/**********************************************************************
** Copyright (C) 2005-2008 Trolltech ASA.  All rights reserved.
**
** This file is part of Qt Designer.
**
** 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 files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
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** or contact the sales department at sales@trolltech.com.
**
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** accordance with the Qt Commercial License Agreement provided with
** the Software.
**
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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**********************************************************************/

#ifndef PROPERTYEDITOR_H
#define PROPERTYEDITOR_H

#include <qfeatures.h>
#include <qvariant.h>
#include <qlistview.h>
#include <qptrlist.h>
#include <qguardedptr.h>
#include <qtabwidget.h>
#include <qmodules.h>
#include <qptrlist.h>
#include <qlayout.h>
#include <qcheckbox.h>
#include <qcombobox.h>
#include "hierarchyview.h"
#include "metadatabase.h"

class PropertyList;
class PropertyEditor;
class QPainter;
class QColorGroup;
class QLineEdit;
class QPushButton;
class QHBox;
class QSpinBox;
class QLabel;
class QFrame;
class FormWindow;
class QCloseEvent;
class QResizeEvent;
class PropertyWhatsThis;
class QDateEdit;
class QTimeEdit;
class QDateTimeEdit;

class PropertyItem : public QListViewItem
{
public:
    PropertyItem( PropertyList *l, PropertyItem *after, PropertyItem *prop, const QString &propName );
    ~PropertyItem();

    void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int align );
    void paintBranches( QPainter * p, const QColorGroup & cg,
			int w, int y, int h );
    void paintFocus( QPainter *p, const QColorGroup &cg, const QRect &r );

    virtual bool hasSubItems() const;
    virtual void createChildren();
    virtual void initChildren();

    bool isOpen() const;
    void setOpen( bool b );

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    QVariant value() const;
    QString name() const;
    virtual void notifyValueChange();

    virtual void setChanged( bool b, bool updateDb = TRUE );
    bool isChanged() const;

    virtual void placeEditor( QWidget *w );

    virtual PropertyItem *propertyParent() const;
    virtual void childValueChanged( PropertyItem *child );

    void addChild( PropertyItem *i );
    int childCount() const;
    PropertyItem *child( int i ) const;

    virtual bool hasCustomContents() const;
    virtual void drawCustomContents( QPainter *p, const QRect &r );

    void updateBackColor();

    void setup() { QListViewItem::setup(); setHeight( QListViewItem::height() + 2 ); }

    virtual QString currentItem() const;
    virtual int currentIntItem() const;
    virtual void setCurrentItem( const QString &s );
    virtual void setCurrentItem( int i );
    virtual int currentIntItemFromObject() const;
    virtual QString currentItemFromObject() const;

    void setFocus( QWidget *w );

    virtual void toggle();
    void setText( int col, const QString &txt );

protected:
    PropertyList *listview;
    QVariant val;

private:
    QColor backgroundColor();
    void createResetButton();
    void updateResetButtonState();

private:
    bool open, changed;
    PropertyItem *property;
    QString propertyName;
    QPtrList<PropertyItem> children;
    QColor backColor;
    QPushButton *resetButton;

};

class PropertyTextItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
    PropertyTextItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		      const QString &propName, bool comment, bool multiLine, bool ascii = FALSE, bool a = FALSE );
    ~PropertyTextItem();

    virtual void createChildren();
    virtual void initChildren();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual bool hasSubItems() const;
    virtual void childValueChanged( PropertyItem *child );

    virtual void setChanged( bool b, bool updateDb = TRUE );

private slots:
    void setValue();
    void getText();

private:
    QLineEdit *lined();
    QGuardedPtr<QLineEdit> lin;
    QGuardedPtr<QHBox> box;
    QPushButton *button;
    bool withComment, hasMultiLines, asciiOnly, accel;

};


class PropertyBoolItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
    PropertyBoolItem( PropertyList *l, PropertyItem *after, PropertyItem *prop, const QString &propName );
    ~PropertyBoolItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual void toggle();

private slots:
    void setValue();

private:
    QComboBox *combo();
    QGuardedPtr<QComboBox> comb;

