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// PUBLIC PROCEDURES
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/// <summary>
/// Sets the current statement indicator, by finding the next breakpoint after the specified snapshot offset.
/// </summary>
/// <param name="document">The editor document.</param>
/// <param name="startSnapshotOffset">The starting snapshot offset to examine.</param>
/// <returns>The current statement snapshot offset.</returns>
public static TextSnapshotOffset SetCurrentStatement(IEditorDocument document, TextSnapshotOffset startSnapshotOffset)
{
if (!startSnapshotOffset.IsDeleted)
{
// Create search options (only allow enabled breakpoints)
var options = new TagSearchOptions <BreakpointIndicatorTag>();
options.Filter = (tr => tr.Tag.IsEnabled);
// Find the next breakpoint
var tagRange = document.IndicatorManager.Breakpoints.FindNext(startSnapshotOffset, options);
if (tagRange != null)
{
// Get the snapshot range of the breakpoint
var snapshotRange = tagRange.VersionRange.Translate(startSnapshotOffset.Snapshot);
var currentStatementSnapshotOffset = new TextSnapshotOffset(snapshotRange.Snapshot, snapshotRange.EndOffset);
// Set the current statement indicator range
document.IndicatorManager.CurrentStatement.SetInstance(snapshotRange);
return(currentStatementSnapshotOffset);
}
}
// Remove any current statement indicator
document.IndicatorManager.CurrentStatement.Clear();
return(TextSnapshotOffset.Deleted);
}
/// <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 OnGoToNextIndicatorButtonClick(object sender, RoutedEventArgs e)
{
// Create search options
var options = new TagSearchOptions <CustomIndicatorTag>();
options.CanWrap = true;
options.SearchUp = false;
// Find the next indicator (use a generic method provided on the indicator manager for custom indicators)
var tagRange = editor.Document.IndicatorManager.FindNext <CustomIndicatorTagger, CustomIndicatorTag>(editor.ActiveView.Selection.EndSnapshotOffset, options);
if (tagRange != null)
{
// Move the caret
editor.ActiveView.Selection.CaretOffset = tagRange.VersionRange.Translate(editor.ActiveView.CurrentSnapshot).StartOffset;
}
// 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 OnGoToPreviousIndicatorButtonClick(object sender, RoutedEventArgs e)
{
// Create search options (only find enabled bookmarks)
var options = new TagSearchOptions <BookmarkIndicatorTag>();
options.CanWrap = true;
options.SearchUp = true;
options.Filter = (tr => tr.Tag.IsEnabled);
// Find the previous indicator
var tagRange = editor.Document.IndicatorManager.Bookmarks.FindNext(editor.ActiveView.Selection.EndSnapshotOffset.Line, options);
if (tagRange != null)
{
// Move the caret
editor.ActiveView.Selection.CaretOffset = tagRange.VersionRange.Translate(editor.ActiveView.CurrentSnapshot).StartOffset;
}
// Focus the editor
editor.Focus();
}
