ObjectListCommandsPage.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Design / ObjectListCommandsPage.cs / 1305376 / ObjectListCommandsPage.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI.Design.MobileControls 
{ 
    using System;
    using System.Collections; 
    using System.ComponentModel;
    using System.ComponentModel.Design;
    using System.CodeDom.Compiler;
    using System.Diagnostics; 
    using System.Drawing;
    using System.Web.UI.MobileControls; 
    using System.Windows.Forms; 
    using System.Windows.Forms.Design;
//    using System.Web.UI.Design.Util; 

    using System.Web.UI.Design.MobileControls.Util;

    using ObjectList = System.Web.UI.MobileControls.ObjectList; 
    using Label      = System.Windows.Forms.Label;
    using TextBox    = System.Windows.Forms.TextBox; 
 
    /// 
    ///   The Commands page for the ObjectList control. 
    /// 
    /// 
    [
        System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, 
        Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)
    ] 
    [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.")] 
    internal sealed class ObjectListCommandsPage : ListComponentEditorPage
    { 
        private ComboBox _cmbDefaultCommand;
        private TextBox _txtText = null;
        private ObjectList _objectList = null;
 
        public ObjectListCommandsPage()
        { 
            Y = 24; 
            CaseSensitive = false;
            TreeViewTitle           = SR.GetString(SR.ObjectListCommandsPage_CommandNameCaption); 
            AddButtonTitle          = SR.GetString(SR.ObjectListCommandsPage_NewCommandBtnCaption);
            DefaultName             = SR.GetString(SR.ObjectListCommandsPage_DefaultCommandName);
            MessageTitle            = SR.GetString(SR.ObjectListCommandsPage_ErrorMessageTitle);
            EmptyNameMessage        = SR.GetString(SR.ObjectListCommandsPage_EmptyNameError); 
            // DuplicateNameMessage = SR.GetString(SR.ObjectListCommandsPage_DuplicateNameError);
            // InvalidNameMessage   = SR.GetString(SR.ObjectListCommandsPage_InvalidName);  // DCR 4240 
        } 

        protected override String HelpKeyword 
        {
            get
            {
                return "net.Mobile.ObjectListProperties.Commands"; 
            }
        } 
 
        protected override void InitForm()
        { 
            base.InitForm();

            this._objectList = (ObjectList)Component;
            this.CommitOnDeactivate = true; 
            this.Icon = new Icon(
                typeof(System.Web.UI.Design.MobileControls.MobileControlDesigner), 
                "Commands.ico" 
            );
            this.Size = new Size(402, 300); 
            this.Text = SR.GetString(SR.ObjectListCommandsPage_Title);

            GroupLabel grplblCommandList = new GroupLabel();
            grplblCommandList.SetBounds(4, 4, 392, LabelHeight); 
            grplblCommandList.Text = SR.GetString(SR.ObjectListCommandsPage_CommandListGroupLabel);
            grplblCommandList.TabIndex = 0; 
            grplblCommandList.TabStop = false; 

            TreeList.TabIndex = 1; 

            Label lblText = new Label();
            lblText.SetBounds(X, Y, ControlWidth, LabelHeight);
            lblText.Text = SR.GetString(SR.ObjectListCommandsPage_TextCaption); 
            lblText.TabStop = false;
            lblText.TabIndex = TabIndex; 
 
            _txtText = new TextBox();
            Y += LabelHeight; 
            _txtText.SetBounds(X, Y, ControlWidth, CmbHeight);
            _txtText.TextChanged += new EventHandler(this.OnPropertyChanged);
            _txtText.TabIndex = TabIndex + 1;
 
            GroupLabel grplblData = new GroupLabel();
            grplblData.SetBounds(4, 238, 392, LabelHeight); 
            grplblData.Text = SR.GetString(SR.ObjectListCommandsPage_DataGroupLabel); 
            grplblData.TabIndex = TabIndex + 2;
            grplblData.TabStop = false; 

            Label lblDefaultCommand = new Label();
            lblDefaultCommand.SetBounds(8, 260, 182, LabelHeight);
            lblDefaultCommand.Text = SR.GetString(SR.ObjectListCommandsPage_DefaultCommandCaption); 
            lblDefaultCommand.TabStop = false;
            lblDefaultCommand.TabIndex = TabIndex + 3; 
 
            _cmbDefaultCommand = new ComboBox();
            _cmbDefaultCommand.SetBounds(8, 276, 182, 64); 
            _cmbDefaultCommand.DropDownStyle = ComboBoxStyle.DropDown;
            _cmbDefaultCommand.Sorted = true;
            _cmbDefaultCommand.TabIndex = TabIndex + 4;
            _cmbDefaultCommand.SelectedIndexChanged += new EventHandler(this.OnSetPageDirty); 
            _cmbDefaultCommand.TextChanged += new EventHandler(this.OnSetPageDirty);
 
            this.Controls.AddRange(new Control[] 
                                    {
                                        grplblCommandList, 
                                        lblText,
                                        _txtText,
                                        grplblData,
                                        lblDefaultCommand, 
                                        _cmbDefaultCommand
                                    }); 
        } 

        protected override void InitPage() 
        {
            base.InitPage();

