/* ==================================================================== */
// constructor
public ScriptCanvas(string scriptName, List <StateModel> stateModelList = null) : base()
{
// fill in the father container
Dock = DockStyle.Fill;
// allow drop operation
AllowDrop = true;
// to avoid flashing when invalidating
DoubleBuffered = true;
// set this script name
mScriptNameAtCanvas = scriptName;
// render the state-models if existed
if (!(stateModelList is null))
{
stateModelList.ForEach(it => {
// build state-view
StateView stateView;
if (it.StateType == StateType.START)
{
stateView = new StartStateView(it.LocOnScript.X, it.LocOnScript.Y, it.ContentText, true);
}
else if (it.StateType == StateType.END)
{
stateView = new EndStateView(it.LocOnScript.X, it.LocOnScript.Y, it.ContentText, true);
}
else
{
stateView = new GeneralStateView(it.LocOnScript.X, it.LocOnScript.Y, it.ContentText, true);
}
stateView.Id = it.Id;
// add link-views
var allPortTypes = Enum.GetValues(typeof(PortType));
foreach (PortType portType in allPortTypes)
{
// add outgoing links
foreach (LinkModel linkModel in it.getCertainPortModel(portType).getLinks(true))
{
mExistedOutgoingLinks.Add(new LinkView(linkModel));
}
// add ingoing links
foreach (LinkModel linkModel in it.getCertainPortModel(portType).getLinks(false))
{
mExistedIngoingLinks.Add(new LinkView(linkModel));
}
}
// add state-view
mExistedStateViewList.Add(stateView);
Controls.Add(stateView);
});
Invalidate();
}
}
// re-set the whole script
public void setDataByScriptModel(ScriptModel scriptModel)
{
if (scriptModel is null)
{
return;
}
// set the script name
mScriptNameAtCanvas = scriptModel.Name;
mExistedStateViewList.Clear();
Controls.Clear();
mExistedIngoingLinks.Clear();
mExistedOutgoingLinks.Clear();
scriptModel.getCopiedStateList().ForEach(it => {
// build state-view
StateView stateView;
if (it.StateType == StateType.START)
{
stateView = new StartStateView(it.LocOnScript.X, it.LocOnScript.Y, it.ContentText, true);
}
else if (it.StateType == StateType.END)
{
stateView = new EndStateView(it.LocOnScript.X, it.LocOnScript.Y, it.ContentText, true);
}
else
{
stateView = new GeneralStateView(it.LocOnScript.X, it.LocOnScript.Y, it.ContentText, true);
}
stateView.Id = it.Id;
// add link-views
var allPortTypes = Enum.GetValues(typeof(PortType));
foreach (PortType portType in allPortTypes)
{
// add outgoing links
foreach (LinkModel linkModel in it.getCertainPortModel(portType).getLinks(true))
{
mExistedOutgoingLinks.Add(new LinkView(linkModel));
}
// add ingoing links
foreach (LinkModel linkModel in it.getCertainPortModel(portType).getLinks(false))
{
mExistedIngoingLinks.Add(new LinkView(linkModel));
}
}
// add state-view
mExistedStateViewList.Add(stateView);
Controls.Add(stateView);
});
Invalidate();
}
// drag-dropped, a new state-view added on current script
protected override void OnDragDrop(DragEventArgs e)
{
//var bmp = (Bitmap) e.Data.GetData(DataFormats.Bitmap);
// get the client point
Point clientPoint = PointToClient(new Point(e.X, e.Y));
// add the state at the location of client point
StateView newStateView = null;
switch (MouseManager.CurrentHoldingType)
{
case StateType.START:
newStateView = new StartStateView(clientPoint.X, clientPoint.Y, "", true);
break;
case StateType.END:
newStateView = new EndStateView(clientPoint.X, clientPoint.Y, "", true);
break;
case StateType.GENERAL:
// prompt the typing form to get the state content from user
string newStateContent = promptTypingFormAndGetTypedText();
// if the result is null, means that user cancels the addition of state
if (!(newStateContent is null))
{
newStateView = new GeneralStateView(clientPoint.X, clientPoint.Y, newStateContent, true);
}
break;
}
if (!(newStateView is null))
{
// resize the state with current scale
newStateView.Size = new Size((int)(newStateView.Size.Width * currentScale),
(int)(newStateView.Size.Height * currentScale));
newStateView.resetPortPositions();
// add the state-view
AddStateView(newStateView, textArgb: Color.Black.ToArgb());
}
// reset both the holding type and dragging to NONE
MouseManager.CurrentHoldingType = StateType.NONE;
// paint on the picture-box
Invalidate();
}
// put the 3 types of states on the left side of GUI
private void buildUpStatesList()
{
int panelW = statesListPanel.Width;
int locX = panelW / 2;
StateView startStateView = new StartStateView(locX, 50, "", false);
statesListPanel.Controls.Add(startStateView);
mStateViewListOnTheShell.Add(startStateView);
StateView endStateView = new EndStateView(locX, 140, "", false);
statesListPanel.Controls.Add(endStateView);
mStateViewListOnTheShell.Add(endStateView);
StateView generalStateView = new GeneralStateView(locX, 240, "", false);
statesListPanel.Controls.Add(generalStateView);
mStateViewListOnTheShell.Add(generalStateView);
}