Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

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

@@ -0,0 +1,182 @@
+//------------------------------------------------------------------------------
+// <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");
+        }
+    }
+}