resourceeditor.cpp

来自「奇趣公司比较新的qt/emd版本」· C++ 代码 · 共 981 行 · 第 1/2 页

    m_qrc_combo->insertItem(0, QIcon(), tr("<no resource files>"), QVariant(COMBO_EMPTY_DATA));
    m_qrc_combo->setCurrentIndex(0);
}

void ResourceEditor::removeEmptyComboItem()
{
    if (m_qrc_combo->count() == 0)
        return;
    const QVariant v = m_qrc_combo->itemData(0);
    if (v.type() != QVariant::Int || v.toInt() != COMBO_EMPTY_DATA)
        return;
    m_qrc_combo->removeItem(0);
}

int ResourceEditor::qrcCount() const
{
    return m_qrc_stack->count();
}

QTreeView *ResourceEditor::view(int i) const
{
    if (i >= qrcCount() || i < 0)
        return 0;
    return qobject_cast<QTreeView*>(m_qrc_stack->widget(i));
}

ResourceModel *ResourceEditor::model(int i) const
{
    if (i >= qrcCount() || i < 0)
        return 0;
    return qobject_cast<ResourceModel*>(view(i)->model());
}

QTreeView *ResourceEditor::currentView() const
{
    const int idx = currentIndex();
    if (idx == -1)
        return 0;
    return view(idx);
}

ResourceModel *ResourceEditor::currentModel() const
{
    const int idx = currentIndex();
    if (idx == -1)
        return 0;
    return model(idx);
}

void ResourceEditor::getCurrentItem(QString &prefix, QString &file)
{
    prefix.clear();
    file.clear();

    QTreeView *view = currentView();
    if (view == 0)
        return;

    ResourceModel *model = currentModel();
    if (model == 0)
        return;

    model->getItem(view->currentIndex(), prefix, file);
}

void ResourceEditor::addPrefix()
{
    QTreeView *view = currentView();
    if (view == 0)
        return;

    ResourceModel *model = currentModel();
    if (model == 0)
        return;

    const QModelIndex idx = model->addNewPrefix();
    view->selectionModel()->setCurrentIndex(idx, QItemSelectionModel::ClearAndSelect);
    model->save();
    updateUi();
}

void ResourceEditor::addFiles()
{
    QTreeView *view = currentView();
    if (view == 0)
        return;

    ResourceModel *model = currentModel();
    if (model == 0)
        return;

    const QStringList file_list = QFileDialog::getOpenFileNames(this, tr("Open file"),
                                                            model->lastResourceOpenDirectory(),
                                                            tr("All files (*)"));
    if (file_list.isEmpty())
        return;

    const QModelIndex idx = model->addFiles(view->currentIndex(), file_list);
    if (idx.isValid()) {
        view->setExpanded(model->prefixIndex(view->currentIndex()), true);
        view->selectionModel()->setCurrentIndex(idx, QItemSelectionModel::ClearAndSelect);
    }

    model->save();
    updateUi();
}

void ResourceEditor::deleteItem()
{
    QTreeView *view = currentView();
    if (view == 0)
        return;

    ResourceModel *model = currentModel();
    if (model == 0)
        return;

    const QModelIndex cur_idx = view->currentIndex();
    if (!cur_idx.isValid())
        return;

    const QModelIndex idx = model->deleteItem(cur_idx);

    if (idx.isValid()) {
        const QModelIndex pref_idx = model->prefixIndex(idx);
        if (pref_idx != idx)
            view->setExpanded(pref_idx, true);
        view->selectionModel()->setCurrentIndex(idx, QItemSelectionModel::ClearAndSelect);
    }

    model->save();
    updateUi();
}

void ResourceEditor::updateUi()
{
    QString prefix, file;
    getCurrentItem(prefix, file);

    m_add_button->setEnabled(currentModel() != 0);
    m_remove_button->setEnabled(!prefix.isEmpty());
    m_add_files_button->setEnabled(!prefix.isEmpty());
    m_remove_qrc_button->setEnabled(currentModel() != 0);

    QString name;
    if (m_form != 0)
        name = QFileInfo(m_form->fileName()).fileName();

    QString suffix = name.isEmpty() ? tr("Resource Editor") : tr("Resource Editor: %1").arg(name);

