Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / CompositionCommandSet.cs / 1 / CompositionCommandSet.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.Windows.Forms.Design { using System.ComponentModel; using System.Diagnostics; using System; using System.ComponentModel.Design; using System.Windows.Forms; using System.Drawing; using System.Collections; using Microsoft.Win32; ////// /// This class implements commands that are specific to the /// composition designer. /// internal class CompositionCommandSet : CommandSet { private Control compositionUI; private CommandSetItem[] commandSet; ////// /// Constructs a new composition command set object. /// // Since we don't override GetService it is okay to suppress this. [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")] public CompositionCommandSet(Control compositionUI, ISite site) : base(site) { Debug.Assert(compositionUI != null, "Null compositionUI passed into CompositionCommandSet"); this.compositionUI = compositionUI; // Establish our set of commands // commandSet = new CommandSetItem[] { // Keyboard commands new CommandSetItem( this, new EventHandler(OnStatusAlways), new EventHandler(OnKeySelect), MenuCommands.KeySelectNext), new CommandSetItem( this, new EventHandler(OnStatusAlways), new EventHandler(OnKeySelect), MenuCommands.KeySelectPrevious), }; if (MenuService != null) { for (int i = 0; i < commandSet.Length; i++) { MenuService.AddCommand(commandSet[i]); } } } ////// /// Disposes of this object, removing all commands from the menu service. /// public override void Dispose() { if (MenuService != null) { for (int i = 0; i < commandSet.Length; i++) { MenuService.RemoveCommand(commandSet[i]); } } base.Dispose(); } ////// /// Called for the two cancel commands we support. /// protected override bool OnKeyCancel(object sender) { // The base implementation here just checks to see if we are dragging. // If we are, then we abort the drag. // if (!base.OnKeyCancel(sender)) { ISelectionService selSvc = SelectionService; IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost)); if (selSvc == null || host == null) { return true; } IComponent comp = host.RootComponent; selSvc.SetSelectedComponents(new object[] {comp}, SelectionTypes.Replace); return true; } return false; } ////// /// Called for selection via the tab key. /// protected void OnKeySelect(object sender, EventArgs e) { MenuCommand cmd = (MenuCommand)sender; bool reverse = (cmd.CommandID.Equals(MenuCommands.KeySelectPrevious)); RotateTabSelection(reverse); } ////// /// This is called when the selection has changed. Anyone using CommandSetItems /// that need to update their status based on selection changes should override /// this and update their own commands at this time. The base implementaion /// runs through all base commands and calls UpdateStatus on them. /// protected override void OnUpdateCommandStatus() { // Now whip through all of the commands and ask them to update. // for (int i = 0; i < commandSet.Length; i++) { commandSet[i].UpdateStatus(); } base.OnUpdateCommandStatus(); } ////// /// Rotates the selection to the element next in the tab index. If backwards /// is set, this will rotate to the previous tab index. /// private void RotateTabSelection(bool backwards) { ISelectionService selSvc; IComponent currentComponent; Control currentControl; ComponentTray.TrayControl nextControl = null; // First, get the currently selected component // selSvc = SelectionService; if (selSvc == null) { return; } IComponent primarySelection = selSvc.PrimarySelection as IComponent; if (primarySelection != null) { currentComponent = primarySelection; } else { currentComponent = null; ICollection selection = selSvc.GetSelectedComponents(); foreach(object