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FileChooser.java
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FileChooser.java
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/**
* filechooser taken from http://processinghacks.com/hacks:filechooser
* @author Tom Carden
*/
import javax.swing.*;
import processing.core.*;
import java.io.*;
// set system look and feel
class FileChooser {
static PApplet pa;
static void init(PApplet p) {
pa=p;
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (Exception e) {
e.printStackTrace();
}
}
private static void handleReturnValue(int returnVal, FileSelectionHandler fsh, JFileChooser fc) {
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = fc.getSelectedFile();
// see if it's an image
// (better to write a function and check for all supported extensions)
if (fsh.open(file)) {
return;
} else {
// just print the contents to the console
// note: loadStrings can take a Java File Object too
String lines[] = pa.loadStrings(file);
for (int i = 0; i < lines.length; i++) {
System.out.println(lines[i]);
}
}
} else {
System.out.println("Open command cancelled by user.");
}
}
static void showOpen(FileSelectionHandler fsh) {
// create a file chooser
final JFileChooser fc = new JFileChooser();
// in response to a button click:
int returnVal = fc.showOpenDialog(pa);
handleReturnValue(returnVal,fsh,fc);
return;
}
static void showSave(FileSelectionHandler fsh) {
// create a file chooser
final JFileChooser fc = new JFileChooser();
// in response to a button click:
int returnVal = fc.showSaveDialog(pa);
handleReturnValue(returnVal,fsh,fc);
return;
}
}