Update MacroPreprocessor.java

Author: tferr

src/main/java/net/imagej/legacy/plugin/MacroPreprocessor.java

@@ -66,19 +66,17 @@ public void process(final Module module) {
 		if (ij1Helper == null) return;
 		if (!ij1Helper.isMacro()) return;
 		for (final ModuleItem<?> input : module.getInfo().inputs()) {
-			final Class<?> type = input.getType();
 			final String name = input.getName();
-			final String value = ij1Helper.getMacroParameter(name);
-			if (ColorTable.class.equals(type) || ItemVisibility.MESSAGE.equals(input.getVisibility())) {
-				// resolve display messages and color tables. For the latter, a macro parameter
+			final Class<?> type = input.getType();
+			if (Button.class.equals(type) || ColorTable.class.equals(type) || ItemVisibility.MESSAGE.equals(input.getVisibility())) {
+				// resolve buttons, display messages, and color tables. For the latter a parameter
 				// value is provided but IJM cannot do anything with it. See #239 for details
 				module.resolveInput(name);
 				continue;
 			}
-			if (value == null) { // no macro parameter value provided
-				if (Button.class.equals(type)) {
-					module.resolveInput(name); // resolve buttons
-				}
+			final String value = ij1Helper.getMacroParameter(name);
+			if (value == null) {
+				// no macro parameter value provided
 				continue;
 			}
 			if (!convertService.supports(value, type)) {