Fix #4358: RichTextEditor Provider Abstraction.
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Ben
384
Oqtane.Client/Modules/Controls/QuillJSTextEditor.razor
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384
Oqtane.Client/Modules/Controls/QuillJSTextEditor.razor
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@namespace Oqtane.Modules.Controls
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@inherits ModuleControlBase
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@implements ITextEditor
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@inject ISettingService SettingService
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@inject IStringLocalizer<QuillJSTextEditor> Localizer
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<div class="quill-text-editor">
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<TabStrip ActiveTab="@_activetab">
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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 (!string.IsNullOrEmpty(_toolbarContent))
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{
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@((MarkupString)_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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</TabPanel>
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}
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@if (_allowRawHtml)
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{
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<TabPanel Name="Raw" Heading="Raw HTML Editor" ResourceKey="HtmlEditor">
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@if (_rawfilemanager)
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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="InsertRawImage">@Localizer["InsertImage"]</button>
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}
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@if (_rawfilemanager)
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{
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@((MarkupString)" ")
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<button type="button" class="btn btn-secondary" @onclick="CloseRawFileManager">@Localizer["Close"]</button>
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}
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</div>
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@if (ReadOnly)
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{
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<textarea id="@_rawhtmlid" class="form-control" placeholder="@Placeholder" @bind="@_rawhtml" rows="10" readonly></textarea>
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}
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else
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{
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<textarea id="@_rawhtmlid" class="form-control" placeholder="@Placeholder" @bind="@_rawhtml" rows="10"></textarea>
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}
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</TabPanel>
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}
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</TabStrip>
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</div>
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@code {
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private bool _initialized = false;
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private QuillEditorInterop interop;
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private FileManager _fileManager;
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private string _activetab = "Rich";
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private bool _allowFileManagement = false;
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private bool _allowRawHtml = false;
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private bool _allowRichText = false;
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private string _theme = "snow";
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private string _debugLevel = "info";
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private string _toolbarContent = string.Empty;
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private bool _settingsLoaded;
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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 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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[Parameter]
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public bool ReadOnly { get; set; }
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[Parameter]
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public string Placeholder { get; set; }
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public override List<Resource> Resources { get; set; } = 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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new Resource { ResourceType = ResourceType.Stylesheet, Url = "css/quill/quill.bubble.css" },
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new Resource { ResourceType = ResourceType.Stylesheet, Url = "css/quill/quill.snow.css" }
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};
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protected override async Task OnInitializedAsync()
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{
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interop = new QuillEditorInterop(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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await LoadSettings();
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}
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protected override void OnParametersSet()
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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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}
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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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{
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if (_settingsLoaded && !_initialized)
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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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_contentchanged = false;
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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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}
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}
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public void Initialize(string content)
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{
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_richhtml = content;
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_rawhtml = content;
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_originalrichhtml = "";
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_richhtml = content;
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if (!_contentchanged)
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{
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_contentchanged = content != _originalrawhtml;
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}
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_originalrawhtml = _rawhtml; // preserve for comparison later
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StateHasChanged();
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}
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public async Task<string> GetContent()
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{
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// evaluate raw html content as first priority
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if (_rawhtml != _originalrawhtml)
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{
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return _rawhtml;
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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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{
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richhtml = await interop.GetHtml(_editorElement);
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}
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if (richhtml != _originalrichhtml && !string.IsNullOrEmpty(richhtml))
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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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}
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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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}
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}
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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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_rawfilemanager = false;
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_message = string.Empty;
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StateHasChanged();
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}
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public async Task<string> GetHtml()
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{
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// evaluate raw html content as first priority
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if (_rawhtml != _originalrawhtml)
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{
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return _rawhtml;
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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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{
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richhtml = await interop.GetHtml(_editorElement);
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}
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if (richhtml != _originalrichhtml && !string.IsNullOrEmpty(richhtml))
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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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}
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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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}
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}
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}
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public async Task InsertRichImage()
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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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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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private async Task LoadSettings()
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{
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try
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{
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var settings = await SettingService.GetSiteSettingsAsync(PageState.Site.SiteId);
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_allowFileManagement = SettingService.GetSetting(settings, "QuillTextEditor_AllowFileManagement", "true") == "true";
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_allowRawHtml = SettingService.GetSetting(settings, "QuillTextEditor_AllowRawHtml", "true") == "true";
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_allowRichText = SettingService.GetSetting(settings, "QuillTextEditor_AllowRichText", "true") == "true";
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_theme = SettingService.GetSetting(settings, "QuillTextEditor_Theme", "snow");
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_debugLevel = SettingService.GetSetting(settings, "QuillTextEditor_DebugLevel", "info");
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_toolbarContent = SettingService.GetSetting(settings, "QuillTextEditor_ToolbarContent", string.Empty);
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_settingsLoaded = true;
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}
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catch (Exception ex)
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{
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AddModuleMessage(ex.Message, MessageType.Error);
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}
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}
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}
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