/* Copyright (c) 2010, Carl Burch. License information is located in the
* com.cburch.logisim.Main source code and at www.cburch.com/logisim/. */
package com.cburch.logisim.gui.main;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import javax.swing.JCheckBox;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import com.cburch.logisim.circuit.Circuit;
import com.cburch.logisim.circuit.CircuitState;
import com.cburch.logisim.comp.Component;
import com.cburch.logisim.comp.ComponentDrawContext;
import com.cburch.logisim.data.Bounds;
import com.cburch.logisim.proj.Project;
import com.cburch.logisim.util.StringUtil;
public class Print {
private Print() { }
public static void doPrint(Project proj) {
CircuitJList list = new CircuitJList(proj, true);
Frame frame = proj.getFrame();
if (list.getModel().getSize() == 0) {
JOptionPane.showMessageDialog(proj.getFrame(),
Strings.get("printEmptyCircuitsMessage"),
Strings.get("printEmptyCircuitsTitle"),
JOptionPane.YES_NO_OPTION);
return;
}
ParmsPanel parmsPanel = new ParmsPanel(list);
int action = JOptionPane.showConfirmDialog(frame,
parmsPanel, Strings.get("printParmsTitle"),
JOptionPane.OK_CANCEL_OPTION,
JOptionPane.QUESTION_MESSAGE);
if (action != JOptionPane.OK_OPTION) return;
List<Circuit> circuits = list.getSelectedCircuits();
if (circuits.isEmpty()) return;
PageFormat format = new PageFormat();
Printable print = new MyPrintable(proj, circuits,
parmsPanel.getHeader(),
parmsPanel.getRotateToFit(),
parmsPanel.getPrinterView());
PrinterJob job = PrinterJob.getPrinterJob();
job.setPrintable(print, format);
if (job.printDialog() == false) return;
try {
job.print();
} catch (PrinterException e) {
JOptionPane.showMessageDialog(proj.getFrame(),
StringUtil.format(Strings.get("printError"), e.toString()),
Strings.get("printErrorTitle"),
JOptionPane.ERROR_MESSAGE);
}
}
private static class ParmsPanel extends JPanel {
JCheckBox rotateToFit;
JCheckBox printerView;
JTextField header;
GridBagLayout gridbag;
GridBagConstraints gbc;
ParmsPanel(JList list) {
// set up components
rotateToFit = new JCheckBox();
rotateToFit.setSelected(true);
printerView = new JCheckBox();
printerView.setSelected(true);
header = new JTextField(20);
header.setText("%n (%p of %P)");
// set up panel
gridbag = new GridBagLayout();
gbc = new GridBagConstraints();
setLayout(gridbag);
// now add components into panel
gbc.gridy = 0;
gbc.gridx = GridBagConstraints.RELATIVE;
gbc.anchor = GridBagConstraints.NORTHWEST;
gbc.insets = new Insets(5, 0, 5, 0);
gbc.fill = GridBagConstraints.NONE;
addGb(new JLabel(Strings.get("labelCircuits") + " "));
gbc.fill = GridBagConstraints.HORIZONTAL;
addGb(new JScrollPane(list));
gbc.fill = GridBagConstraints.NONE;
gbc.gridy++;
addGb(new JLabel(Strings.get("labelHeader") + " "));
addGb(header);
gbc.gridy++;
addGb(new JLabel(Strings.get("labelRotateToFit") + " "));
addGb(rotateToFit);
gbc.gridy++;
addGb(new JLabel(Strings.get("labelPrinterView") + " "));
addGb(printerView);
}
private void addGb(JComponent comp) {
gridbag.setConstraints(comp, gbc);
add(comp);
}
boolean getRotateToFit() { return rotateToFit.isSelected(); }
boolean getPrinterView() { return printerView.isSelected(); }
String getHeader() { return header.getText(); }
}
private static class MyPrintable implements Printable {
Project proj;
List<Circuit> circuits;
String header;
boolean rotateToFit;
boolean printerView;
MyPrintable(Project proj, List<Circuit> circuits, String header,
boolean rotateToFit, boolean printerView) {
this.proj = proj;
this.circuits = circuits;
this.header = header;
this.rotateToFit = rotateToFit;
this.printerView = printerView;
}
public int print(Graphics base, PageFormat format, int pageIndex) {
if (pageIndex >= circuits.size()) return Printable.NO_SUCH_PAGE;
Circuit circ = circuits.get(pageIndex);
CircuitState circState = proj.getCircuitState(circ);
Graphics g = base.create();
Graphics2D g2 = g instanceof Graphics2D ? (Graphics2D) g : null;
FontMetrics fm = g.getFontMetrics();
String head = (header != null && !header.equals(""))
? format(header, pageIndex + 1, circuits.size(),
circ.getName())
: null;
int headHeight = (head == null ? 0 : fm.getHeight());
// Compute image size
double imWidth = format.getImageableWidth();
double imHeight = format.getImageableHeight();
// Correct coordinate system for page, including
// translation and possible rotation.
