Java JColorChooser.setColor方法代碼示例

import javax.swing.JColorChooser; //導入方法依賴的package包/類
@Override
public void actionPerformed(ActionEvent ae) {
    
	if (ae.getSource()==this.button) {
        //The user has clicked the cell, so bring up the dialog.
        button.setBackground(currentColor);
       
        //Set up the dialog that the button brings up.
        colorChooser = new JColorChooser();
        colorChooser.setColor(currentColor);
        JDialog dialog = JColorChooser.createDialog(button, "Pick a Color", true, colorChooser, this,  null); 
        dialog.setVisible(true);
        // --- From here: user action in the dialog ---
        fireEditingStopped();
        
    } else { //User pressed dialog's "OK" button.
        currentColor = colorChooser.getColor();
    }
}
 

import javax.swing.JColorChooser; //導入方法依賴的package包/類
private static void test(Color[] colors) {
    JLabel label = new JLabel("Preview Panel"); // NON-NLS: simple label

    JColorChooser chooser = new JColorChooser();
    chooser.setPreviewPanel(label);

    float[] hsb = new float[3];
    for (int i = 0; i < colors.length; i++) {
        Color color = colors[i];
        // Make sure sure that there wasn't a regression
        // in java.awt.Color and the conversion methods
        Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), hsb);
        if (!color.equals(Color.getHSBColor(hsb[0], hsb[1], hsb[2]))) {
            throw new Error("color conversion is failed");
        }
        // 4193384 regression test
        if (!color.equals(new JColorChooser(color).getColor())) {
            throw new Error("constructor sets incorrect initial color");
        }
        // 4200976 regression test
        chooser.setColor(color);
        if (!color.equals(label.getForeground())) {
            throw new Error("a custom preview panel doesn't handle colors");
        }
    }
}
 

import javax.swing.JColorChooser; //導入方法依賴的package包/類
/** Creates new <code>NbColorChooser</code>. */
public NbColorChooser (final ColorEditor editor,
                       final JColorChooser chooser) {
    this.editor = editor;
    selectionModel = chooser.getSelectionModel();
    setLayout (new BorderLayout ());
    add (chooser, BorderLayout.CENTER);
    chooser.setColor ((Color)editor.getValue ());
    selectionModel.addChangeListener (this);
    
    getAccessibleContext().setAccessibleDescription(getString("ACSD_CustomColorEditor"));
}
 

import javax.swing.JColorChooser; //導入方法依賴的package包/類
public static void main(String[] args) {
    JColorChooser chooser = new JColorChooser();
    chooser.setColor(new Color(new Random().nextInt()));

    Color before = chooser.getColor();
    Color after = copy(chooser).getColor();

    if (!after.equals(before)) {
        throw new Error("color is changed after serialization");
    }
}