zdefaultsheetpainter.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.Graphics2D;


/**
 * DOCUMENT ME!
 *
 * @version 1.00
 * @author W.John
 */
class ZDefaultSheetPainter implements ZSheetPainter {
    private static int cookie;
    private ZDefaultCell defaultHeadCell;
    private ZDefaultCell defaultCommCell;

    public ZDefaultSheetPainter(ZDefaultUI ui) {
        updateUI(ui);
    }

    /**
     *
     * @param g2
     * @param cells
     * @param canvas
     */
    public void paintSection(Graphics2D g2, ZRect cells, ZSheetCanvas canvas) {
        for (int ri = cells.top; ri <= cells.bottom; ++ri)
            for (int ci = cells.left; ci <= cells.right; ++ci) {
                ZCell cell = canvas.getSheet().getCell(ri, ci);

                try {
                    ZRect loc = canvas.getCellRect(cell);

                    if ((loc.getWidth() > 0) && (loc.getHeight() > 0)) {
                        canvas.paintCell(g2, loc, cell);
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
    }

    /**
     *
     * @param ui
     */
    public void updateUI(ZDefaultUI ui) {
        defaultHeadCell = (ZDefaultCell) ui.get(ZDefaultUI.DEFAULT_HEAD_CELL);
        defaultCommCell = (ZDefaultCell) ui.get(ZDefaultUI.DEFAULT_COMM_CELL);
    }
}