void AddRead::ReadActionParameters()
{
Input *pIn = pManager->GetInput();
Output *pOut = pManager->GetOutput();
pOut->PrintMessage("Read Statement: Click to add the statement");
while (1)
{
pIn->GetPointClicked(Position);
if (Position.y > UI.TlBrWdth && Position.y < UI.height - UI.StBrWdth)
{
//Calculating each corner of the statement block then check if it's inside another statement
Point C1(Position.x - UI.READ_WDTH / 2, Position.y);
Point C2(Position.x + UI.READ_WDTH / 2, Position.y);
Point C3(Position.x - UI.READ_WDTH / 2, Position.y + UI.READ_HI);
Point C4(Position.x + UI.READ_WDTH / 2, Position.y + UI.READ_HI);
if (pManager->GetStatement(C1) == NULL && pManager->GetStatement(C2) == NULL && pManager->GetStatement(C3) == NULL && pManager->GetStatement(C4) == NULL)
{
pOut->ClearStatusBar();
break;
}
else
pOut->PrintMessage("Can't add statement near another one !! Click in another valid position");
}
else
pOut->PrintMessage("Invalid area !! Click in another valid position");
}
}
void AddRead::Execute()
{
this->ReadActionParameters();
while (1)
{
Read *pRead = new Read(Position);
Output *pOut = pManager->GetOutput();
pOut->PrintMessage("Enter String: ");
Input *pIn = pManager->GetInput();
bool y = pRead->setData((pIn->GetString(pOut)));
if (y)
{
pManager->AddStatement(pRead);
pOut->ClearStatusBar();
break;
}
else
{
pOut->MsgBox("Invalid text !! Click ok to Re-enter data", "Error", true);
}
}
}
void AddSOAssign::ReadActionParameters()
{
Input *pIn = pManager->GetInput();
Output *pOut = pManager->GetOutput();
pManager->UnSelect();
while(1)
{pOut->PrintMessage("Single Operator Assignment Statement: Click to add the statement");
pIn->GetPointClicked(Position);
Point P[4];
P[0].x=Position.x-UI.ASSGN_WDTH/2; P[1].x=Position.x-UI.ASSGN_WDTH/2; P[2].x=Position.x+UI.ASSGN_WDTH/2; P[3].x=Position.x+UI.ASSGN_WDTH/2;
P[0].y=Position.y; P[1].y=Position.y+UI.ASSGN_HI; P[2].y=P[1].y; P[3].y=P[0].y;
if(P[0].x>UI.MnItWdth&&P[0].y>UI.TlBrWdth&&P[1].y<UI.height-UI.StBrWdth)
if(!pManager->onObject(P[0])&&!pManager->onObject(P[1])&&!pManager->onObject(P[2])&&!pManager->onObject(P[3]))
break;
if(pManager->onBars(Position)||pManager->onObject(Position))
{pOut->ClearStatusBar(); return;}
}
pOut->ClearStatusBar();
}
void Paste::ReadActionParameters()
{
Input *pIn = pManager->GetInput();
Output *pOut = pManager->GetOutput();
list<Statement*> CopiedOrCutStatements = pManager->GetCopiedOrCutStatements();
if (CopiedOrCutStatements.size() == 0)
{
pOut->PrintMessage("Please, Select statement(s) then Copy before Pasting!");
}
else
{
pOut->PrintMessage("Please Click where you want to paste your statements!");
pIn->GetPointClicked(P);
FlagToPaste = true;
}
}
void Copy::ReadActionParameters()
{
Input *pIn = pManager->GetInput();
Output *pOut = pManager->GetOutput();
pOut->PrintMessage("Your selected statement(s) are ready to be copied");
//pOut->ClearStatusBar();
}
void AddSmplAssign::ReadActionParameters()
{
Input *pIn = pManager->GetInput();
Output *pOut = pManager->GetOutput();
pOut->PrintMessage("Simple Value Assignment Statement: Click to add the statement");
pIn->GetPointClicked(Position);
pOut->ClearStatusBar();
}
void Resize::ReadActionParameters()
{
Input *pIn = pManager->GetInput();
Output *pOut = pManager->GetOutput();
