public static ScreenItemInstance FindItem(
this IScreenItem item, IScreenLoc Start, IScreenLoc FindZeroLoc,
ScreenContent Content)
{
ScreenItemInstance findItem = null;
if (item.ItemType == ShowItemType.Section)
{
var sectionItem = item as IScreenSection;
findItem = sectionItem.FindItem(Start, FindZeroLoc, Content);
}
else
{
// adjust screen loc of the item by start pos of the section it is contained in.
var adjRow = Start.RowNum - 1;
var adjCol = Start.ColNum - 1;
var loc = new OneScreenLoc(
item.ScreenLoc.RowNum + adjRow, item.ScreenLoc.ColNum + adjCol);
var zeroLoc = loc.ToZeroRowCol();
var itemAtomic = item as IScreenAtomic;
var range = new ScreenLocRange(zeroLoc, itemAtomic.Length, Content.ScreenDim);
if (range.Contains(FindZeroLoc) == true)
findItem = new ScreenItemInstance(item, range.From);
}
return findItem;
}
public static ScreenItemInstance FindItem(
this IScreenDefn Defn, IScreenLoc FindLoc, ScreenContent Content)
{
ScreenItemInstance found = null;
ISectionHeader sectionHeader = Defn as ISectionHeader;
var start = new OneScreenLoc(1, 1);
found = sectionHeader.FindItem(start, FindLoc, Content);
return(found);
}
public static ScreenItemInstance FindItem(
this ISectionHeader section, IScreenLoc Start, IScreenLoc FindLoc, ScreenContent Content)
{
ScreenItemInstance findItem = null;
// find the screenitem located at the find location.
foreach (var item in section.Items)
{
findItem = item.FindItem(Start, FindLoc, Content);
if (findItem != null)
{
break;
}
}
return(findItem);
}
/// <summary>
/// capture the data of the screen to a DataTable class.
/// </summary>
/// <param name="Defn"></param>
/// <param name="Content"></param>
/// <returns></returns>
public static EnhancedDataTable Capture(
this IScreenDefn Defn, ScreenContent Content,
ScreenItemInstance ItemInstance = null)
{
ISectionHeader sectionHeader = Defn as ISectionHeader;
var start = new OneScreenLoc(1, 1);
var report = sectionHeader.CaptureToReport(start, Content);
var table = report.ToDataTable();
// mark the selected datarow in the dataTable.
int rownum = 0;
if ((ItemInstance != null) && (ItemInstance.RepeatNum > 0))
{
rownum = ItemInstance.RepeatNum - 1;
}
table.MarkSelectedRow(rownum);
return(table);
}
/// <summary>
/// find the item within the screen section.
/// </summary>
/// <param name="section"></param>
/// <param name="Start"></param>
/// <param name="FindLoc"></param>
/// <param name="Content"></param>
/// <returns></returns>
public static ScreenItemInstance FindItem(
this IScreenSection section, IScreenLoc Start, IScreenLoc FindLoc,
ScreenContent Content)
{
ScreenItemInstance foundItem = null;
var header = section as ISectionHeader;
var sectionDim = section.CalcDim();
var adjRow = Start.RowNum - 1;
var adjCol = Start.ColNum - 1;
var start = new OneScreenLoc(
section.ScreenLoc.RowNum + adjRow, section.ScreenLoc.ColNum + adjCol);
int repeatIx = 0;
bool endOfRows = false;
int loopCx = 0;
while (foundItem == null)
{
if (section.PurposeCode != ScreenPurposeCode.ReportDetail)
{
if (loopCx > 0)
{
break;
}
}
else
{
if (repeatIx >= section.GetRepeatCount())
{
break;
}
repeatIx += 1;
}
loopCx += 1;
// section is a subfile. subfile row can be blank. If blank consider as
// the end of rows of the subfile. So no need to match.
bool rowIsBlank = false;
if (section.PurposeCode == ScreenPurposeCode.ReportDetail)
{
if (Content.RowIsBlank(start.RowNum) == true)
{
rowIsBlank = true;
}
}
// a blank row. no more rows to match.
if (rowIsBlank == true)
{
endOfRows = true;
}
if (endOfRows == false)
{
foundItem = header.FindItem(start, FindLoc, Content);
if (foundItem != null)
{
foundItem.RepeatNum = repeatIx;
break;
}
}
start.RowNum += 1;
}
return(foundItem);
}
