void ControlTreeDataLoader.LoadData()
{
if (hideIfEmpty && itemGroups.All(itemGroup => !itemGroup.Items.Any()))
{
Visible = false;
return;
}
SetUpTableAndCaption(this, style, classes, caption, subCaption);
var visibleItemGroupsAndItems = new List <KeyValuePair <EwfTableItemGroup, List <EwfTableItem> > >();
foreach (var itemGroup in itemGroups)
{
var visibleItems = itemGroup.Items.Take(CurrentItemLimit - visibleItemGroupsAndItems.Sum(i => i.Value.Count)).Select(i => i());
visibleItemGroupsAndItems.Add(new KeyValuePair <EwfTableItemGroup, List <EwfTableItem> >(itemGroup, visibleItems.ToList()));
if (visibleItemGroupsAndItems.Sum(i => i.Value.Count) == CurrentItemLimit)
{
break;
}
}
var fields = GetFields(specifiedFields, headItems.AsReadOnly(), visibleItemGroupsAndItems.SelectMany(i => i.Value));
if (!fields.Any())
{
fields = new EwfTableField().ToSingleElementArray();
}
addColumnSpecifications(fields);
var allVisibleItems = new List <EwfTableItem>();
var headRows =
buildRows(
getItemLimitingAndGeneralActionsItem(fields.Length).Concat(getItemActionsItem(fields.Length)).ToList(),
Enumerable.Repeat(new EwfTableField(), fields.Length).ToArray(),
null,
false,
null,
null,
allVisibleItems).Concat(buildRows(headItems, fields, null, true, null, null, allVisibleItems)).ToArray();
if (headRows.Any())
{
Controls.Add(new WebControl(HtmlTextWriterTag.Thead).AddControlsReturnThis(headRows));
}
for (var visibleGroupIndex = 0; visibleGroupIndex < visibleItemGroupsAndItems.Count; visibleGroupIndex += 1)
{
var groupAndItems = visibleItemGroupsAndItems[visibleGroupIndex];
var groupHeadItems = new List <EwfTableItem>();
// NOTE: Set up group-level general actions. EwfTableItemGroup.GetGroupHeadItem( int visibleItemsInGroup )
// NOTE: Set up group-level check box selection (if enabled) and group-level check box actions (if they exist). Make sure all items in the group have identical lists. EwfTableItemGroup.GetGroupItemActionsItem()
// NOTE: Check box actions should show an error if clicked and no items are selected; this caused confusion in M+Vision.
// NOTE: Combine the above into one method that returns a list of items.
var useContrastForFirstRow = visibleItemGroupsAndItems.Where((group, i) => i < visibleGroupIndex).Sum(i => i.Value.Count) % 2 == 1;
Controls.Add(
new WebControl(HtmlTextWriterTag.Tbody).AddControlsReturnThis(
buildRows(groupHeadItems, Enumerable.Repeat(new EwfTableField(), fields.Length).ToArray(), null, true, null, null, allVisibleItems)
.Concat(buildRows(groupAndItems.Value, fields, useContrastForFirstRow, false, null, null, allVisibleItems))));
}
var itemCount = itemGroups.Sum(i => i.Items.Count);
if (CurrentItemLimit < itemCount)
{
var nextLimit = EnumTools.GetValues <DataRowLimit>().First(i => i > (DataRowLimit)CurrentItemLimit);
var itemIncrementCount = Math.Min((int)nextLimit, itemCount) - CurrentItemLimit;
var button =
new PostBackButton(
PostBack.CreateFull(
id: PostBack.GetCompositeId(postBackIdBase, "showMore"),
firstModificationMethod: () => EwfPage.Instance.PageState.SetValue(this, itemLimitPageStateKey, (int)nextLimit)),
new TextActionControlStyle("Show " + itemIncrementCount + " more item" + (itemIncrementCount != 1 ? "s" : "")),
usesSubmitBehavior: false);
var item = new EwfTableItem(button.ToCell(new TableCellSetup(fieldSpan: fields.Length)));
var useContrast = visibleItemGroupsAndItems.Sum(i => i.Value.Count) % 2 == 1;
Controls.Add(
new WebControl(HtmlTextWriterTag.Tbody).AddControlsReturnThis(
buildRows(
item.ToSingleElementArray().ToList(),
Enumerable.Repeat(new EwfTableField(), fields.Length).ToArray(),
useContrast,
false,
null,
null,
allVisibleItems)));
}
// Assert that every visible item in the table has the same number of cells and store a data structure for below.
var cellPlaceholderListsForItems = TableOps.BuildCellPlaceholderListsForItems(allVisibleItems, fields.Length);
if (!disableEmptyFieldDetection)
{
AssertAtLeastOneCellPerField(fields, cellPlaceholderListsForItems);
}
}
/// <summary>
/// Adds an item to the table. Does not defer creation of the item. Do not use this in tables that use item limiting.
/// </summary>
public void AddItem(EwfTableItem item)
{
AddItem(() => item);
}