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#include "cppoutline.h"
#include <TranslationUnit.h>
#include <Symbol.h>
#include <coreplugin/ifile.h>
#include <coreplugin/editormanager/editormanager.h>
#include <cplusplus/OverviewModel.h>
#include <QtCore/QDebug>
#include <QtCore/QTimer>
#include <QtGui/QVBoxLayout>
#include <QtGui/QMenu>
using namespace CppEditor::Internal;
enum {
debug = false
};
CppOutlineTreeView::CppOutlineTreeView(QWidget *parent) :
Utils::NavigationTreeView(parent)
{
// see also QmlJSOutlineTreeView
setFocusPolicy(Qt::NoFocus);
setExpandsOnDoubleClick(false);
}
void CppOutlineTreeView::contextMenuEvent(QContextMenuEvent *event)
{
if (!event)
return;
QMenu contextMenu;
contextMenu.addAction(tr("Expand All"), this, SLOT(expandAll()));
contextMenu.addAction(tr("Collapse All"), this, SLOT(collapseAll()));
contextMenu.exec(event->globalPos());
event->accept();
}
CppOutlineFilterModel::CppOutlineFilterModel(CPlusPlus::OverviewModel *sourceModel, QObject *parent) :
QSortFilterProxyModel(parent),
m_sourceModel(sourceModel)
{
setSourceModel(m_sourceModel);
}
bool CppOutlineFilterModel::filterAcceptsRow(int sourceRow,
const QModelIndex &sourceParent) const
{
// ignore artifical "<Select Symbol>" entry
if (!sourceParent.isValid() && sourceRow == 0) {
return false;
}
// ignore generated symbols, e.g. by macro expansion (Q_OBJECT)
const QModelIndex sourceIndex = m_sourceModel->index(sourceRow, 0, sourceParent);
CPlusPlus::Symbol *symbol = m_sourceModel->symbolFromIndex(sourceIndex);
if (symbol && symbol->isGenerated())
return false;
return QSortFilterProxyModel::filterAcceptsRow(sourceRow, sourceParent);
}
CppOutlineWidget::CppOutlineWidget(CPPEditor *editor) :
TextEditor::IOutlineWidget(),
m_editor(editor),
m_treeView(new CppOutlineTreeView(this)),
m_model(m_editor->outlineModel()),
m_proxyModel(new CppOutlineFilterModel(m_model, this)),
m_enableCursorSync(true),
m_blockCursorSync(false)
{
QVBoxLayout *layout = new QVBoxLayout;
layout->setMargin(0);
layout->setSpacing(0);
layout->addWidget(m_treeView);
setLayout(layout);
m_treeView->setModel(m_proxyModel);
connect(m_model, SIGNAL(modelReset()), this, SLOT(modelUpdated()));
modelUpdated();
connect(m_editor, SIGNAL(outlineModelIndexChanged(QModelIndex)),
this, SLOT(updateSelectionInTree(QModelIndex)));
connect(m_treeView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
this, SLOT(updateSelectionInText(QItemSelection)));
connect(m_treeView, SIGNAL(doubleClicked(QModelIndex)),
this, SLOT(updateTextCursor(QModelIndex)));
}
QList<QAction*> CppOutlineWidget::filterMenuActions() const
{
return QList<QAction*>();
}
void CppOutlineWidget::setCursorSynchronization(bool syncWithCursor)
{
m_enableCursorSync = syncWithCursor;
if (m_enableCursorSync)
updateSelectionInTree(m_editor->outlineModelIndex());
}
void CppOutlineWidget::modelUpdated()
{
m_treeView->expandAll();
}
void CppOutlineWidget::updateSelectionInTree(const QModelIndex &index)
{
if (!syncCursor())
return;
QModelIndex proxyIndex = m_proxyModel->mapFromSource(index);
m_blockCursorSync = true;
if (debug)
qDebug() << "CppOutline - updating selection due to cursor move";
m_treeView->selectionModel()->select(proxyIndex, QItemSelectionModel::ClearAndSelect);
m_treeView->scrollTo(proxyIndex);
m_blockCursorSync = false;
}
void CppOutlineWidget::updateSelectionInText(const QItemSelection &selection)
{
if (!syncCursor())
return;
if (!selection.indexes().isEmpty()) {
QModelIndex proxyIndex = selection.indexes().first();
updateTextCursor(proxyIndex);
}
}
void CppOutlineWidget::updateTextCursor(const QModelIndex &proxyIndex)
{
QModelIndex index = m_proxyModel->mapToSource(proxyIndex);
CPlusPlus::Symbol *symbol = m_model->symbolFromIndex(index);
if (symbol) {
m_blockCursorSync = true;
if (debug)
qDebug() << "CppOutline - moving cursor to" << symbol->line() << symbol->column() - 1;
Core::EditorManager *editorManager = Core::EditorManager::instance();
editorManager->cutForwardNavigationHistory();
editorManager->addCurrentPositionToNavigationHistory();
// line has to be 1 based, column 0 based!
m_editor->gotoLine(symbol->line(), symbol->column() - 1);
m_blockCursorSync = false;
}
}
bool CppOutlineWidget::syncCursor()
{
return m_enableCursorSync && !m_blockCursorSync;
}
bool CppOutlineWidgetFactory::supportsEditor(Core::IEditor *editor) const
{
if (qobject_cast<CPPEditorEditable*>(editor))
return true;
return false;
}
TextEditor::IOutlineWidget *CppOutlineWidgetFactory::createWidget(Core::IEditor *editor)
{
CPPEditorEditable *cppEditable = qobject_cast<CPPEditorEditable*>(editor);
CPPEditor *cppEditor = qobject_cast<CPPEditor*>(cppEditable->widget());
Q_ASSERT(cppEditor);
CppOutlineWidget *widget = new CppOutlineWidget(cppEditor);
return widget;
}
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