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327
src/plugins/projectexplorer/projecttreewidget.cpp
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327
src/plugins/projectexplorer/projecttreewidget.cpp
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/***************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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**
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** Non-Open Source Usage
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**
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** Licensees may use this file in accordance with the Qt Beta Version
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** License Agreement, Agreement version 2.2 provided with the Software or,
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** alternatively, in accordance with the terms contained in a written
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** agreement between you and Nokia.
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**
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** GNU General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the packaging
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** of this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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**
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** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt GPL Exception version
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** 1.2, included in the file GPL_EXCEPTION.txt in this package.
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**
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***************************************************************************/
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#include "projecttreewidget.h"
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#include "projectexplorer.h"
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#include "projectexplorerconstants.h"
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#include "projectmodels.h"
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#include <coreplugin/icore.h>
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#include <coreplugin/editormanager/editormanager.h>
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#include <QtGui/QHeaderView>
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#include <QtGui/QVBoxLayout>
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#include <QtGui/QToolButton>
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#include <QtGui/QFocusEvent>
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#include <QtCore/QDebug>
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using namespace ProjectExplorer;
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using namespace ProjectExplorer::Internal;
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namespace {
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bool debug = false;
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}
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class ProjectTreeView : public QTreeView
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{
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public:
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ProjectTreeView()
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{
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setEditTriggers(QAbstractItemView::EditKeyPressed);
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setFrameStyle(QFrame::NoFrame);
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setIndentation(indentation() * 9/10);
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{
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QHeaderView *treeHeader = header();
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treeHeader->setVisible(false);
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treeHeader->setResizeMode(QHeaderView::ResizeToContents);
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treeHeader->setStretchLastSection(true);
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}
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setContextMenuPolicy(Qt::CustomContextMenu);
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setUniformRowHeights(true);
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setTextElideMode(Qt::ElideNone);
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// setExpandsOnDoubleClick(false);
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}
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protected:
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// This is a workaround to stop Qt from redrawing the project tree every
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// time the user opens or closes a menu when it has focus. Would be nicer to
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// fix it in Qt.
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void focusInEvent(QFocusEvent *event)
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{
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if (event->reason() != Qt::PopupFocusReason)
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QTreeView::focusInEvent(event);
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}
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void focusOutEvent(QFocusEvent *event)
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{
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if (event->reason() != Qt::PopupFocusReason)
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QTreeView::focusOutEvent(event);
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}
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};
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/*!
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/class ProjectTreeWidget
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Shows the projects in form of a tree.
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*/
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ProjectTreeWidget::ProjectTreeWidget(Core::ICore *core, QWidget *parent)
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: QWidget(parent),
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m_core(core),
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m_explorer(ProjectExplorerPlugin::instance()),
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m_view(0),
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m_model(0),
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m_filterProjectsAction(0),
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m_autoSync(false)
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{
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m_model = new FlatModel(m_explorer->session()->sessionNode(), this);
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m_view = new ProjectTreeView;
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m_view->setModel(m_model);
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setFocusProxy(m_view);
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initView();
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QVBoxLayout *layout = new QVBoxLayout();
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layout->addWidget(m_view);
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layout->setContentsMargins(0, 0, 0, 0);
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setLayout(layout);
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m_filterProjectsAction = new QAction(tr("Simplify tree"), this);
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m_filterProjectsAction->setCheckable(true);
