/*
* @(#)FilePreview.java
*
* Copyright (c) 2009-2010 Werner Randelshofer, Immensee, Switzerland.
* All rights reserved.
*
* You may not use, copy or modify this file, except in compliance with the
* license agreement you entered into with Werner Randelshofer.
* For details see accompanying license terms.
*/
package ch.randelshofer.quaqua.panther.filechooser;
import ch.randelshofer.quaqua.osx.OSXFile;
import ch.randelshofer.quaqua.*;
import ch.randelshofer.quaqua.filechooser.*;
import ch.randelshofer.quaqua.util.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.text.*;
import java.util.*;
import java.util.prefs.Preferences;
import javax.swing.*;
import javax.swing.filechooser.*;
import javax.swing.tree.*;
/**
* The FilePreview is used to render the preview column in the JBrowser in
* Quaqua's FileChooserUI's.
*
* @author Werner Randelshofer
* @version $Id: FilePreview.java 390 2011-07-04 10:36:02Z wrandelshofer $
*/
public class FilePreview extends JPanel implements BrowserPreviewRenderer {
private JFileChooser fileChooser;
private static Icon placeholderIcon = new Icon() {
public void paintIcon(Component c, Graphics g, int x, int y) {
}
public int getIconWidth() {
return 128;
}
public int getIconHeight() {
return 128;
}
};
private boolean isFileIconAvailable = true;
private JPanel emptyPreview;
private FileInfo info;
/** Creates new form. */
public FilePreview(JFileChooser fileChooser) {
this.fileChooser = fileChooser;
initComponents();
Color bg = UIManager.getColor("List.background");
Color fgl = UIManager.getColor("FileChooser.previewLabelForeground");
Color fgv = UIManager.getColor("FileChooser.previewValueForeground");
Font fl = UIManager.getFont("FileChooser.previewLabelFont");
Font fv = UIManager.getFont("FileChooser.previewValueFont");
emptyPreview = new JPanel();
emptyPreview.setBackground(bg);
emptyPreview.setOpaque(true);
Insets labelInsets = UIManager.getInsets("FileChooser.previewLabelInsets");
GridBagLayout layout = (GridBagLayout) northPanel.getLayout();
String delimiter = UIManager.getString("FileChooser.previewLabelDelimiter");
if (delimiter == null) {
delimiter = "";
}
for (int i = 0, n = northPanel.getComponentCount(); i < n; i++) {
JComponent c = (JComponent) northPanel.getComponent(i);
if (c != previewLabel) {
if (c instanceof JLabel) {
JLabel label = (JLabel) c;
c.setFont(fl);
c.setForeground(fgl);
if (labelInsets != null) {
GridBagConstraints gbc = layout.getConstraints(c);
gbc.insets = labelInsets;
layout.setConstraints(c, gbc);
}
label.setText(label.getText() + delimiter);
} else {
c.setFont(fv);
c.setForeground(fgv);
}
}
c.setBackground(bg);
}
// We do not show the location of the file, because this information
// is already provided by the file chooser.
whereLabel.setVisible(false);
whereText.setVisible(false);
// Remove border Margin
Insets borderMargin = new Insets(0, 0, 0, 0);
kindLabel.putClientProperty("Quaqua.Component.visualMargin", borderMargin);
modifiedLabel.putClientProperty("Quaqua.Component.visualMargin", borderMargin);
nameLabel.putClientProperty("Quaqua.Component.visualMargin", borderMargin);
originalLabel.putClientProperty("Quaqua.Component.visualMargin", borderMargin);
sizeLabel.putClientProperty("Quaqua.Component.visualMargin", borderMargin);
whereLabel.putClientProperty("Quaqua.Component.visualMargin", borderMargin);
// Disable focus traversability
kindText.setFocusable(false);
modifiedText.setFocusable(false);
nameText.setFocusable(false);
originalText.setFocusable(false);
sizeText.setFocusable(false);
whereText.setFocusable(false);
setBackground(bg);
northPanel.setBackground(bg);
setOpaque(true);
MouseListener mouseHandler = new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
if (evt.getClickCount() == 2) {
FilePreview.this.fileChooser.approveSelection();
}
}
};
addMouseListener(mouseHandler);
Component[] c = getComponents();
for (int i = 0; i < c.length; i++) {
c[i].addMouseListener(mouseHandler);
}
if (OSXFile.canWorkWithAliases()) {
Preferences prefs = Preferences.userNodeForPackage(QuaquaLookAndFeel.class);
previewLabel.setVisible(prefs.getBoolean("FileChooser.isPreviewExpanded", false));
previewCheckBox.setSelected(prefs.getBoolean("FileChooser.isPreviewExpanded", false));
previewCheckBox.setIcon(UIManager.getIcon("FileChooser.disclosureButtonIcon"));
previewCheckBox.setIcon(UIManager.getIcon("FileChooser.disclosureButtonIcon"));
} else {
previewCheckBox.setVisible(false);
previewLabel.setVisible(false);
}
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
java.awt.GridBagConstraints gridBagConstraints;
northPanel = new javax.swing.JPanel();
previewCheckBox = new javax.swing.JCheckBox();
previewLabel = new javax.swing.JLabel();
nameLabel = new javax.swing.JLabel();
nameText = new javax.swing.JTextArea();
kindLabel = new javax.swing.JLabel();
kindText = new javax.swing.JTextArea();
sizeLabel = new javax.swing.JLabel();
sizeText = new javax.swing.JTextArea();
modifiedLabel = new javax.swing.JLabel();
modifiedText = new javax.swing.JTextArea();
whereLabel = new javax.swing.JLabel();
whereText = new javax.swing.JTextArea();
originalLabel = new javax.swing.JLabel();
originalText = new javax.swing.JTextArea();
