/tags/beta-1.0.2/Client/Settings/ErrorReportingPage.cs

//-----------------------------------------------------------------------

// <copyright>

// Copyright (C) Ruslan Yakushev for the PHP Manager for IIS project.

//

// This file is subject to the terms and conditions of the Microsoft Public License (MS-PL).

// See http://www.microsoft.com/opensource/licenses.mspx#Ms-PL for more details.

// </copyright>

//----------------------------------------------------------------------- 



using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Diagnostics;

using System.Windows.Forms;

using Microsoft.Web.Management.Client;

using Microsoft.Web.Management.Client.Win32;

using Web.Management.PHP.Config;



namespace Web.Management.PHP.Settings

{



    [ModulePageIdentifier(Globals.ErrorReportingPageIdentifier)]

    internal sealed class ErrorReportingPage : ModuleDialogPage, IModuleChildPage

    {



        enum ErrorReportingPreset { Undefined = 0, Development = 1, Production = 2 };



        private string _errorLogFile = String.Empty;

        private ErrorReportingPreset _errorReportingPreset = ErrorReportingPreset.Undefined;

        private bool _hasChanges;



        private readonly string[] SettingNames = {

            "error_reporting",

            "display_errors",

            "track_errors",

            "html_errors",

            "log_errors",

            "fastcgi.logging"

        };

        private readonly string[] SettingsDevValues = {

            "E_ALL | E_STRICT",

            "On",

            "On",

            "On",

            "On",

            "1"

        };

        private readonly string[] SettingsProdValues = {

            "E_ALL & ~E_DEPRECATED",

            "Off",

            "Off",

            "Off",

            "On",

            "0"

        };



        private Label _devMachineLabel;

        private Label _selectServerTypeLabel;

        private RadioButton _devMachineRadioButton;

        private RadioButton _prodMachineRadioButton;

        private Label _prodMachineLabel;

        private Label _errorLogFileLabel;

        private TextBox _errorLogFileTextBox;

        private Button _errorLogBrowseButton;

        private GroupBox _serverTypeGroupBox;



        private PageTaskList _taskList;

        private IModulePage _parentPage;



        protected override bool CanApplyChanges

        {

            get 

            {

                return _hasChanges && (_devMachineRadioButton.Checked || _prodMachineRadioButton.Checked);

            }

        }



        protected override bool HasChanges

        {

            get

            {

                return _hasChanges;

            }

        }



        internal bool IsReadOnly

        {

            get

            {

                return Connection.ConfigurationPath.PathType == Microsoft.Web.Management.Server.ConfigurationPathType.Site &&

                    !Connection.IsUserServerAdministrator;

            }

        }



        private new PHPModule Module

        {

            get

            {

                return (PHPModule)base.Module;

            }

        }



        public IModulePage ParentPage

        {

            get

            {

                return _parentPage;

            }

            set

            {

                _parentPage = value;

            }

        }



        protected override TaskListCollection Tasks

        {

            get

            {

                TaskListCollection tasks = base.Tasks;

                if (_taskList == null)

                {

                    _taskList = new PageTaskList(this);

                }



                tasks.Add(_taskList);



                return tasks;

            }

        }



        protected override bool ApplyChanges()

        {

            bool appliedChanges = false;



            string[] settingValues = null;



            Debug.Assert(_devMachineRadioButton.Checked || _prodMachineRadioButton.Checked);

            if (_devMachineRadioButton.Checked)

            {

                settingValues = SettingsDevValues;

            }

            else if (_prodMachineRadioButton.Checked)

            {

                settingValues = SettingsProdValues;

            }



            RemoteObjectCollection<PHPIniSetting> settings = new RemoteObjectCollection<PHPIniSetting>();

            for (int i = 0; i < settingValues.Length; i++)

            {

                settings.Add(new PHPIniSetting(SettingNames[i], settingValues[i], "PHP"));

            }



            try

            {

                Module.Proxy.AddOrUpdateSettings(settings);

                appliedChanges = true;

                

                // Update the values used for determining if changes have been made

                _errorLogFile = _errorLogFileTextBox.Text;

                if (_devMachineRadioButton.Checked)

                {

                    _errorReportingPreset = ErrorReportingPreset.Development;

                }

                else if (_prodMachineRadioButton.Checked)

                {

                    _errorReportingPreset = ErrorReportingPreset.Production;

                }

                _hasChanges = false;

            }

            catch (Exception ex)

            {

                DisplayErrorMessage(ex, Resources.ResourceManager);

            }

            finally

            {

                Update();

