/mcs/class/System.Web/System.Web.UI.WebControls/DetailsView.cs
C# | 2038 lines | 1747 code | 257 blank | 34 comment | 467 complexity | 89c30ce0d52de655798c10528cab76db MD5 | raw file
Possible License(s): Unlicense, Apache-2.0, LGPL-2.0, MPL-2.0-no-copyleft-exception, CC-BY-SA-3.0, GPL-2.0
- //
- // System.Web.UI.WebControls.DetailsView.cs
- //
- // Authors:
- // Lluis Sanchez Gual (lluis@novell.com)
- //
- // (C) 2005-2010 Novell, Inc (http://www.novell.com)
- //
- // Permission is hereby granted, free of charge, to any person obtaining
- // a copy of this software and associated documentation files (the
- // "Software"), to deal in the Software without restriction, including
- // without limitation the rights to use, copy, modify, merge, publish,
- // distribute, sublicense, and/or sell copies of the Software, and to
- // permit persons to whom the Software is furnished to do so, subject to
- // the following conditions:
- //
- // The above copyright notice and this permission notice shall be
- // included in all copies or substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- //
- using System;
- using System.Collections;
- using System.Collections.Specialized;
- using System.ComponentModel;
- using System.Web.UI;
- using System.Security.Permissions;
- using System.Text;
- using System.IO;
- using System.Reflection;
- namespace System.Web.UI.WebControls
- {
- [SupportsEventValidation]
- [ToolboxDataAttribute ("<{0}:DetailsView runat=\"server\" Width=\"125px\" Height=\"50px\"></{0}:DetailsView>")]
- [DesignerAttribute ("System.Web.UI.Design.WebControls.DetailsViewDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
- [ControlValuePropertyAttribute ("SelectedValue")]
- [DefaultEventAttribute ("PageIndexChanging")]
- #if NET_4_0
- [DataKeyProperty ("DataKey")]
- #endif
- [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
- [AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
- public class DetailsView: CompositeDataBoundControl, ICallbackEventHandler, ICallbackContainer, IDataItemContainer, INamingContainer, IPostBackEventHandler, IPostBackContainer
- #if NET_4_0
- , IDataBoundItemControl, IDataBoundControl, IFieldControl
- #endif
- {
- object dataItem;
-
- Table table;
- DetailsViewRowCollection rows;
- DetailsViewRow headerRow;
- DetailsViewRow footerRow;
- DetailsViewRow bottomPagerRow;
- DetailsViewRow topPagerRow;
-
- IOrderedDictionary currentEditRowKeys;
- IOrderedDictionary currentEditNewValues;
- IOrderedDictionary currentEditOldValues;
-
- ITemplate pagerTemplate;
- ITemplate emptyDataTemplate;
- ITemplate headerTemplate;
- ITemplate footerTemplate;
-
- PropertyDescriptor[] cachedKeyProperties;
- readonly string[] emptyKeys = new string[0];
- readonly string unhandledEventExceptionMessage = "The DetailsView '{0}' fired event {1} which wasn't handled.";
-
- // View state
- DataControlFieldCollection columns;
- PagerSettings pagerSettings;
-
- TableItemStyle alternatingRowStyle;
- TableItemStyle editRowStyle;
- TableItemStyle insertRowStyle;
- TableItemStyle emptyDataRowStyle;
- TableItemStyle footerStyle;
- TableItemStyle headerStyle;
- TableItemStyle pagerStyle;
- TableItemStyle rowStyle;
- TableItemStyle commandRowStyle;
- TableItemStyle fieldHeaderStyle;
-
- IOrderedDictionary _keyTable;
- DataKey key;
- DataKey oldEditValues;
- AutoGeneratedFieldProperties[] autoFieldProperties;
-
- static readonly object PageIndexChangedEvent = new object();
- static readonly object PageIndexChangingEvent = new object();
- static readonly object ItemCommandEvent = new object();
- static readonly object ItemCreatedEvent = new object();
- static readonly object ItemDeletedEvent = new object();
- static readonly object ItemDeletingEvent = new object();
- static readonly object ItemInsertedEvent = new object();
- static readonly object ItemInsertingEvent = new object();
- static readonly object ModeChangingEvent = new object();
- static readonly object ModeChangedEvent = new object();
- static readonly object ItemUpdatedEvent = new object();
- static readonly object ItemUpdatingEvent = new object();
-
- // Control state
- int pageIndex;
- DetailsViewMode currentMode = DetailsViewMode.ReadOnly;
- bool hasCurrentMode;
- int pageCount;
-
- public DetailsView ()
- {
- rows = new DetailsViewRowCollection (new ArrayList ());
- }
-
- public event EventHandler PageIndexChanged {
- add { Events.AddHandler (PageIndexChangedEvent, value); }
- remove { Events.RemoveHandler (PageIndexChangedEvent, value); }
- }
-
- public event DetailsViewPageEventHandler PageIndexChanging {
- add { Events.AddHandler (PageIndexChangingEvent, value); }
- remove { Events.RemoveHandler (PageIndexChangingEvent, value); }
- }
-
- public event DetailsViewCommandEventHandler ItemCommand {
- add { Events.AddHandler (ItemCommandEvent, value); }
- remove { Events.RemoveHandler (ItemCommandEvent, value); }
- }
-
- public event EventHandler ItemCreated {
- add { Events.AddHandler (ItemCreatedEvent, value); }
- remove { Events.RemoveHandler (ItemCreatedEvent, value); }
- }
-
- public event DetailsViewDeletedEventHandler ItemDeleted {
- add { Events.AddHandler (ItemDeletedEvent, value); }
- remove { Events.RemoveHandler (ItemDeletedEvent, value); }
- }
-
- public event DetailsViewDeleteEventHandler ItemDeleting {
- add { Events.AddHandler (ItemDeletingEvent, value); }
- remove { Events.RemoveHandler (ItemDeletingEvent, value); }
- }
-
- public event DetailsViewInsertedEventHandler ItemInserted {
- add { Events.AddHandler (ItemInsertedEvent, value); }
- remove { Events.RemoveHandler (ItemInsertedEvent, value); }
- }
-
- public event DetailsViewInsertEventHandler ItemInserting {
- add { Events.AddHandler (ItemInsertingEvent, value); }
- remove { Events.RemoveHandler (ItemInsertingEvent, value); }
- }
-
- public event DetailsViewModeEventHandler ModeChanging {
- add { Events.AddHandler (ModeChangingEvent, value); }
- remove { Events.RemoveHandler (ModeChangingEvent, value); }
- }
-
- public event EventHandler ModeChanged {
- add { Events.AddHandler (ModeChangedEvent, value); }
- remove { Events.RemoveHandler (ModeChangedEvent, value); }
- }
-
- public event DetailsViewUpdatedEventHandler ItemUpdated {
- add { Events.AddHandler (ItemUpdatedEvent, value); }
- remove { Events.RemoveHandler (ItemUpdatedEvent, value); }
- }
-
- public event DetailsViewUpdateEventHandler ItemUpdating {
- add { Events.AddHandler (ItemUpdatingEvent, value); }
- remove { Events.RemoveHandler (ItemUpdatingEvent, value); }
- }
-
- protected virtual void OnPageIndexChanged (EventArgs e)
- {
- if (Events != null) {
- EventHandler eh = (EventHandler) Events [PageIndexChangedEvent];
- if (eh != null) eh (this, e);
- }
- }
-
- protected virtual void OnPageIndexChanging (DetailsViewPageEventArgs e)
- {
- if (Events != null) {
- DetailsViewPageEventHandler eh = (DetailsViewPageEventHandler) Events [PageIndexChangingEvent];
- if (eh != null) {
- eh (this, e);
- return;
- }
- }
- if (!IsBoundUsingDataSourceID)
- throw new HttpException (String.Format (unhandledEventExceptionMessage, ID, "PageIndexChanging"));
