private static void OnFind(object sender, ExecutedRoutedEventArgs e)
{
RichEditorControl control = (RichEditorControl)sender;
string findText = (string)control.FindComboBox.Text;
TextPointer navigator = control.RichTextBox.Selection.IsEmpty ?
control.RichTextBox.Document.ContentStart :
control.RichTextBox.Selection.End.GetNextInsertionPosition(LogicalDirection.Forward);
while (navigator != null && navigator.CompareTo(control.RichTextBox.Document.ContentEnd) < 0)
{
TextRange wordRange = WordBreaker.GetWordRange(navigator);
if (wordRange == null)
{
break;
}
string wordText = wordRange.Text;
if (wordText == findText)
{
control.RichTextBox.Selection.Select(wordRange.Start, wordRange.End);
return;
}
navigator = wordRange.End.GetNextInsertionPosition(LogicalDirection.Forward);
}
}
private static void OnApplyNormalStyle(object sender, ExecutedRoutedEventArgs e)
{
RichEditorControl control = (RichEditorControl)sender;
Paragraph paragraph = control.RichTextBox.Selection.Start.Paragraph;
paragraph.FontFamily = new FontFamily("Verdana");
paragraph.FontSize = 11;
}
private static void OnApplyHeading3Style(object sender, ExecutedRoutedEventArgs e)
{
RichEditorControl control = (RichEditorControl)sender;
Paragraph paragraph = control.RichTextBox.Selection.Start.Paragraph;
paragraph.FontFamily = new FontFamily("Arial");
paragraph.FontSize = 13;
paragraph.FontWeight = FontWeights.Bold;
}
private static void OnSelectionParagraphIsRightToLeftPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RichEditorControl richEditorControl = (RichEditorControl)d;
if (richEditorControl._updateSelectionPropertiesPending)
{
return;
}
bool value = (bool)e.NewValue;
richEditorControl.RichTextBox.Selection.ApplyPropertyValue(Paragraph.FlowDirectionProperty, (value == true) ? FlowDirection.RightToLeft : FlowDirection.LeftToRight);
richEditorControl.OnSelectionChanged(null, null);
}
private static void OnSelectionIsNumberingPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RichEditorControl richEditorControl = (RichEditorControl)d;
if (richEditorControl._updateSelectionPropertiesPending)
{
return;
}
bool value = (bool)e.NewValue;
EditingCommands.ToggleNumbering.Execute(null, richEditorControl.RichTextBox);
richEditorControl.OnSelectionChanged(null, null);
}
private static void OnSelectionIsAlignJustifyPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RichEditorControl richEditorControl = (RichEditorControl)d;
if (richEditorControl._updateSelectionPropertiesPending)
{
return;
}
bool value = (bool)e.NewValue;
richEditorControl.RichTextBox.Selection.ApplyPropertyValue(Paragraph.TextAlignmentProperty, (value == true) ? TextAlignment.Justify : TextAlignment.Left);
richEditorControl.OnSelectionChanged(null, null);
}
private static void OnSelectionIsUnderlinePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RichEditorControl richEditorControl = (RichEditorControl)d;
if (richEditorControl._updateSelectionPropertiesPending)
{
return;
}
bool value = (bool)e.NewValue;
richEditorControl.RichTextBox.Selection.ApplyPropertyValue(Inline.TextDecorationsProperty, (value == true) ? System.Windows.TextDecorations.Underline : null);
richEditorControl.OnSelectionChanged(null, null);
}
private static void OnSelectionIsItalicPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RichEditorControl richEditorControl = (RichEditorControl)d;
if (richEditorControl._updateSelectionPropertiesPending)
{
return;
}
bool value = (bool)e.NewValue;
richEditorControl.RichTextBox.Selection.ApplyPropertyValue(TextElement.FontStyleProperty, (value == true) ? FontStyles.Italic : FontStyles.Normal);
richEditorControl.OnSelectionChanged(null, null);
}
private static void OnIsSpellCheckEnabledPropertyChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
RichEditorControl richEditorControl = (RichEditorControl)o;
if (richEditorControl._updateSelectionPropertiesPending)
{
return;
}
bool value = (bool)e.NewValue;
if (value != null)
{
richEditorControl.RichTextBox.SpellCheck.IsEnabled = value;
}
}
private static void OnSelectionFontSizePropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RichEditorControl richEditorControl = (RichEditorControl)d;
if (richEditorControl._updateSelectionPropertiesPending)
{
return;
}
string value = (string)e.NewValue;
if (value != null)
{
richEditorControl.RichTextBox.Selection.ApplyPropertyValue(TextElement.FontSizeProperty, value);
richEditorControl.OnSelectionChanged(null, null);
}
}
