subconfigbox.java

这是一个从音频信号里提取特征参量的程序

			    // held in small icon
			    //
			    image_name = (String)data.values.get(j);
			}
		    }
		}

		// check to see if the file exists. If it does not exist,
		// use a default image.
		//
		if(image_name != null){
		    File image_file = new File(image_name);
		    if (image_file.exists() == false) {
			image_name = DEFAULT_PATH + "default.gif";
		    }
		}
		else {
		    image_name = DEFAULT_PATH + "default.gif";
		}

		// create the icons for the config panel
		//
		ImageIcon icon = new ImageIcon(image_name);
		
		// create the button for the config panel
		//
		Vertex button = new Vertex(icon, ALGORITHM);

		// to simplify the creation, the data vectors will be
		// trimmed to only include the transform we're looking at
		// and saved into these three vectors for use in a bit
		//
		Vector labels2 = new Vector(5,5);
		Vector types2 = new Vector(5,5);
		Vector values2 = new Vector(5,5);

		for(int j=data.association.indexOf(image_association); 
		    j <= data.association.lastIndexOf(image_association);
		    j++) {
		    if(j != -1) {
			labels2.add(data.name.get(j));
			types2.add(data.type.get(j));
			values2.add(data.values.get(j));
		    }
		}

		// initialize the vertex to the default values for its type
		//
		button.initializeConfig(labels2, values2, types2,
				      image_association, data);
		
		// attach an action listener to the button
		//
		button.setActionCommand("class");
		button.addActionListener(this);

		// add subclass button to the vector
		//
		subVertex.subclass.add(button);
		
		// add the vertex to the button panel
		//
		constrain(config_panel,button, gridbag, 3, i,
			  1, 1, 1, 0, GridBagConstraints.EAST);
		enteredData.add(button);
		blockType.add("Vertex");
	    }
	    
	    // take care of anything of type text
	    //
	    else if (types.get(i).equals("text")) {

		JTextField TextField = 
		    new JTextField(((String)subVertex.values.get(i)), 8);
		constrain(config_panel,TextField, gridbag, 3, i,
			  1, 1, 1, 0, GridBagConstraints.EAST);
		enteredData.add(TextField);
		blockType.add("text");
		TextField.setFont(newFont);
		TextField.setForeground(Color.black);
	    }

	    // take care of type vector
	    //
	    else if (types.get(i).equals("vector")) {
		JTextField TextField = 
		    new JTextField(((String)subVertex.values.get(i)), 8);
		TextField.setFont(newFont);
		TextField.setForeground(Color.black);
		constrain(config_panel,TextField, gridbag, 3, i,
			  1, 1, 1, 0, GridBagConstraints.EAST);
		enteredData.add(TextField);
		blockType.add("vector");
	    }

	    // take care of anything of type double
	    //
	    else if (types.get(i).equals("double")) {

		JTextField TextField = 
		    new JTextField(((String)subVertex.values.get(i)), 8);
		constrain(config_panel,TextField, gridbag, 3, i,
			  1, 1, 1, 0, GridBagConstraints.EAST);
		enteredData.add(TextField);
		blockType.add("double");
		TextField.setFont(newFont);
		TextField.setForeground(Color.black);
	    }
	    
	    // creation of input box for unsigned int
	    //
	    else if (types.get(i).equals("unsigned-integer")) {

		JTextField TextField = 
		    new JTextField(((String)subVertex.values.get(i)), 8);
		constrain(config_panel,TextField, gridbag, 3, i,
			  1, 1, 1, 0, GridBagConstraints.EAST);
		enteredData.add(TextField);
		blockType.add("unsigned-integer");
		TextField.setFont(newFont);
		TextField.setForeground(Color.black);
	    }

	    // creation of input box for image
	    //
	    else if (types.get(i).equals("image")) {
		// do nothing in this case
	    }

	    // creation of input box for float
	    //
	    else if (types.get(i).equals("float")) {

		JTextField TextField = 
		    new JTextField(((String)subVertex.values.get(i)), 8);
		constrain(config_panel,TextField, gridbag, 3, i,
			  1, 1, 1, 0, GridBagConstraints.EAST);
		enteredData.add(TextField);
		blockType.add("float");
		TextField.setFont(newFont);
		TextField.setForeground(Color.black);
	    } 

	    // creation of input box for int
	    //
	    else if (types.get(i).equals("integer")) {

		JTextField TextField = 
		    new JTextField(((String)subVertex.values.get(i)), 8);
		constrain(config_panel,TextField, gridbag, 3, i,
			  1, 1, 1, 0, GridBagConstraints.EAST);
		enteredData.add(TextField);
		blockType.add("integer");
		TextField.setFont(newFont);
		TextField.setForeground(Color.black);
	    }

	    // !!! unexpected data type
	    //
	    else {
		System.err.println();
		System.err.println("---------------------------------------");
		System.err.println("Error - Unexpected data type in file resource.txt: " + types.get(i));
		System.err.println("---------------------------------------");
		System.exit(0);
	    }

