Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / MS / Internal / Annotations / Anchoring / TreeNodeSelectionProcessor.cs / 1 / TreeNodeSelectionProcessor.cs
//------------------------------------------------------------------------------ // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: // TreeNodeSelectionProcessor is a selection processor // that can handle Logical Tree Nodes as selections. // Spec: [....]/sites/ag/Specifications/Anchoring%20Namespace%20Spec.doc // // History: // 8/8/2003: [....]: Created // 08/18/2003: [....]: Updated to Anchoring Namespace Spec. // //----------------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Globalization; using System.Windows; using System.Windows.Annotations; using System.Windows.Annotations.Storage; using System.Windows.Documents; using System.Windows.Media; using System.Xml; using MS.Utility; namespace MS.Internal.Annotations.Anchoring { ////// TreeNodeSelectionProcessor is a selection processor /// that can handle Logical Tree Nodes as selections. /// internal sealed class TreeNodeSelectionProcessor : SelectionProcessor { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Creates an instance of TreeNodeSelectionProcessor. /// public TreeNodeSelectionProcessor() { } #endregion Constructors //------------------------------------------------------ // // Public Methods // //----------------------------------------------------- #region Public Methods ////// Merges the two selections into one, if possible. /// /// selection to merge /// other selection to merge /// new selection that contains the data from both /// selection1 and selection2 ///always returns false, Logical Tree Nodes cannot be merged /// ///selection1 or selection2 are /// null public override bool MergeSelections(Object selection1, Object selection2, out Object newSelection) { if (selection1 == null) throw new ArgumentNullException("selection1"); if (selection2 == null) throw new ArgumentNullException("selection2"); newSelection = null; return false; } ////// Gets the tree elements spanned by the selection. /// /// the selection to examine ///a list of elements spanned by the selection; never returns /// null ///selection is null ///selection is of wrong type public override IListGetSelectedNodes(Object selection) { return new DependencyObject[] { GetParent(selection) }; } /// /// Gets the parent element of this selection. /// /// the selection to examine ///the parent element of the selection; can be null ///selection is null ///selection is of wrong type public override UIElement GetParent(Object selection) { if (selection == null) throw new ArgumentNullException("selection"); UIElement element = selection as UIElement; if (element == null) { throw new ArgumentException(SR.Get(SRID.WrongSelectionType), "selection"); } return element; } ////// Gets the anchor point for the selection /// /// the selection to examine ///the anchor point of the selection; can be null ///selection is null ///selection is of wrong type public override Point GetAnchorPoint(Object selection) { if (selection == null) throw new ArgumentNullException("selection"); Visual element = selection as Visual; if (element == null) throw new ArgumentException(SR.Get(SRID.WrongSelectionType), "selection"); // get the Visual's bounding rectangle's let, top and store them in a point Rect rect = element.VisualContentBounds; return new Point(rect.Left, rect.Top); } ////// Creates one or more locator parts representing the portion /// of 'startNode' spanned by 'selection'. /// /// the selection that is being processed /// the node the locator parts should be in the /// context of ///one or more locator parts representing the portion of 'startNode' spanned /// by 'selection' ///startNode or selection is null ///startNode is not a DependencyObject or /// selection is of the wrong type public override IListGenerateLocatorParts(Object selection, DependencyObject startNode) { if (startNode == null) throw new ArgumentNullException("startNode"); if (selection == null) throw new ArgumentNullException("selection"); return new List (0); } /// /// Creates a selection