Files
qt-creator/src/plugins/git/stashdialog.cpp
Friedemann Kleint 18ab532e56 VCS[git]: Make Branchdialog non-modal as is StashDialog.
Give dialogs a consistent look, set
WA_DeleteOnClose on them and improve updating.
Add a Refresh/Diff buttons to branch dialog.
2010-01-27 12:47:23 +01:00

422 lines
15 KiB
C++

/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
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**
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** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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**
** GNU Lesser General Public License Usage
**
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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#include "stashdialog.h"
#include "gitclient.h"
#include "gitplugin.h"
#include "gitutils.h"
#include "ui_stashdialog.h"
#include <utils/qtcassert.h>
#include <vcsbase/vcsbaseoutputwindow.h>
#include <QtCore/QDebug>
#include <QtCore/QModelIndex>
#include <QtCore/QDateTime>
#include <QtGui/QStandardItemModel>
#include <QtGui/QSortFilterProxyModel>
#include <QtGui/QItemSelectionModel>
#include <QtGui/QMessageBox>
#include <QtGui/QPushButton>
enum { NameColumn, BranchColumn, MessageColumn, ColumnCount };
namespace Git {
namespace Internal {
static inline GitClient *gitClient()
{
return GitPlugin::instance()->gitClient();
}
static inline QList<QStandardItem*> stashModelRowItems(const Stash &s)
{
Qt::ItemFlags itemFlags = Qt::ItemIsSelectable|Qt::ItemIsEnabled;
QStandardItem *nameItem = new QStandardItem(s.name);
nameItem->setFlags(itemFlags);
QStandardItem *branchItem = new QStandardItem(s.branch);
branchItem->setFlags(itemFlags);
QStandardItem *messageItem = new QStandardItem(s.message);
messageItem->setFlags(itemFlags);
QList<QStandardItem*> rc;
rc << nameItem << branchItem << messageItem;
return rc;
}
// ----------- StashModel
class StashModel : public QStandardItemModel {
public:
explicit StashModel(QObject *parent = 0);
void setStashes(const QList<Stash> &stashes);
const Stash &at(int i) { return m_stashes.at(i); }
private:
QList<Stash> m_stashes;
};
StashModel::StashModel(QObject *parent) :
QStandardItemModel(0, ColumnCount, parent)
{
QStringList headers;
headers << StashDialog::tr("Name") << StashDialog::tr("Branch") << StashDialog::tr("Message");
setHorizontalHeaderLabels(headers);
}
void StashModel::setStashes(const QList<Stash> &stashes)
{
m_stashes = stashes;
if (const int rows = rowCount())
removeRows(0, rows);
foreach(const Stash &s, stashes)
appendRow(stashModelRowItems(s));
}
// ---------- StashDialog
StashDialog::StashDialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::StashDialog),
m_model(new StashModel),
m_proxyModel(new QSortFilterProxyModel),
m_deleteAllButton(new QPushButton(tr("Delete all..."))),
m_deleteSelectionButton(new QPushButton(tr("Delete..."))),
m_showCurrentButton(new QPushButton(tr("Show"))),
m_restoreCurrentButton(new QPushButton(tr("Restore..."))),
m_restoreCurrentInBranchButton(new QPushButton(tr("Restore to branch..."))),
m_refreshButton(new QPushButton(tr("Refresh")))
{
setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
setAttribute(Qt::WA_DeleteOnClose, true); // Do not update unnecessarily
ui->setupUi(this);
// Buttons
ui->buttonBox->addButton(m_showCurrentButton, QDialogButtonBox::ActionRole);
connect(m_showCurrentButton, SIGNAL(clicked()), this, SLOT(showCurrent()));
ui->buttonBox->addButton(m_refreshButton, QDialogButtonBox::ActionRole);
connect(m_refreshButton, SIGNAL(clicked()), this, SLOT(forceRefresh()));
ui->buttonBox->addButton(m_restoreCurrentButton, QDialogButtonBox::ActionRole);
connect(m_restoreCurrentButton, SIGNAL(clicked()), this, SLOT(restoreCurrent()));
ui->buttonBox->addButton(m_restoreCurrentInBranchButton, QDialogButtonBox::ActionRole);
connect(m_restoreCurrentInBranchButton, SIGNAL(clicked()), this, SLOT(restoreCurrentInBranch()));
ui->buttonBox->addButton(m_deleteSelectionButton, QDialogButtonBox::ActionRole);
connect(m_deleteSelectionButton, SIGNAL(clicked()), this, SLOT(deleteSelection()));
ui->buttonBox->addButton(m_deleteAllButton, QDialogButtonBox::ActionRole);
connect(m_deleteAllButton, SIGNAL(clicked()), this, SLOT(deleteAll()));
// Models
m_proxyModel->setSourceModel(m_model);
m_proxyModel->setFilterKeyColumn(-1);
m_proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
ui->stashView->setModel(m_proxyModel);
ui->stashView->setSelectionMode(QAbstractItemView::MultiSelection);
connect(ui->filterLineEdit, SIGNAL(filterChanged(QString)), m_proxyModel, SLOT(setFilterFixedString(QString)));
connect(ui->stashView->selectionModel(), SIGNAL(currentRowChanged(QModelIndex,QModelIndex)),
this, SLOT(enableButtons()));
connect(ui->stashView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
this, SLOT(enableButtons()));
connect(ui->stashView, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(showCurrent()));
ui->stashView->setFocus();
}
StashDialog::~StashDialog()
{
delete ui;
}
void StashDialog::changeEvent(QEvent *e)
{
QDialog::changeEvent(e);
switch (e->type()) {
case QEvent::LanguageChange:
ui->retranslateUi(this);
break;
default:
break;
}
}
QString StashDialog::msgRepositoryLabel(const QString &repository)
{
return repository.isEmpty() ?
