@SuppressWarnings("ConstantConditions")
@Override
public void onPrepareOptionsMenu(Menu menu) {
menu.findItem(R.id.action_add)
.setEnabled(preferenceFile != null && preferenceFile.isValidPreferenceFile());
menu.findItem(R.id.action_add)
.setIcon(
preferenceFile != null && preferenceFile.isValidPreferenceFile()
? R.drawable.ic_action_add
: R.drawable.ic_action_add_disabled);
menu.findItem(R.id.action_sort_alpha)
.setChecked(PreferencesActivity.preferenceSortType == PreferenceSortType.ALPHANUMERIC);
menu.findItem(R.id.action_sort_type)
.setChecked(
PreferencesActivity.preferenceSortType == PreferenceSortType.TYPE_AND_ALPHANUMERIC);
menu.findItem(R.id.action_restore_file)
.setVisible(mListener != null && mListener.canRestoreFile(mFullPath));
super.onPrepareOptionsMenu(menu);
}
void updateListView(PreferenceFile p, boolean animate) {
if (getActivity() == null || getActivity().isFinishing()) {
return;
}
if (p == null) {
if (getActivity() != null) {
getActivity().finish();
}
return;
}
preferenceFile = p;
emptyViewText.setText(
preferenceFile.isValidPreferenceFile()
? R.string.empty_preference_file_valid
: R.string.empty_preference_file_invalid);
loadingView.setVisibility(View.GONE);
gridView.setVisibility(View.VISIBLE);
if (animate) {
if (getActivity() != null) {
Animation fadeOut = AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_out);
if (fadeOut != null) {
loadingView.startAnimation(fadeOut);
}
Animation fadeIn = AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_in);
if (fadeIn != null) {
gridView.startAnimation(fadeIn);
}
}
}
gridView.setAdapter(new PreferenceAdapter(getActivity(), this));
gridView.setEmptyView(emptyView);
gridView.setOnItemClickListener(
new OnItemClickListener() {
@SuppressWarnings("unchecked")
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
Entry<String, Object> item =
(Entry<String, Object>) gridView.getAdapter().getItem(arg2);
PreferenceType type = PreferenceType.fromObject(item.getValue());
if (type == PreferenceType.UNSUPPORTED) {
Toast.makeText(getActivity(), R.string.preference_unsupported, Toast.LENGTH_SHORT)
.show();
} else {
showPrefDialog(type, true, item.getKey(), item.getValue());
}
}
});
gridView.setMultiChoiceModeListener(
new MultiChoiceModeListener() {
@Override
public void onItemCheckedStateChanged(
ActionMode mode, int position, long id, boolean checked) {
((PreferenceAdapter) gridView.getAdapter()).itemCheckedStateChanged(position, checked);
mode.setTitle(Html.fromHtml("<b>" + gridView.getCheckedItemCount() + "</b>"));
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
switch (item.getItemId()) {
case R.id.action_delete:
((PreferenceAdapter) gridView.getAdapter()).deleteSelection();
PreferenceFile.saveFast(preferenceFile, mFullPath, mPackageName);
((PreferenceAdapter) gridView.getAdapter()).notifyDataSetChanged();
mode.finish();
return true;
case R.id.action_select_all:
boolean check = gridView.getCheckedItemCount() != gridView.getCount();
for (int i = 0; i < gridView.getCount(); i++) {
gridView.setItemChecked(i, check);
}
return true;
default:
return false;
}
}
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
MenuInflater inflater = mode.getMenuInflater();
if (inflater != null) {
inflater.inflate(R.menu.cab, menu);
}
return true;
}
@Override
public void onDestroyActionMode(ActionMode mode) {
((PreferenceAdapter) gridView.getAdapter()).resetSelection();
getActivity().invalidateOptionsMenu();
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
return false;
}
});
getActivity().invalidateOptionsMenu();
}
