public static Grid SrcmbrHoverHandler(DataTable ContentTable, ScreenItemInstance Instance)
{
string srcmbr, srcfName, srcfLib;
ObservableCollection <string> Lines = new ObservableCollection <string>();
{
var rv = GetSrcmbrName(ContentTable, Instance);
srcfName = rv.Item1;
srcfLib = rv.Item2;
srcmbr = rv.Item3;
}
SrcmbrModel model = new SrcmbrModel()
{
Lines = Lines,
SrcfName = srcfName,
Srcmbr = srcmbr
};
var lines = GetSrcmbrLines(srcfName, srcfLib, srcmbr);
foreach (var line in lines)
{
Lines.Add(line);
}
var grid = BuildControls(model);
return(grid);
}
private static Tuple <string, string, string> GetSrcmbrName(
DataTable contentTable, ScreenItemInstance instance)
{
// get the row of the table.
int rownum = instance.RepeatNum;
if (rownum == 0)
{
rownum = 1;
}
var row = contentTable.Rows[rownum - 1];
var srcmbr = row["MbrName"] as string;
var srcfName = row["SrcfName"] as string;
var srcfLib = row["SrcfLib"] as string;
return(new Tuple <string, string, string>(srcfName, srcfLib, srcmbr));
}
/// <summary>
/// fill and make visible the hover window.
/// Called by the DrawHoverBox method of ItemCanvas.
/// </summary>
/// <param name="Position"></param>
/// <param name="CanvasRowCol"></param>
/// <param name="MatchScreenDefn"></param>
/// <param name="Content"></param>
public void DrawHoverBox(
Point Position, IScreenLoc CanvasRowCol, IScreenDefn MatchScreenDefn,
ScreenContent Content)
{
// first remove any existing popup hover box.
RemoveHoverBox();
// hovering on a screen with a screen defn. Find the item on the screen
// which is being hovered over.
string itemName = "";
string itemValue = "";
int itemRowNum = 0;
ScreenItemInstance hoverItem = null;
if ((MatchScreenDefn != null) && (CanvasRowCol != null))
{
var foundItem = MatchScreenDefn.FindItem(CanvasRowCol, Content);
if (foundItem != null)
{
hoverItem = foundItem;
itemName = foundItem.GetItemName().EmptyIfNull();
itemValue = foundItem.GetValue(Content);
itemRowNum = foundItem.RepeatNum;
}
}
// capture the contents of the screen to a DataTable.
EnhancedDataTable itemTable = null;
Grid srcmbrGrid = null;
object hoverData = null;
string hoverXaml = null;
string hoverCode = null;
if ((MatchScreenDefn != null) && (hoverItem != null))
{
itemTable = MatchScreenDefn.Capture(Content, hoverItem);
{
hoverXaml = FindHoverXaml(hoverItem.Item);
hoverCode = FindHoverCode(hoverItem.Item);
}
if (hoverCode.IsNullOrEmpty( ) == false)
{
hoverData = CompileAndRunHoverCode(hoverCode, itemTable);
}
if ((MatchScreenDefn.ScreenName == "wrkmbrpdm") && (hoverData == null))
{
// BgnTemp
{
if (itemTable.Rows.Count == 0)
{
var rep = Content.ToColumnReport("Content report");
rep.DebugPrint();
itemTable = MatchScreenDefn.Capture(Content, hoverItem);
}
}
// EndTemp
var srcmbr = itemTable.SelectedRow["MbrName"].ToString();
var srcfName = itemTable.SelectedRow["SrcfName"].ToString();
var srcfLib = itemTable.SelectedRow["SrcfLib"].ToString();
var sourceLines = SrcmbrScripts.GetSrcmbrLines(srcfName, srcfLib, srcmbr);
hoverData = new { srcmbr, srcfName, srcfLib, sourceLines };
}
}
Grid grid = null;
if (hoverData != null)
{
if (hoverXaml.IsNullOrEmpty( ) == false)
{
var sr = new StringReader(hoverXaml);
var xr = XmlReader.Create(sr);
var uiElem = XamlReader.Load(xr);
grid = uiElem as Grid;
grid.DataContext = hoverData;
}
else
{
var uiElem = hoverData.ToUIElement();
grid = uiElem as Grid;
}
}
else
{
// create the controls that make up the hover control.
ListBox lb = null;
System.Windows.Controls.Canvas canvas = null;
if (srcmbrGrid != null)
{
var rv = BuildSrcmbrHoverGrid(srcmbrGrid);
grid = rv.Item1;
}
else
{
var rv = BuildFoundation();
grid = rv.Item1;
lb = rv.Item2;
canvas = rv.Item3;
lb.Items.Add("field name:" + itemName);
lb.Items.Add("RowCol:" + CanvasRowCol.ToText());
lb.Items.Add("Value:" + itemValue);
lb.Items.Add("Row number:" + itemRowNum);
}
}
ShowHoverBox(grid, Position);
}