Examples with HeadlessException java.awt.HeadlessException used on opensource projects

Example 21 with HeadlessException

use of java.awt.HeadlessException in project jdk8u_jdk by JetBrains.

the class RasterPrinterJob method printDialog.

/**
     * Presents the user a dialog for changing properties of the
     * print job interactively.
     * @returns false if the user cancels the dialog and
     *          true otherwise.
     * @exception HeadlessException if GraphicsEnvironment.isHeadless()
     * returns true.
     * @see java.awt.GraphicsEnvironment#isHeadless
     */
public boolean printDialog() throws HeadlessException {
    if (GraphicsEnvironment.isHeadless()) {
        throw new HeadlessException();
    }
    PrintRequestAttributeSet attributes = new HashPrintRequestAttributeSet();
    attributes.add(new Copies(getCopies()));
    attributes.add(new JobName(getJobName(), null));
    boolean doPrint = printDialog(attributes);
    if (doPrint) {
        JobName jobName = (JobName) attributes.get(JobName.class);
        if (jobName != null) {
            setJobName(jobName.getValue());
        }
        Copies copies = (Copies) attributes.get(Copies.class);
        if (copies != null) {
            setCopies(copies.getValue());
        }
        Destination dest = (Destination) attributes.get(Destination.class);
        if (dest != null) {
            try {
                mDestType = RasterPrinterJob.FILE;
                mDestination = (new File(dest.getURI())).getPath();
            } catch (Exception e) {
                mDestination = "out.prn";
                PrintService ps = getPrintService();
                if (ps != null) {
                    Destination defaultDest = (Destination) ps.getDefaultAttributeValue(Destination.class);
                    if (defaultDest != null) {
                        mDestination = (new File(defaultDest.getURI())).getPath();
                    }
                }
            }
        } else {
            mDestType = RasterPrinterJob.PRINTER;
            PrintService ps = getPrintService();
            if (ps != null) {
                mDestination = ps.getName();
            }
        }
    }
    return doPrint;
}

Example 22 with HeadlessException

use of java.awt.HeadlessException in project jdk8u_jdk by JetBrains.

the class RasterPrinterJob method printDialog.

/**
     * Presents the user a dialog for changing properties of the
     * print job interactively.
     * The services browsable here are determined by the type of
     * service currently installed.
     * If the application installed a StreamPrintService on this
     * PrinterJob, only the available StreamPrintService (factories) are
     * browsable.
     *
     * @param attributes to store changed properties.
     * @return false if the user cancels the dialog and true otherwise.
     * @exception HeadlessException if GraphicsEnvironment.isHeadless()
     * returns true.
     * @see java.awt.GraphicsEnvironment#isHeadless
     */
public boolean printDialog(final PrintRequestAttributeSet attributes) throws HeadlessException {
    if (GraphicsEnvironment.isHeadless()) {
        throw new HeadlessException();
    }
    DialogTypeSelection dlg = (DialogTypeSelection) attributes.get(DialogTypeSelection.class);
    // Check for native, note that default dialog is COMMON.
    if (dlg == DialogTypeSelection.NATIVE) {
        this.attributes = attributes;
        try {
            debug_println("calling setAttributes in printDialog");
            setAttributes(attributes);
        } catch (PrinterException e) {
        }
        setParentWindowID(attributes);
        boolean ret = printDialog();
        clearParentWindowID();
        this.attributes = attributes;
        return ret;
    }
    /* A security check has already been performed in the
         * java.awt.print.printerJob.getPrinterJob method.
         * So by the time we get here, it is OK for the current thread
         * to print either to a file (from a Dialog we control!) or
         * to a chosen printer.
         *
         * We raise privilege when we put up the dialog, to avoid
         * the "warning applet window" banner.
         */
    final GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
    PrintService service = (PrintService) java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {

        public Object run() {
            PrintService service = getPrintService();
            if (service == null) {
                ServiceDialog.showNoPrintService(gc);
                return null;
            }
            return service;
        }
    });
    if (service == null) {
        return false;
    }
    PrintService[] services;
    StreamPrintServiceFactory[] spsFactories = null;
    if (service instanceof StreamPrintService) {
        spsFactories = lookupStreamPrintServices(null);
        services = new StreamPrintService[spsFactories.length];
        for (int i = 0; i < spsFactories.length; i++) {
            services[i] = spsFactories[i].getPrintService(null);
        }
    } else {
        services = (PrintService[]) java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {

            public Object run() {
                PrintService[] services = PrinterJob.lookupPrintServices();
                return services;
            }
        });
        if ((services == null) || (services.length == 0)) {
            /*
                 * No services but default PrintService exists?
                 * Create services using defaultService.
                 */
            services = new PrintService[1];
            services[0] = service;
        }
    }
    Rectangle bounds = gc.getBounds();
    int x = bounds.x + bounds.width / 3;
    int y = bounds.y + bounds.height / 3;
    PrintService newService;
    // temporarily add an attribute pointing back to this job.
    PrinterJobWrapper jobWrapper = new PrinterJobWrapper(this);
    attributes.add(jobWrapper);
    try {
        newService = ServiceUI.printDialog(gc, x, y, services, service, DocFlavor.SERVICE_FORMATTED.PAGEABLE, attributes);
    } catch (IllegalArgumentException iae) {
        newService = ServiceUI.printDialog(gc, x, y, services, services[0], DocFlavor.SERVICE_FORMATTED.PAGEABLE, attributes);
    }
    attributes.remove(PrinterJobWrapper.class);
    if (newService == null) {
        return false;
    }
    if (!service.equals(newService)) {
        try {
            setPrintService(newService);
        } catch (PrinterException e) {
            /*
                 * The only time it would throw an exception is when
                 * newService is no longer available but we should still
                 * select this printer.
                 */
            myService = newService;
        }
    }
    return true;
}

Example 23 with HeadlessException

use of java.awt.HeadlessException in project jdk8u_jdk by JetBrains.

the class RasterPrinterJob method pageDialog.

/**
     * return a PageFormat corresponding to the updated attributes,
     * or null if the user cancelled the dialog.
     */
public PageFormat pageDialog(final PrintRequestAttributeSet attributes) throws HeadlessException {
    if (GraphicsEnvironment.isHeadless()) {
        throw new HeadlessException();
    }
    DialogTypeSelection dlg = (DialogTypeSelection) attributes.get(DialogTypeSelection.class);
    // Check for native, note that default dialog is COMMON.
    if (dlg == DialogTypeSelection.NATIVE) {
        PrintService pservice = getPrintService();
        PageFormat pageFrmAttrib = attributeToPageFormat(pservice, attributes);
        setParentWindowID(attributes);
        PageFormat page = pageDialog(pageFrmAttrib);
        clearParentWindowID();
        // page object and as per spec, we should return null in that case.
        if (page == pageFrmAttrib) {
            return null;
        }
        updateAttributesWithPageFormat(pservice, page, attributes);
        return page;
    }
    final GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
    Rectangle bounds = gc.getBounds();
    int x = bounds.x + bounds.width / 3;
    int y = bounds.y + bounds.height / 3;
    PrintService service = (PrintService) java.security.AccessController.doPrivileged(new java.security.PrivilegedAction() {

        public Object run() {
            PrintService service = getPrintService();
            if (service == null) {
                ServiceDialog.showNoPrintService(gc);
                return null;
            }
            return service;
        }
    });
    if (service == null) {
        return null;
    }
    if (onTop != null) {
        attributes.add(onTop);
    }
    ServiceDialog pageDialog = new ServiceDialog(gc, x, y, service, DocFlavor.SERVICE_FORMATTED.PAGEABLE, attributes, (Frame) null);
    pageDialog.show();
    if (pageDialog.getStatus() == ServiceDialog.APPROVE) {
        PrintRequestAttributeSet newas = pageDialog.getAttributes();
        Class amCategory = SunAlternateMedia.class;
        if (attributes.containsKey(amCategory) && !newas.containsKey(amCategory)) {
            attributes.remove(amCategory);
        }
        attributes.addAll(newas);
        return attributeToPageFormat(service, attributes);
    } else {
        return null;
    }
}

Example 24 with HeadlessException

use of java.awt.HeadlessException in project JMRI by JMRI.

the class ReportContext method addScreenSize.