Bounds bds = circ.getBounds(g).expand(4);
double scale = Math.min(imWidth / bds.getWidth(),
(imHeight - headHeight) / bds.getHeight());
if (g2 != null) {
g2.translate(format.getImageableX(), format.getImageableY());
if (rotateToFit && scale < 1.0 / 1.1) {
double scale2 = Math.min(imHeight / bds.getWidth(),
(imWidth - headHeight) / bds.getHeight());
if (scale2 >= scale * 1.1) { // will rotate
scale = scale2;
if (imHeight > imWidth) { // portrait -> landscape
g2.translate(0, imHeight);
g2.rotate(-Math.PI / 2);
} else { // landscape -> portrait
g2.translate(imWidth, 0);
g2.rotate(Math.PI / 2);
}
double t = imHeight;
imHeight = imWidth;
imWidth = t;
}
}
}
// Draw the header line if appropriate
if (head != null) {
g.drawString(head,
(int) Math.round((imWidth - fm.stringWidth(head)) / 2),
fm.getAscent());
if (g2 != null) {
imHeight -= headHeight;
g2.translate(0, headHeight);
}
}
// Now change coordinate system for circuit, including
// translation and possible scaling
if (g2 != null) {
if (scale < 1.0) {
g2.scale(scale, scale);
imWidth /= scale;
imHeight /= scale;
}
double dx = Math.max(0.0, (imWidth - bds.getWidth()) / 2);
g2.translate(-bds.getX() + dx, -bds.getY());
}
// Ensure that the circuit is eligible to be drawn
Rectangle clip = g.getClipBounds();
clip.add(bds.getX(), bds.getY());
clip.add(bds.getX() + bds.getWidth(),
bds.getY() + bds.getHeight());
g.setClip(clip);
// And finally draw the circuit onto the page
ComponentDrawContext context = new ComponentDrawContext(
proj.getFrame().getCanvas(), circ, circState,
base, g, printerView);
Collection<Component> noComps = Collections.emptySet();
circ.draw(context, noComps);
g.dispose();
return Printable.PAGE_EXISTS;
}
}
private static String format(String header, int index, int max,
String circName) {
int mark = header.indexOf('%');
if (mark < 0) return header;
StringBuilder ret = new StringBuilder();
int start = 0;
for (; mark >= 0 && mark + 1 < header.length();
start = mark + 2, mark = header.indexOf('%', start)) {
ret.append(header.substring(start, mark));
switch (header.charAt(mark + 1)) {
case 'n': ret.append(circName); break;
case 'p': ret.append("" + index); break;
case 'P': ret.append("" + max); break;
case '%': ret.append("%"); break;
default: ret.append("%" + header.charAt(mark + 1));
}
}
if (start < header.length()) {
ret.append(header.substring(start));
}
return ret.toString();
}
}