};

class PropertyIntItem : public QObject,
			public PropertyItem
{
    Q_OBJECT

public:
    PropertyIntItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		     const QString &propName, bool s );
    ~PropertyIntItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

private slots:
    void setValue();

private:
    QSpinBox *spinBox();
    QGuardedPtr<QSpinBox> spinBx;
    bool signedValue;

};

class PropertyLayoutItem : public QObject,
			public PropertyItem
{
    Q_OBJECT

public:
    PropertyLayoutItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		        const QString &propName );
    ~PropertyLayoutItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

private slots:
    void setValue();

private:
    QSpinBox *spinBox();
    QGuardedPtr<QSpinBox> spinBx;

};

class PropertyDoubleItem : public QObject,
			public PropertyItem
{
    Q_OBJECT

public:
    PropertyDoubleItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		     const QString &propName );
    ~PropertyDoubleItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

private slots:
    void setValue();

private:
    QLineEdit *lined();
    QGuardedPtr<QLineEdit> lin;
};

class PropertyListItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
    PropertyListItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		      const QString &propName, bool editable );
    ~PropertyListItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

    QString currentItem() const;
    int currentIntItem() const;
    void setCurrentItem( const QString &s );
    void setCurrentItem( int i );
    int currentIntItemFromObject() const;
    QString currentItemFromObject() const;
    void addItem( const QString &s );

private slots:
    void setValue();

private:
    QComboBox *combo();
    QGuardedPtr<QComboBox> comb;
    int oldInt;
    bool editable;
    QString oldString;

};

class PropertyFontItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
    PropertyFontItem( PropertyList *l, PropertyItem *after, PropertyItem *prop, const QString &propName );
    ~PropertyFontItem();

    virtual void createChildren();
    virtual void initChildren();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual bool hasSubItems() const;
    virtual void childValueChanged( PropertyItem *child );

private slots:
    void getFont();

private:
    QGuardedPtr<QLineEdit> lined;
    QGuardedPtr<QPushButton> button;
    QGuardedPtr<QHBox> box;

};

class PropertyCoordItem : public QObject,
			  public PropertyItem
{
    Q_OBJECT

public:
    enum Type { Rect, Size, Point };

    PropertyCoordItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		       const QString &propName, Type t );
    ~PropertyCoordItem();

    virtual void createChildren();
    virtual void initChildren();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual bool hasSubItems() const;
    virtual void childValueChanged( PropertyItem *child );

private:
    QLineEdit *lined();
    QGuardedPtr<QLineEdit> lin;
    Type typ;

};

class PropertyColorItem : public QObject,
			  public PropertyItem
{
    Q_OBJECT

public:
    PropertyColorItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		       const QString &propName, bool children );
    ~PropertyColorItem();

    virtual void createChildren();
    virtual void initChildren();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual bool hasSubItems() const;
    virtual void childValueChanged( PropertyItem *child );

    virtual bool hasCustomContents() const;
    virtual void drawCustomContents( QPainter *p, const QRect &r );

private slots:
    void getColor();

private:
    QGuardedPtr<QHBox> box;
    QGuardedPtr<QFrame> colorPrev;
    QGuardedPtr<QPushButton> button;
    bool withChildren;

};

class PropertyPixmapItem : public QObject,
			   public PropertyItem
{
    Q_OBJECT

public:
    enum Type { Pixmap, IconSet, Image };

    PropertyPixmapItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
			const QString &propName, Type t );
    ~PropertyPixmapItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

    virtual bool hasCustomContents() const;
    virtual void drawCustomContents( QPainter *p, const QRect &r );

private slots:
    void getPixmap();

private:
    QGuardedPtr<QHBox> box;
    QGuardedPtr<QLabel> pixPrev;
    QPushButton *button;
    Type type;

};


class PropertySizePolicyItem : public QObject,
			  public PropertyItem
{
    Q_OBJECT

public:
    PropertySizePolicyItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
			    const QString &propName );
    ~PropertySizePolicyItem();

    virtual void createChildren();
    virtual void initChildren();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual bool hasSubItems() const;
    virtual void childValueChanged( PropertyItem *child );

private:
    QLineEdit *lined();
    QGuardedPtr<QLineEdit> lin;

