UpdateProgress.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / xsp / System / Web / Extensions / ui / UpdateProgress.cs / 2 / UpdateProgress.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI { 
    using System; 
    using System.Collections.Generic;
    using System.ComponentModel; 
    using System.Diagnostics.CodeAnalysis;
    using System.Drawing;
    using System.Globalization;
    using System.Security.Permissions; 
    using System.Text;
    using System.Web; 
    using System.Web.UI; 
    using System.Web.Script;
    using System.Web.Resources; 
    using System.Web.Util;

    [
    AspNetHostingPermission(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal), 
    AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal),
    DefaultProperty("AssociatedUpdatePanelID"), 
    Designer("System.Web.UI.Design.UpdateProgressDesigner, " + AssemblyRef.SystemWebExtensionsDesign), 
    ParseChildren(true),
    PersistChildren(false), 
    ToolboxBitmap(typeof(EmbeddedResourceFinder), "System.Web.Resources.UpdateProgress.bmp"),
    ToolboxItemFilterAttribute(AssemblyRef.SystemWebExtensions, ToolboxItemFilterType.Require),
    ]
    public class UpdateProgress : Control, IScriptControl { 
        private ITemplate _progressTemplate;
        private Control _progressTemplateContainer; 
        private int _displayAfter = 500; 
        private bool _dynamicLayout = true;
        private string _associatedUpdatePanelID; 

        [
        Category("Behavior"),
        DefaultValue(""), 
        IDReferenceProperty(typeof(UpdatePanel)),
        ResourceDescription("UpdateProgress_AssociatedUpdatePanelID"), 
        SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID"), 
        TypeConverter("System.Web.UI.Design.UpdateProgressAssociatedUpdatePanelIDConverter")
        ] 
        public string AssociatedUpdatePanelID {
            get {
                if (_associatedUpdatePanelID == null) {
                    return String.Empty; 
                }
                return _associatedUpdatePanelID; 
            } 
            set {
                _associatedUpdatePanelID = value; 
            }
        }

        public override ControlCollection Controls { 
            get {
                EnsureChildControls(); 
                return base.Controls; 
            }
        } 

        [
        DefaultValue(500),
        ResourceDescription("UpdateProgress_DisplayAfter"), 
        Category("Behavior")
        ] 
        public int DisplayAfter { 
            get {
                return _displayAfter; 
            }
            set {
                if (value < 0) {
                    throw new ArgumentOutOfRangeException(AtlasWeb.UpdateProgress_DisplayAfterInvalid); 
                }
                _displayAfter = value; 
            } 
        }
 
        [
        Browsable(false),
        PersistenceMode(PersistenceMode.InnerProperty),
        ResourceDescription("UpdateProgress_ProgressTemplate"), 
        ]
        public ITemplate ProgressTemplate { 
            get { 
                return _progressTemplate;
            } 
            set {
                _progressTemplate = value;
            }
        } 

        [ 
        DefaultValue(true), 
        ResourceDescription("UpdateProgress_DynamicLayout"),
        Category("Behavior") 
        ]
        public bool DynamicLayout {
            get {
                return _dynamicLayout; 
            }
            set { 
                _dynamicLayout = value; 
            }
        } 

        private ScriptManager ScriptManager {
            get {
                ScriptManager scriptManager = ScriptManager.GetCurrent(Page); 
                if (scriptManager == null) {
                    throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, AtlasWeb.Common_ScriptManagerRequired, ID)); 
                } 
                return scriptManager;
            } 
        }

        protected internal override void CreateChildControls() {
            // Set up the progress template 
            if (_progressTemplate != null) {
                _progressTemplateContainer = new Control(); 
                _progressTemplate.InstantiateIn(_progressTemplateContainer); 
                Controls.Add(_progressTemplateContainer);
            } 
        }

        public override void DataBind() {
            EnsureChildControls(); 
            base.DataBind();
        } 
 
        [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")]
        protected internal override void OnPreRender(EventArgs e) { 
            base.OnPreRender(e);

