Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / WebControls / TreeNodeCollectionEditorDialog.cs / 1 / TreeNodeCollectionEditorDialog.cs
//------------------------------------------------------------------------------ ////// Copyright (c) Microsoft Corporation. All Rights Reserved. /// Information Contained Herein is Proprietary and Confidential. /// //----------------------------------------------------------------------------- namespace System.Web.UI.Design.WebControls { using System; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Design; using System.Diagnostics; using System.Drawing; using System.Drawing.Design; using System.Runtime.InteropServices; using System.Web.UI.Design.Util; using System.Web.UI.WebControls; using System.Windows.Forms; using System.Windows.Forms.Design; using WebTreeNode = System.Web.UI.WebControls.TreeNode; using WebTreeNodeCollection = System.Web.UI.WebControls.TreeNodeCollection; using WebTreeView = System.Web.UI.WebControls.TreeView; using WinTreeNode = System.Windows.Forms.TreeNode; using WinTreeNodeCollection = System.Windows.Forms.TreeNodeCollection; using WinTreeView = System.Windows.Forms.TreeView; using BorderStyle = System.Windows.Forms.BorderStyle; using Button = System.Windows.Forms.Button; using Label = System.Windows.Forms.Label; using Panel = System.Windows.Forms.Panel; ///internal sealed class TreeNodeCollectionEditorDialog : CollectionEditorDialog { private Panel _treeViewPanel; private WinTreeView _treeView; private PropertyGrid _propertyGrid; private Button _okButton; private Button _cancelButton; private Label _propertiesLabel; private Label _nodesLabel; private ToolStripButton _addRootButton; private ToolStripButton _addChildButton; private ToolStripButton _removeButton; private ToolStripButton _moveUpButton; private ToolStripButton _moveDownButton; private ToolStripButton _indentButton; private ToolStripButton _unindentButton; private ToolStripSeparator _toolBarSeparator; private ToolStrip _treeViewToolBar; private WebTreeView _webTreeView; private TreeViewDesigner _treeViewDesigner; /// public TreeNodeCollectionEditorDialog(WebTreeView treeView, TreeViewDesigner treeViewDesigner) : base(treeView.Site) { _webTreeView = treeView; _treeViewDesigner = treeViewDesigner; _treeViewPanel = new Panel(); _treeView = new WinTreeView(); _treeViewToolBar = new ToolStrip(); ToolStripRenderer toolStripRenderer = UIServiceHelper.GetToolStripRenderer(ServiceProvider); if (toolStripRenderer != null) { _treeViewToolBar.Renderer = toolStripRenderer; } _propertyGrid = new System.Windows.Forms.Design.VsPropertyGrid(ServiceProvider); _okButton = new Button(); _cancelButton = new Button(); _propertiesLabel = new Label(); _nodesLabel = new Label(); _addRootButton = CreatePushButton(SR.GetString(SR.TreeNodeCollectionEditor_AddRoot), 3); _addChildButton = CreatePushButton(SR.GetString(SR.TreeNodeCollectionEditor_AddChild), 2); _removeButton = CreatePushButton(SR.GetString(SR.TreeNodeCollectionEditor_Remove), 4); _moveUpButton = CreatePushButton(SR.GetString(SR.TreeNodeCollectionEditor_MoveUp), 5); _moveDownButton = CreatePushButton(SR.GetString(SR.TreeNodeCollectionEditor_MoveDown), 6); _indentButton = CreatePushButton(SR.GetString(SR.TreeNodeCollectionEditor_Indent), 