tr("<No repository>") :
tr("Repository: %1").arg(repository);
}
void StashDialog::refresh(const QString &repository, bool force)
{
if (m_repository == repository && !force)
return;
// Refresh
m_repository = repository;
ui->repositoryLabel->setText(msgRepositoryLabel(repository));
if (m_repository.isEmpty()) {
m_model->setStashes(QList<Stash>());
} else {
QList<Stash> stashes;
gitClient()->synchronousStashList(m_repository, &stashes);
m_model->setStashes(stashes);
if (!stashes.isEmpty()) {
for(int c = 0; c < ColumnCount; c++)
ui->stashView->resizeColumnToContents(c);
}
}
enableButtons();
}
void StashDialog::deleteAll()
{
const QString title = tr("Delete stashes");
if (!ask(title, tr("Do you want to delete all stashes?")))
return;
QString errorMessage;
if (gitClient()->synchronousStashRemove(m_repository, QString(), &errorMessage)) {
refresh(m_repository, true);
} else {
warning(title, errorMessage);
}
}
void StashDialog::deleteSelection()
{
const QList<int> rows = selectedRows();
QTC_ASSERT(!rows.isEmpty(), return)
const QString title = tr("Delete stashes");
if (!ask(title, tr("Do you want to delete %n stash(es)?", 0, rows.size())))
return;
QString errorMessage;
QStringList errors;
// Delete in reverse order as stashes rotate
for (int r = rows.size() - 1; r >= 0; r--)
if (!gitClient()->synchronousStashRemove(m_repository, m_model->at(r).name, &errorMessage))
errors.push_back(errorMessage);
refresh(m_repository, true);
if (!errors.isEmpty())
warning(title, errors.join(QString(QLatin1Char('\n'))));
}
void StashDialog::showCurrent()
{
const int index = currentRow();
QTC_ASSERT(index >= 0, return)
gitClient()->show(m_repository, m_model->at(index).name);
}
// Suggest Branch name to restore 'stash@{0}' -> 'stash0-date'
static inline QString stashRestoreDefaultBranch(QString stash)
{
stash.remove(QLatin1Char('{'));
stash.remove(QLatin1Char('}'));
stash.remove(QLatin1Char('@'));
stash += QLatin1Char('-');
stash += QDateTime::currentDateTime().toString(QLatin1String("yyMMddhhmmss"));
return stash;
}
// Return next stash id 'stash@{0}' -> 'stash@{1}'
static inline QString nextStash(const QString &stash)
{
const int openingBracePos = stash.indexOf(QLatin1Char('{'));
if (openingBracePos == -1)
return QString();
const int closingBracePos = stash.indexOf(QLatin1Char('}'), openingBracePos + 2);
if (closingBracePos == -1)
return QString();
bool ok;
const int n = stash.mid(openingBracePos + 1, closingBracePos - openingBracePos - 1).toInt(&ok);
if (!ok)
return QString();
QString rc = stash.left(openingBracePos + 1);
rc += QString::number(n + 1);
rc += QLatin1Char('}');
return rc;
}
StashDialog::ModifiedRepositoryAction StashDialog::promptModifiedRepository(const QString &stash)
{
QMessageBox box(QMessageBox::Question,
tr("Repository modified"),
tr("%1 cannot be restored since the repository is modified.\n"
"You can choose between stashing the changes or discarding them.").arg(stash),
QMessageBox::Cancel, this);
QPushButton *stashButton = box.addButton(tr("Stash"), QMessageBox::AcceptRole);
QPushButton *discardButton = box.addButton(tr("Discard"), QMessageBox::AcceptRole);
box.exec();
const QAbstractButton *clickedButton = box.clickedButton();
if (clickedButton == stashButton)
return ModifiedRepositoryStash;
if (clickedButton == discardButton)
return ModifiedRepositoryDiscard;
return ModifiedRepositoryCancel;
}
// Prompt for restore: Make sure repository is unmodified,
// prompt for a branch if desired or just ask to restore.