- }
-
- protected virtual void OnItemCommand (DetailsViewCommandEventArgs e)
- {
- if (Events != null) {
- DetailsViewCommandEventHandler eh = (DetailsViewCommandEventHandler) Events [ItemCommandEvent];
- if (eh != null) eh (this, e);
- }
- }
-
- protected virtual void OnItemCreated (EventArgs e)
- {
- if (Events != null) {
- EventHandler eh = (EventHandler) Events [ItemCreatedEvent];
- if (eh != null) eh (this, e);
- }
- }
-
- protected virtual void OnItemDeleted (DetailsViewDeletedEventArgs e)
- {
- if (Events != null) {
- DetailsViewDeletedEventHandler eh = (DetailsViewDeletedEventHandler) Events [ItemDeletedEvent];
- if (eh != null) eh (this, e);
- }
- }
-
- protected virtual void OnItemInserted (DetailsViewInsertedEventArgs e)
- {
- if (Events != null) {
- DetailsViewInsertedEventHandler eh = (DetailsViewInsertedEventHandler) Events [ItemInsertedEvent];
- if (eh != null) eh (this, e);
- }
- }
-
- protected virtual void OnItemInserting (DetailsViewInsertEventArgs e)
- {
- if (Events != null) {
- DetailsViewInsertEventHandler eh = (DetailsViewInsertEventHandler) Events [ItemInsertingEvent];
- if (eh != null) {
- eh (this, e);
- return;
- }
- }
- if (!IsBoundUsingDataSourceID)
- throw new HttpException (String.Format (unhandledEventExceptionMessage, ID, "ItemInserting"));
- }
-
- protected virtual void OnItemDeleting (DetailsViewDeleteEventArgs e)
- {
- if (Events != null) {
- DetailsViewDeleteEventHandler eh = (DetailsViewDeleteEventHandler) Events [ItemDeletingEvent];
- if (eh != null) {
- eh (this, e);
- return;
- }
- }
- if (!IsBoundUsingDataSourceID)
- throw new HttpException (String.Format (unhandledEventExceptionMessage, ID, "ItemDeleting"));
- }
-
- protected virtual void OnModeChanged (EventArgs e)
- {
- if (Events != null) {
- EventHandler eh = (EventHandler) Events [ModeChangedEvent];
- if (eh != null) eh (this, e);
- }
- }
-
- protected virtual void OnModeChanging (DetailsViewModeEventArgs e)
- {
- if (Events != null) {
- DetailsViewModeEventHandler eh = (DetailsViewModeEventHandler) Events [ModeChangingEvent];
- if (eh != null) {
- eh (this, e);
- return;
- }
- }
- if (!IsBoundUsingDataSourceID)
- throw new HttpException (String.Format (unhandledEventExceptionMessage, ID, "ModeChanging"));
- }
-
- protected virtual void OnItemUpdated (DetailsViewUpdatedEventArgs e)
- {
- if (Events != null) {
- DetailsViewUpdatedEventHandler eh = (DetailsViewUpdatedEventHandler) Events [ItemUpdatedEvent];
- if (eh != null) eh (this, e);
- }
- }
-
- protected virtual void OnItemUpdating (DetailsViewUpdateEventArgs e)
- {
- if (Events != null) {
- DetailsViewUpdateEventHandler eh = (DetailsViewUpdateEventHandler) Events [ItemUpdatingEvent];
- if (eh != null) {
- eh (this, e);
- return;
- }
- }
- if (!IsBoundUsingDataSourceID)
- throw new HttpException (String.Format (unhandledEventExceptionMessage, ID, "ItemUpdating"));
- }
-
- #if NET_4_0
- DataBoundControlMode IDataBoundItemControl.Mode {
- get {
- switch (CurrentMode) {
- case DetailsViewMode.ReadOnly:
- return DataBoundControlMode.ReadOnly;
- case DetailsViewMode.Edit:
- return DataBoundControlMode.Edit;
- case DetailsViewMode.Insert:
- return DataBoundControlMode.Insert;
- default:
- throw new InvalidOperationException (String.Format ("Unsupported CurrentMode value '{0}'", CurrentMode));
- }
- }
- }
- IDataSource IDataBoundControl.DataSourceObject {
- get { return base.DataSourceObject; }
- }
- IAutoFieldGenerator IFieldControl.FieldsGenerator {
- get {
- throw new NotImplementedException ();
- }
-
- set {
- throw new NotImplementedException ();
- }
- }
- #endif
- [WebCategoryAttribute ("Paging")]
- [DefaultValueAttribute (false)]
- public virtual bool AllowPaging {
- get {
- object ob = ViewState ["AllowPaging"];
- if (ob != null)
- return (bool) ob;
- return false;
- }
- set {
- ViewState ["AllowPaging"] = value;
- RequireBinding ();
- }
- }
-
- [DefaultValueAttribute (null)]
- [WebCategoryAttribute ("Styles")]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [NotifyParentProperty (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public TableItemStyle AlternatingRowStyle {
- get {
- if (alternatingRowStyle == null) {
- alternatingRowStyle = new TableItemStyle ();
- if (IsTrackingViewState)
- alternatingRowStyle.TrackViewState();
- }
- return alternatingRowStyle;
- }
- }
- [WebCategoryAttribute ("Behavior")]
- [DefaultValueAttribute (false)]
- public virtual bool AutoGenerateEditButton {
- get {
- object ob = ViewState ["AutoGenerateEditButton"];
- if (ob != null)
- return (bool) ob;
- return false;
- }
- set {
- ViewState ["AutoGenerateEditButton"] = value;
- RequireBinding ();
- }
- }
- [WebCategoryAttribute ("Behavior")]
- [DefaultValueAttribute (false)]
- public virtual bool AutoGenerateDeleteButton {
- get {
- object ob = ViewState ["AutoGenerateDeleteButton"];
- if (ob != null)
- return (bool) ob;
- return false;
- }
- set {
- ViewState ["AutoGenerateDeleteButton"] = value;
- RequireBinding ();
- }
- }
- [WebCategoryAttribute ("Behavior")]
- [DefaultValueAttribute (false)]
- public virtual bool AutoGenerateInsertButton {
- get {
- object ob = ViewState ["AutoGenerateInsertButton"];
- if (ob != null)
- return (bool) ob;
- return false;
- }
- set {
- ViewState ["AutoGenerateInsertButton"] = value;
- RequireBinding ();
- }
- }
- [WebCategoryAttribute ("Behavior")]
- [DefaultValueAttribute (true)]
- public virtual bool AutoGenerateRows {
- get {
- object ob = ViewState ["AutoGenerateRows"];
- if (ob != null)
- return (bool) ob;
- return true;
- }
- set {
- ViewState ["AutoGenerateRows"] = value;
- RequireBinding ();
- }
- }
-
- [UrlPropertyAttribute]
- [WebCategoryAttribute ("Appearance")]
- [DefaultValueAttribute ("")]
- [EditorAttribute ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
- public virtual string BackImageUrl {
- get {
- if (ControlStyleCreated)
- return ((TableStyle) ControlStyle).BackImageUrl;
- return String.Empty;
- }
- set {
- ((TableStyle) ControlStyle).BackImageUrl = value;
- }
- }
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public virtual DetailsViewRow BottomPagerRow {
- get {
- EnsureChildControls ();
- return bottomPagerRow;
- }
- }
-
- [WebCategoryAttribute ("Accessibility")]
- [DefaultValueAttribute ("")]
- [LocalizableAttribute (true)]
- public virtual string Caption {
- get {
- object ob = ViewState ["Caption"];
- if (ob != null)
- return (string) ob;
- return String.Empty;
- }
- set {
- ViewState ["Caption"] = value;
- RequireBinding ();
- }
- }
-
- [WebCategoryAttribute ("Accessibility")]
- [DefaultValueAttribute (TableCaptionAlign.NotSet)]
- public virtual TableCaptionAlign CaptionAlign {
- get {
- object o = ViewState ["CaptionAlign"];
- if(o != null)
- return (TableCaptionAlign) o;
- return TableCaptionAlign.NotSet;
- }
- set {
- ViewState ["CaptionAlign"] = value;
- RequireBinding ();
- }
- }
- [WebCategoryAttribute ("Layout")]
- [DefaultValueAttribute (-1)]
- public virtual int CellPadding {
- get {
- if (ControlStyleCreated)
- return ((TableStyle) ControlStyle).CellPadding;
