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//------------------------------------------------------------------------------
// <copyright file="Part.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.WebControls.WebParts {
using System;
using System.ComponentModel;
using System.Drawing.Design;
using System.Web.UI.WebControls;
/// <devdoc>
/// Base class for all Part classes in the WebPart framework. Common to all Part controls are properties that
/// allow the control to be rendered in a modular fashion.
/// </devdoc>
[
Designer("System.Web.UI.Design.WebControls.WebParts.PartDesigner, " + AssemblyRef.SystemDesign),
ParseChildren(true),
PersistChildren(false),
]
public abstract class Part : Panel, INamingContainer, ICompositeControlDesignerAccessor {
// Prevent class from being subclassed outside of our assembly
internal Part() {
}
/// <devdoc>
/// The UI state of the part
/// </devdoc>
[
DefaultValue(PartChromeState.Normal),
WebCategory("WebPartAppearance"),
WebSysDescription(SR.Part_ChromeState),
]
public virtual PartChromeState ChromeState {
get {
object o = ViewState["ChromeState"];
return (o != null) ? (PartChromeState)o : PartChromeState.Normal;
}
set {
if ((value < PartChromeState.Normal) || (value > PartChromeState.Minimized)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["ChromeState"] = value;
}
}
/// <devdoc>
/// The type of frame/border for the part.
/// </devdoc>
[
DefaultValue(PartChromeType.Default),
WebCategory("WebPartAppearance"),
WebSysDescription(SR.Part_ChromeType),
]
public virtual PartChromeType ChromeType {
get {
object o = ViewState["ChromeType"];
return (o != null) ? (PartChromeType)(int)o : PartChromeType.Default;
}
set {
if ((value < PartChromeType.Default) || (value > PartChromeType.BorderOnly)) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["ChromeType"] = (int)value;
}
}
// Copied from CompositeControl
/// <internalonly/>
/// <devdoc>
/// </devdoc>
public override ControlCollection Controls {
get {
EnsureChildControls();
return base.Controls;
}
}
/// <devdoc>
/// Short descriptive text used in tooltips and web part catalog descriptions
/// </devdoc>
[
DefaultValue(""),
Localizable(true),
WebCategory("WebPartAppearance"),
WebSysDescription(SR.Part_Description),
]
public virtual string Description {
get {
string s = (string)ViewState["Description"];
return (s != null) ? s : String.Empty;
}
set {
ViewState["Description"] = value;
}
}
[
// Must use WebSysDefaultValue instead of DefaultValue, since it is overridden in extending classes
Localizable(true),
WebSysDefaultValue(""),
WebCategory("WebPartAppearance"),
WebSysDescription(SR.Part_Title),
]
public virtual string Title {
get {
string s = (string)ViewState["Title"];
return (s != null) ? s : String.Empty;
}
set {
ViewState["Title"] = value;
}
}
// Copied from CompositeControl
/// <devdoc>
/// Perform our own databinding, then perform our child controls' databinding.
/// </devdoc>
public override void DataBind() {
OnDataBinding(EventArgs.Empty);
EnsureChildControls();
DataBindChildren();
}
// Copied from CompositeControl
#region ICompositeControlDesignerAccessor implementation
void ICompositeControlDesignerAccessor.RecreateChildControls() {
ChildControlsCreated = false;
EnsureChildControls();
}
#endregion
}
}
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