    QWidget* widget = 0;
    if (m_form != 0)
        widget = m_form->core()->topLevel();

    if (widget && (widget->objectName() == QLatin1String("MDIWindow"))) {
        QDockWidget* dockWidget = qFindChild<QDockWidget*>(widget, (parentWidget()->objectName() + QLatin1String("_dock")));
        if(dockWidget)
            dockWidget->setWindowTitle(suffix);
    }
    else if ((widget = parentWidget()) != 0 && widget->isWindow())
        widget->setWindowTitle(suffix);
    else
        setWindowTitle(suffix);
}

int ResourceEditor::currentIndex() const
{
    return m_qrc_stack->currentIndex();
}

void ResourceEditor::setCurrentIndex(int i)
{
    const QVariant v = m_qrc_combo->itemData(i);
    if (v.type() == QVariant::Int) {
        switch (v.toInt()) {
            case COMBO_EMPTY_DATA: {
                    bool blocked = m_qrc_combo->blockSignals(true);
                    m_qrc_combo->setCurrentIndex(i);
                    m_qrc_combo->blockSignals(blocked);
                }
                break;
            case COMBO_OPEN_DATA:
                openView();
                break;
            case COMBO_NEW_DATA:
                newView();
                break;
            default:
                break;
        }
    } else {
        const bool blocked = m_qrc_combo->blockSignals(true);
        m_qrc_combo->setCurrentIndex(i);
        m_qrc_combo->blockSignals(blocked);
        m_qrc_stack->setCurrentIndex(i);
    }

    QAbstractItemView *view = currentView();
    if (view != 0)
        itemChanged(view->currentIndex());

    updateUi();
}

void ResourceEditor::updateQrcStack()
{
    if (m_ignore_update)
        return;

    m_qrc_combo->clear();
    while (m_qrc_stack->count() > 0) {
        QWidget *w = m_qrc_stack->widget(0);
        m_qrc_stack->removeWidget(w);
        delete w;
    }

    bool empty_list = true;
    QStringList qrc_file_list;
    if (m_form != 0) {
        qrc_file_list = m_form->resourceFiles();
        foreach (QString qrc_file, qrc_file_list) {
            if (QFile::exists(qrc_file)) {
                addView(qrc_file);
                empty_list = false;
            }
        }
    }

    m_qrc_combo->addItem(QIcon(), tr("New..."), QVariant(COMBO_NEW_DATA));
    m_qrc_combo->addItem(QIcon(), tr("Open..."), QVariant(COMBO_OPEN_DATA));
    if (empty_list)
        insertEmptyComboItem();

    updateUi();
}

QString ResourceEditor::qrcName(const QString &path) const
{
    if (m_form == 0 || path.isEmpty())
        return tr("Untitled");
    return m_form->absoluteDir().relativeFilePath(path);
}

void ResourceEditor::updateQrcPaths()
{
    for (int i = 0; i < m_qrc_stack->count(); ++i) {
        ResourceModel *model = this->model(i);
        m_qrc_combo->setItemText(i, QDir(model->fileName()).absolutePath());
    }

    updateUi();
}

void ResourceEditor::addView(const QString &qrc_file)
{
    const int idx = qrcCount();

    QTreeView *view = new QrcView;
    view->setDragEnabled(m_dragEnabled);
    ResourceModel *model = g_model_cache()->model(qrc_file);
    if (model == 0)
        return;
    removeEmptyComboItem();

    view->setModel(model);
    m_qrc_combo->insertItem(idx, model->fileName());
    m_qrc_stack->addWidget(view);
    connect(view->selectionModel(), SIGNAL(currentChanged(QModelIndex,QModelIndex)),
            this, SLOT(updateUi()));
    connect(view, SIGNAL(activated(QModelIndex)), this, SLOT(itemActivated(QModelIndex)));
    connect(view->selectionModel(), SIGNAL(currentChanged(QModelIndex, QModelIndex)),
            this, SLOT(itemChanged(QModelIndex)));

    setCurrentIndex(idx);

    m_ignore_update = true;
    if (m_form && !qrc_file.isEmpty())
        m_form->addResourceFile(qrc_file);
    m_ignore_update = false;

    updateUi();
}

void ResourceEditor::setCurrentFile(const QString &_qrc_path, const QString &file_path)
{
    const QDir form_dir = m_form->absoluteDir();
    const QString qrc_path = form_dir.relativeFilePath(_qrc_path);

    for (int i = 0; i < m_qrc_stack->count(); ++i) {
        ResourceModel *resourceModel = model(i);
        if (qrc_path == form_dir.relativeFilePath(resourceModel->fileName())) {
            setCurrentIndex(i);
            const QModelIndex index = resourceModel->getIndex(file_path);
            view(i)->setCurrentIndex(index);
            break;
        }
    }

    updateUi();
}

void ResourceEditor::itemChanged(const QModelIndex &index)
{
    QString file_name, qrc_path;

    if (ResourceModel *model = currentModel()) {
        QString prefix, file;
        model->getItem(index, prefix, file);
        if (!file.isEmpty()) {
            file_name = ResourceModel::resourcePath(prefix, file);
            qrc_path = m_form->absoluteDir().absoluteFilePath(model->fileName());
        }
    }

    emit currentFileChanged(qrc_path, file_name);
}

void ResourceEditor::itemActivated(const QModelIndex &index)
{
    ResourceModel *model = currentModel();
    if (!model)
        return;

