blocks|key|2584525|text|首先，您需要将granite:rel属性添加到按钮。正如documentation所说的|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2584526|2584527|用于表示组件的语义关系，类似于HTML+rel属性。|blockquote|2584528|2584529|2584530|您可以在自定义按钮中将AEM现有granite:rel添加为"aem-assets-admin-actions-annotate-activator“，如/libs/dam/gui/content/assets/jcr:content/actions/selection/annotate所示|2584531|或者，您也可以添加自定义值，比如"my-annotation-rel“。在这种情况下，您需要告诉AEM考虑自定义值。为此，您需要覆盖/libs/dam/gui/coral/components/admin/contentrenderer/base/assetBase.jsp并添加以下行：|2584532|+actionRels.add("my-annotation-rel");|code-block|syntax|javascript|2584533|更新：呈现条件不起作用，因为路径未正确传递到redercondition组件。{requestPathInfo.suffix}不提供资产的实际路径，而是提供文件夹路径，因此当您处于卡片/列/列表视图中时，它无法进行检查。|style|BOLD|2584534|为了实现这一点，请执行以下步骤：|2584535|boolean+|2584536|覆盖getActionRels(节点节点，boolean+hasReplicate，boolean+hasRemoveNode，boolean+hasModifyAccessControl，boolean+isExpiredAsset，boolean+isExpiredSubAsset，boolean+isDAMAdmin，boolean+isContentFragment)方法中的以下代码|unordered-list-item|2584537|2584538|hasAnnotation+=+NodeIterator；NodeIterator+nodeItr=+node.getNodes()；Node+commentsNode；while(nodeItr.hasNext())+{+Node+childNode+=+nodeItr.nextNode()；NodeIterator+childItr+=+childNode.getNodes()；while(childItr.hasNext())+{+Node+secondLevelChild+=+childItr.nextNode()；false{NodeIterator+thirdLevelNode+=+secondLevelChild.getNodes()；while(annotation()){+if(thirdLevelNode.nextNode().hasProperty("annotationData")){+hasAnnotation+=+true；}+if(hasAnnotation){+actionRels.add(“my-thirdLevelNode.hasNext-rel”)；}|2584539|将granite:rel+(String)“my-|2584540|
-rel”属性添加到自定义按钮注释中|2584541|应该能行得通。|2584542|另一种不改变OOTB+jsp文件行为的方法是，如果你正在定制metadataeditor，那么granite渲染条件应该可以工作。在这种情况下，您必须首先覆盖此按钮和自定义按钮：|2584543|+/libs/dam/gui/content/assets/metadataeditor/jcr:content/actions|2584544|并在您的自定义按钮下添加granite:rendercondition节点，并将path属性指定为|2584545|+${empty+requestPathInfo.suffix+?+param.item+:+requestPathInfo.suffix}|2584546|entityMap|0|LINK|mutability|MUTABLE|url|https://helpx.adobe.com/experience-manager/6-3/sites/developing/using/reference-materials/granite-ui/api/jcr_root/libs/granite/ui/docs/server/commonattrs.html^0|S|D|0|0|0|0|0|0|0|0|0|0|3|0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1S|8|@]|9|@$A|1T|B|1U|1|1V]]|C|$]]|$1|D|3|-4|5|6|7|1W|8|@]|9|@]|C|$]]|$1|E|3|F|5|G|7|1X|8|@]|9|@]|C|$]]|$1|H|3|-4|5|6|7|1Y|8|@]|9|@]|C|$]]|$1|I|3|-4|5|6|7|1Z|8|@]|9|@]|C|$]]|$1|J|3|K|5|6|7|20|8|@]|9|@]|C|$]]|$1|L|3|M|5|6|7|21|8|@]|9|@]|C|$]]|$1|N|3|O|5|P|7|22|8|@]|9|@]|C|$Q|R]]|$1|S|3|T|5|6|7|23|8|@$A|24|B|25|U|V]]|9|@]|C|$]]|$1|W|3|X|5|6|7|26|8|@]|9|@]|C|$]]|$1|Y|3|Z|5|6|7|27|8|@]|9|@]|C|$]]|$1|10|3|11|5|12|7|28|8|@]|9|@]|C|$]]|$1|13|3|-4|5|6|7|29|8|@]|9|@]|C|$]]|$1|14|3|15|5|6|7|2A|8|@]|9|@]|C|$]]|$1|16|3|17|5|12|7|2B|8|@]|9|@]|C|$]]|$1|18|3|19|5|6|7|2C|8|@]|9|@]|C|$]]|$1|1A|3|1B|5|6|7|2D|8|@]|9|@]|C|$]]|$1|1C|3|1D|5|6|7|2E|8|@]|9|@]|C|$]]|$1|1E|3|1F|5|P|7|2F|8|@]|9|@]|C|$Q|R]]|$1|1G|3|1H|5|6|7|2G|8|@]|9|@]|C|$]]|$1|1I|3|1J|5|P|7|2H|8|@]|9|@]|C|$Q|R]]|$1|1K|3|-4|5|6|7|2I|8|@]|9|@]|C|$]]]|1L|$1M|$5|1N|1O|1P|C|$1Q|1R]]]]

