configboxarc.java

这是一个从音频信号里提取特征参量的程序

// file: ConfigBox.java
//

// import java libraries
//
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import java.util.*;
import java.io.*;
import java.lang.*;
import javax.swing.plaf.*;

public class ConfigBoxArc extends JDialog implements ActionListener, 
						 ItemListener, Constants {

    // ---------------------------------------------------
    //
    // declare class member data
    //
    // ---------------------------------------------------

    // data from the parsed text file
    //
    Data data = null;
    
    // scroll pane to hold all the parameter fields
    //
    JScrollPane scroll_pane = null;

    // panel to hold all the config data fields
    // to be mounted in a scrollable pane
    //
    JPanel config_panel = null;
    
    // Button to get values an return to process design box
    //
    JButton save_button = null;
    JButton cancel_button = null;
    JButton default_button = null;
    JButton help_button = null;
    JButton config_button = null;    

    //Vector of labels and data blocks (text fields, selection blocks,
    //check boxes, etc..)
    //
    Vector enteredData = null;
    Vector blockType = null;
    Vector labelReference = null;

    //Vector of subclass vertices
    //
    Vector config_vertices = null;

    // Type of configuration box
    //
    int cfgType = 0;

    // arc index
    //
    int index = 0;
    
    // input Block Exist
    //
    boolean inputFlag = false;

    // Max number of subclasses
    //
    int max_subclass = 0;

    // vertex that is being configured
    //
    Vertex cfgVertexFocus = null;

    // WorkArea that allows the return button to do a proper repaint
    //
    WorkArea workArea = null;

    // jlabels used to lable each of the items in the config box
    //
    public Vector labels = null;

    // vectors user in a connector box configuration
    //
    Vector connBox = null;
    Vector connLabels = null;
    Vector connection_order = null;

    // DiGraph
    //
    DiGraph digraph;

    // ---------------------------------------------------
    //
    // declare class constructors
    //
    // ---------------------------------------------------

    // method: ConfigBox
    //
    // arguments: none
    // returns  : none
    //
    public ConfigBoxArc(DiGraph parent, Data d, Vertex b, WorkArea area, int type, int arcnum) {	      
	
	// invoke the parent default constructor
	//
	//super("Configuration Box");
	super(parent,"Configuration Box", true);

	digraph = parent;
	
	index = arcnum;

	Point xy = parent.getLocation();
	setLocation((int)xy.getX() + 100,(int)xy.getY() + 200);

	// Set the configuration type
	//
	cfgType = type;

	// Make the passed Data object available globally
	//
	data = d;
	
	// Initialize the enteredData and labelReference vectors for use
	//
	enteredData = new Vector(5,5);
	labelReference = new Vector(5,5);
	blockType = new Vector(5,5);
	
	// This is the vertex that is being configured
	//
	cfgVertexFocus = b;

	//Create this new panel with gridbag layout
	//
	config_panel =  new JPanel();
	addConfig();

	// make reference available globally for work area
	//
	workArea = area;
	
	//Set the sizes of the scroll pane and configuration panel
	//
	int height = (labelReference.size()+2) * 25  + 70;
	int width = 335 + 55;

	config_panel.setSize(width,height);
	config_panel.setMinimumSize(new Dimension(width,height));
	config_panel.setPreferredSize(new Dimension(width,height));
	config_panel.setMaximumSize(new Dimension(width,height));

	//  create the appropriate string for the border
	//
	String border_title = null;
	if(cfgType == 0)
	    border_title = 
		new String(" Arc Parameters");
	else if (cfgType == 1){
	    border_title = 
		new String("Connector Configuration:");
	}

	// create the border and set the proper font
	//
	BorderUIResource.TitledBorderUIResource border =
	    new BorderUIResource.TitledBorderUIResource(border_title);
	border.setTitleFont(newFont);
	border.setTitleColor(Color.black);

	// make the config panel use the proper border
	//
	config_panel.setBorder(border);

	//Add the scroll pane to the frame
	//
	this.getContentPane().add(config_panel, BorderLayout.NORTH);
    }

    
    // ---------------------------------------------------
    //
    // declare class methods
    //
    // ---------------------------------------------------

