[DefaultEventAttribute ("SelectedIndexChanged")]
[AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
- public class GridView: CompositeDataBoundControl, ICallbackEventHandler, ICallbackContainer, IPostBackEventHandler, IPostBackContainer
+ public class GridView: CompositeDataBoundControl, ICallbackEventHandler, ICallbackContainer, IPostBackEventHandler, IPostBackContainer, IPersistedSelector
{
Table table;
GridViewRowCollection rows;
AutoGeneratedFieldProperties[] autoFieldProperties;
string [] dataKeyNames = null;
readonly string[] emptyKeys = new string[0];
-
- private static readonly object PageIndexChangedEvent = new object();
- private static readonly object PageIndexChangingEvent = new object();
- private static readonly object RowCancelingEditEvent = new object();
- private static readonly object RowCommandEvent = new object();
- private static readonly object RowCreatedEvent = new object();
- private static readonly object RowDataBoundEvent = new object();
- private static readonly object RowDeletedEvent = new object();
- private static readonly object RowDeletingEvent = new object();
- private static readonly object RowEditingEvent = new object();
- private static readonly object RowUpdatedEvent = new object();
- private static readonly object RowUpdatingEvent = new object();
- private static readonly object SelectedIndexChangedEvent = new object();
- private static readonly object SelectedIndexChangingEvent = new object();
- private static readonly object SortedEvent = new object();
- private static readonly object SortingEvent = new object();
+ IEnumerator _dataEnumerator;
+
+ static readonly object PageIndexChangedEvent = new object();
+ static readonly object PageIndexChangingEvent = new object();
+ static readonly object RowCancelingEditEvent = new object();
+ static readonly object RowCommandEvent = new object();
+ static readonly object RowCreatedEvent = new object();
+ static readonly object RowDataBoundEvent = new object();
+ static readonly object RowDeletedEvent = new object();
+ static readonly object RowDeletingEvent = new object();
+ static readonly object RowEditingEvent = new object();
+ static readonly object RowUpdatedEvent = new object();
+ static readonly object RowUpdatingEvent = new object();
+ static readonly object SelectedIndexChangedEvent = new object();
+ static readonly object SelectedIndexChangingEvent = new object();
+ static readonly object SortedEvent = new object();
+ static readonly object SortingEvent = new object();
// Control state
int pageIndex;
return false;
}
set {
+ if (value == AllowPaging)
+ return;
ViewState ["AllowPaging"] = value;
RequireBinding ();
}
return false;
}
set {
+ if (value == AllowSorting)
+ return;
ViewState ["AllowSorting"] = value;
RequireBinding ();
}
return false;
}
set {
+ if (value == AutoGenerateEditButton)
+ return;
ViewState ["AutoGenerateEditButton"] = value;
RequireBinding ();
}
return false;
}
set {
+ if (value == AutoGenerateDeleteButton)
+ return;
ViewState ["AutoGenerateDeleteButton"] = value;
RequireBinding ();
}
return false;
}
set {
+ if (value == AutoGenerateSelectButton)
+ return;
ViewState ["AutoGenerateSelectButton"] = value;
RequireBinding ();
}
return true;
}
set {
+ if (value == AutoGenerateColumns)
+ return;
ViewState ["AutoGenerateColumns"] = value;
