String findContentTypeNameOrType(
ICompareInput input, ViewerDescriptor vd, CompareConfiguration cc) {
IContentType ctype = getCommonType(input);
if (ctype != null) {
initializeRegistries();
List list = fContentMergeViewers.searchAll(ctype);
if (list != null) if (list.contains(vd)) return ctype.getName();
}
String[] types = getTypes(input);
String type = null;
if (isHomogenous(types)) type = types[0];
if (ITypedElement.FOLDER_TYPE.equals(type)) return null;
if (type == null) {
int n = 0;
for (int i = 0; i < types.length; i++)
if (!ITypedElement.UNKNOWN_TYPE.equals(types[i])) {
n++;
if (type == null) type = types[i]; // remember the first known type
}
if (n > 1) // don't use the type if there were more than one
type = null;
}
if (type != null) {
initializeRegistries();
List list = fContentMergeViewers.searchAll(type);
if (list != null) if (list.contains(vd)) return type;
}
// fallback
String leftType = guessType(input.getLeft());
String rightType = guessType(input.getRight());
if (leftType != null || rightType != null) {
boolean right_text = rightType != null && ITypedElement.TEXT_TYPE.equals(rightType);
boolean left_text = leftType != null && ITypedElement.TEXT_TYPE.equals(leftType);
initializeRegistries();
if ((rightType != null && !right_text) || (leftType != null && !left_text)) {
List list = fContentMergeViewers.searchAll(BINARY_TYPE);
if (list != null) if (list.contains(vd)) return type;
}
List list = fContentMergeViewers.searchAll(ITypedElement.TEXT_TYPE);
if (list != null) if (list.contains(vd)) return type;
}
return null;
}
public ViewerDescriptor[] findContentViewerDescriptor(
Viewer oldViewer, Object in, CompareConfiguration cc) {
Set result = new LinkedHashSet();
if (in instanceof IStreamContentAccessor) {
String type = ITypedElement.TEXT_TYPE;
if (in instanceof ITypedElement) {
ITypedElement tin = (ITypedElement) in;
IContentType ct = getContentType(tin);
if (ct != null) {
initializeRegistries();
List list = fContentViewers.searchAll(ct);
if (list != null) result.addAll(list);
}
String ty = tin.getType();
if (ty != null) type = ty;
}
initializeRegistries();
List list = fContentViewers.searchAll(type);
if (list != null) result.addAll(list);
// fallback
result.add(
fContentViewers.search(
Platform.getContentTypeManager().getContentType(IContentTypeManager.CT_TEXT)));
return (ViewerDescriptor[]) result.toArray(new ViewerDescriptor[0]);
}
if (!(in instanceof ICompareInput)) return null;
ICompareInput input = (ICompareInput) in;
IContentType ctype = getCommonType(input);
if (ctype != null) {
initializeRegistries();
List list = fContentMergeViewers.searchAll(ctype);
if (list != null) result.addAll(list);
}
String[] types = getTypes(input);
String type = null;
if (isHomogenous(types)) type = types[0];
if (ITypedElement.FOLDER_TYPE.equals(type)) return null;
if (type == null) {
int n = 0;
for (int i = 0; i < types.length; i++)
if (!ITypedElement.UNKNOWN_TYPE.equals(types[i])) {
n++;
if (type == null) type = types[i]; // remember the first known type
}
if (n > 1) // don't use the type if there were more than one
type = null;
}
if (type != null) {
initializeRegistries();
List list = fContentMergeViewers.searchAll(type);
if (list != null) result.addAll(list);
}
// fallback
String leftType = guessType(input.getLeft());
String rightType = guessType(input.getRight());
if (leftType != null || rightType != null) {
boolean right_text = rightType != null && ITypedElement.TEXT_TYPE.equals(rightType);
boolean left_text = leftType != null && ITypedElement.TEXT_TYPE.equals(leftType);
initializeRegistries();
if ((rightType != null && !right_text) || (leftType != null && !left_text)) {
List list = fContentMergeViewers.searchAll(BINARY_TYPE);
if (list != null) result.addAll(list);
}
List list = fContentMergeViewers.searchAll(ITypedElement.TEXT_TYPE);
if (list != null) result.addAll(list);
return (ViewerDescriptor[]) result.toArray(new ViewerDescriptor[0]);
}
return null;
}