/* ********************************************************************** **
** 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.bookmark;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.resource.LocalResourceManager;
import org.eclipse.jface.wizard.WizardPage;
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.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.rssowl.core.Owl;
import org.rssowl.core.internal.persist.pref.DefaultPreferences;
import org.rssowl.core.util.StringUtils;
import org.rssowl.core.util.URIUtils;
import org.rssowl.ui.internal.OwlUI;
import java.util.ArrayList;
import java.util.List;
/**
* @author bpasero
*/
public class KeywordSubscriptionPage extends WizardPage {
private static final String URL_INPUT_TOKEN = "[:]"; //$NON-NLS-1$
private static final String KEYWORD_FEED_EXTENSION_POINT = "org.rssowl.ui.KeywordFeed"; //$NON-NLS-1$
/* Base class for Search Engines */
static class SearchEngine {
private final String fId;
private final String fPluginId;
private final String fName;
private final String fIconPath;
private final String fUrl;
SearchEngine(String id, String pluginId, String name, String iconPath, String url) {
fId = id;
fPluginId = pluginId;
fName = name;
fIconPath = iconPath;
fUrl = url;
}
String getId() {
return fId;
}
String getPluginId() {
return fPluginId;
}
String getName() {
return fName;
}
String getLabel(String keywords) {
return NLS.bind(Messages.KeywordSubscriptionPage_N_ON_M, StringUtils.replaceAll(fName, "&", ""), keywords); //$NON-NLS-1$ //$NON-NLS-2$
}
String getIconPath() {
return fIconPath;
}
String toUrl(String keywords) {
keywords = URIUtils.urlEncode(keywords);
return StringUtils.replaceAll(fUrl, URL_INPUT_TOKEN, keywords);
}
}
private static final List<SearchEngine> fgSearchEngines = loadSearchEngines();
private SearchEngine fSelectedEngine;
/**
* @param pageName
*/
protected KeywordSubscriptionPage(String pageName) {
super(pageName, pageName, OwlUI.getImageDescriptor("icons/wizban/bkmrk_wiz.gif")); //$NON-NLS-1$
setMessage(Messages.KeywordSubscriptionPage_CREATE_BOOKMARK);
}
private static List<SearchEngine> loadSearchEngines() {
List<SearchEngine> engines = new ArrayList<SearchEngine>(5);
IExtensionRegistry reg = Platform.getExtensionRegistry();
IConfigurationElement elements[] = reg.getConfigurationElementsFor(KEYWORD_FEED_EXTENSION_POINT);
/* For each contributed property keyword feed */
for (IConfigurationElement element : elements) {
String id = element.getAttribute("id"); //$NON-NLS-1$
String name = element.getAttribute("name"); //$NON-NLS-1$
String iconPath = element.getAttribute("icon"); //$NON-NLS-1$
String url = element.getAttribute("url"); //$NON-NLS-1$
engines.add(new SearchEngine(id, element.getNamespaceIdentifier(), name, iconPath, url));
}
return engines;
}
/**
* @return Returns the currently selected SearchEngine.
*/
public SearchEngine getSelectedEngine() {
return fSelectedEngine;
}
/*
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*/
/*
* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
*/
public void createControl(Composite parent) {
Composite container = new Composite(parent, SWT.NONE);
container.setLayout(new GridLayout(1, false));
Label infoLabel = new Label(container, SWT.NONE);
infoLabel.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
infoLabel.setText(Messages.KeywordSubscriptionPage_SELECT_SEARCH_ENGINE);
Composite contentMargin = new Composite(container, SWT.NONE);
contentMargin.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
contentMargin.setLayout(new GridLayout(3, false));
((GridLayout) contentMargin.getLayout()).marginTop = 10;
((GridLayout) contentMargin.getLayout()).verticalSpacing = 20;
String lastKeywordFeedId = Owl.getPreferenceService().getGlobalScope().getString(DefaultPreferences.LAST_KEYWORD_FEED);
if (!StringUtils.isSet(lastKeywordFeedId))
lastKeywordFeedId = fgSearchEngines.get(0).getId();
for (final SearchEngine engine : fgSearchEngines) {
Button button = new Button(contentMargin, SWT.RADIO);
button.setText(engine.getName());
if (StringUtils.isSet(engine.getIconPath())) {
LocalResourceManager resources = new LocalResourceManager(JFaceResources.getResources(), button);
button.setImage(OwlUI.getImage(resources, OwlUI.getImageDescriptor(engine.getPluginId(), engine.getIconPath())));
}
button.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
fSelectedEngine = engine;
}
});
/* Pre-select last used engine */
if (lastKeywordFeedId.equals(engine.getId())) {
button.setSelection(true);
button.setFocus();
fSelectedEngine = engine;
}
}
Dialog.applyDialogFont(container);
setControl(container);
}
}