| // Copyright (C) 2008 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.ui; |
| |
| import com.google.gwt.dom.client.Element; |
| import com.google.gwt.event.logical.shared.CloseHandler; |
| import com.google.gwt.event.logical.shared.HasCloseHandlers; |
| import com.google.gwt.event.logical.shared.HasOpenHandlers; |
| import com.google.gwt.event.logical.shared.OpenHandler; |
| import com.google.gwt.event.shared.HandlerRegistration; |
| import com.google.gwt.user.client.DOM; |
| import com.google.gwt.user.client.ui.ComplexPanel; |
| import com.google.gwt.user.client.ui.Composite; |
| import com.google.gwt.user.client.ui.DisclosurePanel; |
| import com.google.gwt.user.client.ui.Panel; |
| import com.google.gwt.user.client.ui.Widget; |
| |
| public class ComplexDisclosurePanel extends Composite |
| implements HasOpenHandlers<DisclosurePanel>, HasCloseHandlers<DisclosurePanel> { |
| private final DisclosurePanel main; |
| private final Panel header; |
| |
| public ComplexDisclosurePanel(String text, boolean isOpen) { |
| // Ick. GWT's DisclosurePanel won't let us subclass it, or do any |
| // other modification of its header. We're stuck with injecting |
| // into the DOM directly. |
| // |
| main = new DisclosurePanel(text); |
| main.setOpen(isOpen); |
| final Element headerParent; |
| { |
| final Element table = main.getElement(); |
| final Element tbody = DOM.getFirstChild(table); |
| final Element tr1 = DOM.getChild(tbody, 0); |
| final Element tr2 = DOM.getChild(tbody, 1); |
| |
| DOM.getChild(tr1, 0).setPropertyString("width", "20px"); |
| DOM.getChild(tr2, 0).setPropertyInt("colSpan", 2); |
| headerParent = tr1; |
| } |
| |
| header = |
| new ComplexPanel() { |
| { |
| setElement((Element) (DOM.createTD())); |
| getElement().setInnerHTML(" "); |
| } |
| |
| @Override |
| public void add(Widget w) { |
| add(w, (Element) getElement()); |
| } |
| }; |
| |
| initWidget( |
| new ComplexPanel() { |
| { |
| final DisclosurePanel main = ComplexDisclosurePanel.this.main; |
| setElement((Element) (main.getElement())); |
| getChildren().add(main); |
| adopt(main); |
| |
| add(ComplexDisclosurePanel.this.header, headerParent); |
| } |
| }); |
| } |
| |
| public Panel getHeader() { |
| return header; |
| } |
| |
| public void setContent(Widget w) { |
| main.setContent(w); |
| } |
| |
| public Widget getContent() { |
| return main.getContent(); |
| } |
| |
| @Override |
| public HandlerRegistration addOpenHandler(OpenHandler<DisclosurePanel> h) { |
| return main.addOpenHandler(h); |
| } |
| |
| @Override |
| public HandlerRegistration addCloseHandler(CloseHandler<DisclosurePanel> h) { |
| return main.addCloseHandler(h); |
| } |
| |
| /** @return true if the panel's content is visible. */ |
| public boolean isOpen() { |
| return main.isOpen(); |
| } |
| |
| /** |
| * Changes the visible state of this panel's content. |
| * |
| * @param isOpen {@code true} to open, {@code false} to close |
| */ |
| public void setOpen(boolean isOpen) { |
| main.setOpen(isOpen); |
| } |
| } |