zdocument.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
 */
/*
 * put your module comment here
 * formatted with JxBeauty (c) [e-mail]
 */
package ezcell;

import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Shape;
import java.awt.print.PageFormat;
import java.awt.print.Pageable;
import java.awt.print.Printable;
import java.util.ArrayList;
import java.util.Vector;
import javax.swing.JComponent;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;


/**
 * put your documentation comment here
 */
class ZDocument implements Pageable {
    static final int PAGE_HEADER = 0;
    static final int PAGE_BODY = 1;
    static final int PAGE_FOOTER = 2;
    static final int NONE = 3;
    static ZDefaultUI ui;
    private ZBook book;
    private ArrayList pages = new ArrayList();
    private ZPrintableCells header;
    private ZPrintableCells footer;
    private ZSheetState headerModal;
    private ZSheetCanvas headerCanvas;
    private ZSheetState bodyModal;
    private ZSheetCanvas bodyCanvas;
    private ZSheetCanvas footerCanvas;
    private ZSheetState footerModal;
    private ZSheetStateControl control;
    private ZSheetState editingModel;
    float scale = 1.0f;
    private Vector listeners = new Vector(); // for scale ,margin ,format changed notify it;

    /**
     * put your documentation comment here
     * @param     ZBook book
     */
    public ZDocument(ZBook book) {
        this.book = book;
        this.book.addListener(new ZBookAdapter() {
            /**
             * put your documentation comment here
             * @param e
             */
            public void pageFormatChanged(ChangeEvent e) {
                updateFormat();
            }
            ;
        });

        ZSheet pe = null;


        // prepare ui
        // header
        ui = (ZDefaultUI) ZUIManager.getDefault().clone();
        ui.put(ZDefaultUI.LEFT_HEAD_VISIBLE, new Boolean(false));
        ui.put(ZDefaultUI.TOP_HEAD_VISIBLE, new Boolean(false));
        ui.put(ZDefaultUI.GRID_X_VISIBLE, new Boolean(false));
        ui.put(ZDefaultUI.GRID_Y_VISIBLE, new Boolean(false));
        ui.put(ZDefaultUI.SELECTION_VISIBLE, new Boolean(false));

        ZSheetStateListener lst = new ZSheetStateAdapter() {
            /**
             * put your documentation comment here
             * @param modal
             */
            public void uiStateChanged(ZSheetState modal) {
                if (scale != modal.getScale()) {
                    setScale(modal.getScale());
                }
            }
        };

        if ((pe = book.getHeader()) != null) {
            headerModal = new ZPrintSheetState(pe);
            headerModal.setUI(ui);
            headerModal.addListener(lst);
            headerCanvas = new ZSheetCanvas(headerModal);
            headerCanvas.setPainter(new ZDefaultSheetPainter(ui), new ZDefaultHeadCellPainter(ui), new ZDefaultCellPainter(ui),
                                    new ZDefaultSelectionPainter(ui));
        }

        if ((pe = book.getFooter()) != null) {
            footerModal = new ZPrintSheetState(pe);
            footerModal.setUI(ui);
            footerModal.addListener(lst);
            footerCanvas = new ZSheetCanvas(footerModal);
            footerCanvas.setPainter(new ZDefaultSheetPainter(ui), new ZDefaultHeadCellPainter(ui), new ZDefaultCellPainter(ui),
                                    new ZDefaultSelectionPainter(ui));
        }

        if ((pe = book.getSheet(0)) != null) {
            bodyModal = new ZPrintSheetState(pe);
            bodyModal.setUI(ui);
            bodyModal.addListener(lst);
            bodyCanvas = new ZSheetCanvas(bodyModal);
            bodyCanvas.setPainter(new ZDefaultSheetPainter(ui), new ZDefaultHeadCellPainter(ui), new ZDefaultCellPainter(ui),
                                     new ZDefaultSelectionPainter(ui));
        }

        setScale(scale);
    }

    /**
     * put your documentation comment here
     * @return
     */
    public ZRect getBodyArea() {
        ZRect imageable = getImageArea();
        imageable.top += book.getHeaderHeight();
        imageable.bottom -= book.getFooterHeight();

        return imageable;
    }

    /**
     * put your documentation comment here
     * @param modal
     * @param editable
     */
    public void setEditable(ZSheetState modal, boolean editable) {
        ui.put(ZDefaultUI.SELECTION_VISIBLE, new Boolean(editable));
        ui.put(ZDefaultUI.GRID_X_VISIBLE, new Boolean(editable));
        ui.put(ZDefaultUI.GRID_Y_VISIBLE, new Boolean(editable));

        if (editable) {
            editingModel = modal;
        }

        modal.setUI(ui);
    }

    /**
     * put your documentation comment here
     * @return
     */
    public ZPrintableCells getFooter() {
        return footer;
    }

    /**
     * put your documentation comment here
     * @return
     */
    public ZRect getFooterArea() {
        ZRect footerArea = getImageArea();
        footerArea.top = footerArea.bottom - book.getFooterHeight();

        return footerArea;
    }

    /**
     * put your documentation comment here
     * @param h
     */
    public void setFooterHeight(int h) {
        book.setFooterHeight(h);
    }

    /**
     * put your documentation comment here
     * @return
     */
    public int getFooterHeight() {
        return book.getFooterHeight();
    }

    /**
     * put your documentation comment here
     * @return
     */
    public ZSheetState getFooterModal() {
        return footerModal;
    }

    /**
     * put your documentation comment here
     * @return
     */
    public ZPrintableCells getHeader() {
        return header;
    }

    /**
     * put your documentation comment here
     * @return
     */
    public ZRect getHeaderArea() {
        ZRect headerArea = getImageArea();
        headerArea.bottom = headerArea.top + book.getHeaderHeight();

        return headerArea;
    }

    /**
     * put your documentation comment here
     * @param h
     */
    public void setHeaderHeight(int h) {
        book.setHeaderHeight(h);
    }

    /**
     * put your documentation comment here
     * @return
     */
    public int getHeaderHeight() {
        return book.getHeaderHeight();
    }

    /**
     * put your documentation comment here
     * @return
     */
    public ZSheetState getHeaderModal() {
        return headerModal;
    }

    /**
     * put your documentation comment here
     * @return
     */
    public ZRect getImageArea() {
        PageFormat pf = book.getPageFormat();

        return new ZRect((int) pf.getImageableX(), (int) pf.getImageableY(),
                         (int) (pf.getImageableX() + pf.getImageableWidth()),
                         (int) (pf.getImageableY() + pf.getImageableHeight()));
    }

    /**
     *
     * @return
     */
    public int getNumberOfPages() {
        return pages.size();
    }

    /**
     * put your documentation comment here
     * @param index
     * @return
     */
    public ZPage getPage(int index) {
        if ((index >= 0) && (index < pages.size())) {
            return (ZPage) pages.get(index);
        } else {
            return null;
        }
    }

    /**
     * put your documentation comment here
     * @return
     */
    public int getPageCount() {
        return pages.size();
    }

    /**
     * put your documentation comment here
     * @param pf
     */
    public void setPageFormat(PageFormat pf) {
        book.setPageFormat(pf);
    }

    /**
     * put your documentation comment here
     * @return
     */
    public PageFormat getPageFormat() {
        return book.getPageFormat();
    }

    /**
     * put your documentation comment here
     * @param index
     * @return
     * @exception IndexOutOfBoundsException
     */
    public PageFormat getPageFormat(int index) throws IndexOutOfBoundsException {
        return book.getPageFormat();
    }

    /**
     * put your documentation comment here