| // Copyright (C) 2013 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.change; |
| |
| import com.google.gwt.dom.client.Document; |
| import com.google.gwt.dom.client.Style; |
| import com.google.gwt.event.logical.shared.CloseEvent; |
| import com.google.gwt.event.logical.shared.CloseHandler; |
| import com.google.gwt.user.client.Window; |
| import com.google.gwt.user.client.ui.PopupPanel; |
| import com.google.gwt.user.client.ui.UIObject; |
| import com.google.gwt.user.client.ui.Widget; |
| import com.google.gwtexpui.globalkey.client.GlobalKey; |
| |
| abstract class RightSidePopdownAction { |
| private final ChangeScreen.Style style; |
| private final Widget button; |
| private final UIObject relativeTo; |
| private PopupPanel popup; |
| |
| RightSidePopdownAction(ChangeScreen.Style style, UIObject relativeTo, Widget button) { |
| this.style = style; |
| this.relativeTo = relativeTo; |
| this.button = button; |
| } |
| |
| abstract Widget getWidget(); |
| |
| void show() { |
| if (popup != null) { |
| button.removeStyleName(style.selected()); |
| popup.hide(); |
| return; |
| } |
| |
| final PopupPanel p = |
| new PopupPanel(true) { |
| @Override |
| public void setPopupPosition(int left, int top) { |
| top -= Document.get().getBodyOffsetTop(); |
| |
| int w = Window.getScrollLeft() + Window.getClientWidth(); |
| int r = relativeTo.getAbsoluteLeft() + relativeTo.getOffsetWidth(); |
| int right = w - r; |
| Style style = getElement().getStyle(); |
| style.clearProperty("left"); |
| style.setPropertyPx("right", right); |
| style.setPropertyPx("top", top); |
| } |
| }; |
| p.setStyleName(style.replyBox()); |
| p.addAutoHidePartner(button.getElement()); |
| p.addCloseHandler( |
| new CloseHandler<PopupPanel>() { |
| @Override |
| public void onClose(CloseEvent<PopupPanel> event) { |
| if (popup == p) { |
| button.removeStyleName(style.selected()); |
| popup = null; |
| } |
| } |
| }); |
| p.add(getWidget()); |
| p.showRelativeTo(relativeTo); |
| GlobalKey.dialog(p); |
| button.addStyleName(style.selected()); |
| popup = p; |
| } |
| } |