Add preview for Grammar Preference. See

eclipse-tm4e#32
mickaelistria · Sep 10, 2017 · 54be6ff · 54be6ff
1 parent f633898
commit 54be6ff
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Showing 8 changed files with 389 additions and 160 deletions.
diff --git a/...clipse.tm4e.registry/src/main/java/org/eclipse/tm4e/registry/IGrammarRegistryManager.java b/...clipse.tm4e.registry/src/main/java/org/eclipse/tm4e/registry/IGrammarRegistryManager.java
@@ -21,14 +21,25 @@
 public interface IGrammarRegistryManager {
 
 	/**
-	 * Returns the {@link IGrammar} for the given content types.
+	 * Returns the {@link IGrammar} for the given content types and null
+	 * otherwise.
 	 * 
 	 * @param contentTypes
 	 *            the content type.
-	 * @return the {@link IGrammar} for the given content type.
+	 * @return the {@link IGrammar} for the given content type and null
+	 *         otherwise.
 	 */
 	IGrammar getGrammarFor(IContentType[] contentTypes);
 
+	/**
+	 * Returns the {@link IGrammar} for the given scope name and null otherwise.
+	 * 
+	 * @param contentTypes
+	 *            the content type.
+	 * @return the {@link IGrammar} for the given scope name and null otherwise.
+	 */
+	IGrammar getGrammarFor(String scopeName);
+
 	/**
 	 * Returns the list of registered TextMate grammars.
 	 * 

diff --git a/...m4e.registry/src/main/java/org/eclipse/tm4e/registry/internal/GrammarRegistryManager.java b/...m4e.registry/src/main/java/org/eclipse/tm4e/registry/internal/GrammarRegistryManager.java
@@ -70,15 +70,21 @@ public IGrammar getGrammarFor(IContentType[] contentTypes) {
 		for (IContentType contentType : contentTypes) {
 			String scopeName = getScopeName(contentType.getId());
 			if (scopeName != null) {
-				IGrammar grammar = registry.getGrammar(scopeName);
+				IGrammar grammar = getGrammarFor(scopeName);
 				if (grammar != null) {
 					return grammar;
 				}
 			}
 		}
 		return null;
 	}
-
+
+	@Override
+	public IGrammar getGrammarFor(String scopeName) {
+		loadGrammarsIfNeeded();
+		return registry.getGrammar(scopeName);
+	}
+
 	@Override
 	public IGrammarDefinition[] getDefinitions() {
 		loadGrammarsIfNeeded();