Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web.Mobile/UI/MobileControls/Design/FormDesigner.cs

@@ -0,0 +1,213 @@
+//------------------------------------------------------------------------------
+// <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");
+        }
+    }
+}