absoluteconstraints.java

用Java写的面相对象的数据库管理系统

//from the NetBeans redist directory
//$Id: AbsoluteConstraints.java,v 1.2 2000/10/28 16:55:18 daniela Exp $

package org.ozoneDB.core;

import java.awt.*;


/**
 * An object that encapsulates position and (optionally) size for
 * Absolute positioning of components.
 * 
 * 
 * @see AbsoluteLayout
 * @version 1.01, Aug 19, 1998 ($Revision: 1.2 $)
 * @author  Ian Formanek (modified softwarebuero m&b)
 */
public class AbsoluteConstraints implements java.io.Serializable {
    
    /** Werte fuer GUI-einstellung*/
    final static int MOTIF = 0;
    final static int WIN = 1;
    /** aktuelle GUI-einstellung*/
    static int GUI = MOTIF;
    
    /** generated Serialized Version UID */
    final static long serialVersionUID = 5261460716622152494L;
    
    /** The X position of the component */
    public int x;
    /** The Y position of the component */
    public int y;
    /** The width of the component or -1 if the component's preferred width should be used */
    public int width = -1;
    /** The height of the component or -1 if the component's preferred height should be used */
    public int height = -1;
    
    /** Groesse und position sind fest */
    final static int FIXED = 0;
    /**  */
    final static int X_ABS = 1;
    final static int X_PROP = 2;
    final static int Y_ABS = 4;
    final static int Y_PROP = 8;
    final static int X2_ABS = 16;
    final static int X2_PROP = 32;
    final static int Y2_ABS = 64;
    final static int Y2_PROP = 128;
    /** Position wird proportional/fest der groesse des containers angepasst */
    final static int MOVE_PROP = X_PROP | Y_PROP;
    final static int MOVE_ABS = X_ABS | Y_ABS;
    /** Groesse wird proportional/fest der groesse des containers angepasst */
    final static int RESIZE_PROP = X2_PROP | Y2_PROP;
    final static int RESIZE_ABS = X2_ABS | Y2_ABS;
    /** */
    public int policy = FIXED;
    
    
    /**
     * Creates a new AbsoluteConstraints for specified position.
     * @param pos The position to be represented by this AbsoluteConstraints
     */
    public AbsoluteConstraints( Point pos ) {
        this( pos.x, pos.y );
    }
    
    
    /**
     * Creates a new AbsoluteConstraints for specified position.
     * @param x The X position to be represented by this AbsoluteConstraints
     * @param y The Y position to be represented by this AbsoluteConstraints
     */
    public AbsoluteConstraints( int x, int y ) {
        this.x = x;
        this.y = y;
    }
    
    
    /**
     * Creates a new AbsoluteConstraints for specified position and size.
     * @param pos  The position to be represented by this AbsoluteConstraints
     * @param size The size to be represented by this AbsoluteConstraints or null
     *             if the component's preferred size should be used
     */
    public AbsoluteConstraints( Point pos, Dimension size ) {
        this.x = pos.x;
        this.y = pos.y;
        if (size != null) {
            this.width = size.width;
            this.height = size.height;
        } 
    }
    
    
    /**
     * Creates a new AbsoluteConstraints for specified position and size.
     * @param x      The X position to be represented by this AbsoluteConstraints
     * @param y      The Y position to be represented by this AbsoluteConstraints
     * @param width  The width to be represented by this AbsoluteConstraints or -1 if the
     *               component's preferred width should be used
     * @param height The height to be represented by this AbsoluteConstraints or -1 if the
     *               component's preferred height should be used
     */
    public AbsoluteConstraints( int x, int y, int width, int height ) {
        this.x = x;
        this.y = y;
        this.width = width;
        this.height = height;
    }
    
    
    /** */
    public AbsoluteConstraints( int x, int y, int width, int height, int policy ) {
        this.x = x;
        this.y = y;
        this.width = width;
        this.height = height;
        this.policy = policy;
    }
    
    
    /** @return The X position represented by this AbsoluteConstraints */
    public int getX() {
        return x;
    } 
    
    
    /** @return The Y position represented by this AbsoluteConstraints */
    public int getY() {
        return y;
    } 
    
    
    /**
     * @return The width represented by this AbsoluteConstraints or -1 if the
     * component's preferred width should be used
     */
    public int getWidth() {
        return GUI == MOTIF || width == -1 ? width : width - 3;
    } 
    
    
    /**
     * @return The height represented by this AbsoluteConstraints or -1 if the
     * component's preferred height should be used
     */
    public int getHeight() {
        return GUI == MOTIF || height == -1 ? height : height - 5;
    } 
    
    
    public String toString() {
        return super.toString() + " [x=" + x + ", y=" + y + ", width=" + width + ", height=" + height + "]";
    } 
}