Help IDs for Groovy, PHP, JS injection support settings (IDEA-84831, WI-7913)

plugins/IntelliLang/java-support/org/intellij/plugins/intelliLang/inject/java/JavaLanguageInjectionSupport.java

@@ -489,4 +489,9 @@ public class JavaLanguageInjectionSupport extends AbstractLanguageInjectionSuppo
       super.setupPresentation(injection, presentation, isSelected);
     }
   }
+
+  @Override
+  public String getHelpId() {
+    return "reference.settings.injection.language.injection.settings.java.parameter";
+  }
 }

plugins/IntelliLang/src/org/intellij/plugins/intelliLang/inject/AbstractLanguageInjectionSupport.java

@@ -116,7 +116,10 @@ public abstract class AbstractLanguageInjectionSupport extends LanguageInjection
     final BaseInjectionPanel panel = new BaseInjectionPanel(injection, project);
     panel.reset();
     final DialogBuilder builder = new DialogBuilder(project);
-    builder.setHelpId("reference.settings.injection.language.injection.settings.java.parameter");
+    LanguageInjectionSupport support = InjectorUtils.findInjectionSupport(injection.getSupportId());
+    if (support != null && support instanceof AbstractLanguageInjectionSupport) {
+      builder.setHelpId(((AbstractLanguageInjectionSupport)support).getHelpId());
+    }
     builder.addOkAction();
     builder.addCancelAction();
     builder.setDimensionServiceKey("#org.intellij.plugins.intelliLang.inject.config.ui.BaseInjectionDialog");
@@ -150,4 +153,9 @@ public abstract class AbstractLanguageInjectionSupport extends LanguageInjection
   public boolean equals(Object obj) {
     return obj instanceof LanguageInjectionSupport && getId().equals(((LanguageInjectionSupport)obj).getId());
   }
+
+  @Nullable
+  public String getHelpId() {
+    return null;
+  }
 }

plugins/groovy/src/org/intellij/plugins/intelliLang/inject/groovy/GroovyLanguageInjectionSupport.java

@@ -42,4 +42,9 @@ public class GroovyLanguageInjectionSupport extends AbstractLanguageInjectionSup
   public boolean useDefaultInjector(final PsiElement host) {
     return host instanceof GroovyPsiElement;
   }
+
+  @Override
+  public String getHelpId() {
+    return "reference.settings.language.injection.groovy";
+  }
 }