Stat=pManager->GetSelectedStatement();
if(Stat==NULL)
{
pOut->PrintMessage("no selected Statement");
return;
}
while(1)
{
pOut->PrintMessage("pleaze enter '+' to zoom in or enter '-' to zoom out");
type=pIn->GetString(pOut);
if(type=="+"||type=="-")
break;
}
pOut->ClearStatusBar();
}
void Delete::Execute()
{
Input *pIn = pManager->GetInput();
Output *pOut = pManager->GetOutput();
//Get List of selected statements
list<Statement*> SelectedStatements = pManager->GetSelectedStatements();
list<Connector*> SelectedConnectors = pManager->GetSelectedConnectors();
Point TempP;
//list<Connector*>ConnList = pManager->GetConnList();
//Print Message and Wait for any click
pOut->PrintMessage("Delete: Deleting Selected Statements if any, press any key to continue");
pIn->GetPointClicked(TempP);
for (list<Connector*>::iterator it = SelectedConnectors.begin(); it != SelectedConnectors.end(); it++)
{
pManager->DeleteConnector((*it));
}
list<Connector*>ConnList = pManager->GetConnList();
for (list<Statement*>::iterator it = SelectedStatements.begin(); it != SelectedStatements.end(); it++)
{
//Delete Input Connectors
if ((*it)->GetStatementType() != 0 || ((*it)->GetStatementType() == 0 && ((StartEnd*)(*it))->GetMode() == true))
{
list<Connector*> InputConnectors;
for (list<Connector*>::iterator itConn = ConnList.begin(); itConn != ConnList.end(); itConn++)
{
if ((*itConn)->getDstStat() == (*it))
InputConnectors.push_back((*itConn));
}
for (list<Connector*>::iterator itConn = InputConnectors.begin(); itConn != InputConnectors.end(); itConn++)
{
/*
if ((*itConn)->getSrcStat()->GetpConn == (*itConn))
(*itConn)->getSrcStat()->SetpConn(NULL);
else if (((Conditional*)(*itConn)->getSrcStat())->GetpConnL() == (*itConn))
((Conditional*)(*itConn)->getSrcStat())->SetpConnL(NULL);
*/
if ((*itConn)->GetBranchType() == 2)
((Conditional*)(*itConn)->getSrcStat())->SetpConnL(NULL);
else
(*itConn)->getSrcStat()->SetpConn(NULL);
pManager->DeleteConnector((*itConn));
}
}
//Conditional
if ((*it)->GetStatementType() == 3)
{
//Yes
if (((Conditional*)(*it))->GetpConn() != NULL)
pManager->DeleteConnector(((Conditional*)(*it))->GetpConn());
//No
if (((Conditional*)(*it))->GetpConnL() != NULL)
pManager->DeleteConnector(((Conditional*)(*it))->GetpConnL());
}
else //Not Conditional
{
if ((*it)->GetpConn() != NULL)
pManager->DeleteConnector((*it)->GetpConn());
}
pManager->DeleteStatement((*it));
}
pOut->PrintMessage("");
pOut->ClearDrawArea();
pManager->UpdateInterface();
}
void EditConnector::Execute()
{
Output *pOut = pManager->GetOutput();
if (pManager->ZM)
{
pOut->MsgBox("You can't Edit Connectors in zoom mode !!", "Error", true);
return;
}
if (pManager->ConnSelectedCount > 0)
{
int toBeEdited = pManager->ConnSelectedCount;
Action* DeleteConnAct = new Delete(pManager);
DeleteConnAct->Execute();
for (int i = 0; i < pManager->StatCount; i++)
{
pManager->StatList[i]->SetSelected(false);
}
pManager->EmptySelectedList();
pManager->UpdateInterface();
pOut->ClearStatusBar();
for (int i = 0; i < toBeEdited; ++i)
{
pManager->UpdateInterface();
Point SrcP, DstP;
Statement *SrcS, *DstS;
while (1)
{
pOut->PrintMessage("Select new source for Selected connector " + to_string(i + 1) + ": ");
pManager->pIn->GetPointClicked(SrcP);
SrcS = pManager->GetStatement(SrcP);
if (SrcS)