// Note that the stash to be restored changes if the user
// chooses to stash away modified repository.
bool StashDialog::promptForRestore(QString *stash,
QString *branch /* = 0*/,
QString *errorMessage)
{
const QString stashIn = *stash;
bool modifiedPromptShown = false;
switch (gitClient()->gitStatus(m_repository, false, 0, errorMessage)) {
case GitClient::StatusFailed:
return false;
case GitClient::StatusChanged: {
switch (promptModifiedRepository(*stash)) {
case ModifiedRepositoryCancel:
return false;
case ModifiedRepositoryStash:
if (gitClient()->synchronousStash(m_repository, QString(), GitClient::StashPromptDescription).isEmpty())
return false;
*stash = nextStash(*stash); // Our stash id to be restored changed
QTC_ASSERT(!stash->isEmpty(), return false)
break;
case ModifiedRepositoryDiscard:
if (!gitClient()->synchronousReset(m_repository))
return false;
break;
}
modifiedPromptShown = true;
}
break;
case GitClient::StatusUnchanged:
break;
}
// Prompt for branch or just ask.
if (branch) {
*branch = stashRestoreDefaultBranch(*stash);
if (!inputText(this, tr("Restore Stash to Branch"), tr("Branch:"), branch)
|| branch->isEmpty())
return false;
} else {
if (!modifiedPromptShown && !ask(tr("Stash Restore"), tr("Would you like to restore %1?").arg(stashIn)))
return false;
}
return true;
}
static inline QString msgRestoreFailedTitle(const QString &stash)
{
return StashDialog::tr("Error restoring %1").arg(stash);
}
void StashDialog::restoreCurrent()
{
const int index = currentRow();
QTC_ASSERT(index >= 0, return)
QString errorMessage;
QString name = m_model->at(index).name;
// Make sure repository is not modified, restore. The command will
// output to window on success.
const bool success = promptForRestore(&name, 0, &errorMessage)
&& gitClient()->synchronousStashRestore(m_repository, name, QString(), &errorMessage);
if (success) {
refresh(m_repository, true); // Might have stashed away local changes.
} else {
if (!errorMessage.isEmpty())
warning(msgRestoreFailedTitle(name), errorMessage);
}
}
void StashDialog::restoreCurrentInBranch()
{
const int index = currentRow();
QTC_ASSERT(index >= 0, return)
QString errorMessage;
QString branch;
QString name = m_model->at(index).name;
const bool success = promptForRestore(&name, &branch, &errorMessage)
&& gitClient()->synchronousStashRestore(m_repository, name, branch, &errorMessage);
if (success) {
refresh(m_repository, true); // git deletes the stash, unfortunately.
} else {
if (!errorMessage.isEmpty())
warning(msgRestoreFailedTitle(name), errorMessage);
}
}
int StashDialog::currentRow() const
{
const QModelIndex proxyIndex = ui->stashView->currentIndex();
if (proxyIndex.isValid()) {
const QModelIndex index = m_proxyModel->mapToSource(proxyIndex);
if (index.isValid())
return index.row();
}
return -1;
}
QList<int> StashDialog::selectedRows() const
{
QList<int> rc;
foreach(const QModelIndex &proxyIndex, ui->stashView->selectionModel()->selectedRows()) {
const QModelIndex index = m_proxyModel->mapToSource(proxyIndex);
if (index.isValid())
rc.push_back(index.row());
}
qSort(rc);
return rc;
}
void StashDialog::forceRefresh()
{
refresh(m_repository, true);
}
void StashDialog::enableButtons()
{
const bool hasRepository = !m_repository.isEmpty();
const bool hasStashes = hasRepository && m_model->rowCount();
const bool hasCurrentRow = hasRepository && hasStashes && currentRow() >= 0;
m_deleteAllButton->setEnabled(hasStashes);
m_showCurrentButton->setEnabled(hasCurrentRow);
m_restoreCurrentButton->setEnabled(hasCurrentRow);
m_restoreCurrentInBranchButton->setEnabled(hasCurrentRow);
const bool hasSelection = !ui->stashView->selectionModel()->selectedRows().isEmpty();
m_deleteSelectionButton->setEnabled(hasSelection);
m_refreshButton->setEnabled(hasRepository);
}
void StashDialog::warning(const QString &title, const QString &what, const QString &details)
{
QMessageBox msgBox(QMessageBox::Warning, title, what, QMessageBox::Ok, this);
if (!details.isEmpty())
msgBox.setDetailedText(details);
msgBox.exec();
}
bool StashDialog::ask(const QString &title, const QString &what, bool defaultButton)
{
return QMessageBox::question(this, title, what, QMessageBox::Yes|QMessageBox::No,
defaultButton ? QMessageBox::Yes : QMessageBox::No) == QMessageBox::Yes;
}
} // namespace Internal
} // namespace Git