stockpane.java

用于串口通讯测试的工具软件。完全使用java语言编写。

	static Path createPath(Element e)
	{
		if (e == null)
		{
			return null;
		}
		Element txtChild = e.getChild(Element.TAG_TEXT);
		String samplePoints;
		if (txtChild == null)
		{
			samplePoints = "";
		}
		else
		{
			samplePoints = txtChild.getTagValue();
		}
		StringTokenizer sampleToken = new StringTokenizer(samplePoints, ";");
		Point[] pts;
		Integer count = IntegerValue(e.getAttributeValue("count"));
		if (count != null)
		{
			pts = new Point[count.intValue()];
			fillPointBySpace(pts, sampleToken
								, floatArray(e.getAttributeValue("spaceX"))
								, floatArray(e.getAttributeValue("spaceY")));
		}
		else
		{
			pts = new Point[sampleToken.countTokens()];
			fillPointBySpace(pts, sampleToken, null, null);
		}

		return new Path(pts);
	}

	static void fillPointBySpace(Point[] pts, StringTokenizer initialPoints, float[] spaceX, float[] spaceY)
	{
		double lastX = 0, lastY = 0;
		int i;
		for ( i = 0; initialPoints.hasMoreTokens() && i < pts.length; i++ )
		{
			pts[i] = pointValue(initialPoints.nextToken(), null);
			lastX = pts[i].getX();
			lastY = pts[i].getY();
		}
		if (pts.length == i)
		{
			return ;
		}
		int start = i;
		for ( ; i < pts.length; i++ )
		{
			if (spaceX != null && spaceX.length > 0)
			{
				lastX += spaceX[(i - start)%spaceX.length];
			}
			if (spaceY != null && spaceY.length > 0)
			{
				lastY += spaceY[(i - start)%spaceY.length];
			}
			pts[i] = new Point((int)lastX, (int)lastY);
		}
	}

	public static Integer IntegerValue(String v)
	{
		if (v != null)
		{
			v = v.trim();
		}
		return v != null && v.length() > 0?Integer.decode(v):null;
	}

	public static java.awt.Dimension sizeValue(String v)
	{
		if (v == null)
		{
			return null;
		}

		Point p = pointValue(v, new Point());

		return new Dimension(p.x, p.y);
	}


	public static java.awt.Point pointValue(String v, java.awt.Point p)
	{
		if (v == null)
		{
			return null;
		}
		if (p == null)
		{
			p = new Point();
		}
		int last;
		int cntNumber = 0;
		char c;
		int i;
		for (i = 0, last = -1; i <= v.length(); i++)
		{
			c = i < v.length()?v.charAt(i):0;
			if ((c < '0' || c > '9' ) && c != '-')
			{
				if (i > (last + 1))
				{
					int No = Integer.decode(v.substring(last + 1, i)).intValue();
					if (cntNumber == 0)
					{
						p.x = No;
					}
					else
					{
						p.y = No;
						break;
					}
					cntNumber ++;
				}
				last  = i;
			}
		}
		return p;
	}

	/**
	 * 将以","分开的数值序列字符串转换成数组
	 * @param arrayStr 以","分开的数值序列
	 * @return 如果arrayStr == null，则返回null
	 */
	public static float[] floatArray(String arrayStr)
	{
		float[] array;
		if (arrayStr == null)
		{
			array = null;
		}
		else
		{
			StringTokenizer st = new StringTokenizer(arrayStr, ", ");
			array = new float[st.countTokens()];
			for ( int i = 0; st.hasMoreTokens(); i++ )
			{
				array[i] = Float.parseFloat(st.nextToken());
			}
		}
		return array;
	}

	public void setBackgroundImage(Image im)
	{
		Image old = this.backgroundImage;
		this.backgroundImage = im;

		Dimension prefSize = this.getPreferredSize();
		if (im != old
			 && (prefSize == null || prefSize.width < 50 || prefSize.height <= 50))
		{
			this.setPreferredSize(new Dimension(im.getWidth(this), im.getHeight(this)));
		}
	}

