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//------------------------------------------------------------------------------
// <copyright file="FormDesigner.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.Design.MobileControls
{
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
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;
/// <summary>
/// <para>
/// Provides design-time support for the <see cref='System.Web.UI.MobileControls.Form'/>
/// mobile control.
/// </para>
/// </summary>
/// <seealso cref='System.Web.UI.MobileControls.Form'/>
[
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 FormDesigner : MobileContainerDesigner
{
private Form _form;
private TemporaryBitmapFile _backgroundBmpFile = null;
private static readonly Attribute[] _emptyAttrs = new Attribute[0];
private const String _titlePropertyName = "Title";
public override String ID
{
get
{
return base.ID;
}
set
{
base.ID = value;
ChangeBackgroundImage();
}
}
public virtual String Title
{
get
{
return _form.Title;
}
set
{
_form.Title = value;
ChangeBackgroundImage();
}
}
private bool ValidContainment
{
get
{
return (ContainmentStatus == ContainmentStatus.AtTopLevel);
}
}
private void ChangeBackgroundImage()
{
bool infoMode = false;
String newMessage = GetErrorMessage(out infoMode);
OnBackgroundImageChange(newMessage, infoMode);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
SystemEvents.UserPreferenceChanged -=
new UserPreferenceChangedEventHandler(this.OnUserPreferenceChanged);
}
base.Dispose(disposing);
}
protected override String GetErrorMessage(out bool infoMode)
{
infoMode = false;
if (!DesignerAdapterUtil.InMobileUserControl(_form))
{
if (DesignerAdapterUtil.InUserControl(_form))
{
infoMode = true;
return MobileControlDesigner._userControlWarningMessage;
}
if (!DesignerAdapterUtil.InMobilePage(_form))
{
return SR.GetString(SR.MobileControl_MobilePageErrorMessage);
}
}
if (!ValidContainment)
{
return SR.GetString(SR.MobileControl_TopPageContainmentErrorMessage);
}
return null;
}
/// <summary>
/// <para>
/// Initializes the designer using
/// the specified component.
/// </para>
/// </summary>
/// <param name='component'>
/// The control element being designed.
/// </param>
/// <remarks>
/// <para>
/// This is called by the designer host to establish the component being
/// designed.
/// </para>
/// </remarks>
/// <seealso cref='System.ComponentModel.Design.IDesigner'/>
public override void Initialize(IComponent component)
{
Debug.Assert(component is Form,
"FormDesigner.Initialize - Invalid Form Control");
// This must be called first in order to get properties from runtime control.
base.Initialize(component);
_form = (Form) component;
if (_form.DeviceSpecific != null) {
_form.DeviceSpecific = null;
}
SystemEvents.UserPreferenceChanged +=
new UserPreferenceChangedEventHandler(this.OnUserPreferenceChanged);
}
internal override void OnBackgroundImageChange(String message, bool infoMode)
{
ImageCreator.CreateBackgroundImage(
ref _backgroundBmpFile,
_form.ID,
_form.Title,
message,
infoMode,
GetDefaultSize().Width
);
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 OnContainmentChanged()
{
base.OnContainmentChanged();
SetBehaviorStyle("marginTop", ValidContainment ? "5px" : "3px");
SetBehaviorStyle("marginBottom", ValidContainment ? "5px" : "3px");
SetBehaviorStyle("marginRight", ValidContainment ? "30%" : "5px");
}
protected override void PreFilterProperties(IDictionary properties)
{
base.PreFilterProperties(properties);
PropertyDescriptor prop = (PropertyDescriptor)properties[_titlePropertyName];
Debug.Assert(prop != null);
properties[_titlePropertyName] =
TypeDescriptor.CreateProperty(GetType(), prop, _emptyAttrs);
}
protected override void SetControlDefaultAppearance()
{
base.SetControlDefaultAppearance();
// Customized border style
SetBehaviorStyle("borderStyle", "solid");
}
}
}
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