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org.webswing.toolkit.util.WebPrintDialog Maven / Gradle / Ivy
package org.webswing.toolkit.util;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.text.DecimalFormat;
import java.util.*;
import javax.print.DocFlavor;
import javax.print.PrintService;
import javax.print.PrintServiceLookup;
import javax.print.attribute.Attribute;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.Size2DSyntax;
import javax.print.attribute.standard.*;
import javax.swing.*;
import javax.swing.event.PopupMenuListener;
import javax.swing.text.NumberFormatter;
import org.webswing.toolkit.WebPrintService;
public class WebPrintDialog extends JDialog {
private static final long serialVersionUID = 7094056515358259815L;
private static ResourceBundle messages = ResourceBundle.getBundle("org.webswing.toolkit.util.WebPrintDialogResources");
private JButton cancel;
private JButton approve;
private JPanel content;
private int status;
private MediaPanel mediaPanel;
private MarginsPanel marginsPanel;
private PrintRangePanel rangePanel;
private PrintService[] services;
private int defaultServiceIndex;
private PrintService service;
private PrintRequestAttributeSet asCurrent;
private DocFlavor docFlavor;
public WebPrintDialog(PrintService[] services, int defaultServiceIndex, PrintRequestAttributeSet as, DocFlavor docFlavor) {
super((JFrame) null, getMsg("dialog.printtitle"), true);
this.defaultServiceIndex = defaultServiceIndex;
this.asCurrent = new HashPrintRequestAttributeSet(as);
this.docFlavor = docFlavor;
this.services = services;
try {
this.service = Arrays.asList(services).get(defaultServiceIndex);
} catch (IndexOutOfBoundsException e) {
if (services.length > 0) {
defaultServiceIndex = 0;
service = services[0];
}
}
initDialog();
}
public static String getMsg(String key) {
try {
return removeMnemonics(messages.getString(key));
} catch (MissingResourceException e) {
return key;
}
}
private static String removeMnemonics(String paramString) {
int i = paramString.indexOf('&');
int j = paramString.length();
if ((i < 0) || (i == j - 1)) {
return paramString;
}
int k = paramString.indexOf('&', i + 1);
if (k == i + 1) {
if (k + 1 == j) {
return paramString.substring(0, i + 1);
}
return paramString.substring(0, i + 1) + removeMnemonics(paramString.substring(k + 1));
}
if (i == 0) {
return removeMnemonics(paramString.substring(1));
}
return paramString.substring(0, i) + removeMnemonics(paramString.substring(i + 1));
}
@SuppressWarnings("serial")
private void initDialog() {
Container pane = getContentPane();
pane.setLayout(new BorderLayout());
content = new JPanel();
GridBagLayout layout = new GridBagLayout();
GridBagConstraints constraints = new GridBagConstraints();
constraints.fill = GridBagConstraints.BOTH;
constraints.insets = new Insets(6, 6, 6, 6);
constraints.weightx = 1.0D;
constraints.weighty = 1.0D;
content.setLayout(layout);
mediaPanel = new MediaPanel();
rangePanel = new PrintRangePanel();
marginsPanel = new MarginsPanel();
mediaPanel.addOrientationListener(marginsPanel);
constraints.gridwidth = GridBagConstraints.REMAINDER;
layout.setConstraints(mediaPanel, constraints);
content.add(mediaPanel);
constraints.gridwidth = GridBagConstraints.RELATIVE;
layout.setConstraints(rangePanel, constraints);
content.add(rangePanel);
constraints.gridwidth = GridBagConstraints.REMAINDER;
layout.setConstraints(marginsPanel, constraints);
content.add(marginsPanel);
pane.add(content, "Center");
update();
JPanel btns = new JPanel(new FlowLayout(4));
approve = new JButton(getMsg("button.print"));
approve.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
dispose(1);
}
});
btns.add(approve);
