editorview.h 7.14 KB
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/**************************************************************************
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**
** This file is part of Qt Creator
**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
** Contact:  Qt Software Information (qt-info@nokia.com)
**
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** Commercial Usage
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**
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** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU Lesser
** 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
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
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**
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**************************************************************************/
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#ifndef EDITORVIEW_H
#define EDITORVIEW_H

#include <QtCore/QMap>
#include <QtCore/QList>
#include <QtCore/QString>
#include <QtCore/QSettings>
#include <QtGui/QWidget>
#include <QtGui/QAction>
#include <QtGui/QSplitter>
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#include <QtGui/QStackedLayout>
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#include <coreplugin/icontext.h>

#include <QtCore/QMap>
#include <QtGui/QSortFilterProxyModel>

QT_BEGIN_NAMESPACE
class QComboBox;
class QToolBar;
class QToolButton;
class QLabel;
class QStackedWidget;
QT_END_NAMESPACE

namespace Core {

class IEditor;

namespace Internal {

class EditorModel : public QAbstractItemModel
{
    Q_OBJECT
public:
    EditorModel(QObject *parent) : QAbstractItemModel(parent) {}
    int columnCount(const QModelIndex &parent = QModelIndex()) const;
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    QModelIndex parent(const QModelIndex &/*index*/) const { return QModelIndex(); }
    int rowCount(const QModelIndex &parent = QModelIndex()) const;
    QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const;

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    void addEditor(IEditor *editor, bool isDuplicate = false);
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    void addRestoredEditor(const QString &fileName, const QString &displayName, const QByteArray &kind);
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    QModelIndex firstRestoredEditor() const;
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    struct Entry {
        Entry():editor(0){}
        IEditor *editor;
        QString fileName() const;
        QString displayName() const;
        QByteArray kind() const;
        QString m_fileName;
        QString m_displayName;
        QByteArray m_kind;
    };
    QList<Entry> entries() const { return m_editors; }
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    void removeEditor(IEditor *editor);
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    void removeEditor(const QModelIndex &index);

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    void removeAllRestoredEditors();
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    void emitDataChanged(IEditor *editor);

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    QList<IEditor *> editors() const;
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    bool isDuplicate(IEditor *editor) const;
    QList<IEditor *> duplicatesFor(IEditor *editor) const;
    IEditor *originalForDuplicate(IEditor *duplicate) const;
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    QModelIndex indexOf(IEditor *editor) const;
    QModelIndex indexOf(const QString &filename) const;

private slots:
    void itemChanged();
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private:
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    void addEntry(const Entry &entry);
    int findEditor(IEditor *editor) const;
    int findFileName(const QString &filename) const;
    QList<Entry> m_editors;
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    QList<IEditor *>m_duplicateEditors;
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};



class EditorView : public QWidget
{
    Q_OBJECT

public:
    EditorView(EditorModel *model = 0, QWidget *parent = 0);
    virtual ~EditorView();

    int editorCount() const;
    void addEditor(IEditor *editor);
    void removeEditor(IEditor *editor);
    IEditor *currentEditor() const;
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    void setCurrentEditor(IEditor *editor);
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    bool hasEditor(IEditor *editor) const;

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    QList<IEditor *> editors() const;
    void showEditorInfoBar(const QString &kind,
                           const QString &infoText,
                           const QString &buttonText,
                           QObject *object, const char *member);
    void hideEditorInfoBar(const QString &kind);

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    void showEditorStatusBar(const QString &kind,
                           const QString &infoText,
                           const QString &buttonText,
                           QObject *object, const char *member);
    void hideEditorStatusBar(const QString &kind);
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public slots:
    void closeView();

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private slots:
    void updateEditorStatus(Core::IEditor *editor = 0);
    void checkEditorStatus();
    void makeEditorWritable();
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    void listSelectionActivated(int index);
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private:
    void updateToolBar(IEditor *editor);
    void checkProjectLoaded(IEditor *editor);

    QWidget *m_toolBar;
    QToolBar *m_activeToolBar;
    QStackedWidget *m_container;
    QComboBox *m_editorList;
    QToolButton *m_closeButton;
    QToolButton *m_lockButton;
    QToolBar *m_defaultToolBar;
    QString m_infoWidgetKind;
    QFrame *m_infoWidget;
    QLabel *m_infoWidgetLabel;
    QToolButton *m_infoWidgetButton;
    IEditor *m_editorForInfoWidget;
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    QString m_statusWidgetKind;
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    QFrame *m_statusHLine;
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    QFrame *m_statusWidget;
    QLabel *m_statusWidgetLabel;
    QToolButton *m_statusWidgetButton;
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    QSortFilterProxyModel m_proxyModel;
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    QList<IEditor *> m_editors;
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    QMap<QWidget *, IEditor *> m_widgetEditorMap;
};

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class SplitterOrView  : public QWidget
{
    Q_OBJECT
public:
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    SplitterOrView(Internal::EditorModel *model = 0); // creates a splitter with an empty view
    SplitterOrView(Core::IEditor *editor);
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    ~SplitterOrView();
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    void split(Qt::Orientation orientation);
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    void unsplit();
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    inline bool isView() const { return m_view != 0; }
    inline void setRoot(bool b) { m_isRoot = b; }
    inline bool isRoot() const { return m_isRoot; }
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    inline bool isSplitter() const { return m_splitter != 0; }
    inline Core::IEditor *editor() const { return m_view ? m_view->currentEditor() : 0; }
    inline QList<Core::IEditor *> editors() const { return m_view ? m_view->editors() : QList<Core::IEditor*>(); }
    inline bool hasEditor(Core::IEditor *editor) const { return m_view && m_view->hasEditor(editor); }
    inline bool hasEditors() const { return m_view && m_view->editorCount() != 0; }
    inline EditorView *view() const { return m_view; }
    inline QSplitter *splitter() const { return m_splitter; }

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    SplitterOrView *findView(Core::IEditor *editor);
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    SplitterOrView *findView(EditorView *view);
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    SplitterOrView *findFirstView();
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    SplitterOrView *findEmptyView();
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    SplitterOrView *findSplitter(Core::IEditor *editor);
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    SplitterOrView *findSplitter(SplitterOrView *child);
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    SplitterOrView *findNextView(SplitterOrView *view);

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    QSize sizeHint() const { return minimumSizeHint(); }
    QSize minimumSizeHint() const;
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    void unsplitAll();

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protected:
    void focusInEvent(QFocusEvent *);
    void paintEvent(QPaintEvent *);

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private:
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    void unsplitAll_helper();
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    SplitterOrView *findNextView_helper(SplitterOrView *view, bool *found);
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    bool m_isRoot;
    QStackedLayout *m_layout;
    EditorView *m_view;
    QSplitter *m_splitter;
};


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}
}
#endif // EDITORVIEW_H