import java.io.IOException;
import java.io.StringWriter;
import java.lang.ref.WeakReference;
+import java.util.LinkedList;
+import java.util.List;
import java.util.Scanner;
public class PreviewTextFragment extends FileFragment {
* Show loading dialog
*/
public void showLoadingDialog() {
- // Construct dialog
- LoadingDialog loading = new LoadingDialog(getResources().getString(R.string.wait_a_moment));
- FragmentManager fm = getActivity().getSupportFragmentManager();
- FragmentTransaction ft = fm.beginTransaction();
- loading.show(ft, DIALOG_WAIT_TAG);
+ // only once
+ Fragment frag = getActivity().getSupportFragmentManager().findFragmentByTag(DIALOG_WAIT_TAG);
+ LoadingDialog loading = null;
+ if (frag == null) {
+ // Construct dialog
+ loading = new LoadingDialog(getResources().getString(R.string.wait_a_moment));
+ FragmentManager fm = getActivity().getSupportFragmentManager();
+ FragmentTransaction ft = fm.beginTransaction();
+ loading.show(ft, DIALOG_WAIT_TAG);
+ } else {
+ loading = (LoadingDialog) frag;
+ loading.setShowsDialog(true);
+ }
+
}
/**
* @return 'True' if the file can be handled by the fragment.
*/
public static boolean canBePreviewed(OCFile file) {
- return (file != null && file.isDown() && file.isText());
+ final List<String> supportedTypes = new LinkedList<String>();
+ supportedTypes.add("text/plain");
+ supportedTypes.add("text/html");
+ supportedTypes.add("text/css");
+ supportedTypes.add("text/csv");
+
+ return (file != null && file.isDown() && supportedTypes.contains(file.getMimetype()));
}
/**