405 lines
13 KiB
C#
405 lines
13 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="ListItemsPage.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.UI.Design.MobileControls
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{
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using System;
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using System.Collections;
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.Diagnostics;
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using System.Drawing;
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using System.Windows.Forms;
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using System.Windows.Forms.Design;
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// using System.Web.UI.Design.Util;
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using System.Web.UI.MobileControls;
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using System.Web.UI.Design.MobileControls.Util;
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using Button = System.Windows.Forms.Button;
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using Label = System.Windows.Forms.Label;
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using TextBox = System.Windows.Forms.TextBox;
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using CheckBox = System.Windows.Forms.CheckBox;
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using TreeView = System.Windows.Forms.TreeView;
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/// <summary>
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/// The Items page for the List control.
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/// </summary>
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/// <internalonly/>
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[
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System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand,
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Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)
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]
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[Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
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internal sealed class ListItemsPage : ListComponentEditorPage
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{
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private IListDesigner _listDesigner;
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private CheckBox _itemsAsLinksCheckBox;
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private TextBox _txtValue;
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private CheckBox _ckbSelected;
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private bool _isBaseControlList;
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public ListItemsPage()
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{
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TreeViewTitle = SR.GetString(SR.ListItemsPage_ItemCaption);
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AddButtonTitle = SR.GetString(SR.ListItemsPage_NewItemCaption);
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DefaultName = SR.GetString(SR.ListItemsPage_DefaultItemText);
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}
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protected override String HelpKeyword
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{
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get
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{
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if (_isBaseControlList)
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{
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return "net.Mobile.ListProperties.Items";
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}
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else
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{
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return "net.Mobile.SelectionListProperties.Items";
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}
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}
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}
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protected override bool FilterIllegalName()
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{
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return false;
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}
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protected override String GetNewName()
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{
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return SR.GetString(SR.ListItemsPage_DefaultItemText);
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}
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protected override void InitForm()
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{
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Debug.Assert(GetBaseControl() != null);
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_isBaseControlList = (GetBaseControl() is List);
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this._listDesigner = (IListDesigner)GetBaseDesigner();
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Y = (_isBaseControlList ? 52 : 24);
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base.InitForm();
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this.Text = SR.GetString(SR.ListItemsPage_Title);
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this.CommitOnDeactivate = true;
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this.Icon = new Icon(
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typeof(System.Web.UI.Design.MobileControls.MobileControlDesigner),
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"Items.ico"
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);
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this.Size = new Size(382, 220);
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if (_isBaseControlList)
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{
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_itemsAsLinksCheckBox = new CheckBox();
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_itemsAsLinksCheckBox.SetBounds(4, 4, 370, 16);
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_itemsAsLinksCheckBox.Text = SR.GetString(SR.ListItemsPage_ItemsAsLinksCaption);
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_itemsAsLinksCheckBox.FlatStyle = FlatStyle.System;
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_itemsAsLinksCheckBox.CheckedChanged += new EventHandler(this.OnSetPageDirty);
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_itemsAsLinksCheckBox.TabIndex = 0;
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}
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GroupLabel grplblItemList = new GroupLabel();
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grplblItemList.SetBounds(4, _isBaseControlList ? 32 : 4, 372, LabelHeight);
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grplblItemList.Text = SR.GetString(SR.ListItemsPage_ItemListGroupLabel);
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grplblItemList.TabIndex = 1;
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grplblItemList.TabStop = false;
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TreeList.TabIndex = 2;
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Label lblValue = new Label();
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lblValue.SetBounds(X, Y, 134, LabelHeight);
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lblValue.Text = SR.GetString(SR.ListItemsPage_ItemValueCaption);
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lblValue.TabStop = false;
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lblValue.TabIndex = Index;
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Y += LabelHeight;
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_txtValue = new TextBox();
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_txtValue.SetBounds(X, Y, 134, CmbHeight);
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_txtValue.TextChanged += new EventHandler(this.OnPropertyChanged);
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_txtValue.TabIndex = Index + 1;
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this.Controls.AddRange(new Control[]
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{
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grplblItemList,
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lblValue,
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_txtValue
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});
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if (_isBaseControlList)
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{
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this.Controls.Add(_itemsAsLinksCheckBox);
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}
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else
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{
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Y += CellSpace;
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_ckbSelected = new CheckBox();
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_ckbSelected.SetBounds(X, Y, 134, LabelHeight);
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_ckbSelected.FlatStyle = System.Windows.Forms.FlatStyle.System;
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_ckbSelected.Text = SR.GetString(SR.ListItemsPage_ItemSelectedCaption);
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_ckbSelected.CheckedChanged += new EventHandler(this.OnPropertyChanged);
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_ckbSelected.TabIndex = Index + 2;
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this.Controls.Add(_ckbSelected);
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}
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}
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protected override void InitPage()
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{
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base.InitPage();
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if (_isBaseControlList)
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{
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List list = (List)GetBaseControl();
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_itemsAsLinksCheckBox.Checked = list.ItemsAsLinks;
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}
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else
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{
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_ckbSelected.Checked = false;
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}
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_txtValue.Text = String.Empty;
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}
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protected override void LoadItems()
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{
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using (new LoadingModeResource(this))
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{
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foreach (MobileListItem item in _listDesigner.Items)
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{
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ItemTreeNode newNode = new ItemTreeNode(item);
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TreeList.TvList.Nodes.Add(newNode);
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}
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}
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}
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protected override void LoadItemProperties()
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{
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using (new LoadingModeResource(this))
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{
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if (CurrentNode != null)
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{
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ItemTreeNode currentItemNode = (ItemTreeNode)CurrentNode;
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_txtValue.Text = currentItemNode.Value;
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if (!_isBaseControlList)
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{
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_ckbSelected.Checked = currentItemNode.Selected;
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}
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}
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else
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{
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_txtValue.Text = String.Empty;
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if (!_isBaseControlList)
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{
