/*
* JBoss by Red Hat
* Copyright 2006-2009, Red Hat Middleware, LLC, and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ide.eclipse.freemarker.model;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.text.ITypedRegion;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.jface.text.source.ISourceViewer;
import org.jboss.ide.eclipse.freemarker.configuration.ConfigurationManager;
import org.jboss.ide.eclipse.freemarker.configuration.MacroLibrary;
public class MacroInstance extends AbstractDirective {
private MacroEndInstance endInstance;
private String name;
protected void init(ITypedRegion region, ISourceViewer viewer, IResource resource) throws Exception {
name = getSplitValue(0);
}
public boolean isStartItem() {
return true;
}
public void relateItem(Item directive) {
if (directive instanceof MacroEndInstance)
endInstance = (MacroEndInstance) directive;
}
public boolean relatesToItem(Item directive) {
if (directive instanceof MacroEndInstance) {
MacroEndInstance endDirective = (MacroEndInstance) directive;
return (null == endDirective.getName()
|| endDirective.getName().length() == 0
|| endDirective.getName().equals(getName()));
}
else return false;
}
public MacroEndInstance getEndDirective() {
return endInstance;
}
public Item[] getRelatedItems() {
if (null == relatedItems) {
ArrayList l = new ArrayList();
if (null != getEndDirective())
l.add(getEndDirective());
relatedItems = (Item[]) l.toArray(new Item[l.size()]);
}
return relatedItems;
}
private Item[] relatedItems;
public String getTreeImage() {
return "macro_instance.png"; //$NON-NLS-1$
}
public String getName() {
return name;
}
public ICompletionProposal[] getCompletionProposals(int offset, Map context) {
ContentWithOffset contentWithOffset = splitContents(offset);
int index = contentWithOffset.getIndex();
int subOffset = contentWithOffset.getOffsetInIndex();
int directiveOffset = contentWithOffset.getOffset();
String[] contents = contentWithOffset.getContents();
if (index == 0 && !contentWithOffset.wasLastCharSpace()) {
// name
String prefix = contents[index].substring(0, subOffset);
List l = new ArrayList();
for (Iterator i=getItemSet().getMacroDefinitions().iterator(); i.hasNext(); ) {
MacroDirective macro = (MacroDirective) i.next();
if (macro.getName().startsWith(prefix)) {
l.add(getCompletionProposal(offset, subOffset,
macro.getName(), contents[0]));
}
}
MacroLibrary[] libraries = ConfigurationManager.getInstance(getResource().getProject()).getMacroLibraries();
for (int i=0; i<libraries.length; i++) {
for (int j=0; j<libraries[i].getMacros().length; j++) {
MacroDirective macro = libraries[i].getMacros()[j];
if (macro.getName().startsWith(prefix)) {
l.add(getCompletionProposal(offset, subOffset,
macro.getName(), contents[0]));
}
}
}
return completionProposals(l);
}
else if ((contentWithOffset.wasLastCharSpace())
|| !contents[index-1].equals("=")) { //$NON-NLS-1$
String name = contents[0];
// see if we can find a macro match
MacroDirective match = null;
for (Iterator i=getItemSet().getMacroDefinitions().iterator(); i.hasNext(); ) {
MacroDirective macro = (MacroDirective) i.next();
if (macro.getName().equals(name)) {
match = macro;
break;
}
}
if (null == match) {
MacroLibrary[] libraries = ConfigurationManager.getInstance(getResource().getProject()).getMacroLibraries();
for (int i=0; i<libraries.length; i++) {
for (int j=0; j<libraries[i].getMacros().length; j++) {
MacroDirective macro = libraries[i].getMacros()[j];
if (macro.getName().equals(name)) {
match = macro;
break;
}
}
if (null != match) break;
}
}
if (null != match) {
String prefix = null;
if (contentWithOffset.wasLastCharSpace() || contents.length < index+1)
prefix = ""; //$NON-NLS-1$
else
prefix = contents[index].substring(0, subOffset);
List l = new ArrayList();
for (int i=0; i<match.getAttributes().length; i++) {
if (match.getAttributes()[i].startsWith(prefix)) {
l.add(getCompletionProposal(offset, subOffset,
match.getAttributes()[i], (contentWithOffset.isNextCharSpace() || contents.length < index+1) ? "" : contents[index])); //$NON-NLS-1$
}
}
return completionProposals(l);
}
}
return null;
}
}