- return -1;
- }
- set { ((TableStyle) ControlStyle).CellPadding = value; }
- }
- [WebCategoryAttribute ("Layout")]
- [DefaultValueAttribute (0)]
- public virtual int CellSpacing {
- get {
- if (ControlStyleCreated)
- return ((TableStyle) ControlStyle).CellSpacing;
- return 0;
- }
- set { ((TableStyle) ControlStyle).CellSpacing = value; }
- }
-
- [DefaultValueAttribute (null)]
- [WebCategoryAttribute ("Styles")]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [NotifyParentProperty (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public TableItemStyle CommandRowStyle {
- get {
- if (commandRowStyle == null) {
- commandRowStyle = new TableItemStyle ();
- if (IsTrackingViewState)
- commandRowStyle.TrackViewState();
- }
- return commandRowStyle;
- }
- }
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public DetailsViewMode CurrentMode {
- get { return hasCurrentMode ? currentMode : DefaultMode; }
- private set {
- hasCurrentMode = true;
- currentMode = value;
- }
- }
- DetailsViewMode defaultMode = DetailsViewMode.ReadOnly;
- [DefaultValueAttribute (DetailsViewMode.ReadOnly)]
- [WebCategoryAttribute ("Behavior")]
- public virtual DetailsViewMode DefaultMode {
- get { return defaultMode; }
- set {
- defaultMode = value;
- RequireBinding ();
- }
- }
-
- [EditorAttribute ("System.Web.UI.Design.WebControls.DataControlFieldTypeEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
- [MergablePropertyAttribute (false)]
- [PersistenceModeAttribute (PersistenceMode.InnerProperty)]
- [DefaultValueAttribute (null)]
- [WebCategoryAttribute ("Misc")]
- public virtual DataControlFieldCollection Fields {
- get {
- if (columns == null) {
- columns = new DataControlFieldCollection ();
- columns.FieldsChanged += new EventHandler (OnFieldsChanged);
- if (IsTrackingViewState)
- ((IStateManager)columns).TrackViewState ();
- }
- return columns;
- }
- }
- string[] dataKeyNames = null;
- [DefaultValueAttribute (null)]
- [WebCategoryAttribute ("Data")]
- [TypeConverter (typeof(StringArrayConverter))]
- [EditorAttribute ("System.Web.UI.Design.WebControls.DataFieldEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
- public virtual string[] DataKeyNames {
- get {
- if (dataKeyNames == null)
- return emptyKeys;
- else
- return dataKeyNames;
- }
- set {
- dataKeyNames = value;
- RequireBinding ();
- }
- }
-
- IOrderedDictionary KeyTable {
- get {
- if (_keyTable == null)
- _keyTable = new OrderedDictionary (DataKeyNames.Length);
- return _keyTable;
- }
- }
- [BrowsableAttribute (false)]
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- public virtual DataKey DataKey {
- get {
- if (key == null)
- key = new DataKey (KeyTable);
- return key;
- }
- }
- DataKey OldEditValues {
- get {
- if (oldEditValues == null)
- oldEditValues = new DataKey (new OrderedDictionary ());
- return oldEditValues;
- }
- }
- [WebCategoryAttribute ("Styles")]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [NotifyParentProperty (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- [DefaultValueAttribute (null)]
- public TableItemStyle EditRowStyle {
- get {
- if (editRowStyle == null) {
- editRowStyle = new TableItemStyle ();
- if (IsTrackingViewState)
- editRowStyle.TrackViewState();
- }
- return editRowStyle;
- }
- }
-
- [WebCategoryAttribute ("Styles")]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [NotifyParentProperty (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- [DefaultValueAttribute (null)]
- public TableItemStyle EmptyDataRowStyle {
- get {
- if (emptyDataRowStyle == null) {
- emptyDataRowStyle = new TableItemStyle ();
- if (IsTrackingViewState)
- emptyDataRowStyle.TrackViewState();
- }
- return emptyDataRowStyle;
- }
- }
-
- [DefaultValue (null)]
- [TemplateContainer (typeof(DetailsView), BindingDirection.OneWay)]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [Browsable (false)]
- public virtual ITemplate EmptyDataTemplate {
- get { return emptyDataTemplate; }
- set { emptyDataTemplate = value; }
- }
-
- [LocalizableAttribute (true)]
- [WebCategoryAttribute ("Appearance")]
- [DefaultValueAttribute ("")]
- public virtual string EmptyDataText {
- get {
- object ob = ViewState ["EmptyDataText"];
- if (ob != null)
- return (string) ob;
- return String.Empty;
- }
- set {
- ViewState ["EmptyDataText"] = value;
- RequireBinding ();
- }
- }
-
- [WebCategoryAttribute ("Behavior")]
- [DefaultValueAttribute (false)]
- public virtual bool EnablePagingCallbacks {
- get {
- object ob = ViewState ["EnablePagingCallbacks"];
- if (ob != null)
- return (bool) ob;
- return false;
- }
- set {
- ViewState ["EnablePagingCallbacks"] = value;
- RequireBinding ();
- }
- }
-
- [WebCategoryAttribute ("Styles")]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [NotifyParentProperty (true)]
- [DefaultValue (null)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public TableItemStyle FieldHeaderStyle {
- get {
- if (fieldHeaderStyle == null) {
- fieldHeaderStyle = new TableItemStyle ();
- if (IsTrackingViewState)
- fieldHeaderStyle.TrackViewState();
- }
- return fieldHeaderStyle;
- }
- }
-
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public virtual DetailsViewRow FooterRow {
- get {
- EnsureChildControls ();
- return footerRow;
- }
- }
-
- [DefaultValue (null)]
- [TemplateContainer (typeof(DetailsView), BindingDirection.OneWay)]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [Browsable (false)]
- public virtual ITemplate FooterTemplate {
- get { return footerTemplate; }
- set { footerTemplate = value; }
- }
- [LocalizableAttribute (true)]
- [WebCategoryAttribute ("Appearance")]
- [DefaultValueAttribute ("")]
- public virtual string FooterText {
- get {
- object ob = ViewState ["FooterText"];
- if (ob != null)
- return (string) ob;
- return String.Empty;
- }
- set {
- ViewState ["FooterText"] = value;
- RequireBinding ();
- }
- }
-
- [WebCategoryAttribute ("Styles")]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [NotifyParentProperty (true)]
- [DefaultValue (null)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public TableItemStyle FooterStyle {
- get {
- if (footerStyle == null) {
- footerStyle = new TableItemStyle ();
- if (IsTrackingViewState)
- footerStyle.TrackViewState();
- }
- return footerStyle;
- }
- }
-
- [WebCategoryAttribute ("Appearance")]
- [DefaultValueAttribute (GridLines.Both)]
- public virtual GridLines GridLines {
- get {
- if (ControlStyleCreated)
- return ((TableStyle) ControlStyle).GridLines;
- return GridLines.Both;
- }
- set { ((TableStyle) ControlStyle).GridLines = value; }
- }
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public virtual DetailsViewRow HeaderRow {
- get {
- EnsureChildControls ();
- return headerRow;
- }
- }
-
- [WebCategoryAttribute ("Styles")]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [NotifyParentProperty (true)]
- [DefaultValue (null)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public TableItemStyle HeaderStyle {
- get {
- if (headerStyle == null) {
- headerStyle = new TableItemStyle ();
- if (IsTrackingViewState)
- headerStyle.TrackViewState();
