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package com.junichi11.netbeans.modules.github.issues.issue.ui;
import com.junichi11.netbeans.modules.github.issues.GitHubIssues;
import java.awt.BorderLayout;
import java.awt.Component;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
import org.eclipse.egit.github.core.CommitFile;
import org.eclipse.egit.github.core.PullRequestMarker;
import org.eclipse.egit.github.core.Repository;
import org.eclipse.egit.github.core.User;
import org.netbeans.api.diff.Diff;
import org.netbeans.api.diff.DiffView;
import org.netbeans.api.diff.StreamSource;
import org.netbeans.api.progress.ProgressHandle;
import org.openide.util.Exceptions;
import org.openide.util.NbBundle;
import org.openide.util.RequestProcessor;
/**
*
* @author junichi11
*/
public class FileChangedPanel extends javax.swing.JPanel {
private static final long serialVersionUID = 5842222768556582282L;
private static final Logger LOGGER = Logger.getLogger(FileChangedPanel.class.getName());
private final CommitFile file;
private final PullRequestMarker marker;
private Component diffView;
/**
* Creates new form FileChendedPanel
*/
public FileChangedPanel(CommitFile file, PullRequestMarker marker) {
this.file = file;
this.marker = marker;
initComponents();
String filename = file.getFilename();
fileNameLabel.setText(filename);
diffPanel.setVisible(false);
setAdditions(file.getAdditions());
setDeletions(file.getDeletions());
}
private void setAdditions(int lines) {
additionsLabel.setText("+" + String.valueOf(lines)); // NOI18N
additionsLabel.setForeground(GitHubIssues.GREEN_COLOR);
}
private void setDeletions(int lines) {
deletionsLabel.setText("-" + String.valueOf(lines)); // NOI18N
deletionsLabel.setForeground(GitHubIssues.RED_COLOR);
}
/**
* 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() {
fileNameLabel = new javax.swing.JLabel();
diffButton = new javax.swing.JButton();
diffPanel = new javax.swing.JPanel();
jSeparator1 = new javax.swing.JSeparator();
deletionsLabel = new javax.swing.JLabel();
additionsLabel = new javax.swing.JLabel();
org.openide.awt.Mnemonics.setLocalizedText(fileNameLabel, org.openide.util.NbBundle.getMessage(FileChangedPanel.class, "FileChangedPanel.fileNameLabel.text")); // NOI18N
org.openide.awt.Mnemonics.setLocalizedText(diffButton, org.openide.util.NbBundle.getMessage(FileChangedPanel.class, "FileChangedPanel.diffButton.text")); // NOI18N
diffButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
diffButtonActionPerformed(evt);
}
});
diffPanel.setMaximumSize(new java.awt.Dimension(2147483647, 500));
diffPanel.setLayout(new java.awt.BorderLayout());
org.openide.awt.Mnemonics.setLocalizedText(deletionsLabel, org.openide.util.NbBundle.getMessage(FileChangedPanel.class, "FileChangedPanel.deletionsLabel.text")); // NOI18N
org.openide.awt.Mnemonics.setLocalizedText(additionsLabel, org.openide.util.NbBundle.getMessage(FileChangedPanel.class, "FileChangedPanel.additionsLabel.text")); // NOI18N
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(fileNameLabel)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 116, Short.MAX_VALUE)
.addComponent(additionsLabel)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(deletionsLabel)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(diffButton))
.addComponent(diffPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jSeparator1)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(diffButton)
.addComponent(fileNameLabel)
.addComponent(deletionsLabel)
.addComponent(additionsLabel))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(diffPanel, javax.swing.GroupLayout.PREFERRED_SIZE, 300, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jSeparator1, javax.swing.GroupLayout.PREFERRED_SIZE, 10, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(0, 0, 0))
);
}// </editor-fold>//GEN-END:initComponents
@NbBundle.Messages("FileChangedPanel.fetching.files=Fetching files...")
