PageCatalogPart.cs source code in C# .NET

                        
Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebParts / PageCatalogPart.cs / 1305376 / PageCatalogPart.cs
                        

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

namespace System.Web.UI.WebControls.WebParts { 
 
    using System;
    using System.Collections; 
    using System.Collections.Specialized;
    using System.ComponentModel;
    using System.Diagnostics;
    using System.Drawing; 
    using System.Globalization;
    using System.Web; 
    using System.Web.Security; 
    using System.Web.UI;
    using System.Web.UI.WebControls; 

    /// 
    /// 
    [ 
    Designer("System.Web.UI.Design.WebControls.WebParts.PageCatalogPartDesigner, " + AssemblyRef.SystemDesign),
    ] 
    public sealed class PageCatalogPart : CatalogPart { 

        private WebPartDescriptionCollection _availableWebPartDescriptions; 

        private static readonly WebPartDescriptionCollection DesignModeAvailableWebParts =
            new WebPartDescriptionCollection(new WebPartDescription[] {
                new WebPartDescription("webpart1", String.Format(CultureInfo.CurrentCulture, 
                    SR.GetString(SR.CatalogPart_SampleWebPartTitle), "1"), null, null),
                new WebPartDescription("webpart2", String.Format(CultureInfo.CurrentCulture, 
                    SR.GetString(SR.CatalogPart_SampleWebPartTitle), "2"), null, null), 
                new WebPartDescription("webpart3", String.Format(CultureInfo.CurrentCulture,
                    SR.GetString(SR.CatalogPart_SampleWebPartTitle), "3"), null, null), 
            });

        [
        WebSysDefaultValue(SR.PageCatalogPart_PartTitle), 
        ]
        public override string Title { 
            get { 
                string s = (string)ViewState["Title"];
                return (s != null) ? s : SR.GetString(SR.PageCatalogPart_PartTitle); 
            }
            set {
                ViewState["Title"] = value;
            } 
        }
 
        public override WebPartDescriptionCollection GetAvailableWebPartDescriptions() { 
            if (DesignMode) {
                return DesignModeAvailableWebParts; 
            }

            if (_availableWebPartDescriptions == null) {
                WebPartCollection availableWebParts; 
                if (WebPartManager != null) {
                    WebPartCollection closedWebParts = GetClosedWebParts(); 
                    if (closedWebParts != null) { 
                        availableWebParts = closedWebParts;
                    } 
                    else {
                        availableWebParts = new WebPartCollection();
                    }
                } 
                else {
                    availableWebParts = new WebPartCollection(); 
                } 

                ArrayList descriptions = new ArrayList(); 
                foreach(WebPart part in availableWebParts) {
                    // Do not show UnauthorizedWebParts (VSWhidbey 429514)
                    if (part is UnauthorizedWebPart) {
                        continue; 
                    }
 
                    WebPartDescription description = new WebPartDescription(part); 
                    descriptions.Add(description);
                } 

                _availableWebPartDescriptions = new WebPartDescriptionCollection(descriptions);
            }
 
            return _availableWebPartDescriptions;
        } 
 
        private WebPartCollection GetClosedWebParts() {
            // WebPartManager is checked for null in calling code 
            Debug.Assert(WebPartManager != null);

            ArrayList closedWebParts = new ArrayList();
 
            WebPartCollection webParts = WebPartManager.WebParts;
            if (webParts != null) { 
                foreach (WebPart part in webParts) { 
                    if (part.IsClosed) {
                        closedWebParts.Add(part); 
                    }
                }
            }
 
            return new WebPartCollection(closedWebParts);
        } 
 
        public override WebPart GetWebPart(WebPartDescription description) {
            if (description == null) { 
                throw new ArgumentNullException("description");
            }

