public boolean openLink() {
frame.output(Localization.lang("External viewer called") + ".");
try {
ExternalFileType type = fileType;
if (this.fileType == null) {
if (this.fieldName == null) {
// We don't already know the file type, so we try to deduce it from the extension:
File file = new File(link);
// We try to check the extension for the file:
String name = file.getName();
int pos = name.indexOf('.');
String extension =
(pos >= 0) && (pos < (name.length() - 1))
? name.substring(pos + 1).trim().toLowerCase()
: null;
// Now we know the extension, check if it is one we know about:
type = ExternalFileTypes.getInstance().getExternalFileTypeByExt(extension);
fileType = type;
} else {
JabRefDesktop.openExternalViewer(
frame.getCurrentBasePanel().getBibDatabaseContext().getMetaData(), link, fieldName);
return true;
}
}
if (type instanceof UnknownExternalFileType) {
return JabRefDesktop.openExternalFileUnknown(
frame, entry, metaData, link, (UnknownExternalFileType) type);
} else {
return JabRefDesktop.openExternalFileAnyFormat(metaData, link, type);
}
} catch (IOException e1) {
// See if we should show an error message concerning the application to open the
// link with. We check if the file type is set, and if the file type has a non-empty
// application link. If that link is referred by the error message, we can assume
// that the problem is in the open-with-application setting:
if ((fileType != null)
&& (fileType.getOpenWith() != null)
&& !fileType.getOpenWith().isEmpty()
&& e1.getMessage().contains(fileType.getOpenWith())) {
JOptionPane.showMessageDialog(
frame,
Localization.lang(
"Unable to open link. "
+ "The application '%0' associated with the file type '%1' could not be called.",
fileType.getOpenWith(), fileType.getName()),
Localization.lang("Could not open link"),
JOptionPane.ERROR_MESSAGE);
return false;
}
LOGGER.warn("Unable to open link", e1);
}
return false;
}
private void createPreviewPane() {
previewPane =
new JEditorPane() {
@Override
public Dimension getPreferredScrollableViewportSize() {
return getPreferredSize();
}
};
previewPane.setMargin(new Insets(3, 3, 3, 3));
previewPane.setComponentPopupMenu(createPopupMenu());
previewPane.setEditable(false);
previewPane.setDragEnabled(
true); // this has an effect only, if no custom transfer handler is registered. We keep the
// statement if the transfer handler is removed.
previewPane.setContentType("text/html");
previewPane.addHyperlinkListener(
hyperlinkEvent -> {
if ((hyperlinkEvent.getEventType() == HyperlinkEvent.EventType.ACTIVATED)
&& PreviewPanel.this.databaseContext.isPresent()) {
try {
String address = hyperlinkEvent.getURL().toString();
JabRefDesktop.openExternalViewer(
PreviewPanel.this.databaseContext.get(), address, "url");
} catch (IOException e) {
LOGGER.warn("Could not open external viewer", e);
}
}
});
}
@Override
public void actionPerformed(ActionEvent e) {
try {
JabRefDesktop.openBrowser(DONATION_LINK);
} catch (IOException ex) {
LOGGER.warn("Could not open browser", ex);
JabRef.jrf.getCurrentBasePanel().output(Localization.lang("Could not open browser."));
}
}
/**
* Set up a mouse listener for opening an external viewer for with with EXTRA_EXTERNAL
*
* @param fieldEditor
* @param panel
* @return
*/
public static Optional<JComponent> getExternalExtraComponent(
BasePanel panel, FieldEditor fieldEditor) {
JPanel controls = new JPanel();
controls.setLayout(new BorderLayout());
JButton button = new JButton(Localization.lang("Open"));
button.setEnabled(false);
button.addActionListener(
actionEvent -> {
try {
JabRefDesktop.openExternalViewer(
panel.getBibDatabaseContext(), fieldEditor.getText(), fieldEditor.getFieldName());
} catch (IOException ex) {
panel.output(Localization.lang("Unable to open link."));
}
});
controls.add(button, BorderLayout.SOUTH);
// enable/disable button
JTextComponent url = (JTextComponent) fieldEditor;
url.getDocument()
.addDocumentListener(
new DocumentListener() {
@Override
public void changedUpdate(DocumentEvent documentEvent) {
checkUrl();
}
@Override
public void insertUpdate(DocumentEvent documentEvent) {
checkUrl();
}
@Override
public void removeUpdate(DocumentEvent documentEvent) {
checkUrl();
}
private void checkUrl() {
if (URLUtil.isURL(url.getText())) {
button.setEnabled(true);
} else {
button.setEnabled(false);
}
}
});
return Optional.of(controls);
}
@Override
public void mouseClicked(MouseEvent e) {
if (e.isPopupTrigger()) {
processPopupTrigger(e);
return;
}
// if (e.)