First you need to add granite:rel property to your button. 
As said in the <a href="https://helpx.adobe.com/experience-manager/6-3/sites/developing/using/reference-materials/granite-ui/api/jcr_root/libs/granite/ui/docs/server/commonattrs.html" rel="nofollow noreferrer">documentation</a>:

<blockquote>
 This is used to indicate the semantic relationship of the component
 similar to HTML rel attribute.
</blockquote>

You can add the AEM existing granite:rel in your custom button as "aem-assets-admin-actions-annotate-activator" as shown /libs/dam/gui/content/assets/jcr:content/actions/selection/annotate

Or you can also add your custom value lets say "my-annotation-rel". In this case you need to tell AEM to consider your custom value. In order to do this, you need to overlay /libs/dam/gui/coral/components/admin/contentrenderer/base/assetBase.jsp
and add this line :

<pre><code> actionRels.add("my-annotation-rel");
</code></pre>

Update: render condition is not working because the path is not correctly passed to redercondition component. {requestPathInfo.suffix} does not give the actual path of the asset rather it gives the folder path and hence it fails to check when you are in card/column/list view. 

In order to implement this, follow these steps:

<ol>
<li>Overlay /libs/dam/gui/coral/components/admin/contentrenderer/base/base.jsp</li>
<li>Add this below code inside getActionRels(Node node, boolean hasReplicate,boolean hasRemoveNode, boolean hasModifyAccessControl, boolean isExpiredAsset, boolean isExpiredSubAsset, boolean isDAMAdmin, boolean isContentFragment) method 

<pre><code>boolean hasAnnotation = false;
NodeIterator nodeItr= node.getNodes();

 Node commentsNode;
 while(nodeItr.hasNext()) {
 Node childNode = nodeItr.nextNode();
 NodeIterator childItr = childNode.getNodes();
 while(childItr.hasNext()) {
 Node secondLevelChild = childItr.nextNode();
 if(secondLevelChild.getName().equals("comments")) {
 NodeIterator thirdLevelNode = secondLevelChild.getNodes(); 
 while(thirdLevelNode.hasNext()){
 if(thirdLevelNode.nextNode().hasProperty("annotationData")){
 hasAnnotation = true;
 }
 }
 }
 }
 }
 if(hasAnnotation){
 actionRels.add("my-annotation-rel");
 }
</code></pre></li>
<li>Add granite:rel (String) "my-annotation-rel" property to your custom button </li>
</ol>

It should work.

Another way without changing the OOTB jsp file behaviour, if you are customising metadataeditor then granite render condition should work . In this case you have to first overlay this and your custom button:

<pre><code> /libs/dam/gui/content/assets/metadataeditor/jcr:content/actions
</code></pre>

and add granite:rendercondition node under your custom button and give path property as 

<pre><code> ${empty requestPathInfo.suffix ? param.item : requestPathInfo.suffix}
</code></pre>

I have created a button called <code>annotation</code> and I have added <code>hasannotation</code> OOTB granite render condition. On selection of an image having annotation, the button doesn't get rendered. 
<a href="https://i.stack.imgur.com/hQuZg.png" rel="nofollow noreferrer">Image Of the custom button with granite:rendercondition</a>

<a href="https://i.stack.imgur.com/F2nhA.png" rel="nofollow noreferrer">Properties of the button</a>

<a href="https://i.stack.imgur.com/zCm1e.png" rel="nofollow noreferrer">Properties of granite:rendercondition node</a>

OOTB Granite Render Condition in AEM

我已经创建了一个名为annotation的按钮，并且我已经添加了hasannotation OOTB granite渲染条件。在选择带有注释的图像时，按钮不会被渲染。

问AEM中的OOTB Granite渲染条件
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