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//------------------------------------------------------------------------------
// <copyright file="PageCatalogPart.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
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;
/// <devdoc>
/// </devdoc>
[
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;
}
/// <internalonly/>
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
}
}
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