private void btnNew_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
FlowMap canvas = new FlowMap();
canvas.MdiParent = this;
canvas.Show();
canvas.WindowState = FormWindowState.Maximized;
canvas.View.UpdateFormInfo();
FlowDocument doc = canvas.View.Doc;
doc.UndoManager.Clear();
doc.IsModified = false;
frmInfo dlg = new frmInfo();
dlg.Doc = doc;
dlg.ShowDialog();
}
private VarInfo HandleOutputblock(FlowBlock CurrentBlock, out string ErrorReport)
{
FlowMap map = form.ActiveMdiChild as FlowMap;
ErrorReport = "";
string expression = CurrentBlock.Text;
VarInfo varRes = FlowData.HandleExpression(expression, out ErrorReport);
if (ErrorReport != "")
{
return(null);
}
MainInterface.Instance.UserLog("Output: " + CurrentBlock.Text + " = " + varRes.value, LogType.Normal);
MainInterface.Instance.UserOutput(varRes.value, LogType.Normal);
return(varRes);
}
private VarInfo HandleInputBlock(FlowBlock CurrentBlock, out string ErrorReport)
{
FlowMap map = form.ActiveMdiChild as FlowMap;
ErrorReport = "";
string varAndType = CurrentBlock.Text;
string varName;
FlowData.HandleDeclaration(varAndType, out varName, out ErrorReport);
if (ErrorReport != "")
{
return(null);
}
DataType varType = FlowData.GetVarInfo(varName, out ErrorReport).type;
if (ErrorReport != "")
{
return(null);
}
frmScan InputForm = new frmScan(varName, varType);
DialogResult dialogResult = InputForm.ShowDialog();
if (dialogResult == DialogResult.Cancel)
{
ErrorReport = "Error: User input was canceled";
return(null);
}
VarInfo InputVarInfo = InputForm.VarInfoResult;
FlowData.AssignVariable(varName, InputVarInfo, out ErrorReport);
if (ErrorReport != "")
{
return(null);
}
MainInterface.Instance.UserLog("Input: " + varName + " = " + InputVarInfo.value, LogType.Normal);
return(null);
}
public virtual bool Reload()
{
String loc = this.Doc.Location;
if (loc != "")
{
FileStream file = File.Open(loc, FileMode.Open);
FlowDocument olddoc = this.View.Doc;
FlowDocument newdoc = null;
try
{
newdoc = FlowDocument.Load(file, loc);
}
catch (Exception ex)
{
MessageBox.Show(this, ex.Message, "Error reading design from a file");
return(false);
}
finally
{
file.Close();
}
if (newdoc != null)
{
IList windows = FlowMap.FindWindows(this.MdiParent, olddoc);
foreach (Object obj in windows)
{
FlowMap w = obj as FlowMap;
if (w != null)
{
w.View.Document = newdoc;
}
}
}
}
return(true);
}
private void btnOpen_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
FlowMap.Open(this);
}
/// return false if the flow is terminated due to error or end-block
private bool ExecuteNextBlock()
{
string ErrorReport = "";
FlowView view = form.GetCurrentGoView() as FlowView;
FlowMap map = form.ActiveMdiChild as FlowMap;
if (view == null)
{
MainInterface.Instance.UserLog("Error: No flow is found", LogType.Error);
MainInterface.Instance.UserLog("Please create a new Flow art or open your old project", LogType.Normal);
ResetFlow();
RaiseError?.Invoke(this, new EventArgs());
return(false);
}
if (map == null)
{
return(false);
}
FlowBlock OldBlock = CurrentBlock;
CurrentBlock = view.GetNextBlock(CurrentBlock, LastBlockResult, out ErrorReport);
// remember to check if this view is the same as the previous view
// reset flow when there is link error
if (CurrentBlock == null)
{
MainInterface.Instance.UserLog(ErrorReport, LogType.Error);
ResetFlow();
RaiseError?.Invoke(this, new EventArgs());
return(false);
}
// unhighlight old block
if (PlayFadingEffect)
{
OldBlock?.FxPlayer.FadeToNormalColor();
}
else
{
OldBlock?.FxPlayer.NormalizeColor();
}
// highlight new block
CurrentBlock?.FxPlayer.DarkenColor();
EnterNextBlock?.Invoke(this, new EventArgs());
// reset flow if there is expression error
LastBlockResult = HandleBlock(CurrentBlock, out ErrorReport);
if (ErrorReport != "")
{
MainInterface.Instance.UserLog(ErrorReport, LogType.Error);
ResetFlow();
RaiseError?.Invoke(this, new EventArgs());
return(false);
}
// reset flow if this is then End-block
if (CurrentBlock.Kind == BlockType.End)
{
ResetFlow();
ReachEndBlock?.Invoke(this, new EventArgs());
return(false);
}
// blank space because it's beautiful :)
MainInterface.Instance.UserLog("", LogType.Normal);
return(true);
}
