/*
* Copyright 2014 - 2017 Cognizant Technology Solutions
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.cognizant.cognizantits.ide.main.explorer;
import com.cognizant.cognizantits.ide.main.explorer.settings.Settings;
import com.cognizant.cognizantits.ide.util.Border;
import com.cognizant.cognizantits.ide.util.Listeners;
import com.cognizant.cognizantits.ide.util.Notification;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.File;
import java.io.FileFilter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JCheckBox;
import javax.swing.JComponent;
import javax.swing.JPanel;
import static javax.swing.SwingConstants.CENTER;
import javax.swing.SwingUtilities;
import javax.swing.border.LineBorder;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.ArrayUtils;
/**
*
*
*/
public class ImageGallery extends javax.swing.JPanel {
/**
* Creates new form ImageGallery
*/
private final FileFilter imagefilter;
private final List<File> fList = new ArrayList<>();
private final List<String> selflist = new ArrayList<>();
private final List<JPanel> thumbList = new ArrayList<>();
private final Map<String, Image> thumbs = new HashMap<>();
private static final Dimension THUMB_SIZE = new Dimension(100, 100),
PREVIEW_SIZE = new Dimension(650, 350),
CB_SIZE = new Dimension(16, 16),
CL_SIZE = new Dimension(18, 18);
private JPanel selected;
private MouseListener thumbselected;
private MouseListener previewClicked;
private String editor = "mspaint ";
private Icon close, closesel;
public ImageGallery(final String ext) {
close = new ImageIcon(ClassLoader.getSystemClassLoader().getResource("ui/resources/close16.png"));
closesel = new ImageIcon(ClassLoader.getSystemClassLoader().getResource("ui/resources/close16sel.png"));
thumbselected = new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
thumbSelected(e.getSource());
}
};
previewClicked = new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
if (SwingUtilities.isRightMouseButton(e) && previewObj.isEnabled()) {
previewObj.setEnabled(false);
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
openEditor();
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
previewObj.setEnabled(true);
}
});
}
});
}
}
};
initComponents();
previewObj.setSize(previewpanel.getSize());
previewpanel.addMouseListener(previewClicked);
this.setName("ScreenShots");
imagefilter = new FileFilter() {
@Override
public boolean accept(File pathname) {
return pathname.isFile() && pathname.getAbsolutePath().endsWith("." + ext);
}
};
}
/**
* return the list of selected images
*
* @return
*/
public List<?> getSelectedImages() {
return selflist;
}
/**
* set up the command to open the configured image editor with preview Image
*
* @return
*/
public String[] getCommand() {
String curreditor = Settings.getImageEditor();
if (curreditor == null || "".equals(curreditor)) {
curreditor = this.editor;
}
String arg = Settings.getImageEditorArgs();
if (!arg.contains(Settings.FILE_ARGS)) {
arg = Settings.FILE_ARGS + " " + arg;
} else {
arg = arg.replace(Settings.FILE_ARGS, Settings.FILE_ARGS + " ");
}
String[] args = arg.split(" ");
int len = args.length;
for (int i = 0; i < len; i++) {
if (Settings.FILE_ARGS.equals(args[i])) {
args[i] = selected.getName();
}
}
return ArrayUtils.addAll(new String[]{curreditor}, args);
}
/**
* refresh the gallery UI
*/
void refresh() {
setThumbImage(selected.getName());
setPreview(selected.getName());
repaintLater(selected);
}
/**
* performs the set up actions when a thumb image is selected
*
* @param source
*/
private void thumbSelected(Object source) {
if (selected != null) {
selected.setBorder(Border.thumbPrevOffFocus);
}
selected = (JPanel) source;
selected.setBorder(Border.thumbPrevSelected);
String path = ((JComponent) source).getName();
setPreview(path);
}
/**
* loads the images from the file system to the UI
*
* @param loc
* @return
*/
