// Sanjay Gupta (gsanjay@novell.com)
// Lluis Sanchez Gual (lluis@novell.com)
//
-// (C) 2004 Novell, Inc. (http://www.novell.com)
+// (C) 2004-2010 Novell, Inc. (http://www.novell.com)
//
//
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
-
-#if NET_2_0
using System.Collections;
using System.Collections.Specialized;
using System.Web.UI;
using System.ComponentModel;
using System.Security.Permissions;
-namespace System.Web.UI.WebControls {
-
+namespace System.Web.UI.WebControls
+{
[DefaultPropertyAttribute ("HeaderText")]
[TypeConverterAttribute (typeof(ExpandableObjectConverter))]
[AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public abstract class DataControlField : IStateManager, IDataSourceViewSchemaAccessor
{
+ static readonly object fieldChangedEvent = new object ();
+
bool tracking = false;
StateBag viewState;
Control control;
TableItemStyle headerStyle;
TableItemStyle itemStyle;
bool sortingEnabled;
+ EventHandlerList events = new EventHandlerList ();
+
+ internal event EventHandler FieldChanged {
+ add { events.AddHandler (fieldChangedEvent, value); }
+ remove { events.RemoveHandler (fieldChangedEvent, value); }
+ }
protected DataControlField()
{
internal void SetDirty ()
{
- viewState.SetDirty ();
+ viewState.SetDirty (true);
}
protected StateBag ViewState {
{
this.sortingEnabled = sortingEnabled;
this.control = control;
- return true;
+ return false;
}
public virtual void InitializeCell (DataControlFieldCell cell,
DataControlCellType cellType, DataControlRowState rowState, int rowIndex)
{
- if (cellType == DataControlCellType.Header)
- {
- if (HeaderText.Length > 0 || HeaderImageUrl.Length > 0) {
- if (sortingEnabled && SortExpression.Length > 0)
- cell.Controls.Add (new DataControlButton (control, HeaderText, HeaderImageUrl, DataControlCommands.SortCommandName, SortExpression, true));
- else
- cell.Controls.Add (new DataControlButton (control, HeaderText, HeaderImageUrl, string.Empty, string.Empty, true));
- }
- }
- else if (cellType == DataControlCellType.Footer) {
- cell.Text = FooterText;
+ if (cellType == DataControlCellType.Header) {
+ if (HeaderText.Length > 0 && sortingEnabled && SortExpression.Length > 0)
+ cell.Controls.Add ((Control) DataControlButton.CreateButton (String.IsNullOrEmpty (HeaderImageUrl) ? ButtonType.Link : ButtonType.Image, control, HeaderText, HeaderImageUrl, DataControlCommands.SortCommandName, SortExpression, true));
+ else if (HeaderImageUrl.Length > 0) {
+ Image image = new Image ();
+ image.ImageUrl = HeaderImageUrl;
+ cell.Controls.Add (image);
+ } else
+ cell.Text = HeaderText.Length > 0 ? HeaderText : " ";
+ } else if (cellType == DataControlCellType.Footer) {
+ string footerText = FooterText;
+ cell.Text = (footerText.Length > 0) ? footerText : " ";
}
}
protected virtual void OnFieldChanged ()
{
- if (FieldChanged != null)
- FieldChanged (this, EventArgs.Empty);
+ EventHandler eh = events [fieldChangedEvent] as EventHandler;
+
+ if (eh != null)
+ eh (this, EventArgs.Empty);
}
protected virtual void LoadViewState (object savedState)
viewState.LoadViewState (states[0]);
if (states[1] != null)
- ((IStateManager)controlStyle).LoadViewState (states[1]);
+ ((IStateManager)ControlStyle).LoadViewState (states[1]);
if (states[2] != null)
- ((IStateManager)footerStyle).LoadViewState (states[2]);
+ ((IStateManager)FooterStyle).LoadViewState (states[2]);
if (states[3] != null)
- ((IStateManager)headerStyle).LoadViewState (states[3]);
+ ((IStateManager)HeaderStyle).LoadViewState (states[3]);
if (states[4] != null)
- ((IStateManager)itemStyle).LoadViewState (states[4]);
+ ((IStateManager)ItemStyle).LoadViewState (states[4]);
}
- protected virtual object SaveViewState()
+ protected virtual object SaveViewState ()
{
object[] state = new object [5];
state [0] = viewState.SaveViewState ();
return state;
}
- protected virtual void TrackViewState()
+ protected virtual void TrackViewState ()
{
