/*
* 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 org.apache.uima.ruta.ide.ui.documentation;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.lang3.StringUtils;
import org.apache.uima.ruta.ide.RutaIdeUIPlugin;
import org.apache.uima.ruta.ide.ui.RutaPreferenceConstants;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.dltk.core.IMember;
import org.eclipse.dltk.ui.documentation.IScriptDocumentationProvider;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
public class RutaPagesDocumentationProvider implements IScriptDocumentationProvider {
private List folders = null;
public Reader getInfo(IMember element, boolean lookIntoParents, boolean lookIntoExternal) {
return null;
}
public Reader getInfo(String content) {
initalizeLocations(false);
if (folders != null) {
for (Iterator iterator = folders.iterator(); iterator.hasNext();) {
RutaPageFolder f = (RutaPageFolder) iterator.next();
HashMap pages = f.getPages();
String ans = (String) pages.get(content);
if (ans != null) {
IPath filePath = new Path(f.getPath()).append(ans);
File file = filePath.toFile();
if (file != null && file.isFile()) {
try {
return new FileReader(file);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
break;
}
}
}
return null;
}
private void initalizeLocations(boolean force) {
if (!force && this.folders != null)
return;
RutaIdeUIPlugin.getDefault().getPreferenceStore()
.addPropertyChangeListener(new IPropertyChangeListener() {
public void propertyChange(PropertyChangeEvent event) {
initalizeLocations(true);
}
});
String value = RutaIdeUIPlugin.getDefault().getPreferenceStore()
.getString(RutaPreferenceConstants.DOC_RUTA_PAGES_LOCATIONS);
try {
if (!StringUtils.isEmpty(value)) {
// value = "<Pages></Pages>";
this.folders = RutaPageFolder.readXML(value);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}