/**
* Save the properties of all renderers to the specified filename.
*
* @param propertyFilename String
*/
private static void saveReportProperties(String propertyFilename) {
Properties props = new Properties();
for (Renderer renderer : ReportManager.instance.allRenderers()) {
Map<PropertyDescriptor<?>, Object> valuesByProp =
renderer.getPropertiesByPropertyDescriptor();
for (Map.Entry<PropertyDescriptor<?>, Object> entry : valuesByProp.entrySet()) {
PropertyDescriptor desc = entry.getKey();
props.put(keyOf(renderer, desc), desc.asDelimitedString(entry.getValue()));
}
}
FileOutputStream fos = null;
try {
fos = new FileOutputStream(propertyFilename);
props.storeToXML(fos, "asdf");
} catch (Exception e) {
e.printStackTrace();
} finally {
IOUtil.closeQuietly(fos);
}
}
/**
* Load the properties for all renderers from the specified filename. Return whether we succeeded
* or not.
*
* @param propertyFilename String
* @return boolean
*/
private static boolean loadReportProperties(String propertyFilename) {
Properties props = new Properties();
FileInputStream fis = null;
try {
fis = new FileInputStream(propertyFilename);
props.loadFromXML(fis);
} catch (Exception e) {
return false;
} finally {
IOUtil.closeQuietly(fis);
}
for (Renderer renderer : ReportManager.instance.allRenderers()) {
for (PropertyDescriptor pDesc : renderer.getPropertyDescriptors()) {
String key = keyOf(renderer, pDesc);
if (props.containsKey(key)) {
Object value = pDesc.valueFrom((String) props.get(key));
renderer.setProperty(pDesc, value);
}
}
}
return true;
}
/** Only add a new widget row if there are any remaining choices to make */
@Override
protected boolean canAddNewRowFor(PropertyDescriptor<?> desc, PropertySource source) {
Object[] choices = desc.choices();
Object[] values = (Object[]) source.getProperty(desc);
return choices.length > values.length;
}
public boolean usesDefaultValues() {
List<PropertyDescriptor<?>> descriptors = getOverriddenPropertyDescriptors();
if (!descriptors.isEmpty()) {
return false;
}
for (PropertyDescriptor<?> desc : descriptors) {
if (!isSame(desc.defaultValue(), getProperty(desc))) {
return false;
}
}
if (!getRule().usesDefaultValues()) {
return false;
}
return true;
}
/**
* Derive a map key for the renderer, descriptor pair.
*
* @param renderer Renderer
* @param desc PropertyDescriptor<?>
* @return String
*/
private static String keyOf(Renderer renderer, PropertyDescriptor<?> desc) {
return renderer.getName() + "__" + desc.name();
}
