multi selection for secret key list

This commit is contained in:
Dominik Schürmann 2014-01-07 23:54:12 +01:00
parent 2ccfc09f44
commit 1970d4be6e
3 changed files with 143 additions and 2 deletions

View File

@ -364,7 +364,7 @@
<string name="key_list_empty_text2">You can start by</string>
<string name="key_list_empty_text3">or</string>
<string name="key_list_empty_button_create">creating your own key pair</string>
<string name="key_list_empty_button_import">importing public keys.</string>
<string name="key_list_empty_button_import">importing keys.</string>
<!-- Key view -->
<string name="key_view_action_encrypt">Encrypt to this contact</string>

View File

@ -17,22 +17,32 @@
package org.sufficientlysecure.keychain.ui;
import java.util.Set;
import org.sufficientlysecure.keychain.Id;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.provider.KeychainContract;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
import org.sufficientlysecure.keychain.ui.adapter.KeyListSecretAdapter;
import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.AbsListView.MultiChoiceModeListener;
import android.widget.AdapterView.OnItemClickListener;
import com.actionbarsherlock.app.SherlockListFragment;
@ -47,6 +57,7 @@ public class KeyListSecretFragment extends SherlockListFragment implements
/**
* Define Adapter and Loader on create of Activity
*/
@SuppressLint("NewApi")
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
@ -59,6 +70,75 @@ public class KeyListSecretFragment extends SherlockListFragment implements
// application this would come from a resource.
setEmptyText(getString(R.string.list_empty));
/*
* ActionBarSherlock does not support MultiChoiceModeListener. Thus multi-selection is only
* available for Android >= 3.0
*/
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
getListView().setMultiChoiceModeListener(new MultiChoiceModeListener() {
private int count = 0;
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
android.view.MenuInflater inflater = getActivity().getMenuInflater();
inflater.inflate(R.menu.key_list_secret_multi, menu);
return true;
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
return false;
}
@Override
public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
Set<Integer> positions = mAdapter.getCurrentCheckedPosition();
// get IDs for checked positions as long array
long[] ids = new long[positions.size()];
int i = 0;
for (int pos : positions) {
ids[i] = mAdapter.getItemId(pos);
i++;
}
switch (item.getItemId()) {
case R.id.menu_key_list_public_multi_delete: {
showDeleteKeyDialog(ids);
break;
}
}
return false;
}
@Override
public void onDestroyActionMode(ActionMode mode) {
count = 0;
mAdapter.clearSelection();
}
@Override
public void onItemCheckedStateChanged(ActionMode mode, int position, long id,
boolean checked) {
if (checked) {
count++;
mAdapter.setNewSelection(position, checked);
} else {
count--;
mAdapter.removeSelection(position);
}
String keysSelected = getResources().getQuantityString(
R.plurals.key_list_selected_keys, count, count);
mode.setTitle(keysSelected);
}
});
}
// We have a menu item to show in action bar.
setHasOptionsMenu(true);
@ -123,4 +203,16 @@ public class KeyListSecretFragment extends SherlockListFragment implements
editIntent.setAction(EditKeyActivity.ACTION_EDIT_KEY);
startActivityForResult(editIntent, 0);
}
/**
* Show dialog to delete key
*
* @param keyRingRowIds
*/
public void showDeleteKeyDialog(long[] keyRingRowIds) {
DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(null,
keyRingRowIds, Id.type.secret_key);
deleteKeyDialog.show(getActivity().getSupportFragmentManager(), "deleteKeyDialog");
}
}

View File

@ -17,12 +17,17 @@
package org.sufficientlysecure.keychain.ui.adapter;
import java.util.HashMap;
import java.util.Set;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.OtherHelper;
import org.sufficientlysecure.keychain.provider.KeychainContract.UserIds;
import android.annotation.SuppressLint;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Color;
import android.support.v4.widget.CursorAdapter;
import android.view.LayoutInflater;
import android.view.View;
@ -30,9 +35,11 @@ import android.view.ViewGroup;
import android.widget.TextView;
public class KeyListSecretAdapter extends CursorAdapter {
private LayoutInflater mInflater;
@SuppressLint("UseSparseArrays")
private HashMap<Integer, Boolean> mSelection = new HashMap<Integer, Boolean>();
public KeyListSecretAdapter(Context context, Cursor c, int flags) {
super(context, c, flags);
@ -74,4 +81,46 @@ public class KeyListSecretAdapter extends CursorAdapter {
return mInflater.inflate(R.layout.key_list_item, null);
}
/** -------------------------- MULTI-SELECTION METHODS -------------- */
public void setNewSelection(int position, boolean value) {
mSelection.put(position, value);
notifyDataSetChanged();
}
public boolean isPositionChecked(int position) {
Boolean result = mSelection.get(position);
return result == null ? false : result;
}
public Set<Integer> getCurrentCheckedPosition() {
return mSelection.keySet();
}
public void removeSelection(int position) {
mSelection.remove(position);
notifyDataSetChanged();
}
public void clearSelection() {
mSelection.clear();
notifyDataSetChanged();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// let the adapter handle setting up the row views
View v = super.getView(position, convertView, parent);
/**
* Change color for multi-selection
*/
// default color
v.setBackgroundColor(Color.TRANSPARENT);
if (mSelection.get(position) != null) {
// this is a selected position, change color!
v.setBackgroundColor(parent.getResources().getColor(R.color.emphasis));
}
return v;
}
}