getRootPane().setDefaultButton(approve);
cancel = new JButton(getMsg("button.cancel"));
cancel.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
dispose(2);
}
});
//cancel on esc
if ((cancel.getInputMap(2) != null) && (cancel.getActionMap() != null)) {
cancel.getInputMap(2).put(KeyStroke.getKeyStroke(27, 0), "cancel");
cancel.getActionMap().put("cancel", new AbstractAction() {
@Override
public void actionPerformed(ActionEvent e) {
dispose(2);
}
});
}
btns.add(cancel);
pane.add(btns, "South");
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
dispose(2);
}
});
setResizable(false);
pack();
Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();
int x = (int) ((dimension.getWidth() - getWidth()) / 2);
int y = (int) ((dimension.getHeight() - getHeight()) / 2);
setLocation(x, y);
}
private void update() {
mediaPanel.updateInfo();
rangePanel.updateInfo();
marginsPanel.updateInfo();
}
private String getMediaName(String media) {
try {
String str = media.replace(' ', '-');
str = str.replace('#', 'n');
return messages.getString(str);
} catch (MissingResourceException localMissingResourceException) {
}
return media;
}
public void dispose(int paramInt) {
status = paramInt;
super.dispose();
}
public int getStatus() {
return status;
}
public PrintService getService() {
return service;
}
public PrintRequestAttributeSet getAttributes() {
return asCurrent;
}
@SuppressWarnings({ "rawtypes", "unchecked" })
class MediaPanel extends JPanel implements ItemListener {
private static final long serialVersionUID = 3809387570018736561L;
private MarginsPanel pnlMargins;
private JComboBox cbService;
private JComboBox cbOrientation;
private JComboBox cbSize;
private ArrayList allMedia = new ArrayList();
public MediaPanel() {
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
setLayout(gridbag);
setBorder(BorderFactory.createTitledBorder(getMsg("border.media")));
String[] psnames = new String[services.length];
for (int i = 0; i < psnames.length; i++) {
psnames[i] = services[i].getName();
}
cbService = new JComboBox(psnames);
cbService.setSelectedIndex(defaultServiceIndex);
cbService.addItemListener(this);
cbSize = new JComboBox(new DefaultComboBoxModel());
cbOrientation = new JComboBox();
c.fill = GridBagConstraints.BOTH;
c.insets = new Insets(3, 6, 3, 6);
c.weighty = 1.0;
c.weightx = 0.0;
JLabel lblService = new JLabel(getMsg("label.psname"), JLabel.TRAILING);
lblService.setLabelFor(cbSize);
addToGB(lblService, this, gridbag, c);
c.weightx = 1.0;
c.gridwidth = GridBagConstraints.REMAINDER;
addToGB(cbService, this, gridbag, c);
c.weightx = 0.0;
c.gridwidth = 1;
JLabel lblSize = new JLabel(getMsg("label.size"), JLabel.TRAILING);
lblSize.setLabelFor(cbSize);
addToGB(lblSize, this, gridbag, c);
c.weightx = 1.0;
c.gridwidth = GridBagConstraints.REMAINDER;
addToGB(cbSize, this, gridbag, c);
c.weightx = 0.0;
c.gridwidth = 1;
JLabel lblSource = new JLabel(getMsg("border.orientation") + ":", JLabel.TRAILING);
lblSource.setLabelFor(cbOrientation);
addToGB(lblSource, this, gridbag, c);
c.gridwidth = GridBagConstraints.REMAINDER;
addToGB(cbOrientation, this, gridbag, c);
//init data
loadMediaSizes();
final List orientations = new ArrayList();
cbOrientation.addItem(getMsg("radiobutton.portrait"));
orientations.add(OrientationRequested.PORTRAIT);
cbOrientation.addItem(getMsg("radiobutton.landscape"));
orientations.add(OrientationRequested.LANDSCAPE);
//change listener
cbSize.addItemListener(new ItemListener() {
@Override
public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) {
int i = cbSize.getSelectedIndex();
if ((i >= 0) && (i < allMedia.size())) {
asCurrent.add((MediaSizeName) allMedia.get(i));
}
}