};

class PropertyPaletteItem : public QObject,
			    public PropertyItem
{
    Q_OBJECT

public:
    PropertyPaletteItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
			const QString &propName );
    ~PropertyPaletteItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

    virtual bool hasCustomContents() const;
    virtual void drawCustomContents( QPainter *p, const QRect &r );

private slots:
    void getPalette();

private:
    QGuardedPtr<QHBox> box;
    QGuardedPtr<QLabel> palettePrev;
    QGuardedPtr<QPushButton> button;

};

class PropertyCursorItem : public QObject,
			   public PropertyItem
{
    Q_OBJECT

public:
    PropertyCursorItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
			const QString &propName );
    ~PropertyCursorItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

private slots:
    void setValue();

private:
    QComboBox *combo();
    QGuardedPtr<QComboBox> comb;

};

class PropertyKeysequenceItem : public QObject,
				public PropertyItem
{
    Q_OBJECT

public:
    PropertyKeysequenceItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
			     const QString &propName );
    ~PropertyKeysequenceItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

private slots:
    void setValue();

private:
    bool eventFilter( QObject *o, QEvent *e );
    void handleKeyEvent( QKeyEvent *e );
    int translateModifiers( int state );

    QGuardedPtr<QLineEdit> sequence;
    QGuardedPtr<QHBox> box;
    int k1,k2,k3,k4;
    int num;
    bool mouseEnter;
};

class PropertyDatabaseItem : public QObject,
			     public PropertyItem
{
    Q_OBJECT

public:
    PropertyDatabaseItem( PropertyList *l, PropertyItem *after, PropertyItem *prop, const QString &propName, bool wField );
    ~PropertyDatabaseItem();

    virtual void createChildren();
    virtual void initChildren();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );
    virtual bool hasSubItems() const;
    virtual void childValueChanged( PropertyItem *child );

private:
    QGuardedPtr<QLineEdit> lined;
    QGuardedPtr<QPushButton> button;
    QGuardedPtr<QHBox> box;
    bool withField;

};

struct EnumItem {
    EnumItem( const QString &k, bool s )
	: key( k ), selected( s ) {}
    EnumItem() : key( QString::null ), selected( FALSE ) {}
    bool operator==( const EnumItem &item ) const {
	return key == item.key;
    }
    QString key;
    bool selected;
};

class EnumPopup : public QFrame
{
    Q_OBJECT

public:
    EnumPopup( QWidget *parent, const char *name, WFlags f=0 );
    ~EnumPopup();
    void insertEnums( QValueList<EnumItem> lst );
    QValueList<EnumItem> enumList() const;
    void closeWidget();

signals:
    void closed();
    void hidden();

protected:
    void keyPressEvent( QKeyEvent *e );

private:
    QValueList<EnumItem> itemList;
    QPtrList<QCheckBox> checkBoxList;
    QVBoxLayout *popLayout;
};

class EnumBox : public QComboBox
{
    Q_OBJECT

public:
    EnumBox( QWidget *parent, const char *name = 0 );
    ~EnumBox() {}
    void setText( const QString &text );
    void insertEnums( QValueList<EnumItem> lst );
    QValueList<EnumItem> enumList() const;

signals:
    void aboutToShowPopup();
    void valueChanged();

protected:
    void paintEvent( QPaintEvent * );
    void mousePressEvent( QMouseEvent *e );
    void keyPressEvent( QKeyEvent *e );

protected slots:
    void restoreArrow();
    void popupHidden();
    void popupClosed();

private:
    void popup();
    bool arrowDown;
    QString str;
    bool popupShown;
    EnumPopup *pop;

};
class PropertyEnumItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
    PropertyEnumItem( PropertyList *l, PropertyItem *after, PropertyItem *prop,
		      const QString &propName );
    ~PropertyEnumItem();

    void showEditor();
    void hideEditor();
    void setValue( const QVariant &v );
    QString currentItem() const;
    QString currentItemFromObject() const;
    void setCurrentValues( QStrList lst );

private slots:
    void setValue();
    void insertEnums();

private:
    QGuardedPtr<EnumBox> box;
    QValueList<EnumItem> enumList;
    QString enumString;
};

class PropertyList : public QListView
{
    Q_OBJECT

public:
    PropertyList( PropertyEditor *e );

    virtual void setupProperties();

    virtual void setCurrentItem( QListViewItem *i );
    virtual void valueChanged( PropertyItem *i );
    virtual void refetchData();
    virtual void setPropertyValue( PropertyItem *i );
    virtual void setCurrentProperty( const QString &n );