RequireBinding ();
}
}
set {
ViewState ["Caption"] = value;
- RequireBinding ();
}
}
}
set {
ViewState ["CaptionAlign"] = value;
- RequireBinding ();
}
}
}
}
+ [BrowsableAttribute(false)]
+ public IAutoFieldGenerator ColumnsGenerator {
+ get;
+ set;
+ }
+
[DefaultValueAttribute (null)]
[WebCategoryAttribute ("Data")]
[TypeConverter (typeof(StringArrayConverter))]
[Browsable (false)]
public virtual ITemplate EmptyDataTemplate {
get { return emptyDataTemplate; }
- set { emptyDataTemplate = value; RequireBinding (); }
+ set { emptyDataTemplate = value; }
}
[LocalizableAttribute (true)]
return string.Empty;
}
set {
+ if (value == EmptyDataText)
+ return;
ViewState ["EmptyDataText"] = value;
RequireBinding ();
}
return false;
}
set {
+ if (value == EnableSortingAndPagingCallbacks)
+ return;
ViewState ["EnableSortingAndPagingCallbacks"] = value;
RequireBinding ();
}
return 10;
}
set {
+ if (value == PageSize)
+ return;
ViewState ["PageSize"] = value;
RequireBinding ();
}
[Browsable (false)]
public virtual ITemplate PagerTemplate {
get { return pagerTemplate; }
- set { pagerTemplate = value; RequireBinding (); }
+ set { pagerTemplate = value; }
}
[DefaultValueAttribute ("")]
return string.Empty;
}
set {
+ if (value == RowHeaderColumn)
+ return;
ViewState ["RowHeaderColumn"] = value;
RequireBinding ();
}
return null;
}
}
+
+ [MonoTODO]
+ [BrowsableAttribute(false)]
+ public virtual DataKey SelectedPersistedDataKey {
+ get; set;
+ }
+
+ [MonoTODO]
+ DataKey IPersistedSelector.DataKey {
+ get { return SelectedPersistedDataKey; }
+ set { SelectedPersistedDataKey = value; }
+ }
[BindableAttribute (true)]
[DefaultValueAttribute (-1)]
return false;
}
set {
+ if (value == ShowFooter)
+ return;
ViewState ["ShowFooter"] = value;
RequireBinding ();
}
return true;
}
set {
+ if (value == ShowHeader)
+ return;
ViewState ["ShowHeader"] = value;
RequireBinding ();
}
return true;
}
set {
+ if (value == UseAccessibleHeader)
+ return;
ViewState ["UseAccessibleHeader"] = value;
RequireBinding ();
}
protected virtual ICollection CreateColumns (PagedDataSource dataSource, bool useDataSource)
{
+ bool autoGenerate = AutoGenerateColumns;
+
+ if (autoGenerate) {
+ IAutoFieldGenerator fieldGenerator = ColumnsGenerator;
+ if (fieldGenerator != null)
+ return fieldGenerator.GenerateFields (this);
+ }
+
ArrayList fields = new ArrayList ();
if (AutoGenerateEditButton || AutoGenerateDeleteButton || AutoGenerateSelectButton) {
fields.AddRange (Columns);
- if (AutoGenerateColumns) {
+ if (autoGenerate) {
if (useDataSource)
autoFieldProperties = CreateAutoFieldProperties (dataSource);
if (prop_type == null || prop_type == typeof(object)) {
IEnumerator en = source.GetEnumerator();
- if (en.MoveNext())
+ if (en != null && en.MoveNext ()) {
fitem = en.Current;
+ _dataEnumerator = en;
+ }
if (fitem != null)
prop_type = fitem.GetType();
}
Controls.Clear ();
table = null;
rows = null;
-
+
if (data == null) {
return 0;
}
if (AllowPaging) {
dataSource.AllowPaging = true;
dataSource.PageSize = PageSize;
- dataSource.CurrentPageIndex = PageIndex;
if (view.CanPage) {
dataSource.AllowServerPaging = true;
if (SelectArguments.RetrieveTotalRowCount)
dataSource.VirtualCount = SelectArguments.TotalRowCount;
}
+ if (PageIndex >= dataSource.PageCount)
+ pageIndex = dataSource.PageCount - 1;