if (pnlMargins != null) {
pnlMargins.updateInfo();
}
}
});
cbOrientation.addItemListener(new ItemListener() {
@Override
public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) {
int i = cbOrientation.getSelectedIndex();
if ((i >= 0) && (i < orientations.size())) {
asCurrent.add((OrientationRequested) orientations.get(i));
}
}
if (pnlMargins != null) {
pnlMargins.updateInfo();
}
}
});
}
private void loadMediaSizes() {
cbSize.removeAllItems();
if (service != null && service.isAttributeCategorySupported(Media.class)) {
Object mediaArrayObject = service.getSupportedAttributeValues(Media.class, docFlavor, asCurrent);
Media[] mediaArray;
Media media;
if ((mediaArrayObject instanceof Media[])) {
mediaArray = (Media[]) mediaArrayObject;
for (int i = 0; i < mediaArray.length; i++) {
media = mediaArray[i];
if ((media instanceof MediaSizeName)) {
cbSize.addItem(getMediaName(((Media) media).toString()));
allMedia.add((Media) media);
}
}
}
}
}
public void updateInfo() {
if (service != null) {
Media currentMedia = (Media) asCurrent.get(Media.class);
Media defaultMedia = (Media) service.getDefaultAttributeValue(Media.class);
if ((currentMedia == null) || (!service.isAttributeValueSupported((Attribute) currentMedia, docFlavor, asCurrent))) {
currentMedia = defaultMedia;
cbSize.setSelectedIndex(allMedia.size() > 0 ? allMedia.indexOf(defaultMedia) : -1);
asCurrent.add((Attribute) currentMedia);
} else {
cbSize.setSelectedIndex(allMedia.indexOf(currentMedia));
}
OrientationRequested or = (OrientationRequested) asCurrent.get(OrientationRequested.class);
if (or == null || !service.isAttributeValueSupported(or, docFlavor, asCurrent)) {
or = (OrientationRequested) service.getDefaultAttributeValue(OrientationRequested.class);
if (or == null) {
or = OrientationRequested.PORTRAIT;
}
asCurrent.add(or);
}
if (or == OrientationRequested.PORTRAIT) {
cbOrientation.setSelectedIndex(0);
} else if (or == OrientationRequested.LANDSCAPE) {
cbOrientation.setSelectedIndex(1);
} else {
cbOrientation.setSelectedIndex(0);
}
}
}
private void addToGB(JComponent cbOr, MediaPanel mediaPanel, GridBagLayout gridbag, GridBagConstraints c) {
gridbag.setConstraints(cbOr, c);
this.add(cbOr);
}
void addOrientationListener(MarginsPanel pnl) {
pnlMargins = pnl;
}
@Override
public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED) {
int index = cbService.getSelectedIndex();
if ((index >= 0) && (index < services.length)) {
if (!services[index].equals(service)) {
service = services[index];
loadMediaSizes();
updateInfo();
}
}
}
}
}
class MarginsPanel extends JPanel implements ActionListener, FocusListener {
private static final long serialVersionUID = 6865833608103747234L;
private final String strTitle = getMsg("border.margins");
private JFormattedTextField leftMargin, rightMargin, topMargin, bottomMargin;
private JLabel lblLeft, lblRight, lblTop, lblBottom;
private int units = MediaPrintableArea.MM;
// storage for the last margin values calculated, -ve is uninitialised
private float lmVal = -1f, rmVal = -1f, tmVal = -1f, bmVal = -1f;
// storage for margins as objects mapped into orientation for display
private Float lmObj, rmObj, tmObj, bmObj;
public MarginsPanel() {
super();
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.HORIZONTAL;
c.weightx = 1.0;
c.weighty = 0.0;
c.insets = new Insets(6, 3, 6, 3);
setLayout(gridbag);
setBorder(BorderFactory.createTitledBorder(strTitle));
String unitsKey = "label.millimetres";
String defaultCountry = Locale.getDefault().getCountry();
if (defaultCountry != null && (defaultCountry.equals("") || defaultCountry.equals(Locale.US.getCountry()) || defaultCountry.equals(Locale.CANADA.getCountry()))) {
unitsKey = "label.inches";
