actioneditor.cpp

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/*
TRANSLATOR qdesigner_internal::ActionEditor
*/

#include "actioneditor_p.h"
#include "actionrepository_p.h"
#include "iconloader_p.h"
#include "newactiondialog_p.h"
#include "qdesigner_menu_p.h"
#include "qdesigner_command_p.h"
#include "qdesigner_propertycommand_p.h"
#include "resourcemimedata_p.h"
#include "qdesigner_objectinspector_p.h"
#include "qdesigner_utils_p.h"

#include <QtDesigner/QDesignerFormEditorInterface>
#include <QtDesigner/QDesignerPropertyEditorInterface>
#include <QtDesigner/QDesignerPropertySheetExtension>
#include <QtDesigner/QExtensionManager>
#include <QtDesigner/QDesignerMetaDataBaseInterface>
#include <QtDesigner/QDesignerFormWindowInterface>
#include <QtDesigner/QDesignerIconCacheInterface>

#include <QtGui/QMenu>
#include <QtGui/QMessageBox>
#include <QtGui/QListWidget>
#include <QtGui/QToolBar>
#include <QtGui/QSplitter>
#include <QtGui/QAction>
#include <QtGui/QItemDelegate>
#include <QtGui/QPainter>
#include <QtGui/QVBoxLayout>
#include <QtGui/QLineEdit>
#include <QtGui/QLabel>
#include <QtGui/QPushButton>

#include <QtCore/QRegExp>

#include <qdebug.h>

Q_DECLARE_METATYPE(QAction*)
Q_DECLARE_METATYPE(QListWidgetItem*)

namespace qdesigner_internal {
//-------- ActionFilterWidget
class ActionFilterWidget: public QWidget
{
    Q_OBJECT
public:
    ActionFilterWidget(ActionEditor *actionEditor, QToolBar *parent)
        : QWidget(parent),
          m_button(new QPushButton(this)),
          m_editor(new QLineEdit(this)),
          m_actionEditor(actionEditor)
    {
        QHBoxLayout *l = new QHBoxLayout(this);
        l->setMargin(0);
        l->setSpacing(0);

        l->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum));

        QLabel *label = new QLabel(tr("Filter: "), this);
        label->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
        l->addWidget(label);

        l->addWidget(m_editor);

        connect(m_editor, SIGNAL(textChanged(QString)), actionEditor, SLOT(setFilter(QString)));

        m_button->setIcon(createIconSet(QLatin1String("resetproperty.png")));
        m_button->setIconSize(QSize(16, 16));
        m_button->setFlat(true);
        l->addWidget(m_button);
        connect(m_button, SIGNAL(clicked()), m_editor, SLOT(clear()));
        connect(m_editor, SIGNAL(textChanged(QString)), this, SLOT(checkButton(QString)));
    }

private slots:
    void checkButton(const QString &text)
    {
        m_button->setEnabled(!text.isEmpty());
    }

private:
    QPushButton *m_button;
    QLineEdit *m_editor;
    ActionEditor *m_actionEditor;
};

//--------  ActionGroupDelegate
class ActionGroupDelegate: public QItemDelegate
{
public:
    ActionGroupDelegate(QObject *parent)
        : QItemDelegate(parent) {}

    virtual void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
    {
        if (option.state & QStyle::State_Selected)
            painter->fillRect(option.rect, option.palette.highlight());

        QItemDelegate::paint(painter, option, index);
    }

    virtual void drawFocus(QPainter * /*painter*/, const QStyleOptionViewItem &/*option*/, const QRect &/*rect*/) const {}
};

//--------  ActionEditor
ActionEditor::ActionEditor(QDesignerFormEditorInterface *core, QWidget *parent, Qt::WindowFlags flags)
    : QDesignerActionEditorInterface(parent, flags),
      m_core(core)
{
    setWindowTitle(tr("Actions"));

    QVBoxLayout *l = new QVBoxLayout(this);
    l->setMargin(0);
    l->setSpacing(0);

    QToolBar *toolbar = new QToolBar(this);
    toolbar->setIconSize(QSize(24, 24));
    toolbar->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
    l->addWidget(toolbar);

    m_actionNew = toolbar->addAction(tr("New..."));
    m_actionNew->setIcon(createIconSet(QLatin1String("filenew.png")));
    m_actionNew->setEnabled(false);
    connect(m_actionNew, SIGNAL(triggered()), this, SLOT(slotNewAction()));

    m_actionDelete = toolbar->addAction(tr("Delete"));
    m_actionDelete->setIcon(createIconSet(QLatin1String("editdelete.png")));
    m_actionDelete->setEnabled(false);

    m_filterWidget = new ActionFilterWidget(this, toolbar);
    m_filterWidget->setEnabled(false);
    toolbar->addWidget(m_filterWidget);

    connect(m_actionDelete, SIGNAL(triggered()), this, SLOT(slotDeleteAction()));

