package net.sf.jabref.external;
import com.jgoodies.forms.builder.ButtonBarBuilder;
import net.sf.jabref.GUIGlobals;
import net.sf.jabref.Globals;
import net.sf.jabref.JabRefFrame;
import net.sf.jabref.MnemonicAwareAction;
import net.sf.jabref.plugin.PluginCore;
import net.sf.jabref.plugin.core.JabRefPlugin;
import net.sf.jabref.plugin.core.generated._JabRefPlugin;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.net.URL;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
/**
* Customized UI component for pushing to external applications. Has a selection popup
* menu to change the selected external application.
* This class implements the ActionListener interface. When actionPerformed() is
* invoked, the currently selected PushToApplication is activated. The actionPerformed()
* method can be called with a null argument.
*/
public class PushToApplicationButton implements ActionListener {
public static List<PushToApplication> applications;
private JabRefFrame frame;
private List<PushToApplication> pushActions;
private JPanel comp;
private JButton pushButton, menuButton;
private int selected = 0;
private JPopupMenu popup = null;
private HashMap<PushToApplication, PushToApplicationAction> actions = new HashMap<PushToApplication, PushToApplicationAction>();
private final Dimension buttonDim = new Dimension(23, 23);
private static final URL ARROW_ICON = GUIGlobals.class.getResource("/images/secondary_sorted_reverse.png");
private MenuAction mAction = new MenuAction();
private JPopupMenu optPopup = new JPopupMenu();
private JMenuItem settings = new JMenuItem(Globals.lang("Settings"));
/**
* Set up the current available choices:
*/
static {
applications = new ArrayList<PushToApplication>();
JabRefPlugin jabrefPlugin = JabRefPlugin.getInstance(PluginCore.getManager());
if(jabrefPlugin != null){
List<_JabRefPlugin.PushToApplicationExtension> plugins = jabrefPlugin.getPushToApplicationExtensions();
for (_JabRefPlugin.PushToApplicationExtension extension : plugins) {
applications.add(extension.getPushToApp());
}
applications.add(new PushToLyx());
applications.add(new PushToEmacs());
applications.add(new PushToWinEdt());
applications.add(new PushToLatexEditor());
applications.add(new PushToVim());
// Finally, sort the entries:
//Collections.sort(applications, new PushToApplicationComparator());
}
}
public PushToApplicationButton(JabRefFrame frame, List<PushToApplication> pushActions) {
this.frame = frame;
this.pushActions = pushActions;
init();
}
private void init() {
comp = new JPanel();
comp.setLayout(new BorderLayout());
menuButton = new JButton(new ImageIcon(ARROW_ICON));
menuButton.setMargin(new Insets(0,0,0,0));
menuButton.setPreferredSize(new Dimension(menuButton.getIcon().getIconWidth(),
menuButton.getIcon().getIconHeight()));
menuButton.addActionListener(new MenuButtonActionListener());
menuButton.setToolTipText(Globals.lang("Select external application"));
pushButton = new JButton();
if (Globals.prefs.hasKey("pushToApplication")) {
String appSelected = Globals.prefs.get("pushToApplication");
for (int i=0; i<pushActions.size(); i++) {
PushToApplication toApp = pushActions.get(i);
if (toApp.getName().equals(appSelected)) {
selected = i;
break;
}
}
}
setSelected(selected);
pushButton.addActionListener(this);
pushButton.addMouseListener(new PushButtonMouseListener());
comp.add(pushButton, BorderLayout.CENTER);
comp.add(menuButton, BorderLayout.EAST);
comp.setBorder(BorderFactory.createLineBorder(Color.gray));
comp.setMaximumSize(comp.getPreferredSize());
optPopup.add(settings);
settings.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
PushToApplication toApp = pushActions.get(selected);
JPanel options = toApp.getSettingsPanel();
if (options != null) {
showSettingsDialog(frame, toApp, options);
}
}
});
buildPopupMenu();
}
/**
* Create a selection menu for the available "Push" options.
*/
private void buildPopupMenu() {
popup = new JPopupMenu();
int j=0;
for (PushToApplication application : pushActions){
JMenuItem item = new JMenuItem(application.getApplicationName(),
application.getIcon());
item.setToolTipText(application.getTooltip());
item.addActionListener(new PopupItemActionListener(j));
popup.add(item);
j++;
}
}
/**
* Update the PushButton to default to the given application.
* @param i The List index of the application to default to.
