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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "diffeditorconstants.h"
#include "diffeditorcontroller.h"
#include "diffeditordocument.h"
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/editormanager/ieditor.h>
#include <coreplugin/icore.h>
#include <utils/qtcassert.h>
#include <QStringList>
namespace DiffEditor {
DiffEditorController::DiffEditorController(Core::IDocument *document) :
QObject(document),
m_document(qobject_cast<Internal::DiffEditorDocument *>(document)),
m_isReloading(false),
m_diffFileIndex(-1),
m_chunkIndex(-1)
{
QTC_ASSERT(m_document, return);
m_document->setController(this);
}
bool DiffEditorController::isReloading() const
{
return m_isReloading;
}
QString DiffEditorController::baseDirectory() const
{
return m_document->baseDirectory();
}
int DiffEditorController::contextLineCount() const
{
return m_document->contextLineCount();
}
bool DiffEditorController::ignoreWhitespace() const
{
return m_document->ignoreWhitespace();
}
QString DiffEditorController::revisionFromDescription() const
{
// TODO: This is specific for git and does not belong here at all!
return m_document->description().mid(7, 12);
}
QString DiffEditorController::makePatch(bool revert, bool addPrefix) const
{
return m_document->makePatch(m_diffFileIndex, m_chunkIndex, revert, addPrefix);
}
Core::IDocument *DiffEditorController::findOrCreateDocument(const QString &vcsId,
const QString &displayName)
{
QString preferredDisplayName = displayName;
Core::IEditor *editor = Core::EditorManager::openEditorWithContents(
Constants::DIFF_EDITOR_ID, &preferredDisplayName, QByteArray(), vcsId);
return editor ? editor->document() : 0;
}
DiffEditorController *DiffEditorController::controller(Core::IDocument *document)
{
auto doc = qobject_cast<Internal::DiffEditorDocument *>(document);
return doc ? doc->controller() : 0;
}
void DiffEditorController::setDiffFiles(const QList<FileData> &diffFileList,
const QString &workingDirectory,
const QString &startupFile)
{
m_document->setDiffFiles(diffFileList, workingDirectory, startupFile);
}
void DiffEditorController::setDescription(const QString &description)
{
m_document->setDescription(description);
}
void DiffEditorController::informationForCommitReceived(const QString &output)
{
// TODO: Git specific code...
const QString branches = prepareBranchesForCommit(output);
QString tmp = m_document->description();
tmp.replace(QLatin1String(Constants::EXPAND_BRANCHES), branches);
m_document->setDescription(tmp);
}
void DiffEditorController::requestMoreInformation()
{
const QString rev = revisionFromDescription();
if (!rev.isEmpty())
emit requestInformationForCommit(rev);
}
QString DiffEditorController::prepareBranchesForCommit(const QString &output)
{
// TODO: More git-specific code...
QString moreBranches;
QString branches;
QStringList res;
foreach (const QString &branch, output.split(QLatin1Char('\n'))) {
const QString b = branch.mid(2).trimmed();
if (!b.isEmpty())
res << b;
}
const int branchCount = res.count();
// If there are more than 20 branches, list first 10 followed by a hint
if (branchCount > 20) {
const int leave = 10;
//: Displayed after the untranslated message "Branches: branch1, branch2 'and %n more'"
// in git show.
moreBranches = QLatin1Char(' ') + tr("and %n more", 0, branchCount - leave);
res.erase(res.begin() + leave, res.end());
}
branches = QLatin1String("Branches: ");
if (res.isEmpty())
branches += tr("<None>");
else
branches += res.join(QLatin1String(", ")) + moreBranches;
return branches;
}
/**
* @brief Force the lines of context to the given number.
*
* The user will not be able to change the context lines anymore. This needs to be set before
* starting any operation or the flag will be ignored by the UI.
*
* @param lines Lines of context to display.
*/
void DiffEditorController::forceContextLineCount(int lines)
{
m_document->forceContextLineCount(lines);
}
Core::IDocument *DiffEditorController::document() const
{
return m_document;
}
/**
* @brief Request the diff data to be re-read.
*/
void DiffEditorController::requestReload()
{
m_isReloading = true;
m_document->beginReload();
reload();
}
void DiffEditorController::reloadFinished(bool success)
{
m_document->endReload(success);
m_isReloading = false;
}
void DiffEditorController::requestChunkActions(QMenu *menu, int diffFileIndex, int chunkIndex)
{
m_diffFileIndex = diffFileIndex;
m_chunkIndex = chunkIndex;
emit chunkActionsRequested(menu, diffFileIndex >= 0 && chunkIndex >= 0);
}
} // namespace DiffEditor
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