- }
- return headerStyle;
- }
- }
-
- [DefaultValue (null)]
- [TemplateContainer (typeof(DetailsView), BindingDirection.OneWay)]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [Browsable (false)]
- public virtual ITemplate HeaderTemplate {
- get { return headerTemplate; }
- set { headerTemplate = value; }
- }
- [LocalizableAttribute (true)]
- [WebCategoryAttribute ("Appearance")]
- [DefaultValueAttribute ("")]
- public virtual string HeaderText {
- get {
- object ob = ViewState ["HeaderText"];
- if (ob != null)
- return (string) ob;
- return String.Empty;
- }
- set {
- ViewState ["HeaderText"] = value;
- RequireBinding ();
- }
- }
-
- [Category ("Layout")]
- [DefaultValueAttribute (HorizontalAlign.NotSet)]
- public virtual HorizontalAlign HorizontalAlign {
- get {
- if (ControlStyleCreated)
- return ((TableStyle) ControlStyle).HorizontalAlign;
- return HorizontalAlign.NotSet;
- }
- set { ((TableStyle) ControlStyle).HorizontalAlign = value; }
- }
- [WebCategoryAttribute ("Styles")]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [NotifyParentProperty (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- [DefaultValueAttribute (null)]
- public TableItemStyle InsertRowStyle {
- get {
- if (insertRowStyle == null) {
- insertRowStyle = new TableItemStyle ();
- if (IsTrackingViewState)
- insertRowStyle.TrackViewState();
- }
- return insertRowStyle;
- }
- }
-
- [BrowsableAttribute (false)]
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- public virtual int PageCount {
- get { return pageCount; }
- private set { pageCount = value; }
- }
- [WebCategoryAttribute ("Paging")]
- [BindableAttribute (true, BindingDirection.OneWay)]
- [DefaultValueAttribute (0)]
- public virtual int PageIndex {
- get {
- if (CurrentMode == DetailsViewMode.Insert)
- return -1;
- return pageIndex;
- }
- set {
- if (value < -1)
- throw new ArgumentOutOfRangeException ("PageIndex must be non-negative");
- if (pageIndex == value || value == -1)
- return;
- pageIndex = value;
- RequireBinding ();
- }
- }
-
- [WebCategoryAttribute ("Paging")]
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Content)]
- [NotifyParentPropertyAttribute (true)]
- [PersistenceModeAttribute (PersistenceMode.InnerProperty)]
- public virtual PagerSettings PagerSettings {
- get {
- if (pagerSettings == null) {
- pagerSettings = new PagerSettings (this);
- if (IsTrackingViewState)
- ((IStateManager)pagerSettings).TrackViewState ();
- }
- return pagerSettings;
- }
- }
-
- [WebCategoryAttribute ("Styles")]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [NotifyParentProperty (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- public TableItemStyle PagerStyle {
- get {
- if (pagerStyle == null) {
- pagerStyle = new TableItemStyle ();
- if (IsTrackingViewState)
- pagerStyle.TrackViewState();
- }
- return pagerStyle;
- }
- }
-
-
- [DefaultValue (null)]
- [TemplateContainer (typeof (DetailsView), BindingDirection.OneWay)]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [Browsable (false)]
- public virtual ITemplate PagerTemplate {
- get { return pagerTemplate; }
- set { pagerTemplate = value; }
- }
-
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public virtual DetailsViewRowCollection Rows {
- get {
- EnsureChildControls ();
- return rows;
- }
- }
- [BrowsableAttribute(false)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
- public IAutoFieldGenerator RowsGenerator {
- get;
- set;
- }
- [WebCategoryAttribute ("Styles")]
- [PersistenceMode (PersistenceMode.InnerProperty)]
- [NotifyParentProperty (true)]
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
- [DefaultValue (null)]
- public TableItemStyle RowStyle {
- get {
- if (rowStyle == null) {
- rowStyle = new TableItemStyle ();
- if (IsTrackingViewState)
- rowStyle.TrackViewState();
- }
- return rowStyle;
- }
- }
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public object SelectedValue {
- get { return DataKey.Value; }
- }
-
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public virtual DetailsViewRow TopPagerRow {
- get {
- EnsureChildControls ();
- return topPagerRow;
- }
- }
-
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public virtual object DataItem {
- get {
- return dataItem;
- }
- }
-
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public int DataItemCount {
- get { return PageCount; }
- }
-
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
- [BrowsableAttribute (false)]
- public virtual int DataItemIndex {
- get { return PageIndex; }
- }
-
- int IDataItemContainer.DisplayIndex {
- get { return PageIndex; }
- }
- int IDataItemContainer.DataItemIndex {
- get { return DataItemIndex; }
- }
- [MonoTODO ("Make use of it in the code")]
- [DefaultValue (true)]
- public virtual bool EnableModelValidation {
- get;
- set;
- }
- public virtual bool IsBindableType (Type type)
- {
- return type.IsPrimitive || type == typeof (string) || type == typeof (DateTime) || type == typeof (Guid) || type == typeof (Decimal);
- }
-
- protected override DataSourceSelectArguments CreateDataSourceSelectArguments ()
- {
- DataSourceSelectArguments arg = new DataSourceSelectArguments ();
- DataSourceView view = GetData ();
- if (AllowPaging && view.CanPage) {
- arg.StartRowIndex = PageIndex;
- if (view.CanRetrieveTotalRowCount) {
- arg.RetrieveTotalRowCount = true;
- arg.MaximumRows = 1;
- } else
- arg.MaximumRows = -1;
- }
- return arg;
- }
-
- protected virtual ICollection CreateFieldSet (object dataItem, bool useDataSource)
- {
- bool autoGenerate = AutoGenerateRows;
-
- if (autoGenerate) {
- IAutoFieldGenerator fieldGenerator = RowsGenerator;
- if (fieldGenerator != null)
- return fieldGenerator.GenerateFields (this);
- }
-
- ArrayList fields = new ArrayList ();
-
- if (AutoGenerateRows) {
- if (useDataSource) {
- if (dataItem != null)
- fields.AddRange (CreateAutoGeneratedRows (dataItem));
- } else {
- if (autoFieldProperties != null) {
- foreach (AutoGeneratedFieldProperties props in autoFieldProperties)
- fields.Add (CreateAutoGeneratedRow (props));
- }
- }
- }
-
- fields.AddRange (Fields);
-
- if (AutoGenerateEditButton || AutoGenerateDeleteButton || AutoGenerateInsertButton) {
- CommandField field = new CommandField ();
- field.ShowEditButton = AutoGenerateEditButton;
- field.ShowDeleteButton = AutoGenerateDeleteButton;
- field.ShowInsertButton = AutoGenerateInsertButton;
- fields.Add (field);
- }
-
- return fields;
- }
-
- protected virtual ICollection CreateAutoGeneratedRows (object dataItem)
- {
- if (dataItem == null)
- return null;
- ArrayList list = new ArrayList ();
- autoFieldProperties = CreateAutoFieldProperties (dataItem);
- foreach (AutoGeneratedFieldProperties props in autoFieldProperties)
- list.Add (CreateAutoGeneratedRow (props));
- return list;
- }
-
- protected virtual AutoGeneratedField CreateAutoGeneratedRow (AutoGeneratedFieldProperties fieldProperties)
- {
- return new AutoGeneratedField (fieldProperties);
- }
-
- AutoGeneratedFieldProperties[] CreateAutoFieldProperties (object dataItem)
- {
- if (IsBindableType (dataItem.GetType ())) {
- AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties ();
- ((IStateManager) field).TrackViewState ();
- field.Name = "Item";
- field.DataField = BoundField.ThisExpression;
- field.Type = dataItem.GetType ();
- return new AutoGeneratedFieldProperties [] { field };
- }
- PropertyDescriptorCollection props = TypeDescriptor.GetProperties (dataItem, false);
- if (props != null && props.Count > 0) {
- ArrayList retVal = new ArrayList ();
- foreach (PropertyDescriptor current in props) {
- if (IsBindableType (current.PropertyType)) {
- AutoGeneratedFieldProperties field = new AutoGeneratedFieldProperties ();
- ((IStateManager) field).TrackViewState ();
- field.Name = current.Name;
- field.DataField = current.Name;
- for (int i = 0; i < DataKeyNames.Length; i++) {
- if (string.Compare (DataKeyNames [i], current.Name, StringComparison.InvariantCultureIgnoreCase) == 0) {
- field.IsReadOnly = true;
- break;
- }
- }
- field.Type = current.PropertyType;
- retVal.Add (field);
- }
- }
- if (retVal.Count > 0)
- return (AutoGeneratedFieldProperties []) retVal.ToArray (typeof (AutoGeneratedFieldProperties));
- }
- throw new HttpException (String.Format ("DetailsView with id '{0}' did not have any properties or attributes from which to generate fields. Ensure that your data source has content.", ID));
- }
-
- protected virtual DetailsViewRow CreateRow (int rowIndex, DataControlRowType rowType, DataControlRowState rowState)
- {
- DetailsViewRow row;
- if (rowType == DataControlRowType.Pager)
- row = new DetailsViewPagerRow (rowIndex, rowType, rowState);
- else
- row = new DetailsViewRow (rowIndex, rowType, rowState);
- return row;
- }
-
- void RequireBinding ()
- {
- if (Initialized)
- RequiresDataBinding = true;
- }
-
- protected virtual Table CreateTable ()
- {
- return new ContainedTable (this);
- }
- protected override Style CreateControlStyle ()
- {
- TableStyle style = new TableStyle ();
- style.GridLines = GridLines.Both;
- style.CellSpacing = 0;
- return style;
- }
-
- protected override int CreateChildControls (IEnumerable data, bool dataBinding)
- {
- PagedDataSource dataSource = new PagedDataSource ();
- dataSource.DataSource = CurrentMode != DetailsViewMode.Insert ? data : null;
- dataSource.AllowPaging = AllowPaging;
- dataSource.PageSize = 1;
- dataSource.CurrentPageIndex = PageIndex;
- if (dataBinding && CurrentMode != DetailsViewMode.Insert) {
- DataSourceView view = GetData ();
- if (view != null && view.CanPage) {
- dataSource.AllowServerPaging = true;
- if (SelectArguments.RetrieveTotalRowCount)
- dataSource.VirtualCount = SelectArguments.TotalRowCount;
- }
- }
- bool showPager = AllowPaging && (dataSource.PageCount > 1);
- Controls.Clear ();
- table = CreateTable ();
- Controls.Add (table);
- headerRow = null;
- footerRow = null;
- topPagerRow = null;
- bottomPagerRow = null;
- ArrayList list = new ArrayList ();
- // Gets the current data item
- if (AllowPaging) {
- PageCount = dataSource.DataSourceCount;
- if (PageIndex >= PageCount && PageCount > 0)
- pageIndex = dataSource.CurrentPageIndex = PageCount - 1;
- if (dataSource.DataSource != null) {
- IEnumerator e = dataSource.GetEnumerator ();
- if (e.MoveNext ())
- dataItem = e.Current;
- }
- } else {
- int page = 0;
- object lastItem = null;
- if (dataSource.DataSource != null) {
- IEnumerator e = dataSource.GetEnumerator ();
- for (; e.MoveNext (); page++) {
- lastItem = e.Current;
- if (page == PageIndex)
- dataItem = e.Current;
- }
- }
- PageCount = page;
- if (PageIndex >= PageCount && PageCount > 0) {
- pageIndex = PageCount - 1;
- dataItem = lastItem;
- }
- }
- if (PageCount == 0 && CurrentMode != DetailsViewMode.Insert) {
- DetailsViewRow row = CreateEmptyRow ();
- if (row != null) {
- table.Rows.Add (row);
- list.Add (row);
- }
- } else {
- // Creates the set of fields to show
- ICollection fieldCollection = CreateFieldSet (dataItem, dataBinding && dataItem != null);
- DataControlField [] fields = new DataControlField [fieldCollection.Count];
- fieldCollection.CopyTo (fields, 0);
- foreach (DataControlField field in fields) {
- field.Initialize (false, this);
- if (EnablePagingCallbacks)
- field.ValidateSupportsCallback ();
- }
- // Main table creation
- headerRow = CreateRow (-1, DataControlRowType.Header, DataControlRowState.Normal);
- DataControlFieldCell headerCell = new DataControlFieldCell (null);
- headerCell.ColumnSpan = 2;
- if (headerTemplate != null)
- headerTemplate.InstantiateIn (headerCell);
- else if (!String.IsNullOrEmpty (HeaderText))
- headerCell.Text = HeaderText;
- else
- headerRow.Visible = false;
- headerRow.Cells.Add (headerCell);
- table.Rows.Add (headerRow);
- if (showPager && PagerSettings.Position == PagerPosition.Top ||
- PagerSettings.Position == PagerPosition.TopAndBottom) {
- topPagerRow = CreateRow (-1, DataControlRowType.Pager, DataControlRowState.Normal);
- InitializePager (topPagerRow, dataSource);
- table.Rows.Add (topPagerRow);
- }
- foreach (DataControlField field in fields) {
- DataControlRowState rstate = GetRowState (list.Count);
- DetailsViewRow row = CreateRow (PageIndex, DataControlRowType.DataRow, rstate);
- InitializeRow (row, field);
- table.Rows.Add (row);
- list.Add (row);
- }
- footerRow = CreateRow (-1, DataControlRowType.Footer, DataControlRowState.Normal);
- DataControlFieldCell footerCell = new DataControlFieldCell (null);
- footerCell.ColumnSpan = 2;
- if (footerTemplate != null)
- footerTemplate.InstantiateIn (footerCell);
- else if (!String.IsNullOrEmpty (FooterText))
- footerCell.Text = FooterText;
- else
- footerRow.Visible = false;
- footerRow.Cells.Add (footerCell);
- table.Rows.Add (footerRow);
- if (showPager && PagerSettings.Position == PagerPosition.Bottom ||
- PagerSettings.Position == PagerPosition.TopAndBottom) {
- bottomPagerRow = CreateRow (-1, DataControlRowType.Pager, DataControlRowState.Normal);
- InitializePager (bottomPagerRow, dataSource);
- table.Rows.Add (bottomPagerRow);
- }
- }
-
- rows = new DetailsViewRowCollection (list);
- if (dataBinding)
- DataBind (false);
-
- OnItemCreated (EventArgs.Empty);
- return PageCount;
- }
- protected override void EnsureDataBound ()
- {
- if (CurrentMode == DetailsViewMode.Insert) {
- if (RequiresDataBinding) {
- OnDataBinding (EventArgs.Empty);
- RequiresDataBinding = false;
- InternalPerformDataBinding (null);
- MarkAsDataBound ();
- OnDataBound (EventArgs.Empty);
- }
- } else
- base.EnsureDataBound ();
- }
-
- DataControlRowState GetRowState (int index)
- {
- DataControlRowState rstate = (index % 2) == 0 ? DataControlRowState.Normal : DataControlRowState.Alternate;
- if (CurrentMode == DetailsViewMode.Edit)
- rstate |= DataControlRowState.Edit;
- else if (CurrentMode == DetailsViewMode.Insert)
- rstate |= DataControlRowState.Insert;
- return rstate;
- }
-
- protected virtual void InitializePager (DetailsViewRow row, PagedDataSource dataSource)
- {
- TableCell cell = new TableCell ();
- cell.ColumnSpan = 2;
-
- if (pagerTemplate != null)
- pagerTemplate.InstantiateIn (cell);
- else
- cell.Controls.Add (PagerSettings.CreatePagerControl (dataSource.CurrentPageIndex, dataSource.PageCount));
