diff options
Diffstat (limited to 'mcs/class/System.Web/System.Web.UI.WebControls/HyperLinkColumn.cs')
| -rw-r--r-- | mcs/class/System.Web/System.Web.UI.WebControls/HyperLinkColumn.cs | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/mcs/class/System.Web/System.Web.UI.WebControls/HyperLinkColumn.cs b/mcs/class/System.Web/System.Web.UI.WebControls/HyperLinkColumn.cs new file mode 100644 index 00000000000..8ff281b89fc --- /dev/null +++ b/mcs/class/System.Web/System.Web.UI.WebControls/HyperLinkColumn.cs @@ -0,0 +1,262 @@ +// +// System.Web.UI.WebControls.HyperLinkColumn.cs +// +// Authors: +// Gaurav Vaish (gvaish@iitk.ac.in) +// Gonzalo Paniagua Javier (gonzalo@ximian.com) +// Andreas Nahr (ClassDevelopment@A-SoftTech.com) +// +// (c) 2002 Ximian, Inc. (http://www.ximian.com) +// (C) Gaurav Vaish (2002) +// (C) 2003 Andreas Nahr +//
+ +// +// 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.ComponentModel;
+using System.Web;
+using System.Web.UI;
+
+namespace System.Web.UI.WebControls
+{
+ public class HyperLinkColumn: DataGridColumn
+ {
+ PropertyDescriptor textFieldDescriptor;
+ PropertyDescriptor urlFieldDescriptor;
+
+ public HyperLinkColumn ()
+ {
+ }
+ + [DefaultValue (""), WebCategory ("Misc")] + [WebSysDescription ("The field that gets data-bound to the NavigateUrl.")]
+ public virtual string DataNavigateUrlField {
+ get {
+ object o = ViewState ["DataNavigateUrlField"];
+ if (o != null)
+ return (string) o;
+ return String.Empty;
+ }
+
+ set {
+ ViewState ["DataNavigateUrlField"] = value;
+ OnColumnChanged ();
+ }
+ } + + // LAMESPEC should use WebSysDescription as all others do, but MS uses Description here
+ + [DefaultValue (""), WebCategory ("Misc")] + [Description ("The formatting rule for the text content that gets data-bound to the NavigateUrl.")]
+ public virtual string DataNavigateUrlFormatString {
+ get {
+ object o = ViewState ["DataNavigateUrlFormatString"];
+ if (o != null)
+ return (string) o;
+ return String.Empty;
+ }
+
+ set {
+ ViewState ["DataNavigateUrlFormatString"] = value;
+ OnColumnChanged ();
+ }
+ }
+ + [DefaultValue (""), WebCategory ("Misc")] + [WebSysDescription ("The field that gets data-bound to the Text property.")]
+ public virtual string DataTextField {
+ get {
+ object o = ViewState ["DataTextField"];
+ if (o != null)
+ return (string) o;
+ return String.Empty;
+ }
+ set {
+ ViewState ["DataTextField"] = value;
+ OnColumnChanged ();
+ }
+ }
+ + // LAMESPEC should use WebSysDescription as all others do, but MS uses Description here + + [DefaultValue (""), WebCategory ("Misc")] + [Description ("The formatting rule for the text content that gets data-bound to the Text property.")]
+ public virtual string DataTextFormatString {
+ get {
+ object o = ViewState ["DataTextFormatString"];
+ if (o != null)
+ return (string) o;
+ return String.Empty;
+ }
+
+ set {
+ ViewState ["DataTextFormatString"] = value;
+ OnColumnChanged ();
+ }
+ }
+ +#if NET_2_0
+ [UrlPropertyAttribute]
+#endif
+ [DefaultValue (""), WebCategory ("Misc")] + [WebSysDescription ("The URL that this hyperlink links to.")]
+ public virtual string NavigateUrl {
+ get {
+ object o = ViewState ["NavigateUrl"];
+ if (o != null)
+ return (string) o;
+ return String.Empty;
+ }
+
+ set {
+ ViewState ["NavigateUrl"] = value;
+ OnColumnChanged ();
+ }
+ }
+ + [DefaultValue (""), WebCategory ("Misc")] + [WebSysDescription ("The target frame in which the NavigateUrl property should be opened.")]
