root / src / gr / grnet / pithos / web / client / MessagePanel.java @ 49a8183f
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/*
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* Copyright 2011-2013 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.core.client.GWT; |
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import com.google.gwt.event.dom.client.ClickEvent; |
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import com.google.gwt.event.dom.client.ClickHandler; |
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import com.google.gwt.resources.client.ClientBundle; |
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import com.google.gwt.resources.client.ImageResource; |
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import com.google.gwt.user.client.Window; |
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import com.google.gwt.user.client.ui.AbstractImagePrototype; |
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import com.google.gwt.user.client.ui.Composite; |
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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.SimplePanel; |
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import com.google.gwt.user.client.ui.VerticalPanel; |
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/**
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* A panel that displays various system messages.
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*/
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public class MessagePanel extends Composite { |
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/**
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* An image bundle for this widget's images.
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*/
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public interface Images extends ClientBundle { |
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@Source("gr/grnet/pithos/resources/messagebox_info.png") |
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ImageResource info(); |
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@Source("gr/grnet/pithos/resources/messagebox_warning.png") |
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ImageResource warn(); |
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@Source("gr/grnet/pithos/resources/messagebox_critical.png") |
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ImageResource error(); |
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} |
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/**
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* The widget's images.
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*/
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public static Images images; |
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/**
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* The system message to be displayed.
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*/
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private HTML message; |
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/**
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* The panel that contains the messages.
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*/
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private HorizontalPanel inner;
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/**
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* The panel that enables special effects for this widget.
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*/
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protected SimplePanel simplePanel;
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/**
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* A link to send feedBack about the error.
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*/
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private HTML feedbackLink; |
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Pithos app; |
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/**
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* The widget's constructor.
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*
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* @param newImages a bundle that provides the images for this widget
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*/
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public MessagePanel(Pithos _app, final Images newImages) { |
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app = _app; |
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images = newImages; |
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simplePanel = new SimplePanel();
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simplePanel.setStyleName("effectPanel");
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inner = new HorizontalPanel();
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inner.setStyleName("effectPanel-inner");
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inner.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER); |
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inner.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE); |
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message = new HTML(" "); |
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message.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) { |
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hideMessage(); |
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} |
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}); |
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inner.add(message); |
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inner.setCellVerticalAlignment(message, HasVerticalAlignment.ALIGN_MIDDLE); |
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VerticalPanel linkPanel = new VerticalPanel();
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linkPanel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER); |
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/**
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* A link to clear the displayed message.
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*/
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HTML clearMessageLink = new HTML("<a class='pithos-clearMessage' href='javascript:;'>Clear</a>"); |
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clearMessageLink.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) { |
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hideMessage(); |
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} |
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}); |
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linkPanel.add(clearMessageLink); |
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feedbackLink = new HTML("<a class='pithos-clearMessage' href='javascript:;'>Send feedback</a>"); |
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feedbackLink.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) { |
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new FeedbackDialog(app, app.getErrorData()).center();
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} |
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}); |
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feedbackLink.setVisible(false);
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linkPanel.add(feedbackLink); |
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inner.add(linkPanel); |
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simplePanel.add(inner); |
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initWidget(simplePanel); |
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} |
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/**
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* Display an error message.
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*
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* @param msg the message to display
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*/
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public void displayError(final String msg) { |
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GWT.log(msg, null);
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message.setHTML("<table class='pithos-errorMessage'><tr><td>" + AbstractImagePrototype.create(images.error()).getHTML() + "</td><td>" + msg + "</td></tr></table>"); |
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feedbackLink.setVisible(true);
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setVisible(true);
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} |
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/**
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* Display a warning message.
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*
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* @param msg the message to display
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*/
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public void displayWarning(final String msg) { |
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message.setHTML("<table class='pithos-warnMessage'><tr><td>" + AbstractImagePrototype.create(images.warn()).getHTML() + "</td><td>" + msg + "</td></tr></table>"); |
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feedbackLink.setVisible(false);
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setVisible(true);
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} |
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/**
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* Display an informational message.
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*
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* @param msg the message to display
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*/
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public void displayInformation(final String msg) { |
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message.setHTML("<table class='pithos-infoMessage'><tr><td>" + AbstractImagePrototype.create(images.info()).getHTML() + "</td><td>" + msg + "</td></tr></table>"); |
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feedbackLink.setVisible(false);
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setVisible(true);
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} |
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/**
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* Clear the displayed message and hide the panel.
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*/
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public void hideMessage() { |
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message = new HTML(" "); |
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this.setVisible(false); |
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app.onWindowResized(Window.getClientHeight());
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} |
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} |