zaaReloaded2/zaaReloaded2/ThisAddIn.cs

/* thisaddin.cs
 * part of zaaReloaded2
 * 
 * Copyright 2015 Daniel Kraus
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using System.IO;
using Word = Microsoft.Office.Interop.Word;
using Office = Microsoft.Office.Core;
using Microsoft.Office.Tools.Word;
using Bovender.Versioning;
using Bovender.Mvvm.Messaging;
using zaaReloaded2.ExceptionHandler;
using System.Windows;
using System.Windows.Input;
using System.Windows.Controls;
using System.Windows.Media;

namespace zaaReloaded2
{
    public partial class ThisAddIn
    {
        /// <summary>
        /// Gets the subdirectory for addin data in the user profile directory.
        /// </summary>
        public static string Subdir
        {
            get
            {
                return Path.Combine(
                    Environment.GetFolderPath(Environment.SpecialFolder.UserProfile),
                    "zaaReloaded2");
            }
        }

        private void ThisAddIn_Startup(object sender, System.EventArgs e)
        {
            Bovender.ExceptionHandler.CentralHandler.ManageExceptionCallback += CentralHandler_ManageExceptionCallback;
            RegisterTextBoxSelectAll();
            CheckForUpdates();
            _oldCaption = Globals.ThisAddIn.Application.Caption;
            Globals.ThisAddIn.Application.Caption = 
                String.Format(
                    "{0} ({1} {2})", 
                    _oldCaption,
                    Properties.Settings.Default.AddinName,
                    Updater.Version.CurrentVersion().ToString()
                );
        }

        private void ThisAddIn_Shutdown(object sender, System.EventArgs e)
        {
            if (_updaterVM != null && _updaterVM.IsUpdatePending)
            {
                if (_updaterVM.InstallUpdateCommand.CanExecute(null))
                    _updaterVM.InstallUpdateCommand.Execute(null);
            }
            try
            {
                Globals.ThisAddIn.Application.Caption = _oldCaption;
            }
            catch { }
        }

        #region Properties

        public Ribbon Ribbon
        {
            get
            {
                if (_ribbon == null)
                {
                    _ribbon = new Ribbon();
                }
                return _ribbon;
            }
        }

        #endregion

        #region Ribbon

        protected override Microsoft.Office.Core.IRibbonExtensibility CreateRibbonExtensibilityObject()
        {
            return Ribbon;
        }

        #endregion

        #region Updater

        void CheckForUpdates()
        {
            if (DateTime.Today == Properties.Settings.Default.LastUpdateCheck.Date)
                return;

            Properties.Settings.Default.LastUpdateCheck = DateTime.Today;
            Properties.Settings.Default.Save();

            _updaterVM = new UpdaterViewModel(new Updater.Updater());
            if (!_updaterVM.CanCheckForUpdate) return;

            _updaterVM.UpdateAvailableMessage.Sent += UpdateAvailableMessage_Sent;
            _updaterVM.CheckForUpdateCommand.Execute(null);
        }

        void UpdateAvailableMessage_Sent(object sender, MessageArgs<ViewModelMessageContent> e)
        {
            UpdaterViewModel uvm = e.Content.ViewModel as UpdaterViewModel;
            uvm.DestinationFolder = System.IO.Path.GetTempPath();
            uvm.DownloadUpdateCommand.Execute(null);
        }

        #endregion

        #region Exception handler

        void CentralHandler_ManageExceptionCallback(object sender, Bovender.ExceptionHandler.ManageExceptionEventArgs e)
        {
            e.IsHandled = true;
            ExceptionViewModel vm = new ExceptionViewModel(e.Exception);
            vm.InjectInto<ExceptionView>().ShowDialog();
        }
        
        #endregion

        #region Private fields

        Ribbon _ribbon;
        UpdaterViewModel _updaterVM;
        string _oldCaption;

        #endregion

        #region VSTO generated code

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InternalStartup()
        {
            this.Startup += new System.EventHandler(ThisAddIn_Startup);
            this.Shutdown += new System.EventHandler(ThisAddIn_Shutdown);
        }
        
        #endregion

        void RegisterTextBoxSelectAll()
        {
            // Select the text in a TextBox when it receives focus.
            EventManager.RegisterClassHandler(typeof(TextBox), TextBox.PreviewMouseLeftButtonDownEvent,
                new MouseButtonEventHandler(SelectivelyIgnoreMouseButton));
            EventManager.RegisterClassHandler(typeof(TextBox), TextBox.GotKeyboardFocusEvent,
                new RoutedEventHandler(SelectAllText));
            EventManager.RegisterClassHandler(typeof(TextBox), TextBox.MouseDoubleClickEvent,
                new RoutedEventHandler(SelectAllText));
        }

        void SelectivelyIgnoreMouseButton(object sender, MouseButtonEventArgs e)
        {
            // Find the TextBox
            DependencyObject parent = e.OriginalSource as UIElement;
            while (parent != null && !(parent is TextBox))
                parent = VisualTreeHelper.GetParent(parent);

            if (parent != null)
            {
                var textBox = (TextBox)parent;
                if (!textBox.IsKeyboardFocusWithin)
                {
                    // If the text box is not yet focused, give it the focus and
                    // stop further processing of this click event.
                    textBox.Focus();
                    e.Handled = true;
                }
            }
        }

        void SelectAllText(object sender, RoutedEventArgs e)
        {
            var textBox = e.OriginalSource as TextBox;
            if (textBox != null)
                textBox.SelectAll();
        }
    }
}