/*
* 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.caseditor.view.html;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import org.apache.commons.lang3.StringUtils;
import org.apache.uima.cas.CAS;
import org.apache.uima.cas.impl.XmiCasDeserializer;
import org.apache.uima.caseditor.editor.AnnotationEditor;
import org.apache.uima.caseditor.editor.ICasDocument;
import org.apache.uima.caseditor.editor.ICasEditorInputListener;
import org.apache.uima.resource.ResourceInitializationException;
import org.apache.uima.resource.metadata.TypeSystemDescription;
import org.apache.uima.resource.metadata.impl.TypeSystemDescription_impl;
import org.apache.uima.ruta.caseditor.RutaCasEditorPlugin;
import org.apache.uima.util.CasCreationUtils;
import org.apache.uima.util.FileUtils;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.part.IPageSite;
import org.eclipse.ui.part.Page;
import org.xml.sax.SAXException;
public class HtmlViewPage extends Page implements ICasEditorInputListener {
private AnnotationEditor editor;
private Browser browser;
public HtmlViewPage(AnnotationEditor editor) {
super();
this.editor = editor;
}
@Override
public void init(IPageSite pageSite) {
super.init(pageSite);
}
@Override
public void createControl(Composite parent) {
Composite composite = parent;
browser = new Browser(composite, SWT.NONE);
updateHtml();
getSite().setSelectionProvider(new ISelectionProvider() {
public void setSelection(ISelection selection) {
}
public void removeSelectionChangedListener(ISelectionChangedListener listener) {
}
public ISelection getSelection() {
return null;
}
public void addSelectionChangedListener(ISelectionChangedListener listener) {
}
});
editor.addCasEditorInputListener(this);
browser.refresh();
}
@Override
public void setFocus() {
}
@Override
public void dispose() {
browser.dispose();
editor.removeCasEditorInputListener(this);
}
public void casDocumentChanged(IEditorInput oldInput, ICasDocument oldDocument,
IEditorInput newInput, ICasDocument newDocument) {
updateHtml();
}
@Override
public Control getControl() {
return browser;
}
private void updateHtml() {
if (editor == null) {
return;
}
IPreferenceStore store = RutaCasEditorPlugin.getDefault().getPreferenceStore();
String htmlSource = store.getString(HtmlView.HTML_SOURCE);
if (StringUtils.isBlank(htmlSource)) {
setHtmlWithEditor();
} else {
IEditorInput editorInput = editor.getEditorInput();
if (editorInput instanceof FileEditorInput) {
FileEditorInput fei = (FileEditorInput) editorInput;
String name = fei.getFile().getName();
String[] split = name.split("[.]");
File dir = new File(htmlSource);
File[] listFiles = dir.listFiles();
File selected = null;
for (File file : listFiles) {
String[] split2 = file.getName().split("[.]");
if(split[0].equals(split2[0])) {
selected = file;
break;
}
}
if(selected == null) {
setHtmlWithEditor();
return;
}
try {
String html = "";
if (selected.getName().endsWith(".html") || selected.getName().endsWith(".txt")) {
html = FileUtils.file2String(selected);
} else if(selected.getName().endsWith(".xmi")){
try {
TypeSystemDescription tsd = new TypeSystemDescription_impl();
CAS dummyCas = CasCreationUtils.createCas(tsd, null, null);
XmiCasDeserializer.deserialize(new FileInputStream(selected), dummyCas, true);
html = dummyCas.getDocumentText();
dummyCas.release();
} catch (ResourceInitializationException e) {
RutaCasEditorPlugin.error(e);
} catch (SAXException e) {
RutaCasEditorPlugin.error(e);
}
}
browser.setText(html);
browser.refresh();
} catch (IOException e) {
RutaCasEditorPlugin.error(e);
}
}
}
}
private void setHtmlWithEditor() {
CAS cas = editor.getDocument().getCAS();
String html = cas.getDocumentText();
browser.setText(html);
browser.refresh();
}
}