WorkflowElementDialog.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / Tools / System.Activities.Presentation / System / Activities / Presentation / WorkflowElementDialog.cs / 1407647 / WorkflowElementDialog.cs
                        

                        
                            //---------------------------------------------------------------- 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//---------------------------------------------------------------
namespace System.Activities.Presentation
{ 
    using System.Windows;
    using System.Windows.Controls; 
    using System.Activities.Presentation.Model; 
    using System.Activities.Presentation.Hosting;
    using System.Runtime; 

    [Fx.Tag.XamlVisible(false)]
    public class WorkflowElementDialog : ContentControl
    { 
        public static readonly DependencyProperty ModelItemProperty =
            DependencyProperty.Register("ModelItem", 
            typeof(ModelItem), 
            typeof(WorkflowElementDialog),
            new PropertyMetadata(OnModelItemChanged)); 

        public static readonly DependencyProperty TitleProperty =
            DependencyProperty.Register("Title",
            typeof(string), 
            typeof(WorkflowElementDialog));
 
        public static readonly DependencyProperty ContextProperty = 
            DependencyProperty.Register("Context",
            typeof(EditingContext), 
            typeof(WorkflowElementDialog));

        public static readonly DependencyProperty WindowResizeModeProperty =
            DependencyProperty.Register("WindowResizeMode", 
            typeof(ResizeMode),
            typeof(WorkflowElementDialog), 
            new UIPropertyMetadata(ResizeMode.CanResize)); 

        public static readonly DependencyProperty WindowSizeToContentProperty = 
            DependencyProperty.Register("WindowSizeToContent",
            typeof(SizeToContent),
            typeof(WorkflowElementDialog),
            new UIPropertyMetadata(SizeToContent.WidthAndHeight)); 

        protected WorkflowElementDialog() 
        { 
        }
 
        public ModelItem ModelItem
        {
            get { return (ModelItem)GetValue(ModelItemProperty); }
            set { SetValue(ModelItemProperty, value); } 
        }
 
        public string Title 
        {
            get { return (string)GetValue(TitleProperty); } 
            set { SetValue(TitleProperty, value); }
        }

        public EditingContext Context 
        {
            get { return (EditingContext)GetValue(ContextProperty); } 
            set { SetValue(ContextProperty, value); } 
        }
 
        public DependencyObject Owner
        {
            get;
            set; 
        }
 
        public ResizeMode WindowResizeMode 
        {
            get { return (ResizeMode)GetValue(WindowResizeModeProperty); } 
            set { SetValue(WindowResizeModeProperty, value); }
        }

        public SizeToContent WindowSizeToContent 
        {
            get { return (SizeToContent)GetValue(WindowSizeToContentProperty); } 
            set { SetValue(WindowSizeToContentProperty, value); } 
        }
 
        public bool EnableMinimizeButton
        {
            get;
            set; 
        }
 
        public bool EnableMaximizeButton 
        {
            get; 
            set;
        }

        public string HelpKeyword 
        {
            get; 
            set; 
        }
 
        internal Func OnOk
        {
            get;
            set; 
        }
 
        public void Show() 
        {
            Show(false); 
        }

        public bool ShowOkCancel()
        { 
            bool? result = Show(true);
            return result.HasValue && result.Value; 
        } 

        internal void CloseDialog(bool commitChanges) 
        {
            this.Window.DialogResult = commitChanges;
        }
 
        internal WorkflowElementDialogWindow Window
        { 
            get; 
            set;
        } 

        bool? Show(bool okCancel)
        {
            WorkflowElementDialogWindow wnd = new WorkflowElementDialogWindow(this, okCancel, this.EnableMinimizeButton, this.EnableMaximizeButton, this.OnOk) 
            {
                Title = this.Title 
            }; 
            if (null != this.Context)
            { 
                WindowHelperService srv = this.Context.Services.GetService();
                if (null != srv)
                {
                    srv.TrySetWindowOwner(this.Owner, wnd); 
                }
            } 
            wnd.Closed += (s, e) => { this.OnWorkflowElementDialogClosed(((Window)s).DialogResult); }; 
            return wnd.ShowDialog();
        } 

        protected override void OnInitialized(EventArgs e)
        {
            base.OnInitialized(e); 
            // This is necessary for WPF data bindings to work.
            // It needs to be done explicitly, probably because 
            // this ContentControl doesn't define its own 
            // Template.VisualTree (maybe it should).
            this.DataContext = this; 
        }

        protected void EnableOk(bool enabled)
        { 
            if (this.Window != null)
            { 
                this.Window.okButton.IsEnabled = enabled; 
            }
        } 

        protected virtual void OnModelItemChanged(object newItem)
        {
        } 

        protected virtual void OnWorkflowElementDialogClosed(bool? dialogResult) 
        { 
        }
 
        static void OnModelItemChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
        {
            WorkflowElementDialog dialog = (WorkflowElementDialog)dependencyObject;
            dialog.OnModelItemChanged(e.NewValue); 
        }
    } 
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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