/*******************************************************************************
* Copyright (c) 2007 Exadel, Inc. and Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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
*
* Contributors:
* Exadel, Inc. and Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.common.meta.action.impl.handlers;
import java.io.File;
import java.text.MessageFormat;
import java.util.*;
import org.jboss.tools.common.model.*;
import org.jboss.tools.common.meta.action.*;
import org.jboss.tools.common.meta.action.impl.XEntityDataImpl;
import org.jboss.tools.common.model.plugin.ModelMessages;
import org.jboss.tools.common.model.util.*;
import org.jboss.tools.common.model.filesystems.XFileObject;
import org.jboss.tools.common.model.filesystems.impl.FileAnyImpl;
public class OpenWithHelper {
static String EDITORS = "%Options%/External Programs"; //$NON-NLS-1$
static String getFileName(XModelObject object) {
ArrayList<String> l = new ArrayList<String>();
XModelObject o = object;
while(o != null) {
int i = o.getFileType();
if(i == XFileObject.FILE) l.add(FileAnyImpl.toFileName(o));
else if(i == XFileObject.FOLDER) l.add(o.get(XModelObjectConstants.XML_ATTR_NAME));
else {
l.add(XModelObjectUtil.expand((String)o.get(XModelObjectConstants.ATTR_NAME_LOCATION), o.getModel(), null));
break;
}
o = o.getParent();
}
StringBuffer sb = new StringBuffer();
for (int i = l.size() - 1; i >= 0; i--) {
if(sb.length() > 0) sb.append('/');
sb.append(l.get(i));
}
return sb.toString();
}
static String getExtension(String f) {
return f.substring(f.lastIndexOf('.') + 1);
}
static XModelObject getEditorObject(XModel model, String ext) {
XModelObject o = model.getByPath(EDITORS);
String[] es = XModelObjectUtil.asStringArray(o.getAttributeValue("extensions")); //$NON-NLS-1$
for (int i = 0; i < es.length; i++) {
if(!es[i].toLowerCase().startsWith(ext.toLowerCase() + ":")) continue; //$NON-NLS-1$
return o.getChildByPath(es[i].substring(ext.length() + 1));
}
return null;
}
static String[] getEditorList(XModel model) {
XModelObject o = model.getByPath(EDITORS);
XModelObject[] os = o.getChildren();
String[] res = new String[os.length];
for (int i = 0; i < res.length; i++) res[i] = os[i].get(XModelObjectConstants.XML_ATTR_NAME);
return res;
}
static boolean validatePath(String actionname, XModelObject o) throws XModelException {
String[] paths = getEnvironmentPaths();
XModel model = o.getModel();
String en = o.getModelEntity().getName();
XEntityData[] dt = new XEntityData[]{XEntityDataImpl.create(new String[][]{{en, XModelObjectConstants.YES}, {"path", XModelObjectConstants.YES}})}; //$NON-NLS-1$
String path = o.getAttributeValue("path").replace('\\','/'); //$NON-NLS-1$
XAttributeData ad = HUtil.find(dt, 0, "path"); //$NON-NLS-1$
ad.setValue(path);
ServiceDialog d = model.getService();
while(true) {
String b = ad.getValue();
if(b != null && b.length() > 0)
if(fileExists(b, paths)) {
if(!b.equals(path)) {
model.changeObjectAttribute(o, "path", b); //$NON-NLS-1$
model.saveOptions();
}
return true;
}
int i = d.showDialog(actionname, MessageFormat.format("Enter valid path for {0}", o.getPresentationString()),
new String[]{ModelMessages.OK, ModelMessages.Cancel}, dt[0], ServiceDialog.QUESTION);
if(i != 0) return false;
}
}
static boolean fileExists(String filename, String[] paths) {
filename = filename.replace('\\', '/');
if(paths == null || filename.indexOf('/') >= 0) return new File(filename).isFile();
for (int i = 0; i < paths.length; i++) {
String f = paths[i] + XModelObjectConstants.SEPARATOR + filename;
if(new File(f).isFile()) return true;
}
return false;
}
static String[] getEnvironmentPaths() {
String jlp = OSHelper.getProperty("PATH", ""); //$NON-NLS-1$ //$NON-NLS-2$
StringTokenizer st = new StringTokenizer(jlp, File.pathSeparator);
String[] ps = new String[st.countTokens()];
for (int i = 0; i < ps.length; i++) ps[i] = st.nextToken();
return ps;
}
public static String getLogicalExtension(XModelObject object, XAction action) {
String extension = action.getProperty(XModelObjectConstants.ATTR_NAME_EXTENSION);
return (extension != null) ? extension : getExtension(getFileName(object));
}
}