javamixer.java

开源项目openfire的完整源程序

     * Returns whether the type of a FloatControl is BALANCE or PAN.
     *
     * @param control FloatControl control
     * @return boolean is Balance or Pan
     */
    private static boolean isBalanceOrPan(FloatControl control) {
        Control.Type type = control.getType();
        return type.equals(FloatControl.Type.PAN) || type.equals(FloatControl.Type.BALANCE);
    }

    public class MixerNode extends DefaultMutableTreeNode {

        Mixer mixer;

        public MixerNode(Mixer mixer) {
            super(mixer.getMixerInfo(), true);
            this.mixer = mixer;
        }

        public Mixer getMixer() {
            return mixer;
        }

    }

    public class PortNode extends DefaultMutableTreeNode {

        Line port;

        public PortNode(Line port) {
            super(port.getLineInfo(), true);
            this.port = port;
        }

        public Line getPort() {
            return port;
        }

    }

    public class ControlNode extends DefaultMutableTreeNode {

        Control control;
        Component component;

        public ControlNode(Control control) {
            super(control.getType(), true);
            this.control = control;
            if (control instanceof BooleanControl) {
                component = createControlComponent((BooleanControl) control);
            } else if (control instanceof EnumControl) {
                component = createControlComponent((EnumControl) control);
            } else if (control instanceof FloatControl) {
                component = createControlComponent((FloatControl) control);
            } else {
                component = null;
            }
        }

        public Control getControl() {
            return control;
        }

        public Component getComponent() {
            return component;
        }

        private JComponent createControlComponent(BooleanControl control) {
            AbstractButton button;
            String strControlName = control.getType().toString();
            ButtonModel model = new JavaMixer.BooleanControlButtonModel(control);
            button = new JCheckBox(strControlName);
            button.setModel(model);
            return button;
        }

        private JComponent createControlComponent(EnumControl control) {
            JPanel component = new JPanel();
            String strControlName = control.getType().toString();
            component.setBorder(new TitledBorder(new EtchedBorder(), strControlName));
            return component;
        }

        private JComponent createControlComponent(FloatControl control) {
            int orientation = isBalanceOrPan(control) ? JSlider.HORIZONTAL : JSlider.VERTICAL;
            BoundedRangeModel model = new JavaMixer.FloatControlBoundedRangeModel(control);
            JSlider slider = new JSlider(model);
            slider.setOrientation(orientation);
            slider.setPaintLabels(true);
            slider.setPaintTicks(true);
            slider.setSize(10, 50);
            return slider;
        }

    }

    public class BooleanControlButtonModel extends DefaultButtonModel {
        private BooleanControl control;

        public BooleanControlButtonModel(BooleanControl control) {
            this.control = control;
            this.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent e) {
                    setSelected(!isSelected());
                }
            });
        }

        public void setSelected(boolean bSelected) {
            control.setValue(bSelected);
        }

        public boolean isSelected() {
            return control.getValue();
        }
    }

    public class FloatControlBoundedRangeModel extends DefaultBoundedRangeModel {

        private FloatControl control;
        private float factor;

        public FloatControlBoundedRangeModel(FloatControl control) {
            this.control = control;
            float range = 100;
            float steps = range / 100;
            factor = range / steps;
            int min = (int) (control.getMinimum() * factor);
            int max = (int) (control.getMaximum() * factor);
            int value = (int) (control.getValue() * factor);
            setRangeProperties(value, 0, min, max, false);
        }

        private float getScaleFactor() {
            return factor;
        }

        public void setValue(int nValue) {
            super.setValue(nValue);
            control.setValue((float) nValue / getScaleFactor());
        }

        public int getValue() {
            return (int) (control.getValue() * getScaleFactor());
        }

    }

    public static void main(String[] args) {
        final JavaMixer sm = new JavaMixer();
        final JFrame jf = new JFrame("Mixer Test");
        final JPanel jp = new JPanel();
        jf.add(jp);
        jp.add(sm.getTree());
        jf.setSize(600, 500);
        jf.setVisible(true);
        jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        sm.getTree().addTreeSelectionListener(new TreeSelectionListener() {
            public void valueChanged(TreeSelectionEvent e) {
                TreePath path = e.getPath();
                if (path.getLastPathComponent() instanceof JavaMixer.ControlNode) {
                    JavaMixer.ControlNode controlNode = (JavaMixer.ControlNode) path.getLastPathComponent();
                    if (!(controlNode.getControl() instanceof CompoundControl)) {
                        if (jp.getComponentCount() > 1)
                            jp.remove(1);
                        jp.add(controlNode.getComponent(), 1);
                        jp.repaint();
                    }
                }
            }
        });
        jp.add(sm.getPrefferedMasterVolume());
        jp.add(sm.getPrefferedMasterVolume());
        jp.add(sm.getPrefferedInputVolume());
        jp.repaint();
        sm.setMicrophoneInput();
        sm.setMuteForMicrophoneOutput();
    }

    public TreePath find(TreePath path, Object[] nodes) {
        return find2(path, nodes, 0, false);
    }

    public TreePath findByName(TreePath path, String[] names) {
        return find2(path, names, 0, true);
    }

    private TreePath find2(TreePath parent, Object[] nodes, int depth, boolean byName) {
        TreeNode node = (TreeNode) parent.getLastPathComponent();
        if (depth > nodes.length - 1) {
            return parent;
        }

        if (node.getChildCount() >= 0) {
            for (Enumeration e = node.children(); e.hasMoreElements();) {
                TreeNode n = (TreeNode) e.nextElement();
                TreePath path = parent.pathByAddingChild(n);
                boolean find;

                if (byName) {
                    find = n.toString().toUpperCase().indexOf(nodes[depth].toString().toUpperCase()) > -1;
                } else {
                    find = n.equals(nodes[depth]);
                }

                if (find) {
                    TreePath result = find2(path, nodes, depth + 1, byName);
                    if (result != null) {
                        return result;
                    }
                } else {
                    TreePath result = find2(path, nodes, depth, byName);
                    if (result != null) {
                        return result;
                    }
                }
            }
        }

        return null;
    }
}