1); _unindentButton = CreatePushButton(SR.GetString(SR.TreeNodeCollectionEditor_Unindent), 0); _toolBarSeparator = new ToolStripSeparator(); _treeViewPanel.SuspendLayout(); SuspendLayout(); // // _treeViewPanel // _treeViewPanel.Anchor = (((AnchorStyles.Top | AnchorStyles.Bottom) | AnchorStyles.Left) | AnchorStyles.Right); _treeViewPanel.BackColor = SystemColors.ControlDark; _treeViewPanel.Controls.Add(_treeView); _treeViewPanel.DockPadding.Left = 1; _treeViewPanel.DockPadding.Right = 1; _treeViewPanel.DockPadding.Bottom = 1; _treeViewPanel.DockPadding.Top = 1; _treeViewPanel.Location = new Point(12, 54); _treeViewPanel.Name = "_treeViewPanel"; _treeViewPanel.Size = new Size(227, 233); _treeViewPanel.TabIndex = 1; // // _treeView // _treeView.BorderStyle = BorderStyle.None; _treeView.Dock = DockStyle.Fill; _treeView.ImageIndex = -1; _treeView.HideSelection = false; _treeView.Location = new Point(1, 1); _treeView.Name = "_treeView"; _treeView.SelectedImageIndex = -1; _treeView.TabIndex = 0; _treeView.AfterSelect += new TreeViewEventHandler(OnTreeViewAfterSelect); // _treeView.AfterCollapse += new TreeViewEventHandler(OnTreeViewAfterCollapse); // _treeView.AfterExpand += new TreeViewEventHandler(OnTreeViewAfterExpand); _treeView.KeyDown += new KeyEventHandler(OnTreeViewKeyDown); // // _treeViewToolBar // _treeViewToolBar.Items.AddRange(new ToolStripItem[] { _addRootButton, _addChildButton, _removeButton, _toolBarSeparator, _moveUpButton, _moveDownButton, _unindentButton, _indentButton}); _treeViewToolBar.Location = new Point(12, 28); _treeViewToolBar.Anchor = (((AnchorStyles.Top | AnchorStyles.Bottom) | AnchorStyles.Left) | AnchorStyles.Right); _treeViewToolBar.AutoSize = false; _treeViewToolBar.Size = new Size(227, 26); _treeViewToolBar.CanOverflow = false; Padding toolStripPadding = _treeViewToolBar.Padding; toolStripPadding.Left = 2; _treeViewToolBar.Padding = toolStripPadding; _treeViewToolBar.Name = "_treeViewToolBar"; _treeViewToolBar.ShowItemToolTips = true; _treeViewToolBar.GripStyle = ToolStripGripStyle.Hidden; _treeViewToolBar.TabIndex = 1; _treeViewToolBar.TabStop = true; _treeViewToolBar.ItemClicked += new ToolStripItemClickedEventHandler(OnTreeViewToolBarButtonClick); // // _propertyGrid // _propertyGrid.Anchor = ((AnchorStyles.Top | AnchorStyles.Bottom) | AnchorStyles.Right); _propertyGrid.CommandsVisibleIfAvailable = true; _propertyGrid.LargeButtons = false; _propertyGrid.LineColor = SystemColors.ScrollBar; _propertyGrid.Location = new Point(260, 28); _propertyGrid.Name = "_propertyGrid"; _propertyGrid.PropertySort = PropertySort.Alphabetical; _propertyGrid.Size = new Size(204, 259); _propertyGrid.TabIndex = 3; _propertyGrid.Text = SR.GetString(SR.MenuItemCollectionEditor_PropertyGrid); _propertyGrid.ToolbarVisible = true; _propertyGrid.ViewBackColor = SystemColors.Window; _propertyGrid.ViewForeColor = SystemColors.WindowText; _propertyGrid.PropertyValueChanged += new PropertyValueChangedEventHandler(OnPropertyGridPropertyValueChanged); _propertyGrid.Site = _webTreeView.Site; // // _okButton // _okButton.Anchor = (AnchorStyles.Bottom | AnchorStyles.Right); _okButton.FlatStyle = FlatStyle.System; _okButton.Location = new Point(309, 296); _okButton.Name = "_okButton"; _okButton.Size = new Size(75, 