root / src / gr / ebs / gss / client / MessagePanel.java @ bed4db0d
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/*
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* Copyright 2007, 2008, 2009 Electronic Business Systems Ltd.
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*
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* This file is part of GSS.
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*
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* GSS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GSS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GSS. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gr.ebs.gss.client; |
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import gr.ebs.gss.client.animation.FadeIn; |
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import gr.ebs.gss.client.animation.FadeOut; |
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import com.google.gwt.core.client.GWT; |
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import com.google.gwt.user.client.DOM; |
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import com.google.gwt.user.client.ui.AbstractImagePrototype; |
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import com.google.gwt.user.client.ui.ClickListener; |
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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.ImageBundle; |
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import com.google.gwt.user.client.ui.SimplePanel; |
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import com.google.gwt.user.client.ui.Widget; |
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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 ImageBundle { |
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@Resource("gr/ebs/gss/resources/messagebox_info.png") |
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AbstractImagePrototype info(); |
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@Resource("gr/ebs/gss/resources/messagebox_warning.png") |
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AbstractImagePrototype warn(); |
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@Resource("gr/ebs/gss/resources/messagebox_critical.png") |
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AbstractImagePrototype 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 = new HTML(" "); |
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/**
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* A link to clear the displayed message.
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*/
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private HTML clearMessageLink = new HTML("<a class='gss-clearMessage' href='javascript:;'>Clear</a>"); |
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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 = new HorizontalPanel(); |
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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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private SimplePanel simplePanel = new SimplePanel(); |
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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(final Images newImages) { |
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images = newImages; |
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buildPanel(); |
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simplePanel.setStyleName("effectPanel");
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inner.setStyleName("effectPanel-inner");
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DOM.setStyleAttribute(simplePanel.getElement(), "zoom", "1"); |
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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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* Build the panel that contains the icon, the message and the 'clear' link.
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*/
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private void buildPanel() { |
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inner.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER); |
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inner.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE); |
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inner.setSpacing(4);
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inner.add(message); |
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inner.add(clearMessageLink); |
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inner.setCellVerticalAlignment(message, HasVerticalAlignment.ALIGN_MIDDLE); |
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clearMessageLink.addClickListener(new ClickListener() {
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public void onClick(final Widget sender) { |
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FadeOut anim = new FadeOut(simplePanel){
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@Override
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protected void onComplete() { |
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super.onComplete();
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hideMessage(); |
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} |
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}; |
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anim.run(1000);
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} |
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}); |
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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 = new HTML("<table class='gss-errorMessage'><tr><td>" + images.error().getHTML() + "</td><td>" + msg + "</td></tr></table>"); |
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message.addClickListener(new ClickListener() {
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public void onClick(final Widget sender) { |
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FadeOut anim = new FadeOut(simplePanel){
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@Override
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protected void onComplete() { |
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super.onComplete();
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hideMessage(); |
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} |
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}; |
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anim.run(1000);
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} |
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}); |
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buildPanel(); |
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setVisible(true);
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FadeIn anim = new FadeIn(simplePanel);
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anim.run(1000);
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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 = new HTML("<table class='gss-warnMessage'><tr><td>" + images.warn().getHTML() + "</td><td>" + msg + "</td></tr></table>"); |
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message.addClickListener(new ClickListener() {
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public void onClick(final Widget sender) { |
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FadeOut anim = new FadeOut(simplePanel){
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@Override
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protected void onComplete() { |
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super.onComplete();
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hideMessage(); |
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} |
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}; |
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anim.run(1000);
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} |
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}); |
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buildPanel(); |
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setVisible(true);
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FadeIn anim = new FadeIn(simplePanel);
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anim.run(1000);
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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 = new HTML("<table class='gss-infoMessage'><tr><td>" + images.info().getHTML() + "</td><td>" + msg + "</td></tr></table>"); |
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message.addClickListener(new ClickListener() {
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public void onClick(final Widget sender) { |
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FadeOut anim = new FadeOut(simplePanel){
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@Override
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protected void onComplete() { |
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super.onComplete();
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hideMessage(); |
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} |
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}; |
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anim.run(1000);
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} |
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}); |
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buildPanel(); |
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setVisible(true);
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FadeIn anim = new FadeIn(simplePanel);
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anim.run(1000);
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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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inner.clear(); |
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message = new HTML(" "); |
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this.setVisible(false); |
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} |
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} |