private void diffButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_diffButtonActionPerformed
if (file == null) {
return;
}
// toggle
boolean isVisible = diffPanel.isVisible();
diffPanel.setVisible(!isVisible);
if (diffView != null) {
return;
}
final String rawUrl = file.getRawUrl();
if (rawUrl != null) {
RequestProcessor rp = GitHubIssues.getInstance().getRequestProcessor();
rp.post(new Runnable() {
@Override
public void run() {
String filename = file.getFilename();
Repository repo = marker.getRepo();
User owner = repo.getOwner();
String name = repo.getName();
String baseSha = marker.getSha();
final JLabel fetchingLabel = new JLabel(Bundle.FileChangedPanel_fetching_files());
diffPanel.add(fetchingLabel, BorderLayout.NORTH);
ProgressHandle handle = ProgressHandle.createHandle(Bundle.FileChangedPanel_fetching_files());
try {
handle.start();
URL pullRequestRawUrl = new URL(rawUrl);
URL baseRawUrl = new URL(String.format(GitHubIssues.RAW_URL_FORMAT, owner.getLogin(), name, baseSha, filename));
InputStream prInputStream;
InputStream baseInputStream;
try {
prInputStream = pullRequestRawUrl.openStream();
} catch (FileNotFoundException ex) {
prInputStream = new ByteArrayInputStream("".getBytes()); // NOI18N
}
try {
baseInputStream = baseRawUrl.openStream();
} catch (FileNotFoundException ex) {
baseInputStream = new ByteArrayInputStream("".getBytes()); // NOI18N
}
// don't close readers
// if close readers, StreamSource cannot use them...
final Reader prReader;
final Reader baseReader;
prReader = new BufferedReader(new InputStreamReader(prInputStream, StandardCharsets.UTF_8));
baseReader = new BufferedReader(new InputStreamReader(baseInputStream, StandardCharsets.UTF_8));
// XXX mime type
String mimeType = getMimeType(filename);
String prSha = file.getSha();
StreamSource prSource = StreamSource.createSource(filename, prSha, mimeType, prReader); // NOI18N
StreamSource baseSource = StreamSource.createSource(filename, baseSha, mimeType, baseReader); // NOI18N
final DiffView view = Diff.getDefault().createDiff(baseSource, prSource);
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
diffView = view.getComponent();
diffPanel.add(diffView, BorderLayout.CENTER);
}
});
} catch (MalformedURLException ex) {
Exceptions.printStackTrace(ex);
} catch (IOException ex) {
LOGGER.log(Level.WARNING, null, ex);
} finally {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
diffPanel.remove(fetchingLabel);
}
});
handle.finish();
}
}
});
}
}//GEN-LAST:event_diffButtonActionPerformed
private static String getMimeType(String fileName) {
// XXX mime type
return "";
// FileSystem fileSystem = FileUtil.createMemoryFileSystem();
// FileObject root = fileSystem.getRoot();
// int lastIndexOf = fileName.lastIndexOf("/"); // NOI18N
// if (lastIndexOf == -1) {
// return ""; // NOI18N
// }
// String name = fileName.substring(lastIndexOf + 1);
// String ext = FileUtil.getExtension(fileName);
// int lastIndexOfDot = name.lastIndexOf("."); // NOI18N
// if (lastIndexOf != -1) {
// name = name.substring(0, lastIndexOfDot);
// }
// try {
// FileObject fileObject = root.createData(name, ext);
// if (fileObject != null) {
// return fileObject.getMIMEType();
// }
// } catch (IOException ex) {
// Exceptions.printStackTrace(ex);
// }
// return ""; // NOI18N
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JLabel additionsLabel;
private javax.swing.JLabel deletionsLabel;
private javax.swing.JButton diffButton;
private javax.swing.JPanel diffPanel;
private javax.swing.JLabel fileNameLabel;
private javax.swing.JSeparator jSeparator1;
// End of variables declaration//GEN-END:variables
}