23); _okButton.TabIndex = 9; _okButton.Text = SR.GetString(SR.TreeNodeCollectionEditor_OK); _okButton.Click += new EventHandler(OnOkButtonClick); // // _cancelButton // _cancelButton.Anchor = (AnchorStyles.Bottom | AnchorStyles.Right); _cancelButton.FlatStyle = FlatStyle.System; _cancelButton.Location = new Point(389, 296); _cancelButton.Name = "_cancelButton"; _cancelButton.Size = new Size(75, 23); _cancelButton.TabIndex = 10; _cancelButton.Text = SR.GetString(SR.TreeNodeCollectionEditor_Cancel); _cancelButton.Click += new EventHandler(OnCancelButtonClick); // // _propertiesLabel // _propertiesLabel.Anchor = (AnchorStyles.Top | AnchorStyles.Right); _propertiesLabel.Location = new Point(260, 12); _propertiesLabel.Name = "_propertiesLabel"; _propertiesLabel.Size = new Size(204, 14); _propertiesLabel.TabIndex = 2; _propertiesLabel.Text = SR.GetString(SR.TreeNodeCollectionEditor_Properties); // // _nodesLabel // _nodesLabel.Location = new Point(12, 12); _nodesLabel.Name = "_nodesLabel"; _nodesLabel.Size = new Size(100, 14); _nodesLabel.TabIndex = 0; _nodesLabel.Text = SR.GetString(SR.TreeNodeCollectionEditor_Nodes); ImageList images = new ImageList(); images.ImageSize = new Size(16, 16); images.TransparentColor = Color.Magenta; images.Images.AddStrip(new Bitmap(GetType(), "Commands.bmp")); _treeViewToolBar.ImageList = images; // // TreeNodeEditor // ClientSize = new Size(478, 331); CancelButton = _cancelButton; Controls.AddRange(new Control[] { _nodesLabel, _propertiesLabel, _cancelButton, _okButton, _propertyGrid, _treeViewPanel, _treeViewToolBar}); FormBorderStyle = FormBorderStyle.FixedDialog; MinimumSize = new Size(484, 331); Name = "TreeNodeEditor"; SizeGripStyle = SizeGripStyle.Hide; Text = SR.GetString(SR.TreeNodeCollectionEditor_Title); InitializeForm(); _treeViewPanel.ResumeLayout(false); ResumeLayout(false); } protected override string HelpTopic { get { return "net.Asp.TreeView.CollectionEditor"; } } /// /// Load the WinForms nodes from the Web TreeView /// private void LoadNodes(WinTreeNodeCollection destNodes, WebTreeNodeCollection sourceNodes) { foreach (WebTreeNode node in sourceNodes) { TreeNodeContainer newNode = new TreeNodeContainer(); destNodes.Add(newNode); newNode.Text = node.Text; WebTreeNode clonedNode = (WebTreeNode)((ICloneable)node).Clone(); _treeViewDesigner.RegisterClone(node, clonedNode); newNode.WebTreeNode = clonedNode; if (node.ChildNodes.Count > 0) { LoadNodes(newNode.Nodes, node.ChildNodes); } } } ////// Add a new root node /// private void OnAddRootButtonClick() { TreeNodeContainer node = new TreeNodeContainer(); _treeView.Nodes.Add(node); string newNodeText = SR.GetString(SR.TreeNodeCollectionEditor_NewNodeText); node.Text = newNodeText; node.WebTreeNode.Text = newNodeText; _treeView.SelectedNode = node; } ////// Add a child node to the current node; /// private void OnAddChildButtonClick() { WinTreeNode selectedNode = _treeView.SelectedNode; if (selectedNode != null) { TreeNodeContainer node = new TreeNodeContainer(); selectedNode.Nodes.Add(node); string newNodeText = SR.GetString(SR.TreeNodeCollectionEditor_NewNodeText); node.Text = newNodeText; node.WebTreeNode.Text = newNodeText; if (!selectedNode.IsExpanded) { selectedNode.Expand(); } _treeView.SelectedNode = node; } } private