/*
-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2009 Torus Knot Software Ltd

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 OR COPYRIGHT HOLDERS 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.
-----------------------------------------------------------------------------
*/
#include "PropertiesPanel.h"

#include <boost/any.hpp>
#include <boost/bind.hpp>

#include <wx/button.h>
#include <wx/dcclient.h>
#include <wx/scrolwin.h>
#include <wx/sizer.h>
#include <wx/stattext.h>
#include <wx/toolbar.h>
#include <wx/propgrid/manager.h>
#include <wx/propgrid/advprops.h>

#include "OgreMaterial.h"
#include "OgreMaterialManager.h"
#include "OgrePass.h"
#include "OgreTechnique.h"

#include "EventArgs.h"
#include "MaterialController.h"
#include "MaterialEventArgs.h"
#include "MaterialPropertyGridPage.h"
#include "MaterialWizard.h"
#include "PassController.h"
#include "PassPropertyGridPage.h"
#include "Project.h"
#include "ProjectEventArgs.h"
#include "ProjectWizard.h"
#include "PassPropertyGridPage.h"
#include "SelectionEventArgs.h"
#include "SelectionService.h"
#include "TechniqueController.h"
#include "TechniqueEventArgs.h"
#include "TechniquePropertyGridPage.h"
#include "TechniqueWizard.h"
#include "Workspace.h"
#include "WorkspaceEventArgs.h"

BEGIN_EVENT_TABLE(PropertiesPanel, wxPanel)
END_EVENT_TABLE()

PropertiesPanel::PropertiesPanel(wxWindow* parent,
							   wxWindowID id /* = wxID_ANY */,
							   const wxPoint& pos /* = wxDefaultPosition */,
							   const wxSize& size /* = wxDefaultSize */,
							   long style /* = wxTAB_TRAVERSAL | wxNO_BORDER */,
							   const wxString& name /* = wxT("Workspace Panel")) */)
							   : wxPanel(parent, id, pos, size, style, name)
{
	mGridSizer = new wxGridSizer(1, 1, 0, 0);

	mPropertyGrid = new wxPropertyGridManager(this, wxID_ANY, wxDefaultPosition, wxDefaultSize,
		wxPG_BOLD_MODIFIED | wxPG_SPLITTER_AUTO_CENTER | wxPG_DESCRIPTION | wxPGMAN_DEFAULT_STYLE);

	// Adding a page sets target page to the one added, so
	// we don't have to call SetTargetPage if we are filling
	// it right after adding.
	//MaterialController* controller = new MaterialController((MaterialPtr)MaterialManager::getSingletonPtr()->create("Test", ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME));
	//TechniqueController* tc = controller->createTechnique();
	//PassController* pc = tc->createPass();
	//PassPropertyGridPage* page = new PassPropertyGridPage(pc);
	//TechniquePropertyGridPage* page = new TechniquePropertyGridPage(tc);
	//MaterialPropertyGridPage* page = new MaterialPropertyGridPage(controller);
	//mPropertyGrid->AddPage(wxEmptyString, wxPG_NULL_BITMAP, page);
	//page->populate();

	// For total safety, finally reset the target page.
	//mPropertyGrid->SetTargetPage(0);

	mGridSizer->Add(mPropertyGrid, 0, wxALL | wxEXPAND, 0);

	SetSizer(mGridSizer);
	Layout();

	SelectionService::getSingletonPtr()->subscribe(SelectionService::SelectionChanged, boost::bind(&PropertiesPanel::selectionChanged, this, _1));
	Workspace::getSingletonPtr()->subscribe(Workspace::ProjectRemoved, boost::bind(&PropertiesPanel::projectRemoved, this, _1));
}

PropertiesPanel::~PropertiesPanel()
{
}

void PropertiesPanel::selectionChanged(EventArgs& args)
{
	SelectionEventArgs sea = dynamic_cast<SelectionEventArgs&>(args);
	SelectionList selection = sea.getSelection();
	if(!selection.empty())
	{
		boost::any sel = selection.front();
		if(sel.type() == typeid(Project))
		{
		}
		else if(sel.type() == typeid(MaterialController*))
		{
			MaterialController* mc = any_cast<MaterialController*>(sel);

