namespace System.Web.UI.WebControls
{
+ [SupportsEventValidation]
[DesignerAttribute ("System.Web.UI.Design.WebControls.GridViewDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
[ControlValuePropertyAttribute ("SelectedValue")]
[DefaultEventAttribute ("SelectedIndexChanged")]
[AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
- public class GridView: CompositeDataBoundControl, ICallbackEventHandler, ICallbackContainer
+ public class GridView: CompositeDataBoundControl, ICallbackEventHandler, ICallbackContainer, IPostBackEventHandler, IPostBackContainer
{
Table table;
GridViewRowCollection rows;
- GridViewRow headerRow;
- GridViewRow footerRow;
GridViewRow bottomPagerRow;
GridViewRow topPagerRow;
TableItemStyle pagerStyle;
TableItemStyle rowStyle;
TableItemStyle selectedRowStyle;
+ ArrayList _dataKeyArrayList;
DataKeyArray keys;
DataKey oldEditValues;
AutoGeneratedFieldProperties[] autoFieldProperties;
+ string [] dataKeyNames = null;
readonly string[] emptyKeys = new string[0];
private static readonly object PageIndexChangedEvent = new object();
// Control state
int pageIndex;
- int pageCount = -1;
int selectedIndex = -1;
int editIndex = -1;
SortDirection sortDirection = SortDirection.Ascending;
[WebCategoryAttribute ("Paging")]
[DefaultValueAttribute (false)]
- public bool AllowPaging {
+ public virtual bool AllowPaging {
get {
object ob = ViewState ["AllowPaging"];
if (ob != null) return (bool) ob;
[WebCategoryAttribute ("Behavior")]
[DefaultValueAttribute (false)]
- public bool AllowSorting {
+ public virtual bool AllowSorting {
get {
object ob = ViewState ["AllowSorting"];
if (ob != null) return (bool) ob;
}
}
- [WebCategoryAttribute ("Styles")]
+ [WebCategoryAttribute ("Styles")]
[PersistenceMode (PersistenceMode.InnerProperty)]
[NotifyParentProperty (true)]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public virtual TableItemStyle AlternatingRowStyle {
+ public TableItemStyle AlternatingRowStyle {
get {
if (alternatingRowStyle == null) {
alternatingRowStyle = new TableItemStyle ();
[EditorAttribute ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
public virtual string BackImageUrl {
get {
- object ob = ViewState ["BackImageUrl"];
- if (ob != null) return (string) ob;
- return string.Empty;
+ if (ControlStyleCreated)
+ return ((TableStyle) ControlStyle).BackImageUrl;
+ return String.Empty;
}
set {
- ViewState ["BackImageUrl"] = value;
- RequireBinding ();
+ ((TableStyle) ControlStyle).BackImageUrl = value;
}
}
[WebCategoryAttribute ("Accessibility")]
[DefaultValueAttribute ("")]
[LocalizableAttribute (true)]
- public string Caption {
+ public virtual string Caption {
get {
object ob = ViewState ["Caption"];
if (ob != null) return (string) ob;
public virtual int CellPadding
{
get {
- object o = ViewState ["CellPadding"];
- if (o != null) return (int) o;
+ if (ControlStyleCreated)
+ return ((TableStyle) ControlStyle).CellPadding;
return -1;
}
set {
- ViewState ["CellPadding"] = value;
- RequireBinding ();
+ ((TableStyle) ControlStyle).CellPadding = value;
}
}
public virtual int CellSpacing
{
get {
- object o = ViewState ["CellSpacing"];
- if (o != null) return (int) o;
+ if (ControlStyleCreated)
+ return ((TableStyle) ControlStyle).CellSpacing;
return 0;
}
set {
- ViewState ["CellSpacing"] = value;
- RequireBinding ();
+ ((TableStyle) ControlStyle).CellSpacing = value;
}
}
public virtual string[] DataKeyNames
{
get {
- object o = ViewState ["DataKeyNames"];
- if (o != null) return (string[]) o;
+ if (dataKeyNames != null)
+ return dataKeyNames;
return emptyKeys;
}
set {
- ViewState ["DataKeyNames"] = value;
+ dataKeyNames = value;
RequireBinding ();
}
}
+
+ ArrayList DataKeyArrayList {
+ get {
+ if (_dataKeyArrayList == null) {
+ _dataKeyArrayList = new ArrayList ();
+ }
+ return _dataKeyArrayList;
+ }
+ }
[BrowsableAttribute (false)]
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
public virtual DataKeyArray DataKeys {
get {
- EnsureDataBound ();
+ if (keys == null) {
+ keys = new DataKeyArray (DataKeyArrayList);
+ if (IsTrackingViewState)
+ ((IStateManager) keys).TrackViewState ();
+ }
return keys;
}
}
+ DataKey OldEditValues {
+ get {
+ if (oldEditValues == null) {
+ oldEditValues = new DataKey (new OrderedDictionary ());
+ }
+ return oldEditValues;
+ }
+ }
+
[WebCategoryAttribute ("Misc")]
[DefaultValueAttribute (-1)]
- public int EditIndex {
+ public virtual int EditIndex {
get {
return editIndex;
}
set {
+ if (value == editIndex)
+ return;
editIndex = value;
RequireBinding ();
}
}
- [WebCategoryAttribute ("Styles")]
+ [WebCategoryAttribute ("Styles")]
[PersistenceMode (PersistenceMode.InnerProperty)]
[NotifyParentProperty (true)]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public virtual TableItemStyle EditRowStyle {
+ public TableItemStyle EditRowStyle {
get {
if (editRowStyle == null) {
editRowStyle = new TableItemStyle ();
}
}
- [WebCategoryAttribute ("Styles")]
+ [WebCategoryAttribute ("Styles")]
[PersistenceMode (PersistenceMode.InnerProperty)]
[NotifyParentProperty (true)]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public virtual TableItemStyle EmptyDataRowStyle {
+ public TableItemStyle EmptyDataRowStyle {
get {
if (emptyDataRowStyle == null) {
