/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2009 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** All rights reserved **
** **
** This program and the accompanying materials are made available under **
** the terms of the Eclipse Public License v1.0 which accompanies this **
** distribution, and is available at: **
** http://www.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.ui.internal.dialogs.properties;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.rssowl.core.persist.IBookMark;
import org.rssowl.core.persist.IEntity;
import org.rssowl.core.persist.IFeed;
import org.rssowl.core.persist.INews;
import org.rssowl.core.util.StringUtils;
import org.rssowl.core.util.URIUtils;
import org.rssowl.ui.dialogs.properties.IEntityPropertyPage;
import org.rssowl.ui.dialogs.properties.IPropertyDialogSite;
import org.rssowl.ui.internal.Activator;
import org.rssowl.ui.internal.Controller;
import org.rssowl.ui.internal.OwlUI;
import org.rssowl.ui.internal.actions.OpenInBrowserAction;
import org.rssowl.ui.internal.util.JobRunner;
import org.rssowl.ui.internal.util.LayoutUtils;
import org.rssowl.ui.internal.util.UIBackgroundJob;
import java.net.URI;
import java.net.URISyntaxException;
import java.text.DateFormat;
import java.util.List;
import java.util.Set;
/**
* Information about selected Entities.
*
* @author bpasero
*/
public class InformationPropertyPage implements IEntityPropertyPage {
private List<IEntity> fEntities;
private final DateFormat fDateFormat = OwlUI.getShortDateFormat();
private boolean fInfoComputed = false;
private Composite fContainer;
private Label fDescriptionLabel;
private Link fHomepageLink;
/*
* @see org.rssowl.ui.dialogs.properties.IEntityPropertyPage#init(org.rssowl.ui.dialogs.properties.IPropertyDialogSite, java.util.List)
*/
public void init(IPropertyDialogSite site, List<IEntity> entities) {
Assert.isTrue(!entities.isEmpty());
fEntities = entities;
}
/*
* @see org.rssowl.ui.dialogs.properties.IEntityPropertyPage#createContents(org.eclipse.swt.widgets.Composite)
*/
public Control createContents(Composite parent) {
fContainer = new Composite(parent, SWT.NONE);
fContainer.setLayout(LayoutUtils.createGridLayout(2, 10, 10));
/* Status */
createLabel(fContainer, Messages.InformationPropertyPage_STATUS, true);
final IBookMark bm = (IBookMark) fEntities.get(0);
String message;
/* Error Loading */
if (bm.isErrorLoading()) {
message = (String) bm.getProperty(Controller.LOAD_ERROR_KEY);
if (!StringUtils.isSet(message))
message = Messages.InformationPropertyPage_LOAD_FAILED_UNKNOWN;
else
message = NLS.bind(Messages.InformationPropertyPage_LOAD_FAILED_REASON, message);
}
/* Never Loaded */
else if (bm.getMostRecentNewsDate() == null)
message = Messages.InformationPropertyPage_NOT_LOADED;
/* Successfully Loaded */
else
message = Messages.InformationPropertyPage_LOADED_OK;
Label msgLabel = new Label(fContainer, SWT.WRAP);
msgLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
((GridData) msgLabel.getLayoutData()).widthHint = 300;
msgLabel.setText(message);
/* Link to Feedvalidator in case of an error */
if (bm.isErrorLoading()) {
new Label(fContainer, SWT.None);
Link validateLink = new Link(fContainer, SWT.None);
validateLink.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING, false, false));
validateLink.setText(Messages.InformationPropertyPage_FIND_OUT_MORE);
validateLink.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
try {
URI uri = new URI("http://www.feedvalidator.org/check.cgi?url=" + URIUtils.urlEncode(bm.getFeedLinkReference().getLinkAsText())); //$NON-NLS-1$
OpenInBrowserAction action = new OpenInBrowserAction();
action.selectionChanged(null, new StructuredSelection(uri));
action.run();
} catch (URISyntaxException ex) {
Activator.safeLogError(ex.getMessage(), ex);
}
}
});
}
/* Feed: Description */
createLabel(fContainer, Messages.InformationPropertyPage_DESCRIPTION, true);
fDescriptionLabel = new Label(fContainer, SWT.WRAP);
fDescriptionLabel.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
((GridData) fDescriptionLabel.getLayoutData()).widthHint = 300;
/* Feed: Homepage */
createLabel(fContainer, Messages.InformationPropertyPage_HOMEPAGE, true);
fHomepageLink = new Link(fContainer, SWT.NONE);
fHomepageLink.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
/* Created */
