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/*
<one line to give the program's name and a brief idea of what it does.>
Copyright 2010 David Nolden <david.nolden.kdevelop@art-master.de>
This program 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 2 of the License, or
(at your option) any later version.
This program 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 for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "persistentmovingrangeprivate.h"
#include <interfaces/icore.h>
#include <interfaces/ilanguagecontroller.h>
#include <backgroundparser/backgroundparser.h>
#include <KTextEditor/MovingInterface>
#include <KTextEditor/Document>
void KDevelop::PersistentMovingRangePrivate::connectTracker()
{
Q_ASSERT(m_tracker == nullptr);
Q_ASSERT(m_movingRange == nullptr);
m_tracker = ICore::self()->languageController()->backgroundParser()->trackerForUrl(m_document);
if (m_tracker) {
// Create a moving range
m_movingRange = m_tracker->documentMovingInterface()->newMovingRange(m_range);
if (m_shouldExpand)
m_movingRange->setInsertBehaviors(
KTextEditor::MovingRange::ExpandLeft | KTextEditor::MovingRange::ExpandRight);
// can't use new connect syntax here, MovingInterface is not a QObject
connect(m_tracker->document(), SIGNAL(aboutToDeleteMovingInterfaceContent(KTextEditor::Document*)), this,
SLOT(aboutToDeleteMovingInterfaceContent()));
connect(m_tracker->document(), SIGNAL(aboutToInvalidateMovingInterfaceContent(KTextEditor::Document*)), this,
SLOT(aboutToInvalidateMovingInterfaceContent()));
m_movingRange->setAttribute(m_attribte);
m_movingRange->setZDepth(m_zDepth);
}
}
void KDevelop::PersistentMovingRangePrivate::disconnectTracker()
{
Q_ASSERT(m_tracker);
Q_ASSERT(m_movingRange);
// can't use new connect syntax here, MovingInterface is not a QObject
disconnect(m_tracker->document(), SIGNAL(aboutToDeleteMovingInterfaceContent(KTextEditor::Document*)), this,
SLOT(aboutToDeleteMovingInterfaceContent()));
disconnect(m_tracker->document(), SIGNAL(aboutToInvalidateMovingInterfaceContent(
KTextEditor::Document*)), this,
SLOT(aboutToInvalidateMovingInterfaceContent()));
delete m_movingRange;
m_tracker.clear();
m_movingRange = nullptr;
}
void KDevelop::PersistentMovingRangePrivate::aboutToInvalidateMovingInterfaceContent()
{
if (m_movingRange) {
Q_ASSERT(m_tracker);
Q_ASSERT(m_movingRange);
m_valid = false; /// @todo More precise tracking: Why is the document being invalidated? Try
/// keeping the range alive. DocumentChangeTracker to the rescue.
delete m_movingRange;
m_movingRange = nullptr;
m_range = KTextEditor::Range::invalid();
}
}
void KDevelop::PersistentMovingRangePrivate::aboutToDeleteMovingInterfaceContent()
{
// The whole document is being closed. Map the range back to the last saved revision, and use that.
updateRangeFromMoving();
if (m_tracker && m_tracker->diskRevision()) {
if (m_movingRange)
m_range = m_tracker->diskRevision()->transformFromCurrentRevision(m_range).castToSimpleRange();
} else {
m_valid = false;
m_range = KTextEditor::Range::invalid();
}
// No need to disconnect, as the document is being deleted. Simply set the references to zero.
delete m_movingRange;
m_movingRange = nullptr;
m_tracker.clear();
}
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