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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "diffeditormanager.h"
#include "diffeditor.h"
#include "diffeditorconstants.h"
#include "diffeditordocument.h"
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/editormanager/documentmodel.h>
#include <coreplugin/id.h>
#include <utils/qtcassert.h>
namespace DiffEditor {
static DiffEditorManager *m_instance = 0;
DiffEditorManager::DiffEditorManager(QObject *parent)
: QObject(parent)
{
QTC_ASSERT(!m_instance, return);
m_instance = this;
Core::EditorManager *editorManager = Core::EditorManager::instance();
connect(editorManager, SIGNAL(editorsClosed(QList<Core::IEditor*>)),
this, SLOT(slotEditorsClosed(QList<Core::IEditor*>)));
}
DiffEditorManager::~DiffEditorManager()
{
m_instance = 0;
}
DiffEditorManager *DiffEditorManager::instance()
{
return m_instance;
}
void DiffEditorManager::slotEditorsClosed(const QList<Core::IEditor *> &editors)
{
QMap<Core::IDocument *, int> editorsForDocument;
for (int i = 0; i < editors.count(); i++) {
DiffEditor *diffEditor = qobject_cast<DiffEditor *>(editors.at(i));
if (diffEditor) {
Core::IDocument *document = diffEditor->document();
editorsForDocument[document]++;
}
}
QMapIterator<Core::IDocument *, int> it(editorsForDocument);
while (it.hasNext()) {
it.next();
if (Core::DocumentModel::editorsForDocument(it.key()).count() == 0) { // no other editors use that document
DiffEditorDocument *document
= qobject_cast<DiffEditorDocument *>(it.key());
if (document) {
const QString documentId = documentToId.value(document);
documentToId.remove(document);
idToDocument.remove(documentId);
}
}
}
}
DiffEditorDocument *DiffEditorManager::find(const QString &documentId)
{
return instance()->idToDocument.value(documentId);
}
DiffEditorDocument *DiffEditorManager::findOrCreate(const QString &documentId, const QString &displayName)
{
DiffEditorDocument *document = find(documentId);
if (document)
return document;
const QString msgWait = tr("Waiting for data...");
DiffEditor *diffEditor = qobject_cast<DiffEditor *>(
Core::EditorManager::openEditorWithContents(Constants::DIFF_EDITOR_ID,
0, msgWait.toUtf8()));
QTC_ASSERT(diffEditor, return 0);
document = qobject_cast<DiffEditorDocument *>(diffEditor->document());
QTC_ASSERT(diffEditor, return 0);
document->setDisplayName(displayName);
instance()->idToDocument.insert(documentId, document);
instance()->documentToId.insert(document, documentId);
return document;
}
} // namespace DiffEditor
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