StringProperty.java

package whitebox.ui;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.event.*;
import java.util.ResourceBundle;
import javax.swing.*;
import javax.swing.event.DocumentListener;
import javax.swing.event.DocumentEvent;

/**
 *
 * @author johnlindsay
 */
public class StringProperty extends JComponent implements MouseListener {

    private String labelText;
    private String value;
    private Color backColour = Color.WHITE;
    private int leftMargin = 10;
    private int rightMargin = 10;
    private int preferredWidth = 200;
    private int preferredHeight = 24;
    private int textboxWidth = 15;
    private boolean showTextArea = false;
    private JTextArea textArea = new JTextArea();
    private JTextField text = new JTextField();
    private ResourceBundle bundle;

    public StringProperty() {
        setOpaque(true);
        revalidate();
    }

    public StringProperty(String labelText, String value) {
        setOpaque(true);
        this.labelText = labelText;
        this.value = value;
        revalidate();
    }
    
    public StringProperty(String labelText, String value, ResourceBundle bundle) {
        setOpaque(true);
        this.labelText = labelText;
        this.value = value;
        this.bundle = bundle;
        revalidate();
    }
    
    public Color getBackColour() {
        return backColour;
    }

    public void setBackColour(Color backColour) {
        this.backColour = backColour;
    }

    public String getLabelText() {
        return labelText;
    }

    public void setLabelText(String labelText) {
        this.labelText = labelText;
    }

    public String getValue() {
        return value;
    }

    public void setValue(String value) {
        String oldValue = this.value;
        this.value = value;
        firePropertyChange("value", oldValue, value);
    }

    public int getLeftMargin() {
        return leftMargin;
    }

    public void setLeftMargin(int leftMargin) {
        this.leftMargin = leftMargin;
    }

    public int getPreferredHeight() {
        return preferredHeight;
    }

    public void setPreferredHeight(int preferredHeight) {
        this.preferredHeight = preferredHeight;
    }

    public int getPreferredWidth() {
        return preferredWidth;
    }

    public void setPreferredWidth(int preferredWidth) {
        this.preferredWidth = preferredWidth;
    }

    public int getRightMargin() {
        return rightMargin;
    }

    public void setRightMargin(int rightMargin) {
        this.rightMargin = rightMargin;
    }

    public int getTextboxWidth() {
        return textboxWidth;
    }

    public void setTextboxWidth(int textboxWidth) {
        this.textboxWidth = textboxWidth;
    }

    public boolean isShowTextArea() {
        return showTextArea;
    }

    public void setShowTextArea(boolean showTextArea) {
        this.showTextArea = showTextArea;
    }

    @Override
    public final void revalidate() {
        this.removeAll();

        this.setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
        this.setBackground(backColour);
        this.add(Box.createHorizontalStrut(leftMargin));
        JLabel label = new JLabel(labelText);
        label.setPreferredSize(new Dimension(preferredWidth, preferredHeight));
        this.add(label);
        this.add(Box.createHorizontalGlue());
        text = new JTextField(value, textboxWidth);
        text.setText(value);
        text.setMaximumSize(new Dimension(Integer.MAX_VALUE,
                text.getPreferredSize().height));
        if (showTextArea) {
            textArea.setText(value);
            text.setText("...");
            text.setHorizontalAlignment(JTextField.RIGHT);
            if (bundle == null) {
                text.setToolTipText("Click to add text.");
            } else {
                 text.setToolTipText(bundle.getString("ClickToAddText"));
            }
            text.addMouseListener(this);
            
        } else {
            // Listen for changes in the text
            text.getDocument().addDocumentListener(new DocumentListener() {
                @Override
                public void changedUpdate(DocumentEvent e) {
                    update();
                }

                @Override
                public void removeUpdate(DocumentEvent e) {
                    update();
                }

                @Override
                public void insertUpdate(DocumentEvent e) {
                    update();
                }

                public void update() {
                    setValue(text.getText());
                }
            });
        }
        this.add(text);
        this.add(Box.createHorizontalStrut(rightMargin));
        super.revalidate();
    }

    @Override
    public void paintComponent(Graphics g) {
        if (isOpaque()) {
            g.setColor(getBackground());
            g.fillRect(0, 0, getWidth(), getHeight());
            g.setColor(getForeground());
        }
    }

    @Override
    public void mouseClicked(MouseEvent e) {
    }

    @Override
    public void mousePressed(MouseEvent e) {
        Object source = e.getSource();
        if (source == text) {
            JPanel myPanel = new JPanel();
            textArea.setLineWrap(true);
            textArea.setWrapStyleWord(true);
            JScrollPane scroll = new JScrollPane(textArea);
            scroll.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
            scroll.setPreferredSize(new Dimension(250, 200));
            myPanel.add(scroll);
            int result;
            if (bundle == null) {
                result = JOptionPane.showConfirmDialog(text, myPanel,
                    "Enter Text", JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);
            } else {
                result = JOptionPane.showConfirmDialog(text, myPanel,
                    bundle.getString("EnterText"), JOptionPane.OK_CANCEL_OPTION, 
                    JOptionPane.PLAIN_MESSAGE);
            }
            if (result == JOptionPane.OK_OPTION) {
                setValue(textArea.getText());
            }

        }
    }

    @Override
    public void mouseReleased(MouseEvent e) {
    }

    @Override
    public void mouseEntered(MouseEvent e) {
    }

    @Override
    public void mouseExited(MouseEvent e) {
    }
}