#include <meshwrp/factor.hpp>
#include <meshwrp/resource.hpp>

Factor::Factor(GUIWindow &parent,const String &strCaption)
: mhParent(parent), mWidthFactor(0.00), mWidthIncremental(0.00),
	mWidthOperation(None), mHeightFactor(0.00), mHeightIncremental(0.00),
	mHeightOperation(None), mhInstance(parent.processInstance())
{
  mInitHandler.setCallback(this,&Factor::initHandler);
	mCommandHandler.setCallback(this,&Factor::commandHandler);
	insertHandler(VectorHandler::CommandHandler,&mCommandHandler);
  insertHandler(VectorHandler::InitDialogHandler,&mInitHandler);
  mCaption=strCaption;
}

Factor::~Factor()
{
	removeHandler(VectorHandler::CommandHandler,&mCommandHandler);
  removeHandler(VectorHandler::InitDialogHandler,&mInitHandler);
}

bool Factor::showFactor(double &widthFactor,double &heightFactor,double &widthIncremental,Operation &widthOperation,double &heightIncremental,Operation &heightOperation)
{
  bool returnCode;
	mFactorType=Incremental;
	returnCode=::DialogBoxParam(mhInstance,(LPSTR)"Factor",mhParent,(DLGPROC)DWindow::DlgProc,(LONG)((DWindow*)this));
	if(!returnCode)return false;
	widthFactor=mWidthFactor;
	widthIncremental=mWidthIncremental;
	widthOperation=mWidthOperation;
	heightFactor=mHeightFactor;
	heightIncremental=mHeightIncremental;
	heightOperation=mHeightOperation;
	return true;
}

bool Factor::showFactor(double &widthFactor,double &heightFactor)
{
	bool returnCode;

	mFactorType=NonIncremental;
	returnCode=::DialogBoxParam(mhInstance,(LPSTR)"Factor",mhParent,(DLGPROC)DWindow::DlgProc,(LONG)((DWindow*)this));
	if(!returnCode)return false;
	widthFactor=mWidthFactor;
	heightFactor=mHeightFactor;
	return true;
}

void Factor::initializeStrings(void)
{
	mWidthStringIndex=0;
	mHeightStringIndex=0;
	mWidthStrings.insert(&String("+="));
	mWidthStrings.insert(&String("-="));
	mWidthStrings.insert(&String("\\="));
	mWidthStrings.insert(&String("*="));
	mHeightStrings.insert(&mWidthStrings[0]);
	mHeightStrings.insert(&mWidthStrings[1]);
	mHeightStrings.insert(&mWidthStrings[2]);
	mHeightStrings.insert(&mWidthStrings[3]);
}

void Factor::currentOperation(WORD stringIndex,Operation &operation)const
{
	switch(stringIndex)
	{
	  case 0 :
		  operation=Add;
			break;
		case 1 :
			operation=Subtract;
			break;
		case 2 :
			operation=Divide;
			break;
		case 3 :
			operation=Multiply;
			break;
	}
}

CallbackData::ReturnType Factor::initHandler(CallbackData &callbackData)
{
  mWidthStrings.remove();
	mHeightStrings.remove();
	if(Incremental==mFactorType)
	{
	  Rect cRect;
		windowRect(cRect);
		moveWindow(Rect(cRect.left(),cRect.top(),407,148),true);
		initializeStrings();
		currentOperation(mWidthStringIndex,mWidthOperation);
		currentOperation(mHeightStringIndex,mHeightOperation);
		setText(FACTOR_WOPSTRING,mWidthStrings[mWidthStringIndex]);
		setText(FACTOR_HOPSTRING,mHeightStrings[mHeightStringIndex]);
	}
	setCaption(mCaption);
	return true;
}

CallbackData::ReturnType Factor::commandHandler(CallbackData &callbackData)
{
  switch(callbackData.wmCommandID())
	{
	  case FACTOR_WIDTHOP	:
		  handleWidth(callbackData);
		  break;
	  case FACTOR_HEIGHTOP :
		  handleHeight(callbackData);
			break;
		case IDOK :
		  handleOk(callbackData);
			break;
	  case IDCANCEL :
		  handleCancel();
		  break;
	}
	return true;
}

void Factor::handleWidth(CallbackData &callbackData)
{
  LRESULT checkState;

  if(!(BN_CLICKED==HIWORD(callbackData.lParam())))return;
  if(!mWidthStrings.size())return;
	if(++mWidthStringIndex>=mWidthStrings.size())mWidthStringIndex=0;
	checkState=sendMessage(FACTOR_WIDTHOP,BM_GETCHECK,0,0L);
	sendMessage(FACTOR_WIDTHOP,BM_SETCHECK,!checkState,0L);
	setText(FACTOR_WOPSTRING,mWidthStrings[mWidthStringIndex]);
	sendMessage(FACTOR_WIDTHOP,BM_SETCHECK,!(!checkState),0L);
  currentOperation(mWidthStringIndex,mWidthOperation);
}

void Factor::handleHeight(CallbackData &callbackData)
{
  LRESULT checkState;

	if(!(BN_CLICKED==HIWORD(callbackData.lParam())))return;
	if(!mHeightStrings.size())return;

  if(++mHeightStringIndex>=mHeightStrings.size())mHeightStringIndex=0;
	checkState=sendMessage(FACTOR_HEIGHTOP,BM_GETCHECK,0,0L);
	sendMessage(FACTOR_HEIGHTOP,BM_SETCHECK,!checkState,0L);
	setText(FACTOR_HOPSTRING,mHeightStrings[mHeightStringIndex]);
	sendMessage(FACTOR_HEIGHTOP,BM_SETCHECK,!(!checkState),0L);
	currentOperation(mHeightStringIndex,mHeightOperation);
}

void Factor::handleOk(CallbackData &callackData)
{ 
  String itemText;

	getText(FACTOR_WIDTH,itemText);
	mWidthFactor=itemText.toDouble();
	getText(FACTOR_HEIGHT,itemText);
	mHeightFactor=itemText.toDouble();
  getText(FACTOR_WIDTHINCR,itemText);
	mWidthIncremental=itemText.toDouble();
	getText(FACTOR_HEIGHTINCR,itemText);
	mHeightIncremental=itemText.toDouble();
  endDialog(true);
}

void Factor::handleCancel()
{
  endDialog(false);
}