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m_filterProjectsAction->setChecked(false); // default is the traditional complex tree
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connect(m_filterProjectsAction, SIGNAL(toggled(bool)), this, SLOT(setProjectFilter(bool)));
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m_filterGeneratedFilesAction = new QAction(tr("Hide generated files"), this);
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m_filterGeneratedFilesAction->setCheckable(true);
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m_filterGeneratedFilesAction->setChecked(true);
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connect(m_filterGeneratedFilesAction, SIGNAL(toggled(bool)), this, SLOT(setGeneratedFilesFilter(bool)));
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// connections
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connect(m_model, SIGNAL(modelReset()),
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this, SLOT(initView()));
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connect(m_view, SIGNAL(activated(const QModelIndex&)),
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this, SLOT(openItem(const QModelIndex&)));
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connect(m_view->selectionModel(), SIGNAL(currentChanged(const QModelIndex&, const QModelIndex&)),
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this, SLOT(handleCurrentItemChange(const QModelIndex&)));
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connect(m_view, SIGNAL(customContextMenuRequested(const QPoint&)),
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this, SLOT(showContextMenu(const QPoint&)));
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connect(m_explorer->session(), SIGNAL(singleProjectAdded(ProjectExplorer::Project *)),
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this, SLOT(handleProjectAdded(ProjectExplorer::Project *)));
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connect(m_explorer->session(), SIGNAL(startupProjectChanged(ProjectExplorer::Project *)),
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this, SLOT(startupProjectChanged(ProjectExplorer::Project *)));
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setAutoSynchronization(true);
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}
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void ProjectTreeWidget::toggleAutoSynchronization()
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{
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setAutoSynchronization(!m_autoSync);
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}
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bool ProjectTreeWidget::autoSynchronization() const
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{
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return m_autoSync;
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}
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void ProjectTreeWidget::setAutoSynchronization(bool sync, bool syncNow)
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{
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if (sync == m_autoSync)
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return;
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m_autoSync = sync;
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if (debug)
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qDebug() << (m_autoSync ? "Enabling auto synchronization" : "Disabling auto synchronization");
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if (m_autoSync) {
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connect(m_explorer, SIGNAL(currentNodeChanged(ProjectExplorer::Node*, ProjectExplorer::Project*)),
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this, SLOT(setCurrentItem(ProjectExplorer::Node*, ProjectExplorer::Project*)));
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if (syncNow)
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setCurrentItem(m_explorer->currentNode(), m_explorer->currentProject());
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} else {
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disconnect(m_explorer, SIGNAL(currentNodeChanged(ProjectExplorer::Node*, ProjectExplorer::Project*)),
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this, SLOT(setCurrentItem(ProjectExplorer::Node*, ProjectExplorer::Project*)));
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}
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}
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void ProjectTreeWidget::editCurrentItem()
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{
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if (!m_view->selectionModel()->selectedIndexes().isEmpty())
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m_view->edit(m_view->selectionModel()->selectedIndexes().first());
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}
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void ProjectTreeWidget::setCurrentItem(Node *node, Project *project)
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{
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if (debug)
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qDebug() << "ProjectTreeWidget::setCurrentItem(" << (project ? project->name() : "0")
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<< ", " << (node ? node->path() : "0") << ")";
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if (!project) {
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m_view->selectionModel()->reset();
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return;
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}
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const QModelIndex mainIndex = m_model->indexForNode(node);
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if (!mainIndex.isValid()) {
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if (debug)
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qDebug() << "no main index, clear selection";
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m_view->selectionModel()->clearSelection();
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} else if (mainIndex != m_view->selectionModel()->currentIndex()) {
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QItemSelectionModel *selections = m_view->selectionModel();
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if (debug)
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qDebug() << "ProjectTreeWidget - changing selection";
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selections->setCurrentIndex(mainIndex, QItemSelectionModel::SelectCurrent
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| QItemSelectionModel::Clear);
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m_view->scrollTo(mainIndex);
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}
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}
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void ProjectTreeWidget::handleCurrentItemChange(const QModelIndex ¤t)
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{
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Node *node = m_model->nodeForIndex(current);
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Q_ASSERT(node);
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bool autoSync = autoSynchronization();
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setAutoSynchronization(false);
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m_explorer->setCurrentNode(node);
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setAutoSynchronization(autoSync, false);
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}
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void ProjectTreeWidget::showContextMenu(const QPoint &pos)
