2 * Copyright 2012-2013 GRNET S.A. All rights reserved.
4 * Redistribution and use in source and binary forms, with or
5 * without modification, are permitted provided that the following
8 * 1. Redistributions of source code must retain the above
9 * copyright notice, this list of conditions and the following
12 * 2. Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following
14 * disclaimer in the documentation and/or other materials
15 * provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
24 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
30 * The views and conclusions contained in the software and
31 * documentation are those of the authors and should not be
32 * interpreted as representing official policies, either expressed
33 * or implied, of GRNET S.A.
36 package gr.grnet.pithos.web.client;
38 import com.google.gwt.event.logical.shared.CloseEvent;
39 import com.google.gwt.event.logical.shared.CloseHandler;
40 import com.google.gwt.event.logical.shared.OpenEvent;
41 import com.google.gwt.event.logical.shared.OpenHandler;
42 import com.google.gwt.resources.client.ClientBundle;
43 import com.google.gwt.resources.client.CssResource;
44 import com.google.gwt.resources.client.ImageResource;
45 import com.google.gwt.user.client.ui.*;
47 public class PithosDisclosurePanel extends Composite {
49 public interface Style extends CssResource {
50 String disclosurePanel();
59 public interface Resources extends ClientBundle {
60 @Source("PithosDisclosurePanel.css")
61 Style pithosDisclosurePanelCss();
63 @Source("upArrow.png")
66 @Source("upArrow.png")
69 @Source("downArrow.png")
70 ImageResource closed();
72 @Source("gr/grnet/pithos/resources/ajax-loader.gif")
73 ImageResource ajaxLoader();
76 private final DisclosurePanel panel;
77 private final Resources resources;
78 private final String title;
80 public PithosDisclosurePanel(final Resources _resources, final String title, boolean ajaxLoader, boolean open) {
83 this.resources = _resources;
84 resources.pithosDisclosurePanelCss().ensureInjected();
85 this.panel = new DisclosurePanel();
86 panel.addStyleName(resources.pithosDisclosurePanelCss().disclosurePanel());
87 panel.setHeader(createHeader(resources, title, ajaxLoader, open));
91 addOpenCloseHandlers();
97 private void addOpenCloseHandlers() {
98 panel.addOpenHandler(new OpenHandler<DisclosurePanel>() {
100 public void onOpen(OpenEvent<DisclosurePanel> event) {
101 panel.setHeader(createHeader(resources, title, false, true));
104 panel.addCloseHandler(new CloseHandler<DisclosurePanel>() {
107 public void onClose(CloseEvent<DisclosurePanel> event) {
108 panel.setHeader(createHeader(resources, title, false, false));
113 public void setLoaded(boolean open) {
114 this.panel.setHeader(createHeader(resources, title, false, open));
115 addOpenCloseHandlers();
118 Widget createHeader(Resources resources, String title, boolean ajaxLoader, boolean open) {
119 HorizontalPanel header = new HorizontalPanel();
121 Image img = new Image(resources.icon());
123 header.setCellVerticalAlignment(img, HasVerticalAlignment.ALIGN_MIDDLE);
124 header.setCellWidth(img, "32px");
125 HTML titleHtml = new HTML(title);
126 header.add(titleHtml);
127 header.setCellVerticalAlignment(titleHtml, HasVerticalAlignment.ALIGN_MIDDLE);
128 Image arrow = new Image(ajaxLoader ? resources.ajaxLoader() : open ? resources.open() : resources.closed());
129 arrow.addStyleName(resources.pithosDisclosurePanelCss().arrow());
131 header.setCellHorizontalAlignment(arrow, HasHorizontalAlignment.ALIGN_RIGHT);
132 header.setCellVerticalAlignment(arrow, HasVerticalAlignment.ALIGN_MIDDLE);
134 header.addStyleName(resources.pithosDisclosurePanelCss().header());
138 public void setContent(Widget widget) {
139 panel.setContent(widget);
140 panel.getContent().removeStyleName("content");
141 panel.getContent().addStyleName(resources.pithosDisclosurePanelCss().content());