protected virtual void CreateControlHierarchy(bool useDataSource)
{
IEnumerable dataSource = null;
int itemCount = 0;
_items = null;
ArrayList dataKeysArray = DataKeysArray;
string dataKeyField = null;
if (useDataSource)
{
dataSource = GetDataSource();
dataKeysArray.Clear();
dataKeyField = DataKeyField;
}
else
{
dataSource = new object[(int)ViewState["Items"]];
}
if (dataSource != null)
{
Table outerTable = new Table();
Controls.Add(outerTable);
ListViewItem headerItem = null;
ListViewItem footerItem = null;
if (_headerTemplate != null)
{
TableRow headerRow = new TableRow();
outerTable.Rows.Add(headerRow);
headerItem = CreateListViewItem(headerRow, -1, ListViewItemType.Header, null, useDataSource);
}
TableRow bodyRow = new TableRow();
outerTable.Rows.Add(bodyRow);
TableCell bodyCell = new TableCell();
bodyRow.Cells.Add(bodyCell);
ListViewPanel viewPanel = new ListViewPanel();
bodyCell.Controls.Add(viewPanel);
ListViewTable innerTable = CreateListViewTable();
viewPanel.Controls.Add(innerTable);
TableRow itemsRow = new TableRow();
innerTable.Rows.Add(itemsRow);
int editIndex = EditIndex;
int selectedIndex = SelectedIndex;
int itemIndex = 0;
foreach (object dataItem in dataSource)
{
ListViewItemType itemType = ListViewItemType.Item;
if (itemIndex == editIndex)
{
itemType |= ListViewItemType.EditItem;
}
if (itemIndex == selectedIndex)
{
itemType |= ListViewItemType.SelectedItem;
}
CreateListViewItem(itemsRow, itemIndex, itemType, dataItem, useDataSource);
itemIndex++;
itemCount++;
if (useDataSource && (dataKeyField.Length != 0))
{
dataKeysArray.Add(DataBinder.GetPropertyValue(dataItem, dataKeyField));
}
}
if (_footerTemplate != null)
{
TableRow footerRow = new TableRow();
outerTable.Rows.Add(footerRow);
CreateListViewItem(footerRow, -1, ListViewItemType.Footer, null, useDataSource);
}
_items = CreateListViewItemCollection(itemsRow.Cells, headerItem, footerItem);
}
if (useDataSource)
{
ViewState["Items"] = itemCount;
}
}
protected virtual void PrepareControlHierarchyForRendering()
{
ControlCollection controls = Controls;
if (controls.Count != 1)
{
return;
}
Table outerTable = (Table)controls[0];
outerTable.CopyBaseAttributes(this);
if (ControlStyleCreated)
{
outerTable.ApplyStyle(ControlStyle);
}
else
{
// Because we didn't create a ControlStyle yet, the settings
// for the default style of the control need to be applied
// to the child table control directly.
outerTable.CellSpacing = 0;
}
TableRowCollection rows = outerTable.Rows;
TableCell bodyCell = null;
if (_headerTemplate != null)
{
TableRow headerRow = rows[0];
if (ShowHeader)
{
if (_headerStyle != null)
{
headerRow.Cells[0].MergeStyle(_headerStyle);
}
}
else
{
headerRow.Visible = false;
}
bodyCell = rows[1].Cells[0];
}
if (_footerTemplate != null)
{
TableRow footerRow = rows[rows.Count - 1];
if (ShowFooter)
{
if (_footerStyle != null)
{
footerRow.Cells[0].MergeStyle(_footerStyle);
}
}
else
{
footerRow.Visible = false;
}
}
if (bodyCell == null)
{
bodyCell = rows[0].Cells[0];
}
ListViewPanel viewPanel = (ListViewPanel)bodyCell.Controls[0];
if (_viewStyle != null)
{
viewPanel.ApplyStyle(_viewStyle);
if (ShowScrollBars)
{
viewPanel.Style["overflow"] = "scroll";
viewPanel.Style["overflow-x"] = "auto";
viewPanel.Style["overflow-y"] = "auto";
}
}
ListViewTable bodyTable = (ListViewTable)viewPanel.Controls[0];
bodyTable.Columns = Columns;
foreach (ListViewItem item in _items)
{
TableItemStyle style = _itemStyle;
TableItemStyle compositeStyle = null;
ListViewItemType itemType = item.ItemType;
if (((itemType & ListViewItemType.EditItem) != 0) && (_editItemStyle != null))
{
if (style != null)
{
compositeStyle = new TableItemStyle();
compositeStyle.CopyFrom(style);
compositeStyle.CopyFrom(_editItemStyle);
}
else
{
style = _editItemStyle;
}
}
if (((itemType & ListViewItemType.SelectedItem) != 0) && (_selectedItemStyle != null))
{
if (compositeStyle != null)
{
compositeStyle.CopyFrom(_selectedItemStyle);
}
else if (style != null)
{
compositeStyle = new TableItemStyle();
compositeStyle.CopyFrom(style);
compositeStyle.CopyFrom(_selectedItemStyle);
}
else
{
style = _selectedItemStyle;
}
}
if (compositeStyle != null)
{
item.MergeStyle(compositeStyle);
}
else if (style != null)
{
item.MergeStyle(style);
}
if (_renderClickSelectScript)
{
if ((itemType & ListViewItemType.SelectedItem) == 0)
{
item.Attributes["onclick"] = Page.GetPostBackEventReference(this, "S" + item.ItemIndex);
item.Style["cursor"] = "hand";
}
}
}
}