setBorder(javax.swing.BorderFactory.createEmptyBorder(3, 4, 4, 4));
setLayout(new java.awt.BorderLayout());
northPanel.setLayout(new java.awt.GridBagLayout());
previewCheckBox.setText(UIManager.getString("Filechooser.previewButton.text")); // NOI18N
previewCheckBox.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
previewButtonPerformed(evt);
}
});
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
northPanel.add(previewCheckBox, gridBagConstraints);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridy = 1;
gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
gridBagConstraints.insets = new java.awt.Insets(12, 0, 12, 0);
northPanel.add(previewLabel, gridBagConstraints);
nameLabel.setText(UIManager.getString("FileChooser.name")); // NOI18N
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 2;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHEAST;
northPanel.add(nameLabel, gridBagConstraints);
nameText.setEditable(false);
nameText.setLineWrap(true);
nameText.setWrapStyleWord(true);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 2;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
gridBagConstraints.weightx = 1.0;
northPanel.add(nameText, gridBagConstraints);
kindLabel.setText(UIManager.getString("FileChooser.kind")); // NOI18N
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 3;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHEAST;
northPanel.add(kindLabel, gridBagConstraints);
kindText.setEditable(false);
kindText.setLineWrap(true);
kindText.setWrapStyleWord(true);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 3;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
gridBagConstraints.weightx = 1.0;
northPanel.add(kindText, gridBagConstraints);
sizeLabel.setText(UIManager.getString("FileChooser.size")); // NOI18N
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 4;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHEAST;
northPanel.add(sizeLabel, gridBagConstraints);
sizeText.setEditable(false);
sizeText.setLineWrap(true);
sizeText.setWrapStyleWord(true);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 4;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
gridBagConstraints.weightx = 1.0;
northPanel.add(sizeText, gridBagConstraints);
modifiedLabel.setText(UIManager.getString("FileChooser.modified")); // NOI18N
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 5;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHEAST;
northPanel.add(modifiedLabel, gridBagConstraints);
modifiedText.setEditable(false);
modifiedText.setLineWrap(true);
modifiedText.setWrapStyleWord(true);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 5;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
gridBagConstraints.weightx = 1.0;
northPanel.add(modifiedText, gridBagConstraints);
whereLabel.setText(UIManager.getString("FileChooser.whereLabelText")); // NOI18N
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 6;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHEAST;
northPanel.add(whereLabel, gridBagConstraints);
whereText.setEditable(false);
whereText.setLineWrap(true);
whereText.setWrapStyleWord(true);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 6;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
gridBagConstraints.weightx = 1.0;
northPanel.add(whereText, gridBagConstraints);
originalLabel.setText(UIManager.getString("FileChooser.original")); // NOI18N
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 0;
gridBagConstraints.gridy = 7;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHEAST;
northPanel.add(originalLabel, gridBagConstraints);
originalText.setEditable(false);
originalText.setLineWrap(true);
originalText.setWrapStyleWord(true);
gridBagConstraints = new java.awt.GridBagConstraints();
gridBagConstraints.gridx = 1;
gridBagConstraints.gridy = 7;
gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;
gridBagConstraints.weightx = 1.0;
northPanel.add(originalText, gridBagConstraints);
add(northPanel, java.awt.BorderLayout.NORTH);
}// </editor-fold>//GEN-END:initComponents
private void previewButtonPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_previewButtonPerformed
boolean b = previewCheckBox.isSelected();
Preferences prefs = Preferences.userNodeForPackage(QuaquaLookAndFeel.class);
prefs.putBoolean("FileChooser.isPreviewExpanded", b);
updatePreviewIcon();
}//GEN-LAST:event_previewButtonPerformed
private String toOSXPath(File file) {
StringBuffer buf = new StringBuffer();
FileSystemView fsv = QuaquaFileSystemView.getQuaquaFileSystemView();
if (file != null && file.isDirectory()) {
buf.append(':');
}
while (file != null) {
buf.insert(0, fileChooser.getName(file));
file = fsv.getParentDirectory(file);
if (file != null) {
buf.insert(0, ':');
}
}
return buf.toString();
}
public Component getPreviewRendererComponent(JBrowser browser, TreePath[] paths) {
Locale locale = Locale.getDefault();
NumberFormat nf = NumberFormat.getInstance(locale);
nf.setMaximumFractionDigits(1);
info = (FileInfo) paths[0].getLastPathComponent();
if (!info.isAcceptable()) {
return emptyPreview;
}
// We do not display the location of the file, because this is already
// provided by the file chooser.
