listitem.java

Sony Ericsson手机上的Facebook客户端全套代码

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   ListItem.java

package com.sonyericsson.fb.ui.fbComponents;

import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.Displayable;
import se.southend.drops.scene.Group;
import se.southend.drops.scene.Node;
import se.southend.drops.screen.KeyHandler;
import se.southend.drops.screen.ScreenEngine;

public abstract class ListItem extends Group
{

    public ListItem()
    {
        mCommand = null;
        mCommandAdded = false;
        mFocused = false;
    }

    public void setDimensions(int width, int height)
    {
        itemHeight = height;
        itemWidth = width;
    }

    public int getHeight()
    {
        return itemHeight;
    }

    public int getWidth()
    {
        return itemWidth;
    }

    public void setBackground(Group bg)
    {
        mBackground = bg;
    }

    public Group getBackground()
    {
        return mBackground;
    }

    public void setListPosition(int y)
    {
        setLocalPosition(getLocalX(), y);
        if(getBackground() != null)
            getBackground().setLocalPosition(getLocalX(), y);
    }

    public abstract boolean isFocusable();

    public abstract boolean input(KeyHandler keyhandler);

    public void setFocused(boolean focused)
    {
        mFocused = focused;
        if(mCommandAdded && !focused)
        {
            ScreenEngine.getInstance().getCanvas().removeCommand(mCommand);
            mCommandAdded = false;
        } else
        if(!mCommandAdded && focused && mCommand != null)
        {
            ScreenEngine.getInstance().getCanvas().addCommand(mCommand);
            mCommandAdded = true;
        }
    }

    public void setCommand(Command command)
    {
        if(mCommandAdded)
        {
            ScreenEngine.getInstance().getCanvas().removeCommand(mCommand);
            mCommandAdded = false;
        }
        mCommand = command;
        if(mFocused)
        {
            ScreenEngine.getInstance().getCanvas().addCommand(mCommand);
            mCommandAdded = true;
        }
    }

    private int itemHeight;
    private int itemWidth;
    private Group mBackground;
    private Command mCommand;
    private boolean mCommandAdded;
    private boolean mFocused;
    public static final int X_MARGIN = 40;
    public static final int Y_MARGIN = 12;
}