-
- row.Cells.Add (cell);
- }
-
- DetailsViewRow CreateEmptyRow ()
- {
- TableCell cell = new TableCell ();
- if (emptyDataTemplate != null)
- emptyDataTemplate.InstantiateIn (cell);
- else if (!String.IsNullOrEmpty (EmptyDataText))
- cell.Text = EmptyDataText;
- else
- return null;
-
- DetailsViewRow row = CreateRow (-1, DataControlRowType.EmptyDataRow, DataControlRowState.Normal);
- row.Cells.Add (cell);
- return row;
- }
-
- protected virtual void InitializeRow (DetailsViewRow row, DataControlField field)
- {
- if (!field.Visible) {
- row.Visible = false;
- return;
- }
-
- row.ContainingField = field;
- DataControlFieldCell cell;
-
- if (field.ShowHeader) {
- cell = new DataControlFieldCell (field);
- row.Cells.Add (cell);
- field.InitializeCell (cell, DataControlCellType.Header, row.RowState, row.RowIndex);
- }
-
- cell = new DataControlFieldCell (field);
- if (!field.ShowHeader)
- cell.ColumnSpan = 2;
- row.Cells.Add (cell);
- field.InitializeCell (cell, DataControlCellType.DataCell, row.RowState, row.RowIndex);
- if (CurrentMode == DetailsViewMode.Insert && !field.InsertVisible)
- row.Visible = false;
- }
-
- void FillRowDataKey (object dataItem)
- {
- KeyTable.Clear ();
- if (cachedKeyProperties == null) {
- PropertyDescriptorCollection props = TypeDescriptor.GetProperties (dataItem);
- cachedKeyProperties = new PropertyDescriptor [DataKeyNames.Length];
- for (int n=0; n<DataKeyNames.Length; n++) {
- PropertyDescriptor p = props.Find (DataKeyNames [n], true);
- if (p == null)
- throw new InvalidOperationException ("Property '" + DataKeyNames[n] + "' not found in object of type " + dataItem.GetType());
- cachedKeyProperties [n] = p;
- }
- }
-
- foreach (PropertyDescriptor p in cachedKeyProperties)
- KeyTable [p.Name] = p.GetValue (dataItem);
- }
-
- IOrderedDictionary GetRowValues (bool includeReadOnlyFields, bool includePrimaryKey)
- {
- OrderedDictionary dic = new OrderedDictionary ();
- ExtractRowValues (dic, includeReadOnlyFields, includePrimaryKey);
- return dic;
- }
-
- protected virtual void ExtractRowValues (IOrderedDictionary fieldValues, bool includeReadOnlyFields, bool includePrimaryKey)
- {
- foreach (DetailsViewRow row in Rows) {
- if (row.Cells.Count < 1)
- continue;
- DataControlFieldCell c = row.Cells[row.Cells.Count-1] as DataControlFieldCell;
- if (c != null)
- c.ContainingField.ExtractValuesFromCell (fieldValues, c, row.RowState, includeReadOnlyFields);
- }
- if (!includePrimaryKey && DataKeyNames != null)
- foreach (string key in DataKeyNames)
- fieldValues.Remove (key);
- }
-
- protected override HtmlTextWriterTag TagKey {
- get {
- if (EnablePagingCallbacks)
- return HtmlTextWriterTag.Div;
- else
- return HtmlTextWriterTag.Table;
- }
- }
-
- public sealed override void DataBind ()
- {
- cachedKeyProperties = null;
- base.DataBind ();
-
- if (dataItem != null) {
- if (CurrentMode == DetailsViewMode.Edit)
- oldEditValues = new DataKey (GetRowValues (false, true));
- FillRowDataKey (dataItem);
- key = new DataKey (KeyTable);
- }
- }
-
- 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 (DetailsViewRow row in table.Rows) {
- switch (row.RowType) {
- case DataControlRowType.Header:
- if (headerStyle != null && !headerStyle.IsEmpty)
- row.ControlStyle.CopyFrom (headerStyle);
- break;
- case DataControlRowType.Footer:
- if (footerStyle != null && !footerStyle.IsEmpty)
- row.ControlStyle.CopyFrom (footerStyle);
- 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);
- break;
- default:
- break;
- }
- if (row.ContainingField is CommandField) {
- if (commandRowStyle != null && !commandRowStyle.IsEmpty)
- row.ControlStyle.CopyFrom (commandRowStyle);
- } else {
- if ((row.RowState & DataControlRowState.Edit) != 0 && editRowStyle != null && !editRowStyle.IsEmpty)
- row.ControlStyle.CopyFrom (editRowStyle);
- if ((row.RowState & DataControlRowState.Insert) != 0) {
- if (insertRowStyle != null && !insertRowStyle.IsEmpty)
- row.ControlStyle.CopyFrom (insertRowStyle);
- else if (editRowStyle != null && !editRowStyle.IsEmpty)
- row.ControlStyle.CopyFrom (editRowStyle);
- }
- }
- for (int n = 0; n < row.Cells.Count; n++) {
- DataControlFieldCell fcell = row.Cells [n] as DataControlFieldCell;
- if (fcell != null && fcell.ContainingField != null) {
- DataControlField field = fcell.ContainingField;
- if (n == 0 && field.ShowHeader) {
- if (fieldHeaderStyle != null && !fieldHeaderStyle.IsEmpty)
- fcell.ControlStyle.CopyFrom (fieldHeaderStyle);
- if (field.HeaderStyleCreated && !field.HeaderStyle.IsEmpty)
- fcell.ControlStyle.CopyFrom (field.HeaderStyle);
- } else {
- if (field.ControlStyleCreated && !field.ControlStyle.IsEmpty) {
- foreach (Control c in fcell.Controls) {
- WebControl wc = c as WebControl;
- if (wc != null)
- wc.ControlStyle.MergeWith (field.ControlStyle);
- }
- }
-
- if (field.ItemStyleCreated && !field.ItemStyle.IsEmpty)
- fcell.ControlStyle.CopyFrom (field.ItemStyle);
- }
- }
- }
- }
- }
-
- protected internal override void OnInit (EventArgs e)
- {
- Page page = Page;
- if (page != null)
- page.RegisterRequiresControlState (this);
- base.OnInit (e);
- }
-
- void OnFieldsChanged (object sender, EventArgs args)
- {
- RequireBinding ();
- }
-
- protected override void OnDataSourceViewChanged (object sender, EventArgs e)
- {
- base.OnDataSourceViewChanged (sender, e);
- RequireBinding ();
- }
-
- protected override bool OnBubbleEvent (object source, EventArgs e)
- {
- DetailsViewCommandEventArgs args = e as DetailsViewCommandEventArgs;
- if (args != null) {
- bool causesValidation = false;
- IButtonControl button = args.CommandSource as IButtonControl;
- if (button != null && button.CausesValidation) {
- Page.Validate (button.ValidationGroup);
- causesValidation = true;
- }
- ProcessCommand (args, causesValidation);
- return true;
- }
- return base.OnBubbleEvent (source, e);
- }
- void ProcessCommand (DetailsViewCommandEventArgs args, bool causesValidation) {
- OnItemCommand (args);
- ProcessEvent (args.CommandName, args.CommandArgument as string, causesValidation);
- }
- void IPostBackEventHandler.RaisePostBackEvent (string eventArgument)
- {
- RaisePostBackEvent (eventArgument);
- }
- // TODO: This is prolly obsolete
- protected virtual void RaisePostBackEvent (string eventArgument)
- {
- ValidateEvent (UniqueID, eventArgument);
- int i = eventArgument.IndexOf ('$');
- CommandEventArgs arg;
- if (i != -1)
- arg = new CommandEventArgs (eventArgument.Substring (0, i), eventArgument.Substring (i + 1));
- else
- arg = new CommandEventArgs (eventArgument, null);
- ProcessCommand (new DetailsViewCommandEventArgs (this, arg), false);
- }
- void ProcessEvent (string eventName, string param, bool causesValidation)
- {
- 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:
- newIndex = PageIndex + 1;
- break;
- case DataControlCommands.PreviousPageCommandArgument:
- newIndex = PageIndex - 1;
- break;
- default:
- int paramIndex = 0;
- int.TryParse (param, out paramIndex);
- newIndex = paramIndex - 1;
- break;
- }
- SetPageIndex (newIndex);
- break;
