/// <summary>
/// paint the text and fields of the screen content block onto the item canvas.
/// </summary>
/// <param name="ScreenContent"></param>
/// <param name="ItemCanvas"></param>
/// <param name="Window"></param>
public static void PaintScreenContent(this ScreenContent ScreenContent,
ItemCanvas ItemCanvas)
{
// use ContentNum to match ScreenContent with the ItemCanvas.
ItemCanvas.ContentNum = ScreenContent.ContentNum;
// apply the clear unit command to the itemcanvas.
if (ScreenContent.DoClearUnit == true)
{
ItemCanvas.EraseScreen();
ScreenContent.DoClearUnit = false;
}
else
{
// add ContentText items to the ContentDict of the SCB.
ScreenContent.AddAllContentText();
}
// Remove all items on the ItemCanvas that are not in the SCB.
// todo: need to clear the caret position if field removed from the screen
// contains the caret.
var visualItems = ItemCanvas.VisualItems;
foreach (var itemCursor in visualItems.ItemList())
{
var vi = itemCursor.GetVisualItem();
var rowCol = vi.ItemRowCol;
ContentItemBase contentItem = null;
var rc = ScreenContent.FieldDict.TryGetValue(rowCol, out contentItem);
if (rc == false)
{
visualItems.RemoveItem(itemCursor, ItemCanvas);
}
}
// loop for each item within the content array.
foreach (var contentItem in ScreenContent.ContentItems())
{
if (contentItem is ContentText)
{
var contentText = contentItem as ContentText;
var visualItem = ItemCanvas.VisualItemFactory(
contentText.GetShowText(ScreenContent),
contentText.RowCol, contentText.GetAttrByte(ScreenContent),
contentText.GetTailAttrByte(ScreenContent));
var iMore = visualItem as IVisualItemMore;
var node = iMore.InsertIntoVisualItemsList(ItemCanvas.VisualItems);
iMore.AddToCanvas(ItemCanvas);
iMore.SetupUnderline();
}
else if (contentItem is ContentField)
{
var contentField = contentItem as ContentField;
var visualItem =
ItemCanvas.VisualItemFactory(ScreenContent, contentField);
if (visualItem != null)
{
var iMore = visualItem as IVisualItemMore;
var node = iMore.InsertIntoVisualItemsList(ItemCanvas.VisualItems);
iMore.AddToCanvas(ItemCanvas);
iMore.SetupUnderline();
iMore.SetupFieldItem(
ScreenContent, contentField,
ItemCanvas.CanvasDefn.CharBoxDim, ItemCanvas.CanvasDefn.KernDim);
}
}
}
// position the caret.
ItemCanvas.PositionCaret(ScreenContent.CaretRowCol);
ItemCanvas.SetFocus();
}
/// <summary>
/// import the ContentItems of the current ScreenContent. Use the MasterThread
/// property to send a message to the MasterThread asking for a copy of the
/// current screenContent. That sent message waits for a response and receives
/// the screenContent as the reply. With the screenContent, then list the
/// ScreenContent items and import into ScreenDefn.
///
/// Necessary for this to work, the telnetClient which is the parent of the
/// ScreenDefnListControl must bind to the MasterThread property.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void butImport_Click(object sender, RoutedEventArgs e)
{
// send a message to the master thread asking for a copy of the current
// screenContent.
ScreenContent content = null;
{
var msg = new ExchangeMessage(ThreadMessageCode.GetScreenContent);
this.MasterThread.PostInputMessage(msg);
msg.WaitReplyEvent();
content = msg.ReplyMessage as ScreenContent;
}
// create screen section. type body.
var section = new ScreenSectionModel()
{
ScreenLoc = new OneScreenLoc(1, 1),
ItemName = "Body",
ItemType = ShowItemType.Section,
PurposeCode = ScreenPurposeCode.Body
};
this.Model.AddItem(section);
int fieldNum = 0;
int litNum = 0;
foreach (var citem in content.ContentItems( ))
{
if (citem is ContentField)
{
var fld = citem as ContentField;
{
fieldNum += 1;
var xx = fld.IsBypass;
var item = new ScreenFieldModel()
{
ScreenLoc = new OneScreenLoc(fld.RowCol.ToOneBased()),
ItemName = "Field" + fieldNum,
Length = fld.LL_Length,
ItemType = ShowItemType.Field,
Usage = fld.Usage,
DsplyAttr = fld.AttrByte.ToDsplyAttr()
};
section.AddItem(item);
}
}
else if (citem is ContentText)
{
var contentText = citem as ContentText;
{
litNum += 1;
var item = new ScreenLiteralModel()
{
ScreenLoc = new OneScreenLoc(contentText.RowCol.ToOneBased()),
ItemName = "Lit" + litNum,
ListValues = contentText.GetShowText(content).ToListString().ToObservableCollection( ),
Length = contentText.GetShowText(content).Length,
ItemType = ShowItemType.Literal,
DsplyAttr = contentText.GetAttrByte(content).ToDsplyAttr()
};
#if skip
// adjust screenLoc to account for neutral dsply attr.
if (item.DsplyAttr.IsEqual(DsplyAttr.NU))
{
item.ScreenLoc = item.ScreenLoc.Advance(1, new AutoCoder.Telnet.Common.ScreenDm.ScreenDim(24, 80)) as OneScreenLoc;
}
#endif
section.AddItem(item);
}
}
}
}
