Mercurial > hg > release > thermostat-0.6
view client/swing/src/main/java/com/redhat/thermostat/client/swing/internal/views/SummaryPanel.java @ 973:2bab65a9bc4c
Don't display placeholder values in UI
Reviewed-by: neugens
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-February/005676.html
PR 1310
author | Omair Majid <omajid@redhat.com> |
---|---|
date | Thu, 14 Feb 2013 15:07:59 -0500 |
parents | ccac9bcabaa0 |
children |
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/* * Copyright 2012, 2013 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.client.swing.internal.views; import java.awt.Component; import java.util.ArrayList; import java.util.List; import javax.swing.AbstractListModel; import javax.swing.GroupLayout; import javax.swing.GroupLayout.Alignment; import javax.swing.JLabel; import javax.swing.JList; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.LayoutStyle.ComponentPlacement; import javax.swing.ListModel; import javax.swing.SwingUtilities; import javax.swing.text.JTextComponent; import com.redhat.thermostat.client.core.views.SummaryView; import com.redhat.thermostat.client.locale.LocaleResources; import com.redhat.thermostat.client.swing.ComponentVisibleListener; import com.redhat.thermostat.client.swing.SwingComponent; import com.redhat.thermostat.client.swing.components.SectionHeader; import com.redhat.thermostat.client.swing.components.ValueField; import com.redhat.thermostat.common.ActionListener; import com.redhat.thermostat.common.locale.Translate; public class SummaryPanel extends SummaryView implements SwingComponent { private static final Translate<LocaleResources> translator = LocaleResources.createLocalizer(); private JPanel visiblePanel; private final JTextComponent totalMonitoredHosts; private final JTextComponent totalMonitoredVms; private final List<String> issuesList; public SummaryPanel() { super(); visiblePanel = new JPanel(); JLabel lblHomepanel = new SectionHeader(translator.localize(LocaleResources.HOME_PANEL_SECTION_SUMMARY)); JLabel lblTotalHosts = new JLabel(translator.localize(LocaleResources.HOME_PANEL_TOTAL_MACHINES)); totalMonitoredHosts = new ValueField(""); JLabel lblTotal = new JLabel(translator.localize(LocaleResources.HOME_PANEL_TOTAL_JVMS)); totalMonitoredVms = new ValueField(""); JLabel lblIssues = new SectionHeader(translator.localize(LocaleResources.HOME_PANEL_SECTION_ISSUES)); JScrollPane scrollPane = new JScrollPane(); GroupLayout groupLayout = new GroupLayout(visiblePanel); groupLayout.setHorizontalGroup( groupLayout.createParallelGroup(Alignment.TRAILING) .addGroup(groupLayout.createSequentialGroup() .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addGroup(groupLayout.createSequentialGroup() .addContainerGap() .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addComponent(lblHomepanel) .addGroup(groupLayout.createSequentialGroup() .addGap(12) .addGroup(groupLayout.createParallelGroup(Alignment.TRAILING) .addComponent(lblTotal) .addComponent(lblTotalHosts)) .addGap(18) .addGroup(groupLayout.createParallelGroup(Alignment.LEADING) .addComponent(totalMonitoredVms, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addComponent(totalMonitoredHosts, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))) .addComponent(lblIssues))) .addGroup(groupLayout.createSequentialGroup() .addGap(24) .addComponent(scrollPane, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))) .addContainerGap()) ); groupLayout.setVerticalGroup( groupLayout.createParallelGroup(Alignment.LEADING) .addGroup(groupLayout.createSequentialGroup() .addContainerGap() .addComponent(lblHomepanel) .addPreferredGap(ComponentPlacement.RELATED) .addGroup(groupLayout.createParallelGroup(Alignment.BASELINE) .addComponent(lblTotalHosts) .addComponent(totalMonitoredHosts, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE)) .addPreferredGap(ComponentPlacement.RELATED) .addGroup(groupLayout.createParallelGroup(Alignment.BASELINE) .addComponent(lblTotal) .addComponent(totalMonitoredVms, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)) .addGap(18) .addComponent(lblIssues) .addPreferredGap(ComponentPlacement.RELATED) .addComponent(scrollPane, GroupLayout.DEFAULT_SIZE, GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) .addContainerGap()) ); issuesList = new ArrayList<>(); ListModel<Object> issuesListModel = new IssuesListModel(issuesList); JList<Object> issuesList = new JList<>(); issuesList.setModel(issuesListModel); scrollPane.setViewportView(issuesList); visiblePanel.setLayout(groupLayout); visiblePanel.addHierarchyListener(new ComponentVisibleListener() { @Override public void componentShown(Component component) { notifier.fireAction(Action.VISIBLE); } @Override public void componentHidden(Component component) { notifier.fireAction(Action.HIDDEN); } }); } @Override public void addActionListener(ActionListener<Action> listener) { notifier.addActionListener(listener); } @Override public void removeActionListener(ActionListener<Action> listener) { notifier.removeActionListener(listener); } @Override public void setTotalHosts(final String count) { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { totalMonitoredHosts.setText(count); } }); } @Override public void setTotalVms(final String count) { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { totalMonitoredVms.setText(count); } }); } @Override public Component getUiComponent() { return visiblePanel; } private static class IssuesListModel extends AbstractListModel<Object> { private static final long serialVersionUID = 7131506292620902850L; private List<? extends Object> delegate; private String emptyElement = translator.localize(LocaleResources.HOME_PANEL_NO_ISSUES); public IssuesListModel(List<? extends Object> actualList) { this.delegate = actualList; // TODO observe the delegate for changes } @Override public int getSize() { if (delegate.isEmpty()) { return 1; } return delegate.size(); } @Override public Object getElementAt(int index) { if (delegate.isEmpty()) { return emptyElement; } return delegate.get(index); } } }