Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
es.gob.afirma.standalone.ui.pdf.SignPdfUiPanel Maven / Gradle / Ivy
/* Copyright (C) 2011 [Gobierno de Espana]
* This file is part of "Cliente @Firma".
* "Cliente @Firma" is free software; you can redistribute it and/or modify it under the terms of:
* - the GNU General Public License as published by the Free Software Foundation;
* either version 2 of the License, or (at your option) any later version.
* - or The European Software License; either version 1.1 or (at your option) any later version.
* You may contact the copyright holder at: [email protected]
*/
package es.gob.afirma.standalone.ui.pdf;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.Insets;
import java.awt.RenderingHints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.image.BufferedImage;
import java.util.List;
import java.util.Properties;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.border.TitledBorder;
import es.gob.afirma.core.misc.Platform;
import es.gob.afirma.core.ui.AOUIFactory;
import es.gob.afirma.standalone.ui.pdf.PageLabel.PageLabelListener;
final class SignPdfUiPanel extends JPanel implements PageLabel.PageLabelListener, KeyListener, ActionListener {
private static final long serialVersionUID = 8109653789776305491L;
private static final int PREFERRED_WIDTH = 466;
private static final int PREFERRED_HEIGHT = 410;
static interface SignPdfUiPanelListener {
void positionSelected(final Properties extraParams);
void positionCancelled();
}
private final SignPdfDialog parent;
public
SignPdfDialog getParentDialog() {
return this.parent;
}
private Properties extraParamsForLocation = null;
Properties getExtraParamsForLocation() {
return this.extraParamsForLocation;
}
private int currentPage = 1;
int getCurrentPage() {
return this.currentPage;
}
private int currentScale = 100;
private final SignPdfUiPanelListener listener;
SignPdfUiPanelListener getListener() {
return this.listener;
}
private JPanel pagePanel;
private final List pdfPages;
List getPdfPages() {
return this.pdfPages;
}
private final boolean isSignPdf;
private BufferedImage appendPage;
private final List pdfPageSizes;
private JLabel pageLabel;
private final JButton okButton = new JButton(SignPdfUiMessages.getString("SignPdfUiPanel.0")); //$NON-NLS-1$
private final JTextField posX = new JTextField(4);
private final JTextField posY = new JTextField(4);
private final JLabel indexLabel = new JLabel();
final JButton firstPageButton = new JButton("<<"); //$NON-NLS-1$
final JButton previousPageButton = new JButton("<"); //$NON-NLS-1$
final JButton nextPageButton = new JButton(">"); //$NON-NLS-1$
final JButton lastPageButton = new JButton(">>"); //$NON-NLS-1$
SignPdfUiPanel(final boolean isSign,
final List pages,
final List pageSizes,
final SignPdfUiPanelListener spul,
final SignPdfDialog parent) {
if (pages == null || pages.isEmpty()) {
throw new IllegalArgumentException(
"La lista de paginas no puede ser nula ni vacia" //$NON-NLS-1$
);
}
if (pageSizes == null || pages.size() != pageSizes.size()) {
throw new IllegalArgumentException(
"Las dimensiones de las paginas tienen que corresponderse con la lista de paginas proporcionada" //$NON-NLS-1$
);
}
if (spul == null) {
throw new IllegalArgumentException(
"La clase a la que notificar la seleccion no puede ser nula" //$NON-NLS-1$
);
}
this.pdfPages = pages;
this.pdfPageSizes = pageSizes;
this.listener = spul;
this.isSignPdf = isSign;
this.parent = parent;
createUI();
}
private void setProperties(final Properties p) {
this.extraParamsForLocation = p;
}
private JLabel createPageLabel(final BufferedImage page,
final PageLabelListener pll,
final KeyListener kl,
final Component parentFrame,
final Dimension pdfPageOriginalDimension) {
int pageWidth = page.getWidth();
int pageHeight = page.getHeight();
final Dimension screen = parentFrame.getPreferredSize();
// Si la previsualizacion de la pagina es mayor que la propia pantalla,
// hacemos reducciones incrementales del 10%
while (pageWidth > screen.width || pageHeight > screen.height) {
pageWidth = (int) Math.round(pageWidth * 0.9);
