java.awt.CheckboxGroup源码实例Demo-ICode联盟

类java.awt.CheckboxGroup源码实例Demo

下面列出了怎么用java.awt.CheckboxGroup的API类实例代码及写法，或者点击链接到github查看源代码。

源代码1 项目： dragonwell8_jdk 文件： DrawTest.java

@SuppressWarnings("LeakingThisInConstructor")
public DrawControls(DrawPanel target) {
    this.target = target;
    setLayout(new FlowLayout());
    setBackground(Color.lightGray);
    target.setForeground(Color.red);
    CheckboxGroup group = new CheckboxGroup();
    Checkbox b;
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.red);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.green);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.blue);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.pink);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.orange);
    add(b = new Checkbox(null, group, true));
    b.addItemListener(this);
    b.setForeground(Color.black);
    target.setForeground(b.getForeground());
    Choice shapes = new Choice();
    shapes.addItemListener(this);
    shapes.addItem("Lines");
    shapes.addItem("Points");
    shapes.setBackground(Color.lightGray);
    add(shapes);
}

源代码2 项目： dragonwell8_jdk 文件： LWCheckboxPeer.java

@Override
public void itemStateChanged(final ItemEvent e) {
    // group.setSelectedCheckbox() will repaint the component
    // to let LWCheckboxPeer correctly handle it we should call it
    // after the current event is processed
    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            boolean postEvent = true;
            final CheckboxGroup group = getTarget().getCheckboxGroup();
            if (group != null) {
                if (e.getStateChange() == ItemEvent.SELECTED) {
                    if (group.getSelectedCheckbox() != getTarget()) {
                        group.setSelectedCheckbox(getTarget());
                    } else {
                        postEvent = false;
                    }
                } else {
                    postEvent = false;
                    if (group.getSelectedCheckbox() == getTarget()) {
                        // Don't want to leave the group with no selected
                        // checkbox.
                        getTarget().setState(true);
                    }
                }
            } else {
                getTarget().setState(e.getStateChange()
                                     == ItemEvent.SELECTED);
            }
            if (postEvent) {
                postEvent(new ItemEvent(getTarget(),
                                        ItemEvent.ITEM_STATE_CHANGED,
                                        getTarget().getLabel(),
                                        e.getStateChange()));
            }
        }
    });
}

源代码3 项目： dragonwell8_jdk 文件： LWCheckboxPeer.java

@Override
public void setCheckboxGroup(final CheckboxGroup g) {
    synchronized (getDelegateLock()) {
        getDelegate().getCurrentButton().removeItemListener(this);
        getDelegate().setRadioButton(g != null);
        getDelegate().getCurrentButton().addItemListener(this);
    }
    repaintPeer();
}

源代码4 项目： TencentKona-8 文件： DrawTest.java

@SuppressWarnings("LeakingThisInConstructor")
public DrawControls(DrawPanel target) {
    this.target = target;
    setLayout(new FlowLayout());
    setBackground(Color.lightGray);
    target.setForeground(Color.red);
    CheckboxGroup group = new CheckboxGroup();
    Checkbox b;
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.red);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.green);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.blue);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.pink);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.orange);
    add(b = new Checkbox(null, group, true));
    b.addItemListener(this);
    b.setForeground(Color.black);
    target.setForeground(b.getForeground());
    Choice shapes = new Choice();
    shapes.addItemListener(this);
    shapes.addItem("Lines");
    shapes.addItem("Points");
    shapes.setBackground(Color.lightGray);
    add(shapes);
}

