/*
-----------------------------------------------------------------------------
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 "PassPage.h"

#include <wx/button.h>
#include <wx/combobox.h>
#include <wx/dirdlg.h>
#include <wx/sizer.h>
#include <wx/stattext.h>
#include <wx/textctrl.h>

#include "OgreTechnique.h"

#include "MaterialController.h"
#include "PassController.h"
#include "Project.h"
#include "TechniqueController.h"
#include "Workspace.h"

const long ID_PROJECT_COMBO_BOX = wxNewId();
const long ID_MATERIAL_COMBO_BOX = wxNewId();
const long ID_TECHNIQUE_COMBO_BOX = wxNewId();

BEGIN_EVENT_TABLE(PassPage, wxWizardPageSimple)
	EVT_CHOICE(ID_PROJECT_COMBO_BOX, PassPage::OnProjectSelected)
	EVT_CHOICE(ID_MATERIAL_COMBO_BOX, PassPage::OnMaterialSelected)
	//EVT_CHOICE(ID_TECHNIQUE_COMBO_BOX, TechniquePage::OnTechniqueSelected)
END_EVENT_TABLE()

PassPage::PassPage(wxWizard* parent)
: wxWizardPageSimple(parent), mProject(NULL), mMaterial(NULL), mTechnique(NULL)
{
	createPage();
}

PassPage::PassPage(wxWizard* parent, Project* project)
: wxWizardPageSimple(parent), mProject(project), mMaterial(NULL), mTechnique(NULL)
{
	createPage();
}


PassPage::PassPage(wxWizard* parent, Project* project, MaterialController* mc)
: wxWizardPageSimple(parent), mProject(project), mMaterial(mc), mTechnique(NULL)
{
	createPage();
}

PassPage::PassPage(wxWizard* parent, Project* project, MaterialController* mc, TechniqueController* tc)
: wxWizardPageSimple(parent), mProject(project), mMaterial(mc), mTechnique(tc)
{
	createPage();
}


PassPage::~PassPage()
{
}

void PassPage::createPage()
{
	mSizer = new wxBoxSizer(wxVERTICAL);

	// Project Label
	mProjectLabel = new wxStaticText(this, wxID_ANY, wxT("Project:"), wxDefaultPosition, wxDefaultSize, 0);
	mSizer->Add(mProjectLabel, 0, wxALL, 0);

	// Project Combo Box
	wxArrayString projectNames;
	const ProjectList* projects = Workspace::getSingletonPtr()->getProjects();
	for(ProjectList::const_iterator it = projects->begin(); it != projects->end(); ++it)
		projectNames.Add((*it)->getName().c_str());

	// TODO: Select first Project
	mProjectComboBox = new wxComboBox(this, ID_PROJECT_COMBO_BOX, wxEmptyString, wxDefaultPosition, wxDefaultSize, projectNames, wxCB_DROPDOWN);
	mSizer->Add(mProjectComboBox, 0, wxALL | wxEXPAND, 0);

	// Material Label
	mMaterialLabel = new wxStaticText(this, wxID_ANY, wxT("Material:"), wxDefaultPosition, wxDefaultSize, 0);
	mSizer->Add(mMaterialLabel, 0, wxALL, 0);

	// Material Combo Box
	mMaterialComboBox = new wxComboBox(this, ID_MATERIAL_COMBO_BOX);
	mSizer->Add(mMaterialComboBox, 0, wxALL | wxEXPAND, 0);

	// Technique Label
	mTechniqueLabel = new wxStaticText(this, wxID_ANY, wxT("Technique:"), wxDefaultPosition, wxDefaultSize, 0);
	mSizer->Add(mTechniqueLabel, 0, wxALL, 0);

	// Technique Combo Box
	mTechniqueComboBox = new wxComboBox(this, ID_TECHNIQUE_COMBO_BOX);
	mSizer->Add(mTechniqueComboBox, 0, wxALL | wxEXPAND, 0);

	// Name Label
	mNameLabel = new wxStaticText(this, wxID_ANY, wxT("Name:"), wxDefaultPosition, wxDefaultSize, 0);
	mSizer->Add(mNameLabel, 0, wxALL, 0);

	// Name Text
	mNameText = new wxTextCtrl(this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxDefaultSize);
	mSizer->Add(mNameText, 0, wxALL | wxEXPAND, 0);

	SetSizer(mSizer);
	Layout();
}

void PassPage::getName(wxString& name) const
{
	name = mNameText->GetValue();
}

Project* PassPage::getProject() const
{
	wxString project = mProjectComboBox->GetValue();

	return Workspace::getSingletonPtr()->getProject(project.c_str());
}

MaterialController* PassPage::getMaterial() const
{
	wxString material = mMaterialComboBox->GetValue();

	return getProject()->getMaterialController(material.c_str());
}

TechniqueController* PassPage::getTechnique() const
{
	wxString technique = mTechniqueComboBox->GetValue();

	return getMaterial()->getTechniqueController(technique.c_str());
}

void PassPage::setProject(Project* project)
{
	mProjectComboBox->SetValue(project != NULL ? project->getName().c_str() : wxEmptyString);
	populateMaterials(project != NULL ? project->getMaterials() : NULL);
}

void PassPage::setMaterial(MaterialController* mc)
{
	mMaterialComboBox->SetValue(mc != NULL ? mc->getMaterial()->getName().c_str() : wxEmptyString);
	populateTechniques(mc != NULL ? mc->getTechniqueControllers() : NULL);
}

void PassPage::setTechnique(TechniqueController* tc)
{
	mTechniqueComboBox->SetValue(tc != NULL ? tc->getTechnique()->getName().c_str() : wxEmptyString);
}

void PassPage::OnProjectSelected(wxCommandEvent& event)
{
	Project* project = getProject();
	if(project != NULL)
		populateMaterials(project->getMaterials());
}

void PassPage::OnMaterialSelected(wxCommandEvent& event)
{
	MaterialController* mc = getMaterial();
	if(mc != NULL)
		populateTechniques(mc->getTechniqueControllers());
}

void PassPage::populateMaterials(const MaterialControllerList* materials)
{
	if(materials == NULL)
	{
		mMaterialComboBox->Clear();
		return;
	}

	wxArrayString materialNames;
	MaterialControllerList::const_iterator it;
	for(it = materials->begin(); it != materials->end(); ++it)
	{
		materialNames.Add((*it)->getMaterial()->getName().c_str());
	}

	mMaterialComboBox->Clear();
	mMaterialComboBox->Append(materialNames);
}

void PassPage::populateTechniques(const TechniqueControllerList* techniques)
{
	if(techniques == NULL)
	{
		mTechniqueComboBox->Clear();
		return;
	}

	wxArrayString techniqueNames;
	TechniqueControllerList::const_iterator it;
	for(it = techniques->begin(); it != techniques->end(); ++it)
	{
		techniqueNames.Add((*it)->getTechnique()->getName().c_str());
	}

	mTechniqueComboBox->Clear();
	mTechniqueComboBox->Append(techniqueNames);
}