void OnCancelButtonClick(object sender, EventArgs e) { DialogResult = DialogResult.Cancel; Close(); } ////// Moves the selected node to be a child of the previous node /// private void OnIndentButtonClick() { WinTreeNode selectedNode = _treeView.SelectedNode; if (selectedNode != null) { WinTreeNode previousNode = selectedNode.PrevNode; if (previousNode != null) { selectedNode.Remove(); previousNode.Nodes.Add(selectedNode); _treeView.SelectedNode = selectedNode; } } } ////// Move the selected node down in its set of siblings /// private void OnMoveDownButtonClick() { WinTreeNode selectedNode = _treeView.SelectedNode; if (selectedNode != null) { WinTreeNode nextNode = selectedNode.NextNode; WinTreeNodeCollection nodes = _treeView.Nodes; if (selectedNode.Parent != null) { nodes = selectedNode.Parent.Nodes; } if (nextNode != null) { selectedNode.Remove(); nodes.Insert(nextNode.Index + 1, selectedNode); _treeView.SelectedNode = selectedNode; } } } ////// Move the selected node up in its set of siblings /// private void OnMoveUpButtonClick() { WinTreeNode selectedNode = _treeView.SelectedNode; if (selectedNode != null) { WinTreeNode previousNode = selectedNode.PrevNode; WinTreeNodeCollection nodes = _treeView.Nodes; if (selectedNode.Parent != null) { nodes = selectedNode.Parent.Nodes; } if (previousNode != null) { selectedNode.Remove(); nodes.Insert(previousNode.Index, selectedNode); _treeView.SelectedNode = selectedNode; } } } private void OnOkButtonClick(object sender, EventArgs e) { SaveNodes(_webTreeView.Nodes, _treeView.Nodes); DialogResult = DialogResult.OK; Close(); } ////// Update the WinForms TreeNode's text value to be the one changed in the property grid. /// private void OnPropertyGridPropertyValueChanged(object sender, PropertyValueChangedEventArgs e) { TreeNodeContainer selectedNode = (TreeNodeContainer)_treeView.SelectedNode; if (selectedNode != null) { selectedNode.Text = selectedNode.WebTreeNode.Text; // UpdateExpandStateRecursive(_treeView.Nodes); } _propertyGrid.Refresh(); } ////// Removes the selected node /// private void OnRemoveButtonClick() { WinTreeNode selectedNode = _treeView.SelectedNode; if (selectedNode != null) { WinTreeNodeCollection nodes = null; if (selectedNode.Parent != null) { nodes = selectedNode.Parent.Nodes; } else { nodes = _treeView.Nodes; } if (nodes.Count == 1) { _treeView.SelectedNode = selectedNode.Parent; } else if (selectedNode.NextNode != null) { _treeView.SelectedNode = selectedNode.NextNode; } else { _treeView.SelectedNode = selectedNode.PrevNode; } selectedNode.Remove(); // Special case here since AfterSelect isn't being called. if (_treeView.SelectedNode == null) { _propertyGrid.SelectedObject = null; } UpdateEnabledState(); } } ////// Load nodes in the first activation to workaround the TreeView horz scrollbar bug. Also fix all the /// expand states of the nodes (another WinForms workaround). Select the first node if there is one. /// protected override void OnInitialActivated(EventArgs e) { base.OnInitialActivated(e); LoadNodes(_treeView.Nodes, _webTreeView.Nodes); // UpdateExpandStateRecursive(_treeView.Nodes); if (_treeView.Nodes.Count > 0) { _treeView.SelectedNode = _treeView.Nodes[0]; } UpdateEnabledState(); } /* private void OnTreeViewAfterCollapse(object