public boolean load(String loc) {
clear();
File dir = new File(loc);
fList.addAll(Arrays.asList(dir.listFiles(imagefilter)));
if (fList.isEmpty()) {
Notification.show("No Images to Display!!!");
return false;
} else {
load(fList);
thumbSelected(thumbList.get(0));
return true;
}
}
/**
* clear all the list,thumbs, preview images
*/
private void clear() {
fList.clear();
selflist.clear();
thumbs.clear();
}
/**
* loads the given list of files to the UI
*
* @param files
*/
void load(List<File> files) {
clearThumbs();
for (final File f : files) {
addThumb(f);
}
}
/**
* creates the thumb image for the given file
*
* @param f
*/
private void addThumb(File f) {
JPanel thumb = getPanel(f.getAbsolutePath());
thumbPanel.add(thumb);
}
/**
* set up the thumb image UI
*
* @param f
* @return
*/
JPanel getPanel(final String f) {
setThumbImage(f);
JPanel p = new JPanel() {
@Override
public void paintComponent(Graphics g) {
g.drawImage(thumbs.get(f), 0, 0, null);
}
};
p.setPreferredSize(THUMB_SIZE);
p.setBorder(new LineBorder(Color.LIGHT_GRAY, 3));
JComponent c = getThumbSelector(f);
JComponent cl = setupThumbClose(p);
setupAlignment(p, c, cl);
p.setName(f);
p.addMouseListener(thumbselected);
p.addMouseListener(Listeners.thumbPrevFocus);
thumbList.add(p);
return p;
}
/**
* create returns the thumb selector component
*
* @param f
* @return
*/
private JComponent getThumbSelector(final String f) {
final JCheckBox cb = new JCheckBox();
cb.setText("");
cb.setSelected(false);
cb.setName(f);
cb.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (cb.isSelected()) {
selflist.add(f);
} else {
selflist.remove(f);
}
}
});
cb.setPreferredSize(CB_SIZE);
return cb;
}
/**
* create returns the thumb close component
*
* @param p
* @return
*/
private JComponent setupThumbClose(final JPanel p) {
JCheckBox cb = new JCheckBox();
cb.setIcon(close);
cb.setSelectedIcon(closesel);
cb.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
removeThumbPanel(p);
}
});
cb.setPreferredSize(CL_SIZE);
cb.setMaximumSize(CL_SIZE);
return cb;
}
/**
* removes the thumb image/panel from UI
*
* @param p
*/
void removeThumbPanel(JPanel p) {
int index = thumbList.indexOf(p);
thumbList.remove(p);
thumbPanel.remove(p);
if (index > (thumbList.size() - 1)) {
index--;
}
if (index < 0) {
onEmpty();
} else {
thumbSelected(thumbList.get(index));
repaintLater();
}
removeImage(p.getName());
}
/**
* delete the image from the file system
*
* @param file
*/
void removeImage(String file) {
FileUtils.deleteQuietly(new File(file));
}
/**
* refresh the UI after change
*/
private void repaintLater() {
repaintLater(this);
}
/**
* refresh the UI after change
*/
void repaintLater(final JComponent c) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
c.repaint();
}
});
}
/**
* defines the component alignment
*
* @param p
* @param c1
* @param c2
*/
void setupAlignment(JPanel p, JComponent c1, JComponent c2) {
javax.swing.GroupLayout pLayout = new javax.swing.GroupLayout(p);
p.setLayout(pLayout);
pLayout.setHorizontalGroup(
pLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(pLayout.createSequentialGroup()
.addComponent(c1, javax.swing.GroupLayout.PREFERRED_SIZE, 16, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(85, Short.MAX_VALUE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, pLayout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addComponent(c2, javax.swing.GroupLayout.PREFERRED_SIZE, 16, javax.swing.GroupLayout.PREFERRED_SIZE))
);
pLayout.setVerticalGroup(
pLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(pLayout.createSequentialGroup()
.addComponent(c2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 68, Short.MAX_VALUE)
.addComponent(c1, javax.swing.GroupLayout.PREFERRED_SIZE, 19, javax.swing.GroupLayout.PREFERRED_SIZE))
);
}
/**
* resize and create the thumb image
*
* @param f
* @return
*/
Image setThumbImage(String f) {
