graphicalobject.java

JAVA 数学程序库 提供常规的数值计算程序包

package jmathlib.core.graphics;

import java.awt.*;
import jmathlib.core.graphics.properties.*;

/** implementation of a line object*/
public abstract class GraphicalObject extends HandleObject
{  

	/** common properties to all objects*/
    public RadioProperty BusyActionP = new RadioProperty(this, "BusyAction", new String[] {"cancel", "queue"},"cancel");

    public StringProperty ButtonDownFcnP = new StringProperty(this, "ButtonDownFcn", "");
    public HandleObjectListProperty ChildrenP = new HandleObjectListProperty(this, "Children", -1);
    public BooleanProperty ClippingP = new BooleanProperty(this, "Clipping", true);
    // public CurrentFigureP
    public BooleanProperty DiaryP = new BooleanProperty(this, "Diary", true);
    public StringProperty  DiaryFileP = new StringProperty(this, "DiaryFile", "");
    public BooleanProperty EchoP = new BooleanProperty(this, "Echo", true);
    public StringProperty  ErrorMessageP     = new StringProperty(this, "ErrorMessage", "");
    public RadioProperty   FormatSpacingP    = new RadioProperty(this, "FormatSpacing", new String[] {"compact", "loose"},"compact");
    public BooleanProperty HandleVisibilityP = new BooleanProperty(this, "HandleVisibility", true);
    public BooleanProperty HitTestP          = new BooleanProperty(this, "HitTest", true);
    public BooleanProperty InterruptibleP    = new BooleanProperty(this, "Interruptible", true);
    public StringProperty  LanguageP         = new StringProperty(this, "Language", "");
    // public ParentP
    public BooleanProperty SelectedP           = new BooleanProperty(this, "Selected", true);
    public BooleanProperty SelectionHighlightP = new BooleanProperty(this, "SelectionHighlight", true);
    public BooleanProperty ShowHiddenHandlesP  = new BooleanProperty(this, "ShowHiddenHandles", false);
    public StringProperty  TagP                = new StringProperty(this, "Tag", "");
    public TypeProperty TypeP = new TypeProperty(this, "root");
    // private UserDataP
    public BooleanProperty VisibileP = new BooleanProperty(this, "Visible", true);
	

    /** parent axes */
	//HandleObjectListProperty Parent = new HandleObjectListProperty(this, "Parent",     1);
    protected GraphicalObject parent = null;
    
	/** Origin of curves */
    public int xOrig;
    public int yOrig;
    public int zOrig;

	/* Size of area to plot */
    public int width;
    public int height;

	/* boundary values */
	protected double xmin;
	protected double xmax;
	protected double ymin;
	protected double ymax;
	protected double zmin;
	protected double zmax;

	/* axes boundaries */
	public double ax_xmin;
	public double ax_xmax;
	public double ax_ymin;
	public double ax_ymax;
	public double ax_zmin;
	public double ax_zmax;

	public Matrix3D mat  = new Matrix3D();		//?

	public GraphicalObject()
	{

	}

	public double getXMin()
	{
		return xmin;
	}

	public double getXMax()
	{
		return xmax;
	}

	public double getYMin()
	{
		return ymin;
	}

	public double getYMax()
	{
		return ymax;
	}

	public double getZMin()
	{
		return zmin;
	}

	public double getZMax()
	{
		return zmax;
	}

	/** Sets the area on the screen in which the line must be plotted */
	public void setPlotArea(int _xOrig, int _yOrig, int _width, int _height)
	{
		xOrig  = _xOrig;
		yOrig  = _yOrig;
		width  = _width;
		height = _height;
	}

	/** Sets the boundaries for the physical values of the line, this is used
	  for graphs with multiple line */ 
	public void setAxesBoundaries(double _xmin, double _xmax, double _ymin, double _ymax, double _zmin, double _zmax)
	{
		ax_xmin = _xmin;
		ax_xmax = _xmax;
		ax_ymin = _ymin;
		ax_ymax = _ymax;
		ax_zmin = _zmin;
		ax_zmax = _zmax;
	}
	
	public void setAxesBoundaries(double _xmin, double _xmax, double _ymin, double _ymax)
	{
		setAxesBoundaries(_xmin, _xmax, _ymin, _ymax, -0.5, 0.5);
	}

	public void paint(Graphics g)
	{
	    jmathlib.core.interpreter.Errors.throwMathLibException("GraphicalObject: paint");
	}

    public void repaint()
    {
        jmathlib.core.interpreter.Errors.throwMathLibException("GraphicalObject: repaint");
    }

    // register a parent, so that the children can call methods of their parent
	public void setParent(GraphicalObject parent)
	{
		//Parent.addElement(parent);
	    this.parent = parent;
    }
}