protected ContentProvider(Object parent, IConfigurationElement origin) {
_origin = origin;
_parent = parent;
classifierName = origin.getAttribute("classifierName");
if (classifierName == null || classifierName.length() == 0)
throw new RuntimeException("ClassifierName is required");
packageURI = origin.getAttribute("packageURI");
if (packageURI == null || packageURI.length() == 0)
throw new RuntimeException("PackageURI is required");
IConfigurationElement[] configurationElements = origin.getChildren();
for (IConfigurationElement element : configurationElements) {
System.out.println("Initializing " + element.getName());
}
}
/**
* Parses registry element to extract mode and selection elements that will be used for
* verification.
*/
private void parseClasses(IConfigurationElement config) {
// Get enables for.
String enablesFor = config.getAttribute(IWorkbenchRegistryConstants.ATT_ENABLES_FOR);
if (enablesFor == null) {
enablesFor = "*"; // $NON-NLS-1$
}
if (enablesFor.equals("*")) { // $NON-NLS-1$
mode = ANY_NUMBER;
} else if (enablesFor.equals("?")) { // $NON-NLS-1$
mode = NONE_OR_ONE;
} else if (enablesFor.equals("!")) { // $NON-NLS-1$
mode = NONE;
} else if (enablesFor.equals("+")) { // $NON-NLS-1$
mode = ONE_OR_MORE;
} else if (enablesFor.equals("multiple") // $NON-NLS-1$
|| enablesFor.equals("2+")) { // $NON-NLS-1$
mode = MULTIPLE;
} else {
try {
mode = Integer.parseInt(enablesFor);
} catch (NumberFormatException e) {
mode = UNKNOWN;
}
}
// Get enablement block.
IConfigurationElement[] children =
config.getChildren(IWorkbenchRegistryConstants.TAG_ENABLEMENT);
if (children.length > 0) {
enablementExpression = new ActionExpression(children[0]);
return;
}
// Get selection block.
children = config.getChildren(IWorkbenchRegistryConstants.TAG_SELECTION);
if (children.length > 0) {
classes = new ArrayList();
for (int i = 0; i < children.length; i++) {
IConfigurationElement sel = children[i];
String cname = sel.getAttribute(IWorkbenchRegistryConstants.ATT_CLASS);
String name = sel.getAttribute(IWorkbenchRegistryConstants.ATT_NAME);
SelectionClass sclass = new SelectionClass();
sclass.className = cname;
sclass.nameFilter = name;
classes.add(sclass);
}
}
}
/**
* {@inheritDoc} The <code>WorkbenchPart</code> implementation of this <code>IExecutableExtension
* </code> records the configuration element in and internal state variable (accessible via <code>
* getConfigElement</code>). It also loads the title image, if one is specified in the
* configuration element. Subclasses may extend.
*
* <p>Should not be called by clients. It is called by the core plugin when creating this
* executable extension.
*/
public void setInitializationData(IConfigurationElement cfig, String propertyName, Object data) {
// Save config element.
configElement = cfig;
// Part name and title.
partName = Util.safeString(cfig.getAttribute("name")); // $NON-NLS-1$;
title = partName;
// Icon.
String strIcon = cfig.getAttribute("icon"); // $NON-NLS-1$
if (strIcon == null) {
return;
}
imageDescriptor =
AbstractUIPlugin.imageDescriptorFromPlugin(configElement.getNamespace(), strIcon);
if (imageDescriptor == null) {
return;
}
titleImage = JFaceResources.getResources().createImageWithDefault(imageDescriptor);
}