emptyDataRowStyle = new TableItemStyle ();
}
[DefaultValue (null)]
- [TemplateContainer (typeof(GridView), BindingDirection.OneWay)]
+ [TemplateContainer (typeof(GridViewRow), BindingDirection.OneWay)]
[PersistenceMode (PersistenceMode.InnerProperty)]
- [Browsable (false)]
- public ITemplate EmptyDataTemplate {
+ [Browsable (false)]
+ public virtual ITemplate EmptyDataTemplate {
get { return emptyDataTemplate; }
set { emptyDataTemplate = value; RequireBinding (); }
}
[BrowsableAttribute (false)]
public virtual GridViewRow FooterRow {
get {
- if (footerRow == null)
- footerRow = CreateRow (0, 0, DataControlRowType.Footer, DataControlRowState.Normal);
- return footerRow;
+ if (table != null) {
+ for (int index = table.Rows.Count - 1; index >= 0; index--) {
+ GridViewRow row = (GridViewRow) table.Rows [index];
+ switch (row.RowType) {
+ case DataControlRowType.Separator:
+ case DataControlRowType.Pager:
+ continue;
+ case DataControlRowType.Footer:
+ return row;
+ default:
+ break;
+ }
+ }
+ }
+ return null;
}
}
- [WebCategoryAttribute ("Styles")]
+ [WebCategoryAttribute ("Styles")]
[PersistenceMode (PersistenceMode.InnerProperty)]
[NotifyParentProperty (true)]
[DefaultValue (null)]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public virtual TableItemStyle FooterStyle {
+ public TableItemStyle FooterStyle {
get {
if (footerStyle == null) {
footerStyle = new TableItemStyle ();
[DefaultValueAttribute (GridLines.Both)]
public virtual GridLines GridLines {
get {
- object ob = ViewState ["GridLines"];
- if (ob != null) return (GridLines) ob;
+ if (ControlStyleCreated)
+ return ((TableStyle) ControlStyle).GridLines;
return GridLines.Both;
}
set {
- ViewState ["GridLines"] = value;
+ ((TableStyle) ControlStyle).GridLines = value;
}
}
[BrowsableAttribute (false)]
public virtual GridViewRow HeaderRow {
get {
- if (headerRow == null)
- headerRow = CreateRow (0, 0, DataControlRowType.Header, DataControlRowState.Normal);
- return headerRow;
+ if (table != null) {
+ for (int index = 0, total = table.Rows.Count; index < total; index++) {
+ GridViewRow row = (GridViewRow) table.Rows [index];
+ switch (row.RowType) {
+ case DataControlRowType.Separator:
+ case DataControlRowType.Pager:
+ continue;
+ case DataControlRowType.Header:
+ return row;
+ default:
+ break;
+ }
+ }
+ }
+ return null;
}
}
- [WebCategoryAttribute ("Styles")]
+ [WebCategoryAttribute ("Styles")]
[PersistenceMode (PersistenceMode.InnerProperty)]
[NotifyParentProperty (true)]
[DefaultValue (null)]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public virtual TableItemStyle HeaderStyle {
+ public TableItemStyle HeaderStyle {
get {
if (headerStyle == null) {
headerStyle = new TableItemStyle ();
}
}
+ [Category ("Layout")]
[DefaultValueAttribute (HorizontalAlign.NotSet)]
public virtual HorizontalAlign HorizontalAlign {
get {
- object ob = ViewState ["HorizontalAlign"];
- if (ob != null) return (HorizontalAlign) ob;
+ if (ControlStyleCreated)
+ return ((TableStyle) ControlStyle).HorizontalAlign;
return HorizontalAlign.NotSet;
}
set {
- ViewState ["HorizontalAlign"] = value;
- RequireBinding ();
+ ((TableStyle) ControlStyle).HorizontalAlign = value;
}
}
[BrowsableAttribute (false)]
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- public int PageCount {
+ public virtual int PageCount {
get {
- if (pageCount != -1) return pageCount;
- EnsureDataBound ();
- return pageCount;
+ return ViewState.GetInt ("PageCount", 0);
+ }
+ private set {
+ ViewState ["PageCount"] = value;
}
}
[WebCategoryAttribute ("Paging")]
[BrowsableAttribute (true)]
[DefaultValueAttribute (0)]
- public int PageIndex {
+ public virtual int PageIndex {
get {
return pageIndex;
}
set {
+ if (value == pageIndex)
+ return;
pageIndex = value;
RequireBinding ();
}
[DefaultValueAttribute (10)]
[WebCategoryAttribute ("Paging")]
- public int PageSize {
+ public virtual int PageSize {
get {
object ob = ViewState ["PageSize"];
if (ob != null) return (int) ob;
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Content)]
[NotifyParentPropertyAttribute (true)]
[PersistenceModeAttribute (PersistenceMode.InnerProperty)]
- public PagerSettings PagerSettings {
+ public virtual PagerSettings PagerSettings {
get {
if (pagerSettings == null) {
pagerSettings = new PagerSettings (this);
}
}
- [WebCategoryAttribute ("Styles")]
+ [WebCategoryAttribute ("Styles")]
[PersistenceMode (PersistenceMode.InnerProperty)]
[NotifyParentProperty (true)]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public virtual TableItemStyle PagerStyle {
+ public TableItemStyle PagerStyle {
get {
if (pagerStyle == null) {
pagerStyle = new TableItemStyle ();
[DefaultValue (null)]
- [TemplateContainer (typeof(GridView), BindingDirection.OneWay)]
+ /* DataControlPagerCell isnt specified in the docs */
+ //[TemplateContainer (typeof(DataControlPagerCell), BindingDirection.OneWay)]
[PersistenceMode (PersistenceMode.InnerProperty)]
- [Browsable (false)]
- public ITemplate PagerTemplate {
+ [Browsable (false)]
+ public virtual ITemplate PagerTemplate {
get { return pagerTemplate; }
set { pagerTemplate = value; RequireBinding (); }
}
[DefaultValueAttribute ("")]
[WebCategoryAttribute ("Accessibility")]
-// [TypeConverterAttribute (typeof(System.Web.UI.Design.DataColumnSelectionConverter)]
