report.java

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/*
 * Report.java
 *
 *  iReport  --  Visual designer for generating JasperReports Documents
 *  Copyright (C) 2002  Giulio Toffoli [e-mail]
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  Giulio Toffoli
 *  Via T.Aspetti, 233
 *  35100 Padova ITALY
 *  [e-mail]
 *
 * Created on 10 febbraio 2003, 19.32
 */

package it.businesslogic.ireport;

import java.util.*;
import it.businesslogic.ireport.util.*;

import dori.jasper.engine.*;

import org.apache.xerces.parsers.DOMParser;
import org.w3c.dom.*;
import org.xml.sax.SAXException;
import java.io.IOException;
import org.syntax.jedit.*;


/**
 *
 * @author  Administrator
 */
public class Report {
	
	public static int SCRIPTLET_IREPORT_INTERNAL_HANDLING = 1;
	public static int SCRIPTLET_NOT_USED = 0;
	public static int SCRIPTLET_CLASSIC_HANDLING = 2;
	
	private IReportFont defaultFont = new IReportFont();
	
	private boolean modified;

	private boolean readOnly;
	
	private int height;
	
	private int width;
	
	private String name;
	
	private Vector elements;
	
	private Vector bands;
	
	private Vector groups;
	
	private String filename;
	
	private String query;
	
	private String encoding;
	
	private int columnCount;
	
	private String printOrder;
	
	private String orientation;
	
	private String whenNoDataType;
	
	private int columnWidth;
	
	private int columnSpacing;
	
	private int leftMargin;
	
	private int rightMargin;
	
	private int topMargin;
	
	private int bottomMargin;
	
	private boolean isTitleNewPage;
	
	private boolean isSummaryNewPage;
	
	private String scriptletClass;
	
	private long loadTime;
	
	private Vector fields;
	
	private Vector parameters;
	
	private Vector variables;
	
	private Vector fonts;
	
	private it.businesslogic.ireport.gui.JReportFrame reportFrame;
	
	private String reportFormat;
	
	static int untitledId = 1;
	
	private int dirty = 1;
	
	private IReportKeywordLookup keywordLookup;
	
	/** used to tell the report when outputting to XML that it needs to set isCode="true" in expressions */
	protected boolean usingMultiLineExpressions = false;
	
	private java.util.Vector JRproperties;
	
	private ScriptletCode scripletCode;
	
	private int scriptletHandling = 2;
	
	/** Creates a new instance of Report */
	public Report() {
		
		modified = true;
		readOnly = false;
		height = 0;
		width  = 0;
		name = "";
		elements = new Vector();
		bands = new Vector();
		groups = new Vector();
		JRproperties = new Vector();
		filename  = "";
		query = "";
		encoding = "UTF-8";
		columnCount = 1;
		printOrder = "Vertical";
		orientation = "Portrait";
		whenNoDataType = "NoPages";
		columnWidth = 535;
		columnSpacing = 0;
		leftMargin = 20;
		rightMargin = 20;
		topMargin = 30;
		bottomMargin = 30;
		isTitleNewPage = false;
		isSummaryNewPage = false;
		scriptletClass = "";
		loadTime = 0;
		fields = new Vector();
		parameters =  new Vector();
		variables = new Vector();
		fonts = new Vector();
		keywordLookup = new IReportKeywordLookup();
		
		name = "Untitled_report_" + untitledId;
		untitledId++;
		
		// Add basic variables...
		addVariable(new JRVariable("PAGE_NUMBER", true ));
		addVariable(new JRVariable("REPORT_COUNT", true));
		addVariable(new JRVariable("COLUMN_COUNT", true));
		
		Band background = new Band(this,"background",0);
		Band title = new Band(this,"title", 50);
		Band pageHeader = new Band(this,"pageHeader", 50);
		Band columnHeader = new Band(this,"columnHeader",30);
		Band detail = new Band(this,"detail",100);
		Band columnFooter = new Band(this,"columnFooter",30);
		Band pageFooter = new Band(this,"pageFooter",50);
		Band summary = new Band(this,"summary",50);
		
		bands.addElement(background);
		bands.addElement(title);
		bands.addElement(pageHeader);
		bands.addElement(columnHeader);
		bands.addElement(detail);
		bands.addElement(columnFooter);
		bands.addElement(pageFooter);
		bands.addElement(summary);
		loadTime = 0;
		
		try {
			
			scripletCode = new ScriptletCode(ScriptletCode.class.getClassLoader().getResourceAsStream("scriptlet_template.jav"));
			