+ public virtual string Target {
+ get {
+ object o = ViewState ["Target"];
+ if (o != null)
+ return (string) o;
+ return String.Empty;
+ }
+
+ set {
+ ViewState ["Target"] = value;
+ OnColumnChanged ();
+ }
+ }
+ +#if NET_2_0
+ [Localizable (true)]
+#endif
+ [DefaultValue (""), WebCategory ("Misc")] + [WebSysDescription ("The Text for the hyperlink.")]
+ public virtual string Text {
+ get {
+ object o = ViewState ["Text"];
+ if (o != null)
+ return (string) o;
+ return String.Empty;
+ }
+
+ set {
+ ViewState ["Text"] = value;
+ OnColumnChanged ();
+ }
+ }
+
+ public override void Initialize ()
+ {
+ textFieldDescriptor = null;
+ urlFieldDescriptor = null;
+ base.Initialize ();
+ }
+
+ public override void InitializeCell (TableCell cell, int columnIndex, ListItemType itemType)
+ {
+ base.InitializeCell (cell, columnIndex, itemType);
+
+ if (itemType != ListItemType.Header && itemType != ListItemType.Footer) {
+ HyperLink toDisplay = new HyperLink ();
+ toDisplay.Text = Text;
+ toDisplay.NavigateUrl = NavigateUrl;
+ toDisplay.Target = Target;
+
+ if (DataTextField.Length > 0 || DataNavigateUrlField.Length > 0)
+ toDisplay.DataBinding += new EventHandler (OnDataBindHyperLinkColumn);
+
+ cell.Controls.Add (toDisplay);
+ }
+ }
+
+ private void OnDataBindHyperLinkColumn (object sender, EventArgs e) + { + HyperLink link = (HyperLink) sender; + object item = ((DataGridItem) link.NamingContainer).DataItem; + + PropertyDescriptorCollection properties = TypeDescriptor.GetProperties (item); + if (textFieldDescriptor == null) + textFieldDescriptor = properties.Find (DataTextField, true); + + if (urlFieldDescriptor == null) + urlFieldDescriptor = properties.Find (DataNavigateUrlField, true); + + if (DataTextField.Length > 0 && textFieldDescriptor == null && !DesignMode) + throw new HttpException (HttpRuntime.FormatResourceString ( + "Field_Not_Found", DataTextField)); + + if (DataNavigateUrlField.Length > 0 && urlFieldDescriptor == null && !DesignMode) + throw new HttpException (HttpRuntime.FormatResourceString ( + "Field_Not_Found", DataNavigateUrlField)); + + if (textFieldDescriptor != null) { + link.Text = FormatDataTextValue (textFieldDescriptor.GetValue (item)); + } else { + link.Text = Text; + } + + if (urlFieldDescriptor != null) { + link.NavigateUrl = FormatDataNavigateUrlValue (urlFieldDescriptor.GetValue (item)); + return; + } + + if (DataNavigateUrlField.Length != 0 && DesignMode) + link.NavigateUrl = "url"; + } + + protected virtual string FormatDataNavigateUrlValue (object dataUrlValue)
+ {
+ if (dataUrlValue == null)
+ return String.Empty;
+
+ string retVal;
+ if (DataNavigateUrlFormatString.Length > 0) {
+ retVal = String.Format (DataNavigateUrlFormatString, dataUrlValue);
+ } else {
+ retVal = dataUrlValue.ToString ();
+ }
+
+ return retVal;
+ }
+
+ protected virtual string FormatDataTextValue (object dataTextValue)
+ {
+ if (dataTextValue == null)
+ return String.Empty;
+
+ string retVal;
+ if (DataTextFormatString.Length > 0) {
+ retVal = String.Format (DataTextFormatString, dataTextValue);
+ } else {
+ retVal = dataTextValue.ToString ();
+ }
+
+ return retVal;
+ }
+ }
+}
+
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