113 lines
4.3 KiB
C#
113 lines
4.3 KiB
C#
namespace System.Workflow.Activities
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{
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using System;
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using System.Drawing;
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using System.Diagnostics;
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using System.Collections;
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using System.Windows.Forms;
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using System.Windows.Forms.Design;
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using System.ComponentModel;
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using System.Drawing.Drawing2D;
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using System.Xml;
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using System.Collections.Generic;
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using System.ComponentModel.Design;
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using System.Workflow.ComponentModel;
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using System.Workflow.ComponentModel.Design;
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using System.ComponentModel.Design.Serialization;
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[ActivityDesignerTheme(typeof(ConditionedActivityGroupDesignerTheme))]
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internal sealed class ConditionedActivityGroupDesigner : ActivityPreviewDesigner
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{
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#region Members, Constructor and Destructor
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protected override void Initialize(Activity activity)
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{
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base.Initialize(activity);
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IExtenderListService extenderListService = (IExtenderListService)GetService(typeof(IExtenderListService));
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if (extenderListService != null)
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{
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bool foundCAGExtender = false;
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foreach (IExtenderProvider extenderProvider in extenderListService.GetExtenderProviders())
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{
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if (extenderProvider.GetType() == typeof(ConditionPropertyProviderExtender))
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foundCAGExtender = true;
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}
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if (!foundCAGExtender)
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{
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IExtenderProviderService extenderProviderService = (IExtenderProviderService)GetService(typeof(IExtenderProviderService));
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if (extenderProviderService != null)
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{
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extenderProviderService.AddExtenderProvider(new ConditionPropertyProviderExtender());
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}
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}
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}
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}
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protected override void Dispose(bool disposing)
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{
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base.Dispose(disposing);
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}
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#endregion
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}
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#region ConditionedActivityGroupDesignerTheme
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internal sealed class ConditionedActivityGroupDesignerTheme : ActivityPreviewDesignerTheme
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{
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public ConditionedActivityGroupDesignerTheme(WorkflowTheme theme)
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: base(theme)
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{
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this.ShowDropShadow = false;
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this.ConnectorStartCap = LineAnchor.None;
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this.ConnectorEndCap = LineAnchor.None;
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this.ForeColor = Color.FromArgb(0xFF, 0x00, 0x00, 0x00);
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this.BorderColor = Color.FromArgb(0xFF, 0x6B, 0x6D, 0x6B);
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this.BorderStyle = DashStyle.Solid;
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this.BackColorStart = Color.FromArgb(0xFF, 0xEF, 0xEF, 0xEF);
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this.BackColorEnd = Color.FromArgb(0xFF, 0xEF, 0xEF, 0xEF);
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this.PreviewForeColor = Color.FromArgb(0xFF, 0xF0, 0xF0, 0xF0);
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this.PreviewBorderColor = Color.FromArgb(0xFF, 0x6B, 0x6D, 0x6B);
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this.PreviewBackColor = Color.FromArgb(0xFF, 0xFF, 0xFF, 0xFF);
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}
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}
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#endregion
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#region Class ConditionPropertyProviderExtender
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[ProvideProperty("WhenCondition", typeof(Activity))]
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[ProvideProperty("UnlessCondition", typeof(Activity))]
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internal sealed class ConditionPropertyProviderExtender : IExtenderProvider
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{
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internal ConditionPropertyProviderExtender()
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{
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}
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[SRCategory(SR.ConditionedActivityConditions)]
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[SRDescription(SR.WhenConditionDescr)]
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[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public ActivityCondition GetWhenCondition(Activity activity)
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{
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if (activity.Parent is ConditionedActivityGroup)
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return activity.GetValue(ConditionedActivityGroup.WhenConditionProperty) as ActivityCondition;
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else
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return null;
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}
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[SRCategory(SR.ConditionedActivityConditions)]
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[SRDescription(SR.WhenConditionDescr)]
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public void SetWhenCondition(Activity activity, ActivityCondition handler)
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{
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if (activity.Parent is ConditionedActivityGroup)
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activity.SetValue(ConditionedActivityGroup.WhenConditionProperty, handler);
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}
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#region IExtenderProvider Members
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public bool CanExtend(object extendee)
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{
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return ((extendee != this) && (extendee is Activity) && (((Activity)extendee).Parent is ConditionedActivityGroup));
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}
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#endregion
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}
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#endregion
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}
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