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The TelerikEditor demos all show bind-Value being used to marshal HTML in and out of the editor:
<TelerikEditor @bind-Value="@TheEditorValue" Width="650px" Height="400px"></TelerikEditor>However, this causes problems - the underlying ProseMirror component emits it's own HTML (e.g. for image drag handles), which is visible in the bound Value property.
We need to be able to export "clean" HTML from the viewer, otherwise we end up saving this superflous HTML as part of our document.
Code
This REPL shows the issue:
https://blazorrepl.telerik.com/mHODmObJ36vZ7ivR09
@page "/editor/tools"
@using Telerik.Blazor.Components.Editor
<TelerikEditor Tools="@EditorToolSets.All"
Height="300px"
@bind-Value="@Value"
EditMode="EditorEditMode.Div"
></TelerikEditor>
<pre style="white-space: pre-wrap;">@Value</pre>
@code {
public string Value { get; set; } =
"<img src=\"img/toolbar-assets/repl-logo.svg\" />";
}Steps to Reproduce
1. Open the REPL and click "Run" - observe that the bound HTML is simply
<img src="img/toolbar-assets/repl-logo.svg" />2. Click on the Telerik logo image inside the editor - observe that the bound HTML is now
<p><img src="img/toolbar-assets/repl-logo.svg" contenteditable="false" draggable="true" class="ProseMirror-selectednode"><div class="k-editor-resize-handles-wrapper ProseMirror-widget" style="width: 857px; height: 78px; top: 8px; left: 8px;" contenteditable="false"><div class="k-editor-resize-handle southeast" data-dir-image-resize="southeast"></div><div class="k-editor-resize-handle east" data-dir-image-resize="east"></div><div class="k-editor-resize-handle south" data-dir-image-resize="south"></div><div class="k-editor-resize-handle north" data-dir-image-resize="north"></div><div class="k-editor-resize-handle west" data-dir-image-resize="west"></div><div class="k-editor-resize-handle southwest" data-dir-image-resize="southwest"></div><div class="k-editor-resize-handle northwest" data-dir-image-resize="northwest"></div><div class="k-editor-resize-handle northeast" data-dir-image-resize="northeast"></div></div><br class="ProseMirror-trailingBreak"></p>
3. Deselect the image - observe that the bound HTML no longer contains the image handles etc, but is still more verbose than when we started
<p><img src="img/toolbar-assets/repl-logo.svg" contenteditable="false" draggable="true" class=""><br class="ProseMirror-trailingBreak"></p>
4. At any point during the above steps, click the "View HTML" button in the Editor toolbar - observe that it is able to present a "clean" structure which contains no ProseMirror markup etc.
Requirements
How do we access this HTML via the TelerikEditor Blazor APIs?