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Accessing PSI requires read action.

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This commit is contained in:
Maxim Shafirov
2009-10-26 16:00:28 +03:00
parent 387fc80395
commit 2fa02d1344
1 changed files with 8 additions and 2 deletions
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platform/lang-api/src/com/intellij/codeInsight/completion/CompletionContributor.java
+8 -2
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@@ -19,8 +19,10 @@ import com.intellij.codeInsight.lookup.LookupElement;
import com.intellij.codeInsight.lookup.LookupElementPresentation;
import com.intellij.lang.Language;
import com.intellij.openapi.actionSystem.ActionManager;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.keymap.KeymapUtil;
import com.intellij.openapi.util.Computable;
import com.intellij.openapi.util.KeyedExtensionCollector;
import com.intellij.openapi.util.Pair;
import com.intellij.patterns.ElementPattern;
@@ -213,8 +215,12 @@ public abstract class CompletionContributor extends AbstractCompletionContributo
return KeymapUtil.getFirstKeyboardShortcutText(ActionManager.getInstance().getAction(actionId));
}
public static List<CompletionContributor> forParameters(CompletionParameters parameters) {
return forLanguage(PsiUtilBase.getLanguageAtOffset(parameters.getPosition().getContainingFile(), parameters.getOffset()));
public static List<CompletionContributor> forParameters(final CompletionParameters parameters) {
return ApplicationManager.getApplication().runReadAction(new Computable<List<CompletionContributor>>() {
public List<CompletionContributor> compute() {
return forLanguage(PsiUtilBase.getLanguageAtOffset(parameters.getPosition().getContainingFile(), parameters.getOffset()));
}
});
}
public static List<CompletionContributor> forLanguage(Language language) {