pageHeight = (int) Math.round(pageHeight * 0.9);
}
// Comprobacion de si las paginas estan rotadas
final float pdfRatio;
if (page.getWidth() <= page.getHeight() && pdfPageOriginalDimension.width <= pdfPageOriginalDimension.height) {
// No rotada
pdfRatio = (float) pdfPageOriginalDimension.height / pageHeight;
}
else {
// Pagina rotada
pdfRatio = (float) pdfPageOriginalDimension.width / pageWidth;
}
final float aspectRatio = (float) pageWidth / page.getWidth();
this.currentScale = Math.round(100 * aspectRatio);
// Recalculamos las dimensiones para asegurarnos de que los sucesivos redondeos del reescalado
// no han provocado que se altere la proporcion de altura y anchura de la pagina
pageWidth = Math.round(page.getWidth() * aspectRatio);
pageHeight = Math.round(page.getHeight() * aspectRatio);
final JLabel ret = new PageLabel(
page.getScaledInstance(pageWidth, pageHeight, Image.SCALE_SMOOTH),
pageWidth,
pageHeight,
pll,
pdfRatio
);
ret.addKeyListener(kl);
ret.setFocusable(false);
ret.getAccessibleContext().setAccessibleDescription(
SignPdfUiMessages.getString("SignPdfUiPanel.6") //$NON-NLS-1$
);
return ret;
}
void createUI() {
addKeyListener(this);
getAccessibleContext().setAccessibleDescription(
SignPdfUiMessages.getString("SignPdfUiPanel.1") //$NON-NLS-1$
);
setLayout(new GridBagLayout());
final GridBagConstraints gbc = new GridBagConstraints();
gbc.fill = GridBagConstraints.BOTH;
gbc.insets = new Insets(10, 10, 10, 10);
gbc.weightx = 1.0;
gbc.weighty = 1.0;
gbc.gridy = 0;
final JPanel mainPanel = new JPanel();
mainPanel.setLayout(new GridBagLayout());
final TitledBorder tb = BorderFactory.createTitledBorder(SignPdfUiMessages.getString("SignPdfUiPanel.7")); //$NON-NLS-1$
tb.setTitleFont(getFont().deriveFont(Font.PLAIN));
mainPanel.setBorder(tb);
final GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.HORIZONTAL;
c.anchor = GridBagConstraints.PAGE_START;
c.weightx = 1.0;
c.weighty = 1.0;
c.gridy = 0;
mainPanel.add(createCoordenatesPanel(), c);
c.gridy++;
c.ipady = 3;
c.fill = GridBagConstraints.BOTH;
mainPanel.add(createPagePanel(), c);
c.ipady = 3;
c.gridy++;
c.anchor = GridBagConstraints.PAGE_END;
c.fill = GridBagConstraints.HORIZONTAL;
mainPanel.add(createPaginationPanel(), c);
add(mainPanel, gbc);
gbc.gridy++;
gbc.weighty = 0.0;
add(createButtonsPanel(), gbc);
enableButtons();
}
/** Crea el panel con la previsualización de las páginas del PDF.
* @return Panel con la previsualización. */
private JPanel createPagePanel() {
this.pagePanel = new JPanel();
this.pagePanel.setLayout(new GridBagLayout());
this.pagePanel.setPreferredSize(new Dimension(PREFERRED_WIDTH, PREFERRED_HEIGHT));
// Creamos la etiqueta y establecemos la primera pagina
this.pageLabel = createPageLabel(
this.pdfPages.get(0),
this,
this,
this.pagePanel,
this.pdfPageSizes.get(0)
);
this.pagePanel.add(this.pageLabel);
return this.pagePanel;
}
/** Crea el panel para la paginación del PDF.
* @return Panel para la paginación del PDF. */
private JPanel createPaginationPanel() {
final JPanel panel = new JPanel();
panel.setLayout(new FlowLayout(FlowLayout.CENTER, 0, 0));
this.indexLabel.setText(
SignPdfUiMessages.getString(
"SignPdfUiPanel.5", //$NON-NLS-1$
Integer.toString(getCurrentPage()),
Integer.toString(this.pdfPages.size()),
Integer.toString(this.currentScale)
)
);
this.indexLabel.setHorizontalAlignment(SwingConstants.CENTER);
this.indexLabel.setFocusable(false);
this.indexLabel.addKeyListener(this);
this.firstPageButton.addActionListener(this);
this.firstPageButton.addKeyListener(this);
this.previousPageButton.addActionListener(this);
this.previousPageButton.addKeyListener(this);
this.nextPageButton.addActionListener(this);
this.nextPageButton.addKeyListener(this);
this.lastPageButton.addActionListener(this);
this.lastPageButton.addKeyListener(this);
panel.add(this.firstPageButton);
panel.add(this.previousPageButton);
panel.add(this.indexLabel);
panel.add(this.nextPageButton);
panel.add(this.lastPageButton);
return panel;
}
/** Crea el panel con los elementos que muestran las coordenadas del cursor dentro
* del panel de firma.