源代码5 项目： TencentKona-8 文件： LWCheckboxPeer.java

@Override
public void itemStateChanged(final ItemEvent e) {
    // group.setSelectedCheckbox() will repaint the component
    // to let LWCheckboxPeer correctly handle it we should call it
    // after the current event is processed
    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            boolean postEvent = true;
            final CheckboxGroup group = getTarget().getCheckboxGroup();
            if (group != null) {
                if (e.getStateChange() == ItemEvent.SELECTED) {
                    if (group.getSelectedCheckbox() != getTarget()) {
                        group.setSelectedCheckbox(getTarget());
                    } else {
                        postEvent = false;
                    }
                } else {
                    postEvent = false;
                    if (group.getSelectedCheckbox() == getTarget()) {
                        // Don't want to leave the group with no selected
                        // checkbox.
                        getTarget().setState(true);
                    }
                }
            } else {
                getTarget().setState(e.getStateChange()
                                     == ItemEvent.SELECTED);
            }
            if (postEvent) {
                postEvent(new ItemEvent(getTarget(),
                                        ItemEvent.ITEM_STATE_CHANGED,
                                        getTarget().getLabel(),
                                        e.getStateChange()));
            }
        }
    });
}

源代码6 项目： TencentKona-8 文件： LWCheckboxPeer.java

@Override
public void setCheckboxGroup(final CheckboxGroup g) {
    synchronized (getDelegateLock()) {
        getDelegate().getCurrentButton().removeItemListener(this);
        getDelegate().setRadioButton(g != null);
        getDelegate().getCurrentButton().addItemListener(this);
    }
    repaintPeer();
}

源代码7 项目： jdk8u60 文件： DrawTest.java

@SuppressWarnings("LeakingThisInConstructor")
public DrawControls(DrawPanel target) {
    this.target = target;
    setLayout(new FlowLayout());
    setBackground(Color.lightGray);
    target.setForeground(Color.red);
    CheckboxGroup group = new CheckboxGroup();
    Checkbox b;
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.red);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.green);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.blue);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.pink);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.orange);
    add(b = new Checkbox(null, group, true));
    b.addItemListener(this);
    b.setForeground(Color.black);
    target.setForeground(b.getForeground());
    Choice shapes = new Choice();
    shapes.addItemListener(this);
    shapes.addItem("Lines");
    shapes.addItem("Points");
    shapes.setBackground(Color.lightGray);
    add(shapes);
}

源代码8 项目： jdk8u60 文件： LWCheckboxPeer.java

@Override
public void itemStateChanged(final ItemEvent e) {
    // group.setSelectedCheckbox() will repaint the component
    // to let LWCheckboxPeer correctly handle it we should call it
    // after the current event is processed
    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            boolean postEvent = true;
            final CheckboxGroup group = getTarget().getCheckboxGroup();
            if (group != null) {
                if (e.getStateChange() == ItemEvent.SELECTED) {
                    if (group.getSelectedCheckbox() != getTarget()) {
                        group.setSelectedCheckbox(getTarget());
                    } else {
                        postEvent = false;
                    }
                } else {
                    postEvent = false;
                    if (group.getSelectedCheckbox() == getTarget()) {
                        // Don't want to leave the group with no selected
                        // checkbox.
                        getTarget().setState(true);
                    }
                }
            } else {
                getTarget().setState(e.getStateChange()
                                     == ItemEvent.SELECTED);
            }
            if (postEvent) {
                postEvent(new ItemEvent(getTarget(),
                                        ItemEvent.ITEM_STATE_CHANGED,
                                        getTarget().getLabel(),
                                        e.getStateChange()));
            }
        }
    });
}

源代码9 项目： jdk8u60 文件： LWCheckboxPeer.java

@Override
public void setCheckboxGroup(final CheckboxGroup g) {
    synchronized (getDelegateLock()) {
        getDelegate().getCurrentButton().removeItemListener(this);
        getDelegate().setRadioButton(g != null);
        getDelegate().getCurrentButton().addItemListener(this);
    }
    repaintPeer();
}

源代码10 项目： openjdk-jdk8u 文件： DrawTest.java

@SuppressWarnings("LeakingThisInConstructor")
public DrawControls(DrawPanel target) {
    this.target = target;
    setLayout(new FlowLayout());
    setBackground(Color.lightGray);
    target.setForeground(Color.red);
    CheckboxGroup group = new CheckboxGroup();
    Checkbox b;
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.red);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.green);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.blue);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.pink);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.orange);
    add(b = new Checkbox(null, group, true));
    b.addItemListener(this);
    b.setForeground(Color.black);
    target.setForeground(b.getForeground());
    Choice shapes = new Choice();
    shapes.addItemListener(this);
    shapes.addItem("Lines");
    shapes.addItem("Points");
    shapes.setBackground(Color.lightGray);
    add(shapes);
}