//whereText.setText(toOSXPath(QuaquaManager.getFileSystemView().getParentDirectory(info.getUnresolvedFile())));
long fileLength = 0;
if (paths.length == 1) {
nameLabel.setVisible(true);
modifiedLabel.setVisible(true);
modifiedText.setVisible(true);
nameText.setText(info.getUserName());
File file = info.getFile();
fileLength = info.getFileLength();
if (file != null) {
modifiedText.setText(DateFormat.getInstance().format(new Date(file.lastModified())));
} else {
modifiedText.setText(UIManager.getString("FileChooser.modifiedUnknown"));
}
String kind = info.getFileKind();
kindText.setText(OSXFile.getKindString(file));
if (kind == "alias") {
File resolvedFile = info.lazyGetResolvedFile();
if (resolvedFile != null) {
originalText.setText(toOSXPath(resolvedFile));
} else {
originalText.setText("");
}
originalLabel.setVisible(true);
originalText.setVisible(true);
} else {
originalLabel.setVisible(false);
originalText.setVisible(false);
}
} else {
nameLabel.setVisible(false);
modifiedLabel.setVisible(false);
modifiedText.setVisible(false);
nameText.setText(
MessageFormat.format(
UIManager.getString("FileChooser.items"),
new Object[]{nf.format(paths.length)}));
TreeMap kinds = new TreeMap();
for (int i = 0; i < paths.length; i++) {
info = (FileSystemTreeModel.Node) paths[i].getLastPathComponent();
if (fileLength != -1) {
if (info.getFileLength() == -1) {
fileLength = -1;
} else {
fileLength += info.getFileLength();
}
}
String kind = info.getFileKind();
Integer kindCount = (Integer) kinds.get(kind);
kinds.put(kind, (kindCount == null) ? 1 : kindCount + 1);
}
StringBuffer buf = new StringBuffer();
for (Iterator i = kinds.entrySet().iterator(); i.hasNext();) {
Map.Entry entry = (Map.Entry) i.next();
buf.append(MessageFormat.format(
UIManager.getString("FileChooser." + entry.getKey() + "Count"),
new Object[]{entry.getValue()}));
if (i.hasNext()) {
buf.append(", ");
}
}
kindText.setText(buf.toString());
originalLabel.setVisible(false);
originalText.setVisible(false);
}
String label;
float scaledLength;
if (fileLength == -1) {
label = "FileChooser.sizeUnknown";
scaledLength = 0f;
} else {
if (fileLength >= 1024 * 1024 * 1024) {
label = "FileChooser.sizeGBytes";
scaledLength = fileLength / (1024f * 1024f * 1024f);
} else if (fileLength >= 1024 * 1024) {
label = "FileChooser.sizeMBytes";
scaledLength = fileLength / (1024f * 1024f);
} else if (fileLength >= 1024) {
label = "FileChooser.sizeKBytes";
scaledLength = fileLength / (1024f);
} else {
label = "FileChooser.sizeBytes";
scaledLength = (float) fileLength;
}
}
sizeText.setText(
MessageFormat.format(UIManager.getString(label), new Object[]{
scaledLength,
fileLength,
paths.length
}));
updatePreviewIcon();
return this;
}
private void updatePreviewIcon() {
previewLabel.setVisible(isFileIconAvailable && previewCheckBox.isSelected());
previewLabel.setIcon(placeholderIcon);
if (info != null && previewCheckBox.isSelected()) {
// Retrieving the file icon requires some potentially lengthy I/O
// operations. Therefore we do this in a worker thread.
final File file = info.lazyGetResolvedFile();
if (file != null) {
new Worker<Image>() {
public Image construct() {
Image o = null;
if (UIManager.getBoolean("FileChooser.quickLookEnabled") &&
System.getProperty("os.version").compareTo("10.6") >= 0) {
o = OSXFile.getQuickLookThumbnailImage(file, 128);
}
if (o == null) {
return OSXFile.getIconImage(file, 128);
} else {
return o;
}
}
@Override
public void done(Image value) {
Image fileIconImage = value;
isFileIconAvailable = fileIconImage != null;
if (isFileIconAvailable) {
previewLabel.setIcon(new ImageIcon(fileIconImage));
} else {
previewLabel.setVisible(false);
}
previewLabel.getParent().validate();
}
}.start();
}
}
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JLabel kindLabel;
private javax.swing.JTextArea kindText;
private javax.swing.JLabel modifiedLabel;
private javax.swing.JTextArea modifiedText;
private javax.swing.JLabel nameLabel;
private javax.swing.JTextArea nameText;
private javax.swing.JPanel northPanel;
private javax.swing.JLabel originalLabel;
private javax.swing.JTextArea originalText;
private javax.swing.JCheckBox previewCheckBox;
private javax.swing.JLabel previewLabel;
private javax.swing.JLabel sizeLabel;
private javax.swing.JTextArea sizeText;
private javax.swing.JLabel whereLabel;
private javax.swing.JTextArea whereText;
// End of variables declaration//GEN-END:variables
}