            WebPartDescriptionCollection webPartDescriptions = GetAvailableWebPartDescriptions(); 
            if (!webPartDescriptions.Contains(description)) {
                throw new ArgumentException(SR.GetString(SR.CatalogPart_UnknownDescription), "description"); 
            } 

            return description.WebPart; 
        }

        /// 
        protected internal override void OnInit(EventArgs e) { 
            base.OnInit(e);
 
            if (WebPartManager != null) { 
                WebPartManager.WebPartAdded += new WebPartEventHandler(this.OnWebPartsChanged);
                WebPartManager.WebPartClosed += new WebPartEventHandler(this.OnWebPartsChanged); 
                WebPartManager.WebPartDeleted += new WebPartEventHandler(this.OnWebPartsChanged);
            }
        }
 
        protected internal override void OnPreRender(EventArgs e) {
            base.OnPreRender(e); 
 
            // Invalidate cache, since the DisplayTitles may not have been available the first time
            // we created the WebPartDescriptions (VSWhidbey 355573) 
            _availableWebPartDescriptions = null;
        }

        private void OnWebPartsChanged(object sender, WebPartEventArgs e) { 
            // Invalidate cache
            _availableWebPartDescriptions = null; 
        } 

        // Override Render to render nothing by default, since the CatalogPartChrome renders the 
        // AvailableWebParts.  A CatalogPart only needs to render something if it wants
        // additional rendering above the AvailableWebParts.
        protected internal override void Render(HtmlTextWriter writer) {
        } 

        #region Overriden to hide in the designer (VSWhidbey 353577) 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override string AccessKey {
            get { return base.AccessKey; } 
            set { base.AccessKey = value; }
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override Color BackColor {
            get { return base.BackColor; } 
            set { base.BackColor = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override string BackImageUrl {
            get { return base.BackImageUrl; }
            set { base.BackImageUrl = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override Color BorderColor {
            get { return base.BorderColor; } 
            set { base.BorderColor = value; }
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override BorderStyle BorderStyle {
            get { return base.BorderStyle; } 
            set { base.BorderStyle = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override Unit BorderWidth {
            get { return base.BorderWidth; }
            set { base.BorderWidth = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false), CssClassProperty()] 
        public override string CssClass {
            get { return base.CssClass; } 
            set { base.CssClass = value; }
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override string DefaultButton {
            get { return base.DefaultButton; } 
            set { base.DefaultButton = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override ContentDirection Direction {
            get { return base.Direction; }
            set { base.Direction = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override bool Enabled {
            get { return base.Enabled; } 
            set { base.Enabled = value; }
        }

        [Browsable(false), DefaultValue(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override bool EnableTheming {
            get { return false; } 
            set { throw new NotSupportedException(SR.GetString(SR.NoThemingSupport, this.GetType().Name)); } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override FontInfo Font {
            get { return base.Font; }
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override Color ForeColor { 
            get { return base.ForeColor; }
            set { base.ForeColor = value; } 
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override string GroupingText { 
            get { return base.GroupingText; }
            set { base.GroupingText = value; } 
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override Unit Height {
            get { return base.Height; }
            set { base.Height = value; }
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override HorizontalAlign HorizontalAlign { 
            get { return base.HorizontalAlign; }
            set { base.HorizontalAlign = value; } 
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override ScrollBars ScrollBars { 
            get { return base.ScrollBars; }
            set { base.ScrollBars = value; } 
        } 

        [Browsable(false), DefaultValue(""), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override string SkinID {
            get { return String.Empty; }
            set { throw new NotSupportedException(SR.GetString(SR.NoThemingSupport, this.GetType().Name)); }
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override short TabIndex { 
            get { return base.TabIndex; }
            set { base.TabIndex = value; } 
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override string ToolTip { 
            get { return base.ToolTip; }
            set { base.ToolTip = value; } 
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override bool Visible {
            get { return base.Visible; }
            set { base.Visible = value; }
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override Unit Width { 
            get { return base.Width; }
            set { base.Width = value; } 
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override bool Wrap { 
            get { return base.Wrap; }
            set { base.Wrap = value; } 
        } 
        #endregion
    } 
}