-
- case DataControlCommands.FirstPageCommandArgument:
- SetPageIndex (0);
- break;
- case DataControlCommands.LastPageCommandArgument:
- SetPageIndex (PageCount - 1);
- break;
-
- case DataControlCommands.NextPageCommandArgument:
- if (PageIndex < PageCount - 1)
- SetPageIndex (PageIndex + 1);
- break;
- case DataControlCommands.PreviousPageCommandArgument:
- if (PageIndex > 0)
- SetPageIndex (PageIndex - 1);
- break;
-
- case DataControlCommands.EditCommandName:
- ProcessChangeMode (DetailsViewMode.Edit);
- break;
-
- case DataControlCommands.NewCommandName:
- ProcessChangeMode (DetailsViewMode.Insert);
- break;
-
- case DataControlCommands.UpdateCommandName:
- UpdateItem (param, causesValidation);
- break;
-
- case DataControlCommands.CancelCommandName:
- CancelEdit ();
- break;
-
- case DataControlCommands.DeleteCommandName:
- DeleteItem ();
- break;
-
- case DataControlCommands.InsertCommandName:
- InsertItem (causesValidation);
- break;
- }
- }
- #if NET_4_0
- public
- #endif
- void SetPageIndex (int newIndex)
- {
- DetailsViewPageEventArgs args = new DetailsViewPageEventArgs (newIndex);
- OnPageIndexChanging (args);
- if (args.Cancel || !IsBoundUsingDataSourceID)
- return;
-
- if (args.NewPageIndex < 0 || args.NewPageIndex >= PageCount)
- return;
- EndRowEdit (false);
- PageIndex = args.NewPageIndex;
- OnPageIndexChanged (EventArgs.Empty);
- }
-
- public void ChangeMode (DetailsViewMode newMode)
- {
- CurrentMode = newMode;
- RequireBinding ();
- }
- void ProcessChangeMode (DetailsViewMode newMode)
- {
- DetailsViewModeEventArgs args = new DetailsViewModeEventArgs (newMode, false);
- OnModeChanging (args);
- if (args.Cancel || !IsBoundUsingDataSourceID)
- return;
- ChangeMode (args.NewMode);
- OnModeChanged (EventArgs.Empty);
- }
- void CancelEdit ()
- {
- DetailsViewModeEventArgs args = new DetailsViewModeEventArgs (DetailsViewMode.ReadOnly, true);
- OnModeChanging (args);
- if (args.Cancel || !IsBoundUsingDataSourceID)
- return;
- EndRowEdit ();
- }
- public virtual void UpdateItem (bool causesValidation)
- {
- UpdateItem (null, causesValidation);
- }
-
- void UpdateItem (string param, bool causesValidation)
- {
- if (causesValidation && Page != null && !Page.IsValid)
- return;
-
- if (CurrentMode != DetailsViewMode.Edit)
- throw new HttpException ();
- currentEditOldValues = OldEditValues.Values;
- currentEditRowKeys = DataKey.Values;
- currentEditNewValues = GetRowValues (false, false);
-
- DetailsViewUpdateEventArgs args = new DetailsViewUpdateEventArgs (param, currentEditRowKeys, currentEditOldValues, currentEditNewValues);
- OnItemUpdating (args);
- if (args.Cancel || !IsBoundUsingDataSourceID)
- return;
-
- 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));
- }
- bool UpdateCallback (int recordsAffected, Exception exception)
- {
- DetailsViewUpdatedEventArgs dargs = new DetailsViewUpdatedEventArgs (recordsAffected, exception, currentEditRowKeys, currentEditOldValues, currentEditNewValues);
- OnItemUpdated (dargs);
- if (!dargs.KeepInEditMode)
- EndRowEdit ();
- return dargs.ExceptionHandled;
- }
- public virtual void InsertItem (bool causesValidation)
- {
- InsertItem (null, causesValidation);
- }
-
- void InsertItem (string param, bool causesValidation)
- {
- if (causesValidation && Page != null && !Page.IsValid)
- return;
-
- if (CurrentMode != DetailsViewMode.Insert)
- throw new HttpException ();
-
- currentEditNewValues = GetRowValues (false, true);
- DetailsViewInsertEventArgs args = new DetailsViewInsertEventArgs (param, currentEditNewValues);
- OnItemInserting (args);
- if (args.Cancel || !IsBoundUsingDataSourceID)
- return;
- DataSourceView view = GetData ();
- if (view == null)
- throw new HttpException ("The DataSourceView associated to data bound control was null");
- view.Insert (currentEditNewValues, new DataSourceViewOperationCallback (InsertCallback));
- }
-
- bool InsertCallback (int recordsAffected, Exception exception)
- {
- DetailsViewInsertedEventArgs dargs = new DetailsViewInsertedEventArgs (recordsAffected, exception, currentEditNewValues);
- OnItemInserted (dargs);
- if (!dargs.KeepInInsertMode)
- EndRowEdit ();
- return dargs.ExceptionHandled;
- }
- public virtual void DeleteItem ()
- {
- currentEditRowKeys = DataKey.Values;
- currentEditNewValues = GetRowValues (true, false);
-
- DetailsViewDeleteEventArgs args = new DetailsViewDeleteEventArgs (PageIndex, currentEditRowKeys, currentEditNewValues);
- OnItemDeleting (args);
- if (args.Cancel || !IsBoundUsingDataSourceID)
- return;
- DataSourceView view = GetData ();
- if (view != null)
- view.Delete (currentEditRowKeys, currentEditNewValues, new DataSourceViewOperationCallback (DeleteCallback));
- else {
- DetailsViewDeletedEventArgs dargs = new DetailsViewDeletedEventArgs (0, null, currentEditRowKeys, currentEditNewValues);
- OnItemDeleted (dargs);
- }
- if (PageIndex > 0 && PageIndex == PageCount - 1)
- PageIndex --;
- RequireBinding ();
- }
- bool DeleteCallback (int recordsAffected, Exception exception)
- {
- DetailsViewDeletedEventArgs dargs = new DetailsViewDeletedEventArgs (recordsAffected, exception, currentEditRowKeys, currentEditNewValues);
- OnItemDeleted (dargs);
- return dargs.ExceptionHandled;
- }
-
- void EndRowEdit ()
- {
- EndRowEdit (true);
- }
- void EndRowEdit (bool switchToDefaultMode)
- {
- if (switchToDefaultMode)
- ChangeMode (DefaultMode);
- oldEditValues = new DataKey (new OrderedDictionary ());
- currentEditRowKeys = null;
- currentEditOldValues = null;
- currentEditNewValues = null;
- RequireBinding ();
- }
- protected internal override void LoadControlState (object ob)
- {
- if (ob == null)
- return;
- object[] state = (object[]) ob;
- base.LoadControlState (state[0]);
- pageIndex = (int) state[1];
- pageCount = (int) state[2];
- CurrentMode = (DetailsViewMode) state[3];
- dataKeyNames = (string[]) state[4];
- defaultMode = (DetailsViewMode) state[5];
- if (state [6] != null)
- ((IStateManager) DataKey).LoadViewState (state [6]);
- if (state [7] != null)
- ((IStateManager) OldEditValues).LoadViewState (state [7]);
- }
-
- protected internal override object SaveControlState ()
- {
- object bstate = base.SaveControlState ();
- return new object[] {
- bstate,
- pageIndex,
- pageCount,
- CurrentMode,
- dataKeyNames,
- defaultMode,
- (key == null ? null : ((IStateManager)key).SaveViewState()),
- (oldEditValues == null ? null : ((IStateManager) oldEditValues).SaveViewState ())
- };
- }
-
- protected override void TrackViewState()
- {
- base.TrackViewState();
- if (columns != null)
- ((IStateManager)columns).TrackViewState();
- if (pagerSettings != null)
- ((IStateManager)pagerSettings).TrackViewState();
- if (alternatingRowStyle != null)
- ((IStateManager)alternatingRowStyle).TrackViewState();
- if (footerStyle != null)
- ((IStateManager)footerStyle).TrackViewState();
- if (headerStyle != null)
- ((IStateManager)headerStyle).TrackViewState();
- if (pagerStyle != null)
- ((IStateManager)pagerStyle).TrackViewState();
- if (rowStyle != null)
- ((IStateManager)rowStyle).TrackViewState();