            }



            return appliedChanges;

        }



        protected override void CancelChanges()

        {

            if (_errorReportingPreset == ErrorReportingPreset.Development)

            {

                _devMachineRadioButton.Checked = true;

            }

            else if (_errorReportingPreset == ErrorReportingPreset.Production)

            {

                _prodMachineRadioButton.Checked = true;

            }

            else

            {

                _devMachineRadioButton.Checked = false;

                _prodMachineRadioButton.Checked = false;

            }



            _errorLogFileTextBox.Text = _errorLogFile;



            _hasChanges = false;

            Update();

        }



        private void GetSettings()

        {

            StartAsyncTask(Resources.AllSettingsPageGettingSettings, OnGetSettings, OnGetSettingsCompleted);

        }



        private void GoBack()

        {

            Navigate(typeof(PHPPage));

        }



        protected override void Initialize(object navigationData)

        {

            base.Initialize(navigationData);



            InitializeComponent();

            InitializeUI();



        }



        private void InitializeComponent()

        {

            this._serverTypeGroupBox = new System.Windows.Forms.GroupBox();

            this._prodMachineLabel = new System.Windows.Forms.Label();

            this._prodMachineRadioButton = new System.Windows.Forms.RadioButton();

            this._devMachineLabel = new System.Windows.Forms.Label();

            this._selectServerTypeLabel = new System.Windows.Forms.Label();

            this._devMachineRadioButton = new System.Windows.Forms.RadioButton();

            this._errorLogFileLabel = new System.Windows.Forms.Label();

            this._errorLogFileTextBox = new System.Windows.Forms.TextBox();

            this._errorLogBrowseButton = new System.Windows.Forms.Button();

            this._serverTypeGroupBox.SuspendLayout();

            this.SuspendLayout();

            // 

            // _serverTypeGroupBox

            // 

            this._serverTypeGroupBox.Controls.Add(this._prodMachineLabel);

            this._serverTypeGroupBox.Controls.Add(this._prodMachineRadioButton);

            this._serverTypeGroupBox.Controls.Add(this._devMachineLabel);

            this._serverTypeGroupBox.Controls.Add(this._selectServerTypeLabel);

            this._serverTypeGroupBox.Controls.Add(this._devMachineRadioButton);

            this._serverTypeGroupBox.Location = new System.Drawing.Point(4, 12);

            this._serverTypeGroupBox.Name = "_serverTypeGroupBox";

            this._serverTypeGroupBox.Size = new System.Drawing.Size(503, 222);

            this._serverTypeGroupBox.TabIndex = 0;

            this._serverTypeGroupBox.TabStop = false;

            this._serverTypeGroupBox.Text = Resources.ErrorReportingPageServerType;

            // 

            // _prodMachineLabel

            // 

            this._prodMachineLabel.Location = new System.Drawing.Point(37, 150);

            this._prodMachineLabel.Name = "_prodMachineLabel";

            this._prodMachineLabel.Size = new System.Drawing.Size(447, 48);

            this._prodMachineLabel.TabIndex = 4;

            this._prodMachineLabel.Text = Resources.ErrorReportingPageProdMachineDesc;

            // 

            // _prodMachineRadioButton

            // 

            this._prodMachineRadioButton.AutoSize = true;

            this._prodMachineRadioButton.Location = new System.Drawing.Point(20, 130);

            this._prodMachineRadioButton.Name = "_prodMachineRadioButton";

            this._prodMachineRadioButton.Size = new System.Drawing.Size(119, 17);

            this._prodMachineRadioButton.TabIndex = 3;

            this._prodMachineRadioButton.TabStop = true;

            this._prodMachineRadioButton.Text = Resources.ErrorReportingPageProdMachine;

            this._prodMachineRadioButton.UseVisualStyleBackColor = true;

            this._prodMachineRadioButton.CheckedChanged += new System.EventHandler(this.OnProdMachineRadioButtonCheckedChanged);

            // 

            // _devMachineLabel

            // 

            this._devMachineLabel.Location = new System.Drawing.Point(37, 75);

            this._devMachineLabel.Name = "_devMachineLabel";

            this._devMachineLabel.Size = new System.Drawing.Size(447, 46);

            this._devMachineLabel.TabIndex = 2;

            this._devMachineLabel.Text = Resources.ErrorReportingPageDevMachineDesc;