units = MediaPrintableArea.INCH;
}
String unitsMsg = getMsg(unitsKey);
DecimalFormat format;
if (units == MediaPrintableArea.MM) {
format = new DecimalFormat("###.##");
format.setMaximumIntegerDigits(3);
} else {
format = new DecimalFormat("##.##");
format.setMaximumIntegerDigits(2);
}
format.setMinimumFractionDigits(1);
format.setMaximumFractionDigits(2);
format.setMinimumIntegerDigits(1);
format.setParseIntegerOnly(false);
format.setDecimalSeparatorAlwaysShown(true);
NumberFormatter nf = new NumberFormatter(format);
nf.setMinimum(new Float(0.0f));
nf.setMaximum(new Float(999.0f));
nf.setAllowsInvalid(true);
nf.setCommitsOnValidEdit(true);
leftMargin = new JFormattedTextField(nf);
leftMargin.addFocusListener(this);
leftMargin.addActionListener(this);
leftMargin.getAccessibleContext().setAccessibleName(getMsg("label.leftmargin"));
rightMargin = new JFormattedTextField(nf);
rightMargin.addFocusListener(this);
rightMargin.addActionListener(this);
rightMargin.getAccessibleContext().setAccessibleName(getMsg("label.rightmargin"));
topMargin = new JFormattedTextField(nf);
topMargin.addFocusListener(this);
topMargin.addActionListener(this);
topMargin.getAccessibleContext().setAccessibleName(getMsg("label.topmargin"));
bottomMargin = new JFormattedTextField(nf);
bottomMargin.addFocusListener(this);
bottomMargin.addActionListener(this);
bottomMargin.getAccessibleContext().setAccessibleName(getMsg("label.bottommargin"));
c.gridwidth = GridBagConstraints.RELATIVE;
lblLeft = new JLabel(getMsg("label.leftmargin") + " " + unitsMsg, JLabel.LEADING);
lblLeft.setLabelFor(leftMargin);
addToGB(lblLeft, this, gridbag, c);
c.gridwidth = GridBagConstraints.REMAINDER;
lblRight = new JLabel(getMsg("label.rightmargin") + " " + unitsMsg, JLabel.LEADING);
lblRight.setLabelFor(rightMargin);
addToGB(lblRight, this, gridbag, c);
c.gridwidth = GridBagConstraints.RELATIVE;
addToGB(leftMargin, this, gridbag, c);
c.gridwidth = GridBagConstraints.REMAINDER;
addToGB(rightMargin, this, gridbag, c);
// add an invisible spacing component.
addToGB(new JPanel(), this, gridbag, c);
c.gridwidth = GridBagConstraints.RELATIVE;
lblTop = new JLabel(getMsg("label.topmargin") + " " + unitsMsg, JLabel.LEADING);
lblTop.setLabelFor(topMargin);
addToGB(lblTop, this, gridbag, c);
c.gridwidth = GridBagConstraints.REMAINDER;
lblBottom = new JLabel(getMsg("label.bottommargin") + " " + unitsMsg, JLabel.LEADING);
lblBottom.setLabelFor(bottomMargin);
addToGB(lblBottom, this, gridbag, c);
c.gridwidth = GridBagConstraints.RELATIVE;
addToGB(topMargin, this, gridbag, c);
c.gridwidth = GridBagConstraints.REMAINDER;
addToGB(bottomMargin, this, gridbag, c);
}
private void addToGB(JComponent cbOr, JPanel mediaPanel, GridBagLayout gridbag, GridBagConstraints c) {
gridbag.setConstraints(cbOr, c);
this.add(cbOr);
}
public void actionPerformed(ActionEvent e) {
Object source = e.getSource();
updateMargins(source);
}
public void focusLost(FocusEvent e) {
Object source = e.getSource();
updateMargins(source);
}
@Override
public void focusGained(FocusEvent e) {
if (e.getSource() instanceof JFormattedTextField) {
final JFormattedTextField ff = (JFormattedTextField) e.getSource();
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
ff.selectAll();
}
});
}
}
@SuppressWarnings({ "rawtypes", "unchecked" })
public void updateMargins(Object source) {
if (!(source instanceof JFormattedTextField)) {
return;
} else {
JFormattedTextField tf = (JFormattedTextField) source;
Float val = (Float) tf.getValue();
if (val == null) {
return;
}
if (tf == leftMargin && val.equals(lmObj)) {
return;
}
if (tf == rightMargin && val.equals(rmObj)) {
return;
}
if (tf == topMargin && val.equals(tmObj)) {
