GemRequirementDetailsPanel.java

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package org.netbeans.modules.ruby.rubyproject.ui.customizer;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.swing.DefaultComboBoxModel;
import org.netbeans.modules.ruby.platform.gems.GemInfo;
import org.netbeans.modules.ruby.platform.gems.GemManager;
import org.netbeans.modules.ruby.rubyproject.GemRequirement;

/**
 * Panel for editing details of gem requirements.
 *
 * @author Erno Mononen
 */
final class GemRequirementDetailsPanel extends javax.swing.JPanel {

    private final GemManager gemManager;
    private final String gemName;
    private final String indexedVersion;
    private final GemRequirement gemRequirement;

    public GemRequirementDetailsPanel(GemManager gemManager, String gemName, String requiredVersion, String indexedVersion) {
        this.gemManager = gemManager;
        this.gemName = gemName;
        this.indexedVersion = indexedVersion;
        this.gemRequirement = GemRequirement.fromString(gemName + " " + requiredVersion);
        initComponents();
        initRequiredVersion();
        initGemVersions();
    }

    private void initRequiredVersion() {
        DefaultComboBoxModel model = new DefaultComboBoxModel();
        for (String operator : GemRequirement.getOperators()) {
            model.addElement(operator);
        }
        operatorCombo.setModel(model);
        if (!isEmpty(gemRequirement.getOperator())) {
            operatorCombo.setSelectedItem(gemRequirement.getOperator());
        }
    }

    private boolean isEmpty(String str) {
        return str == null || "".equals(str.trim());
    }

    private void initGemVersions() {
        List<GemInfo> gemInfos = gemManager.getVersions(gemName);
        List<String> versions = new ArrayList<String>();
        for (GemInfo each : gemInfos) {
            versions.add(each.getVersion());
        }
        boolean versionSpecified = !isEmpty(gemRequirement.getVersion());
        if (versionSpecified && !versions.contains(gemRequirement.getVersion())) {
            versions.add(gemRequirement.getVersion());
        }
        DefaultComboBoxModel model = new DefaultComboBoxModel();
        Collections.sort(versions);
        for (String each : versions) {
            model.addElement(each);
        }
        versionCombo.setModel(model);
        versionCombo.setSelectedItem(versionSpecified ? gemRequirement.getVersion() : indexedVersion);
    }

    GemRequirement getGemRequirement() {
        return GemRequirement.fromString(gemName + " " + operatorCombo.getSelectedItem() + " " + versionCombo.getSelectedItem());
    }

    /** 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() {

        operatorCombo = new javax.swing.JComboBox();
        versionCombo = new javax.swing.JComboBox();
        requirementLabel = new javax.swing.JLabel();

        operatorCombo.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));

        versionCombo.setEditable(true);
        versionCombo.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Item 1", "Item 2", "Item 3", "Item 4" }));

        org.openide.awt.Mnemonics.setLocalizedText(requirementLabel, org.openide.util.NbBundle.getMessage(GemRequirementDetailsPanel.class, "GemRequirementDetailsPanel.requirementLabel.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(requirementLabel)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(operatorCombo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(versionCombo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(requirementLabel)
                .addGap(11, 11, 11)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(operatorCombo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(versionCombo, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap(23, Short.MAX_VALUE))
        );
    }// </editor-fold>//GEN-END:initComponents


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JComboBox operatorCombo;
    private javax.swing.JLabel requirementLabel;
    private javax.swing.JComboBox versionCombo;
    // End of variables declaration//GEN-END:variables

}