            // 

            // _selectServerTypeLabel

            // 

            this._selectServerTypeLabel.Location = new System.Drawing.Point(6, 20);

            this._selectServerTypeLabel.Name = "_selectServerTypeLabel";

            this._selectServerTypeLabel.Size = new System.Drawing.Size(458, 23);

            this._selectServerTypeLabel.TabIndex = 0;

            this._selectServerTypeLabel.Text = Resources.ErrorReportingPageSelectServerType;

            // 

            // _devMachineRadioButton

            // 

            this._devMachineRadioButton.AutoSize = true;

            this._devMachineRadioButton.Location = new System.Drawing.Point(20, 55);

            this._devMachineRadioButton.Name = "_devMachineRadioButton";

            this._devMachineRadioButton.Size = new System.Drawing.Size(131, 17);

            this._devMachineRadioButton.TabIndex = 1;

            this._devMachineRadioButton.TabStop = true;

            this._devMachineRadioButton.Text = Resources.ErrorReportingPageDevMachine;

            this._devMachineRadioButton.UseVisualStyleBackColor = true;

            this._devMachineRadioButton.CheckedChanged += new System.EventHandler(this.OnDevMachineRadioButtonCheckedChanged);

            // 

            // _errorLogFileLabel

            // 

            this._errorLogFileLabel.AutoSize = true;

            this._errorLogFileLabel.Location = new System.Drawing.Point(3, 253);

            this._errorLogFileLabel.Name = "_errorLogFileLabel";

            this._errorLogFileLabel.Size = new System.Drawing.Size(65, 13);

            this._errorLogFileLabel.TabIndex = 1;

            this._errorLogFileLabel.Text = Resources.ErrorReportingErrorLogFile;

            // 

            // _errorLogFileTextBox

            // 

            this._errorLogFileTextBox.Location = new System.Drawing.Point(7, 269);

            this._errorLogFileTextBox.Name = "_errorLogFileTextBox";

            this._errorLogFileTextBox.Size = new System.Drawing.Size(469, 20);

            this._errorLogFileTextBox.TabIndex = 2;

            this._errorLogFileTextBox.TextChanged += new System.EventHandler(this.OnErrorLogFileTextBoxTextChanged);

            // 

            // _errorLogBrowseButton

            // 

            this._errorLogBrowseButton.Location = new System.Drawing.Point(482, 267);

            this._errorLogBrowseButton.Name = "_errorLogBrowseButton";

            this._errorLogBrowseButton.Size = new System.Drawing.Size(25, 23);

            this._errorLogBrowseButton.TabIndex = 3;

            this._errorLogBrowseButton.Text = "...";

            this._errorLogBrowseButton.UseVisualStyleBackColor = true;

            this._errorLogBrowseButton.Click += new System.EventHandler(this.OnErrorLogBrowseButtonClick);

            // 

            // ErrorReportingPage

            // 

            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);

            this.AutoScroll = true;

            this.Controls.Add(this._errorLogBrowseButton);

            this.Controls.Add(this._errorLogFileTextBox);

            this.Controls.Add(this._errorLogFileLabel);

            this.Controls.Add(this._serverTypeGroupBox);

            this.Name = "ErrorReportingPage";

            this.Size = new System.Drawing.Size(510, 360);

            this._serverTypeGroupBox.ResumeLayout(false);

            this._serverTypeGroupBox.PerformLayout();

            this.ResumeLayout(false);

            this.PerformLayout();



        }



        private void InitializeUI()

        {

            if (this.IsReadOnly)

            {

                _devMachineRadioButton.Enabled = false;

                _devMachineLabel.Enabled = false;

                _prodMachineRadioButton.Enabled = false;

                _prodMachineLabel.Enabled = false;

                _errorLogFileTextBox.Enabled = false;

                _errorLogBrowseButton.Enabled = false;

            }



            // Only show the auto suggest if it is a local connection.

            // Otherwise do not show auto suggest and also hide the browse button.

            if (Connection.IsLocalConnection)

            {

                this._errorLogFileTextBox.AutoCompleteMode = System.Windows.Forms.AutoCompleteMode.Suggest;

                this._errorLogFileTextBox.AutoCompleteSource = System.Windows.Forms.AutoCompleteSource.FileSystem;

            }

            else

            {

                this._errorLogBrowseButton.Visible = false;

            }

        }



        protected override void OnActivated(bool initialActivation)

        {

            base.OnActivated(initialActivation);



            if (initialActivation)

            {

                GetSettings();

            }

        }



        private void OnDevMachineRadioButtonCheckedChanged(object sender, EventArgs e)

        {

            bool oldHasChanges = _hasChanges;

            if (_errorReportingPreset == ErrorReportingPreset.Development)

