieldHandle = m_tableModelPdm->getField(mi);
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PdmUiFieldHandle* uiFieldHandle = uiField(pdmFieldHandle);
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if (uiFieldHandle)
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{
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items.push_back(uiFieldHandle);
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}
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}
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if (items.size() > 1)
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{
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// Selection of a single row is handled by slotCurrentChanged()
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// Multiple selection of fields is handled here
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SelectionManager::instance()->setSelectedItems(items, m_selectionRole);
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}
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}
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}
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} // end namespace caf
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