return;
}
if (tf == bottomMargin && val.equals(bmObj)) {
return;
}
}
Float lmTmpObj = (Float) leftMargin.getValue();
Float rmTmpObj = (Float) rightMargin.getValue();
Float tmTmpObj = (Float) topMargin.getValue();
Float bmTmpObj = (Float) bottomMargin.getValue();
float lm = lmTmpObj.floatValue();
float rm = rmTmpObj.floatValue();
float tm = tmTmpObj.floatValue();
float bm = bmTmpObj.floatValue();
/* adjust for orientation */
Class orCategory = OrientationRequested.class;
OrientationRequested or = (OrientationRequested) asCurrent.get(orCategory);
if (or == null && service != null) {
or = (OrientationRequested) service.getDefaultAttributeValue(orCategory);
}
float tmp;
if (or == OrientationRequested.REVERSE_PORTRAIT) {
tmp = lm;
lm = rm;
rm = tmp;
tmp = tm;
tm = bm;
bm = tmp;
} else if (or == OrientationRequested.LANDSCAPE) {
tmp = lm;
lm = tm;
tm = rm;
rm = bm;
bm = tmp;
} else if (or == OrientationRequested.REVERSE_LANDSCAPE) {
tmp = lm;
lm = bm;
bm = rm;
rm = tm;
tm = tmp;
}
MediaPrintableArea mpa;
if ((mpa = validateMargins(lm, rm, tm, bm)) != null) {
asCurrent.add(mpa);
lmVal = lm;
rmVal = rm;
tmVal = tm;
bmVal = bm;
lmObj = lmTmpObj;
rmObj = rmTmpObj;
tmObj = tmTmpObj;
bmObj = bmTmpObj;
} else {
if (lmObj == null || rmObj == null || tmObj == null || rmObj == null) {
return;
} else {
leftMargin.setValue(lmObj);
rightMargin.setValue(rmObj);
topMargin.setValue(tmObj);
bottomMargin.setValue(bmObj);
}
}
}
@SuppressWarnings({ "rawtypes", "unchecked" })
private MediaPrintableArea validateMargins(float lm, float rm, float tm, float bm) {
if (service != null) {
Class mpaCategory = MediaPrintableArea.class;
MediaPrintableArea mpaMax = null;
MediaSize mediaSize = null;
Media media = (Media) asCurrent.get(Media.class);
if (media == null || !(media instanceof MediaSizeName)) {
media = (Media) service.getDefaultAttributeValue(Media.class);
}
if (media != null && (media instanceof MediaSizeName)) {
MediaSizeName msn = (MediaSizeName) media;
mediaSize = MediaSize.getMediaSizeForName(msn);
}
if (mediaSize == null) {
mediaSize = new MediaSize(8.5f, 11f, Size2DSyntax.INCH);
}
if (media != null) {
PrintRequestAttributeSet tmpASet = new HashPrintRequestAttributeSet(asCurrent);
tmpASet.add(media);
Object values = service.getSupportedAttributeValues(mpaCategory, docFlavor, tmpASet);
if (values instanceof MediaPrintableArea[] && ((MediaPrintableArea[]) values).length > 0) {
mpaMax = ((MediaPrintableArea[]) values)[0];
}
}
if (mpaMax == null) {
mpaMax = new MediaPrintableArea(0f, 0f, mediaSize.getX(units), mediaSize.getY(units), units);
}
float wid = mediaSize.getX(units);
float hgt = mediaSize.getY(units);
float pax = lm;
float pay = tm;
float paw = wid - lm - rm;
float pah = hgt - tm - bm;
if (paw <= 0f || pah <= 0f || pax < 0f || pay < 0f || pax < mpaMax.getX(units) || paw > mpaMax.getWidth(units) || pay < mpaMax.getY(units) || pah > mpaMax.getHeight(units)) {
return null;
} else {
return new MediaPrintableArea(lm, tm, paw, pah, units);
}
}
return null;
}
/* This is complex as a MediaPrintableArea is valid only within
* a particular context of media size.
* So we need a MediaSize as well as a MediaPrintableArea.
* MediaSize can be obtained from MediaSizeName.
* If the application specifies a MediaPrintableArea, we accept it
* to the extent its valid for the Media they specify. If they
* don't specify a Media, then the default is assumed.
*
* If an application doesn't define a MediaPrintableArea, we need to
* create a suitable one, this is created using the specified (or
* default) Media and default 1 inch margins. This is validated
* against the paper in case this is too large for tiny media.