+ dataSource.CurrentPageIndex = PageIndex;
}
PageCount = dataSource.PageCount;
}
}
- bool showPager = AllowPaging && (PageCount > 1);
-
+ bool createPager = AllowPaging && (PageCount >= 1) && PagerSettings.Visible;
+
ArrayList list = new ArrayList ();
// Creates the set of fields to show
-
+
+ _dataEnumerator = null;
ICollection fieldCollection = CreateColumns (dataSource, dataBinding);
- DataControlField[] fields = new DataControlField [fieldCollection.Count];
+ int fieldCount = fieldCollection.Count;
+ DataControlField dcf;
+ DataControlField[] fields = new DataControlField [fieldCount];
fieldCollection.CopyTo (fields, 0);
-
- foreach (DataControlField field in fields) {
- field.Initialize (AllowSorting, this);
+
+ for (int i = 0; i < fieldCount; i++) {
+ dcf = fields [i];
+ dcf.Initialize (AllowSorting, this);
if (EnableSortingAndPagingCallbacks)
- field.ValidateSupportsCallback ();
+ dcf.ValidateSupportsCallback ();
+ }
+
+ bool skip_first = false;
+ IEnumerator enumerator;
+ if (_dataEnumerator != null) {
+ // replaced when creating bound columns
+ enumerator = _dataEnumerator;
+ skip_first = true;
+ }
+ else {
+ enumerator = dataSource.GetEnumerator ();
}
// Main table creation
- foreach (object obj in dataSource) {
+ Table mainTable = ContainedTable;
+ while (skip_first || enumerator.MoveNext ()) {
+ skip_first = false;
+ object obj = enumerator.Current;
if (list.Count == 0) {
- if (showPager && PagerSettings.Position == PagerPosition.Top || PagerSettings.Position == PagerPosition.TopAndBottom) {
- topPagerRow = CreatePagerRow (fields.Length, dataSource);
+ if (createPager && (PagerSettings.Position == PagerPosition.Top || PagerSettings.Position == PagerPosition.TopAndBottom)) {
+ topPagerRow = CreatePagerRow (fieldCount, dataSource);
OnRowCreated (new GridViewRowEventArgs (topPagerRow));
- ContainedTable.Rows.Add (topPagerRow);
+ mainTable.Rows.Add (topPagerRow);
if (dataBinding) {
topPagerRow.DataBind ();
OnRowDataBound (new GridViewRowEventArgs (topPagerRow));
}
+ if (PageCount == 1)
+ topPagerRow.Visible = false;
}
GridViewRow headerRow = CreateRow (-1, -1, DataControlRowType.Header, DataControlRowState.Normal);
InitializeRow (headerRow, fields);
OnRowCreated (new GridViewRowEventArgs (headerRow));
- ContainedTable.Rows.Add (headerRow);
+ mainTable.Rows.Add (headerRow);
if (dataBinding) {
headerRow.DataBind ();
OnRowDataBound (new GridViewRowEventArgs (headerRow));
list.Add (row);
InitializeRow (row, fields);
OnRowCreated (new GridViewRowEventArgs (row));
- ContainedTable.Rows.Add (row);
+ mainTable.Rows.Add (row);
if (dataBinding) {
- row.DataBind ();
- OnRowDataBound (new GridViewRowEventArgs (row));
+ row.DataBind ();
if (EditIndex == row.RowIndex)
oldEditValues = new DataKey (GetRowValues (row, true, true));
DataKeyArrayList.Add (new DataKey (CreateRowDataKey (row), DataKeyNames));
+ OnRowDataBound (new GridViewRowEventArgs (row));
}
}
if (list.Count == 0) {
- GridViewRow emptyRow = CreateEmptyrRow (fields.Length);
+ GridViewRow emptyRow = CreateEmptyrRow (fieldCount);
if (emptyRow != null) {
OnRowCreated (new GridViewRowEventArgs (emptyRow));
- ContainedTable.Rows.Add (emptyRow);
+ mainTable.Rows.Add (emptyRow);
if (dataBinding) {
emptyRow.DataBind ();
OnRowDataBound (new GridViewRowEventArgs (emptyRow));
