Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Design / Converters / FormConverter.cs / 1305376 / FormConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.Design.MobileControls.Converters { using System.Diagnostics; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Web.UI; using System.Web.UI.MobileControls; using System.Web.UI.Design.MobileControls.Adapters; ////// [ 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 FormConverter : StringConverter { private Form GetContainingForm(MobileControl mc) { return FindContainer(mc, typeof(Form)) as Form; } private StyleSheet GetContainingStyleSheet(MobileControl mc) { return FindContainer(mc, typeof(StyleSheet)) as StyleSheet; } private Control FindContainer(MobileControl mc, Type containerType) { for (Control control = mc; control != null; control = control.Parent) { if (containerType.IsAssignableFrom(control.GetType())) { return control; } } return null; } protected virtual ArrayList GetControls(ITypeDescriptorContext context) { ArrayList controlList = new ArrayList(); MobileControl control = null; IContainer container = context.Container; if (context.Instance is Array) { Array list = (Array)context.Instance; Debug.Assert(list.Length > 0); foreach(Object obj in list) { Debug.Assert(obj is MobileControl); Form form = GetContainingForm((MobileControl)obj); // If the control is not within a Form control or a StyleSheet control, // simply return the empty combobox. // If the control is placed at UserControl top level, the ID of the // containing Form is null. if ((form == null || form.ID == null) && GetContainingStyleSheet((MobileControl)obj) == null) { return null; } } control = list.GetValue(0) as MobileControl; } else { if (context.Instance is MobileControl) { control = (MobileControl) context.Instance; } else if (context.Instance is ChoicePropertyFilter) { ChoicePropertyFilter filter = (ChoicePropertyFilter)context.Instance; IDeviceSpecificDesigner designer = filter.Designer; control = designer.UnderlyingObject as MobileControl; Debug.Assert(control != null, "Not a control"); } else { Debug.Fail("Unrecognized object passed in"); return null; } Form form = GetContainingForm(control); // All controls must be contained within Forms or StyleSheets // Show empty combobox for the invalid control. if (form == null) { if (GetContainingStyleSheet(control) == null) { return null; } } // MobileUserControl has a default Form with null ID else if (form.ID == null && (GetContainingStyleSheet(control) == null)) { Debug.Assert(container is IDesignerHost && ((IDesignerHost)container).RootComponent is MobileUserControl); // Just return an empty array list, so that url picker still works. return controlList; } } // If container is null, try to get one from control's IContainer if (container == null) { ISite site = control.Site; Debug.Assert(site != null); container = site.Container; } // Is this possible? if (container == null) { Debug.Fail("container is null"); return null; } foreach(IComponent component in container.Components) { Form candidate = component as Form; if (candidate != null && candidate.ID != null && candidate.ID.Length != 0) { controlList.Add(ProcessControlId(candidate.ID)); } } controlList.Sort(); return controlList; } public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { if (context == null) { return null; } ArrayList objValues = GetControls(context); return (objValues != null? new StandardValuesCollection(objValues) : null); } ////// Can filter and retrieve several types of values from Style controls. /// ////// /// /// A type descriptor that indicates the context to convert from. /// ////// Gets whether /// or not the context specified contains exclusive standard values. /// ////// public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return false; } ////// ///if the specified context contains exclusive standard /// values, otherwise . /// /// /// /// A type descriptor that indicates the context to convert from. /// ////// Gets whether or not the specified context contains supported standard /// values. /// ////// public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return true; } ////// ///if the specified context conatins supported standard /// values, otherwise . /// /// Override to manipulate the control id as it is added to the list. /// Do not return the original string, make sure a copy is made. /// See NavigateUrlConverter.cs for an example. /// protected virtual String ProcessControlId(String id) { return id; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.Design.MobileControls.Converters { using System.Diagnostics; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Web.UI; using System.Web.UI.MobileControls; using System.Web.UI.Design.MobileControls.Adapters; ////// [ 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 FormConverter : StringConverter { private Form GetContainingForm(MobileControl mc) { return FindContainer(mc, typeof(Form)) as Form; } private StyleSheet GetContainingStyleSheet(MobileControl mc) { return FindContainer(mc, typeof(StyleSheet)) as StyleSheet; } private Control FindContainer(MobileControl mc, Type containerType) { for (Control control = mc; control != null; control = control.Parent) { if (containerType.IsAssignableFrom(control.GetType())) { return control; } } return null; } protected virtual ArrayList GetControls(ITypeDescriptorContext context) { ArrayList controlList = new ArrayList(); MobileControl control = null; IContainer container = context.Container; if (context.Instance is Array) { Array list = (Array)context.Instance; Debug.Assert(list.Length > 0); foreach(Object obj in list) { Debug.Assert(obj is MobileControl); Form form = GetContainingForm((MobileControl)obj); // If the control is not within a Form control or a StyleSheet control, // simply return the empty combobox. // If the control is placed at UserControl top level, the ID of the // containing Form is null. if ((form == null || form.ID == null) && GetContainingStyleSheet((MobileControl)obj) == null) { return null; } } control = list.GetValue(0) as MobileControl; } else { if (context.Instance is MobileControl) { control = (MobileControl) context.Instance; } else if (context.Instance is ChoicePropertyFilter) { ChoicePropertyFilter filter = (ChoicePropertyFilter)context.Instance; IDeviceSpecificDesigner designer = filter.Designer; control = designer.UnderlyingObject as MobileControl; Debug.Assert(control != null, "Not a control"); } else { Debug.Fail("Unrecognized object passed in"); return null; } Form form = GetContainingForm(control); // All controls must be contained within Forms or StyleSheets // Show empty combobox for the invalid control. if (form == null) { if (GetContainingStyleSheet(control) == null) { return null; } } // MobileUserControl has a default Form with null ID else if (form.ID == null && (GetContainingStyleSheet(control) == null)) { Debug.Assert(container is IDesignerHost && ((IDesignerHost)container).RootComponent is MobileUserControl); // Just return an empty array list, so that url picker still works. return controlList; } } // If container is null, try to get one from control's IContainer if (container == null) { ISite site = control.Site; Debug.Assert(site != null); container = site.Container; } // Is this possible? if (container == null) { Debug.Fail("container is null"); return null; } foreach(IComponent component in container.Components) { Form candidate = component as Form; if (candidate != null && candidate.ID != null && candidate.ID.Length != 0) { controlList.Add(ProcessControlId(candidate.ID)); } } controlList.Sort(); return controlList; } public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) { if (context == null) { return null; } ArrayList objValues = GetControls(context); return (objValues != null? new StandardValuesCollection(objValues) : null); } ////// Can filter and retrieve several types of values from Style controls. /// ////// /// /// A type descriptor that indicates the context to convert from. /// ////// Gets whether /// or not the context specified contains exclusive standard values. /// ////// public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) { return false; } ////// ///if the specified context contains exclusive standard /// values, otherwise . /// /// /// /// A type descriptor that indicates the context to convert from. /// ////// Gets whether or not the specified context contains supported standard /// values. /// ////// public override bool GetStandardValuesSupported(ITypeDescriptorContext context) { return true; } ////// ///if the specified context conatins supported standard /// values, otherwise . /// /// Override to manipulate the control id as it is added to the list. /// Do not return the original string, make sure a copy is made. /// See NavigateUrlConverter.cs for an example. /// protected virtual String ProcessControlId(String id) { return id; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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