/// <summary>
/// Occurs when the button is clicked.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">A <see cref="RoutedEventArgs"/> that contains the event data.</param>
private void OnCollapseButtonClick(object sender, RoutedEventArgs e)
{
if (editor.ActiveView.Selection.IsZeroLength)
{
MessageBox.Show("Please select at least one character to collapse.", "No Selection", MessageBoxButton.OK, MessageBoxImage.Exclamation);
return;
}
// Get the tagger that was created by the language and has been persisted in the document's properties
// while the language is active on the document
CollapsedRegionTagger tagger = null;
if (editor.Document.Properties.TryGetValue(typeof(CollapsedRegionTagger), out tagger))
{
// Create a version range
ITextVersionRange versionRange = editor.ActiveView.Selection.SnapshotRange.ToVersionRange(TextRangeTrackingModes.DeleteWhenZeroLength);
// Add the tag to the tagger
tagger.Add(new TagVersionRange <ICollapsedRegionTag>(versionRange, new CollapsedRegionTag()));
// Collapse the selection
editor.ActiveView.Selection.Collapse();
}
// Focus the editor
editor.Focus();
}
/// <summary>
/// Occurs when the button is clicked.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">A <see cref="RoutedEventArgs"/> that contains the event data.</param>
private void OnAddNoteButtonClick(object sender, RoutedEventArgs e)
{
// Get the tagger that was created by the language and has been persisted in the document's properties
// while the language is active on the document
IntraTextNoteTagger tagger = null;
if (editor.Document.Properties.TryGetValue(typeof(IntraTextNoteTagger), out tagger))
{
// Create a version range
ITextVersionRange versionRange = editor.ActiveView.Selection.SnapshotRange.ToVersionRange(TextRangeTrackingModes.ExpandFirstEdge | TextRangeTrackingModes.DeleteWhenZeroLength);
// Create a tag that will be used to reserve space between text characters...
// Since the tags in this sample are persisted in a collection while active,
// we can use the tag itself as the key... the key is used to retrieve
// the bounds of the spacer later on so adornments can be rendered in it, thus is must be unique
IntraTextNoteTag tag = new IntraTextNoteTag();
tag.Key = tag;
tag.Size = new Size(30, 18);
tag.Baseline = 14;
tag.Author = "Actipro Customer";
tag.Created = DateTime.Now;
tag.Message = noteText.Text.Trim();
tag.Status = ReviewStatus.Pending;
// Add the tag to the tagger
tagger.Add(new TagVersionRange <IIntraTextSpacerTag>(versionRange, tag));
}
// Focus the editor
editor.Focus();
}
/// <summary>
/// Occurs when the button is clicked.
/// </summary>
/// <param name="sender">The sender of the event.</param>
/// <param name="e">A <see cref="RoutedEventArgs"/> that contains the event data.</param>
private void OnCollapseButtonClick(object sender, RoutedEventArgs e)
{
if (editor.ActiveView.Selection.IsZeroLength)
{
MessageBox.Show("Please select at least one character to collapse.", "No Selection", MessageBoxButton.OK, MessageBoxImage.Exclamation);
return;
}
// Get the tagger that was created by the language and has been persisted in the document's properties
// while the language is active on the document
CollapsedRegionTagger tagger = null;
if (editor.Document.Properties.TryGetValue(typeof(CollapsedRegionTagger), out tagger))
{
// Create a version range
ITextVersionRange versionRange = editor.ActiveView.Selection.SnapshotRange.ToVersionRange(TextRangeTrackingModes.DeleteWhenZeroLength);
// Create a formatted text
FormattedText formattedText = new FormattedText("...", CultureInfo.CurrentCulture, FlowDirection.LeftToRight,
new Typeface(editor.FontFamily, editor.FontStyle, editor.FontWeight, editor.FontStretch),
editor.FontSize, Brushes.Gray, VisualTreeHelper.GetDpi(editor).PixelsPerDip);
// Create a tag that will be used to both collapse text and drive an intra-text placeholder...
// Since the tags in this sample are persisted in a collection while active,
// we can use the tag itself as the key... the key is used to retrieve
// the bounds of the spacer later on so adornments can be rendered in it, thus is must be unique
CollapsedRegionTag tag = new CollapsedRegionTag();
tag.Key = tag;
tag.Text = formattedText.Text;
tag.Baseline = formattedText.Baseline;
tag.Size = new Size(formattedText.WidthIncludingTrailingWhitespace, formattedText.Height);
// Add the tag to the tagger
tagger.Add(new TagVersionRange <ICollapsedRegionTag>(versionRange, tag));
}
// Focus the editor
editor.Focus();
}