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public void updateInfo() {
if (service != null) {
Class mpaCategory = MediaPrintableArea.class;
MediaPrintableArea mpa = (MediaPrintableArea) asCurrent.get(mpaCategory);
MediaPrintableArea mpaMax = null;
MediaSize mediaSize = null;
Media media = (Media) asCurrent.get(Media.class);
if (media == null || !(media instanceof MediaSizeName)) {
media = (Media) service.getDefaultAttributeValue(Media.class);
}
if (media != null && (media instanceof MediaSizeName)) {
MediaSizeName msn = (MediaSizeName) media;
mediaSize = MediaSize.getMediaSizeForName(msn);
}
if (mediaSize == null) {
mediaSize = new MediaSize(8.5f, 11f, Size2DSyntax.INCH);
}
if (media != null) {
PrintRequestAttributeSet tmpASet = new HashPrintRequestAttributeSet(asCurrent);
tmpASet.add(media);
Object values = service.getSupportedAttributeValues(mpaCategory, docFlavor, tmpASet);
if (values instanceof MediaPrintableArea[] && ((MediaPrintableArea[]) values).length > 0) {
mpaMax = ((MediaPrintableArea[]) values)[0];
} else if (values instanceof MediaPrintableArea) {
mpaMax = (MediaPrintableArea) values;
}
}
if (mpaMax == null) {
mpaMax = new MediaPrintableArea(0f, 0f, mediaSize.getX(units), mediaSize.getY(units), units);
}
/*
* At this point we now know as best we can :-
* - the media size
* - the maximum corresponding printable area
* - the media printable area specified by the client, if any.
* The next step is to create a default MPA if none was specified.
* 1" margins are used unless they are disproportionately
* large compared to the size of the media.
*/
float wid = mediaSize.getX(MediaPrintableArea.INCH);
float hgt = mediaSize.getY(MediaPrintableArea.INCH);
float maxMarginRatio = 5f;
float xMgn, yMgn;
if (wid > maxMarginRatio) {
xMgn = 1f;
} else {
xMgn = wid / maxMarginRatio;
}
if (hgt > maxMarginRatio) {
yMgn = 1f;
} else {
yMgn = hgt / maxMarginRatio;
}
if (mpa == null) {
mpa = new MediaPrintableArea(xMgn, yMgn, wid - (2 * xMgn), hgt - (2 * yMgn), MediaPrintableArea.INCH);
asCurrent.add(mpa);
}
float pax = mpa.getX(units);
float pay = mpa.getY(units);
float paw = mpa.getWidth(units);
float pah = mpa.getHeight(units);
float paxMax = mpaMax.getX(units);
float payMax = mpaMax.getY(units);
float pawMax = mpaMax.getWidth(units);
float pahMax = mpaMax.getHeight(units);
boolean invalid = false;
// If the paper is set to something which is too small to
// accommodate a specified printable area, perhaps carried
// over from a larger paper, the adjustment that needs to be
// performed should seem the most natural from a user's viewpoint.
// Since the user is specifying margins, then we are biased
// towards keeping the margins as close to what is specified as
// possible, shrinking or growing the printable area.
// But the API uses printable area, so you need to know the
// media size in which the margins were previously interpreted,
// or at least have a record of the margins.
// In the case that this is the creation of this UI we do not
// have this record, so we are somewhat reliant on the client
// to supply a reasonable default
wid = mediaSize.getX(units);
hgt = mediaSize.getY(units);
if (lmVal >= 0f) {
invalid = true;
if (lmVal + rmVal > wid) {
// margins impossible, but maintain P.A if can
if (paw > pawMax) {
paw = pawMax;
}
// try to centre the printable area.
pax = (wid - paw) / 2f;
} else {
pax = (lmVal >= paxMax) ? lmVal : paxMax;
paw = wid - pax - rmVal;
}
if (tmVal + bmVal > hgt) {
if (pah > pahMax) {
pah = pahMax;
}
pay = (hgt - pah) / 2f;
} else {
pay = (tmVal >= payMax) ? tmVal : payMax;
pah = hgt - pay - bmVal;
}
}
if (pax < paxMax) {
invalid = true;
pax = paxMax;
}
if (pay < payMax) {
invalid = true;
pay = payMax;
}
if (paw > pawMax) {
invalid = true;
paw = pawMax;
}
if (pah > pahMax) {
invalid = true;
pah = pahMax;
}
if ((pax + paw > paxMax + pawMax) || (paw <= 0f)) {
invalid = true;
pax = paxMax;
paw = pawMax;
}
if ((pay + pah > payMax + pahMax) || (pah <= 0f)) {
invalid = true;
pay = payMax;
pah = pahMax;
}
if (invalid) {
mpa = new MediaPrintableArea(pax, pay, paw, pah, units);
asCurrent.add(mpa);
}
/* We now have a valid printable area.