源代码11 项目： openjdk-jdk8u 文件： LWCheckboxPeer.java

@Override
public void itemStateChanged(final ItemEvent e) {
    // group.setSelectedCheckbox() will repaint the component
    // to let LWCheckboxPeer correctly handle it we should call it
    // after the current event is processed
    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            boolean postEvent = true;
            final CheckboxGroup group = getTarget().getCheckboxGroup();
            if (group != null) {
                if (e.getStateChange() == ItemEvent.SELECTED) {
                    if (group.getSelectedCheckbox() != getTarget()) {
                        group.setSelectedCheckbox(getTarget());
                    } else {
                        postEvent = false;
                    }
                } else {
                    postEvent = false;
                    if (group.getSelectedCheckbox() == getTarget()) {
                        // Don't want to leave the group with no selected
                        // checkbox.
                        getTarget().setState(true);
                    }
                }
            } else {
                getTarget().setState(e.getStateChange()
                                     == ItemEvent.SELECTED);
            }
            if (postEvent) {
                postEvent(new ItemEvent(getTarget(),
                                        ItemEvent.ITEM_STATE_CHANGED,
                                        getTarget().getLabel(),
                                        e.getStateChange()));
            }
        }
    });
}

源代码12 项目： openjdk-jdk8u 文件： LWCheckboxPeer.java

@Override
public void setCheckboxGroup(final CheckboxGroup g) {
    synchronized (getDelegateLock()) {
        getDelegate().getCurrentButton().removeItemListener(this);
        getDelegate().setRadioButton(g != null);
        getDelegate().getCurrentButton().addItemListener(this);
    }
    repaintPeer();
}

源代码13 项目： openjdk-jdk8u-backup 文件： DrawTest.java

@SuppressWarnings("LeakingThisInConstructor")
public DrawControls(DrawPanel target) {
    this.target = target;
    setLayout(new FlowLayout());
    setBackground(Color.lightGray);
    target.setForeground(Color.red);
    CheckboxGroup group = new CheckboxGroup();
    Checkbox b;
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.red);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.green);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.blue);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.pink);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.orange);
    add(b = new Checkbox(null, group, true));
    b.addItemListener(this);
    b.setForeground(Color.black);
    target.setForeground(b.getForeground());
    Choice shapes = new Choice();
    shapes.addItemListener(this);
    shapes.addItem("Lines");
    shapes.addItem("Points");
    shapes.setBackground(Color.lightGray);
    add(shapes);
}

源代码14 项目： openjdk-jdk8u-backup 文件： LWCheckboxPeer.java

@Override
public void itemStateChanged(final ItemEvent e) {
    // group.setSelectedCheckbox() will repaint the component
    // to let LWCheckboxPeer correctly handle it we should call it
    // after the current event is processed
    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            boolean postEvent = true;
            final CheckboxGroup group = getTarget().getCheckboxGroup();
            if (group != null) {
                if (e.getStateChange() == ItemEvent.SELECTED) {
                    if (group.getSelectedCheckbox() != getTarget()) {
                        group.setSelectedCheckbox(getTarget());
                    } else {
                        postEvent = false;
                    }
                } else {
                    postEvent = false;
                    if (group.getSelectedCheckbox() == getTarget()) {
                        // Don't want to leave the group with no selected
                        // checkbox.
                        getTarget().setState(true);
                    }
                }
            } else {
                getTarget().setState(e.getStateChange()
                                     == ItemEvent.SELECTED);
            }
            if (postEvent) {
                postEvent(new ItemEvent(getTarget(),
                                        ItemEvent.ITEM_STATE_CHANGED,
                                        getTarget().getLabel(),
                                        e.getStateChange()));
            }
        }
    });
}

