CEGUITreeItem.h

/***********************************************************************
    filename:  CEGUITreeItem.h
    created:   5-13-07
    author:    Jonathan Welch (Based on Code by David Durant)
 *************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
 *
 *   Permission is hereby granted, free of charge, to any person obtaining
 *   a copy of this software and associated documentation files (the
 *   "Software"), to deal in the Software without restriction, including
 *   without limitation the rights to use, copy, modify, merge, publish,
 *   distribute, sublicense, and/or sell copies of the Software, and to
 *   permit persons to whom the Software is furnished to do so, subject to
 *   the following conditions:
 *
 *   The above copyright notice and this permission notice shall be
 *   included in all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *   OTHER DEALINGS IN THE SOFTWARE.
 ***************************************************************************/
#ifndef _CEGUITreeItem_h_
#define _CEGUITreeItem_h_

#include "CEGUIBase.h"
#include "CEGUIString.h"
#include "CEGUIColourRect.h"
#include "CEGUIRenderCache.h"

#if defined(_MSC_VER)
#   pragma warning(push)
#   pragma warning(disable : 4251)
#endif

// Start of CEGUI namespace section
namespace CEGUI
{
class CEGUIEXPORT TreeItem
{
public:
    typedef std::vector<TreeItem*>  LBItemList;
    
    /*************************************************************************
        Constants
     *************************************************************************/
    static const colour DefaultTextColour;
    static const colour DefaultSelectionColour;

    /*************************************************************************
        Construction and Destruction
     *************************************************************************/
    TreeItem(const String& text, uint item_id = 0, void* item_data = 0,
             bool disabled = false, bool auto_delete = true);
    
    virtual ~TreeItem(void) {}
    
    /*************************************************************************
        Accessors
     *************************************************************************/
    Font* getFont(void) const;

    ColourRect getTextColours(void) const
        { return d_textCols; }
    
    /*************************************************************************
        Manipulator methods
     *************************************************************************/
    void setFont(Font* font)
        { d_font = font; }
    
    void setFont(const String& font_name);

    void setTextColours(const ColourRect& cols)
        { d_textCols = cols; }

    void setTextColours(colour top_left_colour, colour top_right_colour,
                        colour bottom_left_colour, colour bottom_right_colour);
    
    void setTextColours(colour col)
        { setTextColours(col, col, col, col); }
    
    const String&  getText(void) const
        { return d_itemText; }
    
    const String& getTooltipText(void) const
        { return d_tooltipText; }
    
    uint getID(void) const
        { return d_itemID; }
    
    void* getUserData(void) const
        { return d_itemData; }

    bool isSelected(void) const
        { return d_selected; }

    bool isDisabled(void) const
        { return d_disabled; }
    
    bool isAutoDeleted(void) const
        { return d_autoDelete; }

    const Window* getOwnerWindow(void)
        { return d_owner; }

    ColourRect getSelectionColours(void) const
        { return d_selectCols; }
    
    
    const Image* getSelectionBrushImage(void) const
        { return d_selectBrush; }
    
    
    /*************************************************************************
        Manipulators
     *************************************************************************/
    void setText(const String& text)
        { d_itemText = text; }

    void setTooltipText(const String& text)
        { d_tooltipText = text; }

    void setID(uint item_id)
        { d_itemID = item_id; }

    void setUserData(void* item_data)
        { d_itemData = item_data; }
   
    void setSelected(bool setting)
        { d_selected = setting; }

    void setDisabled(bool setting)
        { d_disabled = setting; }
    
    void setAutoDeleted(bool setting)
        { d_autoDelete = setting; }
    
    void setOwnerWindow(const Window* owner)
        { d_owner = owner; }

    void setSelectionColours(const ColourRect& cols)
        { d_selectCols = cols; }
    
    
    void setSelectionColours(colour top_left_colour,
                             colour top_right_colour,
                             colour bottom_left_colour,
                             colour bottom_right_colour);
    
    void setSelectionColours(colour col)
        { setSelectionColours(col, col, col, col); }
    
    
    void setSelectionBrushImage(const Image* image)
        { d_selectBrush = image; }
    
    
    void setSelectionBrushImage(const String& imageset, const String& image);
    
    void setButtonLocation(Rect &buttonOffset)
        { d_buttonLocation = buttonOffset; }
    
    Rect &getButtonLocation(void)
        { return d_buttonLocation; }

    bool getIsOpen(void)
        { return d_isOpen; }

    void toggleIsOpen(void)
        { d_isOpen = !d_isOpen; }

    TreeItem *getTreeItemFromIndex(size_t itemIndex);

    size_t getItemCount(void) const
        { return d_listItems.size(); }

    LBItemList &getItemList(void)
        { return d_listItems; }

    void addItem(TreeItem* item);
    void removeItem(const TreeItem* item);

    void setIcon(const Image &theIcon)
        { d_iconImage = (Image *)&theIcon; }

    /*************************************************************************
        Abstract portion of interface
     *************************************************************************/
    virtual Size getPixelSize(void) const;

    virtual void draw(const Vector3& position, float alpha,
                      const Rect& clipper) const;
    
    virtual void draw(RenderCache& cache,const Rect& targetRect, float zBase,
                      float alpha, const Rect* clipper) const;
    
    /*************************************************************************
        Operators
     *************************************************************************/
    virtual bool operator<(const TreeItem& rhs) const
        { return d_itemText < rhs.getText(); }

    virtual bool operator>(const TreeItem& rhs) const
        { return d_itemText > rhs.getText(); }
    
protected:
    /*************************************************************************
        Implementation methods
     *************************************************************************/
    ColourRect getModulateAlphaColourRect(const ColourRect& cols,
                                          float alpha) const;

    colour calculateModulatedAlphaColour(colour col, float alpha) const;
    
    /*************************************************************************
        Implementation Data
     *************************************************************************/
    String d_itemText;
    String d_tooltipText;
    uint d_itemID;
    void* d_itemData;
    bool d_selected;
    bool d_disabled;
    bool d_autoDelete;
    Rect d_buttonLocation;
    const Window* d_owner;
    ColourRect d_selectCols;
    const Image* d_selectBrush;
    ColourRect d_textCols;
    Font* d_font;
    Image* d_iconImage;
    LBItemList d_listItems;
    bool d_isOpen;
};

} // End of  CEGUI namespace section

#if defined(_MSC_VER)
#   pragma warning(pop)
#endif

#endif   // end of guard _CEGUITreeItem_h_