Fix #4316: add text editor interfaces.
This commit is contained in:
Ben
@ -1,6 +1,9 @@
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@using System.Text.RegularExpressions
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@using Microsoft.AspNetCore.Components.Rendering
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@using Microsoft.Extensions.DependencyInjection
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@namespace Oqtane.Modules.Controls
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@inherits ModuleControlBase
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@inject IServiceProvider ServiceProvider
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@inject ISettingService SettingService
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@inject IStringLocalizer<RichTextEditor> Localizer
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@ -10,62 +13,7 @@
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@if (AllowRichText)
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{
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<TabPanel Name="Rich" Heading="Rich Text Editor" ResourceKey="RichTextEditor">
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@if (_richfilemanager)
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{
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<FileManager @ref="_fileManager" Filter="@PageState.Site.ImageFiles" />
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<ModuleMessage Message="@_message" Type="MessageType.Warning"></ModuleMessage>
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<br />
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}
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<div class="d-flex justify-content-center mb-2">
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@if (AllowFileManagement)
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{
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<button type="button" class="btn btn-primary" @onclick="InsertRichImage">@Localizer["InsertImage"]</button>
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}
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@if (_richfilemanager)
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{
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@((MarkupString)" ")
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<button type="button" class="btn btn-secondary" @onclick="CloseRichFileManager">@Localizer["Close"]</button>
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}
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</div>
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<div class="row">
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<div class="col">
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<div @ref="@_toolBar">
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@if (ToolbarContent != null)
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{
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@ToolbarContent
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}
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else
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{
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<select class="ql-header">
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<option selected=""></option>
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<option value="1"></option>
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<option value="2"></option>
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<option value="3"></option>
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<option value="4"></option>
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<option value="5"></option>
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</select>
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<span class="ql-formats">
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<button class="ql-bold"></button>
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<button class="ql-italic"></button>
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<button class="ql-underline"></button>
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<button class="ql-strike"></button>
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</span>
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<span class="ql-formats">
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<select class="ql-color"></select>
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<select class="ql-background"></select>
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</span>
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<span class="ql-formats">
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<button class="ql-list" value="ordered"></button>
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<button class="ql-list" value="bullet"></button>
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</span>
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<span class="ql-formats">
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<button class="ql-link"></button>
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</span>
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}
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</div>
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<div @ref="@_editorElement"></div>
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</div>
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</div>
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@_textEditorComponent
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</TabPanel>
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}
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@if (AllowRawHtml)
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@ -103,26 +51,18 @@
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</div>
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@code {
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private bool _initialized = false;
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private RichTextEditorInterop interop;
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private FileManager _fileManager;
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private string _activetab = "Rich";
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private ElementReference _editorElement;
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private ElementReference _toolBar;
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private bool _richfilemanager = false;
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private string _richhtml = string.Empty;
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private string _originalrichhtml = string.Empty;
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private bool _rawfilemanager = false;
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private FileManager _fileManager;
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private string _message = string.Empty;
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private string _rawhtmlid = "RawHtmlEditor_" + Guid.NewGuid().ToString("N");
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private string _rawhtml = string.Empty;
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private string _originalrawhtml = string.Empty;
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private string _message = string.Empty;
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private bool _contentchanged = false;
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private int _editorIndex;
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private ITextEditorProvider _textEditorProvider;
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private RenderFragment _textEditorComponent;
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private ITextEditor _textEditor;
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[Parameter]
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public string Content { get; set; }
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@ -152,96 +92,47 @@
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[Parameter]
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public string DebugLevel { get; set; } = "info";
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public override List<Resource> Resources => new List<Resource>()
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{
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new Resource { ResourceType = ResourceType.Script, Bundle = "Quill", Url = "js/quill.min.js", Location = ResourceLocation.Body },
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new Resource { ResourceType = ResourceType.Script, Bundle = "Quill", Url = "js/quill-blot-formatter.min.js", Location = ResourceLocation.Body },
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new Resource { ResourceType = ResourceType.Script, Bundle = "Quill", Url = "js/quill-interop.js", Location = ResourceLocation.Body }
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};
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public override List<Resource> Resources { get; set; } = new List<Resource>();
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protected override void OnInitialized()
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protected override async Task OnInitializedAsync()
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{
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interop = new RichTextEditorInterop(JSRuntime);
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if (string.IsNullOrEmpty(Placeholder))
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{
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Placeholder = Localizer["Placeholder"];
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}
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if(AllowRichText)
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{
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_textEditorProvider = await GetTextEditorProvider();
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}
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}
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protected override void OnParametersSet()
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{
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_richhtml = Content;
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_rawhtml = Content;
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_originalrawhtml = _rawhtml; // preserve for comparison later
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_originalrichhtml = "";
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if (Content != _originalrawhtml)
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{
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_contentchanged = true; // identifies when Content parameter has changed
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}
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if (!AllowRichText)
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{
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_activetab = "Raw";
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}
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_textEditorComponent = (builder) =>
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{
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CreateTextEditor(builder);
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};
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}
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protected override async Task OnAfterRenderAsync(bool firstRender)
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{
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await base.OnAfterRenderAsync(firstRender);
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if (AllowRichText)
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if(_textEditor != null)
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{
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if (firstRender)
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{
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await interop.CreateEditor(
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_editorElement,
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_toolBar,
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ReadOnly,
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Placeholder,
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Theme,
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DebugLevel);
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await interop.LoadEditorContent(_editorElement, _richhtml);
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// preserve a copy of the content (Quill sanitizes content so we need to retrieve it from the editor as it may have been modified)
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_originalrichhtml = await interop.GetHtml(_editorElement);
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_initialized = true;
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}
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else
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{
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if (_initialized)
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{
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if (_contentchanged)
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{
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// reload editor if Content passed to component has changed
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await interop.LoadEditorContent(_editorElement, _richhtml);