+ // [TypeConverterAttribute (typeof(System.Web.UI.Design.DataColumnSelectionConverter)]
public virtual string RowHeaderColumn {
get {
object ob = ViewState ["RowHeaderColumn"];
[BrowsableAttribute (false)]
public virtual GridViewRowCollection Rows {
get {
- EnsureDataBound ();
+ EnsureChildControls ();
+ if (rows == null)
+ rows = new GridViewRowCollection (new ArrayList ());
return rows;
}
}
- [WebCategoryAttribute ("Styles")]
+ [WebCategoryAttribute ("Styles")]
[PersistenceMode (PersistenceMode.InnerProperty)]
[NotifyParentProperty (true)]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public virtual TableItemStyle RowStyle {
+ public TableItemStyle RowStyle {
get {
if (rowStyle == null) {
rowStyle = new TableItemStyle ();
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
public virtual DataKey SelectedDataKey {
get {
+ if (keys == null)
+ throw new InvalidOperationException ("DataKeys");
+
if (selectedIndex >= 0 && selectedIndex < DataKeys.Count) {
return DataKeys [selectedIndex];
} else
[BindableAttribute (true)]
[DefaultValueAttribute (-1)]
- public int SelectedIndex {
+ public virtual int SelectedIndex {
get {
return selectedIndex;
}
set {
- if (selectedIndex >= 0 && selectedIndex < Rows.Count) {
+ if (Rows != null && selectedIndex >= 0 && selectedIndex < Rows.Count) {
int oldIndex = selectedIndex;
selectedIndex = -1;
Rows [oldIndex].RowState = GetRowState (oldIndex);
}
selectedIndex = value;
- if (selectedIndex >= 0 && selectedIndex < Rows.Count) {
+ if (Rows != null && selectedIndex >= 0 && selectedIndex < Rows.Count) {
Rows [selectedIndex].RowState = GetRowState (selectedIndex);
}
}
}
}
- [WebCategoryAttribute ("Styles")]
+ [WebCategoryAttribute ("Styles")]
[PersistenceMode (PersistenceMode.InnerProperty)]
[NotifyParentProperty (true)]
[DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public virtual TableItemStyle SelectedRowStyle {
+ public TableItemStyle SelectedRowStyle {
get {
if (selectedRowStyle == null) {
selectedRowStyle = new TableItemStyle ();
}
[BrowsableAttribute (false)]
- public virtual object SelectedValue {
+ public object SelectedValue {
get {
if (SelectedDataKey != null)
return SelectedDataKey.Value;
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
public virtual SortDirection SortDirection {
get { return sortDirection; }
+ private set {
+ if (sortDirection == value)
+ return;
+ sortDirection = value;
+ RequireBinding ();
+ }
}
[BrowsableAttribute (false)]
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
public virtual string SortExpression {
- get { return sortExpression; }
+ get {
+ if (sortExpression == null)
+ return String.Empty;
+ return sortExpression;
+ }
+ private set {
+ if (sortExpression == value)
+ return;
+ sortExpression = value;
+ RequireBinding ();
+ }
}
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
return type.IsPrimitive || type == typeof(string) || type == typeof(DateTime) || type == typeof(Guid);
}
+ // MSDN: The CreateDataSourceSelectArguments method is a helper method called by
+ // the GridView control to create the DataSourceSelectArguments object that
+ // contains the arguments passed to the data source. In this implementation,
+ // the DataSourceSelectArguments object contains the arguments for paging operations.
protected override DataSourceSelectArguments CreateDataSourceSelectArguments ()
{
- return base.CreateDataSourceSelectArguments ();
+ DataSourceSelectArguments arg = DataSourceSelectArguments.Empty;
+ DataSourceView view= GetData();
+ if (AllowPaging && view.CanPage) {
+ arg.StartRowIndex = PageIndex * PageSize;
+ if (view.CanRetrieveTotalRowCount) {
+ arg.RetrieveTotalRowCount = true;
+ arg.MaximumRows = PageSize;
+ }
+ else {
+ arg.MaximumRows = -1;
+ }
+ }
+
+ if (IsBoundUsingDataSourceID && !String.IsNullOrEmpty (sortExpression)) {
+ if (sortDirection == SortDirection.Ascending)
+ arg.SortExpression = sortExpression;
+ else
+ arg.SortExpression = sortExpression + " DESC";
+ }
+
+ return arg;
}
protected virtual ICollection CreateColumns (PagedDataSource dataSource, bool useDataSource)
field.ShowSelectButton = AutoGenerateSelectButton;
fields.Add (field);
}
+
+ fields.AddRange (Columns);
if (AutoGenerateColumns) {
if (useDataSource)
}
}
- fields.AddRange (Columns);
-
return fields;
}
object fitem = null;
prop_type = null;
PropertyInfo prop_item = source.DataSource.GetType().GetProperty("Item",
- BindingFlags.Instance | BindingFlags.Static |
- BindingFlags.Public, null, null,
- new Type[] { typeof(int) }, null);
+ BindingFlags.Instance | BindingFlags.Static |
+ BindingFlags.Public, null, null,
+ new Type[] { typeof(int) }, null);
if (prop_item != null) {
prop_type = prop_item.PropertyType;
protected virtual GridViewRow CreateRow (int rowIndex, int dataSourceIndex, DataControlRowType rowType, DataControlRowState rowState)
{
GridViewRow row = new GridViewRow (rowIndex, dataSourceIndex, rowType, rowState);
- OnRowCreated (new GridViewRowEventArgs (row));
return row;
}
{
if (Initialized) {
RequiresDataBinding = true;
- pageCount = -1;
}
}
protected virtual Table CreateChildTable ()
{
- Table table = new Table ();
- table.Caption = Caption;
- table.CaptionAlign = CaptionAlign;
- table.CellPadding = CellPadding;
