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https://github.com/VitalickS/BrightSharp.Toolkit.git
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Ok, Just Do It!
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Vitaliy
282
BrightSharp.Toolkit.Extra/CKEditor.xaml.cs
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282
BrightSharp.Toolkit.Extra/CKEditor.xaml.cs
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using System;
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using System.ComponentModel;
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using System.Diagnostics.CodeAnalysis;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Threading;
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using System.Web.Script.Serialization;
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using System.Windows;
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using System.Windows.Forms.Integration;
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using System.Windows.Threading;
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using CefSharp;
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using CefSharp.WinForms;
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namespace BrightSharp.Toolkit.Extra
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{
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public partial class CKEditor
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{
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internal ChromiumWebBrowser Browser;
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private CKEditorObjectForScripting _objectForScripting;
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public static void InitializeCef(bool useCache = true, bool reinit = false)
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{
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Dispatcher.CurrentDispatcher.ShutdownStarted += (s, e) => Cef.Shutdown();
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if (!reinit && Cef.IsInitialized) return;
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CefSettings settings;
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if (useCache)
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{
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var cacheDir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
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"cefCache");
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Directory.CreateDirectory(cacheDir);
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settings = new CefSettings
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{
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CachePath = cacheDir
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};
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}
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else
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{
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settings = new CefSettings();
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}
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settings.RegisterScheme(new CefCustomScheme
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{
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SchemeName = "local",
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SchemeHandlerFactory = new FolderSchemeHandlerFactory(Environment.CurrentDirectory)
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});
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Cef.Initialize(settings);
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}
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private static void InitializeDesignTimeDirectory()
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{
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if (DesignerProperties.GetIsInDesignMode(new DependencyObject()))
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{
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Environment.CurrentDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
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var nugetPackages = DesignTimeConfig.GetNugetPackagesDirectory();
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if (!Directory.Exists(nugetPackages)) return;
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var prefix = IntPtr.Size == 4 ? "x86" : "x64";
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var allDirectoriesToCopy = Directory.GetDirectories(nugetPackages, "cef.redist.*")
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.Union(Directory.GetDirectories(nugetPackages, "CefSharp.*"))
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.SelectMany(d => Directory.GetDirectories(d, prefix, SearchOption.AllDirectories));
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foreach (var dirForCopy in allDirectoriesToCopy)
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{
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foreach (var file in Directory.GetFiles(dirForCopy))
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{
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try { File.Copy(file, Path.Combine(Environment.CurrentDirectory, Path.GetFileName(file)), false); }
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catch (Exception) { }
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}
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foreach (var file in Directory.GetFiles(Directory.GetParent(dirForCopy).FullName))
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{
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try { File.Copy(file, Path.Combine(Environment.CurrentDirectory, Path.GetFileName(file)), false); }
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catch (Exception) { }
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}
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}
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}
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}
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static CKEditor()
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{
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InitializeDesignTimeDirectory();
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if (!File.Exists("CefSharp.Core.dll"))
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return;
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InitializeCef();
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}
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public CKEditor()
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{
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InitializeComponent();
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}
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public override void OnApplyTemplate()
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{
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if (!File.Exists("CefSharp.dll"))
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return;
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var host = (WindowsFormsHost)Template.FindName("PART_Host", this);
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host.Child = Browser = new ChromiumWebBrowser("about:blank");
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_objectForScripting = new CKEditorObjectForScripting(this);
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Browser.KeyboardHandler = new FixKeyboardHandler();
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Browser.IsBrowserInitializedChanged += (s, e) =>
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{
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if (e.IsBrowserInitialized)
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RefreshState();
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};
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base.OnApplyTemplate();
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}
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public void RefreshState()
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{
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if (Browser != null && Browser.IsBrowserInitialized)
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{
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Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() =>
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{
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var docContent = BuildDocContent();
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Browser.LoadString(docContent, "about:blank");
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}));
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UpdateDevToolsState();
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}
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}
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protected override void OnContentChanged(object oldContent, object newContent)
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{
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if (Browser != null && _objectForScripting != null && (string)newContent != _objectForScripting.NewData)
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{
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//This is not from js
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Browser.EvaluateScriptAsync($"setData(`{newContent}`)").Wait(TimeSpan.FromSeconds(2));
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}
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base.OnContentChanged(oldContent, newContent);
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}
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public string PackageType
