/**
* Returns the package of the specified completion.
*
* @param c The completion.
* @param desc The description text being parsed. Used for errors if we cannot determine the
* package.
* @return The package.
*/
private String getPackage(Completion c, String desc) {
String pkg = null;
if (c instanceof JSClassCompletion) {
pkg = ((JSClassCompletion) c).getPackageName();
}
if (c instanceof JSCompletion) {
String definedIn = ((JSCompletion) c).getEnclosingClassName(true);
if (definedIn != null) {
int lastDot = definedIn.lastIndexOf('.');
if (lastDot > -1) {
pkg = definedIn.substring(0, lastDot);
}
}
} else {
Logger.logError(
"Can't determine package from completion type: "
+ c.getClass()
+ " ("
+ c.toString()
+ ") - href: "
+ desc);
}
return pkg;
}
protected void paintComponent(Graphics g) {
// Set up rendering hints to look as close to native as possible
Graphics2D g2d = (Graphics2D) g;
Object old = null;
// First, try to use the rendering hint set that is "native".
Map hints = (Map) getToolkit().getDesktopProperty("awt.font.desktophints");
if (hints != null) {
old = g2d.getRenderingHints();
g2d.addRenderingHints(hints);
}
// If a "native" set isn't found, just turn on standard text AA.
else {
old = g2d.getRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING);
g2d.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
}
// if (jsc!=null) {
// setText(null); // Stop "Foobar" from being painted
// }
// We never paint "selection" around the icon, to imitate Eclipse
final int iconW = 18;
int h = getHeight();
if (!selected) {
g.setColor(getBackground());
g.fillRect(0, 0, getWidth(), h);
} else {
g.setColor(altBG != null && evenRow ? altBG : list.getBackground());
g.fillRect(0, 0, iconW, h);
g.setColor(getBackground()); // Selection color
g.fillRect(iconW, 0, getWidth() - iconW, h);
}
if (getIcon() != null) {
int y = (h - getIcon().getIconHeight()) / 2;
getIcon().paintIcon(this, g, 0, y);
}
int x = getX() + iconW + 2;
g.setColor(selected ? list.getSelectionForeground() : list.getForeground());
if (jsc != null && !simpleText) {
jsc.rendererText(g, x, g.getFontMetrics().getHeight(), selected);
} else {
Completion c = jsc != null ? (Completion) jsc : nonJavaCompletion;
if (c != null) {
g.drawString(c.toString(), x, g.getFontMetrics().getHeight());
}
}
// Restore rendering hints appropriately.
if (hints != null) {
g2d.addRenderingHints((Map) old);
} else {
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, old);
}
}
/**
* Returns the class for a completion (class completions return the class itself, member
* completions return the enclosing class).
*/
private String getClass(Completion c, String desc) {
String clazz = null;
if (c instanceof JSClassCompletion) {
clazz = ((JSClassCompletion) c).getClassName(true);
} else if (c instanceof JSCompletion) {
JSCompletion jsc = (JSCompletion) c;
clazz = jsc.getEnclosingClassName(true);
} else {
Logger.logError(
"Can't determine class from completion type: "
+ c.getClass()
+ " ("
+ c.toString()
+ ") - href: "
+ desc);
}
return clazz;
}
/** {@inheritDoc} */
public void urlClicked(HyperlinkEvent e, Completion c, DescWindowCallback callback) {
// A "real" URL (starts with http://, for example) should be opened
// in the system browser, not the completion description window.
URL url = e.getURL();
if (url != null) {
// Try loading in external browser (Java 6+ only).
try {
Util.browse(new URI(url.toString()));
} catch (/*IO*/ URISyntaxException ioe) {
UIManager.getLookAndFeel().provideErrorFeedback(null);
ioe.printStackTrace();
}
return;
}
// A relative path URL (no leading "http://") results in a null URL.
// Class should be in the same package as the one we're currently
// viewing. Example: java.lang.String class documentation
String desc = e.getDescription();
Logger.log(desc);
if (desc != null) {
if (isRelativeUrl(desc)) {
int ext = desc.indexOf(".htm");
if (ext > -1) {
// Could be <a href="Character.html#section"> link. A
// popular href format is "../../util/Formatter.html#syntax".
// We must determine "relative" package location.