            _cmbDefaultCommand.Text = _objectList.DefaultCommand; 
            _txtText.Text = String.Empty;
        } 
 
        protected override void LoadItems()
        { 
            using (new LoadingModeResource(this))
            {
                foreach (ObjectListCommand command in _objectList.Commands)
                { 
                    CommandTreeNode newNode = new CommandTreeNode(command.Name, command);
                    TreeList.TvList.Nodes.Add(newNode); 
                } 
            }
            LoadDefaultCommands(); 
        }

        protected override void LoadItemProperties()
        { 
            using (new LoadingModeResource(this))
            { 
                if (CurrentNode != null) 
                {
                    CommandTreeNode currentCommandNode = (CommandTreeNode)CurrentNode; 
                    _txtText.Text = currentCommandNode.Text;
                }
                else
                { 
                    _txtText.Text = String.Empty;
                } 
            } 
        }
 
        private void LoadDefaultCommands()
        {
            _cmbDefaultCommand.Items.Clear();
            foreach (CommandTreeNode commandNode in TreeList.TvList.Nodes) 
            {
                _cmbDefaultCommand.Items.Add(commandNode.Name); 
            } 
        }
 
        private void OnSetPageDirty(Object source, EventArgs e)
        {
            if (IsLoading())
            { 
                return;
            } 
            SetDirty(); 
        }
 
        protected override void OnClickAddButton(Object source, EventArgs e)
        {
            if (IsLoading())
            { 
                return;
            } 
 
            CommandTreeNode newNode = new CommandTreeNode(GetNewName());
            TreeList.TvList.Nodes.Add(newNode); 

            TreeList.TvList.SelectedNode = newNode;
            CurrentNode = newNode;
            newNode.Dirty = true; 
            newNode.BeginEdit();
 
            LoadItemProperties(); 
            LoadDefaultCommands();
            SetDirty(); 
        }

        protected override void OnClickRemoveButton(Object source, EventArgs e)
        { 
            base.OnClickRemoveButton(source, e);
            LoadDefaultCommands(); 
        } 

        protected override void OnNodeRenamed() 
        {
            LoadDefaultCommands();
        }
 
        protected override void OnPropertyChanged(Object source, EventArgs e)
        { 
            if (IsLoading()) 
            {
                return; 
            }

            // This means there are no fields yet. Do nothing
            if (CurrentNode == null) 
            {
                return; 
            } 

            ((CommandTreeNode)CurrentNode).Text = _txtText.Text; 

            SetDirty();
            CurrentNode.Dirty = true;
        } 

        protected override void SaveComponent() 
        { 
            // Delegate to base implementation first!
            // This will properly close ListTreeNode editing mode. 
            base.SaveComponent();

            _objectList.DefaultCommand = _cmbDefaultCommand.Text;
 
            _objectList.Commands.Clear();
 
            foreach (CommandTreeNode commandNode in TreeList.TvList.Nodes) 
            {
                if (commandNode.Dirty) 
                {
                    commandNode.RuntimeCommand.Text = commandNode.Text;
                    commandNode.RuntimeCommand.Name = commandNode.Name;
                } 

                _objectList.Commands.AddAt(-1, commandNode.RuntimeCommand); 
            } 

            TypeDescriptor.Refresh(_objectList); 
        }

        protected override void UpdateControlsEnabling()
        { 
            TreeList.TvList.Enabled =
                _txtText.Enabled = (TreeList.TvList.SelectedNode != null); 
        } 

        ///  
        ///    Internal object used to store all command properties
        /// 
        [
            System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, 
            Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)
        ] 
        private class CommandTreeNode : ListTreeNode 
        {
            private ObjectListCommand   _runtimeCommand; 
            private String              _text;

            /// 
            ///  
            internal CommandTreeNode(String name) : this(name, new ObjectListCommand())
            { 
            } 

            ///  
            /// 
            internal CommandTreeNode(String name, ObjectListCommand runtimeCommand) : base(name)
            {
                Debug.Assert(name != null, "invalid name for ObjectListCommand"); 
                Debug.Assert(runtimeCommand != null, "null ObjectListCommand");
 
                this._runtimeCommand = runtimeCommand; 
                LoadAttributes();
            } 

            internal void LoadAttributes()
            {
                this._text = _runtimeCommand.Text; 
            }
 
            internal ObjectListCommand RuntimeCommand 
            {
                get 
                {
                    return _runtimeCommand;
                }
            } 

            internal new String Text 
            { 
                get
                { 
                    return _text;
                }

                set 
                {
                    _text = value; 
                } 
            }
        } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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ObjectListCommandsPage.cs source code in C# .NET

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