1 files changed, 124 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/ui/AbstractSearchableListItemActivity.java b/src/main/java/eu/siacs/conversations/ui/AbstractSearchableListItemActivity.java
new file mode 100644
index 00000000..1a9fc95c
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/ui/AbstractSearchableListItemActivity.java
@@ -0,0 +1,124 @@
+package eu.siacs.conversations.ui;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.ArrayAdapter;
+import android.widget.EditText;
+import android.widget.ListView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import eu.siacs.conversations.R;
+import eu.siacs.conversations.entities.ListItem;
+import eu.siacs.conversations.ui.adapter.ListItemAdapter;
+
+public abstract class AbstractSearchableListItemActivity extends XmppActivity {
+	private ListView mListView;
+	private final List<ListItem> listItems = new ArrayList<>();
+	private ArrayAdapter<ListItem> mListItemsAdapter;
+
+	private EditText mSearchEditText;
+
+	private final MenuItem.OnActionExpandListener mOnActionExpandListener = new MenuItem.OnActionExpandListener() {
+
+		@Override
+		public boolean onMenuItemActionExpand(final MenuItem item) {
+			mSearchEditText.post(new Runnable() {
+
+				@Override
+				public void run() {
+					mSearchEditText.requestFocus();
+					final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+					imm.showSoftInput(mSearchEditText,
+							InputMethodManager.SHOW_IMPLICIT);
+				}
+			});
+
+			return true;
+		}
+
+		@Override
+		public boolean onMenuItemActionCollapse(final MenuItem item) {
+			final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
+			imm.hideSoftInputFromWindow(mSearchEditText.getWindowToken(),
+					InputMethodManager.HIDE_IMPLICIT_ONLY);
+			mSearchEditText.setText("");
+			filterContacts();
+			return true;
+		}
+	};
+
+	private final TextWatcher mSearchTextWatcher = new TextWatcher() {
+
+		@Override
+		public void afterTextChanged(final Editable editable) {
+			filterContacts(editable.toString());
+		}
+
+		@Override
+		public void beforeTextChanged(final CharSequence s, final int start, final int count,
+				final int after) {
+		}
+
+		@Override
+		public void onTextChanged(final CharSequence s, final int start, final int before,
+				final int count) {
+		}
+	};
+
+	public ListView getListView() {
+		return mListView;
+	}
+
+	public List<ListItem> getListItems() {
+		return listItems;
+	}
+
+	public EditText getSearchEditText() {
+		return mSearchEditText;
+	}
+
+	public ArrayAdapter<ListItem> getListItemAdapter() {
+		return mListItemsAdapter;
+	}
+
+	@Override
+	public void onCreate(final Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_choose_contact);
+		mListView = (ListView) findViewById(R.id.choose_contact_list);
+		mListView.setFastScrollEnabled(true);
+		mListItemsAdapter = new ListItemAdapter(this, listItems);
+		mListView.setAdapter(mListItemsAdapter);
+	}
+
+	@Override
+	public boolean onCreateOptionsMenu(final Menu menu) {
+		getMenuInflater().inflate(R.menu.choose_contact, menu);
+		final MenuItem menuSearchView = menu.findItem(R.id.action_search);
+		final View mSearchView = menuSearchView.getActionView();
+		mSearchEditText = (EditText) mSearchView
+			.findViewById(R.id.search_field);
+		mSearchEditText.addTextChangedListener(mSearchTextWatcher);
+		menuSearchView.setOnActionExpandListener(mOnActionExpandListener);
+		return true;
+	}
+
+	protected void filterContacts() {
+		filterContacts(null);
+	}
+
+	protected abstract void filterContacts(final String needle);
+
+	@Override
+	void onBackendConnected() {
+		filterContacts();
+	}
+}