    QSplitter *splitter = new QSplitter(Qt::Horizontal, this);
    splitter->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

    l->addWidget(splitter);

#if 0 // ### implement me
    m_actionGroups = new QListWidget(splitter);
    splitter->addWidget(m_actionGroups);
    m_actionGroups->setItemDelegate(new ActionGroupDelegate(m_actionGroups));
    m_actionGroups->setMovement(QListWidget::Static);
    m_actionGroups->setResizeMode(QListWidget::Fixed);
    m_actionGroups->setIconSize(QSize(48, 48));
    m_actionGroups->setFlow(QListWidget::TopToBottom);
    m_actionGroups->setViewMode(QListWidget::IconMode);
    m_actionGroups->setWrapping(false);
#endif

    m_actionRepository = new ActionRepository(splitter);
    connect(m_actionRepository, SIGNAL(resourceImageDropped(ResourceMimeData,QAction*)),
            this, SLOT(resourceImageDropped(ResourceMimeData,QAction*)));
    splitter->addWidget(m_actionRepository);

    connect(m_actionRepository, SIGNAL(currentItemChanged(QListWidgetItem*,QListWidgetItem*)),
            this, SLOT(slotItemChanged(QListWidgetItem*)));
    // make it possible for vs integration to reimplement edit action dialog
    connect(m_actionRepository, SIGNAL(itemActivated(QListWidgetItem*)),
            this, SIGNAL(itemActivated(QListWidgetItem*)));
    connect(m_actionRepository, SIGNAL(contextMenuRequested(QContextMenuEvent*, QListWidgetItem*)),
            this, SIGNAL(contextMenuRequested(QContextMenuEvent*, QListWidgetItem*)));
    connect(this, SIGNAL(itemActivated(QListWidgetItem*)),
            this, SLOT(editAction(QListWidgetItem*)));
}

ActionEditor::~ActionEditor()
{
}

QAction *ActionEditor::actionNew() const
{
    return m_actionNew;
}

QAction *ActionEditor::actionDelete() const
{
    return m_actionDelete;
}

QDesignerFormWindowInterface *ActionEditor::formWindow() const
{
    return m_formWindow;
}

void ActionEditor::setFormWindow(QDesignerFormWindowInterface *formWindow)
{
    if (formWindow != 0 && formWindow->mainContainer() == 0)
        formWindow = 0;

    // we do NOT rely on this function to update the action editor
    if (m_formWindow == formWindow)
        return;

    if (m_formWindow != 0) {
        const QList<QAction*> actionList = qFindChildren<QAction*>(m_formWindow->mainContainer());
        foreach (QAction *action, actionList)
            disconnect(action, SIGNAL(changed()), this, SLOT(slotActionChanged()));
    }

    m_formWindow = formWindow;

    m_actionRepository->clear();

    if (!formWindow || !formWindow->mainContainer()) {
        m_actionNew->setEnabled(false);
        m_actionDelete->setEnabled(false);
        m_filterWidget->setEnabled(false);
        return;
    }

    m_actionNew->setEnabled(true);
    m_filterWidget->setEnabled(true);

    const QList<QAction*> actionList = qFindChildren<QAction*>(formWindow->mainContainer());
    foreach (QAction *action, actionList) {
        if (!core()->metaDataBase()->item(action)
            || action->isSeparator()
            // ### || action->menu()
            ) {
            continue;
        }

        createListWidgetItem(action);
        connect(action, SIGNAL(changed()), this, SLOT(slotActionChanged()));
    }

    setFilter(m_filter);
}

static QIcon fixActionIcon(QIcon icon)
{
    if (icon.isNull())
        return emptyIcon();
    return icon;
}

// Set up list widget item, icon, tooltip
static void setListWidgetItem(const QAction *action,  QListWidgetItem *item)
{
    item->setText(action->objectName());
    item->setIcon(fixActionIcon(action->icon()));

    QString tooltip = action->objectName();
    const QString text = action->text();
    if (!text.isEmpty()) {
        tooltip += QLatin1Char('\n');
        tooltip += text;
    }
    item->setToolTip(tooltip);
    item->setWhatsThis(tooltip);
}

QListWidgetItem *ActionEditor::createListWidgetItem(QAction *action)
{
    if (action->menu())