/// <summary>
/// Insert statement with a combobox into current document within richtextbox at current caret position.
/// </summary>
/// <param name="precedeStatement"></param>
public void InsertStatementWithComboBox(Statement precedeStatement)
{
//get position where element should be added
TextPointer insertionPosition = CaretPosition.GetInsertionPosition(LogicalDirection.Forward);
ComboBoxStatement statementBox = new ComboBoxStatement(precedeStatement);
//attach event
statementBox.ComboBoxDropDownOpened += OnComboBoxStatementDropDownOpened;
statementBox.ComboBoxDropDownClosed += OnComboBoxStatementDropDownClosed;
InlineUIContainer myInlineUIContainer = new InlineUIContainer(statementBox, insertionPosition);
//move caret position
TextPointer newCaretPosition = insertionPosition.GetNextInsertionPosition(LogicalDirection.Forward);
if (newCaretPosition != null)
{
CaretPosition = newCaretPosition;
}
}
/// <summary>
/// Searches for all chidren comboboxes and deattaches event handlers from them.
/// </summary>
private void DettachEventHandlersFromAllComboBoxes(FlowDocument document)
{
System.Diagnostics.Debug.WriteLine("Detaching eventhandlers from combobox statements");
for (TextPointer position = document.ContentStart;
position != null && position.CompareTo(document.ContentEnd) <= 0;
position = position.GetNextContextPosition(LogicalDirection.Forward))
{
if (position.GetPointerContext(LogicalDirection.Forward) == TextPointerContext.ElementEnd)
{
// process only UiElements. all other elements are ignored
InlineUIContainer uiContainer;
if ((uiContainer = position.Parent as InlineUIContainer) != null)
{
ComboBoxStatement statementBox = uiContainer.Child as ComboBoxStatement;
statementBox.ComboBoxDropDownOpened -= OnComboBoxStatementDropDownOpened;
statementBox.ComboBoxDropDownClosed -= OnComboBoxStatementDropDownClosed;
}
}
}
}
/// <summary>
/// Appends given line to the given paragraph
/// </summary>
/// <param name="currentParagraph"></param>
/// <param name="line"></param>
public void AppendTextToParagraph(Paragraph currentParagraph, string line)
{
foreach (string token in Regex.Split(line, regexStatementsPattern))
{
if (token.StartsWith("Load") || token.StartsWith("Select"))
{
//match the selected item
Match m = Regex.Match(token, @"""(.*)""");
string selectedItem = m.Groups[1].Value;
ComboBoxStatement statementBox;
if (token.StartsWith("Load"))
{
statementBox = new ComboBoxStatement(Statement.Load, selectedItem);
}
else
{
statementBox = new ComboBoxStatement(Statement.Select, selectedItem);
}
InlineUIContainer myInlineUIContainer = new InlineUIContainer(statementBox);
currentParagraph.Inlines.Add(myInlineUIContainer);
}
else
{
currentParagraph.Inlines.Add(new Run(token));
}
}
}
/// <summary>
/// Insert statement with a combobox into current document within richtextbox at current caret position.
/// </summary>
/// <param name="precedeStatement"></param>
public void InsertStatementWithComboBox(Statement precedeStatement)
{
//get position where element should be added
TextPointer insertionPosition = CaretPosition.GetInsertionPosition(LogicalDirection.Forward);
ComboBoxStatement statementBox = new ComboBoxStatement(precedeStatement);
//attach event
statementBox.ComboBoxDropDownOpened += OnComboBoxStatementDropDownOpened;
statementBox.ComboBoxDropDownClosed += OnComboBoxStatementDropDownClosed;
InlineUIContainer myInlineUIContainer = new InlineUIContainer(statementBox, insertionPosition);
//move caret position
TextPointer newCaretPosition = insertionPosition.GetNextInsertionPosition(LogicalDirection.Forward);
if (newCaretPosition != null)
CaretPosition = newCaretPosition;
}