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_originalrichhtml = await interop.GetHtml(_editorElement);
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}
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else
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{
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// preserve changed content on re-render event
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var richhtml = await interop.GetHtml(_editorElement);
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if (richhtml != _richhtml)
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{
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_richhtml = richhtml;
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await interop.LoadEditorContent(_editorElement, _richhtml);
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}
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}
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}
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}
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_contentchanged = false;
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_textEditor.Initialize(Content, Content != _originalrawhtml);
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}
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await base.OnAfterRenderAsync(firstRender);
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}
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public void CloseRichFileManager()
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{
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_richfilemanager = false;
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_message = string.Empty;
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StateHasChanged();
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}
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public void CloseRawFileManager()
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{
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@ -259,78 +150,101 @@
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}
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else
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{
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var richhtml = "";
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if (AllowRichText)
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var richhtml = string.Empty;
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if (AllowRichText && _textEditor != null)
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{
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richhtml = await interop.GetHtml(_editorElement);
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richhtml = await _textEditor.GetContent();
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}
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if (richhtml != _originalrichhtml && !string.IsNullOrEmpty(richhtml))
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return richhtml != null ? richhtml : _originalrawhtml;
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}
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}
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public async Task InsertRawImage()
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{
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_message = string.Empty;
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if (_rawfilemanager)
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{
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var file = _fileManager.GetFile();
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if (file != null)
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{
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// convert Quill's empty content to empty string
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if (richhtml == "<p><br></p>")
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{
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richhtml = string.Empty;
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}
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return richhtml;
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var interop = new Interop(JSRuntime);
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int pos = await interop.GetCaretPosition(_rawhtmlid);
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var image = "<img src=\"" + file.Url + "\" alt=\"" + ((!string.IsNullOrEmpty(file.Description)) ? file.Description : file.Name) + "\" class=\"img-fluid\">";
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_rawhtml = _rawhtml.Substring(0, pos) + image + _rawhtml.Substring(pos);
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_rawfilemanager = false;
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}
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else
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{
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// return original raw html content
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return _originalrawhtml;
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_message = Localizer["Message.Require.Image"];
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}
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}
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else
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{
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_rawfilemanager = true;
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}
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StateHasChanged();
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}
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private void CreateTextEditor(RenderTreeBuilder builder)
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{
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if(_textEditorProvider != null)
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{
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var editorType = Type.GetType(_textEditorProvider.EditorType);
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if (editorType != null)
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{
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builder.OpenComponent(0, editorType);
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//set editor parameters if available.
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var attributes = new Dictionary<string, object>
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{
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{ "AllowFileManagement", AllowFileManagement },
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{ "ReadOnly", ReadOnly },
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{ "Placeholder", Placeholder },
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{ "Theme", Theme },
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{ "DebugLevel", DebugLevel },
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{ "ToolbarContent", ToolbarContent }
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};
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var index = 1;
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foreach(var name in attributes.Keys)
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{
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if (editorType.GetProperty(name) != null)
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{
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builder.AddAttribute(index++, name, attributes[name]);
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}
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}
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builder.AddComponentReferenceCapture(index, (c) =>
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{
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_textEditor = (ITextEditor)c;
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});
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builder.CloseComponent();
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}
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}
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}
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public async Task InsertRichImage()
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private async Task<ITextEditorProvider> GetTextEditorProvider()
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{
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_message = string.Empty;
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if (_richfilemanager)
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{
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var file = _fileManager.GetFile();
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if (file != null)
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{
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await interop.InsertImage(_editorElement, file.Url, ((!string.IsNullOrEmpty(file.Description)) ? file.Description : file.Name), _editorIndex);
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_richhtml = await interop.GetHtml(_editorElement);
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_richfilemanager = false;
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}
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else
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{
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_message = Localizer["Message.Require.Image"];
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}
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}
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else
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{
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_editorIndex = await interop.GetCurrentCursor(_editorElement);
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_richfilemanager = true;
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}
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StateHasChanged();
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}
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const string DefaultEditorName = "Quill";
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public async Task InsertRawImage()
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{
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_message = string.Empty;
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if (_rawfilemanager)
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{
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var file = _fileManager.GetFile();
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if (file != null)
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{
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var interop = new Interop(JSRuntime);
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int pos = await interop.GetCaretPosition(_rawhtmlid);
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var image = "<img src=\"" + file.Url + "\" alt=\"" + ((!string.IsNullOrEmpty(file.Description)) ? file.Description : file.Name) + "\" class=\"img-fluid\">";
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_rawhtml = _rawhtml.Substring(0, pos) + image + _rawhtml.Substring(pos);
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_rawfilemanager = false;
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}
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else
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{
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_message = Localizer["Message.Require.Image"];
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}
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}
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else
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{
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_rawfilemanager = true;
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}
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StateHasChanged();
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}
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var editorName = await GetTextEditorName(DefaultEditorName);
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var editorProviders = ServiceProvider.GetServices<ITextEditorProvider>();
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var editorProvider = editorProviders.FirstOrDefault(i => i.Name == editorName);
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if(editorProvider == null)
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{
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editorProvider = editorProviders.FirstOrDefault(i => i.Name == DefaultEditorName);
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}
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return editorProvider;
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}
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private async Task<string> GetTextEditorName(string defaultName)
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{
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const string EditorSettingName = "TextEditor";
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var settings = await SettingService.GetSiteSettingsAsync(PageState.Site.SiteId);
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return SettingService.GetSetting(settings, EditorSettingName, defaultName);
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}
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}
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