85 lines
3.1 KiB
C#
85 lines
3.1 KiB
C#
namespace System.Workflow.Activities
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{
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#region Imports
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using System;
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using System.Text;
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using System.Reflection;
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using System.Collections;
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using System.CodeDom;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.Drawing;
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using System.Workflow.ComponentModel;
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using System.Workflow.ComponentModel.Design;
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using System.Workflow.ComponentModel.Compiler;
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using System.Workflow.Activities.Common;
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#endregion
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[Designer(typeof(IfElseBranchDesigner), typeof(IDesigner))]
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[ToolboxItem(false)]
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[ActivityValidator(typeof(IfElseBranchValidator))]
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[ToolboxBitmap(typeof(IfElseBranchActivity), "Resources.DecisionBranch.bmp")]
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[SRCategory(SR.Standard)]
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[Obsolete("The System.Workflow.* types are deprecated. Instead, please use the new types from System.Activities.*")]
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public sealed class IfElseBranchActivity : SequenceActivity
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{
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public IfElseBranchActivity()
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{
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}
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public IfElseBranchActivity(string name)
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: base(name)
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{
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}
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//metadata properties go here
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public static readonly DependencyProperty ConditionProperty = DependencyProperty.Register("Condition", typeof(ActivityCondition), typeof(IfElseBranchActivity), new PropertyMetadata(DependencyPropertyOptions.Metadata));
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[SRCategory(SR.Conditions)]
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[SRDescription(SR.ConditionDescr)]
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[RefreshProperties(RefreshProperties.Repaint)]
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[DefaultValue(null)]
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public ActivityCondition Condition
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{
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get
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{
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return base.GetValue(ConditionProperty) as ActivityCondition;
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}
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set
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{
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base.SetValue(ConditionProperty, value);
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}
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}
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}
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internal sealed class IfElseBranchValidator : CompositeActivityValidator
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{
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public override ValidationErrorCollection Validate(ValidationManager manager, object obj)
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{
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ValidationErrorCollection validationErrors = base.Validate(manager, obj);
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IfElseBranchActivity ifElseBranch = obj as IfElseBranchActivity;
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if (ifElseBranch == null)
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throw new ArgumentException(SR.GetString(SR.Error_UnexpectedArgumentType, typeof(IfElseBranchActivity).FullName), "obj");
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// parent must be conditional
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IfElseActivity ifElse = ifElseBranch.Parent as IfElseActivity;
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if (ifElse == null)
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validationErrors.Add(new ValidationError(SR.GetString(SR.Error_ConditionalBranchParentNotConditional), ErrorNumbers.Error_ConditionalBranchParentNotConditional));
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bool isLastBranch = (ifElse != null && ifElse.EnabledActivities.Count > 1 && (ifElse.EnabledActivities[ifElse.EnabledActivities.Count - 1] == ifElseBranch));
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if (!isLastBranch || ifElseBranch.Condition != null)
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{
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if (ifElseBranch.Condition == null)
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validationErrors.Add(ValidationError.GetNotSetValidationError("Condition"));
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}
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return validationErrors;
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}
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}
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}
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