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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the Qt Designer of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #ifndef WIDGETBOXTREEWIDGET_H

    43 #define WIDGETBOXTREEWIDGET_H

    44 

    45 #include <qdesigner_widgetbox_p.h>

    46 

    47 #include <QtGui/QTreeWidget>

    48 #include <QtGui/QIcon>

    49 #include <QtCore/QList>

    50 #include <QtCore/QHash>

    51 #include <QtCore/QXmlStreamReader> // Cannot forward declare them on Mac

    52 #include <QtCore/QXmlStreamWriter>

    53 

    54 QT_BEGIN_NAMESPACE

    55 

    56 class QDesignerFormEditorInterface;

    57 class QDesignerDnDItemInterface;

    58 

    59 class QTimer;

    60 

    61 namespace qdesigner_internal {

    62 

    63 class WidgetBoxCategoryListView;

    64 

    65 // WidgetBoxTreeWidget: A tree of categories

    66 

    67 class WidgetBoxTreeWidget : public QTreeWidget

    68 {

    69     Q_OBJECT

    70 

    71 public:

    72     typedef QDesignerWidgetBoxInterface::Widget Widget;

    73     typedef QDesignerWidgetBoxInterface::Category Category;

    74     typedef QDesignerWidgetBoxInterface::CategoryList CategoryList;

    75 

    76     explicit WidgetBoxTreeWidget(QDesignerFormEditorInterface *core, QWidget *parent = 0);

    77     ~WidgetBoxTreeWidget();

    78 

    79     int categoryCount() const;

    80     Category category(int cat_idx) const;

    81     void addCategory(const Category &cat);

    82     void removeCategory(int cat_idx);

    83 

    84     int widgetCount(int cat_idx) const;

    85     Widget widget(int cat_idx, int wgt_idx) const;

    86     void addWidget(int cat_idx, const Widget &wgt);

    87     void removeWidget(int cat_idx, int wgt_idx);

    88 

    89     void dropWidgets(const QList<QDesignerDnDItemInterface*> &item_list);

    90 

    91     void setFileName(const QString &file_name);

    92     QString fileName() const;

    93     bool load(QDesignerWidgetBox::LoadMode loadMode);

    94     bool loadContents(const QString &contents);

    95     bool save();

    96     QIcon iconForWidget(QString iconName) const;

    97 

    98 signals:

    99     void pressed(const QString name, const QString dom_xml, const QPoint &global_mouse_pos);

   100 

   101 public slots:

   102     void filter(const QString &);

   103 

   104 protected:

   105     void contextMenuEvent(QContextMenuEvent *e);

   106     void resizeEvent(QResizeEvent *e);

   107 

   108 private slots:

   109     void slotSave();

   110     void slotScratchPadItemDeleted();

   111     void slotLastScratchPadItemDeleted();

   112 

   113     void handleMousePress(QTreeWidgetItem *item);

   114     void deleteScratchpad();

   115     void slotListMode();

   116     void slotIconMode();

   117 

   118 private:

   119     WidgetBoxCategoryListView *addCategoryView(QTreeWidgetItem *parent, bool iconMode);

   120     WidgetBoxCategoryListView *categoryViewAt(int idx) const;

   121     void adjustSubListSize(QTreeWidgetItem *cat_item);

   122 

   123     static bool readCategories(const QString &fileName, const QString &xml, CategoryList *cats, QString *errorMessage);

   124     static bool readWidget(Widget *w, const QString &xml, QXmlStreamReader &r);

   125 

   126     CategoryList loadCustomCategoryList() const;

   127     void writeCategories(QXmlStreamWriter &writer, const CategoryList &cat_list) const;

   128 

   129     int indexOfCategory(const QString &name) const;

   130     int indexOfScratchpad() const;

   131     int ensureScratchpad();

   132     void addCustomCategories(bool replace);

   133 

   134     void saveExpandedState() const;

   135     void restoreExpandedState();

   136     void updateViewMode();

   137 

   138     QDesignerFormEditorInterface *m_core;

   139     QString m_file_name;

   140     typedef QHash<QString, QIcon> IconCache;

   141     mutable IconCache m_pluginIcons;

   142     bool m_iconMode;

   143     QTimer *m_scratchPadDeleteTimer;

   144 };

   145 

   146 }  // namespace qdesigner_internal

   147 

   148 QT_END_NAMESPACE

   149 

   150 #endif // WIDGETBOXTREEWIDGET_H