{
SrcS->SetSelected(true);
pManager->AddSelected(SrcS);
}
pManager->UpdateInterface();
pOut->PrintMessage("Select new destination for Selected connector " + to_string(i + 1) + ": ");
pManager->pIn->GetPointClicked(DstP);
DstS = pManager->GetStatement(DstP);
if (DstS)
{
DstS->SetSelected(true);
pManager->AddSelected(DstS);
}
pManager->UpdateInterface();
if (SrcS && DstS && SrcS != DstS && !SrcS->hasConn() && !dynamic_cast<End*>(SrcS) && !dynamic_cast<Start*>(DstS))
{
break;
}
else
{
if (SrcS)
{
SrcS->SetSelected(false);
pManager->RemoveSelected(SrcS);
}
if (DstS)
{
DstS->SetSelected(false);
pManager->RemoveSelected(DstS);
}
pManager->EmptySelectedList();
pManager->UpdateInterface();
pOut->MsgBox("Invalid source or destination !! Click ok to Re-select", "Error", true);
}
}
Action* AddConnAct = new AddConnector(pManager);
AddConnAct->Execute();
delete AddConnAct;
}
DeleteConnAct = new Delete(pManager);
DeleteConnAct->Execute();
delete DeleteConnAct;
pOut->PrintMessage("Edited Successfully !");
}
else
pOut->MsgBox("You Should select the connector(s) first then click on the action", "Info", false);
}
void Paste::Execute()
{
Input *pIn = pManager->GetInput();
Output *pOut = pManager->GetOutput();
ReadActionParameters();
if (FlagToPaste == true) //Check that the user had already chosen Copy Or Cut to execute Paste action
{
//Get the List of Copied or Cut Statements
list<Statement*> CopiedOrCutStatements = pManager->GetCopiedOrCutStatements();
//If they are Copied
if (CopiedOrCutStatements.front()->GetCopiedOrCut() == 1) //Copy Action
{
Point LeftCornerUp, LeftCornerDown, RightCornerUp, RightCornerDown;
//Get First Copied statement type to help in calculating dx & dy
int Type = CopiedOrCutStatements.front()->GetStatementType();
//Get 4 corners of the point based on its type;
pManager->GetCorners(P, Type, LeftCornerUp, LeftCornerDown, RightCornerUp, RightCornerDown);
int dx, dy;
//Calculate dx and dy due to the first selectes statement
dx = LeftCornerUp.x - CopiedOrCutStatements.front()->GetLeftCorner().x;
dy = LeftCornerUp.y - CopiedOrCutStatements.front()->GetLeftCorner().y;
//Add New Statements to this list
list<Statement*> NewStatements;
for (list<Statement*>::iterator it = CopiedOrCutStatements.begin(); it != CopiedOrCutStatements.end(); it++)
{
Statement* NewStatement;
//Get Type of each statement
Type = (*it)->GetStatementType();
Point NewStatementPoint = (*it)->GetLeftCorner();
//This should be the new point for the current statement after copying
NewStatementPoint.x += dx;
NewStatementPoint.y += dy;
//Create New statement of the same type
//Types:
// 0 StartEnd
// 1 SMPLAssignment
// 2 VARAssignment
// 3 Conditional
// 4 Read Write
switch (Type)
{
//No case 0 because we will never have 0 type statements (Start End)
//"Start and End" are not copied
case 1:
NewStatement = new SmplAssign(*((SmplAssign*)(*it)));
break;
case 2:
NewStatement = new VariableAssign(*((VariableAssign*)(*it)));
break;
case 3:
NewStatement = new Conditional(*((Conditional*)(*it)));
((Conditional*)(NewStatement))->SetpConnL(NULL);
break;
case 4:
NewStatement = new ReadWrite(*((ReadWrite*)(*it)));
break;
}
Statement::IncrementIDCounter();
NewStatement->SetID(Statement::GetIDCounter());
NewStatement->SetLeftCorner(NewStatementPoint);