sender, TreeViewEventArgs e) { if (e.Node != null) { ((TreeNodeContainer)e.Node).WebTreeNode.Expanded = false; _propertyGrid.Refresh(); } } private void OnTreeViewAfterExpand(object sender, TreeViewEventArgs e) { if (e.Node != null) { ((TreeNodeContainer)e.Node).WebTreeNode.Expanded = true; _propertyGrid.Refresh(); } } */ ////// Update the property grid's selected object and enabled states of the buttons /// private void OnTreeViewAfterSelect(object sender, TreeViewEventArgs e) { if (e.Node != null) { _propertyGrid.SelectedObject = ((TreeNodeContainer)e.Node).WebTreeNode; } else { _propertyGrid.SelectedObject = null; } UpdateEnabledState(); } private void OnTreeViewKeyDown(object sender, KeyEventArgs e) { if (e.KeyCode == Keys.Insert) { if ((ModifierKeys & Keys.Alt) != 0) { OnAddChildButtonClick(); } else { OnAddRootButtonClick(); } e.Handled = true; } else if (e.KeyCode == Keys.Delete) { OnRemoveButtonClick(); e.Handled = true; } else if ((ModifierKeys & Keys.Shift) != 0) { if (e.KeyCode == Keys.Up) { OnMoveUpButtonClick(); } else if (e.KeyCode == Keys.Down) { OnMoveDownButtonClick(); } else if (e.KeyCode == Keys.Left) { OnUnindentButtonClick(); } else if (e.KeyCode == Keys.Right) { OnIndentButtonClick(); } e.Handled = true; } } private void OnTreeViewToolBarButtonClick(object sender, System.Windows.Forms.ToolStripItemClickedEventArgs e) { if (e.ClickedItem == _addRootButton) { OnAddRootButtonClick(); } else if (e.ClickedItem == _addChildButton) { OnAddChildButtonClick(); } else if (e.ClickedItem == _removeButton) { OnRemoveButtonClick(); } else if (e.ClickedItem == _moveUpButton) { OnMoveUpButtonClick(); } else if (e.ClickedItem == _unindentButton) { OnUnindentButtonClick(); } else if (e.ClickedItem == _indentButton) { OnIndentButtonClick(); } else if (e.ClickedItem == _moveDownButton) { OnMoveDownButtonClick(); } } ////// Moves the selected node to be a sibling of its parent node /// private void OnUnindentButtonClick() { WinTreeNode selectedNode = _treeView.SelectedNode; if (selectedNode != null) { WinTreeNode parentNode = selectedNode.Parent; if (parentNode != null) { WinTreeNodeCollection nodes = _treeView.Nodes; if (parentNode.Parent != null) { nodes = parentNode.Parent.Nodes; } if (parentNode != null) { selectedNode.Remove(); nodes.Insert(parentNode.Index + 1, selectedNode); _treeView.SelectedNode = selectedNode; } } } } ////// Save all the created/edited nodes to the web TreeView /// private void SaveNodes(WebTreeNodeCollection destNodes, WinTreeNodeCollection sourceNodes) { destNodes.Clear(); foreach (TreeNodeContainer node in sourceNodes) { WebTreeNode newNode = node.WebTreeNode; // newNode.Expanded = node.IsExpanded; destNodes.Add(newNode); if (node.Nodes.Count > 0) { SaveNodes(newNode.ChildNodes, node.Nodes); } } } ////// Sets the enabled states of all the buttons /// private void UpdateEnabledState() { WinTreeNode selectedNode = _treeView.SelectedNode; if (selectedNode != null) { _addChildButton.Enabled = true; _removeButton.Enabled = true; _moveUpButton.Enabled = (selectedNode.PrevNode != null); _moveDownButton.Enabled = (selectedNode.NextNode != null); _indentButton.Enabled = (selectedNode.PrevNode != null); _unindentButton.Enabled = (selectedNode.Parent != null); } else { _addChildButton.Enabled = false; _removeButton.Enabled = false; _moveUpButton.Enabled = false; _moveDownButton.Enabled = false; _indentButton.Enabled = false; _unindentButton.Enabled = false; } } /* ////// Syncs the WinTreeNodes' expand that with that of the WebTreeNodes /// private void UpdateExpandStateRecursive(WinTreeNodeCollection nodes) { foreach (TreeNodeContainer node in nodes) { if (node.WebTreeNode.Expanded) { node.Expand(); if (node.Nodes.Count > 0) { UpdateExpandStateRecursive(node.Nodes); } } else { node.Collapse(); } } } */ ////// Covenience class for storing a Web TreeNode inside a WinForms TreeNode /// private class TreeNodeContainer : WinTreeNode { private WebTreeNode _webTreeNode; public WebTreeNode WebTreeNode { get { if (_webTreeNode == null) { _webTreeNode = new WebTreeNode(); } return _webTreeNode; } set { _webTreeNode = value; } } } } } // 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
- DetailsViewUpdateEventArgs.cs
- ExtensionWindowHeader.cs
- CommonDialog.cs
- PropertyCollection.cs
- IntSecurity.cs
- PbrsForward.cs
- ObjectQueryState.cs
- Polyline.cs
- ConfigurationStrings.cs
- WebPartEventArgs.cs
- Compiler.cs
- SuppressMergeCheckAttribute.cs
- CompositeFontFamily.cs
- TextDecoration.cs
- SectionVisual.cs
- JsonWriter.cs
- CrossContextChannel.cs
- Run.cs
- CreateUserWizardAutoFormat.cs
- BoundingRectTracker.cs
- ItemsControlAutomationPeer.cs
- CqlParser.cs
- CompilationPass2Task.cs
- PerformanceCounter.cs
- ManifestSignedXml.cs
- XmlElementAttribute.cs
- RelatedPropertyManager.cs
- DataConnectionHelper.cs
- StylusPointPropertyInfoDefaults.cs
- SignatureConfirmations.cs
- WebServiceErrorEvent.cs
- xmlfixedPageInfo.cs
- ObjectStorage.cs
- DataColumnChangeEvent.cs
- ThaiBuddhistCalendar.cs
- MimeReturn.cs
- Label.cs
- AndMessageFilterTable.cs
- SqlClientMetaDataCollectionNames.cs
- UnSafeCharBuffer.cs
- shaper.cs
- LineGeometry.cs
- DbConnectionStringCommon.cs
- TextServicesContext.cs
- Operand.cs
- DocumentOrderQuery.cs
- TimeoutValidationAttribute.cs
- EtwProvider.cs
- ExpressionBuilderContext.cs
- SqlPersonalizationProvider.cs
- Rotation3D.cs
- DispatcherFrame.cs
- DataContractAttribute.cs
- FrameworkName.cs
- DefaultShape.cs
- ListChangedEventArgs.cs
- XhtmlTextWriter.cs
- InternalSafeNativeMethods.cs
- RowVisual.cs
- EventProviderClassic.cs
- HTMLTagNameToTypeMapper.cs
- Int32RectConverter.cs
- DropTarget.cs
- Shared.cs
- PerfService.cs
- PropertyKey.cs
- ExceptionHandlerDesigner.cs
- SecurityElement.cs
- DataSourceDescriptorCollection.cs
- TickBar.cs
- _Semaphore.cs
- Compiler.cs
- ConnectionProviderAttribute.cs
- CustomBindingCollectionElement.cs
- Graph.cs
- FrameworkElementFactoryMarkupObject.cs
- InputProcessorProfiles.cs
- ActivityExecutorOperation.cs
- BindingContext.cs
- LinearGradientBrush.cs
- CompositeDuplexElement.cs
- SerializableAttribute.cs
- EmptyEnumerable.cs
- StringKeyFrameCollection.cs
- ObservableDictionary.cs
- XmlWriterSettings.cs
- RealProxy.cs
- AuthenticationManager.cs
- LightweightCodeGenerator.cs
- Geometry3D.cs
- DiscoveryServerProtocol.cs
- WCFBuildProvider.cs
- MenuItemBinding.cs
- CharAnimationUsingKeyFrames.cs
- TypeCodeDomSerializer.cs
- QilStrConcatenator.cs
- FactoryGenerator.cs
- DataPagerCommandEventArgs.cs
- FlatButtonAppearance.cs
- DPTypeDescriptorContext.cs