/// <summary>
/// Returns all the layout entities of the specified node.
/// </summary>
/// <remarks>Note that this method does not work with Run nodes or nodes in the header or footer.</remarks>
public LayoutCollection <LayoutEntity> GetLayoutEntitiesOfNode(Node node)
{
if (!mLayoutCollector.Document.Equals(node.Document))
{
throw new ArgumentException("Node does not belong to the same document which was rendered.");
}
if (node.NodeType == NodeType.Document)
{
return(new LayoutCollection <LayoutEntity>(mChildEntities));
}
List <LayoutEntity> entities = new List <LayoutEntity>();
// Retrieve all entities from the layout document (inversion of LayoutEntityType.None).
foreach (LayoutEntity entity in GetChildEntities(~LayoutEntityType.None, true))
{
if (entity.ParentNode == node)
{
entities.Add(entity);
}
// There is no table entity in rendered output so manually check if rows belong to a table node.
if (entity.Type == LayoutEntityType.Row)
{
RenderedRow row = (RenderedRow)entity;
if (row.Table == node)
{
entities.Add(entity);
}
}
}
return(new LayoutCollection <LayoutEntity>(entities));
}
private LayoutEntity CreateLayoutEntityFromType(LayoutEnumerator it)
{
LayoutEntity childEntity;
switch (it.Type)
{
case LayoutEntityType.Cell:
childEntity = new RenderedCell();
break;
case LayoutEntityType.Column:
childEntity = new RenderedColumn();
break;
case LayoutEntityType.Comment:
childEntity = new RenderedComment();
break;
case LayoutEntityType.Endnote:
childEntity = new RenderedEndnote();
break;
case LayoutEntityType.Footnote:
childEntity = new RenderedFootnote();
break;
case LayoutEntityType.HeaderFooter:
childEntity = new RenderedHeaderFooter();
break;
case LayoutEntityType.Line:
childEntity = new RenderedLine();
break;
case LayoutEntityType.NoteSeparator:
childEntity = new RenderedNoteSeparator();
break;
case LayoutEntityType.Page:
childEntity = new RenderedPage();
break;
case LayoutEntityType.Row:
childEntity = new RenderedRow();
break;
case LayoutEntityType.Span:
childEntity = new RenderedSpan(it.Text);
break;
case LayoutEntityType.TextBox:
childEntity = new RenderedTextBox();
break;
default:
throw new InvalidOperationException("Unknown layout type");
}
childEntity.mKind = it.Kind;
childEntity.mPageIndex = it.PageIndex;
childEntity.mRectangle = it.Rectangle;
childEntity.mType = it.Type;
childEntity.LayoutObject = it.Current;
childEntity.mParent = this;
return(childEntity);
}