            {

                _hasChanges = !_devMachineRadioButton.Checked;

            }

            else

            {

                _hasChanges = _devMachineRadioButton.Checked;

            }

            if (oldHasChanges != _hasChanges)

            {

                Update();

            }

        }



        private void OnErrorLogBrowseButtonClick(object sender, EventArgs e)

        {

            using (SaveFileDialog dlg = new SaveFileDialog())

            {

                dlg.Title = Resources.ErrorLogSaveDialogTitle;

                dlg.InitialDirectory = Environment.ExpandEnvironmentVariables("%SystemDrive%");

                dlg.Filter = Resources.ErrorLogSaveDialogFilter;

                

                if (dlg.ShowDialog() == DialogResult.OK)

                {

                    _errorLogFileTextBox.Text = dlg.FileName;

                }

            }

        }



        private void OnErrorLogFileTextBoxTextChanged(object sender, EventArgs e)

        {

            if (!String.Equals(_errorLogFileTextBox.Text, _errorLogFile, StringComparison.OrdinalIgnoreCase))

            {

                _hasChanges = true;

                Update();

            }

        }



        private void OnGetSettings(object sender, DoWorkEventArgs e)

        {

            e.Result = Module.Proxy.GetPHPIniSettings();

        }



        private void OnGetSettingsCompleted(object sender, RunWorkerCompletedEventArgs e)

        {

            try

            {

                object o = e.Result;



                PHPIniFile file = new PHPIniFile();

                file.SetData(o);



                UpdateUI(file);

            }

            catch (Exception ex)

            {

                DisplayErrorMessage(ex, Resources.ResourceManager);

            }

        }



        private void OnProdMachineRadioButtonCheckedChanged(object sender, EventArgs e)

        {

            bool oldHasChanges = _hasChanges;

            if (_errorReportingPreset == ErrorReportingPreset.Production)

            {

                _hasChanges = !_prodMachineRadioButton.Checked;

            }

            else

            {

                _hasChanges = _prodMachineRadioButton.Checked;

            }

            if (oldHasChanges != _hasChanges)

            {

                Update();

            }

        }



        protected override bool ShowHelp()

        {

            return ShowOnlineHelp();

        }



        protected override bool ShowOnlineHelp()

        {

            return Helper.Browse(Globals.ErrorReportingOnlineHelp);

        }



        private void UpdateUI(PHPIniFile file)

        {

            PHPIniSetting setting = file.GetSetting(SettingNames[0]);

            string[] settingValues = null;



            if (setting != null)

            {

                if (String.Equals(setting.Value, SettingsDevValues[0]))

                {

                    _errorReportingPreset = ErrorReportingPreset.Development;

                    settingValues = SettingsDevValues;

                }

                else if (String.Equals(setting.Value, SettingsProdValues[0]))

                {

                    _errorReportingPreset = ErrorReportingPreset.Production;

                    settingValues = SettingsProdValues;

                }



                int i = 1;

                while (_errorReportingPreset != ErrorReportingPreset.Undefined && i < SettingNames.Length)

                {

                    setting = file.GetSetting(SettingNames[i]);

                    if (setting == null || !String.Equals(setting.Value, settingValues[i]))

                    {

                        _errorReportingPreset = ErrorReportingPreset.Undefined;

                    }

                    i = i + 1;

                }

            }



            if (_errorReportingPreset == ErrorReportingPreset.Development)

            {

                _devMachineRadioButton.Checked = true;

            }

            else if (_errorReportingPreset == ErrorReportingPreset.Production)

            {

                _prodMachineRadioButton.Checked = true;

            }



            setting = file.GetSetting("error_log");

            if (setting != null)

            {

                _errorLogFile = setting.Value;

                _errorLogFileTextBox.Text = setting.Value;

            }

        }



        private class PageTaskList : TaskList

        {

            private ErrorReportingPage _page;



            public PageTaskList(ErrorReportingPage page)

            {

                _page = page;

            }



            public override System.Collections.ICollection GetTaskItems()

            {

                List<TaskItem> tasks = new List<TaskItem>();



                if (_page.IsReadOnly)

                {

                    tasks.Add(new MessageTaskItem(MessageTaskItemType.Information, Resources.AllPagesPageIsReadOnly, "Information"));

                }



                tasks.Add(new MethodTaskItem("GoBack", Resources.AllPagesGoBackTask, "Tasks", null, Resources.GoBack16));



                return tasks;

            }



            public void GoBack()

            {

                _page.GoBack();

            }

        }



    }



}