* @return Panel con los componentes para la visualizacion de coordenadas. */
private JPanel createCoordenatesPanel() {
final JPanel panel = new JPanel();
panel.setLayout(new FlowLayout(FlowLayout.CENTER));
panel.add(new JLabel(SignPdfUiMessages.getString("SignPdfUiPanel.8"))); //$NON-NLS-1$
this.posX.setEnabled(false);
this.posX.setFocusable(false);
this.posX.addKeyListener(this);
panel.add(this.posX);
panel.add(new JLabel(SignPdfUiMessages.getString("SignPdfUiPanel.9"))); //$NON-NLS-1$
this.posY.setEnabled(false);
this.posY.setFocusable(false);
this.posY.addKeyListener(this);
panel.add(this.posY);
return panel;
}
/** Crea el panel con los botones de aceptar y cancelar.
* @return Panel de botones. */
private JPanel createButtonsPanel() {
final JPanel panel = new JPanel();
panel.setLayout(new FlowLayout(FlowLayout.RIGHT));
this.okButton.setEnabled(false);
this.okButton.setMnemonic('A');
this.okButton.getAccessibleContext().setAccessibleDescription(
SignPdfUiMessages.getString("SignPdfUiPanel.2") //$NON-NLS-1$
);
this.okButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
final Properties p = new Properties();
if (getCurrentPage() > getPdfPages().size()) {
p.put("signaturePage", "append"); //$NON-NLS-1$ //$NON-NLS-2$
}
else {
p.put("signaturePage", Integer.toString(getCurrentPage())); //$NON-NLS-1$
}
p.putAll(getExtraParamsForLocation());
getParentDialog().nextPanel(p, getFragmentImage(p));
}
}
);
this.okButton.addKeyListener(this);
panel.add(this.okButton);
final JButton cancelButton = new JButton(SignPdfUiMessages.getString("SignPdfUiPanel.3")); //$NON-NLS-1$
cancelButton.setMnemonic('C');
cancelButton.getAccessibleContext().setAccessibleDescription(
SignPdfUiMessages.getString("SignPdfUiPanel.4") //$NON-NLS-1$
);
cancelButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
getListener().positionCancelled();
}
}
);
cancelButton.addKeyListener(this);
// En Mac OS X el orden de los botones es distinto
if (Platform.OS.MACOSX.equals(Platform.getOS())) {
panel.add(cancelButton);
panel.add(this.okButton);
}
else {
panel.add(this.okButton);
panel.add(cancelButton);
}
return panel;
}
BufferedImage getFragmentImage(final Properties p) {
final int pageNumber;
final BufferedImage page;
if (p.getProperty("signaturePage").equals("append")) { //$NON-NLS-1$ //$NON-NLS-2$
pageNumber = 0;
page = this.appendPage;
}
else {
pageNumber = Integer.parseInt(p.getProperty("signaturePage")) - 1; //$NON-NLS-1$
page = this.pdfPages.get(Integer.parseInt(p.getProperty("signaturePage")) - 1); //$NON-NLS-1$
}
final int newWidth = (int) this.pdfPageSizes.get(pageNumber).getWidth();
final int newHeight = (int) this.pdfPageSizes.get(pageNumber).getHeight();
final BufferedImage im = new BufferedImage (
newWidth,
newHeight,
this.pdfPages.get(pageNumber).getType()
);
final Graphics2D graphics2D = im.createGraphics();
graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
graphics2D.drawImage(
page,
0,
0,
newWidth,
newHeight,
null
);
graphics2D.dispose();
final int uxr = Math.max(0 ,Integer.parseInt(p.getProperty("signaturePositionOnPageUpperRightX")) - 4); //$NON-NLS-1$
final int uyr = Math.max(0, Integer.parseInt(p.getProperty("signaturePositionOnPageUpperRightY"))); //$NON-NLS-1$
final int lxl = Math.max(0, Integer.parseInt(p.getProperty("signaturePositionOnPageLowerLeftX"))); //$NON-NLS-1$
final int lyl = Math.max(0, Integer.parseInt(p.getProperty("signaturePositionOnPageLowerLeftY"))); //$NON-NLS-1$
final int y = Math.max(0, newHeight - uyr);
final BufferedImage imSign = im.getSubimage(lxl, y, uxr - lxl, uyr - lyl);
return imSign;
}
@Override
public void selectionAvailable(final Properties p) {
if (p != null) {
this.okButton.setEnabled(true);
this.okButton.requestFocusInWindow();
}
else {
this.okButton.setEnabled(false);
}
setProperties(p);
}
@Override
public void setX(final String x) {
this.posX.setText(x);
}
@Override
public void setY(final String y) {
this.posY.setText(y);
}
@Override public void keyTyped(final KeyEvent e) { /* vacio */ }
@Override public void keyReleased(final KeyEvent e) { /* vacio */ }
