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* 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
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package org.apache.cayenne.modeler.action;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import java.io.File;
import java.net.URL;
import javax.swing.JOptionPane;
import javax.swing.KeyStroke;
import org.apache.cayenne.modeler.Application;
import org.apache.cayenne.modeler.CayenneModelerController;
import org.apache.cayenne.modeler.dialog.ErrorDebugDialog;
import org.apache.cayenne.project.Project;
import org.apache.cayenne.project.ProjectLoader;
import org.apache.cayenne.project.upgrade.ProjectUpgrader;
import org.apache.cayenne.project.upgrade.UpgradeHandler;
import org.apache.cayenne.project.upgrade.UpgradeMetaData;
import org.apache.cayenne.project.upgrade.UpgradeType;
import org.apache.cayenne.resource.Resource;
import org.apache.cayenne.resource.URLResource;
import org.apache.cayenne.swing.control.FileMenuItem;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class OpenProjectAction extends ProjectAction {
private static Log logObj = LogFactory.getLog(OpenProjectAction.class);
protected ProjectOpener fileChooser;
public static String getActionName() {
return "Open Project";
}
public OpenProjectAction(Application application) {
super(getActionName(), application);
this.fileChooser = new ProjectOpener();
}
public String getIconName() {
return "icon-open.gif";
}
public KeyStroke getAcceleratorKey() {
return KeyStroke.getKeyStroke(KeyEvent.VK_O, Toolkit
.getDefaultToolkit()
.getMenuShortcutKeyMask());
}
public void performAction(ActionEvent e) {
// Save and close (if needed) currently open project.
if (getProjectController() != null && !checkSaveOnClose()) {
return;
}
File f = null;
if (e.getSource() instanceof FileMenuItem) {
FileMenuItem menu = (FileMenuItem) e.getSource();
f = menu.getFile();
}
else if (e.getSource() instanceof File) {
f = (File) e.getSource();
}
if (f == null) {
try {
// Get the project file name (always cayenne.xml)
f = fileChooser.openProjectFile(Application.getFrame());
}
catch (Exception ex) {
logObj.warn("Error loading project file.", ex);
}
}
if (f != null) {
// by now if the project is unsaved, this has been a user choice...
if (getProjectController() != null && !closeProject(false)) {
return;
}
openProject(f);
}
application.getUndoManager().discardAllEdits();
}
/** Opens specified project file. File must already exist. */
public void openProject(File file) {
try {
if (!file.exists()) {
JOptionPane.showMessageDialog(
Application.getFrame(),
"Can't open project - file \""
+ file.getPath()
+ "\" does not exist",
"Can't Open Project",
JOptionPane.OK_OPTION);
return;
}
CayenneModelerController controller = Application
.getInstance()
.getFrameController();
controller.addToLastProjListAction(file.getAbsolutePath());
URL url = file.toURL();
Resource rootSource = new URLResource(url);
ProjectUpgrader upgrader = getApplication().getInjector().getInstance(
ProjectUpgrader.class);
UpgradeHandler handler = upgrader.getUpgradeHandler(rootSource);
UpgradeMetaData md = handler.getUpgradeMetaData();
if (UpgradeType.DOWNGRADE_NEEDED == md.getUpgradeType()) {
JOptionPane
.showMessageDialog(
Application.getFrame(),
"Can't open project - it was created using a newer version of the Modeler",
"Can't Open Project",
JOptionPane.OK_OPTION);
closeProject(false);
}
else if (UpgradeType.INTERMEDIATE_UPGRADE_NEEDED == md.getUpgradeType()) {
JOptionPane
.showMessageDialog(Application.getFrame(),
// TODO: andrus 05/02/2010 - this message shows intermediate
// version of the project XML, not the Modeler code
// version that
// can be used for upgrade
"Can't upgrade project. Open the project in the Modeler v."
+ md.getIntermediateUpgradeVersion()
+ " to do an intermediate upgrade before you can upgrade to v."
+ md.getSupportedVersion(),
"Can't Upgrade Project",
JOptionPane.OK_OPTION);
closeProject(false);
}
else if (UpgradeType.UPGRADE_NEEDED == md.getUpgradeType()) {
if (processUpgrades(md)) {
// perform upgrade
logObj.info("Will upgrade project " + url.getPath());
Resource upgraded = handler.performUpgrade();
if (upgraded != null) {
Project project = openProjectResourse(upgraded, controller);
getProjectController().getProjectWatcher().pauseWatching();
getProjectController().getProjectWatcher().reconfigure();
// if project file name changed
// need upgrade all
if (!file.getAbsolutePath().equals(
project.getConfigurationResource().getURL().getPath())) {
controller.changePathInLastProjListAction(file
.getAbsolutePath(), project
.getConfigurationResource()
.getURL()
.getPath());
}
}
else {
closeProject(false);
}
}
}
else {
openProjectResourse(rootSource, controller);
}
}
catch (Exception ex) {
logObj.warn("Error loading project file.", ex);
ErrorDebugDialog.guiWarning(ex, "Error loading project");
}
}
private Project openProjectResourse(
Resource resource,
CayenneModelerController controller) {
Project project = getApplication()
.getInjector()
.getInstance(ProjectLoader.class)
.loadProject(resource);
controller.projectOpenedAction(project);
return project;
}
protected boolean processUpgrades(UpgradeMetaData md) {
// need an upgrade
int returnCode = JOptionPane.showConfirmDialog(
Application.getFrame(),
"Project needs an upgrade to a newer version. Upgrade?",
"Upgrade Needed",
JOptionPane.YES_NO_OPTION);
if (returnCode == JOptionPane.NO_OPTION) {
return false;
}
return true;
}
}