root / src / gr / grnet / pithos / web / client / PithosDisclosurePanel.java @ d4ace10a
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/*
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* Copyright 2012-2013 GRNET S.A. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and
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* documentation are those of the authors and should not be
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* interpreted as representing official policies, either expressed
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* or implied, of GRNET S.A.
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*/
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package gr.grnet.pithos.web.client; |
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import com.google.gwt.event.logical.shared.CloseEvent; |
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import com.google.gwt.event.logical.shared.CloseHandler; |
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import com.google.gwt.event.logical.shared.OpenEvent; |
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import com.google.gwt.event.logical.shared.OpenHandler; |
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import com.google.gwt.resources.client.ClientBundle; |
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import com.google.gwt.resources.client.CssResource; |
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import com.google.gwt.resources.client.ImageResource; |
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import com.google.gwt.user.client.ui.Composite; |
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import com.google.gwt.user.client.ui.DisclosurePanel; |
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import com.google.gwt.user.client.ui.HTML; |
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import com.google.gwt.user.client.ui.HasHorizontalAlignment; |
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import com.google.gwt.user.client.ui.HasVerticalAlignment; |
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import com.google.gwt.user.client.ui.HorizontalPanel; |
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import com.google.gwt.user.client.ui.Image; |
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import com.google.gwt.user.client.ui.Widget; |
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public class PithosDisclosurePanel extends Composite { |
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public interface Style extends CssResource { |
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String disclosurePanel();
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String header();
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String arrow();
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String content();
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} |
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public interface Resources extends ClientBundle { |
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@Source("PithosDisclosurePanel.css") |
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Style pithosDisclosurePanelCss();
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@Source("upArrow.png") |
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ImageResource icon(); |
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@Source("upArrow.png") |
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ImageResource open(); |
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@Source("downArrow.png") |
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ImageResource closed(); |
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@Source("gr/grnet/pithos/resources/ajax-loader.gif") |
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ImageResource ajaxLoader(); |
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} |
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DisclosurePanel panel; |
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Resources resources; |
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final boolean ajaxLoader; |
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public PithosDisclosurePanel(final Resources _resources, final String title, boolean open) { |
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this(_resources, title, open, false); |
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} |
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public PithosDisclosurePanel(final Resources _resources, final String title, boolean open, boolean ajaxLoader) { |
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this.ajaxLoader = ajaxLoader;
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resources = _resources; |
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resources.pithosDisclosurePanelCss().ensureInjected(); |
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panel = new DisclosurePanel();
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panel.addStyleName(resources.pithosDisclosurePanelCss().disclosurePanel()); |
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panel.setHeader(createHeader(resources, title, open)); |
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panel.setOpen(open); |
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panel.addOpenHandler(new OpenHandler<DisclosurePanel>() {
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@Override
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public void onOpen(OpenEvent<DisclosurePanel> event) { |
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panel.setHeader(createHeader(resources, title, true));
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} |
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}); |
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panel.addCloseHandler(new CloseHandler<DisclosurePanel>() {
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@Override
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public void onClose(CloseEvent<DisclosurePanel> event) { |
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panel.setHeader(createHeader(resources, title, false));
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} |
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}); |
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initWidget(panel); |
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} |
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Widget createHeader(Resources resources, String title, boolean open) { |
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HorizontalPanel header = new HorizontalPanel();
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Image img = new Image(resources.icon()); |
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header.add(img); |
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if(ajaxLoader) {
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final Image alImg = new Image(resources.ajaxLoader()); |
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header.add(alImg); |
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} |
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header.setCellVerticalAlignment(img, HasVerticalAlignment.ALIGN_MIDDLE); |
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header.setCellWidth(img, "32px");
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HTML titleHtml = new HTML(title); |
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header.add(titleHtml); |
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header.setCellVerticalAlignment(titleHtml, HasVerticalAlignment.ALIGN_MIDDLE); |
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Image arrow = new Image(open ? resources.open() : resources.closed()); |
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arrow.addStyleName(resources.pithosDisclosurePanelCss().arrow()); |
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header.add(arrow); |
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header.setCellHorizontalAlignment(arrow, HasHorizontalAlignment.ALIGN_RIGHT); |
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header.setCellVerticalAlignment(arrow, HasVerticalAlignment.ALIGN_MIDDLE); |
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header.addStyleName(resources.pithosDisclosurePanelCss().header()); |
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return header;
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} |
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public void setContent(Widget widget) { |
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panel.setContent(widget); |
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panel.getContent().removeStyleName("content");
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panel.getContent().addStyleName(resources.pithosDisclosurePanelCss().content()); |
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} |
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} |