private void repositoryItemSearchControl1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Return)
{
string text = (sender as TextEdit).Text;
FlowView view = this.GetCurrentGraphView();
if (view == null)
{
return;
}
// if the search keyword has change, then reset the search enumerator
// otherwise, keep searching for the next result
if (text != OldSearchKeyWord)
{
view.BlockSearcher.SearchReset = true;
}
OldSearchKeyWord = text;
BlockSearchResult?.FxPlayer.FadeToNormalColor();
BlockSearchResult = view.BlockSearcher.SearchNextBlock(text);
if (BlockSearchResult == null)
{
return;
}
// highlight search result
BlockSearchResult?.FxPlayer?.DarkenColor();
view.ScrollRectangleToVisible(BlockSearchResult);
}
}
private void btnZoomNormal_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
FlowView view = GetCurrentGraphView();
if (view != null)
{
view.ZoomNormal();
}
}
private void btnComment_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
FlowView view = GetCurrentGraphView();
bool ok = (view != null && !view.Doc.IsReadOnly);
if (ok == true)
{
view.Doc.InsertComment();
}
}
private void btnAlignVer_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
FlowView view = GetCurrentGraphView();
bool ok = (view != null && !view.Doc.IsReadOnly && (view.Selection.Count >= 2));
if (ok)
{
view.AlignVerticalCenters();
}
}
private void btnLinkAmongSelection_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
FlowView view = GetCurrentGraphView();
bool ok = (view != null && !view.Doc.IsReadOnly && view.Selection.Count == 2); // create links from only two blocks
if (ok)
{
view.CreateRelationshipsAmongSelection();
}
}
private void btnDrawLink_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
FlowView view = GetCurrentGraphView();
bool ok = (view != null && !view.Doc.IsReadOnly);
if (ok)
{
view.StartDrawingRelationship();
}
}
private void btnPrintBlock_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
FlowView view = GetCurrentGraphView();
bool ok = (view != null && !view.Doc.IsReadOnly);
if (ok == true)
{
view.Doc.InsertNode(BlockType.Output);
}
}
/// <summary>
/// When the mouse passes over a block, display all of its ports.
/// </summary>
/// <param name="evt"></param>
/// <param name="view"></param>
/// <returns></returns>
/// <remarks>
/// All ports on all blocks are hidden when the mouse hovers over the background.
/// </remarks>
public override bool OnMouseOver(GoInputEventArgs evt, GoView view)
{
FlowView v = view as FlowView;
if (v != null)
{
foreach (GoPort p in this.Ports)
{
p.SkipsUndoManager = true;
p.Style = GoPortStyle.Ellipse;
p.SkipsUndoManager = false;
}
}
return(false);
}
public override void DoMouseMove()
{
if (myLink != null && myLink.ToPort != null)
{
GoPort p = myLink.ToPort.GoObject as GoPort;
if (p != null)
{
p.Position = this.LastInput.DocPoint;
FlowBlock gn = this.View.PickObject(true, false, this.LastInput.DocPoint, true) as FlowBlock;
if (gn != null && gn != this.Predecessor && !FlowView.IsLinked(this.Predecessor, gn))
{
GoPort nearest = FindNearestPort(this.LastInput.DocPoint, gn);
if (nearest != null)
{
p.Position = nearest.Position;
p.ToSpot = nearest.ToSpot;
}
}
}
}
}
public override void DoMouseDown()
{
if (this.Predecessor == null)
{
FlowBlock gn = this.View.PickObject(true, false, this.LastInput.DocPoint, true) as FlowBlock;
if (gn == null)
{
return;
}
if (!gn.IsPredecessor)
{
return;
}
this.Predecessor = gn;
MainBase.App.SetStatusMessage("From block " + this.Predecessor.Text);
MakeTemporaryLink();
}
else
{
FlowBlock gn = this.View.PickObject(true, false, this.LastInput.DocPoint, true) as FlowBlock;
if (gn != null && gn != this.Predecessor && !FlowView.IsLinked(this.Predecessor, gn))
{
// delete the temporary link
this.View.Layers.Default.Remove(myLink);
myLink = null;
// create the link in the design
GoPort nearest = FindNearestPort(this.LastInput.DocPoint, gn);
IGoLink link = this.View.CreateLink(this.Predecessor.BottomPort, nearest);
if (link != null)
{
this.TransactionResult = "New link";
this.View.RaiseLinkCreated(link.GoObject);
this.View.Selection.Select(link.GoObject);
}
StopTool();
}
}
}
/// 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);
}
public ViewBlockSearcher(FlowView view)
{
this.ViewToSearch = view;
}
