Files
qt-creator/src/shared/qrceditor/qrceditor.cpp

410 lines
14 KiB
C++

/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file. Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception
** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
#include "qrceditor.h"
#include "undocommands_p.h"
#include <QtCore/QDebug>
#include <QtGui/QMenu>
#include <QtGui/QFileDialog>
#include <QtGui/QMessageBox>
namespace SharedTools {
QrcEditor::QrcEditor(QWidget *parent)
: QWidget(parent),
m_treeview(new ResourceView(&m_history)),
m_addFileAction(0)
{
m_ui.setupUi(this);
QHBoxLayout *layout = new QHBoxLayout;
layout->setSpacing(0);
layout->setMargin(0);
m_ui.centralWidget->setLayout(layout);
m_treeview->enableContextMenu(false);
layout->addWidget(m_treeview);
connect(m_ui.removeButton, SIGNAL(clicked()), this, SLOT(onRemove()));
// 'Add' button with menu
QMenu *addMenu = new QMenu(this);
m_addFileAction = addMenu->addAction(tr("Add Files"), this, SLOT(onAddFiles()));
addMenu->addAction(tr("Add Prefix"), this, SLOT(onAddPrefix()));
m_ui.addButton->setMenu(addMenu);
connect(m_treeview, SIGNAL(addPrefixTriggered()), this, SLOT(onAddPrefix()));
connect(m_treeview, SIGNAL(addFilesTriggered(QString)), this, SLOT(onAddFiles()));
connect(m_treeview, SIGNAL(removeItem()), this, SLOT(onRemove()));
connect(m_treeview, SIGNAL(currentIndexChanged()), this, SLOT(updateCurrent()));
connect(m_treeview, SIGNAL(dirtyChanged(bool)), this, SIGNAL(dirtyChanged(bool)));
m_treeview->setFocus();
connect(m_ui.aliasText, SIGNAL(textEdited(QString)),
this, SLOT(onAliasChanged(QString)));
connect(m_ui.prefixText, SIGNAL(textEdited(QString)),
this, SLOT(onPrefixChanged(QString)));
connect(m_ui.languageText, SIGNAL(textEdited(QString)),
this, SLOT(onLanguageChanged(QString)));
// Prevent undo command merging after a switch of focus:
// (0) The initial text is "Green".
// (1) The user appends " is a color." --> text is "Green is a color."
// (2) The user clicks into some other line edit --> loss of focus
// (3) The user gives focuse again and substitutes "Green" with "Red"
// --> text now is "Red is a color."
// (4) The user hits undo --> text now is "Green is a color."
// Without calling advanceMergeId() it would have been "Green", instead.
connect(m_ui.aliasText, SIGNAL(editingFinished()),
m_treeview, SLOT(advanceMergeId()));
connect(m_ui.prefixText, SIGNAL(editingFinished()),
m_treeview, SLOT(advanceMergeId()));
connect(m_ui.languageText, SIGNAL(editingFinished()),
m_treeview, SLOT(advanceMergeId()));
connect(m_treeview, SIGNAL(addFilesTriggered(const QString&)),
this, SIGNAL(addFilesTriggered(const QString&)));
connect(&m_history, SIGNAL(canRedoChanged(bool)), this, SLOT(updateHistoryControls()));
connect(&m_history, SIGNAL(canUndoChanged(bool)), this, SLOT(updateHistoryControls()));
connect(&m_history, SIGNAL(canRedoChanged(bool)), this, SLOT(updateCurrent()));
connect(&m_history, SIGNAL(canUndoChanged(bool)), this, SLOT(updateCurrent()));
updateHistoryControls();
updateCurrent();
}
QrcEditor::~QrcEditor()
{
}
QString QrcEditor::fileName() const
{
return m_treeview->fileName();
}
void QrcEditor::setFileName(const QString &fileName)
{
m_treeview->setFileName(fileName);
}
bool QrcEditor::load(const QString &fileName)
{
const bool success = m_treeview->load(fileName);
if (success) {
// Set "focus"
m_treeview->setCurrentIndex(m_treeview->model()->index(0,0));
// Expand prefix nodes
m_treeview->expandAll();
}
return success;
}
bool QrcEditor::save()
{
return m_treeview->save();
}
bool QrcEditor::isDirty()
{
return m_treeview->isDirty();
}
void QrcEditor::setDirty(bool dirty)
{
m_treeview->setDirty(dirty);
}
// Propagates a change of selection in the tree
// to the alias/prefix/language edit controls