    QString prefix, file;
    model->getItem(index, prefix, file);
    if (file.isEmpty())
        return;

    const QString file_name = ResourceModel::resourcePath(prefix, file);
    const QString qrc_path = m_form->absoluteDir().absoluteFilePath(model->fileName());

    emit fileActivated(qrc_path, file_name);
}

static void ensureSuffix(QString &file_name)
{
    const QString suffix = QLatin1String("qrc");
    if (QFileInfo(file_name).suffix() != suffix) {
        file_name += QLatin1Char('.');
        file_name += suffix;
    }
}

void ResourceEditor::saveCurrentView()
{
    ResourceModel *model = currentModel();
    if (model == 0)
        return;

    if (model->fileName().isEmpty()) {
        QString file_name = QFileDialog::getSaveFileName(this, tr("Save resource file"),
                                                            m_form->absoluteDir().absolutePath(),
                                                            tr("Resource files (*.qrc)"));
        if (file_name.isEmpty())
            return;

        ensureSuffix(file_name);

        model->setFileName(file_name);
        m_ignore_update = true;
        m_form->addResourceFile(file_name);
        m_ignore_update = false;
        QString s = QFileInfo(file_name).fileName();
        bool blocked = m_qrc_combo->blockSignals(true);
        m_qrc_combo->setItemText(currentIndex(), model->fileName());
        m_qrc_combo->setCurrentIndex(-1);
        m_qrc_combo->setCurrentIndex(currentIndex());
        m_qrc_combo->blockSignals(blocked);
    }

    model->save();
    updateUi();
}

int ResourceEditor::indexOfView(QTreeView *view)
{
    for (int i = 0; i < m_qrc_stack->count(); ++i) {
        if (view == m_qrc_stack->widget(i))
            return i;
    }
    return -1;
}

void ResourceEditor::removeCurrentView()
{
    QTreeView *view = currentView();
    if (view == 0)
        return;

    ResourceModel *model = currentModel();
    if (model == 0)
        return;

    QString file_name = model->fileName();

    int idx = indexOfView(view);
    if (idx == -1)
        return;

    m_qrc_combo->removeItem(idx);
    m_qrc_stack->removeWidget(view);
    delete view;

    disconnect(model, SIGNAL(dirtyChanged(bool)), this, SLOT(updateUi()));

    m_ignore_update = true;
    if (m_form != 0 && !file_name.isEmpty())
        m_form->removeResourceFile(file_name);
    m_ignore_update = false;

    if (qrcCount() == 0) {
        insertEmptyComboItem();
    } else {
        if (idx < qrcCount())
            setCurrentIndex(idx);
        else if (idx > 0)
            setCurrentIndex(idx - 1);
    }
    updateUi();
}

void ResourceEditor::reloadCurrentView()
{
    ResourceModel *model = currentModel();
    if (model == 0)
        return;

    model->reload();
    updateUi();
}

void ResourceEditor::newView()
{
    QString file_name = QFileDialog::getSaveFileName(this, tr("New resource file"),
                                                        m_form->absoluteDir().absolutePath(),
                                                        tr("Resource files (*.qrc)"));
    if (file_name.isEmpty()) {
        setCurrentIndex(m_qrc_stack->count() == 0 ? 0 : m_qrc_stack->currentIndex());
        return;
    }

    ensureSuffix(file_name);

    ResourceFile rf(file_name);
    rf.save();

    addView(file_name);
}

void ResourceEditor::openView()
{
    QString file_name = QFileDialog::getOpenFileName(this, tr("Open resource file"),
                                                        m_form->absoluteDir().absolutePath(),
                                                        tr("Resource files (*.qrc)"));
    if (file_name.isEmpty()) {
        setCurrentIndex(m_qrc_stack->count() == 0 ? 0 : m_qrc_stack->currentIndex());
        return;
    }

    addView(file_name);
}

void ResourceEditor::setActiveForm(QDesignerFormWindowInterface *form)
{
    if (form == m_form)
        return;

    if (m_form != 0) {
        disconnect(m_form, SIGNAL(fileNameChanged(QString)),
                    this, SLOT(updateQrcPaths()));
        disconnect(m_form, SIGNAL(resourceFilesChanged()),
                    this, SLOT(updateQrcStack()));
    }

    m_form = form;
    updateQrcStack();

    if (m_form != 0) {
        connect(m_form, SIGNAL(fileNameChanged(QString)),
                    this, SLOT(updateQrcPaths()));
        connect(m_form, SIGNAL(resourceFilesChanged()),
                    this, SLOT(updateQrcStack()));
    }

    setEnabled(m_form != 0);
}
} // namespace qdesigner_internal

#include "resourceeditor.moc"