            ScriptManager.RegisterScriptControl(this);
        } 

        protected internal override void Render(HtmlTextWriter writer) { 
            EnsureChildControls(); 

            writer.AddAttribute(HtmlTextWriterAttribute.Id, ClientID); 
            if (_dynamicLayout) {
                writer.AddStyleAttribute(HtmlTextWriterStyle.Display, "none");
            }
            else { 
                writer.AddStyleAttribute(HtmlTextWriterStyle.Visibility, "hidden");
                writer.AddStyleAttribute(HtmlTextWriterStyle.Display, "block"); 
            } 
            writer.RenderBeginTag(HtmlTextWriterTag.Div);
            base.Render(writer); 
            writer.RenderEndTag(); // div

            if (!DesignMode) {
                ScriptManager.RegisterScriptDescriptors(this); 
            }
        } 
 
        [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate",
            Justification = "Matches IScriptControl interface.")] 
        protected virtual IEnumerable GetScriptReferences() {
            yield break;
        }
 
        [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate",
            Justification = "Matches IScriptControl interface.")] 
        protected virtual IEnumerable GetScriptDescriptors() { 
            // Don't render any scripts when partial rendering is not enabled
            if (Page != null && ScriptManager.SupportsPartialRendering && Visible) { 
                ScriptControlDescriptor desc = new ScriptControlDescriptor("Sys.UI._UpdateProgress", ClientID);
                string updatePanelClientID = null;
                if (!String.IsNullOrEmpty(AssociatedUpdatePanelID)) {
                    // Try both the NamingContainer and the Page 
                    UpdatePanel c = ControlUtil.FindTargetControl(AssociatedUpdatePanelID, this, true) as UpdatePanel;
                    if (c != null) 
                        updatePanelClientID = c.ClientID; 
                    else {
                        throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, AtlasWeb.UpdateProgress_NoUpdatePanel, AssociatedUpdatePanelID)); 
                    }
                }
                desc.AddProperty("associatedUpdatePanelId", updatePanelClientID);
                desc.AddProperty("dynamicLayout", DynamicLayout); 
                desc.AddProperty("displayAfter", DisplayAfter);
                yield return desc; 
            } 

            yield break; 
        }

        #region IScriptControl Members
 
        IEnumerable IScriptControl.GetScriptReferences() {
            return GetScriptReferences(); 
        } 

        IEnumerable IScriptControl.GetScriptDescriptors() { 
            return GetScriptDescriptors();
        }

        #endregion 
    }
} 
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI { 
    using System; 
    using System.Collections.Generic;
    using System.ComponentModel; 
    using System.Diagnostics.CodeAnalysis;
    using System.Drawing;
    using System.Globalization;
    using System.Security.Permissions; 
    using System.Text;
    using System.Web; 
    using System.Web.UI; 
    using System.Web.Script;
    using System.Web.Resources; 
    using System.Web.Util;

    [
    AspNetHostingPermission(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal), 
    AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal),
    DefaultProperty("AssociatedUpdatePanelID"), 
    Designer("System.Web.UI.Design.UpdateProgressDesigner, " + AssemblyRef.SystemWebExtensionsDesign), 
    ParseChildren(true),
    PersistChildren(false), 
    ToolboxBitmap(typeof(EmbeddedResourceFinder), "System.Web.Resources.UpdateProgress.bmp"),
    ToolboxItemFilterAttribute(AssemblyRef.SystemWebExtensions, ToolboxItemFilterType.Require),
    ]
    public class UpdateProgress : Control, IScriptControl { 
        private ITemplate _progressTemplate;
        private Control _progressTemplateContainer; 
        private int _displayAfter = 500; 
        private bool _dynamicLayout = true;
        private string _associatedUpdatePanelID; 

        [
        Category("Behavior"),
        DefaultValue(""), 
        IDReferenceProperty(typeof(UpdatePanel)),
        ResourceDescription("UpdateProgress_AssociatedUpdatePanelID"), 
        SuppressMessage("Microsoft.Naming", "CA1709:IdentifiersShouldBeCasedCorrectly", MessageId = "ID"), 
        TypeConverter("System.Web.UI.Design.UpdateProgressAssociatedUpdatePanelIDConverter")
        ] 
        public string AssociatedUpdatePanelID {
            get {
                if (_associatedUpdatePanelID == null) {
                    return String.Empty; 
                }
                return _associatedUpdatePanelID; 
            } 
            set {
                _associatedUpdatePanelID = value; 
            }
        }

        public override ControlCollection Controls { 
            get {
                EnsureChildControls(); 
                return base.Controls; 
            }
        } 