*/
private void setSelected(int i) {
this.selected = i;
PushToApplication toApp = pushActions.get(i);
pushButton.setIcon(toApp.getIcon());
pushButton.setToolTipText(toApp.getTooltip());
pushButton.setPreferredSize(buttonDim);
Globals.prefs.put("pushToApplication", toApp.getName());
mAction.setTitle(toApp.getApplicationName());
}
/**
* Get the toolbar component for the push button.
* @return The component.
*/
public Component getComponent() {
return comp;
}
public Action getMenuAction() {
return mAction;
}
public void actionPerformed(ActionEvent e) {
PushToApplication toApp = pushActions.get(selected);
// Lazy initialization of the push action:
PushToApplicationAction action = actions.get(toApp);
if (action == null) {
action = new PushToApplicationAction(frame, toApp);
actions.put(toApp, action);
}
action.actionPerformed(new ActionEvent(toApp, 0, "push"));
}
static class BooleanHolder {
public BooleanHolder(boolean value) {
this.value = value;
}
public boolean value;
}
public static void showSettingsDialog(Object parent, PushToApplication toApp, JPanel options) {
final BooleanHolder okPressed = new BooleanHolder(false);
JDialog dg;
if (parent instanceof JDialog)
dg = new JDialog((JDialog)parent, Globals.lang("Settings"), true);
else
dg = new JDialog((JFrame)parent, Globals.lang("Settings"), true);
final JDialog diag = dg;
options.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
diag.getContentPane().add(options, BorderLayout.CENTER);
ButtonBarBuilder bb = new ButtonBarBuilder();
JButton ok = new JButton(Globals.lang("Ok"));
JButton cancel = new JButton(Globals.lang("Cancel"));
bb.addGlue();
bb.addGridded(ok);
bb.addGridded(cancel);
bb.addGlue();
bb.getPanel().setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
diag.getContentPane().add(bb.getPanel(), BorderLayout.SOUTH);
ok.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
okPressed.value = true;
diag.dispose();
}
});
cancel.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
diag.dispose();
}
});
// Key bindings:
ActionMap am = bb.getPanel().getActionMap();
InputMap im = bb.getPanel().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
im.put(Globals.prefs.getKey("Close dialog"), "close");
am.put("close", new AbstractAction() {
public void actionPerformed(ActionEvent e) {
diag.dispose();
}
});
diag.pack();
if (parent instanceof JDialog)
diag.setLocationRelativeTo((JDialog)parent);
else
diag.setLocationRelativeTo((JFrame)parent);
// Show the dialog:
diag.setVisible(true);
// If the user pressed Ok, ask the PushToApplication implementation
// to store its settings:
if (okPressed.value) {
toApp.storeSettings();
}
}
class PopupItemActionListener implements ActionListener {
private int index;
public PopupItemActionListener(int index) {
this.index = index;
}
public void actionPerformed(ActionEvent e) {
// Change the selection:
setSelected(index);
// Invoke the selected operation (is that expected behaviour?):
//PushToApplicationButton.this.actionPerformed(null);
// It makes sense to transfer focus to the push button after the
// menu closes:
pushButton.requestFocus();
}
}
class MenuButtonActionListener implements ActionListener {
public void actionPerformed(ActionEvent e) {
// Lazy initialization of the popup menu:
if (popup == null)
buildPopupMenu();
popup.show(comp, 0, menuButton.getHeight());
}
}
class MenuAction extends MnemonicAwareAction {
public MenuAction() {
putValue(ACCELERATOR_KEY, Globals.prefs.getKey("Push to application"));
}
public void setTitle(String appName) {
putValue(NAME, Globals.lang("Push entries to external application (%0)",
appName));
}
public void actionPerformed(ActionEvent e) {
PushToApplicationButton.this.actionPerformed(null);
}
}
class PushButtonMouseListener extends MouseAdapter {
public void mousePressed(MouseEvent event) {
if (event.isPopupTrigger())
processPopupTrigger(event);
}
public void mouseClicked(MouseEvent event) {
if (event.isPopupTrigger())
processPopupTrigger(event);
}
public void mouseReleased(MouseEvent event) {
if (event.isPopupTrigger())
processPopupTrigger(event);
}
private void processPopupTrigger(MouseEvent e) {
// We only want to show the popup if a settings panel exists for the selected
// item:
PushToApplication toApp = pushActions.get(selected);
if (toApp.getSettingsPanel() != null)
optPopup.show(pushButton, e.getX(), e.getY());
}
}
/**
* Comparator for sorting the selection according to name.
*/
static class PushToApplicationComparator implements Comparator<PushToApplication> {
public int compare(PushToApplication one, PushToApplication two) {
return one.getName().compareTo(two.getName());
}
}
}