ide/docker.ui/src/org/netbeans/modules/docker/ui/build2/BuildInstanceVisual.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.docker.ui.build2;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import javax.swing.DefaultComboBoxModel;
import javax.swing.SwingUtilities;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import org.netbeans.modules.docker.api.DockerInstance;
import org.netbeans.modules.docker.api.DockerSupport;
import org.netbeans.modules.docker.ui.UiUtils;
import org.netbeans.modules.docker.ui.wizard.AddDockerInstanceWizard;
import org.openide.util.ChangeSupport;
import org.openide.util.NbBundle;
import org.openide.util.WeakListeners;

/**
 *
 * @author Petr Hejl
 */
public class BuildInstanceVisual extends javax.swing.JPanel {

    private final ChangeSupport changeSupport = new ChangeSupport(this);

    private final DefaultComboBoxModel<DockerInstanceWrapper> model = new DefaultComboBoxModel<>();

    private final ChangeListener instancesListener = new ChangeListener() {
        @Override
        public void stateChanged(ChangeEvent e) {
            if (SwingUtilities.isEventDispatchThread()) {
                refresh();
            } else {
                SwingUtilities.invokeLater(new Runnable() {
                    @Override
                    public void run() {
                        refresh();
                    }
                });
            }
        }
    };

    /**
     * Creates new form BuildInstance
     */
    public BuildInstanceVisual() {
        initComponents();

        DockerSupport integration = DockerSupport.getDefault();
        integration.addChangeListener(WeakListeners.change(instancesListener, integration));

        instanceComboBox.setModel(model);
        instanceComboBox.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                changeSupport.fireChange();
            }
        });

        refresh();
    }

    public void addChangeListener(ChangeListener l) {
        changeSupport.addChangeListener(l);
    }

    public void removeChangeListener(ChangeListener l) {
        changeSupport.removeChangeListener(l);
    }

    public DockerInstance getInstance() {
        Object item = instanceComboBox.getSelectedItem();
        if (item == null) {
            return null;
        }
        return ((DockerInstanceWrapper) item).getInstance();
    }

    public void setInstance(DockerInstance instance) {
        if (instance == null) {
            return;
        }
        for (int i = 0; i < model.getSize(); i++) {
            DockerInstanceWrapper w = model.getElementAt(i);
            if (instance.equals(w.getInstance())) {
                instanceComboBox.setSelectedIndex(i);
                break;
            }
        }
    }

    @NbBundle.Messages("LBL_BuildInstance=Build Instance")
    @Override
    public String getName() {
        return Bundle.LBL_BuildInstance();
    }

    private void refresh() {
        assert SwingUtilities.isEventDispatchThread();
        DockerInstanceWrapper wrapper = (DockerInstanceWrapper) model.getSelectedItem();
        model.removeAllElements();
        List<? extends DockerInstance> instances = new ArrayList<>(DockerSupport.getDefault().getInstances());
        Collections.sort(instances, UiUtils.getInstanceComparator());
        for (DockerInstance i : instances) {
            model.addElement(new DockerInstanceWrapper(i));
        }
        if (wrapper != null) {
            model.setSelectedItem(wrapper);
        }
    }

    private static class DockerInstanceWrapper {

        private final DockerInstance instance;

        public DockerInstanceWrapper(DockerInstance instance) {
            this.instance = instance;
        }

        public DockerInstance getInstance() {
            return instance;
        }

        @Override
        public String toString() {
            return instance.getDisplayName();
        }

        @Override
        public int hashCode() {
            int hash = 3;
            hash = 31 * hash + Objects.hashCode(this.instance);
            return hash;
        }

        @Override
        public boolean equals(Object obj) {
            if (this == obj) {
                return true;
            }
            if (obj == null) {
                return false;
            }
            if (getClass() != obj.getClass()) {
                return false;
            }
            final DockerInstanceWrapper other = (DockerInstanceWrapper) obj;
            if (!Objects.equals(this.instance, other.instance)) {
                return false;
            }
            return true;
        }
    }

    /**
     * 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() {

        instanceLabel = new javax.swing.JLabel();
        instanceComboBox = new javax.swing.JComboBox<>();
        addButton = new javax.swing.JButton();

        instanceLabel.setLabelFor(instanceComboBox);
        org.openide.awt.Mnemonics.setLocalizedText(instanceLabel, org.openide.util.NbBundle.getMessage(BuildInstanceVisual.class, "BuildInstanceVisual.instanceLabel.text")); // NOI18N

        org.openide.awt.Mnemonics.setLocalizedText(addButton, org.openide.util.NbBundle.getMessage(BuildInstanceVisual.class, "BuildInstanceVisual.addButton.text")); // NOI18N
        addButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                addButtonActionPerformed(evt);
            }
        });

        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(instanceLabel)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(instanceComboBox, 0, 241, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(addButton))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                .addComponent(instanceLabel)
                .addComponent(instanceComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addComponent(addButton))
        );
    }// </editor-fold>//GEN-END:initComponents

    private void addButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_addButtonActionPerformed
        AddDockerInstanceWizard wizard = new AddDockerInstanceWizard();
        DockerInstance instance = wizard.show();
        setInstance(instance);
    }//GEN-LAST:event_addButtonActionPerformed


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton addButton;
    private javax.swing.JComboBox<DockerInstanceWrapper> instanceComboBox;
    private javax.swing.JLabel instanceLabel;
    // End of variables declaration//GEN-END:variables
}