        [
        DefaultValue(500),
        ResourceDescription("UpdateProgress_DisplayAfter"), 
        Category("Behavior")
        ] 
        public int DisplayAfter { 
            get {
                return _displayAfter; 
            }
            set {
                if (value < 0) {
                    throw new ArgumentOutOfRangeException(AtlasWeb.UpdateProgress_DisplayAfterInvalid); 
                }
                _displayAfter = value; 
            } 
        }
 
        [
        Browsable(false),
        PersistenceMode(PersistenceMode.InnerProperty),
        ResourceDescription("UpdateProgress_ProgressTemplate"), 
        ]
        public ITemplate ProgressTemplate { 
            get { 
                return _progressTemplate;
            } 
            set {
                _progressTemplate = value;
            }
        } 

        [ 
        DefaultValue(true), 
        ResourceDescription("UpdateProgress_DynamicLayout"),
        Category("Behavior") 
        ]
        public bool DynamicLayout {
            get {
                return _dynamicLayout; 
            }
            set { 
                _dynamicLayout = value; 
            }
        } 

        private ScriptManager ScriptManager {
            get {
                ScriptManager scriptManager = ScriptManager.GetCurrent(Page); 
                if (scriptManager == null) {
                    throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, AtlasWeb.Common_ScriptManagerRequired, ID)); 
                } 
                return scriptManager;
            } 
        }

        protected internal override void CreateChildControls() {
            // Set up the progress template 
            if (_progressTemplate != null) {
                _progressTemplateContainer = new Control(); 
                _progressTemplate.InstantiateIn(_progressTemplateContainer); 
                Controls.Add(_progressTemplateContainer);
            } 
        }

        public override void DataBind() {
            EnsureChildControls(); 
            base.DataBind();
        } 
 
        [SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")]
        protected internal override void OnPreRender(EventArgs e) { 
            base.OnPreRender(e);

            ScriptManager.RegisterScriptControl(this);
        } 

        protected internal override void Render(HtmlTextWriter writer) { 
            EnsureChildControls(); 

            writer.AddAttribute(HtmlTextWriterAttribute.Id, ClientID); 
            if (_dynamicLayout) {
                writer.AddStyleAttribute(HtmlTextWriterStyle.Display, "none");
            }
            else { 
                writer.AddStyleAttribute(HtmlTextWriterStyle.Visibility, "hidden");
                writer.AddStyleAttribute(HtmlTextWriterStyle.Display, "block"); 
            } 
            writer.RenderBeginTag(HtmlTextWriterTag.Div);
            base.Render(writer); 
            writer.RenderEndTag(); // div

            if (!DesignMode) {
                ScriptManager.RegisterScriptDescriptors(this); 
            }
        } 
 
        [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate",
            Justification = "Matches IScriptControl interface.")] 
        protected virtual IEnumerable GetScriptReferences() {
            yield break;
        }
 
        [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate",
            Justification = "Matches IScriptControl interface.")] 
        protected virtual IEnumerable GetScriptDescriptors() { 
            // Don't render any scripts when partial rendering is not enabled
            if (Page != null && ScriptManager.SupportsPartialRendering && Visible) { 
                ScriptControlDescriptor desc = new ScriptControlDescriptor("Sys.UI._UpdateProgress", ClientID);
                string updatePanelClientID = null;
                if (!String.IsNullOrEmpty(AssociatedUpdatePanelID)) {
                    // Try both the NamingContainer and the Page 
                    UpdatePanel c = ControlUtil.FindTargetControl(AssociatedUpdatePanelID, this, true) as UpdatePanel;
                    if (c != null) 
                        updatePanelClientID = c.ClientID; 
                    else {
                        throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture, AtlasWeb.UpdateProgress_NoUpdatePanel, AssociatedUpdatePanelID)); 
                    }
                }
                desc.AddProperty("associatedUpdatePanelId", updatePanelClientID);
                desc.AddProperty("dynamicLayout", DynamicLayout); 
                desc.AddProperty("displayAfter", DisplayAfter);
                yield return desc; 
            } 

            yield break; 
        }

        #region IScriptControl Members
 
        IEnumerable IScriptControl.GetScriptReferences() {
            return GetScriptReferences(); 
        } 

        IEnumerable IScriptControl.GetScriptDescriptors() { 
            return GetScriptDescriptors();
        }

        #endregion 
    }
} 
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK