内容帮助javaCompletionProposalComputer for Eclipse JSDT不提供任何提案 [英] Content assist with javaCompletionProposalComputer for Eclipse JSDT gives no proposal

问题描述

对于Eclipse JSDT，对 org.eclipse.wst.jsdt.ui.javaCompletionProposalComputer 的内容帮助不提供任何提案。

在首选项 - > JavaScript - >编辑 - >内容辅助 - >高级
Nodeclipse Proposals是可见和选择的。根据Bananaweizen的建议，

基于Eclipse JSDT的编辑器的内容帮助

在plugin.xml中

 < extension point =org.eclipse.wst.jsdt.ui.javaCompletionProposalComputer
 id =nodeclispe_textual_proposals
 name =Nodeclipse Text Proposals> 
< proposalCategory icon =icons / npm / npm.gif/> 
< / extension> 
< extension point =org.eclipse.wst.jsdt.ui.javaCompletionProposalComputer
 id =NodeclipseProposals
 name =Nodeclipse Proposals> 
< javaCompletionProposalComputer 
 class =org.nodeclipse.ui.contentassist.JSDTProposalComputer
 categoryId =org.eclipse.ui.texteditor.textual_proposals> 
< partition type =__ java_javadoc/> 
< / javaCompletionProposalComputer> 
< / extension> 
  

JSDTProposalComputer 只是包含 NodeContentAssistant

（实现 IContentAssistProcessor ），这对于基于TextEditor的编辑器非常有效。

  public class JSDTProposalComputer实现IJavaCompletionProposalComputer {
 
 IContentAssistProcessor assistant = new NodeContentAssistant（）; 
 
 @Override 
 public List< ICompletionProposal> computeCompletionProposals（ContentAssistInvocationContext context，IProgressMonitor monitor）{
 return Arrays.asList（assistant.computeCompletionProposals（context.getViewer（），context.getInvocationOffset（）））; 
} 
 
 @Override 
 public List< IContextInformation> computeContextInformation（ContentAssistInvocationContext context，IProgressMonitor monitor）{
 return Arrays.asList（assistant.computeContextInformation（context.getViewer（），context.getInvocationOffset（）））; 
} 
  

帮助是

• HippieProposalComputer - http：//svn.codespot .COM / A / eclipselabs.org /移动网络的发展与 - 的PhoneGap /标签/ R1.2 / org.eclipse.wst.jsdt.ui / SRC /组织/日蚀/ WST / JSDT /内部/ UI /文/java/HippieProposalComputer.java


• HippieProposalProcessor - http：//grepcode.c OM /文件/ repository.grepcode.com / JAVA / eclipse.org / 3.5.2 / org.eclipse.ui.workbench /文本编辑/ 3.5.1 /组织/蚀/ UI /文本编辑/ HippieProposalProcessor.java

所有代码都在GitHUb contentassist package https://github.com/Enide/nodeclipse- 1 / tree / master / org.nodeclipse.ui / src / org / nodeclipse / ui / contentassist

解决方案

正如@zulus所说：

尝试在javaCompletionProposalComputer中添加activate =true，然后删除

<

工作原理是：

 < extension point =org.eclipse 
 id =nodeclispe_textual_proposals
 name =Nodeclipse文本提案> 
< proposalCategory icon =icons / npm / npm.gif/> 
< / extension> 
< extension point =org.eclipse.wst.jsdt.ui.javaCompletionProposalComputer
 id =NodeclipseProposals
 name =Nodeclipse Proposals> 
< javaCompletionProposalComputer 
 class =org.nodeclipse.ui.contentassist.JSDTProposalComputer
 categoryId =org.eclipse.ui.texteditor.textual_proposals
 activate =true > 
< / javaCompletionProposalComputer> 
< / extension> 
  

http://www.nodeclipse.org/img/Completion-for-base-Node.js-modules.PNG

Content assist with org.eclipse.wst.jsdt.ui.javaCompletionProposalComputer for Eclipse JSDT gives no proposal.

In Preferences -> JavaScript -> Editor -> Content Assist -> Advanced "Nodeclipse Proposals" are visible, and selected.

as advised by Bananaweizen to Content assist for Eclipse JSDT based Editor

in plugin.xml

<extension point="org.eclipse.wst.jsdt.ui.javaCompletionProposalComputer"
   id="nodeclispe_textual_proposals"
   name="Nodeclipse Text Proposals">
   <proposalCategory icon="icons/npm/npm.gif"/>
 </extension>
 <extension point="org.eclipse.wst.jsdt.ui.javaCompletionProposalComputer"
   id="NodeclipseProposals"
   name="Nodeclipse Proposals">
   <javaCompletionProposalComputer
      class="org.nodeclipse.ui.contentassist.JSDTProposalComputer"
      categoryId="org.eclipse.ui.texteditor.textual_proposals">
      <partition type="__java_javadoc"/>
   </javaCompletionProposalComputer>
 </extension>

JSDTProposalComputer is just wrapper for NodeContentAssistant
(that implements IContentAssistProcessor), that works perfectly well for TextEditor based Editor.

public class JSDTProposalComputer implements IJavaCompletionProposalComputer {

    IContentAssistProcessor assistant = new NodeContentAssistant();

    @Override
    public List<ICompletionProposal> computeCompletionProposals(ContentAssistInvocationContext context, IProgressMonitor monitor) {
        return Arrays.asList(assistant.computeCompletionProposals(context.getViewer(), context.getInvocationOffset()));
    }

    @Override
    public List<IContextInformation> computeContextInformation(ContentAssistInvocationContext context, IProgressMonitor monitor) {
        return Arrays.asList(assistant.computeContextInformation(context.getViewer(), context.getInvocationOffset()));
    }

examples from help are

• HippieProposalComputer - http://svn.codespot.com/a/eclipselabs.org/mobile-web-development-with-phonegap/tags/r1.2/org.eclipse.wst.jsdt.ui/src/org/eclipse/wst/jsdt/internal/ui/text/java/HippieProposalComputer.java
• HippieProposalProcessor - http://grepcode.com/file/repository.grepcode.com/java/eclipse.org/3.5.2/org.eclipse.ui.workbench/texteditor/3.5.1/org/eclipse/ui/texteditor/HippieProposalProcessor.java

All code is on GitHUb contentassist package https://github.com/Enide/nodeclipse-1/tree/master/org.nodeclipse.ui/src/org/nodeclipse/ui/contentassist

解决方案

Exactly as @zulus said:

try to add activate="true" in javaCompletionProposalComputer and remove

what worked is:

<extension point="org.eclipse.wst.jsdt.ui.javaCompletionProposalComputer"
   id="nodeclispe_textual_proposals"
   name="Nodeclipse Text Proposals">
   <proposalCategory icon="icons/npm/npm.gif"/>
 </extension>
 <extension point="org.eclipse.wst.jsdt.ui.javaCompletionProposalComputer"
   id="NodeclipseProposals"
   name="Nodeclipse Proposals">
   <javaCompletionProposalComputer
      class="org.nodeclipse.ui.contentassist.JSDTProposalComputer"
      categoryId="org.eclipse.ui.texteditor.textual_proposals"
      activate="true">
   </javaCompletionProposalComputer>
 </extension>

http://www.nodeclipse.org/img/Completion-for-base-Node.js-modules.PNG

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