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//------------------------------------------------------------------------------
// <copyright file="PanelDesigner.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.Design.MobileControls
{
using System;
using System.Drawing;
using System.ComponentModel;
using System.Diagnostics;
using System.Web.UI.Design.MobileControls.Util;
using System.Web.UI.Design.MobileControls.Adapters;
using System.Web.UI.MobileControls;
using Microsoft.Win32;
using System.Globalization;
/// <summary>
/// <para>
/// Provides design-time support for the <see cref='System.Web.UI.MobileControls.Panel'/>
/// web control.
/// </para>
/// </summary>
/// <seealso cref='System.Web.UI.MobileControls.Panel'/>
[
System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand,
Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)
]
[Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
internal class PanelDesigner : MobileContainerDesigner
{
private Panel _panel;
private TemporaryBitmapFile _backgroundBmpFile = null;
private Size _defaultSize;
internal PanelDesigner()
{
_defaultSize = new Size(300, 45);
}
private bool ValidContainment
{
get
{
return (ContainmentStatus == ContainmentStatus.InForm ||
ContainmentStatus == ContainmentStatus.InPanel ||
ContainmentStatus == ContainmentStatus.InTemplateFrame);
}
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
SystemEvents.UserPreferenceChanged -=
new UserPreferenceChangedEventHandler(this.OnUserPreferenceChanged);
}
base.Dispose(disposing);
}
protected override Size GetDefaultSize()
{
return _defaultSize;
}
protected override String GetErrorMessage(out bool infoMode)
{
infoMode = false;
// Skip containment checking if the control is placed in MobileUserControl
if (DesignerAdapterUtil.InMobileUserControl(_panel))
{
return null;
}
if (DesignerAdapterUtil.InUserControl(_panel))
{
infoMode = true;
return MobileControlDesigner._userControlWarningMessage;
}
if (!DesignerAdapterUtil.InMobilePage(_panel))
{
return SR.GetString(SR.MobileControl_MobilePageErrorMessage);
}
if (!ValidContainment)
{
return SR.GetString(SR.MobileControl_FormPanelContainmentErrorMessage);
}
return null;
}
/// <summary>
/// Initializes the designer with the Form control that this instance
/// of the designer is associated with.
/// </summary>
/// <param name='component'>
/// The associated Form control.
/// </param>
/// <seealso cref='IDesigner'/>
public override void Initialize(IComponent component)
{
Debug.Assert(component is Panel,
"PanelDesigner.Initialize - Invalid Panel Control");
// This must be called first in order to get properties from runtime control.
base.Initialize(component);
_panel = (Panel) component;
SystemEvents.UserPreferenceChanged +=
new UserPreferenceChangedEventHandler(this.OnUserPreferenceChanged);
}
internal override void OnBackgroundImageChange(String message, bool infoMode)
{
if (message == null)
{
RemoveBehaviorStyle("backgroundImage");
SetBehaviorStyle("paddingTop", 8);
}
else
{
ImageCreator.CreateBackgroundImage(
ref _backgroundBmpFile,
String.Empty,
String.Empty,
message,
infoMode,
GetDefaultSize().Width
);
// redraw the background image here
SetBehaviorStyle("backgroundImage",
"url(" + _backgroundBmpFile.Url + ")");
SetBehaviorStyle(
"paddingTop",
_backgroundBmpFile.UnderlyingBitmap.Height + 8
);
}
}
private void OnUserPreferenceChanged(Object sender, UserPreferenceChangedEventArgs e)
{
if (e.Category == UserPreferenceCategory.Color)
{
bool infoMode;
String newMessage = GetErrorMessage(out infoMode);
OnBackgroundImageChange(newMessage, infoMode);
}
}
/// <summary>
/// Adjust the appearance based on current status.
/// </summary>
//protected override void SetStyleAttributes()
protected override void OnContainmentChanged()
{
base.OnContainmentChanged();
SetBehaviorStyle("marginRight",
ContainmentStatus == ContainmentStatus.AtTopLevel ? "30%" : "5px");
SetBehaviorStyle("marginTop", ValidContainment? "3px" : "5px");
SetBehaviorStyle("marginBottom", ValidContainment? "3px" : "5px");
SetBehaviorStyle("width", ValidContainment? "100%" : GetDefaultSize().Width.ToString(CultureInfo.InvariantCulture) + "px");
}
protected override void SetControlDefaultAppearance()
{
base.SetControlDefaultAppearance();
// Customize styles
SetBehaviorStyle("borderStyle", "dotted");
}
}
}
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