NewStatement->SetSelected(false);
NewStatement->SetCopiedOrCut(0);
NewStatement->UpdatePoints();
NewStatement->SetpConn(NULL);
//Dummy variable
bool tt;
//Check validity of point
if (pManager->IsOutOfBounds(NewStatement, tt, tt, tt, tt) || pManager->IsOverlapping(NewStatement))
{
//Print Error Message
pOut->PrintMessage("Unsuitable point for copying. Action terminated! Press any key to continue");
//Remove all new statements
for (list<Statement*>::iterator it2 = NewStatements.begin(); it2 != NewStatements.end(); it2++)
{
delete (*it2);
}
NewStatements.clear();
//Wait for key press
pIn->GetPointClicked(P);
pOut->PrintMessage("");
return;
}
//Statement position is okay, add it
NewStatements.push_back(NewStatement);
}
//All statements don't overlap, add them to Statements list
for (list<Statement*>::iterator it = NewStatements.begin(); it != NewStatements.end(); it++)
{
pManager->AddStatement((*it));
}
pManager->UpdateCopiedOrCutStatements(0);
}
//If they are Cut
else if (CopiedOrCutStatements.front()->GetCopiedOrCut() == 2) //Cut Action
{
//Cutting Statement Only
Point LeftCornerUp, LeftCornerDown, RightCornerUp, RightCornerDown;
//Get First Copied statement type to help in calculating dx & dy
int Type = CopiedOrCutStatements.front()->GetStatementType();
//Get 4 corners of the point based on its type;
pManager->GetCorners(P, Type, LeftCornerUp, LeftCornerDown, RightCornerUp, RightCornerDown);
int dx, dy;
dx = LeftCornerUp.x - CopiedOrCutStatements.front()->GetLeftCorner().x;
dy = LeftCornerUp.y - CopiedOrCutStatements.front()->GetLeftCorner().y;
//Store Old points before cutting
list<Point> OldPoints;
for (list<Statement*>::iterator it = CopiedOrCutStatements.begin(); it != CopiedOrCutStatements.end(); it++)
{
//Get Type of each statement
Point NewStatementPoint = (*it)->GetLeftCorner();
//Save Old Point
OldPoints.push_back(NewStatementPoint);
//Calculate New Point
NewStatementPoint.x += dx;
NewStatementPoint.y += dy;
//Edit Point
(*it)->SetLeftCorner(NewStatementPoint);
//Dummy variable
bool tt;
//Check validity of new position of pasted statement
if (pManager->IsOutOfBounds((*it), tt, tt, tt, tt) || pManager->IsOverlapping((*it)))
{
//Print Error Message
pOut->PrintMessage("Unsuitable point for cutting. Action terminated! Press any key to continue");
//Return pasted statements to their old positions
list<Statement*>::iterator it2 = CopiedOrCutStatements.begin();
for (list<Point>::iterator Pointit = OldPoints.begin(); Pointit != OldPoints.end(); Pointit++)
{
(*it2)->SetLeftCorner((*Pointit));
it2++;
}
OldPoints.clear();
//Wait for key press
pIn->GetPointClicked(P);
pOut->PrintMessage("");
pOut->ClearDrawArea();
pManager->UpdateInterface();
return;
}
(*it)->UpdatePoints();
}
for (list<Statement*>::iterator it = CopiedOrCutStatements.begin(); it != CopiedOrCutStatements.end(); it++)
{
(*it)->SetCopiedOrCut(0);
}
pManager->UpdateCopiedOrCutStatements(0);
}
pOut->ClearDrawArea();
pManager->UpdateInterface();
}
}
void GenerateCode::Execute()
{
Output *pOut = pManager->GetOutput();
Input *pIn = pManager->GetInput();
Action* pVal = new Validate(pManager);
string error;
if (dynamic_cast<Validate*>(pVal)->isValid(error) || error.find("zero") != string::npos)
{
ofstream Code;
Code.open("Code.cpp");