obj in selection) { IComponent comp = obj as IComponent; if (comp != null) { currentComponent = comp; break; } } } // Now, if we have a selected component, get the composition UI for it and // find the next control on the UI. Otherwise, we just select the first // control on the UI. // if (currentComponent != null) { currentControl = ComponentTray.TrayControl.FromComponent(currentComponent); } else { currentControl = null; } if (currentControl != null) { Debug.Assert(compositionUI.Controls[0] is LinkLabel, "First item in the Composition designer is not a linklabel"); for (int i = 1; i < compositionUI.Controls.Count; i++) { if (compositionUI.Controls[i] == currentControl) { int next = i + 1; if (next >= compositionUI.Controls.Count) { next = 1; } ComponentTray.TrayControl tc = compositionUI.Controls[next] as ComponentTray.TrayControl; if (tc != null) { nextControl = tc; } else { continue; } break; } } } else { if (compositionUI.Controls.Count > 1) { Debug.Assert(compositionUI.Controls[0] is LinkLabel, "First item in the Composition designer is not a linklabel"); ComponentTray.TrayControl tc = compositionUI.Controls[1] as ComponentTray.TrayControl; if (tc != null) { nextControl = tc; } } } // If we got a "nextControl", then select the component inside of it. // if (nextControl != null) { selSvc.SetSelectedComponents(new object[] {nextControl.Component}, SelectionTypes.Replace); } } } } // 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
- HttpWebResponse.cs
- TimeZone.cs
- Models.cs
- ContentElement.cs
- SqlDataSourceFilteringEventArgs.cs
- RootBrowserWindow.cs
- DbgUtil.cs
- PageContent.cs
- StatusBar.cs
- TextEmbeddedObject.cs
- DataGridViewColumnDesigner.cs
- SourceFileBuildProvider.cs
- ScaleTransform.cs
- DesignerForm.cs
- CompressStream.cs
- ToolbarAUtomationPeer.cs
- TextChange.cs
- SqlHelper.cs
- ColorTypeConverter.cs
- SymmetricKeyWrap.cs
- IncrementalHitTester.cs
- InstanceDataCollection.cs
- WebReferencesBuildProvider.cs
- Vector3DCollection.cs
- DodSequenceMerge.cs
- DesignTimeParseData.cs
- TableLayoutPanelBehavior.cs
- RepeaterItemEventArgs.cs
- MarshalByRefObject.cs
- WmlCommandAdapter.cs
- RTLAwareMessageBox.cs
- ProfileSettings.cs
- itemelement.cs
- LinearGradientBrush.cs
- Light.cs
- MappingSource.cs
- RemotingAttributes.cs
- RepeatButtonAutomationPeer.cs
- PassportAuthentication.cs
- mediaeventargs.cs
- DataGridViewCellConverter.cs
- DeflateStream.cs
- IRCollection.cs
- Parallel.cs
- FillErrorEventArgs.cs
- XmlNodeChangedEventArgs.cs
- UnSafeCharBuffer.cs
- ComEventsHelper.cs
- HtmlControlDesigner.cs
- EnumValidator.cs
- SigningCredentials.cs
- BufferedGraphicsManager.cs
- Style.cs
- SlipBehavior.cs
- DetailsViewUpdatedEventArgs.cs
- Parameter.cs
- AggregationMinMaxHelpers.cs
- ResourceKey.cs
- GridViewCellAutomationPeer.cs
- OleDbInfoMessageEvent.cs
- GenericIdentity.cs
- DBParameter.cs
- Operand.cs
- Condition.cs
- TypeElement.cs
- TableLayoutColumnStyleCollection.cs
- XsltArgumentList.cs
- CaseExpr.cs
- ScopelessEnumAttribute.cs
- XmlHierarchicalDataSourceView.cs
- X509Extension.cs
- ImmutableCollection.cs
- UnhandledExceptionEventArgs.cs
- Stylesheet.cs
- JavaScriptString.cs
- ExceptionHandler.cs
- MessageQueue.cs
- TCEAdapterGenerator.cs
- MetadataItem_Static.cs
- CreateCardRequest.cs
- ColumnResizeUndoUnit.cs
- TreeNodeMouseHoverEvent.cs
- Highlights.cs
- DropTarget.cs
- UInt64.cs
- SynchronousReceiveBehavior.cs
- PathStreamGeometryContext.cs
- ExceptionUtil.cs
- ProviderUtil.cs
- printdlgexmarshaler.cs
- SpeechAudioFormatInfo.cs
- RuntimeEnvironment.cs
- MainMenu.cs
- XmlSchemaType.cs
- DocumentApplicationJournalEntry.cs
- BufferCache.cs
- SymmetricAlgorithm.cs
- OutputChannel.cs
- TextPattern.cs
- HttpWebResponse.cs