* Turn it into margins, using the mediaSize
*/
lmVal = pax;
tmVal = pay;
rmVal = mediaSize.getX(units) - pax - paw;
bmVal = mediaSize.getY(units) - pay - pah;
lmObj = new Float(lmVal);
rmObj = new Float(rmVal);
tmObj = new Float(tmVal);
bmObj = new Float(bmVal);
/* Now we know the values to use, we need to assign them
* to the fields appropriate for the orientation.
* Note: if orientation changes this method must be called.
*/
Class orCategory = OrientationRequested.class;
OrientationRequested or = (OrientationRequested) asCurrent.get(orCategory);
if (or == null && service!=null) {
or = (OrientationRequested) service.getDefaultAttributeValue(orCategory);
}
Float tmp;
if (or == OrientationRequested.REVERSE_PORTRAIT) {
tmp = lmObj;
lmObj = rmObj;
rmObj = tmp;
tmp = tmObj;
tmObj = bmObj;
bmObj = tmp;
} else if (or == OrientationRequested.LANDSCAPE) {
tmp = lmObj;
lmObj = bmObj;
bmObj = rmObj;
rmObj = tmObj;
tmObj = tmp;
} else if (or == OrientationRequested.REVERSE_LANDSCAPE) {
tmp = lmObj;
lmObj = tmObj;
tmObj = rmObj;
rmObj = bmObj;
bmObj = tmp;
}
leftMargin.setValue(lmObj);
rightMargin.setValue(rmObj);
topMargin.setValue(tmObj);
bottomMargin.setValue(bmObj);
}
}
}
class PrintRangePanel extends JPanel implements ActionListener, FocusListener {
private static final long serialVersionUID = 2524487233256169427L;
private final String strTitle = getMsg("border.printrange");
private final PageRanges prAll = new PageRanges(1, Integer.MAX_VALUE);
private JRadioButton rbAll, rbPages;
private JFormattedTextField tfRangeFrom, tfRangeTo;
private JLabel lblRangeTo;
private boolean prSupported;
public PrintRangePanel() {
super();
GridBagLayout gridbag = new GridBagLayout();
GridBagConstraints c = new GridBagConstraints();
setLayout(gridbag);
setBorder(BorderFactory.createTitledBorder(strTitle));
c.fill = GridBagConstraints.BOTH;
c.insets = new Insets(6, 3, 6, 3);
c.gridwidth = GridBagConstraints.REMAINDER;
c.anchor = GridBagConstraints.LINE_START;
ButtonGroup bg = new ButtonGroup();
JPanel pnlTop = new JPanel(new BorderLayout());
rbAll = new JRadioButton(getMsg("radiobutton.rangeall"));
rbAll.addActionListener(this);
rbAll.setSelected(true);
bg.add(rbAll);
pnlTop.add(rbAll, BorderLayout.PAGE_START);
addToGB(pnlTop, this, gridbag, c);
JPanel pnlBottom = new JPanel(new BorderLayout());
JPanel pnlBottom2 = new JPanel(new FlowLayout(FlowLayout.LEADING));
rbPages = new JRadioButton(getMsg("radiobutton.rangepages"));
rbPages.addActionListener(this);
bg.add(rbPages);
pnlBottom.add(rbPages, BorderLayout.PAGE_START);
DecimalFormat format = new DecimalFormat("####0");
format.setMinimumFractionDigits(0);
format.setMaximumFractionDigits(0);
format.setMinimumIntegerDigits(0);
format.setMaximumIntegerDigits(5);
format.setParseIntegerOnly(true);
format.setDecimalSeparatorAlwaysShown(false);
NumberFormatter nf = new NumberFormatter(format);
nf.setMinimum(new Integer(1));
nf.setMaximum(new Integer(Integer.MAX_VALUE));
nf.setAllowsInvalid(true);
nf.setCommitsOnValidEdit(true);
tfRangeFrom = new JFormattedTextField(nf);
tfRangeFrom.setColumns(4);
tfRangeFrom.setEnabled(false);
tfRangeFrom.addActionListener(this);
tfRangeFrom.addFocusListener(this);
tfRangeFrom.setFocusLostBehavior(JFormattedTextField.PERSIST);
tfRangeFrom.getAccessibleContext().setAccessibleName(getMsg("radiobutton.rangepages"));
pnlBottom2.add(tfRangeFrom);
lblRangeTo = new JLabel(getMsg("label.rangeto"));
