PT-Project-phase-2/ApplicationManager.cpp at master · ynmansy/PT-Project-phase-2 · GitHub

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#include "ApplicationManager.h"
#include "Actions\AddRectAction.h"
#include "SendBackAction.h"
#include "BringFrontAction.h"

//Constructor
ApplicationManager::ApplicationManager()
{
	//Create Input and output
	pOut = new Output;
	pIn = pOut->CreateInput();

	FigCount = 0;

	//Create an array of figure pointers and set them to NULL
	for(int i=0; i<MaxFigCount; i++)
		FigList[i] = NULL;
}

//==================================================================================//
//								Actions Related Functions							//
//==================================================================================//
ActionType ApplicationManager::GetUserAction() const
{
	//Ask the input to get the action from the user.
	return pIn->GetUserAction();
}
////////////////////////////////////////////////////////////////////////////////////
//Creates an action and executes it
void ApplicationManager::ExecuteAction(ActionType ActType)
{
	Action* pAct = NULL;

	//According to Action Type, create the corresponding action object
	switch (ActType)
	{
		case DRAW_RECT:
			pAct = new AddRectAction(this);
			break;

		case SEND_BACK:
			pAct = new SendBackAction(this);
			break;

			case BRING_FRONT:
			pAct = new BringFrontAction(this);
			break;

		case EXIT:
			///create ExitAction here

			break;

		case STATUS:	//a click on the status bar ==> no action
			return;
	}

	//Execute the created action
	if(pAct != NULL)
	{
		pAct->Execute();//Execute
		delete pAct;	//You may need to change this line depending to your implementation
		pAct = NULL;
	}
}
//==================================================================================//
//						Figures Management Functions								//
//==================================================================================//

//Add a figure to the list of figures
void ApplicationManager::AddFigure(CFigure* pFig)
{
	if(FigCount < MaxFigCount )
		FigList[FigCount++] = pFig;
}

void ApplicationManager::SendFigBack(int SelectedIndex)
{
	CFigure* SelectedFigure = FigList[SelectedIndex];//saving the selected figure in a separate pointer
	for (int i = SelectedIndex; i > 0; i--)//looping on figlist to increase the index of all preceding figures by one
		FigList[i] = FigList[i - 1];//this leaves the first place in the array empty for the selected figure
	//note that FigCount does not change
	FigList[0] = SelectedFigure;
}

void ApplicationManager::BringFigFront(int SelectedIndex)
{
	CFigure* SelectedFigure = FigList[SelectedIndex];//saving the selected figure in a separate pointer
	for (int i = SelectedIndex; i < FigCount; i++)//looping on figlist to dectrasee the index of all following figures by one
		FigList[i] = FigList[i + 1];//this leaves the last place in the array empty for the selected figure
	//note that FigCount does not change
	FigList[FigCount-1] = SelectedFigure;
}

////////////////////////////////////////////////////////////////////////////////////
CFigure *ApplicationManager::GetFigure(int x, int y) const
{
	//If a figure is found return a pointer to it.
	//if this point (x,y) does not belong to any figure return NULL


	//Add your code here to search for a figure given a point x,y
	//Remember that ApplicationManager only calls functions do NOT implement it.

	return NULL;
}

int ApplicationManager::GetSelectedFigureIndex() const
{
	for (int i = 0; i < FigCount; i++)//searching for a selected figure
		if (FigList[i]->IsSelected())
			return i;
	return -1;//a flag indicating that no figures are selected
}


//==================================================================================//
//							Interface Management Functions							//
//==================================================================================//

//Draw all figures on the user interface
void ApplicationManager::UpdateInterface() const
{
	for(int i=0; i<FigCount; i++)
		FigList[i]->Draw(pOut);		//Call Draw function (virtual member fn)
}
////////////////////////////////////////////////////////////////////////////////////
//Return a pointer to the input
Input *ApplicationManager::GetInput() const
{	return pIn; }
//Return a pointer to the output
Output *ApplicationManager::GetOutput() const
{	return pOut; }
////////////////////////////////////////////////////////////////////////////////////
//Destructor
ApplicationManager::~ApplicationManager()
{
	for(int i=0; i<FigCount; i++)
		delete FigList[i];
	delete pIn;
	delete pOut;

}