private void SelectionSwapExec(Action <SelectionList, SelectionList> execute)
{
// Swap selections around - we rebuild the list each time to
// capture the changes that the command has caused. We cache
// the old list for use next time to avoid additional memory
// allocation and GC loading.
// Clear display so that we do not redraw annotations for every change
this.selectionDisplay.SetSelections(null);
var tempSelections = this.selections;
this.selections = this.spareSelectionsList;
this.selections.Clear();
this.spareSelectionsList = tempSelections;
// Add the current selection into the list so that we apply
// the operation to the entire set of points.
tempSelections.InsertExpectEnd(Utils.GetCurrentSelections(this.textView));
// Do whatever we are doing
execute(tempSelections, this.selections);
// Remove the last selection from the list - this will be the Visual Studio
// managed selection - we want to add then remove incase it gets merged with
// another selection as a result of the edit - we also need to set this selection
// as the VS selection
this.selections.RemoveLast().SetSelection(this.textView);
// Update selections display
this.selectionDisplay.SetSelections(this.selections);
}
protected override void Search(
MultiCaretCommandFilter commandFilter,
SelectionList targetSelections,
SingleSelection firstText,
SnapshotSpan lastText,
FindData findData)
{
targetSelections.InsertExpectEnd(
commandFilter.textSearch.FindAll(findData).ToSingleSelections(false));
}
public void SetSelections(SelectionList selections)
{
this.currentSelections = selections;
if (this.currentSelections == null || this.currentSelections.Count == 0)
{
this.ClearLayout();
}
else
{
this.UpdateLayout();
}
}
protected override void Search(
MultiCaretCommandFilter commandFilter,
SelectionList targetSelections,
SingleSelection firstText,
SnapshotSpan lastText,
FindData findData)
{
SearchOne(
commandFilter,
firstText.GetSelectionSpan().Start.Position,
o => o.Start.Position,
targetSelections.InsertExpectStart,
findData);
}
protected abstract void Search(
MultiCaretCommandFilter commandFilter,
SelectionList targetSelections,
SingleSelection firstText,
SnapshotSpan lastText,
FindData findData);