lblRangeTo.setEnabled(false);
pnlBottom2.add(lblRangeTo);
NumberFormatter nfto;
try {
nfto = (NumberFormatter) nf.clone();
} catch (CloneNotSupportedException e) {
nfto = new NumberFormatter();
}
tfRangeTo = new JFormattedTextField(nfto);
tfRangeTo.setColumns(4);
tfRangeTo.setEnabled(false);
tfRangeTo.addFocusListener(this);
tfRangeTo.getAccessibleContext().setAccessibleName(getMsg("label.rangeto"));
pnlBottom2.add(tfRangeTo);
pnlBottom.add(pnlBottom2, BorderLayout.PAGE_END);
addToGB(pnlBottom, this, gridbag, c);
}
private void addToGB(JComponent cbOr, JPanel mediaPanel, GridBagLayout gridbag, GridBagConstraints c) {
gridbag.setConstraints(cbOr, c);
this.add(cbOr);
}
public void actionPerformed(ActionEvent e) {
Object source = e.getSource();
setupRangeWidgets();
if (source == rbAll) {
asCurrent.add(prAll);
} else {
updateRangeAttribute();
}
}
public void focusLost(FocusEvent e) {
Object source = e.getSource();
if ((source == tfRangeFrom) || (source == tfRangeTo)) {
updateRangeAttribute();
}
}
public void focusGained(FocusEvent e) {
Object source = e.getSource();
if ((source == tfRangeFrom) || (source == tfRangeTo)) {
final JFormattedTextField ff = (JFormattedTextField) source;
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
ff.selectAll();
}
});
}
}
private void setupRangeWidgets() {
boolean rangeEnabled = (rbPages.isSelected() && prSupported);
tfRangeFrom.setEnabled(rangeEnabled);
tfRangeTo.setEnabled(rangeEnabled);
lblRangeTo.setEnabled(rangeEnabled);
}
private void updateRangeAttribute() {
String strFrom = tfRangeFrom.getText();
String strTo = tfRangeTo.getText();
int min;
int max;
try {
min = Integer.parseInt(strFrom);
} catch (NumberFormatException e) {
min = 1;
}
try {
max = Integer.parseInt(strTo);
} catch (NumberFormatException e) {
max = min;
}
if (min < 1) {
min = 1;
tfRangeFrom.setValue(new Integer(1));
}
if (max < min) {
max = min;
tfRangeTo.setValue(new Integer(min));
}
PageRanges pr = new PageRanges(min, max);
asCurrent.add(pr);
}
@SuppressWarnings({ "restriction", "rawtypes", "unchecked" })
public void updateInfo() {
if (service != null) {
Class prCategory = PageRanges.class;
prSupported = false;
if (service.isAttributeCategorySupported(prCategory)) {
prSupported = true;
}
sun.print.SunPageSelection select = sun.print.SunPageSelection.ALL;
int min = 1;
int max = 1;
PageRanges pr = (PageRanges) asCurrent.get(prCategory);
if (pr != null) {
if (!pr.equals(prAll)) {
select = sun.print.SunPageSelection.RANGE;
int[][] members = pr.getMembers();
if ((members.length > 0) && (members[0].length > 1)) {
min = members[0][0];
max = members[0][1];
}
}
}
if (select == sun.print.SunPageSelection.ALL) {
rbAll.setSelected(true);
} else { // RANGE
rbPages.setSelected(true);
}
tfRangeFrom.setValue(new Integer(min));
tfRangeTo.setValue(new Integer(max));
rbAll.setEnabled(prSupported);
rbPages.setEnabled(prSupported);
setupRangeWidgets();
}
}
}
public static void main(String[] args) {
// new WebPrintDialog(new PrintService[] { WebPrintService.getService() }, 0, new HashPrintRequestAttributeSet(), null).setVisible(true);
new WebPrintDialog(new PrintService[] { WebPrintService.getService(),PrintServiceLookup.lookupDefaultPrintService() }, 0, new HashPrintRequestAttributeSet(), null).setVisible(true);
// new WebPrintDialog(PrintServiceLookup.lookupPrintServices(null,null), 0, new HashPrintRequestAttributeSet(), null).setVisible(true);
}
}