	    // check to see if the width of a JComboBox or JTextField
	    // is wider than maxwidth and if it is, give that value to 
	    // maxwidth
	    //
    	    String type = (String)blockType.get(i);

	    if((!type.equals("Vertex") &&
		(!type.equals("image")) &&
		(!type.equals("boolean")))) {

		Dimension size = (Dimension)((JComponent)enteredData.
					     get(i)).getPreferredSize();
		int width = (int)size.getWidth();
		int height = (int)size.getHeight();
		if( width > maxwidth) {
		    maxwidth = width;
		    maxheight = height;
		}
	    }
	}

	for(int i = 0; i < blockType.size(); i++) {
	    String type = (String)blockType.get(i);
	    if((!type.equals("Vertex") &&
		(!type.equals("image")) &&
		(!type.equals("boolean")))) {
		Dimension size = new Dimension(maxwidth, maxheight);
		((JComponent)enteredData.get(i)).
		    setPreferredSize(size);
		((JComponent)enteredData.get(i)).
		    setMinimumSize(size);
	    }
	}

	// create a button panel to place all buttons on so proper spacing 
	// can be acheived
		
	JPanel button_panel = new JPanel();
	if( max_subparam > 0) {

	    // create a button panel to place all buttons on so proper spacing 
	    // can be acheived
	    //	
	    button_panel.setLayout(new GridLayout(1,4, 1, 1));
	    
	    // create the configure button and add the appropriate action handler
	    //
	    config_button = new JButton("Configure");
  	    button_panel.add(config_button);
	    config_button.addActionListener(this);
	    config_button.setActionCommand("param");
	    config_button.setFont(newFont);
	
	    // 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 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);
	}
	else {

	    // create a button panel to place all buttons on so proper spacing 
	    // can be acheived
	    //	
	    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);		
	}

	constrain(config_panel, button_panel, gridbag, 0, labels.size()+1,
		  GridBagConstraints.REMAINDER,1,1,1,
		  GridBagConstraints.SOUTH);
    }

    // method: constrain
    //
    // arguments:
    //    JPanel container      :  panel being added to
    //    Component button      :  what is being added to the panel
    //    GridBagLayout gridbag :  gridbag layout for config panel
    //    int gridx             :  the x grid position of the constraint
    //    int gridy             :  the y grid position of the constraint
    //    int gridwidth         :  the number of gridspaces wide to constrain
    //    int gridheight        :  the number of gridspaces tall to constrain
    //    int weightx           :  the horizontal weighting of the constraint
    //    int weighty           :  the vertical weighting of the constraint
    //    int anchor            :  which side of the constraint to anchor to
    //
    // return  :  none
    //
    //  places all the proper input items onto the config panel 
    //  for configuring any transform
    // 
    public void constrain(JPanel container,Component button, 
			  GridBagLayout gridbag, int gridx,int gridy, 
			  int gridwidth, int gridheight,
			  int weightx, int weighty, int anchor){
	GridBagConstraints c = new GridBagConstraints();
	c.gridx = gridx;
	c.gridy = gridy;
	c.gridwidth = gridwidth;
	c.gridheight = gridheight;
	c.weightx = weightx;
	c.weighty = weighty;
	c.anchor = anchor;
	gridbag.setConstraints(button, c);
	container.add(button);
    }

     // method: validation
    //
    // arguments:  none
    //
    // return:  boolean 
    //
    // checks to make sure that all configuration data has been input properly
    // and if it has, make the changes to the referrign vertex 
    // 
    public boolean validation() {
	
	subparamInfo =  new Vector(5,5);

	for(int i=0; i < labelReference.size(); i++) {
	    
	    if(blockType.get(i).equals("Vertex")) {
		break;
	    }
	    
	    if(blockType.get(i).equals("enum")) {
		
		// set the vertex's value to match the newly selected one
		//
		subparamInfo.add((String)((JComboBox)enteredData.get(i)).
				     getSelectedItem());
	    }
	}

	for(int i=0; i < labelReference.size(); i++) {
	    
	    // code to use if the data is a text field
	    //
	    if (blockType.get(i).equals("text")) {
		subVertex.values.set(i,
				   ((JTextField)enteredData.get(i)).getText());
	    }

	    // code to use if the data is a vector field
	    //
	    if (blockType.get(i).equals("vector")) {
		subVertex.values.set(i,
				   ((JTextField)enteredData.get(i)).getText());
	    }
	    
	    // code to use if the data is an enumerated type
	    //
	    if(blockType.get(i).equals("enum")) {
		
		// set the vertex's value to match the newly selected one
		//
		subVertex.values.
		    set(i,(String)((JComboBox)enteredData.get(i)).
			getSelectedItem());
	    }
	    
	    // code to get information from a check box
	    //
	    if (blockType.get(i).equals("boolean")) {
		
		boolean status = ((JCheckBox)enteredData.get(i)).isSelected();
		String value = new String();
		if(status)
		    value = "true";
		else
		    value = "false";
		subVertex.values.set(i,value);
	    }