    // method:  addConfig()
    //
    // arguments:  none
    // return: none
    //
    //  dynamically adds and constrains all objects on the JPanel
    //
    public void addConfig() {


	//  make this config panel use grid bag layout
	//
	GridBagLayout gridbag = new GridBagLayout();
	config_panel.setLayout(gridbag);

	// create from vertex labels to be included in the arc
	//
	JLabel fromLabel = new JLabel("from: ");
	fromLabel.setFont(newFont);
	fromLabel.setForeground(Color.black);
	constrain(config_panel,fromLabel, gridbag, 0, 0,
			  1, 1, 1, 0, GridBagConstraints.WEST);

	Vertex fromv = null;
	fromv = (Vertex)digraph.graphArc.from.get(index);
	String fromname = null;
	JTextField fvertexField = new JTextField(fromv.getVertexName(), 8);
	fvertexField.setEditable(false);
	fvertexField.setFont(newFont);
	fvertexField.setForeground(Color.black);
	constrain(config_panel,fvertexField, gridbag, 3, 0,
		  1, 1, 1, 0, GridBagConstraints.EAST);

	// create to vertex labels to be included in the arc
	//
	JLabel toLabel = new JLabel("to: ");
	toLabel.setFont(newFont);
	toLabel.setForeground(Color.black);
	constrain(config_panel,toLabel, gridbag, 0, 1,
			  1, 1, 1, 0, GridBagConstraints.WEST);

	Vertex tov = null;
	tov = (Vertex)digraph.graphArc.to.get(index);
	String toname = null;
	JTextField tvertexField = new JTextField(tov.getVertexName(), 8);
	tvertexField.setEditable(false);
	tvertexField.setFont(newFont);
	tvertexField.setForeground(Color.black);
	constrain(config_panel,tvertexField, gridbag, 3, 1,
		  1, 1, 1, 0, GridBagConstraints.EAST);


	// add the appropriate input values depending on whether the 
	// vertex being configured in a transform or a connector
	//
	if(cfgType == 0) {
	    //addTransformConfig(gridbag);
	    addArcConfig(gridbag);
	}
	else if (cfgType == 1){
	    addConnectorConfig(gridbag);
	}

	// create a button panel to place all buttons on so proper spacing 
	// can be acheived
	//	
	JPanel button_panel = new JPanel();
	button_panel.setLayout(new GridLayout(1,4, 1, 1));

	// create the return button and add the appropriate action handler
	//
	save_button = new JButton("Save");
	button_panel.add(save_button);
	save_button.addActionListener(this);
	save_button.setActionCommand("update");
	save_button.setFont(newFont);
	
	// create the cancel button and add to subpanel
	//
	cancel_button = new JButton("Cancel");
	button_panel.add(cancel_button);
	cancel_button.addActionListener(this);
	cancel_button.setActionCommand("cancel");
	cancel_button.setFont(newFont);

	// create the default button and add to subpanel
	//
	default_button = new JButton("  Default ");
	button_panel.add(default_button);
	default_button.addActionListener(this);
	default_button.setActionCommand("default");
	default_button.setFont(newFont);

	// create the help button and add to subpanel
	//
	help_button = new JButton("Help");
	button_panel.add(help_button);
	help_button.addActionListener(this);
	help_button.setActionCommand("help");
	help_button.setFont(newFont);	

	// place the button panel onto the config panel
	//
	constrain(config_panel, button_panel, gridbag, 0, labels.size()+1,
		  GridBagConstraints.REMAINDER,1,1,1,
		  GridBagConstraints.SOUTH);

    }
   
    // method: addConnectorConfig
    //
    // arguments:
    //    GridBagLayout gridbag:  gridbag layout for config panel
    //
    // return   : none
    //
    //  places all the proper input items onto the config panel 
    //  for configuring a connector box
    //
    public void addConnectorConfig(GridBagLayout gridbag)  {
	
	// get the number of parents this connector vertex has
	//
	int size = cfgVertexFocus.getInDegree();
	
	// create a vector containing the names of all the connector's 
	// parents
	//
	labels = new Vector(5,5);

	// populate the names vector
	//
	for(int i=0; i < size; i++) {
	    Vertex vertex_parent = (Vertex)cfgVertexFocus.vertexParents.get(i);
	    String vertex_name = vertex_parent.getVertexName();
	    labels.add((i + 1) + ":" + vertex_name);
	}

