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/*
* generated by Xtext
*/
package org.eclipse.e4.ui.contentassist;
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.RegistryFactory;
import org.eclipse.e4.cSS.selector;
import org.eclipse.e4.cSS.impl.RulesImpl;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.xtext.RuleCall;
import org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext;
import org.eclipse.xtext.ui.editor.contentassist.ICompletionProposalAcceptor;
/**
* see http://www.eclipse.org/Xtext/documentation/latest/xtext.html#contentAssist on how to customize content assistant
*/
public class CSSProposalProvider extends AbstractCSSProposalProvider {
String[] completions;
boolean init = false;
void init() {
IExtensionRegistry registry = RegistryFactory.getRegistry();
IExtensionPoint extPoint = registry
.getExtensionPoint("org.eclipse.e4.ui.css.core.propertyHandler");
ArrayList<IConfigurationElement> matchingElements = new ArrayList<IConfigurationElement>();
ArrayList<IConfigurationElement> controlAdapters = new ArrayList<IConfigurationElement>();
for (IExtension e : extPoint.getExtensions()) {
IConfigurationElement[] elements = e.getConfigurationElements();
for (int i = 0; i < elements.length; i++) {
IConfigurationElement element = elements[i];
controlAdapters.add(element);
IConfigurationElement[] child = element.getChildren("property-name");
for (int j = 0; j < child.length; j++) {
matchingElements.add(child[j]);
}
}
}
completions = new String[matchingElements.size()];
Iterator iter = matchingElements.iterator();
int counter = 0;
while (iter.hasNext()) {
IConfigurationElement type = (IConfigurationElement) iter.next();
completions[counter] = type.getAttribute("name");
counter++;
}
// engine = WidgetElement.getEngine(Display.getCurrent());
init = true;
// for (IExtension e : extPoint.getExtensions()) {
// for (IConfigurationElement ce : getPlatformMatches(e
// .getConfigurationElements())) {
// if (ce.getName().equals("theme")) {
}
@Override
public void complete_declaration(EObject model, RuleCall ruleCall,
ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
if (!init) init();
// DocumentCSS doc = engine.getDocumentCSS();
// StyleSheetList sslist = doc.getStyleSheets();
// for (int i = 0; i < sslist.getLength(); i++) {
// StyleSheet ss = sslist.item(i);
// }
// ViewCSS view = engine.getViewCSS();
RulesImpl test = (RulesImpl) model;
EList<selector> sel = test.getSelectors();
String[] calCompletions = null;
// for (Iterator iterator = sel.iterator(); iterator.hasNext();) {
// selector selector = (selector) iterator.next();
// simple_selector selectors = selector.getSimpleselectors();
// element_name name = selectors.getElement();
// if (name != null) {
// //look for element name in provider
// if (engine instanceof CSSSWTEngineImpl) {
// calCompletions = ((CSSSWTEngineImpl) engine).retrieveCSSPropertiesForElement(name.getName());
// }
// }
//
// //if id or classname, look
//// String elementName = name.getName();
//// engine.getCSSCompositePropertiesNames(elementName);
////
////// ep.getElement(element, engine)
// }
String[] iter = calCompletions == null ? completions : calCompletions;
for (int i = 0; i < iter.length; i++) {
acceptor.accept(createCompletionProposal(iter[i], context));
}
}
}
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