Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / WebControls / MenuItemCollectionEditorDialog.cs / 1 / MenuItemCollectionEditorDialog.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 WebMenuItem = System.Web.UI.WebControls.MenuItem;
using WebMenuItemCollection = System.Web.UI.WebControls.MenuItemCollection;
using WebMenu = System.Web.UI.WebControls.Menu;
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 MenuItemCollectionEditorDialog : 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 WebMenu _webMenu;
private MenuDesigner _menuDesigner;
public MenuItemCollectionEditorDialog(WebMenu menu, MenuDesigner menuDesigner) : base(menu.Site) {
_webMenu = menu;
_menuDesigner = menuDesigner;
_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.MenuItemCollectionEditor_AddRoot), 3);
_addChildButton = CreatePushButton(SR.GetString(SR.MenuItemCollectionEditor_AddChild), 2);
_removeButton = CreatePushButton(SR.GetString(SR.MenuItemCollectionEditor_Remove), 4);
_moveUpButton = CreatePushButton(SR.GetString(SR.MenuItemCollectionEditor_MoveUp), 5);
_moveDownButton = CreatePushButton(SR.GetString(SR.MenuItemCollectionEditor_MoveDown), 6);
_indentButton = CreatePushButton(SR.GetString(SR.MenuItemCollectionEditor_Indent), 1);
_unindentButton = CreatePushButton(SR.GetString(SR.MenuItemCollectionEditor_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 = _webMenu.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.MenuItemCollectionEditor_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.MenuItemCollectionEditor_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.MenuItemCollectionEditor_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.MenuItemCollectionEditor_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.MenuItemCollectionEditor_Title);
_treeViewPanel.ResumeLayout(false);
InitializeForm();
ResumeLayout(false);
}
protected override string HelpTopic {
get {
return "net.Asp.Menu.CollectionEditor";
}
}
///
/// Load the WinForms nodes from the Web Menu
///
private void LoadNodes(WinTreeNodeCollection destNodes, WebMenuItemCollection sourceNodes) {
foreach (WebMenuItem node in sourceNodes) {
MenuItemContainer newNode = new MenuItemContainer();
destNodes.Add(newNode);
newNode.Text = node.Text;
WebMenuItem clonedMenuItem = (WebMenuItem)((ICloneable)node).Clone();
_menuDesigner.RegisterClone(node, clonedMenuItem);
newNode.WebMenuItem = clonedMenuItem;
if (node.ChildItems.Count > 0) {
LoadNodes(newNode.Nodes, node.ChildItems);
}
}
}
///
/// Add a child node to the current node;
///
private void OnAddChildButtonClick() {
ValidatePropertyGrid();
WinTreeNode selectedNode = _treeView.SelectedNode;
if (selectedNode != null) {
MenuItemContainer node = new MenuItemContainer();
selectedNode.Nodes.Add(node);
string newNodeText = SR.GetString(SR.MenuItemCollectionEditor_NewNodeText);
node.Text = newNodeText;
node.WebMenuItem.Text = newNodeText;
selectedNode.Expand();
_treeView.SelectedNode = node;
}
}
///
/// Add a new root node
///
private void OnAddRootButtonClick() {
ValidatePropertyGrid();
MenuItemContainer node = new MenuItemContainer();
_treeView.Nodes.Add(node);
string newNodeText = SR.GetString(SR.MenuItemCollectionEditor_NewNodeText);
node.Text = newNodeText;
node.WebMenuItem.Text = newNodeText;
_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() {
ValidatePropertyGrid();
WinTreeNode selectedNode = _treeView.SelectedNode;
if (selectedNode != null) {
WinTreeNode previousNode = selectedNode.PrevNode;
if (previousNode != null) {
selectedNode.Remove();
previousNode.Nodes.Add(selectedNode);
_treeView.SelectedNode = selectedNode;
}
}
}
///
/// Load nodes in the first activation to workaround the Menu 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, _webMenu.Items);
if (_treeView.Nodes.Count > 0) {
_treeView.SelectedNode = _treeView.Nodes[0];
}
UpdateEnabledState();
}
///
/// 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 = ((MenuItemContainer)e.Node).WebMenuItem;
}
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();
}
}
///
/// Move the selected node down in its set of siblings
///
private void OnMoveDownButtonClick() {
ValidatePropertyGrid();
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() {
ValidatePropertyGrid();
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) {
ValidatePropertyGrid();
SaveNodes(_webMenu.Items, _treeView.Nodes);
DialogResult = DialogResult.OK;
Close();
}
private void OnPropertyGridPropertyValueChanged(object sender, PropertyValueChangedEventArgs e) {
ValidatePropertyGrid();
MenuItemContainer selectedNode = (MenuItemContainer)_treeView.SelectedNode;
if (selectedNode != null) {
selectedNode.Text = selectedNode.WebMenuItem.Text;
// UpdateExpandStateRecursive(_treeView.Nodes);
}
_propertyGrid.Refresh();
}
///
/// Removes the selected node
///
private void OnRemoveButtonClick() {
ValidatePropertyGrid();
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();
}
}
///
/// Moves the selected node to be a sibling of its parent node
///
private void OnUnindentButtonClick() {
ValidatePropertyGrid();
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 Menu
///
private void SaveNodes(WebMenuItemCollection destNodes, WinTreeNodeCollection sourceNodes) {
ValidatePropertyGrid();
destNodes.Clear();
foreach (MenuItemContainer node in sourceNodes) {
WebMenuItem newNode = node.WebMenuItem;
destNodes.Add(newNode);
if (node.Nodes.Count > 0) {
SaveNodes(newNode.ChildItems, 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;
}
}
private void ValidatePropertyGrid() {
MenuItemContainer selectedNode = (MenuItemContainer)_treeView.SelectedNode;
if (selectedNode != null) {
selectedNode.Text = selectedNode.WebMenuItem.Text;
if (selectedNode.WebMenuItem.Selected &&
!(selectedNode.WebMenuItem.Selectable && selectedNode.WebMenuItem.Enabled)) {
UIServiceHelper.ShowError(ServiceProvider, SR.GetString(SR.MenuItemCollectionEditor_CantSelect));
selectedNode.WebMenuItem.Selected = false;
_propertyGrid.Refresh();
}
}
}
///
/// Covenience class for storing a Web MenuNode inside a WinForms MenuNode
///
private class MenuItemContainer : WinTreeNode {
private WebMenuItem _webMenuNode;
public WebMenuItem WebMenuItem {
get {
if (_webMenuNode == null) {
_webMenuNode = new WebMenuItem();
}
return _webMenuNode;
}
set {
_webMenuNode = value;
}
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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