源代码15 项目： openjdk-jdk8u-backup 文件： LWCheckboxPeer.java

@Override
public void setCheckboxGroup(final CheckboxGroup g) {
    synchronized (getDelegateLock()) {
        getDelegate().getCurrentButton().removeItemListener(this);
        getDelegate().setRadioButton(g != null);
        getDelegate().getCurrentButton().addItemListener(this);
    }
    repaintPeer();
}

源代码16 项目： openjdk-jdk9 文件： DrawTest.java

@SuppressWarnings("LeakingThisInConstructor")
public DrawControls(DrawPanel target) {
    this.target = target;
    setLayout(new FlowLayout());
    setBackground(Color.lightGray);
    target.setForeground(Color.red);
    CheckboxGroup group = new CheckboxGroup();
    Checkbox b;
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.red);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.green);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.blue);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.pink);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.orange);
    add(b = new Checkbox(null, group, true));
    b.addItemListener(this);
    b.setForeground(Color.black);
    target.setForeground(b.getForeground());
    Choice shapes = new Choice();
    shapes.addItemListener(this);
    shapes.addItem("Lines");
    shapes.addItem("Points");
    shapes.setBackground(Color.lightGray);
    add(shapes);
}

源代码17 项目： openjdk-jdk9 文件： LWCheckboxPeer.java

@Override
public void itemStateChanged(final ItemEvent e) {
    // group.setSelectedCheckbox() will repaint the component
    // to let LWCheckboxPeer correctly handle it we should call it
    // after the current event is processed
    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            boolean postEvent = true;
            final CheckboxGroup group = getTarget().getCheckboxGroup();
            if (group != null) {
                if (e.getStateChange() == ItemEvent.SELECTED) {
                    if (group.getSelectedCheckbox() != getTarget()) {
                        group.setSelectedCheckbox(getTarget());
                    } else {
                        postEvent = false;
                    }
                } else {
                    postEvent = false;
                    if (group.getSelectedCheckbox() == getTarget()) {
                        // Don't want to leave the group with no selected
                        // checkbox.
                        getTarget().setState(true);
                    }
                }
            } else {
                getTarget().setState(e.getStateChange()
                                     == ItemEvent.SELECTED);
            }
            if (postEvent) {
                postEvent(new ItemEvent(getTarget(),
                                        ItemEvent.ITEM_STATE_CHANGED,
                                        getTarget().getLabel(),
                                        e.getStateChange()));
            }
        }
    });
}

源代码18 项目： openjdk-jdk9 文件： LWCheckboxPeer.java

@Override
public void setCheckboxGroup(final CheckboxGroup g) {
    synchronized (getDelegateLock()) {
        getDelegate().getCurrentButton().removeItemListener(this);
        getDelegate().setRadioButton(g != null);
        getDelegate().getCurrentButton().addItemListener(this);
    }
    repaintPeer();
}

源代码19 项目： openjdk-jdk9 文件： CheckboxOperator.java

/**
 * Maps {@code Checkbox.getCheckboxGroup()} through queue
 */
public CheckboxGroup getCheckboxGroup() {
    return (runMapping(new MapAction<CheckboxGroup>("getCheckboxGroup") {
        @Override
        public CheckboxGroup map() {
            return ((Checkbox) getSource()).getCheckboxGroup();
        }
    }));
}

源代码20 项目： openjdk-jdk9 文件： CheckboxOperator.java

/**
 * Maps {@code Checkbox.setCheckboxGroup(CheckboxGroup)} through queue
 */
public void setCheckboxGroup(final CheckboxGroup grp) {
    runMapping(new MapVoidAction("setCheckboxGroup") {
        @Override
        public void map() {
            ((Checkbox) getSource()).setCheckboxGroup(grp);
        }
    });
}

