public int IndexOf(MxDataGridField field)
{
if (field != null)
{
return this.fields.IndexOf(field);
}
return -1;
}
public void Remove(MxDataGridField field)
{
int index = this.IndexOf(field);
if (index >= 0)
{
this.RemoveAt(index);
}
}
public void Add(MxDataGridField field)
{
this.AddAt(-1, field);
}
public void AddAt(int index, MxDataGridField field)
{
if (index == -1)
{
this.fields.Add(field);
}
else
{
this.fields.Insert(index, field);
}
field.SetOwner(this.owner);
if (this.marked)
{
((IStateManager) field).TrackViewState();
}
this.OnFieldsChanged();
}
protected override int CreateChildControls(IEnumerable dataSource, bool dataBinding)
{
this.pagedDataSource = this.CreatePagedDataSource();
IEnumerator storedData = null;
int num = 0;
ArrayList dataKeysArray = this.DataKeysArray;
ArrayList list2 = null;
if (this.itemsArray != null)
{
this.itemsArray.Clear();
}
else
{
this.itemsArray = new ArrayList();
}
if (!dataBinding)
{
this.pagedDataSource.DataSource = dataSource;
storedData = this.pagedDataSource.GetEnumerator();
list2 = this.CreateFieldSet(null, false);
ICollection is2 = dataSource as ICollection;
if (is2 == null)
{
throw new HttpException(Microsoft.Matrix.Framework.SR.GetString("MxDataGrid_DataSourceMustBeCollection"));
}
this.itemsArray.Capacity = is2.Count;
}
else
{
dataKeysArray.Clear();
if (dataSource != null)
{
ICollection is3 = dataSource as ICollection;
if (((is3 == null) && this.pagedDataSource.IsPagingEnabled) && !this.pagedDataSource.IsCustomPagingEnabled)
{
throw new HttpException(string.Format(Microsoft.Matrix.Framework.SR.GetString("MxDataGrid_Missing_VirtualItemCount"), this.ID));
}
this.pagedDataSource.DataSource = dataSource;
if (this.pagedDataSource.IsPagingEnabled && ((this.pagedDataSource.CurrentPageIndex < 0) || (this.pagedDataSource.CurrentPageIndex >= this.pagedDataSource.PageCount)))
{
throw new HttpException(Microsoft.Matrix.Framework.SR.GetString("Invalid_CurrentPageIndex"));
}
list2 = this.CreateFieldSet(this.pagedDataSource, dataBinding);
if (this.storedDataValid)
{
storedData = this.storedData;
}
else
{
storedData = this.pagedDataSource.GetEnumerator();
}
if (is3 != null)
{
int count = this.pagedDataSource.Count;
dataKeysArray.Capacity = count;
this.itemsArray.Capacity = count;
}
}
}
int num3 = 0;
if (list2 != null)
{
num3 = list2.Count;
}
if (num3 > 0)
{
MxDataGridItem item;
ListItemType editItem;
MxDataGridField[] array = new MxDataGridField[num3];
list2.CopyTo(array, 0);
for (int i = 0; i < array.Length; i++)
{
array[i].Initialize();
}
Table child = new MxDataGridTable();
this.Controls.Add(child);
TableRowCollection rows = child.Rows;
int itemIndex = 0;
int dataSourceIndex = 0;
string dataKeyField = this.DataKeyField;
bool flag = dataBinding && (dataKeyField.Length != 0);
bool isPagingEnabled = this.pagedDataSource.IsPagingEnabled;
int editItemIndex = this.EditItemIndex;
int selectedIndex = this.SelectedIndex;
if (this.pagedDataSource.IsPagingEnabled)
{
dataSourceIndex = this.pagedDataSource.FirstIndexInPage;
}
if (isPagingEnabled)
{
this.CreateItem(-1, -1, ListItemType.Pager, false, null, array, rows, this.pagedDataSource);
}
this.CreateItem(-1, -1, ListItemType.Header, dataBinding, null, array, rows, null);
if (this.storedDataValid && (this.firstDataItem != null))
{
if (flag)
{