String anchor = getAnchor(desc);
String clazz = desc.substring(0, ext);
int backups = 0;
while (clazz.startsWith("../")) {
backups++;
clazz = clazz.substring(3);
}
clazz = clazz.replace('/', '.');
String pkg = getPackage(c, desc);
if (pkg != null) {
clazz = doBackups(pkg, backups) + "." + clazz;
JavaScriptLanguageSupport jls = getJavaScriptLanguageSupport();
ClassFile cf = jls.getJarManager().getClassEntry(clazz);
if (cf != null) {
JSClassCompletion cc = new JSClassCompletion(c.getProvider(), cf);
callback.showSummaryFor(cc, anchor);
}
}
}
}
// Could be format "com.mycompany.pkg.MyClass", with optional
// #method() (for example, @see's).
else {
JavaScriptLanguageSupport jls = getJavaScriptLanguageSupport();
String clazz = desc;
String member = null;
int pound = desc.indexOf('#');
if (pound > -1) { // TODO: Handle properly
member = clazz.substring(pound + 1);
clazz = clazz.substring(0, pound);
}
// Just a class name, i.e. "String", "java.util.regex.Pattern".
if (member == null) {
boolean guessedPackage = false;
if (clazz.indexOf('.') == -1) {
String pkg = getPackage(c, desc);
if (pkg != null) {
clazz = pkg + "." + clazz;
}
guessedPackage = true;
}
ClassFile cf = jls.getJarManager().getClassEntry(clazz);
if (cf == null && guessedPackage) {
// Wasn't in the same package as "c", try java.lang
int lastDot = clazz.lastIndexOf('.');
clazz = "java.lang." + clazz.substring(lastDot + 1);
cf = jls.getJarManager().getClassEntry(clazz);
}
if (cf != null) {
JSClassCompletion cc = new JSClassCompletion(c.getProvider(), cf);
callback.showSummaryFor(cc, null);
} else {
UIManager.getLookAndFeel().provideErrorFeedback(null);
Logger.log("Unknown class: " + clazz);
}
}
// Member specified, such as "String#format(...)",
// "java.util.regex.Pattern.compile(...)", or "#method()".
else {
boolean guessedPackage = false;
if (pound == 0) { // Member of this class (i.e. "#foobar(bas)")
// "clazz" was incorrect previously in this case
clazz = getClass(c, desc);
} else { // i.e. "String#CASE_INSENSITIVE_ORDER"
// If no package specified, assume clazz is in the same
// package as the currently displayed completion.
if (clazz.indexOf('.') == -1) {
String pkg = getPackage(c, desc);
if (pkg != null) {
clazz = pkg + "." + clazz;
}
guessedPackage = true;
}
}
ClassFile cf = clazz != null ? jls.getJarManager().getClassEntry(clazz) : null;
if (cf == null && guessedPackage) {
// Wasn't in the same package as "c", try java.lang
int lastDot = clazz.lastIndexOf('.');
clazz = "java.lang." + clazz.substring(lastDot + 1);
cf = jls.getJarManager().getClassEntry(clazz);
}
if (cf != null) {
Completion memberCompletion = null;
int lparen = member.indexOf('(');
if (lparen == -1) { // A field, or method with args omitted
FieldInfo fi = cf.getFieldInfoByName(member);
if (fi != null) { // Try fields first, it's most likely
memberCompletion = new JSFieldCompletion(c.getProvider(), fi);
} else { // Try methods second
List miList = cf.getMethodInfoByName(member, -1);
if (miList != null && miList.size() > 0) {
MethodInfo mi = (MethodInfo) miList.get(0); // Just show the first if multiple
memberCompletion = new JSFunctionCompletion(c.getProvider(), mi);
}
}
} else {
String[] args = getArgs(member);
String methodName = member.substring(0, lparen);
List miList = cf.getMethodInfoByName(methodName, args.length);
if (miList != null && miList.size() > 0) {
if (miList.size() > 1) {
// TODO: Pick correct overload based on args
Logger.log("Multiple overload support not yet implemented");
} else {
MethodInfo mi = (MethodInfo) miList.get(0);
memberCompletion = new JSFunctionCompletion(c.getProvider(), mi);
}
}
}
if (memberCompletion != null) {
callback.showSummaryFor(memberCompletion, null);
}
} else {
UIManager.getLookAndFeel().provideErrorFeedback(null);
Logger.logError("Unknown class: " + clazz + " (href: " + desc + ")");
}
}
}
}
}