package com.dubture.composer.ui.wizard.project.template;
import java.net.URL;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Map.Entry;
import org.eclipse.equinox.internal.p2.ui.discovery.wizards.AbstractDiscoveryItem;
import org.eclipse.equinox.internal.p2.ui.discovery.wizards.DiscoveryResources;
import org.eclipse.jface.layout.GridDataFactory;
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.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.browser.IWebBrowser;
import com.dubture.composer.core.log.Logger;
import com.dubture.composer.ui.ComposerUIPluginImages;
import com.dubture.getcomposer.core.ComposerPackage;
import com.dubture.getcomposer.core.MinimalPackage;
import com.dubture.getcomposer.core.RepositoryPackage;
import com.dubture.getcomposer.core.collection.Versions;
import com.dubture.getcomposer.core.entities.JsonValue;
import com.dubture.getcomposer.packages.AsyncPackagistDownloader;
import com.dubture.getcomposer.packages.PackageListenerInterface;
/**
*
* @author Robert Gruendler <r.gruendler@gmail.com>
*
*/
@SuppressWarnings("restriction")
public class PackagistItem extends AbstractDiscoveryItem<PackageFilterItem> {
private MinimalPackage item;
private Label nameLabel;
private Label description;
private Button downloadButton;
private final PackageFilterItem filterItem;
private Button favorButton;
private Combo versionCombo;
private boolean isLoadingVersions = false;
private List<PackageFilterChangedListener> listeners = new ArrayList<PackageFilterChangedListener>();
public PackagistItem(Composite parent, int style, DiscoveryResources resources, PackageFilterItem element) {
super(parent, style, resources, element);
this.filterItem = element;
this.item = element.getPackage();
createContent();
}
@Override
protected void refresh() {
}
private void createContent() {
GridLayout layout = new GridLayout(3, false);
layout.marginLeft = 7;
layout.marginTop = 2;
layout.marginBottom = 2;
setLayout(layout);
nameLabel = new Label(this, SWT.NONE);
GridDataFactory.fillDefaults().grab(true, false).span(3,1).align(SWT.BEGINNING, SWT.CENTER).applyTo(nameLabel);
nameLabel.setFont(resources.getSmallHeaderFont());
nameLabel.setText(item.getName());
description = new Label(this, SWT.NULL | SWT.WRAP);
GridDataFactory.fillDefaults().grab(true, false).span(3, 1)/*.indent(45, 0).hint(100, SWT.DEFAULT)*/.applyTo(description);
String descriptionText = item.getDescription();
int maxDescriptionLength = 162;
if (descriptionText == null) {
descriptionText = ""; //$NON-NLS-1$
}
if (descriptionText.length() > maxDescriptionLength) {
descriptionText = descriptionText.substring(0, maxDescriptionLength);
}
description.setText(descriptionText.replaceAll("(\\r\\n)|\\n|\\r", " ")); //$NON-NLS-1$ //$NON-NLS-2$
createStatsPart();
initializeListeners();
initState();
}
protected void initState() {
if (filterItem.isChecked()) {
setBackground(resources.getGradientEndColor());
if (filterItem.getVersions() != null) {
loadVersionsFromCache();
} else {
loadVersionCombo();
}
} else {
versionCombo.setVisible(false);
}
}
protected void createStatsPart() {
favorButton = new Button(this, SWT.PUSH);
favorButton.setToolTipText("Favorites on packagist.org");
favorButton.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false));
favorButton.setImage(ComposerUIPluginImages.STAR.createImage());
GridDataFactory.swtDefaults().align(SWT.CENTER, SWT.CENTER).span(1, 2).applyTo(favorButton);
downloadButton = new Button(this, SWT.TOGGLE);
downloadButton.setToolTipText("Select this package for your new project.");
if (filterItem.isChecked()) {
downloadButton.setSelection(true);
}
GridDataFactory.swtDefaults().align(SWT.BEGINNING, SWT.CENTER).span(1, 2).applyTo(downloadButton);
JsonValue downloads = item.get("downloads");
JsonValue favorites = item.get("favers");
if (downloads != null && favorites != null) {
Number number = downloads.getAsNumber();
DecimalFormat formatter = (DecimalFormat) NumberFormat.getInstance(new Locale("en_US"));
DecimalFormatSymbols symbols = formatter.getDecimalFormatSymbols();
symbols.setGroupingSeparator(' ');
downloadButton.setText(formatter.format(number));
downloadButton.setImage(ComposerUIPluginImages.DOWNLOAD.createImage());
favorButton.setText("" + favorites.getAsNumber());
}
versionCombo = new Combo(this, SWT.READ_ONLY);
GridDataFactory.fillDefaults().align(SWT.END, SWT.CENTER).span(1, 2).hint(200, SWT.DEFAULT).applyTo(versionCombo);
}
protected void initializeListeners() {
downloadButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
boolean selected = downloadButton.getSelection();
filterItem.setChecked(selected);
for (PackageFilterChangedListener listener : listeners) {
listener.filterChanged(filterItem);
}
}
});
favorButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
try {
final IWebBrowser browser = PlatformUI.getWorkbench().getBrowserSupport().createBrowser(null);
browser.openURL(new URL(item.getAsString("url")));
} catch (Exception e1) {
Logger.logException(e1);
}
}
});
versionCombo.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
filterItem.setSelectedVersion(versionCombo.getText());
for (PackageFilterChangedListener listener : listeners) {
listener.filterChanged(filterItem);
}
}
});
}
protected void loadVersionsFromCache() {
versionCombo.setItems(filterItem.getVersions());
versionCombo.select(0);
versionCombo.setVisible(true);
filterItem.setSelectedVersion(versionCombo.getText());
for (PackageFilterChangedListener listener : listeners) {
listener.filterChanged(filterItem);
}
}
protected void loadVersionCombo() {
versionCombo.setItems(new String[]{"Loading versions..."});
versionCombo.select(0);
AsyncPackagistDownloader dl = new AsyncPackagistDownloader();
dl.addPackageListener(new PackageListenerInterface() {
@Override
public void errorOccured(Exception e) {
isLoadingVersions = false;
}
@Override
public void aborted(String url) {
isLoadingVersions = false;
}
@Override
public void packageLoaded(RepositoryPackage repositoryPackage) {
Versions versions = repositoryPackage.getVersions();
final List<String> versionNames = new ArrayList<String>();
for (Entry<String, ComposerPackage> version : versions) {
versionNames.add(version.getValue().getVersion());
}
getDisplay().asyncExec(new Runnable() {
@Override
public void run() {
filterItem.setVersions(versionNames.toArray(new String[versionNames.size()]));
loadVersionsFromCache();
}
});
isLoadingVersions = false;
}
});
dl.loadPackage(item.getName());
isLoadingVersions = true;
}
public void addFilterChangedListener(PackageFilterChangedListener listener) {
if (!listeners.contains(listener)) {
listeners.add(listener);
}
}
}