void QrcEditor::updateCurrent()
{
const bool isValid = m_treeview->currentIndex().isValid();
const bool isPrefix = m_treeview->isPrefix(m_treeview->currentIndex()) && isValid;
const bool isFile = !isPrefix && isValid;
int cursorPosition;
m_ui.aliasLabel->setEnabled(isFile);
m_ui.aliasText->setEnabled(isFile);
m_currentAlias = m_treeview->currentAlias();
cursorPosition = m_ui.aliasText->cursorPosition();
m_ui.aliasText->setText(m_currentAlias);
m_ui.aliasText->setCursorPosition(cursorPosition);
m_ui.prefixLabel->setEnabled(isPrefix);
m_ui.prefixText->setEnabled(isPrefix);
m_currentPrefix = m_treeview->currentPrefix();
cursorPosition = m_ui.prefixText->cursorPosition();
m_ui.prefixText->setText(m_currentPrefix);
m_ui.prefixText->setCursorPosition(cursorPosition);
m_ui.languageLabel->setEnabled(isPrefix);
m_ui.languageText->setEnabled(isPrefix);
m_currentLanguage = m_treeview->currentLanguage();
cursorPosition = m_ui.languageText->cursorPosition();
m_ui.languageText->setText(m_currentLanguage);
m_ui.languageText->setCursorPosition(cursorPosition);
m_ui.addButton->setEnabled(true);
m_addFileAction->setEnabled(isValid);
m_ui.removeButton->setEnabled(isValid);
}
void QrcEditor::updateHistoryControls()
{
emit undoStackChanged(m_history.canUndo(), m_history.canRedo());
}
void QrcEditor::resolveLocationIssues(QStringList &files)
{
const QDir dir = QFileInfo(m_treeview->fileName()).absoluteDir();
const QString dotdotSlash = QLatin1String("../");
int i = 0;
int count = files.count();
// Find first troublesome file
for (; i < count; i++) {
QString const &file = files.at(i);
const QString relativePath = dir.relativeFilePath(file);
if (relativePath.startsWith(dotdotSlash))
break;
}
// All paths fine -> no interaction needed
if (i == count) {
return;
}
// Interact with user from now on
bool abort = false;
for (; i < count; i++) {
// Path fine -> skip file
QString const &file = files.at(i);
QString const relativePath = dir.relativeFilePath(file);
if (!relativePath.startsWith(dotdotSlash)) {
continue;
}
// Path troublesome and aborted -> remove file
if (abort) {
files.removeAt(i);
count--;
i--;
continue;
} else {
// Path troublesome -> query user
QMessageBox message(this);
message.setWindowTitle(tr("Invalid file"));
message.setIcon(QMessageBox::Warning);
QPushButton * const continueButton = message.addButton(tr("Add anyway"), QMessageBox::AcceptRole);
QPushButton * const copyButton = message.addButton(tr("Copy"), QMessageBox::ActionRole);
QPushButton * const skipButton = message.addButton(tr("Don't add"), QMessageBox::DestructiveRole);
QPushButton * const abortButton = message.addButton(tr("Abort"), QMessageBox::RejectRole);
message.setDefaultButton(copyButton);
message.setEscapeButton(skipButton);
message.setText(tr("The file %1 is not in a subdirectory of the resource file. Continuing will result in an invalid resource file.")
.arg(QDir::toNativeSeparators(file)));
message.exec();
if (message.clickedButton() == continueButton) {
continue;
} else if (message.clickedButton() == skipButton) {
files.removeAt(i);
count--;
i--; // Compensate i++
} else if (message.clickedButton() == copyButton) {
const QFileInfo fi(file);
const QFileInfo suggestion(dir, fi.fileName());
const QString copyName = QFileDialog::getSaveFileName(this, tr("Choose copy location"),
suggestion.absoluteFilePath());
if (!copyName.isEmpty()) {
if (QFile::exists(copyName)) {
if (!QFile::remove(copyName)) {
QMessageBox::critical(this, tr("Overwrite failed"),
tr("Could not overwrite file %1.")
.arg(QDir::toNativeSeparators(copyName)));
// Remove file
files.removeAt(i);
count--;
i--; // Compensate i++
continue;
}
}
if (!QFile::copy(file, copyName)) {
QMessageBox::critical(this, tr("Copying failed"),
tr("Could not copy the file to %1.")