    void layoutInitValue( PropertyItem *i, bool changed = FALSE );
    PropertyEditor *propertyEditor() const;
    QString whatsThisAt( const QPoint &p );
    void showCurrentWhatsThis();

    enum LastEventType { KeyEvent, MouseEvent };
    LastEventType lastEvent();

public slots:
    void updateEditorSize();
    void resetProperty();
    void toggleSort();

private slots:
    void itemPressed( QListViewItem *i, const QPoint &p, int c );
    void toggleOpen( QListViewItem *i );
    bool eventFilter( QObject *o, QEvent *e );

protected:
    void resizeEvent( QResizeEvent *e );
    void paintEmptyArea( QPainter *p, const QRect &r );
    bool addPropertyItem( PropertyItem *&item, const QCString &name, QVariant::Type t );

    void viewportDragEnterEvent( QDragEnterEvent * );
    void viewportDragMoveEvent ( QDragMoveEvent * );
    void viewportDropEvent ( QDropEvent * );

protected:
    PropertyEditor *editor;

private:
    void readPropertyDocs();
    void setupCusWidgetProperties( MetaDataBase::CustomWidget *cw,
				   QMap<QString, bool> &unique,
				   PropertyItem *&item );
    QString whatsThisText( QListViewItem *i );

private:
    PropertyListItem* pressItem;
    QPoint pressPos;
    bool mousePressed;
    bool showSorted;
    QMap<QString, QString> propertyDocs;
    PropertyWhatsThis *whatsThis;
    LastEventType theLastEvent;
};

class EventList : public HierarchyList
{
    Q_OBJECT

public:
    EventList( QWidget *parent, FormWindow *fw, PropertyEditor *e );

    void setup();
    void setCurrent( QWidget *w );

protected:
    void contentsMouseDoubleClickEvent( QMouseEvent *e );

private:
    void save( QListViewItem *p );

private slots:
    void objectClicked( QListViewItem *i );
    void showRMBMenu( QListViewItem *, const QPoint & );
    void renamed( QListViewItem *i );

private:
    PropertyEditor *editor;

};


class PropertyEditor : public QTabWidget
{
    Q_OBJECT

public:
    PropertyEditor( QWidget *parent );

    QObject *widget() const;

    void clear();
    void setup();

    void emitWidgetChanged();
    void refetchData();

    void closed( FormWindow *w );

    PropertyList *propertyList() const;
    FormWindow *formWindow() const;
    EventList *eventList() const;

    QString currentProperty() const;
    QString classOfCurrentProperty() const;
    QMetaObject* metaObjectOfCurrentProperty() const;

    void resetFocus();

    void setPropertyEditorEnabled( bool b );
    void setSignalHandlersEnabled( bool b );

signals:
    void hidden();

public slots:
    void setWidget( QObject *w, FormWindow *fw );

protected:
    void closeEvent( QCloseEvent *e );

private:
    void updateWindow();

private:
    QObject *wid;
    PropertyList *listview;
    EventList *eList;
    FormWindow *formwindow;

};

class PropertyDateItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
    PropertyDateItem( PropertyList *l, PropertyItem *after, PropertyItem *prop, const QString &propName );
    ~PropertyDateItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

private slots:
    void setValue();

private:
    QDateEdit *lined();
    QGuardedPtr<QDateEdit> lin;

};

class PropertyTimeItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
    PropertyTimeItem( PropertyList *l, PropertyItem *after, PropertyItem *prop, const QString &propName );
    ~PropertyTimeItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

private slots:
    void setValue();

private:
    QTimeEdit *lined();
    QGuardedPtr<QTimeEdit> lin;

};

class PropertyDateTimeItem : public QObject,
			 public PropertyItem
{
    Q_OBJECT

public:
    PropertyDateTimeItem( PropertyList *l, PropertyItem *after, PropertyItem *prop, const QString &propName );
    ~PropertyDateTimeItem();

    virtual void showEditor();
    virtual void hideEditor();

    virtual void setValue( const QVariant &v );

private slots:
    void setValue();

private:
    QDateTimeEdit *lined();
    QGuardedPtr<QDateTimeEdit> lin;

};

#endif