GridViewRow footerRow = CreateRow (-1, -1, DataControlRowType.Footer, DataControlRowState.Normal);
InitializeRow (footerRow, fields);
OnRowCreated (new GridViewRowEventArgs (footerRow));
- ContainedTable.Rows.Add (footerRow);
+ mainTable.Rows.Add (footerRow);
if (dataBinding) {
footerRow.DataBind ();
OnRowDataBound (new GridViewRowEventArgs (footerRow));
}
- if (showPager && PagerSettings.Position == PagerPosition.Bottom || PagerSettings.Position == PagerPosition.TopAndBottom) {
- bottomPagerRow = CreatePagerRow (fields.Length, dataSource);
+ if (createPager && (PagerSettings.Position == PagerPosition.Bottom || PagerSettings.Position == PagerPosition.TopAndBottom)) {
+ bottomPagerRow = CreatePagerRow (fieldCount, dataSource);
OnRowCreated (new GridViewRowEventArgs (bottomPagerRow));
- ContainedTable.Rows.Add (bottomPagerRow);
+ mainTable.Rows.Add (bottomPagerRow);
if (dataBinding) {
bottomPagerRow.DataBind ();
OnRowDataBound (new GridViewRowEventArgs (bottomPagerRow));
}
+ if (PageCount == 1)
+ bottomPagerRow.Visible = false;
}
}
for (int n=0; n<fields.Length; n++) {
DataControlField field = fields [n];
+
DataControlFieldCell cell;
if (((field is BoundField) && ((BoundField)field).DataField == RowHeaderColumn) || accessibleHeader)
cell = new DataControlFieldHeaderCell (field, accessibleHeader ? TableHeaderScope.Column : TableHeaderScope.Row);
protected virtual void ExtractRowValues (IOrderedDictionary fieldValues, GridViewRow row, bool includeReadOnlyFields, bool includePrimaryKey)
{
+ DataControlField field;
foreach (TableCell cell in row.Cells) {
DataControlFieldCell c = cell as DataControlFieldCell;
- if (c != null)
- c.ContainingField.ExtractValuesFromCell (fieldValues, c, row.RowState, includeReadOnlyFields);
+ if (c == null)
+ continue;
+
+ field = c.ContainingField;
+ if (field != null && !field.Visible)
+ continue;
+
+ c.ContainingField.ExtractValuesFromCell (fieldValues, c, row.RowState, includeReadOnlyFields);
}
if (!includePrimaryKey && DataKeyNames != null)
foreach (string key in DataKeyNames)
base.DataBind ();
keys = new DataKeyArray (DataKeyArrayList);
+
+ GridViewRow row = HeaderRow;
+ if (row != null)
+ row.Visible = ShowHeader;
+
+ row = FooterRow;
+ if (row != null)
+ row.Visible = ShowFooter;
}
protected internal override void PerformDataBinding (IEnumerable data)
{
if (table == null)
return;
-
+
table.Caption = Caption;
table.CaptionAlign = CaptionAlign;
+ table.CopyBaseAttributes (this);
foreach (GridViewRow row in table.Rows) {
switch (row.RowType) {
DataControlFieldCell fcell = cell as DataControlFieldCell;
if (fcell != null) {
DataControlField field = fcell.ContainingField;
+ if (field == null)
+ continue;
+ if (!field.Visible) {
+ cell.Visible = false;
+ continue;
+ }
+
switch (row.RowType) {
case DataControlRowType.Header:
if (field.HeaderStyleCreated && !field.HeaderStyle.IsEmpty)
void IPostBackEventHandler.RaisePostBackEvent (string eventArgument)
{
+ ValidateEvent (UniqueID, eventArgument);
RaisePostBackEvent (eventArgument);
}
if (causesValidation && Page != null && !Page.IsValid)
return;
- currentEditOldValues = OldEditValues.Values;
-
- currentEditRowKeys = DataKeys [rowIndex].Values;
+ currentEditOldValues = CopyOrderedDictionary (OldEditValues.Values);
+ currentEditRowKeys = CopyOrderedDictionary (DataKeys [rowIndex].Values);