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{
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QModelIndex index = m_view->indexAt(pos);
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Node *node = m_model->nodeForIndex(index);
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m_explorer->showContextMenu(m_view->mapToGlobal(pos), node);
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}
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void ProjectTreeWidget::handleProjectAdded(ProjectExplorer::Project *project)
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{
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Node *node = project->rootProjectNode();
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QModelIndex idx = m_model->indexForNode(node);
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m_view->setExpanded(idx, true);
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}
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void ProjectTreeWidget::startupProjectChanged(ProjectExplorer::Project *project)
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{
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if (project) {
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ProjectNode *node = project->rootProjectNode();
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m_model->setStartupProject(node);
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} else {
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m_model->setStartupProject(0);
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}
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}
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void ProjectTreeWidget::initView()
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{
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QModelIndex sessionIndex = m_model->index(0, 0);
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// hide root folder
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m_view->setRootIndex(sessionIndex);
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while (m_model->canFetchMore(sessionIndex))
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m_model->fetchMore(sessionIndex);
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// expand top level projects
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for (int i = 0; i < m_model->rowCount(sessionIndex); ++i) {
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m_view->expand(m_model->index(i, 0, sessionIndex));
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}
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setCurrentItem(m_explorer->currentNode(), m_explorer->currentProject());
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}
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void ProjectTreeWidget::openItem(const QModelIndex &mainIndex)
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{
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Node *node = m_model->nodeForIndex(mainIndex);
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if (node->nodeType() == FileNodeType) {
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m_core->editorManager()->openEditor(node->path());
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m_core->editorManager()->ensureEditorManagerVisible();
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}
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}
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void ProjectTreeWidget::setProjectFilter(bool filter)
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{
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m_model->setProjectFilterEnabled(filter);
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m_filterProjectsAction->setChecked(filter);
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}
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void ProjectTreeWidget::setGeneratedFilesFilter(bool filter)
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{
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m_model->setGeneratedFilesFilterEnabled(filter);
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m_filterGeneratedFilesAction->setChecked(filter);
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}
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ProjectTreeWidgetFactory::ProjectTreeWidgetFactory(Core::ICore *core)
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: m_core(core)
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{
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}
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ProjectTreeWidgetFactory::~ProjectTreeWidgetFactory()
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{
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}
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QString ProjectTreeWidgetFactory::displayName()
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{
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return tr("Projects");
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}
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QKeySequence ProjectTreeWidgetFactory::activationSequence()
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{
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return QKeySequence(Qt::ALT + Qt::Key_X);
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}
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Core::NavigationView ProjectTreeWidgetFactory::createWidget()
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{
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Core::NavigationView n;
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ProjectTreeWidget *ptw = new ProjectTreeWidget(m_core);
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n.widget = ptw;
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QToolButton *filter = new QToolButton;
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filter->setProperty("type", "dockbutton");
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filter->setIcon(QIcon(":/projectexplorer/images/filtericon.png"));
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filter->setToolTip(tr("Filter tree"));
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filter->setPopupMode(QToolButton::InstantPopup);
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QMenu *filterMenu = new QMenu(filter);
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filterMenu->addAction(ptw->m_filterProjectsAction);
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filterMenu->addAction(ptw->m_filterGeneratedFilesAction);
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filter->setMenu(filterMenu);
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QToolButton *toggleSync = new QToolButton;
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toggleSync->setProperty("type", "dockbutton");
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toggleSync->setIcon(QIcon(":/qworkbench/images/linkicon.png"));
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toggleSync->setCheckable(true);
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toggleSync->setChecked(ptw->autoSynchronization());
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toggleSync->setToolTip(tr("Synchronize with Editor"));
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connect(toggleSync, SIGNAL(clicked(bool)), ptw, SLOT(toggleAutoSynchronization()));
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n.doockToolBarWidgets << filter << toggleSync;
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return n;
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}
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