final int col = entryTable.columnAtPoint(e.getPoint());
final int row = entryTable.rowAtPoint(e.getPoint());
if (col < PAD) {
BibtexEntry entry = sortedEntries.get(row);
BasePanel p = entryHome.get(entry);
switch (col) {
case FILE_COL:
Object o = entry.getField(Globals.FILE_FIELD);
if (o != null) {
FileListTableModel tableModel = new FileListTableModel();
tableModel.setContent((String) o);
if (tableModel.getRowCount() == 0) {
return;
}
FileListEntry fl = tableModel.getEntry(0);
(new ExternalFileMenuItem(
frame, entry, "", fl.getLink(), null, p.metaData(), fl.getType()))
.actionPerformed(null);
}
break;
case URL_COL:
Object link = entry.getField("url");
try {
if (link != null) {
JabRefDesktop.openExternalViewer(p.metaData(), (String) link, "url");
}
} catch (IOException ex) {
ex.printStackTrace();
}
break;
}
}
}
/**
* Set up a mouse listener for opening an external viewer and fetching by DOI
*
* @param fieldEditor
* @param panel
* @return
*/
public static Optional<JComponent> getDoiExtraComponent(
BasePanel panel, EntryEditor entryEditor, FieldEditor fieldEditor) {
JPanel controls = new JPanel();
controls.setLayout(new BorderLayout());
// open doi link
JButton button = new JButton(Localization.lang("Open"));
button.setEnabled(false);
button.addActionListener(
actionEvent -> {
try {
JabRefDesktop.openExternalViewer(
panel.getBibDatabaseContext(), fieldEditor.getText(), fieldEditor.getFieldName());
} catch (IOException ex) {
panel.output(Localization.lang("Unable to open link."));
}
});
// lookup doi
JButton doiButton = new JButton(Localization.lang("Lookup DOI"));
doiButton.addActionListener(
actionEvent -> {
Optional<DOI> doi = DOI.fromBibEntry(entryEditor.getEntry());
if (doi.isPresent()) {
entryEditor.getEntry().setField(FieldName.DOI, doi.get().getDOI());
} else {
panel
.frame()
.setStatus(
Localization.lang("No %0 found", FieldName.getDisplayName(FieldName.DOI)));
}
});
// fetch bibtex data
JButton fetchButton =
new JButton(
Localization.lang("Get BibTeX data from %0", FieldName.getDisplayName(FieldName.DOI)));
fetchButton.setEnabled(false);
fetchButton.addActionListener(
actionEvent -> {
BibEntry entry = entryEditor.getEntry();
new FetchAndMergeEntry(entry, panel, FieldName.DOI);
});
controls.add(button, BorderLayout.NORTH);
controls.add(doiButton, BorderLayout.CENTER);
controls.add(fetchButton, BorderLayout.SOUTH);
// enable/disable button
JTextComponent doi = (JTextComponent) fieldEditor;
doi.getDocument()
.addDocumentListener(
new DocumentListener() {
@Override
public void changedUpdate(DocumentEvent documentEvent) {
checkDoi();
}
@Override
public void insertUpdate(DocumentEvent documentEvent) {
checkDoi();
}
@Override
public void removeUpdate(DocumentEvent documentEvent) {
checkDoi();
}
private void checkDoi() {
Optional<DOI> doiUrl = DOI.build(doi.getText());
if (doiUrl.isPresent()) {
button.setEnabled(true);
fetchButton.setEnabled(true);
} else {
button.setEnabled(false);
fetchButton.setEnabled(false);
}
}
});
return Optional.of(controls);
}