/// <summary>
/// create visual items from the show items and place those visual items on the
/// canvase.
/// </summary>
/// <param name="ShowItemList"></param>
private void PaintScreen_Actual(List <ShowItemBase> ShowItemList)
{
foreach (IVisualItem iShowItem in ShowItemList)
{
// a literal value. look first for any fields on the screen which the
// literal is applied to.
if (iShowItem is ShowLiteralItem)
{
var findNode = VisualItems.FindFieldItem(iShowItem);
if (findNode != null)
{
// replace textbock segment with the spanner.
var visualItem = findNode.Value as IVisualItem;
if (visualItem is VisualTextBlockSegment)
{
var seg = visualItem as VisualTextBlockSegment;
visualItem = seg.Parent;
}
var vim = visualItem as IVisualItemMore;
// pos within the canvas item at which to place literal text.
int bx = iShowItem.ShowRowCol( ).ColNum - visualItem.ShowRowCol().ColNum;
// apply the literal text.
vim.ApplyText(iShowItem.ShowText, bx);
visualItem.TailAttrByte = iShowItem.TailAttrByte;
continue;
}
}
{
var visualItem = VisualItemFactory(iShowItem);
visualItem.CreateFromItem = (ShowItemBase)iShowItem;
var iMore = visualItem as IVisualItemMore;
var node = iMore.InsertIntoVisualItemsList(this.VisualItems);
// var node = InsertIntoVisualItemsList(visualItem as IVisualItem);
(visualItem as IVisualItemMore).AddToCanvas(this);
if (iShowItem is ShowFieldItem)
{
var fieldItem = iShowItem as ShowFieldItem;
iMore.SetupFieldItem(
fieldItem, this.CanvasDefn.CharBoxDim, this.CanvasDefn.KernDim);
iMore.CreateFromItem = fieldItem;
}
}
}
}
private void PaintScreen_ApplyTextDataOrder(TextDataOrder tdo, IRowCol curRowCol)
{
var showText = tdo.ShowText;
var showRowCol = tdo.ShowRowCol(curRowCol);
var itemEndRowCol = tdo.ItemEndRowCol(showRowCol);
var itemRange = new RowColRange(curRowCol, itemEndRowCol);
IVisualItem ivi = null;
// range if visual items which overlap this tdo.
var overlapItems = VisualItems.GetOverlapItems(itemRange);
if (overlapItems != null)
{
foreach (var cursor in overlapItems)
{
var item = cursor.GetVisualItem();
var itemRowCol = item.ItemRowCol;
var tailAttrByte = tdo.TailAttrByte;
if ((tdo.TailAttrByte != null) &&
(item.AttrByte != null) &&
(tdo.ItemEndRowCol(curRowCol).CompareTo(item.ItemRowCol) == 0))
{
int xx = 4;
}
}
}
else
{
}
if (itemEndRowCol != null)
{
ivi = VisualItems.FindFieldItem(curRowCol, showRowCol, itemEndRowCol);
}
if (ivi != null)
{
// replace textbock segment with the spanner.
if (ivi is VisualTextBlockSegment)
{
var seg = ivi as VisualTextBlockSegment;
ivi = seg.Parent;
}
var vim = ivi as IVisualItemMore;
// pos within the canvas item at which to place literal text.
int bx = showRowCol.ColNum - ivi.ShowRowCol().ColNum;
// apply the literal text.
vim.ApplyText(showText, bx);
if (tdo.TailAttrByte != null)
{
ivi.TailAttrByte = tdo.TailAttrByte;
}
}
else if (itemEndRowCol != null)
{
var visualItem = VisualItemFactory(
tdo.ShowText, (ZeroRowCol)curRowCol, tdo.AttrByte,
tdo.TailAttrByte);
visualItem.FromOrder = tdo;
var iMore = visualItem as IVisualItemMore;
var node = iMore.InsertIntoVisualItemsList(this.VisualItems);
iMore.AddToCanvas(this);
}
}