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

namespace System.Web.UI.WebControls.WebParts { 
 
    using System;
    using System.Collections; 
    using System.Collections.Specialized;
    using System.ComponentModel;
    using System.Diagnostics;
    using System.Drawing; 
    using System.Globalization;
    using System.Web; 
    using System.Web.Security; 
    using System.Web.UI;
    using System.Web.UI.WebControls; 

    /// 
    /// 
    [ 
    Designer("System.Web.UI.Design.WebControls.WebParts.PageCatalogPartDesigner, " + AssemblyRef.SystemDesign),
    ] 
    public sealed class PageCatalogPart : CatalogPart { 

        private WebPartDescriptionCollection _availableWebPartDescriptions; 

        private static readonly WebPartDescriptionCollection DesignModeAvailableWebParts =
            new WebPartDescriptionCollection(new WebPartDescription[] {
                new WebPartDescription("webpart1", String.Format(CultureInfo.CurrentCulture, 
                    SR.GetString(SR.CatalogPart_SampleWebPartTitle), "1"), null, null),
                new WebPartDescription("webpart2", String.Format(CultureInfo.CurrentCulture, 
                    SR.GetString(SR.CatalogPart_SampleWebPartTitle), "2"), null, null), 
                new WebPartDescription("webpart3", String.Format(CultureInfo.CurrentCulture,
                    SR.GetString(SR.CatalogPart_SampleWebPartTitle), "3"), null, null), 
            });

        [
        WebSysDefaultValue(SR.PageCatalogPart_PartTitle), 
        ]
        public override string Title { 
            get { 
                string s = (string)ViewState["Title"];
                return (s != null) ? s : SR.GetString(SR.PageCatalogPart_PartTitle); 
            }
            set {
                ViewState["Title"] = value;
            } 
        }
 
        public override WebPartDescriptionCollection GetAvailableWebPartDescriptions() { 
            if (DesignMode) {
                return DesignModeAvailableWebParts; 
            }

            if (_availableWebPartDescriptions == null) {
                WebPartCollection availableWebParts; 
                if (WebPartManager != null) {
                    WebPartCollection closedWebParts = GetClosedWebParts(); 
                    if (closedWebParts != null) { 
                        availableWebParts = closedWebParts;
                    } 
                    else {
                        availableWebParts = new WebPartCollection();
                    }
                } 
                else {
                    availableWebParts = new WebPartCollection(); 
                } 

                ArrayList descriptions = new ArrayList(); 
                foreach(WebPart part in availableWebParts) {
                    // Do not show UnauthorizedWebParts (VSWhidbey 429514)
                    if (part is UnauthorizedWebPart) {
                        continue; 
                    }
 
                    WebPartDescription description = new WebPartDescription(part); 
                    descriptions.Add(description);
                } 

                _availableWebPartDescriptions = new WebPartDescriptionCollection(descriptions);
            }
 
            return _availableWebPartDescriptions;
        } 
 
        private WebPartCollection GetClosedWebParts() {
            // WebPartManager is checked for null in calling code 
            Debug.Assert(WebPartManager != null);

            ArrayList closedWebParts = new ArrayList();
 
            WebPartCollection webParts = WebPartManager.WebParts;
            if (webParts != null) { 
                foreach (WebPart part in webParts) { 
                    if (part.IsClosed) {
                        closedWebParts.Add(part); 
                    }
                }
            }
 
            return new WebPartCollection(closedWebParts);
        } 
 
        public override WebPart GetWebPart(WebPartDescription description) {
            if (description == null) { 
                throw new ArgumentNullException("description");
            }

