org.netbeans.modules.maven.runjar.MainClassChooser Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.netbeans.modules.maven.runjar;
import java.awt.Component;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.Arrays;
import java.util.Collection;
import java.util.Comparator;
import javax.lang.model.element.TypeElement;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.ListSelectionModel;
import javax.swing.SwingUtilities;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import org.netbeans.api.java.source.ElementHandle;
import org.netbeans.api.java.source.SourceUtils;
import org.openide.awt.MouseUtils;
import org.openide.filesystems.FileObject;
import org.openide.util.RequestProcessor;
import static org.netbeans.modules.maven.runjar.Bundle.*;
import org.openide.util.NbBundle.Messages;
/** Browses and allows to choose a project's main class.
*
* @author Jiri Rechtacek
*/
class MainClassChooser extends JPanel {
private ChangeListener changeListener;
private Collection> possibleMainClasses;
/** Creates new form MainClassChooser */
MainClassChooser (FileObject... sourcesRoots) {
initComponents();
jMainClassList.setCellRenderer(new MainClassRenderer());
initClassesView (sourcesRoots);
}
@Messages("LBL_ChooseMainClass_NO_CLASSES_NODE=")
private void initClassesView (final FileObject... sourcesRoots) {
possibleMainClasses = null;
jMainClassList.setSelectionMode (ListSelectionModel.SINGLE_SELECTION);
jMainClassList.setListData (getWarmupList ());
jMainClassList.addListSelectionListener (new ListSelectionListener () {
@Override
public void valueChanged (ListSelectionEvent evt) {
if (changeListener != null) {
changeListener.stateChanged (new ChangeEvent (evt));
}
}
});
// support for double click to finish dialog with selected class
jMainClassList.addMouseListener (new MouseListener () {
@Override
public void mouseClicked (MouseEvent e) {
if (MouseUtils.isDoubleClick (e)) {
if (getSelectedMainClass () != null) {
if (changeListener != null) {
changeListener.stateChanged (new ChangeEvent (e));
}
}
}
}
@Override
public void mousePressed (MouseEvent e) {}
@Override
public void mouseReleased (MouseEvent e) {}
@Override
public void mouseEntered (MouseEvent e) {}
@Override
public void mouseExited (MouseEvent e) {}
});
RequestProcessor.getDefault ().post (new Runnable () {
@Override
public void run () {
possibleMainClasses = SourceUtils.getMainClasses(sourcesRoots);
if (possibleMainClasses.isEmpty ()) {
SwingUtilities.invokeLater( new Runnable () {
@Override
public void run () {
jMainClassList.setListData (new String[] { LBL_ChooseMainClass_NO_CLASSES_NODE () } ); // NOI18N
}
});
} else {
final ElementHandle[] arr = possibleMainClasses.toArray(new ElementHandle[possibleMainClasses.size()]);
// #46861, sort name of classes
Arrays.sort (arr, new MainClassComparator());
SwingUtilities.invokeLater(new Runnable () {
@Override
public void run () {
jMainClassList.setListData (arr);
jMainClassList.setSelectedIndex (0);
}
});
}
}
});
}
@Messages("LBL_ChooseMainClass_WARMUP_MESSAGE=Initializing view, please wait ...")
private Object[] getWarmupList () {
return new Object[] {LBL_ChooseMainClass_WARMUP_MESSAGE ()}; //NOI18N
}
private boolean isValidMainClassName (Object value) {
return (possibleMainClasses != null) && (possibleMainClasses.contains (value));
}
/** Returns the selected main class.
*
* @return name of class or null if no class with the main method is selected
*/
String getSelectedMainClass () {
if (isValidMainClassName (jMainClassList.getSelectedValue ())) {
return ((ElementHandle)jMainClassList.getSelectedValue()).getQualifiedName();
} else {
return null;
}
}
public void addChangeListener (ChangeListener l) {
changeListener = l;
}
public void removeChangeListener (ChangeListener l) {
changeListener = null;
}
// Used only from unit tests to suppress check of main method. If value
// is different from null it will be returned instead.
public static Boolean unitTestingSupport_hasMainMethodResult = null;
/** Checks if given file object contains the main method.
*
* @param classFO file object represents java
* @return false if parameter is null or doesn't contain SourceCookie
* or SourceCookie doesn't contain the main method
*/
public static boolean hasMainMethod (FileObject fo) {
// support for unit testing
if (MainClassChooser.unitTestingSupport_hasMainMethodResult != null) {
return MainClassChooser.unitTestingSupport_hasMainMethodResult.booleanValue ();
}
if (fo == null) {
// ??? maybe better should be thrown IAE
return false;
}
return !SourceUtils.getMainClasses(fo).isEmpty();
}
/** 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.
*/
// //GEN-BEGIN:initComponents
private void initComponents() {
buttonGroup1 = new javax.swing.ButtonGroup();
lblMainClass = new javax.swing.JLabel();
jScrollPane1 = new javax.swing.JScrollPane();
jMainClassList = new javax.swing.JList();
rbSession = new javax.swing.JRadioButton();
rbPermanent = new javax.swing.JRadioButton();
setPreferredSize(new java.awt.Dimension(380, 300));
lblMainClass.setLabelFor(jMainClassList);
org.openide.awt.Mnemonics.setLocalizedText(lblMainClass, org.openide.util.NbBundle.getMessage(MainClassChooser.class, "CTL_AvaialableMainClasses")); // NOI18N
jScrollPane1.setMinimumSize(new java.awt.Dimension(100, 200));
jScrollPane1.setViewportView(jMainClassList);
jMainClassList.getAccessibleContext().setAccessibleDescription(org.openide.util.NbBundle.getMessage(MainClassChooser.class, "AD_jMainClassList")); // NOI18N
buttonGroup1.add(rbSession);
rbSession.setSelected(true);
org.openide.awt.Mnemonics.setLocalizedText(rbSession, org.openide.util.NbBundle.getMessage(MainClassChooser.class, "MainClassChooser.rbSession.text")); // NOI18N
buttonGroup1.add(rbPermanent);
org.openide.awt.Mnemonics.setLocalizedText(rbPermanent, org.openide.util.NbBundle.getMessage(MainClassChooser.class, "MainClassChooser.rbPermanent.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()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(rbPermanent)
.addComponent(rbSession)
.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 356, Short.MAX_VALUE)
.addComponent(lblMainClass))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(lblMainClass, javax.swing.GroupLayout.PREFERRED_SIZE, 15, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 205, Short.MAX_VALUE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(rbSession)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(rbPermanent)
.addContainerGap())
);
lblMainClass.getAccessibleContext().setAccessibleDescription(org.openide.util.NbBundle.getMessage(MainClassChooser.class, "AD_jMainClassList")); // NOI18N
}// //GEN-END:initComponents
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.ButtonGroup buttonGroup1;
private javax.swing.JList jMainClassList;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JLabel lblMainClass;
javax.swing.JRadioButton rbPermanent;
javax.swing.JRadioButton rbSession;
// End of variables declaration//GEN-END:variables
private static final class MainClassRenderer extends DefaultListCellRenderer {
@Override
public Component getListCellRendererComponent (JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
String displayName;
if (value instanceof ElementHandle) {
displayName = ((ElementHandle)value).getQualifiedName();
} else {
displayName = value.toString ();
}
return super.getListCellRendererComponent (list, displayName, index, isSelected, cellHasFocus);
}
}
private static class MainClassComparator implements Comparator {
@Override
public int compare(ElementHandle arg0, ElementHandle arg1) {
return arg0.getQualifiedName().compareTo(arg1.getQualifiedName());
}
}
}
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