public void testIsDirty() throws IOException, CoreException {
IStructuredModel model = getTestModel();
try {
assertFalse("model should not be dirty", model.isDirty());
} finally {
if (model != null) {
model.releaseFromEdit();
}
}
}
/**
* Method validateEdit.
*
* @param file org.eclipse.core.resources.IFile
* @param context org.eclipse.swt.widgets.Shell
* @return IStatus
*/
private static IStatus validateEdit(IFile file, Shell context) {
if (file == null || !file.exists()) return STATUS_ERROR;
if (!(file.isReadOnly())) return STATUS_OK;
IPath location = file.getLocation();
final long beforeModifiedFromJavaIO =
(location != null) ? location.toFile().lastModified() : IResource.NULL_STAMP;
final long beforeModifiedFromIFile = file.getModificationStamp();
IStatus status = ResourcesPlugin.getWorkspace().validateEdit(new IFile[] {file}, context);
if (!status.isOK()) return status;
final long afterModifiedFromJavaIO =
(location != null) ? location.toFile().lastModified() : IResource.NULL_STAMP;
final long afterModifiedFromIFile = file.getModificationStamp();
if (beforeModifiedFromJavaIO != afterModifiedFromJavaIO
|| beforeModifiedFromIFile != afterModifiedFromIFile) {
IModelManager manager = StructuredModelManager.getModelManager();
IStructuredModel model = manager.getExistingModelForRead(file);
if (model != null) {
if (!model.isDirty()) {
try {
file.refreshLocal(IResource.DEPTH_ONE, null);
} catch (CoreException e) {
return STATUS_ERROR;
} finally {
model.releaseFromRead();
}
} else {
model.releaseFromRead();
}
}
}
if ((beforeModifiedFromJavaIO != afterModifiedFromJavaIO)
|| (beforeModifiedFromIFile != afterModifiedFromIFile)) {
// the file is replaced. Modification cannot be
// applied.
return STATUS_ERROR;
}
return STATUS_OK;
}