            WebPartDescriptionCollection webPartDescriptions = GetAvailableWebPartDescriptions(); 
            if (!webPartDescriptions.Contains(description)) {
                throw new ArgumentException(SR.GetString(SR.CatalogPart_UnknownDescription), "description"); 
            } 

            return description.WebPart; 
        }

        /// 
        protected internal override void OnInit(EventArgs e) { 
            base.OnInit(e);
 
            if (WebPartManager != null) { 
                WebPartManager.WebPartAdded += new WebPartEventHandler(this.OnWebPartsChanged);
                WebPartManager.WebPartClosed += new WebPartEventHandler(this.OnWebPartsChanged); 
                WebPartManager.WebPartDeleted += new WebPartEventHandler(this.OnWebPartsChanged);
            }
        }
 
        protected internal override void OnPreRender(EventArgs e) {
            base.OnPreRender(e); 
 
            // Invalidate cache, since the DisplayTitles may not have been available the first time
            // we created the WebPartDescriptions (VSWhidbey 355573) 
            _availableWebPartDescriptions = null;
        }

        private void OnWebPartsChanged(object sender, WebPartEventArgs e) { 
            // Invalidate cache
            _availableWebPartDescriptions = null; 
        } 

        // Override Render to render nothing by default, since the CatalogPartChrome renders the 
        // AvailableWebParts.  A CatalogPart only needs to render something if it wants
        // additional rendering above the AvailableWebParts.
        protected internal override void Render(HtmlTextWriter writer) {
        } 

        #region Overriden to hide in the designer (VSWhidbey 353577) 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override string AccessKey {
            get { return base.AccessKey; } 
            set { base.AccessKey = value; }
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override Color BackColor {
            get { return base.BackColor; } 
            set { base.BackColor = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override string BackImageUrl {
            get { return base.BackImageUrl; }
            set { base.BackImageUrl = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override Color BorderColor {
            get { return base.BorderColor; } 
            set { base.BorderColor = value; }
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override BorderStyle BorderStyle {
            get { return base.BorderStyle; } 
            set { base.BorderStyle = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override Unit BorderWidth {
            get { return base.BorderWidth; }
            set { base.BorderWidth = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false), CssClassProperty()] 
        public override string CssClass {
            get { return base.CssClass; } 
            set { base.CssClass = value; }
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override string DefaultButton {
            get { return base.DefaultButton; } 
            set { base.DefaultButton = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override ContentDirection Direction {
            get { return base.Direction; }
            set { base.Direction = value; } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override bool Enabled {
            get { return base.Enabled; } 
            set { base.Enabled = value; }
        }

        [Browsable(false), DefaultValue(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override bool EnableTheming {
            get { return false; } 
            set { throw new NotSupportedException(SR.GetString(SR.NoThemingSupport, this.GetType().Name)); } 
        }
 
        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override FontInfo Font {
            get { return base.Font; }
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override Color ForeColor { 
            get { return base.ForeColor; }
            set { base.ForeColor = value; } 
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override string GroupingText { 
            get { return base.GroupingText; }
            set { base.GroupingText = value; } 
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override Unit Height {
            get { return base.Height; }
            set { base.Height = value; }
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override HorizontalAlign HorizontalAlign { 
            get { return base.HorizontalAlign; }
            set { base.HorizontalAlign = value; } 
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override ScrollBars ScrollBars { 
            get { return base.ScrollBars; }
            set { base.ScrollBars = value; } 
        } 

        [Browsable(false), DefaultValue(""), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override string SkinID {
            get { return String.Empty; }
            set { throw new NotSupportedException(SR.GetString(SR.NoThemingSupport, this.GetType().Name)); }
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override short TabIndex { 
            get { return base.TabIndex; }
            set { base.TabIndex = value; } 
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override string ToolTip { 
            get { return base.ToolTip; }
            set { base.ToolTip = value; } 
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override bool Visible {
            get { return base.Visible; }
            set { base.Visible = value; }
        } 

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)] 
        public override Unit Width { 
            get { return base.Width; }
            set { base.Width = value; } 
        }

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), Themeable(false)]
        public override bool Wrap { 
            get { return base.Wrap; }
            set { base.Wrap = value; } 
        } 
        #endregion
    } 
}


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

                        

                        
                        

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