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}
	
	/** Creates a new instance of Report reading it by a file...*/
	public Report(String xmlFile) {
		this();
		untitledId--;
		
		//reset bands, prevents page height overflow for unused bands
		for(int i = 0; i < bands.size(); i++){
			((Band)bands.elementAt(i)).setHeight(0);
		}
		
		//  Create a Xerces DOM Parser
		//  Parse the Document
		//  and traverse the DOM
		this.setFilename(xmlFile);
		checkReadOnlyFlag();
		
		// set load time...
		this.setLoadTime( Misc.getLastWriteTime( xmlFile ));
		
		try {
			
			if (xmlFile.toLowerCase().endsWith(".jasper")) {
				dori.jasper.engine.JRReport report = dori.jasper.engine.JasperManager.loadReport(xmlFile);
				this.setWidth(report.getPageWidth());
				this.setHeight(report.getPageHeight());
				this.setTopMargin(report.getTopMargin());
				this.setLeftMargin(report.getLeftMargin());
				this.setBottomMargin(report.getBottomMargin());
				this.setRightMargin(report.getRightMargin());
				this.setOrientation( ( (report.getOrientation()==JRReport.ORIENTATION_PORTRAIT) ? "Portrait" : "Landscape"));
				this.setColumnCount( report.getColumnCount() );
				this.setColumnSpacing( report.getColumnSpacing());
				this.setColumnWidth( report.getColumnWidth());
				this.setQuery( ( report.getQuery() != null) ? report.getQuery().getText() : "");
				
				// Read all bands...
				dori.jasper.engine.JRField[] reportFields = report.getFields();
				for (int i=0; reportFields != null && i<reportFields.length; ++i) {
					it.businesslogic.ireport.JRField field = new it.businesslogic.ireport.JRField(  reportFields[i].getName(), reportFields[i].getValueClass().getClass().getName());
					field.setDescription( reportFields[i].getDescription());
					addField(field);
				}
				
			}
			else {
				DOMParser parser = new DOMParser();
				parser.setEntityResolver( new org.xml.sax.EntityResolver() {
					/* Code by Teodor Danciu */
					public org.xml.sax.InputSource resolveEntity(
					String publicId,
					String systemId
					) throws SAXException//, java.io.IOException
					{
						org.xml.sax.InputSource inputSource = null;
						if (systemId != null) {
							String dtd = null;
							
							if (
							systemId.equals("http://jasperreports.sourceforge.net/dtds/jasperreport.dtd") ||
							systemId.equals("http://www.jasperreports.com/dtds/jasperreport.dtd")
							) {
								dtd = "dori/jasper/engine/dtds/jasperreport.dtd";
							}
							else if (
							systemId.equals("http://jasperreports.sourceforge.net/dtds/jasperprint.dtd") ||
							systemId.equals("http://www.jasperreports.com/dtds/jasperprint.dtd")
							) {
								dtd = "dori/jasper/engine/dtds/jasperprint.dtd";
							}
							else {
								return new org.xml.sax.InputSource(systemId);
							}
							
							ClassLoader classLoader = this.getClass().getClassLoader();
							java.net.URL url = null;
							if (classLoader != null) {
								url = classLoader.getResource(dtd);
							}
							if (url == null) {
								classLoader = this.getClass().getClassLoader();
							}
							
							java.io.InputStream is = classLoader.getResourceAsStream(dtd);
							if (is != null) {
								java.io.InputStreamReader isr = new java.io.InputStreamReader(is);
								inputSource = new org.xml.sax.InputSource(isr);
							}
							
						}
						return inputSource;
						
					}
				});
				/* End Code by Teodor Danciu */
				parser.parse( new java.io.File(xmlFile).toURI().toString() );
				Document document = parser.getDocument();
				traverse(document.getDocumentElement());
			}
			
			/* Begin Code by Robert Lamping
                         * 2 July 2004
                         * Now height and width are known and a format can be guessed.
                         * using PageSize.deductPageFormat();
                         */
                        
                        this.setReportFormat( PageSize.deductPageFormat( this.getWidth(), this.getHeight()) );