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/*
This base class is used by the Attribute editor for making your own attribute types.
The attribute editor will try and create an attribute called "AttribType_attribute",
and if it fails, it will create a "string_attribute".
*/
#ifndef __C_GUI_ATTRIBUTE_H_INCLUDED__
#define __C_GUI_ATTRIBUTE_H_INCLUDED__
#include "IGUIElement.h"
#include "IGUIEnvironment.h"
#include "IGUIFont.h"
#include "IGUIStaticText.h"
#include "IAttributes.h"
#include "CGUIEditWorkspace.h"
namespace irr
{
namespace gui
{
const u32 ATTRIBEDIT_ATTRIB_CHANGED=MAKE_IRR_ID('A','T','T','R');
class CGUIAttribute : public IGUIElement
{
public:
//! constructor
CGUIAttribute(IGUIEnvironment* environment, IGUIElement *parent, s32 myParentID) :
IGUIElement(EGUIET_ELEMENT, environment, parent, -1, core::rect<s32>(0, 0, 100, 100) ),
AttribName(0), Attribs(0), Index(0), MyParentID(myParentID)
{
#ifdef _DEBUG
setDebugName("CGUIAttribute");
#endif
AttribName = environment->addStaticText(0,
core::rect<s32>(0, 0,
100, Environment->getSkin()->getFont()->getDimension(L"A").Height),
false, false, this, -1, false);
AttribName->grab();
AttribName->setSubElement(true);
AttribName->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
}
virtual ~CGUIAttribute()
{
if (Attribs)
Attribs->drop();
if (AttribName)
AttribName->drop();
}
virtual bool OnEvent(const SEvent &e)
{
if (IsEnabled)
{
switch (e.EventType)
{
case EET_GUI_EVENT:
switch (e.GUIEvent.EventType)
{
case EGET_ELEMENT_FOCUSED:
if (Parent && isMyChild(e.GUIEvent.Caller))
Parent->bringToFront(this);
break;
case EGET_ELEMENT_HOVERED:
case EGET_ELEMENT_LEFT:
return IGUIElement::OnEvent(e);
case EGET_ELEMENT_FOCUS_LOST:
updateAttrib();
return IGUIElement::OnEvent(e);
default:
return updateAttrib();
}
break;
case EET_KEY_INPUT_EVENT:
return true;
default:
break;
}
}
return IGUIElement::OnEvent(e);
}
//! sets the attribute to use
virtual void setAttrib(io::IAttributes *attribs, u32 attribIndex)
{
if (Attribs)
Attribs->drop();
Attribs = attribs;
if (Attribs)
Attribs->grab();
Index = attribIndex;
core::stringw name(attribs->getAttributeName(attribIndex));
name += L" (";
name += attribs->getAttributeTypeString(attribIndex);
name += L")";
AttribName->setText(name.c_str());
core::rect<s32> r = Parent->getAbsolutePosition();
core::rect<s32> r2(0, 5,
r.getWidth(), Environment->getSkin()->getFont()->getDimension(L"A").Height + 10 );
AttribName->setRelativePosition(r2);
// get minimum height
s32 y=0;
core::list<IGUIElement*>::Iterator it = Children.begin();
for (; it != Children.end(); ++it)
{
if (y < (*it)->getRelativePosition().LowerRightCorner.Y)
y = (*it)->getRelativePosition().LowerRightCorner.Y;
}
setMinSize( core::dimension2du(0, y+5));
updateAttrib(false);
}
//! sets the parent ID, for identifying where events came from
void setParentID(s32 parentID)
{
MyParentID = parentID;
}
//! save the attribute and possibly post the event to its parent
virtual bool updateAttrib(bool sendEvent=true)
{
if (Attribs && IsEnabled && sendEvent)
{
// build event and pass to parent
SEvent event;
event.EventType = (EEVENT_TYPE)ATTRIBEDIT_ATTRIB_CHANGED;
event.UserEvent.UserData1 = MyParentID;
event.UserEvent.UserData2 = Index;
return Parent->OnEvent(event);
}
return true;
}
virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0)
{
IGUIElement::serializeAttributes(out, options);
}
virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)
{
IGUIElement::deserializeAttributes(in, options);
if (AttribName)
AttribName->setText(Text.c_str());
}
protected:
IGUIStaticText* AttribName;
io::IAttributes* Attribs;
u32 Index;
s32 MyParentID;
};
} // namespace gui
} // namespace irr
#endif
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