ImageIcon icon = new ImageIcon(Toolkit.getDefaultToolkit().createImage(f));
Image img = icon.getImage().getScaledInstance(THUMB_SIZE.width, THUMB_SIZE.width, Image.SCALE_SMOOTH);
thumbs.put(f, img);
return img;
}
/**
* resize and create the preview image
*
* @param path
*/
private void setPreview(String path) {
ImageIcon icon = new ImageIcon(path);
int w = icon.getIconWidth() > PREVIEW_SIZE.width ? PREVIEW_SIZE.width : icon.getIconWidth();
int h = icon.getIconHeight() > PREVIEW_SIZE.height ? PREVIEW_SIZE.height : icon.getIconHeight();
Image img = icon.getImage().getScaledInstance(w, h, Image.SCALE_SMOOTH);
previewObj.setIcon(new ImageIcon(img));
previewObj.setHorizontalAlignment(CENTER);
previewObj.setVerticalAlignment(CENTER);
previewObj.repaint();
}
/**
* clear the thumb panels to free the memory
*/
private void clearThumbs() {
thumbPanel.removeAll();
for (JPanel l : thumbList) {
l = null;
}
thumbList.clear();
}
/**
* opens the configured image editor with the preview image to edit
*/
private void openEditor() {
try {
Hide();
Process p;
p = Runtime.getRuntime().exec(getCommand());
p.waitFor();
refresh();
Show();
} catch (Exception ex) {
Logger.getLogger(ImageGallery.class.getName()).log(Level.SEVERE, null, ex);
Notification.show("Please, Configure Image Editor in Settings!!");
Show();
}
}
public void onEmpty() {
}
public void Hide() {
}
public void Show() {
}
/**
* 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.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
jSplitPane1 = new javax.swing.JSplitPane();
previewpanel = new javax.swing.JPanel();
previewObj = new javax.swing.JLabel();
thumbnailpanel = new javax.swing.JScrollPane();
thumbPanel = new javax.swing.JPanel();
setBackground(new java.awt.Color(255, 255, 255));
setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(153, 153, 153), 2));
setMaximumSize(new java.awt.Dimension(653, 481));
setMinimumSize(new java.awt.Dimension(653, 481));
setName(""); // NOI18N
jSplitPane1.setDividerLocation(340);
jSplitPane1.setDividerSize(2);
jSplitPane1.setOrientation(javax.swing.JSplitPane.VERTICAL_SPLIT);
jSplitPane1.setResizeWeight(0.8);
jSplitPane1.setToolTipText("");
previewpanel.setBorder(new javax.swing.border.LineBorder(new java.awt.Color(204, 204, 204), 1, true));
previewpanel.setLayout(new java.awt.GridLayout(1, 0));
previewpanel.add(previewObj);
jSplitPane1.setTopComponent(previewpanel);
thumbnailpanel.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
thumbnailpanel.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_NEVER);
thumbnailpanel.setMaximumSize(new java.awt.Dimension(550, 130));
thumbnailpanel.setMinimumSize(new java.awt.Dimension(550, 130));
thumbnailpanel.setPreferredSize(new java.awt.Dimension(550, 130));
thumbnailpanel.setRequestFocusEnabled(false);
thumbPanel.setMaximumSize(new java.awt.Dimension(2147483647, 128));
thumbPanel.setMinimumSize(new java.awt.Dimension(546, 128));
java.awt.FlowLayout flowLayout1 = new java.awt.FlowLayout(java.awt.FlowLayout.CENTER, 25, 5);
flowLayout1.setAlignOnBaseline(true);
thumbPanel.setLayout(flowLayout1);
thumbnailpanel.setViewportView(thumbPanel);
jSplitPane1.setBottomComponent(thumbnailpanel);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jSplitPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 653, javax.swing.GroupLayout.PREFERRED_SIZE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jSplitPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 481, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(0, 0, Short.MAX_VALUE))
);
}// </editor-fold>//GEN-END:initComponents
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JSplitPane jSplitPane1;
private javax.swing.JLabel previewObj;
private javax.swing.JPanel previewpanel;
private javax.swing.JPanel thumbPanel;
private javax.swing.JScrollPane thumbnailpanel;
// End of variables declaration//GEN-END:variables
}