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{
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get { return (string)GetValue(PackageTypeProperty); }
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set { SetValue(PackageTypeProperty, value); }
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}
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public static readonly DependencyProperty PackageTypeProperty =
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DependencyProperty.Register("PackageType", typeof(string), typeof(CKEditor), new PropertyMetadata("standard", UpdatePackageType));
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private static void UpdatePackageType(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var editor = (CKEditor)d;
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editor.RefreshState();
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}
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public bool ShowDevTools
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{
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get { return (bool)GetValue(ShowDevToolsProperty); }
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set { SetValue(ShowDevToolsProperty, value); }
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}
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public static readonly DependencyProperty ShowDevToolsProperty =
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DependencyProperty.Register("ShowDevTools", typeof(bool), typeof(CKEditor), new PropertyMetadata(false, ShowDevToolsChanged));
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private static void ShowDevToolsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var editor = (CKEditor)d;
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editor.UpdateDevToolsState();
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}
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private void UpdateDevToolsState()
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{
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if (Browser != null && Browser.IsBrowserInitialized)
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{
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Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() =>
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{
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if (ShowDevTools)
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Browser.ShowDevTools();
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else
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Browser.CloseDevTools();
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}));
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}
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}
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private string BuildDocContent()
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{
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var docContent = Properties.Resources.HtmlEditor;
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if (EditorConfiguration != null)
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{
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EditorConfiguration.Optimize(PackageType);
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docContent = docContent.Replace("$$CONFIG",
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new JavaScriptSerializer().Serialize(EditorConfiguration));
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docContent = docContent.Replace("$$PACKAGE", PackageType);
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}
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docContent = docContent.Replace("$$CONTENT", (Content ?? "").ToString());
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return docContent;
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}
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public CKEditorConfig EditorConfiguration
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{
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get { return (CKEditorConfig)GetValue(EditorConfigurationProperty); }
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set { SetValue(EditorConfigurationProperty, value); }
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}
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public static readonly DependencyProperty EditorConfigurationProperty =
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DependencyProperty.Register("EditorConfiguration", typeof(CKEditorConfig), typeof(CKEditor), new PropertyMetadata(new CKEditorConfig()));
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}
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[SuppressMessage("ReSharper", "InconsistentNaming")]
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public class CKEditorConfig
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{
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public string[] contentsCss { get; set; }
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public string language { get; set; } = Thread.CurrentThread.CurrentUICulture.Name;
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public string removeButtons { get; set; } =
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"Save,Print,Preview,Maximize,ShowBlocks,Paste,PasteText,PasteFromWord";
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public string extraAllowedContent { get; set; } = "span;ul;li;table;td;style;*[id];*(*);*{*}";
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public string removePlugins { get; set; } = "resize";
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public void Optimize(string packageType)
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{
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if (string.Equals("basic", packageType, StringComparison.InvariantCultureIgnoreCase))
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{
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//TODO Basic configuration has many problems.
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//TODO Need think do we need it, or can we use Standard package as Basic to emulate Basic (from CKE) ?
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}
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}
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}
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internal class CKEditorObjectForScripting
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{
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private CKEditor _editor;
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internal string NewData;
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public CKEditorObjectForScripting(CKEditor editor)
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{
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_editor = editor;
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_editor.Browser.RegisterJsObject("$$OBJ", this);
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}
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[SuppressMessage("ReSharper", "UnusedMember.Global")]
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public void SetupContent(string newData)
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{
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NewData = newData;
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_editor.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() => _editor.Content = NewData));
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}
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}
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public class CKEditorDesignTimeSettings
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{
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public static string DesignTimeCefBinariesDirectory { get; set; }
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}
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class FixKeyboardHandler : IKeyboardHandler
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{
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public bool OnPreKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode,
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CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut)
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{
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//F10, Alt
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if (windowsKeyCode == 0x79 || windowsKeyCode == 0x12)
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{
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return true;
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}
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return false;
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}
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public bool OnKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode,
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CefEventFlags modifiers, bool isSystemKey)
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{
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if (windowsKeyCode == 0x79 || windowsKeyCode == 0x12)
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{
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return true;
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}
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return false;
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}
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}
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}
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