protected override void OnBeforeQueryStatus(object sender, EventArgs e)
{
base.OnBeforeQueryStatus(sender, e);
ITextView view = TextEditor.GetCurrentView();
if (view == null)
{
return;
}
ITextCaret caret = view.Caret;
if (caret == null)
{
return;
}
var point = TextEditor.MapCaretToPrimaryBuffer(view);
//SnapshotPoint? point = caret.Position.BufferPosition;
if (point != null)
{
IUserOutlining outlining =
OutliningManager.Get(point.Value.Snapshot.TextBuffer);
Command.Enabled = outlining.IsInOutliningRegion(point.Value);
}
}
protected override void OnInvoke(object sender, EventArgs e)
{
base.OnInvoke(sender, e);
ITextView view = TextEditor.GetCurrentView();
if (view == null)
{
return;
}
ITextCaret caret = view.Caret;
if (caret == null)
{
return;
}
var point = TextEditor.MapCaretToPrimaryBuffer(view);
//SnapshotPoint? point = caret.Position.BufferPosition;
if (point != null)
{
IUserOutlining outlining =
OutliningManager.Get(point.Value.Snapshot.TextBuffer);
outlining.RemoveAt(point.Value);
}
}
private IUserOutlining GetOutlining(out ITextBuffer buffer)
{
buffer = null;
ITextView view = TextEditor.GetCurrentView();
if (view != null)
{
buffer = TextEditor.GetPrimaryBuffer(view);
//buffer = view.TextBuffer;
return(OutliningManager.Get(buffer));
}
return(null);
}
private void AddOutlining(ITextBuffer buffer, SnapshotSpan span)
{
var outlines = OutliningManager.Get(buffer);
outlines.Add(span);
}
/// <summary>
/// Walk through all the regions, calculate their levels and collapse all regions where n = level +1.
/// </summary>
private void Collapse(int level)
{
var tv = TextViewRegistry.GetActiveTextView(this.textManager);
if (tv == null)
{
return;
}
var componentModel = this.ServiceProvider.GetService(typeof(SComponentModel)) as IComponentModel;
if (componentModel != null)
{
var outliningManagerService = componentModel.GetService <IOutliningManagerService>();
if (outliningManagerService != null)
{
OutliningManager = outliningManagerService.GetOutliningManager(tv);
}
}
if (OutliningManager != null)
{
try
{
var length = tv.TextSnapshot.Length;
var textViewSpan = new SnapshotSpan(tv.TextSnapshot, 0, length);
var regions = OutliningManager.GetAllRegions(textViewSpan);
Dictionary <ICollapsible, int> regionCount = new Dictionary <ICollapsible, int>();
foreach (var region in regions)
{
var extent = region.Extent;
var span = extent.GetSpan(tv.TextSnapshot);
foreach (var compareTo in regions)
{
if (compareTo.Equals(region))
{
continue;
}
if (!regionCount.ContainsKey(region))
{
regionCount[region] = 1;
}
var compareToSpan = compareTo.Extent.GetSpan(tv.TextSnapshot);
var regionSpan = region.Extent.GetSpan(tv.TextSnapshot);
if (compareToSpan.Contains(regionSpan))
{
regionCount[region] = regionCount[region] + 1;
}
}
}
OutliningManager.ExpandAll(textViewSpan, (y) => (true));
foreach (var pair in regionCount)
{
if (pair.Value == level)
{
OutliningManager.TryCollapse(pair.Key);
}
}
}
catch (ObjectDisposedException)
{
// TODO Investigate, happened once while testing some early version.
}
}
}