@Override
public void keyPressed(final KeyEvent ke) {
if (ke != null) {
if (ke.getKeyCode() == KeyEvent.VK_LEFT && getCurrentPage() > 1) {
this.currentPage--;
changePage();
}
else if (ke.getKeyCode() == KeyEvent.VK_RIGHT && getCurrentPage() < this.pdfPages.size()) {
this.currentPage++;
changePage();
}
else if (ke.getKeyCode() == KeyEvent.VK_RIGHT
&& getCurrentPage() == this.pdfPages.size()
&& !this.isSignPdf) {
this.currentPage++;
appendPage();
}
else if (ke.getKeyCode() == KeyEvent.VK_ESCAPE) {
this.currentPage++;
getListener().positionCancelled();
}
}
}
@Override
public void actionPerformed(final ActionEvent e) {
if (e != null) {
if (e.getSource() == this.firstPageButton && getCurrentPage() > 1) {
this.currentPage = 1;
changePage();
}
else if (e.getSource() == this.previousPageButton && getCurrentPage() > 1) {
this.currentPage--;
changePage();
}
else if (e.getSource() == this.nextPageButton && getCurrentPage() < this.pdfPages.size()) {
this.currentPage++;
changePage();
}
else if (e.getSource() == this.lastPageButton && getCurrentPage() < this.pdfPages.size()) {
this.currentPage = this.pdfPages.size();
changePage();
}
else if (e.getSource() == this.nextPageButton
&& getCurrentPage() == this.pdfPages.size()
&& !this.isSignPdf) {
this.currentPage++;
appendPage();
}
}
}
private void appendPage() {
final int resp = AOUIFactory.showConfirmDialog(
SignPdfUiPanel.this,
SignPdfUiMessages.getString("SignPdfUiPanel.11"), //$NON-NLS-1$
SignPdfUiMessages.getString("SignPdfUiPanel.10"), //$NON-NLS-1$
AOUIFactory.YES_NO_OPTION,
AOUIFactory.WARNING_MESSAGE
);
if (JOptionPane.YES_OPTION == resp) {
final BufferedImage bi = new BufferedImage(
(int) this.pdfPageSizes.get(0).getWidth(),
(int) this.pdfPageSizes.get(0).getHeight(),
this.pdfPages.get(0).getType()
);
final Graphics2D ig2 = bi.createGraphics();
ig2.setPaint (Color.WHITE);
ig2.fillRect (0, 0, bi.getWidth(), bi.getHeight());
ig2.dispose();
this.pagePanel.remove(this.pageLabel);
this.posX.setText(""); //$NON-NLS-1$
this.posY.setText(""); //$NON-NLS-1$
this.pageLabel = createPageLabel(
bi,
this,
this,
this.pagePanel,
this.pdfPageSizes.get(0)
);
this.indexLabel.setText(
SignPdfUiMessages.getString(
"SignPdfUiPanel.5", //$NON-NLS-1$
Integer.toString(getCurrentPage()),
Integer.toString(this.pdfPages.size()),
Integer.toString(this.currentScale)
)
);
this.nextPageButton.setEnabled(false);
this.previousPageButton.setEnabled(true);
this.appendPage = bi;
this.pagePanel.add(this.pageLabel);
this.pagePanel.repaint();
}
else {
this.currentPage--;
}
}
private void changePage() {
enableButtons();
this.pagePanel.remove(this.pageLabel);
this.posX.setText(""); //$NON-NLS-1$
this.posY.setText(""); //$NON-NLS-1$
this.pageLabel = createPageLabel(
this.pdfPages.get(getCurrentPage() - 1),
this,
this,
this.pagePanel,
this.pdfPageSizes.get(getCurrentPage() - 1)
);
this.indexLabel.setText(
SignPdfUiMessages.getString(
"SignPdfUiPanel.5", //$NON-NLS-1$
Integer.toString(getCurrentPage()),
Integer.toString(this.pdfPages.size()),
Integer.toString(this.currentScale)
)
);
this.pagePanel.add(this.pageLabel);
this.pagePanel.repaint();
}
private void enableButtons() {
if (this.pdfPages.size() == 1) {
this.lastPageButton.setEnabled(false);
this.firstPageButton.setEnabled(false);
if (this.isSignPdf) {
this.nextPageButton.setEnabled(false);
}
else {
this.nextPageButton.setEnabled(true);
}
this.previousPageButton.setEnabled(false);
}
else if (getCurrentPage() == 1) {
this.firstPageButton.setEnabled(false);
this.previousPageButton.setEnabled(false);
this.nextPageButton.setEnabled(true);
this.lastPageButton.setEnabled(true);
}
else if (getCurrentPage() == this.pdfPages.size()) {
this.lastPageButton.setEnabled(false);
this.firstPageButton.setEnabled(true);
if (this.isSignPdf) {
this.nextPageButton.setEnabled(false);
}
else {
this.nextPageButton.setEnabled(true);
}
this.previousPageButton.setEnabled(true);
}
else {
this.firstPageButton.setEnabled(true);
this.previousPageButton.setEnabled(true);
this.nextPageButton.setEnabled(true);
this.lastPageButton.setEnabled(true);
}
}
}