object spanning the portion of 'startNode' /// specified by 'locatorPart'. /// /// locator part specifying data to be spanned /// the node to be spanned by the created /// selection /// always set to AttachmentLevel.Full ///a selection spanning the portion of 'startNode' specified by /// 'locatorPart' ///locatorPart or startNode are /// null ///locatorPart is of the incorrect type public override Object ResolveLocatorPart(ContentLocatorPart locatorPart, DependencyObject startNode, out AttachmentLevel attachmentLevel) { if (startNode == null) throw new ArgumentNullException("startNode"); if (locatorPart == null) throw new ArgumentNullException("locatorPart"); attachmentLevel = AttachmentLevel.Full; return startNode; } ////// Returns a list of XmlQualifiedNames representing the /// the locator parts this processor can resolve/generate. /// public override XmlQualifiedName[] GetLocatorPartTypes() { return (XmlQualifiedName[])LocatorPartTypeNames.Clone(); } #endregion Public Methods //------------------------------------------------------ // // Public Operators // //------------------------------------------------------ //----------------------------------------------------- // // Public Properties // //------------------------------------------------------ //----------------------------------------------------- // // Public Events // //----------------------------------------------------- //----------------------------------------------------- // // Private Fields // //------------------------------------------------------ #region Private Fields // ContentLocatorPart types understood by this processor private static readonly XmlQualifiedName[] LocatorPartTypeNames = new XmlQualifiedName[0]; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TargetFrameworkUtil.cs
- ScriptReferenceBase.cs
- DataRelation.cs
- AsmxEndpointPickerExtension.cs
- StringResourceManager.cs
- EncryptedPackageFilter.cs
- ErrorWebPart.cs
- FactoryId.cs
- IndicShape.cs
- DataGrid.cs
- DragStartedEventArgs.cs
- DocumentCollection.cs
- Span.cs
- ParentUndoUnit.cs
- hresults.cs
- WorkflowApplicationException.cs
- RangeValuePattern.cs
- StylusPlugin.cs
- MembershipValidatePasswordEventArgs.cs
- File.cs
- SvcMapFileSerializer.cs
- SectionXmlInfo.cs
- DataGridViewSelectedColumnCollection.cs
- DeflateEmulationStream.cs
- ProxyWebPartManagerDesigner.cs
- DataGridViewHeaderCell.cs
- PolicyManager.cs
- EncryptedData.cs
- DataGridViewColumnDividerDoubleClickEventArgs.cs
- DelegatedStream.cs
- FlowDocumentFormatter.cs
- SQLConvert.cs
- DataGridTextColumn.cs
- FontEmbeddingManager.cs
- WeakEventTable.cs
- LineServices.cs
- dtdvalidator.cs
- relpropertyhelper.cs
- HighContrastHelper.cs
- Button.cs
- HtmlHistory.cs
- DataServiceRequestException.cs
- WizardStepBase.cs
- WindowsPen.cs
- SectionVisual.cs
- ContextActivityUtils.cs
- Logging.cs
- GeneratedCodeAttribute.cs
- TextModifier.cs
- RepeaterDesigner.cs
- BitmapEffectGroup.cs
- ParseChildrenAsPropertiesAttribute.cs
- WriteFileContext.cs
- FontDialog.cs
- BindingCompleteEventArgs.cs
- AttachedPropertyBrowsableWhenAttributePresentAttribute.cs
- ConfigurationSettings.cs
- SqlNamer.cs
- Int32Animation.cs
- MessagePartSpecification.cs
- PageEventArgs.cs
- DataSourceHelper.cs
- InputScopeManager.cs
- ConnectionStringsExpressionBuilder.cs
- BaseComponentEditor.cs
- ServerValidateEventArgs.cs
- UnSafeCharBuffer.cs
- DataGrid.cs
- Int32RectConverter.cs
- MobileControlBuilder.cs
- DescendantQuery.cs
- EntityDataSourceWrapper.cs
- InteropExecutor.cs
- StylusEventArgs.cs
- DbSetClause.cs
- AssemblyHash.cs
- MetadataArtifactLoaderFile.cs
- RegistrySecurity.cs
- HtmlGenericControl.cs
- ListMarkerSourceInfo.cs
- SystemNetworkInterface.cs
- NTAccount.cs
- LogEntryHeaderDeserializer.cs
- TemplateXamlTreeBuilder.cs
- StickyNoteContentControl.cs
- FixedSOMPageElement.cs
- ListViewInsertedEventArgs.cs
- SiteOfOriginPart.cs
- Win32Native.cs
- CodePageUtils.cs
- BamlMapTable.cs
- PointUtil.cs
- GrammarBuilderBase.cs
- SqlGatherProducedAliases.cs
- IntSecurity.cs
- DesignerAdapterAttribute.cs
- Decorator.cs
- Context.cs
- IArgumentProvider.cs
- SourceLocation.cs