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package org.netbeans.modules.ruby.platform.gems;
import java.awt.Component;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.ListCellRenderer;
import javax.swing.plaf.UIResource;
import org.openide.util.NbBundle;
final class GemUISupport {
private GemUISupport() {
// forbid instances
}
/**
* Compound multi-line HTML description suitable of the given Gem.
*
* @param gem Gem to be described
* @return multi-line HTML description
*/
static String getGemHTMLDescriptionForTextPane(final Gem gem) {
StringBuilder sb = new StringBuilder();
sb.append("<html>"); // NOI18N
sb.append("<h2>"); // NOI18N
sb.append(gem.getName());
sb.append("</h2>\n"); // NOI18N
String installedAsString = gem.getInstalledVersionsAsString();
String availableAsString = gem.getAvailableVersionsAsString();
if (installedAsString != null && availableAsString != null) {
// It's an update gem
sb.append(h3(getMessage("GemUISupport.InstalledVersion")));
sb.append(installedAsString);
sb.append(h3(getMessage("GemUISupport.AvailableVersion")));
sb.append(availableAsString);
sb.append("<br>"); // NOI18N
} else {
sb.append("<h3>"); // NOI18N
String version = installedAsString;
if (version == null) {
version = availableAsString;
}
if (version.indexOf(',') == -1) {
sb.append(getMessage("GemUISupport.Version"));
} else {
sb.append(getMessage("GemUISupport.Versions"));
}
sb.append("</h3>"); // NOI18N
sb.append(version);
}
if (gem.getDescription() != null) {
sb.append(h3(getMessage("GemUISupport.Description")));
sb.append(gem.getHTMLDescription());
}
sb.append("</html>"); // NOI18N
return sb.toString();
}
private static String h3(final String text) {
return "<h3>" + text + "</h3>"; // NOI18N
}
/** {@link ListCellRenderer} for {@link Gem} instances. */
static class GemListRenderer extends JLabel implements ListCellRenderer, UIResource {
public GemListRenderer() {
setOpaque(true);
}
public Component getListCellRendererComponent(JList list, Object value,
int index, boolean isSelected, boolean cellHasFocus) {
// #93658: GTK needs name to render cell renderer "natively"
setName("ComboBox.listRenderer"); // NOI18N
if (isSelected) {
setBackground(list.getSelectionBackground());
setForeground(list.getSelectionForeground());
} else {
setBackground(list.getBackground());
setForeground(list.getForeground());
}
StringBuilder label = new StringBuilder(100);
Gem gem = ((Gem) value);
label.append("<html><b>"); // NOI18N
label.append(gem.getName());
label.append("</b>"); // NOI18N
if (gem.getInstalledVersionsAsString() != null) {
label.append(" ("); // NOI18N
label.append(gem.getInstalledVersionsAsString());
if (gem.getAvailableVersionsAsString() != null) {
label.append(" => ").append(gem.getAvailableVersionsAsString()); // NOI18N
}
label.append(") "); // NOI18N
}
if (gem.getDescription() != null) {
label.append(": "); // NOI18N
label.append(gem.getDescription());
}
label.append("</html>"); // NOI18N
setText(label.toString());
return this;
}
// #93658: GTK needs name to render cell renderer "natively"
public @Override String getName() {
String name = super.getName();
return name == null ? "ComboBox.renderer" : name; // NOI18N
}
}
private static String getMessage(String key) {
return NbBundle.getMessage(GemUISupport.class, key);
}
}