- table.CellSpacing = CellSpacing;
- table.HorizontalAlign = HorizontalAlign;
- table.BackImageUrl = BackImageUrl;
- return table;
+ return new ContainedTable (this);
}
protected override int CreateChildControls (IEnumerable data, bool dataBinding)
{
+ // clear GridView
+ Controls.Clear ();
+ table = null;
+ rows = null;
+
+ if (data == null) {
+ return 0;
+ }
+
PagedDataSource dataSource;
if (dataBinding) {
dataSource.CurrentPageIndex = PageIndex;
if (view.CanPage) {
dataSource.AllowServerPaging = true;
- if (view.CanRetrieveTotalRowCount)
+ if (SelectArguments.RetrieveTotalRowCount)
dataSource.VirtualCount = SelectArguments.TotalRowCount;
- else {
- dataSource.DataSourceView = view;
- dataSource.DataSourceSelectArguments = SelectArguments;
- dataSource.SetItemCountFromPageIndex (PageIndex + PagerSettings.PageButtonCount);
- }
}
}
- pageCount = dataSource.PageCount;
+ PageCount = dataSource.PageCount;
}
else
{
}
}
+ if (dataSource.DataSourceCount == 0)
+ return 0;
+
bool showPager = AllowPaging && (PageCount > 1);
- Controls.Clear ();
table = CreateChildTable ();
Controls.Add (table);
ArrayList list = new ArrayList ();
- ArrayList keyList = new ArrayList ();
// Creates the set of fields to show
if (showPager && PagerSettings.Position == PagerPosition.Top || PagerSettings.Position == PagerPosition.TopAndBottom) {
topPagerRow = CreatePagerRow (fields.Length, dataSource);
table.Rows.Add (topPagerRow);
+ OnRowCreated (new GridViewRowEventArgs (topPagerRow));
}
- if (ShowHeader) {
- headerRow = CreateRow (0, 0, DataControlRowType.Header, DataControlRowState.Normal);
- table.Rows.Add (headerRow);
- InitializeRow (headerRow, fields);
+ GridViewRow headerRow = CreateRow (0, 0, DataControlRowType.Header, DataControlRowState.Normal);
+ table.Rows.Add (headerRow);
+ InitializeRow (headerRow, fields);
+ OnRowCreated (new GridViewRowEventArgs (headerRow));
+ if (dataBinding) {
+ headerRow.DataBind ();
+ OnRowDataBound (new GridViewRowEventArgs (headerRow));
}
foreach (object obj in dataSource) {
list.Add (row);
table.Rows.Add (row);
InitializeRow (row, fields);
+ OnRowCreated (new GridViewRowEventArgs (row));
if (dataBinding) {
-// row.DataBind ();
+ row.DataBind ();
OnRowDataBound (new GridViewRowEventArgs (row));
if (EditIndex == row.RowIndex)
oldEditValues = new DataKey (GetRowValues (row, false, true));
- keyList.Add (new DataKey (CreateRowDataKey (row), DataKeyNames));
- } else {
- if (EditIndex == row.RowIndex)
- oldEditValues = new DataKey (new OrderedDictionary ());
- keyList.Add (new DataKey (new OrderedDictionary (), DataKeyNames));
- }
+ DataKeyArrayList.Add (new DataKey (CreateRowDataKey (row), DataKeyNames));
+ }
if (list.Count >= PageSize)
break;
}
-
- if (list.Count == 0)
- table.Rows.Add (CreateEmptyrRow (fields.Length));
- if (ShowFooter) {
- footerRow = CreateRow (0, 0, DataControlRowType.Footer, DataControlRowState.Normal);
- table.Rows.Add (footerRow);
- InitializeRow (footerRow, fields);
+ if (list.Count == 0) {
+ GridViewRow emptyRow = CreateEmptyrRow (fields.Length);
+ table.Rows.Add (emptyRow);
+ OnRowCreated (new GridViewRowEventArgs (emptyRow));
+ if (dataBinding) {
+ emptyRow.DataBind ();
+ OnRowDataBound (new GridViewRowEventArgs (emptyRow));
+ }
+ }
+
+ GridViewRow footerRow = CreateRow (0, 0, DataControlRowType.Footer, DataControlRowState.Normal);
+ table.Rows.Add (footerRow);
+ InitializeRow (footerRow, fields);
+ OnRowCreated (new GridViewRowEventArgs (footerRow));
+ if (dataBinding) {
+ footerRow.DataBind ();
+ OnRowDataBound (new GridViewRowEventArgs (footerRow));
}
if (showPager && PagerSettings.Position == PagerPosition.Bottom || PagerSettings.Position == PagerPosition.TopAndBottom) {
bottomPagerRow = CreatePagerRow (fields.Length, dataSource);
table.Rows.Add (bottomPagerRow);
+ OnRowCreated (new GridViewRowEventArgs (bottomPagerRow));
}
rows = new GridViewRowCollection (list);
- keys = new DataKeyArray (keyList);
-
- if (dataBinding)
- DataBind (false);
return dataSource.DataSourceCount;
}
+
+ protected override Style CreateControlStyle ()
+ {
+ TableStyle style = new TableStyle (ViewState);
+ style.GridLines = GridLines.Both;
+ style.CellSpacing = 0;
+ return style;
+ }
DataControlRowState GetRowState (int index)
{
protected virtual void InitializePager (GridViewRow row, int columnSpan, PagedDataSource dataSource)
{
TableCell cell = new TableCell ();
- cell.ColumnSpan = columnSpan;
+ if (columnSpan > 1)
+ cell.ColumnSpan = columnSpan;
if (pagerTemplate != null)
pagerTemplate.InstantiateIn (cell);
bool accessibleHeader = false;
switch (row.RowType) {
- case DataControlRowType.Header:
- ctype = DataControlCellType.Header;
- accessibleHeader = UseAccessibleHeader;
- break;
- case DataControlRowType.Footer:
- ctype = DataControlCellType.Footer;
- break;
- default:
- ctype = DataControlCellType.DataCell;
- break;
+ case DataControlRowType.Header:
+ ctype = DataControlCellType.Header;
+ accessibleHeader = UseAccessibleHeader;
+ break;
+ case DataControlRowType.Footer:
+ ctype = DataControlCellType.Footer;
+ break;
+ default:
+ ctype = DataControlCellType.DataCell;
+ break;
}
for (int n=0; n<fields.Length; n++) {
public sealed override void DataBind ()
{
- DataSourceView view = GetData ();
