Remove element from autocomplete

Permanently deleted user

Created May 16, 2014 17:43

In my plugin I want hide some fields from auto complete.
For example, I have:

class A {
     @Hide
     public int a;
     public int b;
}

and when I use it:

class B {
     void method() {
          A a = new A();
          a.          // in this place during the auto complete field "a" shouldn't be displayed, only b
     }
}

I try with CompletionContribution but it can only add some elements to view. Or am I mistaken?
If I could give filter for contributor, or something similar, it's would be nice.

6 comments

Permanently deleted user

Created May 19, 2014 15:15

I inherited a JavaCompletionContributor and overrided his methods and added a filter.

Permanently deleted user

Created November 14, 2014 21:44

Hi, can you give a simple filter example how to solve this assignment? E.g. We have names list, and should remove all which contains postfix 'Exclude'

Permanently deleted user

Created November 17, 2014 09:59

I think this is wrong solution, but I didn't come up with another.
I added new class that extend JavaCompletionContributor (registred it in plugin.xml). (I place him before original javaContributor order="last, before legacy, before default, before javaClassName, before javaLegacy")
Then I rewrite "getReferenceFilter()" and (copy paste almost all methods from original class to my class) chain: fillCompletionVariants()->addReferenceVariants()->getReferenceFilter()

In getReferenceFilter I changed TrueFilter to my custom.

I think this is a very bad way, so if you find another, I'll be glad to know about it.

Permanently deleted user

Created November 17, 2014 11:21

I added new class that extend JavaCompletionContributor

Can you attach code of your contributor and filter? I want to look at them, and try to find a better solution.

Permanently deleted user

Created November 17, 2014 11:29

My current code was changed for other problems. And it can be confusing.

In addReferenceVariants(final CompletionParameters parameters, CompletionResultSet result, final InheritorsHolder inheritors) i change call JavaCompletionContributor.getReferenceFilter(position) to custom:

@Nullable
public static ElementFilter getReferenceFilter(PsiElement position) {
  ElementFilter filter = JavaCompletionContributor.getReferenceFilter(position);
  if (filter == TrueFilter.INSTANCE) {
    return SomeElementFilter.INSTANCE;              // replace filter
  }
  return filter;
}

Where SomeElementFilter

final public static class SomeElementFilter implements ElementFilter {
  public static final ElementFilter INSTANCE = new SomeElementFilter();

  private SomeElementFilter() {}

  @Override
  public boolean isAcceptable(Object element, @Nullable PsiElement context) {
// some other filter logic
  }

}

Alexander Zolotov

Created November 17, 2014 11:38

Hi,

There is good javadoc for Completion Contributor: https://github.com/JetBrains/intellij-community/blob/master/platform/lang-api/src/com/intellij/codeInsight/completion/CompletionContributor.java.

You need to read QA about "I'd be happy to filter out 42 of them".

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