252 lines
11 KiB
C#
252 lines
11 KiB
C#
#pragma warning disable 1634, 1691
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namespace System.Workflow.ComponentModel.Design
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{
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using System;
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using System.IO;
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using System.Drawing;
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using System.CodeDom;
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using System.Diagnostics;
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using System.Collections;
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using System.Collections.Generic;
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using System.Windows.Forms;
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using System.ComponentModel;
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using System.Globalization;
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using System.Drawing.Design;
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using System.Drawing.Imaging;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms.Design;
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using System.ComponentModel.Design;
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using System.Collections.Specialized;
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using System.ComponentModel.Design.Serialization;
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using System.Workflow.ComponentModel.Compiler;
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using System.Workflow.ComponentModel.Serialization;
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using System.Collections.ObjectModel;
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using System.Reflection;
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using System.Workflow.ComponentModel.Design;
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using System.Runtime.Serialization.Formatters.Binary;
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//
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#region Class SequenceDesignerAccessibleObject
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/// <summary>
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/// Accessibility object class associated with SequentialActivityDesigner
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/// </summary>
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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 class SequenceDesignerAccessibleObject : CompositeDesignerAccessibleObject
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{
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public SequenceDesignerAccessibleObject(SequentialActivityDesigner activityDesigner)
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: base(activityDesigner)
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{
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}
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public override AccessibleObject GetChild(int index)
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{
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SequentialActivityDesigner sequentialActivityDesigner = base.ActivityDesigner as SequentialActivityDesigner;
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if (sequentialActivityDesigner.ActiveDesigner != sequentialActivityDesigner)
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return base.GetChild(index);
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if (index >= 0 && index < GetChildCount() && ((index % 2) == 0))
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return new SequentialConnectorAccessibleObject(base.ActivityDesigner as SequentialActivityDesigner, index / 2);
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else
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return base.GetChild(index / 2);
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}
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public override int GetChildCount()
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{
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SequentialActivityDesigner sequentialActivityDesigner = base.ActivityDesigner as SequentialActivityDesigner;
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if (sequentialActivityDesigner.ActiveDesigner != sequentialActivityDesigner)
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return base.GetChildCount();
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//We also create create a accessible object for each connector
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if (sequentialActivityDesigner != null)
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return sequentialActivityDesigner.ContainedDesigners.Count + sequentialActivityDesigner.ContainedDesigners.Count + 1;
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else
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return -1;
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}
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public override AccessibleObject Navigate(AccessibleNavigation navdir)
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{
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if (navdir == AccessibleNavigation.Up || navdir == AccessibleNavigation.Previous ||
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navdir == AccessibleNavigation.Down || navdir == AccessibleNavigation.Next)
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{
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DesignerNavigationDirection navigate = default(DesignerNavigationDirection);
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if (navdir == AccessibleNavigation.Up || navdir == AccessibleNavigation.Previous)
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navigate = DesignerNavigationDirection.Up;
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else
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navigate = DesignerNavigationDirection.Down;
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CompositeActivityDesigner compositeDesigner = this.ActivityDesigner.ParentDesigner;
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if (compositeDesigner != null)
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{
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object nextSelectableObj = compositeDesigner.GetNextSelectableObject(this.ActivityDesigner.Activity, navigate);
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if (nextSelectableObj is ConnectorHitTestInfo)
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return GetChild(((ConnectorHitTestInfo)nextSelectableObj).MapToIndex());
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}
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}
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return base.Navigate(navdir);
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}
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#region Class SequentialConnectorAccessibleObject
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private sealed class SequentialConnectorAccessibleObject : AccessibleObject
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{
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private ConnectorHitTestInfo connectorHitInfo;
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internal SequentialConnectorAccessibleObject(SequentialActivityDesigner activityDesigner, int connectorIndex)
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{
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if (activityDesigner == null)
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throw new ArgumentNullException("activityDesigner");
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this.connectorHitInfo = new ConnectorHitTestInfo(activityDesigner, HitTestLocations.Designer, connectorIndex);
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}
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public override Rectangle Bounds
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{
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get
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{
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return ((SequentialActivityDesigner)this.connectorHitInfo.AssociatedDesigner).InternalRectangleToScreen(this.connectorHitInfo.Bounds);
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}
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}
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public override string DefaultAction
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{
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get
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{
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return DR.GetString(DR.AccessibleAction);
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}
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}
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public override string Description
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{
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get
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{
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return DR.GetString(DR.ConnectorAccessibleDescription, this.connectorHitInfo.GetType().Name);
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}
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}
