/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package qwickie.proposal;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.contentassist.CompletionProposal;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.editors.text.TextFileDocumentProvider;
import org.eclipse.ui.ide.ResourceUtil;
import org.eclipse.ui.texteditor.IDocumentProvider;
import org.eclipse.wst.sse.ui.contentassist.CompletionProposalInvocationContext;
import org.eclipse.wst.sse.ui.contentassist.ICompletionProposalComputer;
import qwickie.hyperlink.WicketHyperlink;
import qwickie.util.DocumentHelper;
public class QWickieHtmlProposalComputer implements ICompletionProposalComputer {
final Image img = new Image(Display.getCurrent(), QWickieProposalComputer.class.getResourceAsStream("/qwickie.png"));
public List<CompletionProposal> computeCompletionProposals(final CompletionProposalInvocationContext context, final IProgressMonitor monitor) {
// used a Map because CompletionProposal doesn't implement hashcode/equals
Map<String, CompletionProposal> proposals = new LinkedHashMap<String, CompletionProposal>();
final IDocument document = context.getDocument();
final String wicketNS = DocumentHelper.getNamespacePrefix(document);
final IRegion rtr = DocumentHelper.findStringArgumentInMarkup(document, context.getInvocationOffset(), wicketNS + ":id");
if (rtr == null) {
return new ArrayList<CompletionProposal>();
}
try {
final String existingWid = document.get(rtr.getOffset(), rtr.getLength());
final IEditorPart activeEditor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
if (activeEditor != null) { // If it's null then there is no editor connected to the java file extension
final IEditorInput editorInput = activeEditor.getEditorInput();
final IFile htmlFile = ResourceUtil.getFile(editorInput);
final IFile javaFile = WicketHyperlink.getJavaFile(htmlFile);
final IDocumentProvider provider = new TextFileDocumentProvider();
provider.connect(javaFile);
final IDocument jdoc = provider.getDocument(javaFile);
int nol = jdoc.getNumberOfLines();
for (int lidx = 0; lidx < nol; lidx++) {
IRegion li = jdoc.getLineInformation(lidx);
String line = jdoc.get(li.getOffset(), li.getLength());
String[] ss = line.split("\"");
if (ss.length > 1) {
for (int i = 1; i < ss.length; i += 2) {
final String proposedWid = ss[i];
if (proposedWid.length() > 0 && !proposedWid.contains(":") && !proposedWid.contains("~")) {
final CompletionProposal proposal = new CompletionProposal(proposedWid, rtr.getOffset(), existingWid.length(), rtr.getOffset(), img, proposedWid, null, line.replaceAll("\"" + proposedWid + "\"", "\"<b>" + proposedWid + "</b>\""));
proposals.put(proposedWid, proposal);
}
}
}
}
provider.disconnect(javaFile);
}
} catch (Exception e) {
}
return new ArrayList<CompletionProposal>(proposals.values());
}
/*
* (non-Javadoc)
*
* @see org.eclipse.wst.sse.ui.contentassist.ICompletionProposalComputer#computeContextInformation(org.eclipse.wst.sse.ui.contentassist.
* CompletionProposalInvocationContext, org.eclipse.core.runtime.IProgressMonitor)
*/
public List<?> computeContextInformation(final CompletionProposalInvocationContext arg0, final IProgressMonitor arg1) {
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.wst.sse.ui.contentassist.ICompletionProposalComputer#getErrorMessage()
*/
public String getErrorMessage() {
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.wst.sse.ui.contentassist.ICompletionProposalComputer#sessionEnded()
*/
public void sessionEnded() {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.wst.sse.ui.contentassist.ICompletionProposalComputer#sessionStarted()
*/
public void sessionStarted() {
}
}