1 files changed, 143 insertions, 0 deletions
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/GroupReferenceBox.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/GroupReferenceBox.java
new file mode 100644
index 0000000000..9da9c22cb6
--- /dev/null
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/admin/GroupReferenceBox.java
@@ -0,0 +1,143 @@
+// Copyright (C) 2011 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.client.admin;
+
+import com.google.gerrit.client.ui.AccountGroupSuggestOracle;
+import com.google.gerrit.client.ui.RPCSuggestOracle;
+import com.google.gerrit.common.data.GroupReference;
+import com.google.gwt.editor.client.LeafValueEditor;
+import com.google.gwt.event.dom.client.KeyCodes;
+import com.google.gwt.event.dom.client.KeyPressEvent;
+import com.google.gwt.event.dom.client.KeyPressHandler;
+import com.google.gwt.event.dom.client.KeyUpEvent;
+import com.google.gwt.event.dom.client.KeyUpHandler;
+import com.google.gwt.event.logical.shared.CloseEvent;
+import com.google.gwt.event.logical.shared.CloseHandler;
+import com.google.gwt.event.logical.shared.HasCloseHandlers;
+import com.google.gwt.event.logical.shared.HasSelectionHandlers;
+import com.google.gwt.event.logical.shared.SelectionEvent;
+import com.google.gwt.event.logical.shared.SelectionHandler;
+import com.google.gwt.event.shared.HandlerRegistration;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.Focusable;
+import com.google.gwt.user.client.ui.SuggestBox;
+import com.google.gwt.user.client.ui.SuggestBox.DefaultSuggestionDisplay;
+import com.google.gwt.user.client.ui.SuggestOracle.Suggestion;
+import com.google.gwtexpui.globalkey.client.NpTextBox;
+
+public class GroupReferenceBox extends Composite implements
+    LeafValueEditor<GroupReference>, HasSelectionHandlers<GroupReference>,
+    HasCloseHandlers<GroupReferenceBox>, Focusable {
+  private final DefaultSuggestionDisplay suggestions;
+  private final NpTextBox textBox;
+  private final AccountGroupSuggestOracle oracle;
+  private final SuggestBox suggestBox;
+
+  private boolean submitOnSelection;
+
+  public GroupReferenceBox() {
+    suggestions = new DefaultSuggestionDisplay();
+    textBox = new NpTextBox();
+    oracle = new AccountGroupSuggestOracle();
+    suggestBox = new SuggestBox( //
+        new RPCSuggestOracle(oracle), //
+        textBox, //
+        suggestions);
+    initWidget(suggestBox);
+
+    textBox.addKeyPressHandler(new KeyPressHandler() {
+      @Override
+      public void onKeyPress(KeyPressEvent event) {
+        submitOnSelection = false;
+
+        if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ENTER) {
+          if (suggestions.isSuggestionListShowing()) {
+            submitOnSelection = true;
+          } else {
+            SelectionEvent.fire(GroupReferenceBox.this, getValue());
+          }
+        }
+      }
+    });
+    suggestBox.addKeyUpHandler(new KeyUpHandler() {
+      @Override
+      public void onKeyUp(KeyUpEvent event) {
+        if (event.getNativeKeyCode() == KeyCodes.KEY_ESCAPE) {
+          suggestBox.setText("");
+          CloseEvent.fire(GroupReferenceBox.this, GroupReferenceBox.this);
+        }
+      }
+    });
+    suggestBox.addSelectionHandler(new SelectionHandler<Suggestion>() {
+      @Override
+      public void onSelection(SelectionEvent<Suggestion> event) {
+        if (submitOnSelection) {
+          submitOnSelection = false;
+          SelectionEvent.fire(GroupReferenceBox.this, getValue());
+        }
+      }
+    });
+  }
+
+  public void setVisibleLength(int len) {
+    textBox.setVisibleLength(len);
+  }
+
+  @Override
+  public HandlerRegistration addSelectionHandler(
+      SelectionHandler<GroupReference> handler) {
+    return addHandler(handler, SelectionEvent.getType());
+  }
+
+  @Override
+  public HandlerRegistration addCloseHandler(
+      CloseHandler<GroupReferenceBox> handler) {
+    return addHandler(handler, CloseEvent.getType());
+  }
+
+  @Override
+  public GroupReference getValue() {
+    String name = suggestBox.getText();
+    if (name != null && !name.isEmpty()) {
+      return new GroupReference(oracle.getUUID(name), name);
+    } else {
+      return null;
+    }
+  }
+
+  @Override
+  public void setValue(GroupReference value) {
+    suggestBox.setText(value != null ? value.getName() : "");
+  }
+
+  @Override
+  public int getTabIndex() {
+    return suggestBox.getTabIndex();
+  }
+
+  @Override
+  public void setTabIndex(int index) {
+    suggestBox.setTabIndex(index);
+  }
+
+  public void setFocus(boolean focused) {
+    suggestBox.setFocus(focused);
+  }
+
+  @Override
+  public void setAccessKey(char key) {
+    suggestBox.setAccessKey(key);
+  }
+}