	/** 重写超类方法，使得背景可以绘制图片
	  *
	  * @param g
	  */
	protected void paintComponent(Graphics g)
	{
		Image im = this.backgroundImage;
		if (im != null)
		{
			if ( g.hitClip(0, 0, getWidth(), getHeight()) )
			{
				Rectangle clip = g.getClipBounds();
				clip = clip.intersection(new Rectangle(0, 0, im.getWidth(this), im.getHeight(this)));
				g.drawImage(im, clip.x, clip.y, clip.x + clip.width, clip.y + clip.height
							, clip.x, clip.y, clip.x + clip.width, clip.y + clip.height, this);
			}
		}
		super.paintComponent(g);
	}

	//仅作测试用
	public String getToolTipText(MouseEvent e)
	{
		String txt = super.getToolTipText(e);
		if (txt == null && debug)
		{
			txt = e.getX() + ", " + e.getY();
		}
		return txt;
	}

//	/**
//	 * 测试
//	 * @param args
//	 */
//	public static void main(String[] args)
//	{
//		try
//		{
//			Container contentPane = new JPanel();
//			contentPane.setLayout(new BoxLayout(contentPane, BoxLayout.Y_AXIS));
//			StockPane sp = new StockPane();
//			ArrayList stackerMakers = new ArrayList(1);
//			DeviceMaker[] devices =
//					sp.configureFromElement(RootElementGenerator.fromXml(
//															new java.io.File("E:\\commAPI\\defaultRoot\\立体仓库配置.xml"))
//													, stackerMakers);
//			ShapePane faceViewPane = new ShapePane();
//			int x = 0;
//			int h = 0;
//			for (int i = 0; i < stackerMakers.size(); i++)
//			{
//				StackerMaker sm = (StackerMaker)stackerMakers.get(i);
//				StackerMaker faceMaker = new StackerMaker();
//				faceMaker.setDevice(sm.getDevice());
//				faceMaker.setUnderPlatView(false);
//				faceMaker.setVerticalPath(sm.getVerticalPath());
//				faceMaker.setHorizonalPath(faceMaker.getHorizonalPath());
//				faceMaker.setForwardIcon(sm.getForwardIcon());
//				faceMaker.setBackwardIcon(sm.getBackwardIcon());
//				faceMaker.setDownwardIcon(sm.getDownwardIcon());
//				faceMaker.setUpwardIcon(sm.getUpwardIcon());
//				faceMaker.setFaceViewContainer(sm.getFaceViewContainer());
//				faceMaker.setFaceViewImageURL(sm.getFaceViewImageURL());
//				faceMaker.setLiftImageURL(sm.getLiftImageURL());
//				faceMaker.setLiftMaker(sm.getLiftMaker());
//				faceMaker.setReversePaintLine(sm.getReversePaintLine());
//				faceMaker.setXTranslatable(sm.isXTranslatable());
//				x += 30;
//				faceMaker.setLocation(x, 0);
//
//				Rectangle r = faceMaker.getRange();
//				x += r.width;
//				h = Math.max(h, r.height);
//
//				faceViewPane.addShapeMaker(faceMaker);
//			}
//			faceViewPane.setPreferredSize(new Dimension(x + 30, h + 10));
//
//			JFrame frame = new JFrame("StockPane class test");
//			contentPane.add(new JScrollPane(sp));
//			contentPane.add(faceViewPane);
//			frame.setContentPane(contentPane);
//			frame.pack();
//			frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//			frame.show();
//		}
//		catch (Exception ex)
//		{
//			ex.printStackTrace();
//		}
//	}


	static Image getCachedImage(String name)
	{
		java.net.URL url = getImageURL(name);
//		System.out.println("image " + name + "'URL is " + url);
		if (url != null)
		{
			Image im = ImageMaker.getCachedImage(url);
		}

		return null;
	}

	static java.net.URL getImageURL(String name)
	{
		if (name != null)
		{
			return StockPane.class.getResource("/images/" + name + (name.indexOf('.') == -1?".jpg":""));
		}
		return null;
	}


	public void setDebug(boolean debug)
	{
		this.debug = debug;
//		this.setMouseMotionEnabled(debug);
	}


	public boolean isDebug()
	{
		return debug;
	}

}