源代码21 项目： jdk8u-jdk 文件： DrawTest.java

@SuppressWarnings("LeakingThisInConstructor")
public DrawControls(DrawPanel target) {
    this.target = target;
    setLayout(new FlowLayout());
    setBackground(Color.lightGray);
    target.setForeground(Color.red);
    CheckboxGroup group = new CheckboxGroup();
    Checkbox b;
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.red);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.green);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.blue);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.pink);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.orange);
    add(b = new Checkbox(null, group, true));
    b.addItemListener(this);
    b.setForeground(Color.black);
    target.setForeground(b.getForeground());
    Choice shapes = new Choice();
    shapes.addItemListener(this);
    shapes.addItem("Lines");
    shapes.addItem("Points");
    shapes.setBackground(Color.lightGray);
    add(shapes);
}

源代码22 项目： jdk8u-jdk 文件： LWCheckboxPeer.java

@Override
public void itemStateChanged(final ItemEvent e) {
    // group.setSelectedCheckbox() will repaint the component
    // to let LWCheckboxPeer correctly handle it we should call it
    // after the current event is processed
    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            boolean postEvent = true;
            final CheckboxGroup group = getTarget().getCheckboxGroup();
            if (group != null) {
                if (e.getStateChange() == ItemEvent.SELECTED) {
                    if (group.getSelectedCheckbox() != getTarget()) {
                        group.setSelectedCheckbox(getTarget());
                    } else {
                        postEvent = false;
                    }
                } else {
                    postEvent = false;
                    if (group.getSelectedCheckbox() == getTarget()) {
                        // Don't want to leave the group with no selected
                        // checkbox.
                        getTarget().setState(true);
                    }
                }
            } else {
                getTarget().setState(e.getStateChange()
                                     == ItemEvent.SELECTED);
            }
            if (postEvent) {
                postEvent(new ItemEvent(getTarget(),
                                        ItemEvent.ITEM_STATE_CHANGED,
                                        getTarget().getLabel(),
                                        e.getStateChange()));
            }
        }
    });
}

源代码23 项目： jdk8u-jdk 文件： LWCheckboxPeer.java

@Override
public void setCheckboxGroup(final CheckboxGroup g) {
    synchronized (getDelegateLock()) {
        getDelegate().getCurrentButton().removeItemListener(this);
        getDelegate().setRadioButton(g != null);
        getDelegate().getCurrentButton().addItemListener(this);
    }
    repaintPeer();
}

源代码24 项目： hottub 文件： DrawTest.java

@SuppressWarnings("LeakingThisInConstructor")
public DrawControls(DrawPanel target) {
    this.target = target;
    setLayout(new FlowLayout());
    setBackground(Color.lightGray);
    target.setForeground(Color.red);
    CheckboxGroup group = new CheckboxGroup();
    Checkbox b;
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.red);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.green);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.blue);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.pink);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.orange);
    add(b = new Checkbox(null, group, true));
    b.addItemListener(this);
    b.setForeground(Color.black);
    target.setForeground(b.getForeground());
    Choice shapes = new Choice();
    shapes.addItemListener(this);
    shapes.addItem("Lines");
    shapes.addItem("Points");
    shapes.setBackground(Color.lightGray);
    add(shapes);
}

源代码25 项目： hottub 文件： LWCheckboxPeer.java

@Override
public void itemStateChanged(final ItemEvent e) {
    // group.setSelectedCheckbox() will repaint the component
    // to let LWCheckboxPeer correctly handle it we should call it
    // after the current event is processed
    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            boolean postEvent = true;
            final CheckboxGroup group = getTarget().getCheckboxGroup();
            if (group != null) {
                if (e.getStateChange() == ItemEvent.SELECTED) {
                    if (group.getSelectedCheckbox() != getTarget()) {
                        group.setSelectedCheckbox(getTarget());
                    } else {
                        postEvent = false;
                    }
                } else {
                    postEvent = false;
                    if (group.getSelectedCheckbox() == getTarget()) {
                        // Don't want to leave the group with no selected
                        // checkbox.
                        getTarget().setState(true);
                    }
                }
            } else {
                getTarget().setState(e.getStateChange()
                                     == ItemEvent.SELECTED);
            }
            if (postEvent) {
                postEvent(new ItemEvent(getTarget(),
                                        ItemEvent.ITEM_STATE_CHANGED,
                                        getTarget().getLabel(),
                                        e.getStateChange()));
            }
        }
    });
}