/**
     * Provide screen - size information. This is based on the
     * jmri.util.JmriJFrame calculation, but isn't refactored to there because
     * we also want diagnostic info
     */
public void addScreenSize() {
    try {
        // Find screen size. This throws null-pointer exceptions on
        // some Java installs, however, for unknown reasons, so be
        // prepared to fall back.
        JFrame dummy = new JFrame();
        try {
            Insets insets = dummy.getToolkit().getScreenInsets(dummy.getGraphicsConfiguration());
            Dimension screen = dummy.getToolkit().getScreenSize();
            addString("Screen size h:" + screen.height + ", w:" + screen.width + " Inset t:" + insets.top + ", b:" + insets.bottom + "; l:" + insets.left + ", r:" + insets.right);
        } catch (NoSuchMethodError ex) {
            Dimension screen = dummy.getToolkit().getScreenSize();
            addString("Screen size h:" + screen.height + ", w:" + screen.width + " (No Inset method available)");
        }
    } catch (HeadlessException ex) {
        // failed, fall back to standard method
        addString("(Cannot sense screen size due to " + ex.toString() + ")");
    }
    try {
        // Find screen resolution. Not expected to fail, but just in case....
        int dpi = Toolkit.getDefaultToolkit().getScreenResolution();
        addString("Screen resolution: " + dpi);
    } catch (HeadlessException ex) {
        addString("Screen resolution not available");
    }
    //Rectangle virtualBounds = new Rectangle();
    try {
        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
        addString("Environment max bounds: " + ge.getMaximumWindowBounds());
        try {
            GraphicsDevice[] gs = ge.getScreenDevices();
            for (GraphicsDevice gd : gs) {
                GraphicsConfiguration[] gc = gd.getConfigurations();
                for (int i = 0; i < gc.length; i++) {
                    addString("bounds[" + i + "] = " + gc[i].getBounds());
                // virtualBounds = virtualBounds.union(gc[i].getBounds());
                }
                addString("Device: " + gd.getIDstring() + " bounds = " + gd.getDefaultConfiguration().getBounds() + " " + gd.getDefaultConfiguration().toString());
            }
        } catch (HeadlessException ex) {
            addString("Exception getting device bounds " + ex.getMessage());
        }
    } catch (HeadlessException ex) {
        addString("Exception getting max window bounds " + ex.getMessage());
    }
    // various Linux window managers
    try {
        Insets jmriInsets = JmriInsets.getInsets();
        addString("JmriInsets t:" + jmriInsets.top + ", b:" + jmriInsets.bottom + "; l:" + jmriInsets.left + ", r:" + jmriInsets.right);
    } catch (Exception ex) {
        addString("Exception getting JmriInsets" + ex.getMessage());
    }
}

Example 25 with HeadlessException

use of java.awt.HeadlessException in project JMRI by JMRI.

the class InputWindow method storeFile.

/**
     * Save the contents of this input window to a file.
     *
     * @param fileChooser the chooser to select the file with
     * @return true if successful; false otherwise
     */
protected boolean storeFile(JFileChooser fileChooser) {
    boolean results = false;
    File file = getFile(fileChooser);
    if (file != null) {
        try {
            // check for possible overwrite
            if (file.exists()) {
                int selectedValue = JOptionPane.showConfirmDialog(null, "File " + file.getName() + " already exists, overwrite it?", "Overwrite file?", JOptionPane.OK_CANCEL_OPTION);
                if (selectedValue != JOptionPane.OK_OPTION) {
                    // user clicked no to override
                    results = false;
                    return results;
                }
            }
            StringBuilder fileData = new StringBuilder(area.getText());
            try (BufferedWriter writer = new BufferedWriter(new FileWriter(file))) {
                writer.append(fileData);
            }
        } catch (HeadlessException | IOException e) {
            log.error("Unhandled problem in storeFile: " + e);
        }
    } else {
        // If the file is null then the user has clicked cancel.
        results = true;
    }
    return results;
}