object propertyValue = DataBinder.GetPropertyValue(this.firstDataItem, dataKeyField);
dataKeysArray.Add(propertyValue);
}
editItem = ListItemType.Item;
if (itemIndex == editItemIndex)
{
editItem = ListItemType.EditItem;
}
else if (itemIndex == selectedIndex)
{
editItem = ListItemType.SelectedItem;
}
item = this.CreateItem(0, dataSourceIndex, editItem, dataBinding, this.firstDataItem, array, rows, null);
this.itemsArray.Add(item);
num++;
itemIndex++;
dataSourceIndex++;
this.storedDataValid = false;
this.firstDataItem = null;
}
while (storedData.MoveNext())
{
object current = storedData.Current;
if (flag)
{
object obj4 = DataBinder.GetPropertyValue(current, dataKeyField);
dataKeysArray.Add(obj4);
}
editItem = ListItemType.Item;
if (itemIndex == editItemIndex)
{
editItem = ListItemType.EditItem;
}
else if (itemIndex == selectedIndex)
{
editItem = ListItemType.SelectedItem;
}
else if ((itemIndex % 2) != 0)
{
editItem = ListItemType.AlternatingItem;
}
item = this.CreateItem(itemIndex, dataSourceIndex, editItem, dataBinding, current, array, rows, null);
this.itemsArray.Add(item);
num++;
dataSourceIndex++;
itemIndex++;
}
this.CreateItem(-1, -1, ListItemType.Footer, dataBinding, null, array, rows, null);
if (isPagingEnabled)
{
this.CreateItem(-1, -1, ListItemType.Pager, false, null, array, rows, this.pagedDataSource);
}
}
int dataSourceCount = -1;
if (dataBinding)
{
if (storedData != null)
{
if (this.pagedDataSource.IsPagingEnabled)
{
this.ViewState["PageCount"] = this.pagedDataSource.PageCount;
if (this.pagedDataSource.IsCustomPagingEnabled)
{
dataSourceCount = num;
}
else
{
dataSourceCount = this.pagedDataSource.DataSourceCount;
}
}
else
{
this.ViewState["PageCount"] = 1;
dataSourceCount = this.pagedDataSource.DataSourceCount;
}
}
else
{
this.ViewState["PageCount"] = 0;
}
}
this.pagedDataSource = null;
return dataSourceCount;
}
protected virtual void PrepareControlHierarchy()
{
if (this.Controls.Count != 0)
{
Table table = (Table) this.Controls[0];
table.CopyBaseAttributes(this);
if (base.ControlStyleCreated)
{
table.ApplyStyle(base.ControlStyle);
}
else
{
table.GridLines = System.Web.UI.WebControls.GridLines.Both;
table.CellSpacing = 0;
}
TableRowCollection rows = table.Rows;
int count = rows.Count;
if (count != 0)
{
int num2 = this.Fields.Count;
MxDataGridField[] array = new MxDataGridField[num2];
if (num2 > 0)
{
this.Fields.CopyTo(array, 0);
}
Style s = null;
if (this.alternatingItemStyle != null)
{
s = new TableItemStyle();
s.CopyFrom(this.itemStyle);
s.CopyFrom(this.alternatingItemStyle);
}
else
{
s = this.itemStyle;
}
for (int i = 0; i < count; i++)
{
Style style2;
Style style3;
TableCellCollection cells;
MxDataGridItem item = (MxDataGridItem) rows[i];
switch (item.ItemType)
{
case ListItemType.Header:
if (this.ShowHeader)
{
break;
}
item.Visible = false;
goto Label_0336;
case ListItemType.Footer:
if (this.ShowFooter)
{
goto Label_014D;
}
item.Visible = false;
goto Label_0336;
case ListItemType.Item:
item.MergeStyle(this.itemStyle);
goto Label_0281;
case ListItemType.AlternatingItem:
item.MergeStyle(s);
goto Label_0281;
case ListItemType.SelectedItem:
style2 = new TableItemStyle();
if ((item.ItemIndex % 2) == 0)
{
goto Label_0200;
}
style2.CopyFrom(s);
goto Label_020D;
case ListItemType.EditItem:
style3 = new TableItemStyle();
if ((item.ItemIndex % 2) == 0)
{
goto Label_0242;