if (controlStyle != null) ((IStateManager) controlStyle).TrackViewState ();
if (footerStyle != null) ((IStateManager) footerStyle).TrackViewState ();
throw new NotSupportedException ("Callback not supported");
}
- void IStateManager.LoadViewState(object savedState)
+ void IStateManager.LoadViewState (object savedState)
{
- LoadViewState(savedState);
+ LoadViewState (savedState);
}
- object IStateManager.SaveViewState()
+ object IStateManager.SaveViewState ()
{
- return SaveViewState();
+ return SaveViewState ();
}
- void IStateManager.TrackViewState()
+ void IStateManager.TrackViewState ()
{
- TrackViewState();
+ TrackViewState ();
}
internal Exception GetNotSupportedPropException (string propName)
return new System.NotSupportedException ("The property '" + propName + "' is not supported in " + GetType().Name);
}
+ internal bool ControlStyleCreated { get { return controlStyle != null; } }
+
+ internal bool HeaderStyleCreated { get { return headerStyle != null; } }
+
+ internal bool FooterStyleCreated { get { return footerStyle != null; } }
+
+ internal bool ItemStyleCreated { get { return itemStyle != null; } }
+
[MonoTODO ("Render this")]
[DefaultValueAttribute ("")]
[LocalizableAttribute (true)]
public virtual string AccessibleHeaderText {
get {
object val = viewState ["accessibleHeaderText"];
- return val != null ? (string) val : "";
+ return val != null ? (string) val : String.Empty;
}
set {
viewState ["accessibleHeaderText"] = value;
[PersistenceModeAttribute (PersistenceMode.InnerProperty)]
[DefaultValueAttribute (null)]
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Content)]
- public virtual Style ControlStyle {
+ public Style ControlStyle {
get {
if (controlStyle == null) {
controlStyle = new Style ();
[DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Content)]
[PersistenceModeAttribute (PersistenceMode.InnerProperty)]
[WebCategoryAttribute ("Styles")]
- public virtual TableItemStyle FooterStyle {
+ public TableItemStyle FooterStyle {
get {
if (footerStyle == null) {
footerStyle = new TableItemStyle ();
public virtual string FooterText {
get {
object val = viewState ["footerText"];
- return val != null ? (string) val : "";
+ return val != null ? (string) val : String.Empty;
}
set {
viewState ["footerText"] = value;
public virtual string HeaderImageUrl {
get {
object val = viewState ["headerImageUrl"];
- return val != null ? (string) val : "";
+ return val != null ? (string) val : String.Empty;
}
set {
viewState ["headerImageUrl"] = value;
[WebCategoryAttribute ("Styles")]
[PersistenceModeAttribute (PersistenceMode.InnerProperty)]
[DefaultValueAttribute (null)]
- public virtual TableItemStyle HeaderStyle {
+ public TableItemStyle HeaderStyle {
get {
if (headerStyle == null) {
headerStyle = new TableItemStyle ();
public virtual string HeaderText {
get {
object val = viewState ["headerText"];
- return val != null ? (string) val : "";
+ return val != null ? (string) val : String.Empty;
}
set {
viewState ["headerText"] = value;
[PersistenceModeAttribute (PersistenceMode.InnerProperty)]
[WebCategoryAttribute ("Styles")]
[DefaultValueAttribute (null)]
- public virtual TableItemStyle ItemStyle {
+ public TableItemStyle ItemStyle {
get {
if (itemStyle == null) {
itemStyle = new TableItemStyle ();
public virtual string SortExpression {
get {
object val = viewState ["sortExpression"];
- return val != null ? (string) val : "";
+ return val != null ? (string) val : String.Empty;
}
set {
viewState ["sortExpression"] = value;
return val != null ? (bool) val : true;
}
set {
+ if (value == Visible)
+ return;
viewState ["visible"] = value;
OnFieldChanged ();
}
set {
viewState ["dataSourceViewSchema"] = value;
}
- }
+ }
- internal event EventHandler FieldChanged;
+ public override string ToString ()
+ {
+ if (string.IsNullOrEmpty (HeaderText))
+ return base.ToString ();
+ return HeaderText;
+ }
}
}
-#endif
projects / mono.git / blobdiff