- if (AllowPaging && view.CanPage) {
- SelectArguments.StartRowIndex = PageIndex * PageSize;
- SelectArguments.MaximumRows = PageSize;
- if (view.CanRetrieveTotalRowCount)
- SelectArguments.RetrieveTotalRowCount = true;
- }
-
- if (sortExpression != "") {
- if (sortDirection == SortDirection.Ascending)
- SelectArguments.SortExpression = sortExpression;
- else
- SelectArguments.SortExpression = sortExpression + " DESC";
- }
-
+ DataKeyArrayList.Clear ();
cachedKeyProperties = null;
base.DataBind ();
+
+ keys = new DataKeyArray (DataKeyArrayList);
}
- protected override void PerformDataBinding (IEnumerable data)
+ protected internal override void PerformDataBinding (IEnumerable data)
{
base.PerformDataBinding (data);
}
+
+ protected internal virtual void PrepareControlHierarchy ()
+ {
+ if (table == null)
+ return;
+
+ table.Caption = Caption;
+ table.CaptionAlign = CaptionAlign;
+
+ foreach (GridViewRow row in table.Rows) {
+ switch (row.RowType) {
+ case DataControlRowType.Header:
+ if (headerStyle != null && !headerStyle.IsEmpty)
+ row.ControlStyle.CopyFrom(headerStyle);
+ row.Visible = ShowHeader;
+ break;
+ case DataControlRowType.Footer:
+ if (footerStyle != null && !footerStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (footerStyle);
+ row.Visible = ShowFooter;
+ break;
+ case DataControlRowType.Pager:
+ if (pagerStyle != null && !pagerStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (pagerStyle);
+ break;
+ case DataControlRowType.EmptyDataRow:
+ if (emptyDataRowStyle != null && !emptyDataRowStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (emptyDataRowStyle);
+ break;
+ case DataControlRowType.DataRow:
+ if (rowStyle != null && !rowStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (rowStyle);
+ if ((row.RowState & DataControlRowState.Alternate) != 0 && alternatingRowStyle != null && !alternatingRowStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (alternatingRowStyle);
+ if ((row.RowState & DataControlRowState.Selected) != 0 && selectedRowStyle != null && !selectedRowStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (selectedRowStyle);
+ if ((row.RowState & DataControlRowState.Edit) != 0 && editRowStyle != null && !editRowStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (editRowStyle);
+ break;
+ default:
+ break;
+ }
+
+ foreach (TableCell cell in row.Cells) {
+ DataControlFieldCell fcell = cell as DataControlFieldCell;
+ if (fcell != null) {
+ DataControlField field = fcell.ContainingField;
+ switch (row.RowType) {
+ case DataControlRowType.Header:
+ if (field.HeaderStyleCreated && !field.HeaderStyle.IsEmpty)
+ cell.ControlStyle.CopyFrom (field.HeaderStyle);
+ break;
+ case DataControlRowType.Footer:
+ if (field.FooterStyleCreated && !field.FooterStyle.IsEmpty)
+ cell.ControlStyle.CopyFrom (field.FooterStyle);
+ break;
+ default:
+ if (field.ControlStyleCreated && !field.ControlStyle.IsEmpty)
+ foreach (Control c in cell.Controls) {
+ WebControl wc = c as WebControl;
+ if (wc != null)
+ wc.ControlStyle.MergeWith (field.ControlStyle);
+ }
+ if (field.ItemStyleCreated && !field.ItemStyle.IsEmpty)
+ cell.ControlStyle.CopyFrom (field.ItemStyle);
+ break;
+ }
+ }
+ }
+ }
+ }
- protected override void OnInit (EventArgs e)
+ protected internal override void OnInit (EventArgs e)
{
Page.RegisterRequiresControlState (this);
base.OnInit (e);
GridViewCommandEventArgs args = e as GridViewCommandEventArgs;
if (args != null) {
OnRowCommand (args);
- ProcessEvent (args.CommandName, args.CommandArgument as string);
+ string param = args.CommandArgument as string;
+ if (param == null || param.Length == 0) {
+ GridViewRow row = args.Row;
+ if (row != null)
+ param = row.RowIndex.ToString();
+ }
+ ProcessEvent (args.CommandName, param);
+ return true;
}
return base.OnBubbleEvent (source, e);
}
+ void IPostBackEventHandler.RaisePostBackEvent (string eventArgument)
+ {
+ RaisePostBackEvent (eventArgument);
+ }
+
// This is prolly obsolete
protected virtual void RaisePostBackEvent (string eventArgument)
{
{
switch (eventName)
{
- case DataControlCommands.PageCommandName:
- int newIndex = -1;
- switch (param) {
- case DataControlCommands.FirstPageCommandArgument:
- newIndex = 0;
- break;
- case DataControlCommands.LastPageCommandArgument:
- newIndex = PageCount - 1;
- break;
- case DataControlCommands.NextPageCommandArgument:
- if (PageIndex < PageCount - 1) newIndex = PageIndex + 1;
- break;
- case DataControlCommands.PreviousPageCommandArgument:
- if (PageIndex > 0) newIndex = PageIndex - 1;
- break;
- default:
- newIndex = int.Parse (param) - 1;
- break;
- }
- ShowPage (newIndex);
- break;
-
+ case DataControlCommands.PageCommandName:
+ int newIndex = -1;
+ switch (param) {
case DataControlCommands.FirstPageCommandArgument:
- ShowPage (0);
+ newIndex = 0;
break;
-
case DataControlCommands.LastPageCommandArgument:
- ShowPage (PageCount - 1);
+ newIndex = PageCount - 1;
break;
-
case DataControlCommands.NextPageCommandArgument:
- if (PageIndex < PageCount - 1)
- ShowPage (PageIndex + 1);
+ newIndex = PageIndex + 1;
break;
-
case DataControlCommands.PreviousPageCommandArgument:
- if (PageIndex > 0)
- ShowPage (PageIndex - 1);
+ newIndex = PageIndex - 1;
break;
-
- case DataControlCommands.SelectCommandName:
