#include "GUINodePort.h"
#include <gui/GUIOverlay.h>

GUINodePort::GUINodePort()
	:input_mode(false)
{
	allowDrop = true;
	allowDrag = true;
	can_drag = false;
}
GUINodePort::~GUINodePort()
{
}
void GUINodePort::FinishDrag()
{
}
bool GUINodePort::DragEnter(DragInfo* info)
{
	if(this->input_mode == true && info->Name == STR("Shader_Output"))
		return true;
	if(this->input_mode == false && info->Name == STR("Shader_Input"))
		return true;
	return false;
}
void GUINodePort::AcceptDrop(DragInfo* info)
{
	Event_Link.Invoke(this, reinterpret_cast<GUINodePort*>(info->data));
}
void GUINodePort::OnMouseMove(int abs_x, int abs_y, int rel_x, int rel_y)
{
	if(can_drag)
	{
		can_drag = false;
		if(input_mode)
			info.Name = STR("Shader_Input");
		else
			info.Name = STR("Shader_Output");

		info.data = this;
		FindOverlay()->BeginDrag(this, &info);
	}
	else
	{
		GUIPlane::OnMouseMove(abs_x, abs_y, rel_x, rel_y);
	}
}

void GUINodePort::OnMousePress(int x, int y, int key)
{
	can_drag = true;
	GUIPlane::OnMousePress(x, y, key);
}