/*******************************************************************************
* 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.*;
import java.net.MalformedURLException;
import java.text.MessageFormat;
import java.util.*;
import org.jboss.tools.common.meta.action.impl.*;
import org.jboss.tools.common.meta.key.WizardKeys;
import org.jboss.tools.common.model.*;
import org.jboss.tools.common.model.plugin.ModelMessages;
import org.jboss.tools.common.model.plugin.ModelPlugin;
import org.jboss.tools.common.model.util.*;
import org.jboss.tools.common.model.engines.impl.XProcess;
import org.jboss.tools.common.model.filesystems.XFileObject;
import org.jboss.tools.common.model.filesystems.impl.*;
public class OpenWithExternalHandler extends AbstractHandler {
public OpenWithExternalHandler() {}
public boolean isEnabled(XModelObject object) {
if(object == null || object.getFileType() != XFileObject.FILE) return false;
String s = getEditorName(object);
boolean b = (s != null);
if(!b) s = "?"; //$NON-NLS-1$
((XActionImpl)action).setDisplayName(s);
return b;
}
public void executeHandler(XModelObject object, Properties p) throws XModelException {
if(!isEnabled(object)) return;
String displayName = WizardKeys.getMenuItemDisplayName(action, object == null ? null : object.getModelEntity());
if(!checkSave(displayName, object)) return;
String f = getFileName(object);
String ext = OpenWithHelper.getLogicalExtension(object, action);
XModelObject editor = OpenWithHelper.getEditorObject(object.getModel(), ext);
if(editor == null) throw new RuntimeException("External editor for file extension '" + ext + "' is not set."); //$NON-NLS-1$ //$NON-NLS-2$
start(displayName, f, editor);
}
static boolean checkSave(String actionname, XModelObject object) throws XModelException {
if(!object.isModified() || !object.isActive() || !(object.getParent() instanceof FolderImpl)) return true;
ServiceDialog d = object.getModel().getService();
String mes = MessageFormat
.format(
"{0} is modified.\nDo you want to save it on disk before launching the external program?",
DefaultCreateHandler.title(object, true));
int i = d.showDialog(actionname, mes, new String[]{ModelMessages.Yes, ModelMessages.No, ModelMessages.Cancel}, null, ServiceDialog.QUESTION);
if(i == 0) {
((FolderImpl)object.getParent()).saveChild(object);
return !object.isModified();
} else return (i == 1);
}
protected String getFileName(XModelObject object) {
return OpenWithHelper.getFileName(object);
}
private String getEditorName(XModelObject object) {
String ext = OpenWithHelper.getLogicalExtension(object, action);
XModelObject o = object.getModel().getByPath(OpenWithHelper.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 es[i].substring(ext.length() + 1);
}
return null;
}
public static void start(String actionname, String filename, XModelObject editor) throws XModelException {
int i = filename.indexOf('#');
String fn = (i < 0) ? filename : filename.substring(0, i);
if(!new File(fn).isFile()) throw new IllegalArgumentException("Cannot find file " + fn + "."); //$NON-NLS-1$ //$NON-NLS-2$
if(OpenWithHelper.validatePath(actionname, editor)) new OWEProcess(editor, filename).start();
}
}
class OWEProcess extends XProcess {
private XModelObject o;
private String file;
private boolean isUrl;
public OWEProcess(XModelObject o, String file) {
this(o, file, false);
}
public OWEProcess(XModelObject o, String file, boolean isUrl) {
this.o = o;
this.file = file;
this.isUrl = isUrl;
}
protected String getRoot() {
return "."; //$NON-NLS-1$
}
protected void write(String s) {
o.getModel().getOut().print(s);
}
protected void buildCommandLine(ArrayList<String> l) {
String program = o.getAttributeValue("path"); //$NON-NLS-1$
l.add(program);
if("Internet Browser".equals(o.getAttributeValue(XModelObjectConstants.ATTR_NAME)) && !isUrl) { //$NON-NLS-1$
try {
java.net.URL u = new File(file).toURL();
file = u.getProtocol() + "://" + u.getFile(); //$NON-NLS-1$
} catch (MalformedURLException e) {
ModelPlugin.getPluginLog().logError(e);
}
}
l.add(file);
}
}