这是我尝试生成的一些示例HTML:
<div>
<input type="checkbox" id="checkbox_1" name="checkbox_1" />
<label for="checkbox_1"></label>
</div>
这是我的垂头丧气的转换器:
conversion.for( 'downcast' ).elementToElement( {
model: 'checkbox',
view: ( modelElement, viewWriter ) => {
const div = viewWriter.createContainerElement( 'div', {} );
const input = viewWriter.createEmptyElement( 'input', {'type': 'checkbox'} );
const label = viewWriter.createEditableElement( 'label', {} );
viewWriter.insert( viewWriter.createPositionAt( div, 0 ), input );
viewWriter.insert( viewWriter.createPositionAt( div, 1 ), label );
return toWidgetEditable( div, viewWriter );
}
} );
在CKEditor 5检查器中,我可以看到视图是这样呈现的:
<div contenteditable="true" class="ck-editor__editable ck-editor__nested-editable">
<input type="checkbox" />
<label>
</label>
</div>
在编辑器中,我无法将文本添加到标签或周围的div。
如果将div
声明从createContainerElement
更改为createEditableElement
,则可以在div中插入文本,但仍然无法编辑标签。
如何设置转换器,以便在<input>
上贴上可编辑的标签?我尝试查看todolist
中的ckeditor5-list
代码,但它根本不使用conversion.for
或elementToElement
,所以我有点迷路。
toWidget()
用作toWidgetEditable()
。第二个问题是在编辑器中使用可聚焦字段必须非常小心。这些元素必须在小部件的不可编辑部分内,此外,您还需要停止编辑器处理它们上的事件。目前,这只能通过黑客来实现:
// Hack needed to make the input fields accessible and responsive when used in a widget.
function preventCKEditorHandling( domElement, editor ) {
// Prevent the editor from listening on below events in order to stop rendering selection.
domElement.addEventListener( 'click', stopEventPropagationAndHackRendererFocus, { capture: true } );
domElement.addEventListener( 'mousedown', stopEventPropagationAndHackRendererFocus, { capture: true } );
domElement.addEventListener( 'focus', stopEventPropagationAndHackRendererFocus, { capture: true } );
// Prevents TAB handling or other editor keys listeners which might be executed on editors selection.
domElement.addEventListener( 'keydown', stopEventPropagationAndHackRendererFocus, { capture: true } );
function stopEventPropagationAndHackRendererFocus( evt ) {
evt.stopPropagation();
// This prevents rendering changed view selection thus preventing to changing DOM selection while inside a widget.
editor.editing.view._renderer.isFocused = false;
}
参见:https://github.com/ckeditor/ckeditor5-core/compare/proto/input-widget#diff-44ca1561ce575490eac0d660407d5144R239