	// create a vector of JLabels and JComboBox for use in swapping
	//
	connLabels = new Vector(size,1);
	connBox = new Vector(size,1);
	connection_order = new Vector(size,1);

	// populate the vector's for display 
	//
	for(int i=0; i < labels.size(); i++) {
	    connLabels.add(new JLabel("Position " + (i+1)));
	    connBox.add(new JComboBox(labels));
	    ((JComboBox)connBox.get(i)).setSelectedIndex(i);
	    ((JComboBox)connBox.get(i)).addItemListener(this);
	}
	
	for(int i=0; i < labels.size(); i++) {
	  
	    // place the label onto the screen
	    //
	    ((JLabel)connLabels.get(i)).setForeground(Color.black);
	    constrain(config_panel,(JLabel)(connLabels.get(i)), gridbag, 0, i,
		      1, 1, 1, 0, GridBagConstraints.WEST);
	    ((JLabel)connLabels.get(i)).setFont(newFont);
	    labelReference.add((JLabel)connLabels.get(i));

	    // place the JComboBox on the screen
	    //
	    ((JComboBox)connBox.get(i)).setForeground(Color.black);
	    constrain(config_panel,((JComboBox)connBox.get(i)), gridbag, 1, i,
		      1, 1, 1, 0, GridBagConstraints.EAST);
	    ((JComboBox)connBox.get(i)).setFont(newFont);

	    // populate a vector to tell me connections made
	    //
	    Integer integer = new Integer(i);
	    connection_order.add(integer);
	}
    }

    // method: addArcConfig
    //
    // arguments:
    //    GridBagLayout gridbag:  gridbag layout for config panel
    //
    // return   : none
    //
    //  places all the proper input items onto the config panel 
    //  for configuring any transform
    //
    public void addArcConfig(GridBagLayout gridbag)  {

	labels = new Vector(5,5);
	
	// create labels to be included in the frame
	//
	JLabel weightLabel = new JLabel("Weight: ");
	weightLabel.setFont(newFont);
	weightLabel.setForeground(Color.black);
	labelReference.add(weightLabel);
		constrain(config_panel,weightLabel, gridbag, 0, 2,
			  1, 1, 1, 0, GridBagConstraints.WEST);
	labels.add("Weight");
	String tmpw = null;
	tmpw = (String)digraph.graphArc.weights.get(index);
	JTextField weightField = null; 
	if(tmpw != null) {
	    	weightField = new JTextField(tmpw, 8);
	}
	else {
	    weightField = new JTextField("1.0", 8);
	}
	weightField.setFont(newFont);
	weightField.setForeground(Color.black);
	constrain(config_panel,weightField, gridbag, 3, 2,
		  1, 1, 1, 0, GridBagConstraints.EAST);

	enteredData.add(weightField);
	blockType.add("float");
	
	JLabel epiLabel = new JLabel("Epsilon: ");
	labels.add("Epsilon");
	epiLabel.setFont(newFont);
	epiLabel.setForeground(Color.black);
	labelReference.add(epiLabel);
	constrain(config_panel,epiLabel, gridbag, 0, 3,
		  1, 1, 1, 0, GridBagConstraints.WEST);
		
	// create the check box
	//
	boolean value2 = false;
	
	String tmpe = null;
	tmpe = (String)digraph.graphArc.epsilon.get(index);
	JCheckBox checkBox = null;

	// instantiate and place chack box on config panel
	//
	if(tmpe == "true") {
	    checkBox = new JCheckBox("", true);
	}
	else {
	    checkBox = new JCheckBox("", value2);
	}
	constrain(config_panel, checkBox, gridbag, 3, 3,
		  1,1,1,0,GridBagConstraints.EAST);
	enteredData.add(checkBox);
	blockType.add("boolean");

    }



    // method: addTransformConfig
    //
    // arguments:
    //    GridBagLayout gridbag:  gridbag layout for config panel
    //
    // return   : none
    //
    //  places all the proper input items onto the config panel 
    //  for configuring any transform
    //
    public void addTransformConfig(GridBagLayout gridbag)  {