			MaterialPageIndexMap::iterator it = mMaterialPageIndexMap.find(mc);
			if(it != mMaterialPageIndexMap.end())
			{
				int index = mMaterialPageIndexMap[mc];
				mPropertyGrid->SelectPage(index);
			}
			else
			{
				MaterialPropertyGridPage* page = new MaterialPropertyGridPage(mc);

				int index = mPropertyGrid->AddPage(wxEmptyString, wxPG_NULL_BITMAP, page);
				page->populate();

				mMaterialPageIndexMap[mc] = index;

				mPropertyGrid->SelectPage(index);
			}
		}
		else if(sel.type() == typeid(TechniqueController*))
		{
			TechniqueController* tc = any_cast<TechniqueController*>(sel);

			TechniquePageIndexMap::iterator it = mTechniquePageIndexMap.find(tc);
			if(it != mTechniquePageIndexMap.end())
			{
				int index = mTechniquePageIndexMap[tc];
				mPropertyGrid->SelectPage(index);
			}
			else
			{
				TechniquePropertyGridPage* page = new TechniquePropertyGridPage(tc);

				int index = mPropertyGrid->AddPage(wxEmptyString, wxPG_NULL_BITMAP, page);
				page->populate();

				mTechniquePageIndexMap[tc] = index;

				mPropertyGrid->SelectPage(index);
			}
		}
		else if(sel.type() == typeid(PassController*))
		{
			PassController* pc = any_cast<PassController*>(sel);

			PassPageIndexMap::iterator it = mPassPageIndexMap.find(pc);
			if(it != mPassPageIndexMap.end())
			{
				int index = mPassPageIndexMap[pc];
				mPropertyGrid->SelectPage(index);
			}
			else
			{
				PassPropertyGridPage* page = new PassPropertyGridPage(pc);

				int index = mPropertyGrid->AddPage(wxEmptyString, wxPG_NULL_BITMAP, page);
				page->populate();

				mPassPageIndexMap[pc] = index;

				mPropertyGrid->SelectPage(index);
			}
		}

		mPropertyGrid->Refresh();
	}
}

void PropertiesPanel::projectRemoved(EventArgs& args)
{
	// Consider: Should this method also attempt to remove all
	//           of the page associated with this Projects, 
	//           Materials, Techniques, and Passes?
}

void PropertiesPanel::materialRemoved(EventArgs& args)
{
	// Consider: Should this method also attempt to remove all
	//           of the page associated with this Materials, Techniques,
	//           and Passes?

	ProjectEventArgs pea = dynamic_cast<ProjectEventArgs&>(args);
	MaterialController* mc = pea.getMaterial();

	MaterialPageIndexMap::iterator it = mMaterialPageIndexMap.find(mc);
	if(it != mMaterialPageIndexMap.end())
	{
		mPropertyGrid->RemovePage(mMaterialPageIndexMap[mc]);
		mMaterialPageIndexMap.erase(it);
	}
}

void PropertiesPanel::techniqueRemoved(EventArgs& args)
{
	// Consider: Should this method also attempt to remove all
	//           of the page associated with this Techniques, Passes?

	MaterialEventArgs mea = dynamic_cast<MaterialEventArgs&>(args);
	TechniqueController* tc = mea.getTechniqueController();

	TechniquePageIndexMap::iterator it = mTechniquePageIndexMap.find(tc);
	if(it != mTechniquePageIndexMap.end())
	{
		mPropertyGrid->RemovePage(mTechniquePageIndexMap[tc]);
		mTechniquePageIndexMap.erase(it);
	}
}

void PropertiesPanel::passRemoved(EventArgs& args)
{
	TechniqueEventArgs tea = dynamic_cast<TechniqueEventArgs&>(args);
	PassController* pc = tea.getPassController();

	PassPageIndexMap::iterator it = mPassPageIndexMap.find(pc);
	if(it != mPassPageIndexMap.end())
	{
		mPropertyGrid->RemovePage(mPassPageIndexMap[pc]);
		mPassPageIndexMap.erase(it);
	}
}