currentEditNewValues = GetRowValues (row, false, false);
GridViewUpdateEventArgs args = new GridViewUpdateEventArgs (rowIndex, currentEditRowKeys, currentEditOldValues, currentEditNewValues);
view.Update (currentEditRowKeys, currentEditNewValues, currentEditOldValues, new DataSourceViewOperationCallback (UpdateCallback));
}
+ static IOrderedDictionary CopyOrderedDictionary (IOrderedDictionary sourceDic) {
+ OrderedDictionary copyDic = new OrderedDictionary ();
+ foreach (object key in sourceDic.Keys) {
+ copyDic.Add (key, sourceDic [key]);
+ }
+ return copyDic;
+ }
+
bool UpdateCallback (int recordsAffected, Exception exception)
{
GridViewUpdatedEventArgs dargs = new GridViewUpdatedEventArgs (recordsAffected, exception, currentEditRowKeys, currentEditOldValues, currentEditNewValues);
public virtual void DeleteRow (int rowIndex)
{
GridViewRow row = Rows [rowIndex];
- currentEditRowKeys = DataKeys [rowIndex].Values;
+ currentEditRowKeys = CopyOrderedDictionary (DataKeys [rowIndex].Values);
currentEditNewValues = GetRowValues (row, true, true);
GridViewDeleteEventArgs args = new GridViewDeleteEventArgs (rowIndex, currentEditRowKeys, currentEditNewValues);
protected virtual string GetCallbackScript (IButtonControl control, string argument)
{
- if (EnableSortingAndPagingCallbacks)
+ if (EnableSortingAndPagingCallbacks) {
+ Page page = Page;
+ if (page != null)
+ page.ClientScript.RegisterForEventValidation (UniqueID, argument);
return "javascript:GridView_ClientEvent (\"" + ClientID + "\",\"" + control.CommandName + "$" + control.CommandArgument + "\"); return false;";
- else
+ } else
return null;
}
SortExpression = Page.Request.Form [ClientID + "_SortExpression"];
}
}
-
+
+
+ const string onPreRenderScript = @"var {0} = new Object ();
+{0}.pageIndex = {1};
+{0}.sortExp = {2};
+{0}.sortDir = {3};
+{0}.uid = {4};
+{0}.form = {5};
+";
protected internal override void OnPreRender (EventArgs e)
{
base.OnPreRender (e);
-
- if (EnableSortingAndPagingCallbacks)
- {
+
+ if (EnableSortingAndPagingCallbacks) {
if (!Page.ClientScript.IsClientScriptIncludeRegistered (typeof(GridView), "GridView.js")) {
string url = Page.ClientScript.GetWebResourceUrl (typeof(GridView), "GridView.js");
Page.ClientScript.RegisterClientScriptInclude (typeof(GridView), "GridView.js", url);
}
string cgrid = ClientID + "_data";
- 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));
- script += string.Format ("{0}.form = {1};\n", cgrid, Page.theForm);
+ string script = String.Format (onPreRenderScript,
+ cgrid,
+ ClientScriptManager.GetScriptLiteral (PageIndex),
+ ClientScriptManager.GetScriptLiteral (SortExpression == null ? "" : SortExpression),
+ ClientScriptManager.GetScriptLiteral ((int) SortDirection),
+ ClientScriptManager.GetScriptLiteral (UniqueID),
+ Page.theForm);
+
Page.ClientScript.RegisterStartupScript (typeof(TreeView), this.UniqueID, script, true);
// Make sure the basic script infrastructure is rendered
Page.ClientScript.GetPostBackClientHyperlink (this, "");
}
}
-
+
protected internal override void Render (HtmlTextWriter writer)
{
PrepareControlHierarchy ();
-
if (EnableSortingAndPagingCallbacks)
writer.AddAttribute (HtmlTextWriterAttribute.Id, ClientID + "_div");
writer.RenderBeginTag (HtmlTextWriterTag.Div);
projects / mono.git / blobdiff