private void SelectNextControlElement(bool forward)
{
MarkupPointer p;
if (forward)
{
p = EditorContext.Selection.SelectedMarkupRange.End.Clone();
}
else
{
p = EditorContext.Selection.SelectedMarkupRange.Start.Clone();
}
IHTMLElement htmlElement = GetNextElement(p, ElementRange, new IHTMLElementFilter(IsSelectableControlElement), forward);
if (ContentSourceManager.IsSmartContent(htmlElement))
{
SmartContentSelection.SelectIfSmartContentElement(EditorContext, htmlElement);
}
else if (htmlElement is IHTMLControlElement)
{
_editor.SelectControlElement((IHTMLControlElement)htmlElement);
}
if (htmlElement != null)
{
htmlElement.scrollIntoView(!forward);
}
}
protected override bool QueryElementSelected()
{
SmartContentSelection selection = EditorContext.Selection as SmartContentSelection;
if (selection != null)
{
return(selection.HTMLElement.sourceIndex == HTMLElement.sourceIndex);
}
else
{
return(false);
}
}
private void Select()
{
if (_contentState == SmartContentState.Preserve)
{
if (HTMLElement != null && HTMLElement.className == HtmlPreserver.PRESERVE_CLASS)
{
PreserveContentSelection.SelectElement(EditorContext, HTMLElement, _contentState);
}
}
else
{
SmartContentSelection.SelectIfSmartContentElement(EditorContext, HTMLElement, _contentState);
}
}
public static SmartContentSelection SelectElement(IHtmlEditorComponentContext editorComponentContext, IHTMLElement e, SmartContentState contentState)
{
SmartContentSelection selection = (SmartContentSelection)SelectElementCore(editorComponentContext, e, new SmartContentSelection(editorComponentContext, e, contentState));
return(selection);
}
/// <summary>
/// Navigates the editor's caret to the next editable region.
/// </summary>
/// <param name="direction"></param>
private bool MoveCaretToNextRegion(MOVE_DIRECTION direction)
{
IHTMLElement nextRegion;
_ELEMENT_ADJACENCY nextRegionAdjacency;
bool preserveXLocation;
if (direction == MOVE_DIRECTION.UP || direction == MOVE_DIRECTION.LEFT)
{
nextRegion = PreviousEditableRegion;
nextRegionAdjacency = _ELEMENT_ADJACENCY.ELEM_ADJ_BeforeEnd;
preserveXLocation = direction == MOVE_DIRECTION.UP;
}
else if (direction == MOVE_DIRECTION.DOWN || direction == MOVE_DIRECTION.RIGHT)
{
nextRegion = NextEditableRegion;
nextRegionAdjacency = _ELEMENT_ADJACENCY.ELEM_ADJ_AfterBegin;
preserveXLocation = direction == MOVE_DIRECTION.DOWN;
if (nextRegion == null)
{
return(false);
}
MarkupPointer selectRegion = EditorContext.MarkupServices.CreateMarkupPointer(nextRegion, nextRegionAdjacency);
MarkupContext mc = selectRegion.Right(false);
if (mc.Context == _MARKUP_CONTEXT_TYPE.CONTEXT_TYPE_EnterScope && mc.Element is IHTMLElement3 && SmartContentSelection.SelectIfSmartContentElement(EditorContext, mc.Element) != null)
{
return(true);
}
}
else
{
throw new ArgumentException("Unsupported move direction detected: " + direction);
}
IDisplayServicesRaw displayServices = (IDisplayServicesRaw)HTMLElement.document;
IDisplayPointerRaw displayPointer;
displayServices.CreateDisplayPointer(out displayPointer);
IHTMLCaretRaw caret = GetCaret();
caret.MoveDisplayPointerToCaret(displayPointer);
ILineInfo lineInfo;
displayPointer.GetLineInfo(out lineInfo);
if (nextRegion != null)
{
MarkupPointer mp = EditorContext.MarkupServices.CreateMarkupPointer(nextRegion, nextRegionAdjacency);
DisplayServices.TraceMoveToMarkupPointer(displayPointer, mp);
try
{
caret.MoveCaretToPointer(displayPointer, true, _CARET_DIRECTION.CARET_DIRECTION_SAME);
if (preserveXLocation)
{
POINT caretLocation;
caret.GetLocation(out caretLocation, true);
caretLocation.x = lineInfo.x;
uint hitTestResults;
displayPointer.MoveToPoint(caretLocation, _COORD_SYSTEM.COORD_SYSTEM_GLOBAL, nextRegion, 0, out hitTestResults);
caret.MoveCaretToPointer(displayPointer, true, _CARET_DIRECTION.CARET_DIRECTION_SAME);
}
//BEP: using this line causes scrolling (nextRegion as IHTMLElement2).focus();
(nextRegion as IHTMLElement3).setActive();
return(true);
}
catch (Exception e)
{
Debug.Fail("Unexpected exception in MoveCaretToNextRegion: " + e.ToString());
}
caret.MoveCaretToPointer(displayPointer, true, _CARET_DIRECTION.CARET_DIRECTION_SAME);
}
return(false);
}