- if (editRowStyle != null)
- ((IStateManager)editRowStyle).TrackViewState();
- if (insertRowStyle != null)
- ((IStateManager)insertRowStyle).TrackViewState();
- if (emptyDataRowStyle != null)
- ((IStateManager)emptyDataRowStyle).TrackViewState();
- if (key != null)
- ((IStateManager)key).TrackViewState();
- if (autoFieldProperties != null) {
- foreach (IStateManager sm in autoFieldProperties)
- sm.TrackViewState ();
- }
- if (ControlStyleCreated)
- ControlStyle.TrackViewState ();
- }
- protected override object SaveViewState()
- {
- object[] states = new object [13];
- states[0] = base.SaveViewState();
- states[1] = (columns == null ? null : ((IStateManager)columns).SaveViewState());
- states[2] = (pagerSettings == null ? null : ((IStateManager)pagerSettings).SaveViewState());
- states[3] = (alternatingRowStyle == null ? null : ((IStateManager)alternatingRowStyle).SaveViewState());
- states[4] = (footerStyle == null ? null : ((IStateManager)footerStyle).SaveViewState());
- states[5] = (headerStyle == null ? null : ((IStateManager)headerStyle).SaveViewState());
- states[6] = (pagerStyle == null ? null : ((IStateManager)pagerStyle).SaveViewState());
- states[7] = (rowStyle == null ? null : ((IStateManager)rowStyle).SaveViewState());
- states[8] = (insertRowStyle == null ? null : ((IStateManager)insertRowStyle).SaveViewState());
- states[9] = (editRowStyle == null ? null : ((IStateManager)editRowStyle).SaveViewState());
- states[10] = (emptyDataRowStyle == null ? null : ((IStateManager)emptyDataRowStyle).SaveViewState());
-
- if (autoFieldProperties != null) {
- object[] data = new object [autoFieldProperties.Length];
- bool allNull = true;
- for (int n=0; n<data.Length; n++) {
- data [n] = ((IStateManager)autoFieldProperties [n]).SaveViewState ();
- if (data [n] != null) allNull = false;
- }
- if (!allNull) states [11] = data;
- }
- if (ControlStyleCreated)
- states [12] = ControlStyle.SaveViewState ();
- for (int i = states.Length - 1; i >= 0; i--) {
- if (states [i] != null)
- return states;
- }
- return null;
- }
- protected override void LoadViewState (object savedState)
- {
- if (savedState == null) {
- base.LoadViewState (null);
- return;
- }
- object [] states = (object []) savedState;
-
- 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 ();
- p.TrackViewState ();
- p.LoadViewState (data [n]);
- autoFieldProperties [n] = (AutoGeneratedFieldProperties) p;
- }
- }
- base.LoadViewState (states[0]);
-
- if (states[1] != null) ((IStateManager)Fields).LoadViewState (states[1]);
- if (states[2] != null) ((IStateManager)PagerSettings).LoadViewState (states[2]);
- if (states[3] != null) ((IStateManager)AlternatingRowStyle).LoadViewState (states[3]);
- if (states[4] != null) ((IStateManager)FooterStyle).LoadViewState (states[4]);
- if (states[5] != null) ((IStateManager)HeaderStyle).LoadViewState (states[5]);
- if (states[6] != null) ((IStateManager)PagerStyle).LoadViewState (states[6]);
- if (states[7] != null) ((IStateManager)RowStyle).LoadViewState (states[7]);
- if (states[8] != null) ((IStateManager)InsertRowStyle).LoadViewState (states[8]);
- if (states[9] != null) ((IStateManager)EditRowStyle).LoadViewState (states[9]);
- if (states[10] != null) ((IStateManager)EmptyDataRowStyle).LoadViewState (states[10]);
- if (states [12] != null)
- ControlStyle.LoadViewState (states [12]);
- }
-
- void ICallbackEventHandler.RaiseCallbackEvent (string eventArgs)
- {
- RaiseCallbackEvent (eventArgs);
- }
-
- protected virtual void RaiseCallbackEvent (string eventArgs)
- {
- string[] clientData = eventArgs.Split ('|');
- PageIndex = int.Parse (clientData[0]);
-
- RaisePostBackEvent (clientData[1]);
- DataBind ();
- }
- string ICallbackEventHandler.GetCallbackResult ()
- {
- return GetCallbackResult ();
- }
- protected virtual string GetCallbackResult ()
- {
- PrepareControlHierarchy ();
- StringWriter sw = new StringWriter ();
- sw.Write (PageIndex.ToString () + '|');
- HtmlTextWriter writer = new HtmlTextWriter (sw);
- RenderGrid (writer);
- return sw.ToString ();
- }
- protected virtual string GetCallbackScript (IButtonControl buttonControl, string argument)
- {
- if (EnablePagingCallbacks) {
- Page page = Page;
- if (page != null)
- page.ClientScript.RegisterForEventValidation (UniqueID, argument);
- return "javascript:DetailsView_ClientEvent (\"" + ClientID + "\",\"" + buttonControl.CommandName + "$" + buttonControl.CommandArgument + "\"); return false;";
- } else
- return null;
- }
-
- string ICallbackContainer.GetCallbackScript (IButtonControl control, string argument)
- {
- return GetCallbackScript (control, argument);
- }
- protected override void OnPagePreLoad (object sender, EventArgs e)
- {
- base.OnPagePreLoad (sender, e);
- if (Page.IsPostBack && EnablePagingCallbacks) {
- int page;
- if (int.TryParse (Page.Request.Form [ClientID + "_Page"], out page))
- PageIndex = page;
- }
- }
- const string onPreRenderScript = @"var {0} = new Object ();
- {0}.pageIndex = {1};
- {0}.uid = {2};
- {0}.form = {3};
- ";
- protected internal override void OnPreRender (EventArgs e)
- {
- base.OnPreRender (e);
- Page page = Page;
- if (EnablePagingCallbacks && page != null) {
- ClientScriptManager scriptManager = page.ClientScript;
- if (!scriptManager.IsClientScriptIncludeRegistered (typeof(DetailsView), "DetailsView.js")) {
- string url = scriptManager.GetWebResourceUrl (typeof(DetailsView), "DetailsView.js");
- scriptManager.RegisterClientScriptInclude (typeof(DetailsView), "DetailsView.js", url);
- }
- scriptManager.RegisterHiddenField (ClientID + "_Page", PageIndex.ToString ());
-
- string cgrid = ClientID + "_data";
- string script = String.Format (onPreRenderScript,
- cgrid,
- ClientScriptManager.GetScriptLiteral (PageIndex),
- ClientScriptManager.GetScriptLiteral (UniqueID),
- page.theForm);
-
- scriptManager.RegisterStartupScript (typeof(TreeView), this.UniqueID, script, true);
-
- // Make sure the basic script infrastructure is rendered
- scriptManager.GetCallbackEventReference (this, "null", String.Empty, "null");
- scriptManager.GetPostBackClientHyperlink (this, String.Empty, true);
- }
- }
-
- protected internal override void Render (HtmlTextWriter writer)
- {
- PrepareControlHierarchy ();
- if (EnablePagingCallbacks)
- writer.AddAttribute (HtmlTextWriterAttribute.Id, ClientID + "_div");
- writer.RenderBeginTag (HtmlTextWriterTag.Div);
- RenderGrid (writer);
- writer.RenderEndTag ();
- }
-
- void RenderGrid (HtmlTextWriter writer)
- {
- if (table == null)
- return;
- table.Render (writer);
- }
- PostBackOptions IPostBackContainer.GetPostBackOptions (IButtonControl control)
- {
- if (control == null)
- throw new ArgumentNullException ("control");
- if (control.CausesValidation)
- throw new InvalidOperationException ("A button that causes validation in DetailsView '" + 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.");
- PostBackOptions options = new PostBackOptions (this);
- options.Argument = control.CommandName + "$" + control.CommandArgument;
- options.RequiresJavaScriptProtocol = true;
- return options;
- }
- }
- }