php/php.editor/src/org/netbeans/modules/php/editor/options/MarkOccurencesPanel.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * 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
 * "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 org.netbeans.modules.php.editor.options;

import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.ArrayList;
import java.util.List;
import java.util.prefs.BackingStoreException;
import java.util.prefs.Preferences;
import javax.swing.JCheckBox;
import org.openide.util.Exceptions;

/**
 *
 * @author  Petr Hrebejk
 */
public class MarkOccurencesPanel extends javax.swing.JPanel {

    private static final boolean DEFAULT_VALUE = true; // May need to be splited if the defaunts ar not all on
    private List<JCheckBox> boxes;
    private MarkOccurencesOptionsPanelController controller;

    /* Creates new form MarkOccurencesPanel */
    public MarkOccurencesPanel(MarkOccurencesOptionsPanelController controller) {
        initComponents();
        fillBoxes();
        addListeners();
        load(controller);
    }

    public void load(MarkOccurencesOptionsPanelController controller) {
        this.controller = controller;

        Preferences node = MarkOccurencesSettings.getCurrentNode();

        for (JCheckBox box : boxes) {
            box.setSelected(node.getBoolean(box.getActionCommand(), DEFAULT_VALUE));
        }

        componentsSetEnabled();

    }

    public void store() {
        Preferences node = MarkOccurencesSettings.getCurrentNode();
        for (javax.swing.JCheckBox box : boxes) {
            boolean value = box.isSelected();
            boolean original = node.getBoolean(box.getActionCommand(),
                                               DEFAULT_VALUE);

            if (value != original) {
                node.putBoolean(box.getActionCommand(), value);
            }
        }
        try {
            node.flush();
        } catch (BackingStoreException ex) {
            Exceptions.printStackTrace(ex);
        }
    }

    public boolean changed() {
        Preferences node = MarkOccurencesSettings.getCurrentNode();
        for (JCheckBox box : boxes) {
            boolean value = box.isSelected();
            boolean original = node.getBoolean(box.getActionCommand(), DEFAULT_VALUE);
            if (value != original) {
                return true;
            }
        }
        return 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() {

        onOffCheckBox = new javax.swing.JCheckBox();
        keepMarksCheckBox = new javax.swing.JCheckBox();

        setBorder(javax.swing.BorderFactory.createEmptyBorder(8, 8, 8, 8));
        setFocusCycleRoot(true);
        setFocusTraversalPolicy(new java.awt.FocusTraversalPolicy() {
            public java.awt.Component getDefaultComponent(java.awt.Container focusCycleRoot){
                return onOffCheckBox;
            }//end getDefaultComponent

            public java.awt.Component getFirstComponent(java.awt.Container focusCycleRoot){
                return onOffCheckBox;
            }//end getFirstComponent

            public java.awt.Component getLastComponent(java.awt.Container focusCycleRoot){
                return onOffCheckBox;
            }//end getLastComponent

            public java.awt.Component getComponentAfter(java.awt.Container focusCycleRoot, java.awt.Component aComponent){
                return onOffCheckBox;//end getComponentAfter
            }
            public java.awt.Component getComponentBefore(java.awt.Container focusCycleRoot, java.awt.Component aComponent){
                return onOffCheckBox;//end getComponentBefore

            }}
        );

        org.openide.awt.Mnemonics.setLocalizedText(onOffCheckBox, org.openide.util.NbBundle.getMessage(MarkOccurencesPanel.class, "CTL_OnOff_CheckBox")); // NOI18N
        onOffCheckBox.setBorder(javax.swing.BorderFactory.createEmptyBorder(0, 0, 0, 0));

        keepMarksCheckBox.setMnemonic('s');
        org.openide.awt.Mnemonics.setLocalizedText(keepMarksCheckBox, org.openide.util.NbBundle.getMessage(MarkOccurencesPanel.class, "MarkOccurencesPanel.keepMarksCheckBox.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()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addContainerGap()
                        .addComponent(onOffCheckBox))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(37, 37, 37)
                        .addComponent(keepMarksCheckBox)))
                .addContainerGap(226, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(onOffCheckBox)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(keepMarksCheckBox)
                .addContainerGap(237, Short.MAX_VALUE))
        );

        onOffCheckBox.getAccessibleContext().setAccessibleName(org.openide.util.NbBundle.getMessage(MarkOccurencesPanel.class, "MarkOccurrencesPanel.onOffCheckBox.AccessibleContext.accessibleName")); // NOI18N
        onOffCheckBox.getAccessibleContext().setAccessibleDescription(org.openide.util.NbBundle.getMessage(MarkOccurencesPanel.class, "ACSD_OnOff_CB")); // NOI18N

        getAccessibleContext().setAccessibleName(org.openide.util.NbBundle.getMessage(MarkOccurencesPanel.class, "MarkOccurrencesPanel.AccessibleContext.accessibleName")); // NOI18N
        getAccessibleContext().setAccessibleDescription(org.openide.util.NbBundle.getMessage(MarkOccurencesPanel.class, "MarkOccurrencesPanel.AccessibleContext.accessibleDescription")); // NOI18N
    }// </editor-fold>//GEN-END:initComponents


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JCheckBox keepMarksCheckBox;
    private javax.swing.JCheckBox onOffCheckBox;
    // End of variables declaration//GEN-END:variables
    // End of variables declaration

    private void fillBoxes() {
        boxes = new ArrayList<>();
        boxes.add(onOffCheckBox);
        boxes.add(keepMarksCheckBox);
        onOffCheckBox.setActionCommand(MarkOccurencesSettings.ON_OFF);
        keepMarksCheckBox.setActionCommand(MarkOccurencesSettings.KEEP_MARKS);
    }

    private void addListeners() {
        ItemListener itemListener = new CheckItemListener();
        for (JCheckBox box : boxes) {
            box.addItemListener(itemListener);
        }
    }

    private void componentsSetEnabled() {
        for (int i = 1; i < boxes.size(); i++) {
            boxes.get(i).setEnabled(onOffCheckBox.isSelected()); // Switch off the other boxes
        }
    }

    private class CheckItemListener implements ItemListener {

        @Override
        public void itemStateChanged(ItemEvent evt) {
            if (evt.getSource() == onOffCheckBox) {
                componentsSetEnabled();
            }
            controller.changed();
        }

    }

}