📄 jxpaneltranslucencydemopanel.java
字号:
/* * JXPanelTranslucencyDemoPanel.java * * Created on April 12, 2005, 9:37 AM */package org.jdesktop.demo.swingx;import java.util.Hashtable;import javax.swing.ImageIcon;import javax.swing.JLabel;import javax.swing.SwingUtilities;import org.jdesktop.demo.DemoPanel;/** * Demonstrates translucency on a JXPanel. * @author rbair */public class JXPanelTranslucencyDemoPanel extends DemoPanel { /** * Creates new form JXPanelTranslucencyDemoPanel */ public JXPanelTranslucencyDemoPanel() { setName("JXPanel Translucency Demo"); initComponents(); setIcon(new ImageIcon(getClass().getResource("/org/jdesktop/demo/swingx/resources/logo.gif"))); } public String getHtmlDescription() { return "<html><p><h2><b>Translucency</b></h2>"/*<img src=\"" + getClass().getResource("resources/accueil.png") + "\">"*/ + "Demonstrates the ability to make a JXPanel transparent/translucent. All GUI components" + "are made translucent along with the panel, without having to change the alpha for individual " + "components.</p>" + "<p><h2><b>Try This:</b></h2>" + "Slide the <i>alpha</i>; slider to change alpha setting for the JXPanel, " + "which controls panel's translucency. In the demo, the alpha " + "defaults to 100, which is fully opaque. Note how the panel transitions smoothly, and " + "in real-time, between translucent and opaque.</p></html>"; } public String getName() { return "Translucency"; } /** 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. */ // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents private void initComponents() { java.awt.GridBagConstraints gridBagConstraints; buttonGroup1 = new javax.swing.ButtonGroup(); jLabel3 = new javax.swing.JLabel(); alphaSlider = new javax.swing.JSlider(); Hashtable labels = new Hashtable(); labels.put(0, new JLabel("Trans.")); labels.put(100, new JLabel("Opaque")); alphaSlider.setLabelTable(labels); jXPanel1 = new org.jdesktop.swingx.JXPanel(); jSplitPane1 = new javax.swing.JSplitPane(); setLayout(new java.awt.GridBagLayout()); setBackground(javax.swing.UIManager.getDefaults().getColor("ScrollBar.thumb")); jLabel3.setFont(new java.awt.Font("Microsoft Sans Serif", 1, 11)); jLabel3.setText("Alpha (translucency)"); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 0; gridBagConstraints.gridy = 1; gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST; gridBagConstraints.insets = new java.awt.Insets(7, 12, 0, 11); add(jLabel3, gridBagConstraints); alphaSlider.setBackground(new java.awt.Color(153, 153, 255)); alphaSlider.setPaintLabels(true); alphaSlider.setValue(100); alphaSlider.setOpaque(false); alphaSlider.addChangeListener(new javax.swing.event.ChangeListener() { public void stateChanged(javax.swing.event.ChangeEvent evt) { alphaSliderStateChanged(evt); } }); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 0; gridBagConstraints.gridy = 2; gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL; gridBagConstraints.weightx = 1.0; gridBagConstraints.insets = new java.awt.Insets(5, 12, 11, 11); add(alphaSlider, gridBagConstraints); jXPanel1.setLayout(new java.awt.GridBagLayout()); jXPanel1.setOpaque(false); jSplitPane1.setBorder(null); jSplitPane1.setDividerLocation(100); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 0; gridBagConstraints.gridy = 0; gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH; gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST; gridBagConstraints.weightx = 1.0; gridBagConstraints.weighty = 1.0; jXPanel1.add(jSplitPane1, gridBagConstraints); gridBagConstraints = new java.awt.GridBagConstraints(); gridBagConstraints.gridx = 0; gridBagConstraints.gridy = 0; gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH; gridBagConstraints.weightx = 1.0; gridBagConstraints.weighty = 1.0; gridBagConstraints.insets = new java.awt.Insets(12, 12, 11, 11); add(jXPanel1, gridBagConstraints); } // </editor-fold>//GEN-END:initComponents//GEN-FIRST:event_jLayeredPane1ComponentResized private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-LAST:event_jLayeredPane1ComponentResized// TODO add your handling code here://GEN-FIRST:event_jTextField1ActionPerformed }//GEN-LAST:event_jTextField1ActionPerformed private void alphaSliderStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_alphaSliderStateChanged // The use of invoke later is not strictly necessary, except that changing // the alpha on an older PIII laptop resulted in a slightly jerky slider // control, as it was dragged. Pushing this to a separate thread helps smooth // that out. SwingUtilities.invokeLater( new Runnable() { public void run() { jXPanel1.setAlpha((float)((float)alphaSlider.getValue()/(float)100)); } }); }//GEN-LAST:event_alphaSliderStateChanged // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JSlider alphaSlider; private javax.swing.ButtonGroup buttonGroup1; private javax.swing.JLabel jLabel3; private javax.swing.JSplitPane jSplitPane1; private org.jdesktop.swingx.JXPanel jXPanel1; // End of variables declaration//GEN-END:variables }⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -