Initial import

src/plugins/texteditor/texteditoractionhandler.h

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+/***************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2008 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
+** 1.2, included in the file GPL_EXCEPTION.txt in this package.  
+** 
+***************************************************************************/
+#ifndef TEXTEDITORACTIONHANDLER_H
+#define TEXTEDITORACTIONHANDLER_H
+
+#include "texteditor_global.h"
+#include "basetexteditor.h"
+
+#include "coreplugin/icontext.h"
+#include "coreplugin/icore.h"
+
+#include <QtCore/QObject>
+#include <QtCore/QPointer>
+#include <QtCore/QList>
+
+namespace TextEditor {
+
+class BaseTextEditor;
+
+// Redirects slots from global actions to the respective editor.
+
+class TEXTEDITOR_EXPORT TextEditorActionHandler : public QObject
+{
+    Q_OBJECT
+
+public:
+    enum OptionalActionsMask {
+        None = 0,
+        Format = 1,
+        UnCommentSelection = 2,
+        UnCollapseAll = 4
+    };
+
+    TextEditorActionHandler(Core::ICore *core,
+                            const QString &context,
+                            uint optionalActions = None);
+    void setupActions(BaseTextEditor *editor);
+
+    void initializeActions();
+
+public slots:
+    void updateActions();
+    void updateRedoAction();
+    void updateUndoAction();
+    void updateCopyAction();
+
+protected:
+    const QPointer<BaseTextEditor> &currentEditor() const;
+    QAction *registerNewAction(const QString &id, const QString &title = QString());
+    QAction *registerNewAction(const QString &id, QObject *receiver, const char *slot,
+                               const QString &title = QString());
+    Core::ICore *core() const;
+
+    enum UpdateMode { NoEditor , ReadOnlyMode, WriteMode };
+    UpdateMode updateMode() const;
+
+    virtual void createActions();
+    virtual bool supportsAction(const QString &id) const;
+    virtual void updateActions(UpdateMode um);
+
+private slots:
+    void undoAction();
+    void redoAction();
+    void copyAction();
+    void cutAction();
+    void pasteAction();
+    void selectAllAction();
+    void gotoAction();
+    void printAction();
+    void formatAction();
+    void setVisualizeWhitespace(bool);
+    void setTextWrapping(bool);
+    void unCommentSelection();
+    void unCollapseAll();
+    void collapse();
+    void expand();
+    void deleteLine();
+    void selectEncoding();
+    void increaseFontSize();
+    void decreaseFontSize();
+    void updateCurrentEditor(Core::IContext *object);
+
+private:
+    QAction *m_undoAction;
+    QAction *m_redoAction;
+    QAction *m_copyAction;
+    QAction *m_cutAction;
+    QAction *m_pasteAction;
+    QAction *m_selectAllAction;
+    QAction *m_gotoAction;
+    QAction *m_printAction;
+    QAction *m_formatAction;
+    QAction *m_visualizeWhitespaceAction;
+    QAction *m_textWrappingAction;
+    QAction *m_unCommentSelectionAction;
+    QAction *m_unCollapseAllAction;
+    QAction *m_collapseAction;
+    QAction *m_expandAction;
+    QAction *m_deleteLineAction;
+    QAction *m_selectEncodingAction;
+    QAction *m_increaseFontSizeAction;
+    QAction *m_decreaseFontSizeAction;
+
+    uint m_optionalActions;
+    QPointer<BaseTextEditor> m_currentEditor;
+    Core::ICore *m_core;
+    QList<int> m_contextId;
+    bool m_initialized;
+};
+
+} // namespace TextEditor
+
+#endif // TEXTEDITORACTIONHANDLER_H