zdefaultcellpainter.java

用Java写的报表.功能如下: 0.内建网络打印,网络预览功能！ 1.文件操作。包括url 指定的文件。 2.全功能打印支持。包括打印预览。 3.Undo 和 redo。 4.合并单元格。 5.Cel

/*
 * Copyright 2002 EZCell , Inc. All rights reserved.
 * Version  1.0.
 * Author   W.John
 */
package ezcell;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.text.DecimalFormat;


/**
 * DOCUMENT ME!
 *
 * @version 1.00
 * @author W.John
 */
class ZDefaultCellPainter extends ZAbstractCellPainter {
    static DecimalFormat formatter = new DecimalFormat();

    ZDefaultCellPainter(ZDefaultUI ui) {
        super(ui);
    }

    /**
     *
     * @param g2
     * @param cellLoc
     * @param cell
     */
    public void paint(Graphics2D g2, ZRect cellLoc, ZCell cell) {
        if (!isDirtyRect(g2, cellLoc)) {
            return;
        }

        ZDefaultSheet sheet = cell.getSheet();

        // draw background and set text color
        ZFont font;
        ZBrush textBrush;

        {
            ZBrush brush = cell.getBackBrush();
            brush.fill(g2, cellLoc);

            textBrush = cell.getTextBrush();
        }


        // draw border line
        paintBorder(cell, g2, cellLoc);


        //{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{ now draw text
        String str = cell.getText();

        try {
            if (str != null) {

                if (str.indexOf("&") >= 0) {
                    str = ZScriptEngine.getSharedInstance().translate(str);
                } else if (str.charAt(0) == '?') {
                    str = sheet.getValue(cell);
                }
            }
        } catch (Exception ex) {
        }

        if ((str != "") || cell.isHead()) {
            try {
                double d = Double.parseDouble(str);
                String format = cell.getFormat();

                if (format != "") {
                    formatter.applyPattern(format);
                    str = formatter.format(d);
                }
            } catch (Exception e) {
            }

            textBrush.setPaint(g2, cellLoc);
            cellLoc.grow(-2, -2);

            // max size of frame of a cell is 4 ,then should decrease the clip by 4/2;
            Shape saveClip = g2.getClip();
            g2.clipRect(cellLoc.left, cellLoc.top, cellLoc.getWidth(), cellLoc.getHeight());


            paintText(cell, g2, cellLoc, str, cell.getHorzAlign(), cell.getVertAlign(), cell.getFont());
            g2.setClip(saveClip);
            cellLoc.grow(2, 2);
        }
    }

    /**
     * put your documentation comment here
     * @param cell
     * @param g2
     * @param cellLoc
     */
    protected void paintBorder(ZCell cell, Graphics2D g2, ZRect cellLoc) {
        // top border
        Color color = g2.getColor();
        ZPen pen;
        int w;
        pen = ((ZDefaultCell) cell).getTopBorder();

        if ((pen != null) && (pen.getWidth() > 0)) {
       //   System.out.println("ZDefaultCellPainter.paintBorder().top border:"+cell);
            line.setLine(cellLoc.left, cellLoc.top, cellLoc.right, cellLoc.top);
            pen.paint(g2);
            g2.draw(line);
        } else {
            if (gridxVisible) {
                gridxPen.paint(g2);
                line.setLine(cellLoc.right, cellLoc.top, cellLoc.left, cellLoc.top);
                g2.draw(line);
            }
        }

        pen = ((ZDefaultCell) cell).getLeftBorder();
 //       System.out.println("ZDefaultCellPainter.paintBorder() .getleftborder"+cell);

        if ((pen != null) && (pen.getWidth() > 0)) {
//System.out.println("ZDefaultCellPainter.paintBorder().left border:"+cell);
            line.setLine(cellLoc.left, cellLoc.top, cellLoc.left, cellLoc.bottom);
            pen.paint(g2);
            g2.draw(line);
        } else {
            if (gridyVisible) {
                gridyPen.paint(g2);
                line.setLine(cellLoc.left, cellLoc.top, cellLoc.left, cellLoc.bottom);
                g2.draw(line);
            }
        }

        g2.setColor(color);
        paintBottomRightBorder(cell, g2, cellLoc);
    }

    /**
     *
     * @param cell
     * @param g2
     * @param cellLoc
     */
    protected void paintBottomRightBorder(ZCell cell, Graphics2D g2, ZRect cellLoc) {
        ZPen pen;
        int w;
        pen = ((ZDefaultCell) cell).getBottomBorder();

        if (pen != null) {
       //   System.out.println("ZDefaultCellPainter.paintBorder().bottom border:"+cell);

            line.setLine(cellLoc.left, cellLoc.bottom, cellLoc.right, cellLoc.bottom);
            pen.paint(g2);
            g2.draw(line);
        } else {
            if (gridxVisible) {
                gridxPen.paint(g2);
                line.setLine(cellLoc.left, cellLoc.bottom, cellLoc.right, cellLoc.bottom);
                g2.draw(line);
            }
        }

        pen = ((ZDefaultCell) cell).getRightBorder();

        if (pen != null) {
        //    System.out.println("ZDefaultCellPainter.paintBorder().right border:"+cell);
            line.setLine(cellLoc.right, cellLoc.top, cellLoc.right, cellLoc.bottom);
            pen.paint(g2);
            g2.draw(line);
        } else {
            if (gridyVisible) {

                gridyPen.paint(g2);
                line.setLine(cellLoc.right, cellLoc.top, cellLoc.right, cellLoc.bottom);
                g2.draw(line);
            }
        }
    }
}