beanlayoutmanager.java

openmap java写的开源数字地图程序. 用applet实现,可以像google map 那样放大缩小地图.

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package com.bbn.openmap.tools.beanbox;

/**
 * A BeanLayoutManager is a bean that manages the layout of a
 * BeanContainer.
 */
public abstract class BeanLayoutManager implements java.io.Serializable {
    /**
     * BeanContainer whose contents are layed out using this layout
     * manager.
     */
    protected BeanContainer _container;

    /** default constructor needed for beanification. */
    public BeanLayoutManager() {}

    /**
     * Called by the container to layout its contents. Default method
     * does nothing.
     */
    public abstract void layoutContainer();

    /** sets the container. */
    public void setContainer(BeanContainer c) {
        _container = c;
    }

    /** Gets the container associated with this layout manager. */
    public BeanContainer getContainer() {
        return _container;
    }

}