public void LoadGroup(MathExpGroup mathGroup)
{
bool b = _disableUndo;
_disableUndo = true;
ClearComponents();
//
IDesignServiceProvider sp = MathNode.GetGlobalServiceProvider(mathGroup);
if (sp != null)
{
MathNode.RegisterGetGlobalServiceProvider(root, sp);
}
root.LoadGroup(mathGroup);
designview_Resize(null, null);
//
picIcomImage.Size = mathGroup.IconImage.IconSize;
picIcomImage.Image = mathGroup.CreateIcon(root.CreateGraphics());
enablePaste();
root.Changed = false;
bLoading = false;
root.Refresh();
_disableUndo = b;
result = mathGroup;
}
private void loadIconImage()
{
MathExpGroup mathExpGroup = root.Export();
picIcomImage.Size = mathExpGroup.IconImage.IconSize;
picIcomImage.Image = mathExpGroup.CreateIcon(root.CreateGraphics());
}
private void btTest_Click(object sender, EventArgs e)
{
btTest.Enabled = false;
try
{
_testData = null;
//generate the result
result = root.Export();
//
//check if compilation is needed
IObjectTypeUnitTester uc = (IObjectTypeUnitTester)MathNode.GetService(typeof(IObjectTypeUnitTester));
if (uc != null)
{
_testData = uc.UseMemberTest(this);
}
if (_testData == null)
{
CompileResult compiled = result.CreateMethodCompilerUnit("TestMathExpression", "Test", "TestMathExpGroup");
//
thTest = new System.Threading.Thread(new System.Threading.ParameterizedThreadStart(test));
thTest.SetApartmentState(System.Threading.ApartmentState.STA);
_testData = new TestData(compiled);
thTest.Start(_testData);
}
//
timer1.Enabled = true;
}
catch (Exception err)
{
MathNode.Log(this.FindForm(), err);
}
}
public void OnOK()
{
result = root.Export();
root.Changed = false;
Form f = FindForm();
f.DialogResult = DialogResult.OK;
}
private void copyToClipboard()
{
if (selectionService.PrimarySelection != null)
{
MathExpViewer mv = selectionService.PrimarySelection as MathExpViewer;
if (mv != null)
{
MathExpGroup mg = new MathExpGroup();
MathExpItem mi = mv.ExportMathItem(mg);
XmlDocument doc = new XmlDocument();
XmlNode node = doc.CreateElement("MathExpression");
doc.AppendChild(node);
mi.SaveToXmlNode(_writer, node);
Clipboard.SetData("MathItem", doc.OuterXml);
enablePaste();
}
}
}
public void PasteFromClipboard()
{
if (Clipboard.ContainsData("MathItem"))
{
object data = Clipboard.GetData("MathItem");
if (data != null)
{
string s = data.ToString();
XmlDocument doc = new XmlDocument();
doc.LoadXml(s);
if (doc.DocumentElement != null)
{
try
{
CreateUndoTransaction("PasteFromClipboard");
MathExpGroup mg = new MathExpGroup();
MathExpItem mi = new MathExpItem(mg);
mi.ReadFromXmlNode(_reader, doc.DocumentElement);
mi.Name = CreateName(XmlSerialization.XML_Math);
mi.Location = new Point(mi.Location.X + 5, mi.Location.Y + 5);
//re-arrange the ports
mi.ReCreateDefaultPorts();
this.LoadMathItem(mi);
//create controls, same as DiagramViewer.LoadGroup
root.Controls.AddRange(mi.GetPortControls());
mi.CreateLinkLines();
CommitUndoTransaction("PasteFromClipboard");
}
catch (Exception err)
{
MessageBox.Show(err.Message);
RollbackUndoTransaction("PasteFromClipboard");
}
}
}
}
}
public void Apply(MathExpGroup item)
{
bLoading = true;
this.LoadGroup(item);
bLoading = false;
}
public MathExpGroupUndo(DiagramDesignerHolder holder, MathExpGroup g)
{
_holder = holder;
_group = g;
}