- SelectRow (int.Parse (param));
+ default:
+ int paramIndex = 0;
+ int.TryParse (param, out paramIndex);
+ newIndex = paramIndex - 1;
break;
+ }
+ ShowPage (newIndex);
+ break;
- case DataControlCommands.EditCommandName:
- EditRow (int.Parse (param));
- break;
+ case DataControlCommands.FirstPageCommandArgument:
+ ShowPage (0);
+ break;
+
+ case DataControlCommands.LastPageCommandArgument:
+ ShowPage (PageCount - 1);
+ break;
- case DataControlCommands.UpdateCommandName:
- UpdateRow (EditIndex, true);
- break;
+ case DataControlCommands.NextPageCommandArgument:
+ if (PageIndex < PageCount - 1)
+ ShowPage (PageIndex + 1);
+ break;
+
+ case DataControlCommands.PreviousPageCommandArgument:
+ if (PageIndex > 0)
+ ShowPage (PageIndex - 1);
+ break;
- case DataControlCommands.CancelCommandName:
- CancelEdit ();
- break;
+ case DataControlCommands.SelectCommandName:
+ SelectRow (int.Parse (param));
+ break;
- case DataControlCommands.DeleteCommandName:
- DeleteRow (int.Parse (param));
- break;
+ case DataControlCommands.EditCommandName:
+ EditRow (int.Parse (param));
+ break;
- case DataControlCommands.SortCommandName:
- Sort (param);
- break;
+ case DataControlCommands.UpdateCommandName:
+ UpdateRow (EditIndex, true);
+ break;
+
+ case DataControlCommands.CancelCommandName:
+ CancelEdit ();
+ break;
+
+ case DataControlCommands.DeleteCommandName:
+ DeleteRow (int.Parse (param));
+ break;
+
+ case DataControlCommands.SortCommandName:
+ Sort (param);
+ break;
}
}
void Sort (string newSortExpression)
{
- SortDirection newDirection;
- if (sortExpression == newSortExpression) {
- if (sortDirection == SortDirection.Ascending)
- newDirection = SortDirection.Descending;
- else
- newDirection = SortDirection.Ascending;
- } else
- newDirection = sortDirection;
-
+ SortDirection newDirection = SortDirection.Ascending;
+ if (sortExpression == newSortExpression && sortDirection == SortDirection.Ascending)
+ newDirection = SortDirection.Descending;
+
Sort (newSortExpression, newDirection);
}
- public void Sort (string newSortExpression, SortDirection newSortDirection)
+ public virtual void Sort (string newSortExpression, SortDirection newSortDirection)
{
GridViewSortEventArgs args = new GridViewSortEventArgs (newSortExpression, newSortDirection);
OnSorting (args);
if (args.Cancel) return;
- sortExpression = args.SortExpression;
- sortDirection = args.SortDirection;
- RequireBinding ();
+ if (IsBoundUsingDataSourceID) {
+ EditIndex = -1;
+ PageIndex = 0;
+ SortExpression = args.SortExpression;
+ SortDirection = args.SortDirection;
+ }
OnSorted (EventArgs.Empty);
}
[MonoTODO ("Support two-way binding expressions")]
public virtual void UpdateRow (int rowIndex, bool causesValidation)
{
- if (causesValidation)
+ if (causesValidation && Page != null)
Page.Validate ();
if (rowIndex != EditIndex) throw new NotSupportedException ();
-
- currentEditOldValues = oldEditValues.Values;
+
+ currentEditOldValues = OldEditValues.Values;
GridViewRow row = Rows [rowIndex];
currentEditRowKeys = DataKeys [rowIndex].Values;
OnRowUpdating (args);
if (!args.Cancel) {
DataSourceView view = GetData ();
- if (view == null) throw new HttpException ("The DataSourceView associated to data bound control was null");
- view.Update (currentEditRowKeys, currentEditNewValues, currentEditOldValues, new DataSourceViewOperationCallback (UpdateCallback));
+ if (view == null)
+ throw new HttpException ("The DataSourceView associated to data bound control was null");
+ if(view.CanUpdate)
+ view.Update (currentEditRowKeys, currentEditNewValues, currentEditOldValues, new DataSourceViewOperationCallback (UpdateCallback));
} else
EndRowEdit ();
}
- bool UpdateCallback (int recordsAffected, Exception exception)
+ bool UpdateCallback (int recordsAffected, Exception exception)
{
GridViewUpdatedEventArgs dargs = new GridViewUpdatedEventArgs (recordsAffected, exception, currentEditRowKeys, currentEditOldValues, currentEditNewValues);
OnRowUpdated (dargs);
return dargs.ExceptionHandled;
}
- public void DeleteRow (int rowIndex)
+ public virtual void DeleteRow (int rowIndex)
{
GridViewRow row = Rows [rowIndex];
currentEditRowKeys = DataKeys [rowIndex].Values;
if (!args.Cancel) {
RequireBinding ();
DataSourceView view = GetData ();
- if (view != null)
+ if (view != null && view.CanDelete)
view.Delete (currentEditRowKeys, currentEditNewValues, new DataSourceViewOperationCallback (DeleteCallback));
else {
GridViewDeletedEventArgs dargs = new GridViewDeletedEventArgs (0, null, currentEditRowKeys, currentEditNewValues);
}
}
- bool DeleteCallback (int recordsAffected, Exception exception)
+ bool DeleteCallback (int recordsAffected, Exception exception)
{
GridViewDeletedEventArgs dargs = new GridViewDeletedEventArgs (recordsAffected, exception, currentEditRowKeys, currentEditNewValues);
OnRowDeleted (dargs);
object[] state = (object[]) ob;
base.LoadControlState (state[0]);
pageIndex = (int) state[1];
- pageCount = (int) state[2];
- selectedIndex = (int) state[3];
- editIndex = (int) state[4];
- sortExpression = (string) state[5];
- sortDirection = (SortDirection) state[6];
+ selectedIndex = (int) state[2];
+ editIndex = (int) state[3];
+ sortExpression = (string) state[4];
+ sortDirection = (SortDirection) state[5];
