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/*
* Copyright (c) 2013 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.eclipse.cdt.internal.qt.ui;
import java.util.Collection;
import java.util.Collections;
import org.eclipse.cdt.core.dom.ast.IASTCompletionContext;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.internal.corext.template.c.CContextType;
import org.eclipse.cdt.internal.qt.ui.assist.QPropertyExpansion;
import org.eclipse.cdt.internal.qt.ui.assist.QtProposalContext;
import org.eclipse.cdt.internal.qt.ui.assist.QtTemplateProposal;
import org.eclipse.cdt.qt.core.QtKeywords;
import org.eclipse.cdt.qt.ui.QtUIPlugin;
import org.eclipse.cdt.ui.text.contentassist.ICEditorContentAssistInvocationContext;
import org.eclipse.jface.text.Region;
import org.eclipse.jface.text.contentassist.ICompletionProposal;
import org.eclipse.jface.text.templates.Template;
import org.eclipse.jface.text.templates.TemplateContextType;
@SuppressWarnings("restriction")
public class QPropertyCompletion {
private static final String CONTEXT_ID = QtUIPlugin.PLUGIN_ID + ".proposal.Q_PROPERTY";
private static final Template QPropertyTemplate
= new Template("Q_PROPERTY", "Q_PROPERTY declaration", CONTEXT_ID, "Q_PROPERTY( ${type} ${name} READ ${accessor} ${cursor} )", true);
public static Collection<ICompletionProposal> getAttributeProposals(ICEditorContentAssistInvocationContext context) {
QPropertyExpansion expansion = QPropertyExpansion.create(context);
return expansion == null
? Collections.<ICompletionProposal>emptyList()
: expansion.getProposals(CONTEXT_ID, context);
}
public static Collection<ICompletionProposal> getProposals(
ICEditorContentAssistInvocationContext context, IASTName name, IASTCompletionContext astContext, IASTNode astNode) {
String token = name.getLastName().toString();
if (token.isEmpty()
|| !QtKeywords.Q_PROPERTY.startsWith(token))
return Collections.emptyList();
TemplateContextType ctxType = new CContextType();
ctxType.setId(CONTEXT_ID);
QtProposalContext templateCtx = new QtProposalContext(context, ctxType);
Region region = new Region(templateCtx.getCompletionOffset(), templateCtx.getCompletionLength());
return Collections.<ICompletionProposal>singletonList(new QtTemplateProposal(QPropertyTemplate, templateCtx, region));
}
}
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