if (bm.getCreationDate() != null) {
createLabel(fContainer, Messages.InformationPropertyPage_CREATED, true);
createLabel(fContainer, fDateFormat.format(bm.getCreationDate()), false);
}
/* Last Visited */
createLabel(fContainer, Messages.InformationPropertyPage_LAST_VISITED, true);
if (bm.getLastVisitDate() != null)
createLabel(fContainer, fDateFormat.format(bm.getLastVisitDate()), false);
else
createLabel(fContainer, Messages.InformationPropertyPage_NEVER, false);
/* News Count */
createLabel(fContainer, Messages.InformationPropertyPage_NEWS_COUNT, true);
return fContainer;
}
/*
* @see org.rssowl.ui.dialogs.properties.IEntityPropertyPage#getImage()
*/
public ImageDescriptor getImage() {
if (!fEntities.isEmpty() && ((IBookMark) fEntities.get(0)).isErrorLoading())
return OwlUI.getImageDescriptor("icons/ovr16/error.gif"); //$NON-NLS-1$
return null;
}
private void createLabel(Composite parent, String text, boolean bold) {
Label label = new Label(parent, SWT.None);
label.setText(text);
label.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING, false, false));
if (bold)
label.setFont(OwlUI.getBold(JFaceResources.DIALOG_FONT));
}
/*
* @see org.rssowl.ui.dialogs.properties.IEntityPropertyPage#finish()
*/
public void finish() {}
/*
* @see org.rssowl.ui.dialogs.properties.IEntityPropertyPage#performOk(java.util.Set)
*/
public boolean performOk(Set<IEntity> entitiesToSave) {
return true;
}
/*
* @see org.rssowl.ui.dialogs.properties.IEntityPropertyPage#setFocus()
*/
public void setFocus() {
if (!fInfoComputed) {
fInfoComputed = true;
/* Load from Background */
JobRunner.runUIUpdater(new UIBackgroundJob(fContainer) {
private String description;
private URI homepage;
private int totalCount;
private int newCount;
private int unreadCount;
private int updatedCount;
@Override
protected void runInBackground(IProgressMonitor monitor) {
IBookMark bm = (IBookMark) fEntities.get(0);
IFeed feed = bm.getFeedLinkReference().resolve();
if (feed != null) {
description = StringUtils.stripTags(feed.getDescription(), true);
homepage = feed.getHomepage();
}
/* News Counts */
List<INews> news = bm.getNews(INews.State.getVisible());
totalCount = news.size();
for (INews newsitem : news) {
switch (newsitem.getState()) {
case NEW:
newCount++;
break;
case UNREAD:
unreadCount++;
break;
case UPDATED:
updatedCount++;
break;
}
}
}
@Override
protected void runInUI(IProgressMonitor monitor) {
/* Description */
fDescriptionLabel.setText(StringUtils.isSet(description) ? description : Messages.InformationPropertyPage_NONE);
/* Homepage */
fHomepageLink.setText(homepage != null ? "<a>" + homepage.toString() + "</a>" : Messages.InformationPropertyPage_NONE); //$NON-NLS-1$ //$NON-NLS-2$
if (homepage != null) {
fHomepageLink.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
OpenInBrowserAction action = new OpenInBrowserAction();
action.selectionChanged(null, new StructuredSelection(homepage));
action.run();
}
});
}
/* News Count */
if (newCount != 0 && unreadCount != 0 && updatedCount != 0)
createLabel(fContainer, NLS.bind(Messages.InformationPropertyPage_N_NEW_UNREAD_UPDATED, new Object[] { totalCount, newCount, unreadCount, updatedCount }), false);
else if (newCount != 0 && unreadCount != 0)
createLabel(fContainer, NLS.bind(Messages.InformationPropertyPage_N_NEW_UNREAD, new Object[] { totalCount, newCount, unreadCount }), false);
else if (unreadCount != 0 && updatedCount != 0)
createLabel(fContainer, NLS.bind(Messages.InformationPropertyPage_N_UNREAD_UPDATED, new Object[] { totalCount, unreadCount, updatedCount }), false);
else if (newCount != 0 && updatedCount != 0)
createLabel(fContainer, NLS.bind(Messages.InformationPropertyPage_N_NEW_UPDATED, new Object[] { totalCount, newCount, updatedCount }), false);
else if (newCount != 0)
createLabel(fContainer, NLS.bind(Messages.InformationPropertyPage_N_NEW, new Object[] { totalCount, newCount }), false);
else if (unreadCount != 0)
createLabel(fContainer, NLS.bind(Messages.InformationPropertyPage_N_UNREAD, new Object[] { totalCount, unreadCount }), false);
else if (updatedCount != 0)
createLabel(fContainer, NLS.bind(Messages.InformationPropertyPage_N_UPDATED, new Object[] { totalCount, updatedCount }), false);
else
createLabel(fContainer, String.valueOf(totalCount), false);
/* Update Layout */
fContainer.layout(true, true);
}
});
}
}
}