+ DataKeyNames = (string []) state [6];
+ if (state [7] != null)
+ LoadDataKeyArrayState ((object []) state [7]);
+ if (state [8] != null)
+ ((IStateManager) OldEditValues).LoadViewState (state [8]);
}
protected internal override object SaveControlState ()
{
+ if (EnableSortingAndPagingCallbacks) {
+ Page.ClientScript.RegisterHiddenField (ClientID + "_Page", PageIndex.ToString ());
+ Page.ClientScript.RegisterHiddenField (ClientID + "_SortExpression", SortExpression);
+ Page.ClientScript.RegisterHiddenField (ClientID + "_SortDirection", ((int)SortDirection).ToString());
+ }
+
object bstate = base.SaveControlState ();
- return new object[] {
- bstate, pageIndex, pageCount, selectedIndex, editIndex, sortExpression, sortDirection
- };
+ return new object [] {
+ bstate,
+ pageIndex,
+ selectedIndex,
+ editIndex,
+ sortExpression,
+ sortDirection,
+ DataKeyNames,
+ SaveDataKeyArrayState (),
+ (oldEditValues == null ? null : ((IStateManager)oldEditValues).SaveViewState ())
+ };
}
-
+
+ object [] SaveDataKeyArrayState ()
+ {
+ if (keys == null)
+ return null;
+
+ object [] state = new object [keys.Count];
+ for (int i = 0; i < keys.Count; i++) {
+ state [i] = ((IStateManager) keys [i]).SaveViewState ();
+ }
+ return state;
+ }
+
+ void LoadDataKeyArrayState (object [] state)
+ {
+ for (int i = 0; i < state.Length; i++) {
+ DataKey dataKey = new DataKey (new OrderedDictionary (DataKeyNames.Length), DataKeyNames);
+ ((IStateManager) dataKey).LoadViewState (state [i]);
+ DataKeyArrayList.Add (dataKey);
+ }
+ keys = new DataKeyArray (DataKeyArrayList);
+ }
+
protected override void TrackViewState()
{
base.TrackViewState();
protected override object SaveViewState()
{
- object[] states = new object [14];
+ object[] states = new object [12];
states[0] = base.SaveViewState();
states[1] = (columns == null ? null : ((IStateManager)columns).SaveViewState());
states[2] = (pagerSettings == null ? null : ((IStateManager)pagerSettings).SaveViewState());
states[8] = (selectedRowStyle == null ? null : ((IStateManager)selectedRowStyle).SaveViewState());
states[9] = (editRowStyle == null ? null : ((IStateManager)editRowStyle).SaveViewState());
states[10] = (emptyDataRowStyle == null ? null : ((IStateManager)emptyDataRowStyle).SaveViewState());
- states[11] = (keys == null ? null : ((IStateManager)keys).SaveViewState());
- states[12] = (oldEditValues == null ? null : ((IStateManager)oldEditValues).SaveViewState());
if (autoFieldProperties != null) {
object[] data = new object [autoFieldProperties.Length];
data [n] = ((IStateManager)autoFieldProperties [n]).SaveViewState ();
if (data [n] != null) allNull = false;
}
- if (!allNull) states [13] = data;
+ if (!allNull) states [11] = data;
}
for (int i = states.Length - 1; i >= 0; i--) {
object [] states = (object []) savedState;
- if (states[13] != null) {
- object[] data = (object[]) states [13];
+ if (states[11] != null) {
+ object[] data = (object[]) states [11];
autoFieldProperties = new AutoGeneratedFieldProperties [data.Length];
for (int n=0; n<data.Length; n++) {
IStateManager p = new AutoGeneratedFieldProperties ();
}
base.LoadViewState (states[0]);
- EnsureChildControls ();
if (states[1] != null) ((IStateManager)Columns).LoadViewState (states[1]);
if (states[2] != null) ((IStateManager)PagerSettings).LoadViewState (states[2]);
if (states[8] != null) ((IStateManager)SelectedRowStyle).LoadViewState (states[8]);
if (states[9] != null) ((IStateManager)EditRowStyle).LoadViewState (states[9]);
if (states[10] != null) ((IStateManager)EmptyDataRowStyle).LoadViewState (states[10]);
- if (states[11] != null) ((IStateManager)DataKeys).LoadViewState (states[11]);
- if (states[12] != null && oldEditValues != null) ((IStateManager)oldEditValues).LoadViewState (states[12]);
}
- string ICallbackEventHandler.RaiseCallbackEvent (string eventArgs)
+ void ICallbackEventHandler.RaiseCallbackEvent (string eventArgs)
{
- return RaiseCallbackEvent (eventArgs);
+ RaiseCallbackEvent (eventArgs);
}
- protected virtual string RaiseCallbackEvent (string eventArgs)
+ protected virtual void RaiseCallbackEvent (string eventArgs)
{
string[] clientData = eventArgs.Split ('|');
- pageIndex = int.Parse (clientData[0]);
- sortExpression = HttpUtility.UrlDecode (clientData[1]);
- if (sortExpression == "") sortExpression = null;
- RequireBinding ();
+ PageIndex = int.Parse (clientData[0]);
+ SortExpression = HttpUtility.UrlDecode (clientData [1]);
+ SortDirection = (SortDirection) int.Parse (clientData [2]);
- RaisePostBackEvent (clientData[2]);
- EnsureDataBound ();
+ RaisePostBackEvent (clientData[3]);
+ DataBind ();
+ }
+
+ string ICallbackEventHandler.GetCallbackResult ()
+ {
+ return GetCallbackResult ();
+ }
+
+ protected virtual string GetCallbackResult ()
+ {
+ PrepareControlHierarchy ();
StringWriter sw = new StringWriter ();
- sw.Write (PageIndex.ToString() + '|' + SortExpression + '|');
+ sw.Write (PageIndex.ToString () + '|' + SortExpression + '|' + (int) SortDirection + '|');
HtmlTextWriter writer = new HtmlTextWriter (sw);
RenderGrid (writer);
return sw.ToString ();
}
-
+
string ICallbackContainer.GetCallbackScript (IButtonControl control, string argument)
{
return GetCallbackScript (control, argument);
return null;
