logform.java

蓝牙上网 j2me的源代码

package Hiisi;

import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.Spacer;
import javax.microedition.lcdui.StringItem;

public class LogForm extends Form implements CommandListener{
	
	private long sentByte = 0;
	private long recvdByte = 0;
	
	long getSentByte() {
		return sentByte;
	}
	long addSentByte(int b) {
		sentByte += b;
		return sentByte;
	}
	long getRecvdByte() {
		return recvdByte;
	}
	long addRecvdByte(int b) {
		recvdByte += b;
		return recvdByte;
	}
	
	// opeiton metus
	private Command[] command = new Command[2];
	
	// constructor
	LogForm() {
		super(HiisiMIDlet.hiisiMIDlet.proxyName);
		
		totalLog(0, 0);
		
		command[0] = new Command("Back", Command.EXIT, 1);
		command[1] = new Command("Clear", Command.SCREEN, 2);
		addCommand(command[0]);
		addCommand(command[1]);
		setCommandListener(this);
	}
	
	// adds HTTP log
	synchronized void log(String msg) {
		int logSize = size();
		if(logSize > 6 && !HiisiMIDlet.settingForm.isLogEnable()) {
			for(int i = logSize; i > 6; i--) delete(i - 1);
		}
		insert(2, new StringItem("", msg));
	}
	
	synchronized void totalLog(long sent, long recvd) {
		if(size() == 0) {
			append("Sent: " + sent/1024 + "KB, Recvd.: " + recvd/1024 + "KB\n");
			Spacer spacer = new Spacer(5, 5);
			spacer.setLayout(Item.LAYOUT_2|Item.LAYOUT_NEWLINE_AFTER);
			append(spacer);
		} else {
			set(0, new StringItem("","Sent: " + sent/1024 + "KB, Recvd.: " + recvd/1024 + "KB\n"));
		}
	}
	
	// comfirmation for delete log
	private void makeConfirmationAlert() {
		final Command[] cmd = new Command[2];
		Alert confirm = new Alert("Clear log",
			"You are about to delete your entire proxy log. Do you wish to continue?", null, AlertType.WARNING);
		confirm.setTimeout(Alert.FOREVER);
		cmd[0] = new Command("Yes", Command.OK, 1);
		cmd[1] = new Command("No", Command.CANCEL, 2);
		confirm.addCommand(cmd[0]);
		confirm.addCommand(cmd[1]);
		confirm.setCommandListener(
			new CommandListener() {
				public void commandAction(Command c, Displayable d) {
					if(c == cmd[0]) {
						deleteAll();
						totalLog(getSentByte(), getRecvdByte());
					}
					Display.getDisplay(HiisiMIDlet.hiisiMIDlet).setCurrent(HiisiMIDlet.logForm);
				}
			}
		);
		Display.getDisplay(HiisiMIDlet.hiisiMIDlet).setCurrent(confirm);
	}
	
	// actions of option menus
	public void commandAction(Command c,Displayable d) {
		// back
		if(c == command[0]) {
			Display.getDisplay(HiisiMIDlet.hiisiMIDlet).setCurrent(HiisiMIDlet.mainForm);
		}
		// clears log
		if(c == command[1]) {
			makeConfirmationAlert();
		}
	}
}