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_ckbSelected.Checked = false;
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}
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}
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}
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}
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protected override void OnAfterLabelEdit(Object source, NodeLabelEditEventArgs e)
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{
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base.OnAfterLabelEdit(source, e);
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if (!((ItemTreeNode)CurrentNode).ValueSet)
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{
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_txtValue.Text = ((ItemTreeNode)CurrentNode).Value = CurrentNode.Name;
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}
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}
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protected override void OnClickAddButton(Object source, EventArgs e)
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{
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if (IsLoading())
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{
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return;
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}
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ItemTreeNode newNode = new ItemTreeNode(GetNewName());
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TreeList.TvList.Nodes.Add(newNode);
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TreeList.TvList.SelectedNode = newNode;
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CurrentNode = newNode;
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newNode.Dirty = true;
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newNode.BeginEdit();
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LoadItemProperties();
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SetDirty();
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}
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private void OnSetPageDirty(Object source, EventArgs e)
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{
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if (IsLoading())
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{
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return;
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}
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SetDirty();
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}
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protected override void OnPropertyChanged(Object source, EventArgs e)
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{
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// This means there are no fields yet. Do nothing
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if (CurrentNode == null || IsLoading())
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{
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return;
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}
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if (source is TextBox)
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{
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((ItemTreeNode)CurrentNode).Value = _txtValue.Text;
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}
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else
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{
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Debug.Assert(!_isBaseControlList);
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((ItemTreeNode)CurrentNode).Selected = _ckbSelected.Checked;
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}
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SetDirty();
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CurrentNode.Dirty = true;
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}
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protected override void SaveComponent()
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{
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// Delegate to base implementation first!
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// This will properly close ListTreeNode editing mode.
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base.SaveComponent();
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_listDesigner.Items.Clear();
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foreach (ItemTreeNode itemNode in TreeList.TvList.Nodes)
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{
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if (itemNode.Dirty)
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{
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itemNode.RuntimeItem.Text = itemNode.Text;
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itemNode.RuntimeItem.Value = itemNode.Value;
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if (!_isBaseControlList)
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{
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itemNode.RuntimeItem.Selected = itemNode.Selected;
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}
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}
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_listDesigner.Items.Add(itemNode.RuntimeItem);
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}
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if (_isBaseControlList)
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{
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List list = (List)GetBaseControl();
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list.ItemsAsLinks = _itemsAsLinksCheckBox.Checked;
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TypeDescriptor.Refresh(list);
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}
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else
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{
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SelectionList selectionList = (SelectionList)GetBaseControl();
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TypeDescriptor.Refresh(selectionList);
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}
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}
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protected override void UpdateControlsEnabling()
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{
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if (TreeList.TvList.SelectedNode == null)
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{
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TreeList.TvList.Enabled = _txtValue.Enabled = false;
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_txtValue.Text = String.Empty;
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}
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else
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{
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TreeList.TvList.Enabled = _txtValue.Enabled = true;
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}
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if (!_isBaseControlList)
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{
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SelectionList selectionListControl = (SelectionList) GetBaseControl();
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if (TreeList.TvList.SelectedNode == null)
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{
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_ckbSelected.Enabled = false;
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_ckbSelected.Checked = false;
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}
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else
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{
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_ckbSelected.Enabled = true;
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}
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}
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}
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/// <summary>
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/// Internal object used to store all items properties
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/// </summary>
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[
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System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand,
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Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)
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]
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private class ItemTreeNode : ListTreeNode
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{
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private MobileListItem _runtimeItem;
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private String _value;
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private bool _selected;
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private bool _valueSet = false;
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/// <summary>
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/// </summary>
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internal ItemTreeNode(String itemText) : base(itemText)
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{
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this._runtimeItem = new MobileListItem();
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this._value = null;
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this._selected = false;
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}
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/// <summary>
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/// </summary>
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internal ItemTreeNode(MobileListItem runtimeItem) : base(runtimeItem.Text)
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{
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Debug.Assert(runtimeItem != null, "runtimeItem is null");
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_valueSet = true;
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this._runtimeItem = runtimeItem;
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this._value = _runtimeItem.Value;
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this._selected = _runtimeItem.Selected;
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}
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internal MobileListItem RuntimeItem
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{
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get
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{
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return _runtimeItem;
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}
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}
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internal String Value
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{
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get
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{
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return _value;
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}
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set
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{
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_value = value;
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_valueSet = true;
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}
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}
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internal bool Selected
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{
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get
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{
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return _selected;
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}
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set
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{
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_selected = value;
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}
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}
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internal bool ValueSet
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{
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get
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{
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return _valueSet;
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}
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}
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}
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}
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}
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