public void TestSetTextInTransaction()
{
TextBoxBlock name = new TextBoxBlock();
Root.Add(name);
name.MyTextBox.MinWidth = 30;
name.Text = "A"; // takes effect immediately
Assert(name.Text == "A");
using (Transaction t = Transaction.Create(Root))
{
// takes effect only after
// the transaction is committed (disposed)
name.Text = "B";
Assert(name.Text == "A");
}
// "B", because the transaction was committed
// after exiting the using statement
Assert(name.Text == "B");
name.Delete();
}
public SetCaretPositionAction(
RootBlock root,
TextBoxBlock toFocus,
SetFocusOptions options,
int caretPosition)
: base(toFocus, options)
{
CaretPosition = caretPosition;
Text = toFocus;
}
public static ParameterList ParseParameters(TextBoxBlock parametersText)
{
LanguageService ls = Get(parametersText);
if (ls != null && ls.Parser != null)
{
return(ls.Parser.ParseParameters(parametersText.Text));
}
return(null);
}
public TutorialRootBlock3() : base()
{
HContainerBlock con = new HContainerBlock();
this.Add(con);
TextBoxBlock text = new TextBoxBlock();
con.Add(text);
con.Add("// here the TextBox ends");
text.MyTextBox.MinWidth = 40;
}
public TutorialRootBlock4()
: base()
{
HContainerBlock con = new HContainerBlock();
this.Add(con);
button = new ButtonBlock("Hide the text");
text = new TextBoxBlock();
con.Add(button);
con.Add(text);
button.Pushed += button_Pushed;
}
public NodeBlock()
{
NameBlock = new TextBoxBlock();
Attributes = new AttributeList();
this.HMembers.Add(NameBlock);
this.HMembers.Add(Attributes);
this.VMembers.Add(new EmptyNodeBlock());
this.VMembers.AddAcceptableBlockTypes <NodeBlock>();
this.VMembers.AddAcceptableBlockTypes <EmptyNodeBlock>();
this.Draggable = true;
this.CanMoveUpDown = true;
}
public override void Click(CompletionFunctionality hostItemList)
{
Parent = hostItemList.HostBlock as TextBoxBlock;
Param.CheckNotNull(Parent, "Parent");
int toDel = NumOfCharsToDelete();
if (toDel > 0)
{
Parent.MyTextBox.CaretPosition -= toDel;
Parent.MyTextBox.InsertText(this.Text);
return;
}
Parent.MyTextBox.InsertText(GetSuffixToAdd());
}
public InterfaceAccessorsBlock()
{
Empty = new TextBoxBlock();
Empty.MyTextBox.MinWidth = 1;
Empty.MyTextBox.Box.Margins.SetLeftAndRight(ShapeStyle.DefaultFontSize / 2);
Empty.MyTextBox.Box.SetMouseSensitivityToMargins();
this.MyControl.Focusable = true;
this.MyControl.Stretch = GuiLabs.Canvas.Controls.StretchMode.None;
this.MyControl.Box.Margins.SetLeftAndRight(ShapeStyle.DefaultFontSize);
this.MyControl.Box.SetMouseSensitivityToMargins();
InternalContainer = new HContainerBlock();
this.Add("{");
this.Add(InternalContainer);
this.Add("}");
InternalContainer.Add(Empty);
}
protected override void OnKeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
{
if (e.KeyCode == System.Windows.Forms.Keys.Return)
{
if (!e.Control)
{
this.PrependBlocks(new StatementLine());
e.Handled = true;
}
else
{
if (this.ParentParent is IControlStructure)
{
TextBoxBlock next = this.ParentParent.Next as TextBoxBlock;
if (next != null)
{
next.SetFocus();
}
else
{
this.ParentParent.AppendBlocks(new StatementLine());
}
}
else
{
this.RemoveFocus(MoveFocusDirection.SelectNextInChain);
}
}
}
// Don't need this because can't have any statements
// immediately after break or continue
//if (e.KeyCode == System.Windows.Forms.Keys.Insert
// || (e.KeyCode == System.Windows.Forms.Keys.Return && e.Control))
//{
// this.AppendBlocks(new StatementLine());
// e.Handled = true;
//}
if (!e.Handled)
{
base.OnKeyDown(sender, e);
}
}
protected bool CanCtrlEnter()
{
Block ParentParentNext = ParentParent != null ? ParentParent.Next : null;
TextBoxBlock NextText = ParentParentNext as TextBoxBlock;
bool shouldDeleteCurrent = LastCtrlReturn && this.Text == "" && this.Prev != null;
if (this.Next != null || ParentParent == null)
{
return(false);
}
if ((NextText != null && NextText.Text == "") ||
LastCtrlReturn ||
ParentParent is IControlStructure)
{
return(true);
}
return(false);
}
protected bool CtrlEnter(bool shouldDeleteCurrent)
{
Block ParentParentNext = ParentParent != null ? ParentParent.Next : null;
TextBoxBlock NextText = ParentParentNext as TextBoxBlock;
shouldDeleteCurrent = shouldDeleteCurrent && this.Text == "" && this.Prev != null;
if (this.Next != null || ParentParent == null)
{
return(false);
}
if (NextText != null && NextText.Text == "")
{
using (Redrawer r = new Redrawer(this.Root))
{
NextText.SetFocus();
if (shouldDeleteCurrent)
{
this.Delete();
}
}
return(true);
}
else
{
ContainerBlock containingControlStructure = FindNearestControlStructureParent();
if (shouldDeleteCurrent)
{
this.MoveAfterBlock(ParentParent);
return(true);
}
else if (containingControlStructure != null)
{
containingControlStructure.AppendBlocks(CreateNewTextLine());
return(true);
}
}
return(false);
}
public void JumpOut()
{
ContainerBlock p = this.ParentParent;
if (p != null && p.Parent != Root)
{
TextBoxBlock next = p.Next as TextBoxBlock;
if (next != null && string.IsNullOrEmpty(next.Text))
{
next.SetFocus();
}
else
{
using (Root.Transaction())
{
if (string.IsNullOrEmpty(this.Text) && this.Next == null && this.Prev != null)
{
this.Delete();
}
p.AppendBlocks(new EmptyNodeBlock());
}
}
}
}
private void InitField(TextBoxBlock field)
{
field.MyTextBox.MinWidth = 16;
}
