urlcodebox.java~

来自「KeePass for J2ME is a J2ME port of KeePa」· JAVA~ 代码 · 共 109 行

package org.phoneid.keepassj2me;

// PhoneID utils
import org.phoneid.*;

// Java
import java.io.*;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class PasswordBox implements CommandListener
{
    protected KeePassMIDlet midlet;
    private boolean isReady = false;
    private Displayable dspBACK;
    private String result = null;
    private Form form = null;
    private TextField txtField = null;
    private int mCommandType = 0;

    /**
     * title : title of entire window
     * boxTitle : title of text enter field
     * defaultValue : default value of text enter field
     * maxLen : max length of text enter field
     * midlet : parent MIDlet object
     * returnToPrevScreen : return to previous screen when the task is done
     * type : TextField.NUMERIC, TextField.PASSWORD, etc.
     * thirdButton : put a string if you want to have the third button after OK and CANCEL
     * comment : comment about third button
     */
    
    public PasswordBox(String title, String boxTitle, String defaultValue, int maxLen, KeePassMIDlet midlet, boolean returnToPrevScreen, int type, String thirdButton, String comment)
    {
	//System.out.println ("PasswordBox 1");
	
	form = new Form(title);
		
	this.midlet = midlet;

	//System.out.println ("PasswordBox 2: " + defaultValue);
	txtField = new TextField(boxTitle, defaultValue, maxLen, type);
	//System.out.println ("PasswordBox 3");
	form.append(txtField);

	//System.out.println ("PasswordBox 4");
	form.setCommandListener(this);
	form.addCommand(new Command("OK", Command.OK, 1));
	form.addCommand(new Command("Cancel", Command.CANCEL, 1));
	if (thirdButton != null)
	    form.addCommand(new Command(thirdButton, Command.ITEM, 1));

	if (comment != null)
	    form.append(comment);
	
	// Previous Display
	dspBACK = Display.getDisplay(midlet).getCurrent();
	// Set Display
	Display.getDisplay(midlet).setCurrent(form);
		
	// wait for it to be done
	waitForDone();
		
	// Return the the previous display
	if (returnToPrevScreen == true) 
	    Display.getDisplay(midlet).setCurrent(dspBACK);
    }

    private void waitForDone()
    {
	try {
	    while(!isReady) {
		synchronized(this) {
		    this.wait();
		}
	    }
	} catch(Exception e) {
	}
    }

    public void commandAction(Command cmd, Displayable dsp)
    {
	mCommandType = cmd.getCommandType();
	
	if(cmd.getCommandType() == Command.OK ||
	   cmd.getCommandType() == Command.CANCEL ||
	   cmd.getCommandType() == Command.ITEM) {
	    if(cmd.getCommandType() == Command.OK)
		result = txtField.getString();
	    else 
		result = null;
	    
	    isReady = true;
	    
	    synchronized(this) {
		this.notify();
	    }			
	}
    }

    public String getResult() {
	return result;
    }

    public int getCommandType() {
	return mCommandType;
    }
}