.arg(QDir::toNativeSeparators(copyName)));
// Remove file
files.removeAt(i);
count--;
i--; // Compensate i++
continue;
}
files[i] = copyName;
} else {
// Remove file
files.removeAt(i);
count--;
i--; // Compensate i++
}
} else if (message.clickedButton() == abortButton) {
abort = true;
files.removeAt(i);
count--;
i--; // Compensate i++
}
}
}
}
void QrcEditor::setResourceDragEnabled(bool e)
{
m_treeview->setResourceDragEnabled(e);
}
bool QrcEditor::resourceDragEnabled() const
{
return m_treeview->resourceDragEnabled();
}
void QrcEditor::setDefaultAddFileEnabled(bool enable)
{
m_treeview->setDefaultAddFileEnabled(enable);
}
bool QrcEditor::defaultAddFileEnabled() const
{
return m_treeview->defaultAddFileEnabled();
}
void QrcEditor::addFile(const QString &prefix, const QString &file)
{
// TODO: make this function UNDO / REDO aware
m_treeview->addFile(prefix, file);
}
/*
void QrcEditor::removeFile(const QString &prefix, const QString &file)
{
m_treeview->removeFile(prefix, file);
}
*/
// Slot for change of line edit content 'alias'
void QrcEditor::onAliasChanged(const QString &alias)
{
const QString &before = m_currentAlias;
const QString &after = alias;
m_treeview->setCurrentAlias(before, after);
m_currentAlias = alias;
updateHistoryControls();
}
// Slot for change of line edit content 'prefix'
void QrcEditor::onPrefixChanged(const QString &prefix)
{
const QString &before = m_currentPrefix;
const QString &after = prefix;
m_treeview->setCurrentPrefix(before, after);
m_currentPrefix = prefix;
updateHistoryControls();
}
// Slot for change of line edit content 'language'
void QrcEditor::onLanguageChanged(const QString &language)
{
const QString &before = m_currentLanguage;
const QString &after = language;
m_treeview->setCurrentLanguage(before, after);
m_currentLanguage = language;
updateHistoryControls();
}
// Slot for 'Remove' button
void QrcEditor::onRemove()
{
// Find current item, push and execute command
const QModelIndex current = m_treeview->currentIndex();
int afterDeletionArrayIndex = current.row();
QModelIndex afterDeletionParent = current.parent();
m_treeview->findSamePlacePostDeletionModelIndex(afterDeletionArrayIndex, afterDeletionParent);
QUndoCommand * const removeCommand = new RemoveEntryCommand(m_treeview, current);
m_history.push(removeCommand);
const QModelIndex afterDeletionModelIndex
= m_treeview->model()->index(afterDeletionArrayIndex, 0, afterDeletionParent);
m_treeview->setCurrentIndex(afterDeletionModelIndex);
updateHistoryControls();
}
// Slot for 'Add File' button
void QrcEditor::onAddFiles()
{
QModelIndex const current = m_treeview->currentIndex();
int const currentIsPrefixNode = m_treeview->isPrefix(current);
int const prefixArrayIndex = currentIsPrefixNode ? current.row()
: m_treeview->model()->parent(current).row();
int const cursorFileArrayIndex = currentIsPrefixNode ? 0 : current.row();
QStringList fileNames = m_treeview->fileNamesToAdd();
resolveLocationIssues(fileNames);
if (fileNames.isEmpty())
return;
QUndoCommand * const addFilesCommand = new AddFilesCommand(
m_treeview, prefixArrayIndex, cursorFileArrayIndex, fileNames);
m_history.push(addFilesCommand);
updateHistoryControls();
}
// Slot for 'Add Prefix' button
void QrcEditor::onAddPrefix()
{
QUndoCommand * const addEmptyPrefixCommand = new AddEmptyPrefixCommand(m_treeview);
m_history.push(addEmptyPrefixCommand);
updateHistoryControls();
}
// Slot for 'Undo' button
void QrcEditor::onUndo()
{
m_history.undo();
updateCurrent();
updateHistoryControls();
}
// Slot for 'Redo' button
void QrcEditor::onRedo()
{
m_history.redo();
updateCurrent();
updateHistoryControls();
}
} // namespace SharedTools