源代码26 项目： hottub 文件： LWCheckboxPeer.java

@Override
public void setCheckboxGroup(final CheckboxGroup g) {
    synchronized (getDelegateLock()) {
        getDelegate().getCurrentButton().removeItemListener(this);
        getDelegate().setRadioButton(g != null);
        getDelegate().getCurrentButton().addItemListener(this);
    }
    repaintPeer();
}

源代码27 项目： openjdk-8-source 文件： DrawTest.java

@SuppressWarnings("LeakingThisInConstructor")
public DrawControls(DrawPanel target) {
    this.target = target;
    setLayout(new FlowLayout());
    setBackground(Color.lightGray);
    target.setForeground(Color.red);
    CheckboxGroup group = new CheckboxGroup();
    Checkbox b;
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.red);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.green);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.blue);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.pink);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.orange);
    add(b = new Checkbox(null, group, true));
    b.addItemListener(this);
    b.setForeground(Color.black);
    target.setForeground(b.getForeground());
    Choice shapes = new Choice();
    shapes.addItemListener(this);
    shapes.addItem("Lines");
    shapes.addItem("Points");
    shapes.setBackground(Color.lightGray);
    add(shapes);
}

源代码28 项目： openjdk-8-source 文件： LWCheckboxPeer.java

@Override
public void itemStateChanged(final ItemEvent e) {
    // group.setSelectedCheckbox() will repaint the component
    // to let LWCheckboxPeer correctly handle it we should call it
    // after the current event is processed
    SwingUtilities.invokeLater(new Runnable() {
        @Override
        public void run() {
            boolean postEvent = true;
            final CheckboxGroup group = getTarget().getCheckboxGroup();
            if (group != null) {
                if (e.getStateChange() == ItemEvent.SELECTED) {
                    if (group.getSelectedCheckbox() != getTarget()) {
                        group.setSelectedCheckbox(getTarget());
                    } else {
                        postEvent = false;
                    }
                } else {
                    postEvent = false;
                    if (group.getSelectedCheckbox() == getTarget()) {
                        // Don't want to leave the group with no selected
                        // checkbox.
                        getTarget().setState(true);
                    }
                }
            } else {
                getTarget().setState(e.getStateChange()
                                     == ItemEvent.SELECTED);
            }
            if (postEvent) {
                postEvent(new ItemEvent(getTarget(),
                                        ItemEvent.ITEM_STATE_CHANGED,
                                        getTarget().getLabel(),
                                        e.getStateChange()));
            }
        }
    });
}

源代码29 项目： openjdk-8-source 文件： LWCheckboxPeer.java

@Override
public void setCheckboxGroup(final CheckboxGroup g) {
    synchronized (getDelegateLock()) {
        getDelegate().getCurrentButton().removeItemListener(this);
        getDelegate().setRadioButton(g != null);
        getDelegate().getCurrentButton().addItemListener(this);
    }
    repaintPeer();
}

源代码30 项目： openjdk-8 文件： DrawTest.java

@SuppressWarnings("LeakingThisInConstructor")
public DrawControls(DrawPanel target) {
    this.target = target;
    setLayout(new FlowLayout());
    setBackground(Color.lightGray);
    target.setForeground(Color.red);
    CheckboxGroup group = new CheckboxGroup();
    Checkbox b;
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.red);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.green);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.blue);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.pink);
    add(b = new Checkbox(null, group, false));
    b.addItemListener(this);
    b.setForeground(Color.orange);
    add(b = new Checkbox(null, group, true));
    b.addItemListener(this);
    b.setForeground(Color.black);
    target.setForeground(b.getForeground());
    Choice shapes = new Choice();
    shapes.addItemListener(this);
    shapes.addItem("Lines");
    shapes.addItem("Points");
    shapes.setBackground(Color.lightGray);
    add(shapes);
}

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