JColorChooser 類顏色選擇器提供了一個窗格設(shè)計,讓用戶操作和選擇顏色的控制。
以下是聲明的 javax.swing.JColorChooser類:
public class JColorChooser extends JComponent implements Accessible
以下是javax.swing.JLabel 類的字段:
protected AccessibleContext accessibleContext
static String CHOOSER_PANELS_PROPERTY -- chooserPanel 數(shù)組屬性的名稱。
static String PREVIEW_PANEL_PROPERTY -- 預(yù)覽面板屬性名稱。
static String SELECTION_MODEL_PROPERTY -- 選擇模型屬性名稱
S.N. | 構(gòu)造函數(shù) & 描述 |
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1 |
JColorChooser() Creates a color chooser pane with an initial color of white. |
2 |
JColorChooser(Color initialColor) Creates a color chooser pane with the specified initial color. |
3 |
JColorChooser(ColorSelectionModel model) Creates a color chooser pane with the specified ColorSelectionModel. |
S.N. | 方法 & 描述 |
---|---|
1 |
void addChooserPanel(AbstractColorChooserPanel panel) Adds a color chooser panel to the color chooser. |
2 |
static JDialog createDialog(Component c, String title, boolean modal, JColorChooser chooserPane, ActionListener okListener, ActionListener cancelListener) Creates and returns a new dialog containing the specified ColorChooser pane along with "OK", "Cancel", and "Reset" buttons. |
3 |
AccessibleContext getAccessibleContext() Gets the AccessibleContext associated with this JColorChooser. |
4 |
AbstractColorChooserPanel[] getChooserPanels() Returns the specified color panels. |
5 |
Color getColor() Gets the current color value from the color chooser. |
6 |
boolean getDragEnabled() Gets the value of the dragEnabled property. |
7 |
JComponent getPreviewPanel() Returns the preview panel that shows a chosen color. |
8 |
ColorSelectionModel getSelectionModel() Returns the data model that handles color selections. |
9 |
ColorChooserUI getUI() Returns the L&F object that renders this component. |
10 |
String getUIClassID() Returns the name of the L&F class that renders this component. |
11 |
protected String paramString() Returns a string representation of this JColorChooser. |
12 |
AbstractColorChooserPanel removeChooserPanel(AbstractColorChooserPanel panel) Removes the Color Panel specified. |
13 |
void setChooserPanels(AbstractColorChooserPanel[] panels) Specifies the Color Panels used to choose a color value. |
14 |
void setColor(Color color) Sets the current color of the color chooser to the specified color. |
15 |
void setColor(int c) Sets the current color of the color chooser to the specified color. |
16 |
void setColor(int r, int g, int b) Sets the current color of the color chooser to the specified RGB color. |
17 |
void setDragEnabled(boolean b) Sets the dragEnabled property, which must be true to enable automatic drag handling (the first part of drag and drop) on this component. |
18 |
void setPreviewPanel(JComponent preview) Sets the current preview panel. |
19 |
void setSelectionModel(ColorSelectionModel newModel) Sets the model containing the selected color. |
20 |
void setUI(ColorChooserUI ui) Sets the L&F object that renders this component. |
21 |
static Color showDialog(Component component, String title, Color initialColor) Shows a modal color-chooser dialog and blocks until the dialog is hidden. |
22 |
void updateUI() Notification from the UIManager that the L&F has changed. |
這個類從以下類繼承的方法:
javax.swing.JComponent
java.awt.Container
java.awt.Component
java.lang.Object
選擇使用任何編輯器創(chuàng)建以下java程序在 D:/ > SWING > com > yiibai > gui >
SwingControlDemo.javapackage com.yiibai.gui; import java.awt.*; import java.awt.event.*; import javax.swing.*; public class SwingControlDemo { private JFrame mainFrame; private JLabel headerLabel; private JLabel statusLabel; private JPanel controlPanel; public SwingControlDemo(){ prepareGUI(); } public static void main(String[] args){ SwingControlDemo swingControlDemo = new SwingControlDemo(); swingControlDemo.showColorChooserDemo(); } private void prepareGUI(){ mainFrame = new JFrame("Java Swing Examples"); mainFrame.setSize(400,400); mainFrame.setLayout(new GridLayout(3, 1)); mainFrame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent windowEvent){ System.exit(0); } }); headerLabel = new JLabel("", JLabel.CENTER); statusLabel = new JLabel("",JLabel.CENTER); statusLabel.setSize(350,100); controlPanel = new JPanel上一篇:Swing事件監(jiān)聽器下一篇:Swing ImageIcon