}
- protected override void OnPreRender (EventArgs e)
+ protected override void OnPagePreLoad (object sender, EventArgs e)
+ {
+ base.OnPagePreLoad (sender, e);
+
+ if (Page.IsPostBack && EnableSortingAndPagingCallbacks) {
+ int page;
+ if (int.TryParse (Page.Request.Form [ClientID + "_Page"], out page))
+ PageIndex = page;
+ int dir;
+ if (int.TryParse (Page.Request.Form [ClientID + "_SortDirection"], out dir))
+ SortDirection = (SortDirection) dir;
+ SortExpression = Page.Request.Form [ClientID + "_SortExpression"];
+ }
+ }
+
+ protected internal override void OnPreRender (EventArgs e)
{
base.OnPreRender (e);
string script = string.Format ("var {0} = new Object ();\n", cgrid);
script += string.Format ("{0}.pageIndex = {1};\n", cgrid, ClientScriptManager.GetScriptLiteral (PageIndex));
script += string.Format ("{0}.sortExp = {1};\n", cgrid, ClientScriptManager.GetScriptLiteral (SortExpression == null ? "" : SortExpression));
+ script += string.Format ("{0}.sortDir = {1};\n", cgrid, ClientScriptManager.GetScriptLiteral ((int) SortDirection));
script += string.Format ("{0}.uid = {1};\n", cgrid, ClientScriptManager.GetScriptLiteral (UniqueID));
Page.ClientScript.RegisterStartupScript (typeof(TreeView), this.UniqueID, script, true);
// Make sure the basic script infrastructure is rendered
- Page.ClientScript.GetCallbackEventReference (this, "null", "", "null");
+ Page.ClientScript.GetCallbackEventReference (this, "null", "", "null");
Page.ClientScript.GetPostBackClientHyperlink (this, "");
}
}
-
- protected override void Render (HtmlTextWriter writer)
+
+ protected internal override void Render (HtmlTextWriter writer)
{
+ PrepareControlHierarchy ();
+
if (EnableSortingAndPagingCallbacks)
- base.RenderBeginTag (writer);
+ writer.AddAttribute (HtmlTextWriterAttribute.Id, ClientID);
+ writer.RenderBeginTag (HtmlTextWriterTag.Div);
RenderGrid (writer);
-
- if (EnableSortingAndPagingCallbacks)
- base.RenderEndTag (writer);
+
+ writer.RenderEndTag ();
}
void RenderGrid (HtmlTextWriter writer)
{
- switch (GridLines) {
- case GridLines.Horizontal:
- writer.AddAttribute (HtmlTextWriterAttribute.Rules, "rows");
- writer.AddAttribute (HtmlTextWriterAttribute.Border, "1");
- break;
- case GridLines.Vertical:
- writer.AddAttribute (HtmlTextWriterAttribute.Rules, "cols");
- writer.AddAttribute (HtmlTextWriterAttribute.Border, "1");
- break;
- case GridLines.Both:
- writer.AddAttribute (HtmlTextWriterAttribute.Rules, "all");
- writer.AddAttribute (HtmlTextWriterAttribute.Border, "1");
- break;
- default:
- writer.AddAttribute (HtmlTextWriterAttribute.Border, "0");
- break;
- }
+ if (table == null)
+ return;
+
+ table.Render (writer);
+ }
+
+ PostBackOptions IPostBackContainer.GetPostBackOptions (IButtonControl control)
+ {
+ if (control == null)
+ throw new ArgumentNullException ("control");
- writer.AddAttribute (HtmlTextWriterAttribute.Cellspacing, "0");
- writer.AddStyleAttribute (HtmlTextWriterStyle.BorderCollapse, "collapse");
- table.RenderBeginTag (writer);
+ if (control.CausesValidation)
+ throw new InvalidOperationException ("A button that causes validation in GridView '" + ID + "' is attempting to use the container GridView as the post back target. The button should either turn off validation or use itself as the post back container.");
- foreach (GridViewRow row in table.Rows)
- {
- switch (row.RowType) {
- case DataControlRowType.Header:
- if (headerStyle != null)headerStyle.AddAttributesToRender (writer, row);
- break;
- case DataControlRowType.Footer:
- if (footerStyle != null) footerStyle.AddAttributesToRender (writer, row);
- break;
- case DataControlRowType.Pager:
- if (pagerStyle != null) pagerStyle.AddAttributesToRender (writer, row);
- break;
- case DataControlRowType.EmptyDataRow:
- if (emptyDataRowStyle != null) emptyDataRowStyle.AddAttributesToRender (writer, row);
- break;
- default:
- if (rowStyle != null) rowStyle.AddAttributesToRender (writer, row);
- break;
- }
+ PostBackOptions options = new PostBackOptions (this);
+ options.Argument = control.CommandName + "$" + control.CommandArgument;
+ options.RequiresJavaScriptProtocol = true;
- if ((row.RowState & DataControlRowState.Alternate) != 0 && alternatingRowStyle != null)
- alternatingRowStyle.AddAttributesToRender (writer, row);
- if ((row.RowState & DataControlRowState.Edit) != 0 && editRowStyle != null)
- editRowStyle.AddAttributesToRender (writer, row);
- if ((row.RowState & DataControlRowState.Selected) != 0 && selectedRowStyle != null)
- selectedRowStyle.AddAttributesToRender (writer, row);
-
- row.RenderBeginTag (writer);
-
- foreach (TableCell cell in row.Cells) {
- DataControlFieldCell fcell = cell as DataControlFieldCell;
- if (fcell != null) {
- Style cellStyle = null;
- switch (row.RowType) {
- case DataControlRowType.Header: cellStyle = fcell.ContainingField.HeaderStyle; break;
- case DataControlRowType.Footer: cellStyle = fcell.ContainingField.FooterStyle; break;
- default: cellStyle = fcell.ContainingField.ItemStyle; break;
- }
- if (cellStyle != null)
- cellStyle.AddAttributesToRender (writer, cell);
- }
- cell.Render (writer);
- }
- row.RenderEndTag (writer);
- }
- table.RenderEndTag (writer);
+ return options;
}
}
}
projects / mono.git / blobdiff