// Search for Start ID & End ID & Variable Names
int start_index, end_index;
set<string> vars;
set<string>::iterator it;
for (int i = 0; i < pManager->getStatCount(); ++i)
{
string tmp, data;
tmp = pManager->StatList[i]->CopyData();
for (int i = 0; i < tmp.size(); i++)
{
if (tmp[i] == ' ')
continue;
data += tmp[i];
}
// Search for Start ID & End ID
if (dynamic_cast<Start*>(pManager->StatList[i]))
start_index = i;
if (dynamic_cast<End*>(pManager->StatList[i]))
end_index = i;
// Search for Variable Names
if (dynamic_cast<Read*>(pManager->StatList[i]))
{
char* cData = new char[data.size() + 1];
strcpy(cData, data.c_str());
char* var = strtok(cData, ",");
while (var) {
vars.insert(var);
var = strtok(NULL, ",");
}
delete[] cData;
}
// Search for Variable Names
if (dynamic_cast<Write*>(pManager->StatList[i]))
{
char* cData = new char[data.size() + 1];
strcpy(cData, data.c_str());
char* var = strtok(cData, ",");
while (var) {
vars.insert(var);
var = strtok(NULL, ",");
}
delete[] cData;
}
// Search for Variable Names
if (dynamic_cast<Assign*>(pManager->StatList[i]))
{
string Left = data.substr(0, data.find('='));
vars.insert(Left);
string Right = data.substr(data.find('=') + 1);
string v;
for (int i = 0; i < Right.size(); i++)
{
if ((Right[i] == '+' || Right[i] == '-' || Right[i] == '*' || Right[i] == '/' || Right[i] == '%') && v.size())
{
vars.insert(v);
v.clear();
}
else if (isalpha(Right[i]))
v += Right[i];
}
if (v.size())
vars.insert(v);
}
// Search for Variable Names
if (dynamic_cast<Cond*>(pManager->StatList[i]))
{
string cond = dynamic_cast<Cond*>(pManager->StatList[i])->getCond();
string Left = data.substr(0, data.find(cond));
string Right = data.substr(data.find(cond) + cond.size());
string v;
for (int i = 0; i < Left.size(); i++)
{
if ((Left[i] == '+' || Left[i] == '-' || Left[i] == '*' || Left[i] == '/' || Left[i] == '%') && v.size())
{
vars.insert(v);
v.clear();
}
else if (isalpha(Left[i]))
v += Left[i];
}
if (v.size())
vars.insert(v);
v.clear();
for (int i = 0; i < Right.size(); i++)
{
if ((Right[i] == '+' || Right[i] == '-' || Right[i] == '*' || Right[i] == '/' || Right[i] == '%') && v.size())
{
vars.insert(v);
v.clear();
}
else if (isalpha(Right[i]))
v += Right[i];
}
if (v.size())
vars.insert(v);
}
}
string GeneratedCode;
int curr_idx, next_idx;
curr_idx = next_idx = start_index;
// Generate Start code
GeneratedCode += pManager->StatList[curr_idx]->GenerateCode(pManager->StatList, pManager->getStatCount(), end_index, curr_idx, next_idx, 0);
// Generate variables declarations
if (vars.size())
{
GeneratedCode += "\tdouble";
for (it = vars.begin(); it != vars.end(); ++it)
{
GeneratedCode += " " + *it + " = 0";
if (distance(it, vars.end()) > 1)
GeneratedCode += ",";
}
GeneratedCode += ";\n";
}
// Generate code for each statement after Start till End
while (1)
{
curr_idx = next_idx;
GeneratedCode += pManager->StatList[curr_idx]->GenerateCode(pManager->StatList, pManager->getStatCount(), end_index, curr_idx, next_idx, 1);
if (curr_idx == end_index)
break;
}
Code << GeneratedCode;
Code.close();
pOut->MsgBox("Code generated successfully !", "Info", false);
pOut->PrintMessage("Code generated successfully !");
}
else
pOut->MsgBox("Sorry. You can only generate code of a valid flowchart. And this is NOT !", "Error", true);
}