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public override string Help
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{
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get
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{
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return DR.GetString(DR.ConnectorAccessibleHelp, this.connectorHitInfo.GetType().Name);
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}
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}
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public override string Name
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{
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get
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{
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return DR.GetString(DR.ConnectorDesc, this.connectorHitInfo.MapToIndex().ToString(CultureInfo.InvariantCulture), Parent.Name);
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}
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set
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{
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}
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}
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public override AccessibleObject Parent
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{
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get
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{
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return this.connectorHitInfo.AssociatedDesigner.AccessibilityObject;
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}
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}
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public override AccessibleRole Role
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{
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get
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{
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return AccessibleRole.Diagram;
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}
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}
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public override AccessibleStates State
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{
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get
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{
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AccessibleStates state = AccessibleStates.MultiSelectable;
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if (this.connectorHitInfo.AssociatedDesigner.IsLocked)
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state |= AccessibleStates.ReadOnly;
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if (!this.connectorHitInfo.AssociatedDesigner.IsVisible)
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state |= AccessibleStates.Invisible;
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ISelectionService selectionService = GetService(typeof(ISelectionService)) as ISelectionService;
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if (selectionService != null)
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{
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state |= (selectionService.GetComponentSelected(this.connectorHitInfo.SelectableObject)) ? AccessibleStates.Selected : AccessibleStates.Selectable;
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state |= (selectionService.PrimarySelection == this.connectorHitInfo.SelectableObject) ? AccessibleStates.Focused : AccessibleStates.Focusable;
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}
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return state;
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}
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}
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public override void DoDefaultAction()
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{
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ISelectionService selectionService = GetService(typeof(ISelectionService)) as ISelectionService;
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if (selectionService != null)
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selectionService.SetSelectedComponents(new object[] { this.connectorHitInfo.SelectableObject }, SelectionTypes.Replace);
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else
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base.DoDefaultAction();
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}
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public override AccessibleObject Navigate(AccessibleNavigation navdir)
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{
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if (navdir == AccessibleNavigation.FirstChild || navdir == AccessibleNavigation.LastChild)
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return base.Navigate(navdir);
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DesignerNavigationDirection navigate = default(DesignerNavigationDirection);
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if (navdir == AccessibleNavigation.Left)
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navigate = DesignerNavigationDirection.Left;
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else if (navdir == AccessibleNavigation.Right)
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navigate = DesignerNavigationDirection.Right;
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else if (navdir == AccessibleNavigation.Up || navdir == AccessibleNavigation.Previous)
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navigate = DesignerNavigationDirection.Up;
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else if (navdir == AccessibleNavigation.Down || navdir == AccessibleNavigation.Next)
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navigate = DesignerNavigationDirection.Down;
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object nextSelectableObj = ((CompositeActivityDesigner)this.connectorHitInfo.AssociatedDesigner).GetNextSelectableObject(this.connectorHitInfo, navigate);
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if (nextSelectableObj is ConnectorHitTestInfo)
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{
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ConnectorHitTestInfo nextConnector = nextSelectableObj as ConnectorHitTestInfo;
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return new SequentialConnectorAccessibleObject(nextConnector.AssociatedDesigner as SequentialActivityDesigner, nextConnector.MapToIndex());
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}
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else if (nextSelectableObj is Activity)
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{
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ActivityDesigner activityDesigner = ActivityDesigner.GetDesigner(nextSelectableObj as Activity);
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if (activityDesigner != null)
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return activityDesigner.AccessibilityObject;
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}
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return base.Navigate(navdir);
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}
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public override void Select(AccessibleSelection flags)
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{
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ISelectionService selectionService = GetService(typeof(ISelectionService)) as ISelectionService;
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if (selectionService != null)
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{
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if (((flags & AccessibleSelection.TakeFocus) > 0) || ((flags & AccessibleSelection.TakeSelection) > 0))
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selectionService.SetSelectedComponents(new object[] { this.connectorHitInfo.SelectableObject }, SelectionTypes.Replace);
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else if ((flags & AccessibleSelection.AddSelection) > 0)
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selectionService.SetSelectedComponents(new object[] { this.connectorHitInfo.SelectableObject }, SelectionTypes.Add);
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else if ((flags & AccessibleSelection.RemoveSelection) > 0)
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selectionService.SetSelectedComponents(new object[] { this.connectorHitInfo.SelectableObject }, SelectionTypes.Remove);
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}
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}
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private object GetService(Type serviceType)
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{
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if (this.connectorHitInfo.AssociatedDesigner != null && this.connectorHitInfo.AssociatedDesigner.Activity.Site != null)
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return this.connectorHitInfo.AssociatedDesigner.Activity.Site.GetService(serviceType);
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else
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return null;
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}
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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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