}
style3.CopyFrom(s);
goto Label_024F;
case ListItemType.Pager:
if (this.pagerStyle.Visible)
{
goto Label_0179;
}
item.Visible = false;
goto Label_0336;
default:
goto Label_0281;
}
if (this.headerStyle != null)
{
item.MergeStyle(this.headerStyle);
}
goto Label_0281;
Label_014D:
item.MergeStyle(this.footerStyle);
goto Label_0281;
Label_0179:
if (i == 0)
{
if (this.pagerStyle.IsPagerOnTop)
{
goto Label_01B1;
}
item.Visible = false;
goto Label_0336;
}
if (!this.pagerStyle.IsPagerOnBottom)
{
item.Visible = false;
goto Label_0336;
}
Label_01B1:
item.MergeStyle(this.pagerStyle);
goto Label_0281;
Label_0200:
style2.CopyFrom(this.itemStyle);
Label_020D:
style2.CopyFrom(this.selectedItemStyle);
item.MergeStyle(style2);
goto Label_0281;
Label_0242:
style3.CopyFrom(this.itemStyle);
Label_024F:
if (item.ItemIndex == this.SelectedIndex)
{
style3.CopyFrom(this.selectedItemStyle);
}
style3.CopyFrom(this.editItemStyle);
item.MergeStyle(style3);
Label_0281:
cells = item.Cells;
int num4 = cells.Count;
if ((num2 > 0) && (item.ItemType != ListItemType.Pager))
{
int num5 = num4;
if (num2 < num4)
{
num5 = num2;
}
for (int j = 0; j < num5; j++)
{
if (!array[j].Visible)
{
cells[j].Visible = false;
}
else
{
Style headerStyleInternal = null;
switch (item.ItemType)
{
case ListItemType.Header:
headerStyleInternal = array[j].HeaderStyleInternal;
break;
case ListItemType.Footer:
headerStyleInternal = array[j].FooterStyleInternal;
break;
default:
headerStyleInternal = array[j].ItemStyleInternal;
break;
}
cells[j].MergeStyle(headerStyleInternal);
}
}
}
Label_0336:;
}
}
}
}
protected virtual void InitializeItem(MxDataGridItem item, MxDataGridField[] fields)
{
TableCellCollection cells = item.Cells;
for (int i = 0; i < fields.Length; i++)
{
TableCell cell = new TableCell();
fields[i].InitializeCell(cell, i, item.ItemType);
cells.Add(cell);
}
}
protected MxDataGridItem CreateItem(int itemIndex, int dataSourceIndex, ListItemType itemType, bool dataBind, object dataItem, MxDataGridField[] fields, TableRowCollection rows, PagedDataSource pagedDataSource)
{
MxDataGridItem item = this.CreateItem(itemIndex, dataSourceIndex, itemType);
MxDataGridItemEventArgs e = new MxDataGridItemEventArgs(item);
if (itemType != ListItemType.Pager)
{
this.InitializeItem(item, fields);
if (dataBind)
{
item.DataItem = dataItem;
}
this.OnItemCreated(e);
rows.Add(item);
if (dataBind)
{
item.DataBind();
this.OnItemDataBound(e);
item.DataItem = null;
}
return item;
}
this.InitializePager(item, fields.Length, pagedDataSource);
this.OnItemCreated(e);
rows.Add(item);
return item;
}
protected virtual ArrayList CreateFieldSet(PagedDataSource dataSource, bool useDataSource)
{
int num;
ArrayList list = new ArrayList();
MxDataGridField[] array = new MxDataGridField[this.Fields.Count];
this.Fields.CopyTo(array, 0);
for (num = 0; num < array.Length; num++)
{
list.Add(array[num]);
}
if (this.AutoGenerateFields)
{
ArrayList autoGenFieldsArray = null;
if (useDataSource)
{
autoGenFieldsArray = this.CreateAutoGeneratedFields(dataSource);
this.autoGenFieldsArray = autoGenFieldsArray;
}
else
{
autoGenFieldsArray = this.autoGenFieldsArray;
}
if (autoGenFieldsArray == null)
{
return list;
}
int count = autoGenFieldsArray.Count;
for (num = 0; num < count; num++)
{
list.Add(autoGenFieldsArray[num]);
}
}
return list;
}
