5 // Igor Zelmanovich <igorz@mainsoft.com>
7 // (C) 2007 Mainsoft, Inc. http://www.mainsoft.com
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System.Collections.Generic;
33 using System.ComponentModel;
35 namespace System.Web.UI
37 [PersistChildren (false)]
38 [ParseChildren (true)]
39 [DefaultProperty ("AssociatedUpdatePanelID")]
40 [Designer ("System.Web.UI.Design.UpdateProgressDesigner, System.Web.Extensions.Design, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35")]
41 public class UpdateProgress : Control, IScriptControl
43 ITemplate _progressTemplate;
44 ScriptManager _scriptManager;
46 [Category ("Behavior")]
48 [IDReferenceProperty (typeof (UpdatePanel))]
49 public string AssociatedUpdatePanelID {
51 string value = AssociatedUpdatePanelIDInternal;
57 AssociatedUpdatePanelIDInternal = value;
61 public string AssociatedUpdatePanelIDInternal {
63 return (string) ViewState ["AssociatedUpdatePanelID"];
66 ViewState ["AssociatedUpdatePanelID"] = value;
70 [Category ("Behavior")]
72 public int DisplayAfter {
74 object o = ViewState ["DisplayAfter"];
80 ViewState ["DisplayAfter"] = value;
84 [Category ("Behavior")]
86 public bool DynamicLayout {
88 object o = ViewState ["DynamicLayout"];
94 ViewState ["DynamicLayout"] = value;
98 [PersistenceMode (PersistenceMode.InnerProperty)]
100 public ITemplate ProgressTemplate {
102 return _progressTemplate;
105 _progressTemplate = value;
109 ScriptManager ScriptManager {
111 if (_scriptManager == null) {
112 _scriptManager = ScriptManager.GetCurrent (Page);
113 if (_scriptManager == null)
114 throw new InvalidOperationException (String.Format ("The control with ID '{0}' requires a ScriptManager on the page. The ScriptManager must appear before any controls that need it.", ID));
116 return _scriptManager;
120 protected virtual IEnumerable<ScriptDescriptor> GetScriptDescriptors () {
121 ScriptControlDescriptor descriptor = new ScriptControlDescriptor ("Sys.UI._UpdateProgress", this.ClientID);
122 descriptor.AddProperty ("associatedUpdatePanelId", AssociatedUpdatePanelIDInternal);
123 descriptor.AddProperty ("displayAfter", DisplayAfter);
124 descriptor.AddProperty ("dynamicLayout", DynamicLayout);
125 yield return descriptor;
128 protected virtual IEnumerable<ScriptReference> GetScriptReferences () {
132 protected override void OnPreRender (EventArgs e) {
133 base.OnPreRender (e);
134 ScriptManager.RegisterScriptControl (this);
136 if (_progressTemplate == null)
137 throw new InvalidOperationException (String.Format ("A ProgressTemplate must be specified on UpdateProgress control with ID '{0}'.", ID));
139 Control container = new Control ();
140 _progressTemplate.InstantiateIn (container);
141 Controls.Add (container);
144 protected override void Render (HtmlTextWriter writer) {
146 writer.AddStyleAttribute (HtmlTextWriterStyle.Display, "none");
148 writer.AddStyleAttribute (HtmlTextWriterStyle.Display, "block");
149 writer.AddStyleAttribute (HtmlTextWriterStyle.Visibility, "hidden");
151 writer.AddAttribute (HtmlTextWriterAttribute.Id, ClientID);
152 writer.RenderBeginTag (HtmlTextWriterTag.Div);
153 base.Render (writer);
154 writer.RenderEndTag ();
156 ScriptManager.RegisterScriptDescriptors (this);
159 #region IScriptControl Members
161 IEnumerable<ScriptDescriptor> IScriptControl.GetScriptDescriptors () {
162 return GetScriptDescriptors ();
165 IEnumerable<ScriptReference> IScriptControl.GetScriptReferences () {
166 return GetScriptReferences ();