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DynamicJasper (DJ) is an API that hides the complexity of Jasper Reports, it helps developers to save time when designing simple/medium complexity reports generating the layout of the report elements automatically. It creates reports dynamically, defining at runtime the columns, column width (auto width), groups, variables, fonts, charts, crosstabs, sub reports (that can also be dynamic), page size and everything else that you can define at design time. DJ keeps full compatibility with Jasper Reports since it's a tool that helps create reports programmatically in a easy way (it only interferes with the creation of the report design doing the layout of the elements). You can use the classic .jrxml files as templates while the content and layout of the report elements are handled by the DJ API. http://dynamicjasper.com

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/*
 * DynamicJasper: A library for creating reports dynamically by specifying
 * columns, groups, styles, etc. at runtime. It also saves a lot of development
 * time in many cases! (http://sourceforge.net/projects/dynamicjasper)
 *
 * Copyright (C) 2008  FDV Solutions (http://www.fdvsolutions.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 *
 * License as published by the Free Software Foundation; either
 *
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 *
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 *
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 *
 */

package ar.com.fdvs.dj.domain;

import ar.com.fdvs.dj.domain.entities.Entity;
import ar.com.fdvs.dj.domain.entities.conditionalStyle.ConditionalStyle;
import ar.com.fdvs.dj.util.ExpressionUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;


public class DJCrosstabMeasure extends DJBaseElement {
	/**
	 * Logger for this class
	 */
	private static final Log logger = LogFactory.getLog(DJCrosstabMeasure.class);

	/**
	 * Logger for this class
	 */

	private static final long serialVersionUID = Entity.SERIAL_VERSION_UID;
	
	private ColumnProperty property;
	private DJCalculation operation;
	private String title;
	private List conditionalStyles = new ArrayList();
	private DJValueFormatter valueFormatter;
	private DJCRosstabMeasurePrecalculatedTotalProvider precalculatedTotalProvider;
	private Boolean isPercentage = Boolean.FALSE;
	private Boolean visible = Boolean.TRUE;

	private Style style;
	
	private DJHyperLink link;

	public Style getStyle() {
		return style;
	}

	public void setStyle(Style style) {
		this.style = style;
	}

	public List getConditionalStyles() {
		return conditionalStyles;
	}

	public void setConditionalStyles(List conditionalStyles) {
		this.conditionalStyles = conditionalStyles;
	}
	
	public DJCrosstabMeasure(String propertyName, String className, DJCalculation operation, String title) {
		super();
		this.property = new ColumnProperty(propertyName, className);
		this.operation = operation;
		this.title = title;
	}

	public DJCrosstabMeasure(ColumnProperty measure, DJCalculation operation, String title) {
		super();
		this.property = measure;
		this.operation = operation;
		this.title = title;
	}

	public DJCrosstabMeasure() {
		super();
	}

	public ColumnProperty getProperty() {
		return property;
	}
	public void setProperty(ColumnProperty measure) {
		this.property = measure;
	}
	public DJCalculation getOperation() {
		return operation;
	}
	public void setOperation(DJCalculation operation) {
		this.operation = operation;
	}
	public String getTitle() {
		return title;
	}
	public void setTitle(String title) {
		this.title = title;
	}

	public DJHyperLink getLink() {
		return link;
	}

	public void setLink(DJHyperLink link) {
		this.link = link;
	}

	public DJValueFormatter getValueFormatter() {
		return valueFormatter;
	}

	public void setValueFormatter(DJValueFormatter valueFormatter) {
		this.valueFormatter = valueFormatter;
	}

	public String getTextForValueFormatterExpression(String variableName, List measures) {
       String stringExpression;
        String fieldsMap = ExpressionUtils.getTextForFieldsFromScriptlet();
        String parametersMap = ExpressionUtils.getTextForParametersFromScriptlet();
        String variablesMap = ExpressionUtils.getTextForVariablesFromScriptlet();
        if (this.getValueFormatter() instanceof DjBaseMMValueFormatter){

            DjBaseMMValueFormatter formatter = DjBaseMMValueFormatter.class.cast(this.getValueFormatter());
            String[] propertyMeasures = new String[measures.size()];

            int i = 0;
            for (DJCrosstabMeasure measure : measures) {
                propertyMeasures[i] = measure.getProperty().getProperty();
                i++;
            }

            formatter.setPropertyMeasures(propertyMeasures);

            String rowValuesExp = "new Object[]{";
            int measureIdx=0;
            for (Iterator iterator = measures.iterator(); iterator.hasNext(); measureIdx++) {
                DJCrosstabMeasure djmeasure = (DJCrosstabMeasure) iterator.next();

                if (djmeasure.getProperty()== null){
                    continue;
                }

                rowValuesExp += "$V{" +djmeasure.getMeasureIdentifier(measureIdx) +"}";
                rowValuesExp += ", ";
            }

            //chop the last comma
            rowValuesExp = rowValuesExp.substring(0,rowValuesExp.length()-2);
            rowValuesExp += "}";
            stringExpression = "((("+DjBaseMMValueFormatter.class.getName()+")$P{crosstab-measure__"+variableName+"_vf}).evaluate( "
                        + rowValuesExp + ", " + fieldsMap +", " + variablesMap + ", " + parametersMap +" ))";
       }
        else {

             stringExpression = "((("+DJValueFormatter.class.getName()+")$P{crosstab-measure__"+variableName+"_vf}).evaluate( "
                    + "$V{"+variableName+"}, " + fieldsMap +", " + variablesMap + ", " + parametersMap +" ))";
        }

        logger.debug("Expression for crosstab DJValueFormatter = " + stringExpression);

		return stringExpression;
	}

    public String getMeasureIdentifier(int idx) {
        String measurePrefix = this.getMeasurePrefix(idx);
		return measurePrefix + this.getProperty().getProperty();
    }

    public String getMeasurePrefix(int idx) {
        return "idx" + idx + "_";
    }

	public DJCRosstabMeasurePrecalculatedTotalProvider getPrecalculatedTotalProvider() {
		return precalculatedTotalProvider;
	}

	public void setPrecalculatedTotalProvider(
			DJCRosstabMeasurePrecalculatedTotalProvider precalculatedTotalProvider) {
		this.precalculatedTotalProvider = precalculatedTotalProvider;
	}

	public Boolean getIsPercentage() {
		return isPercentage;
	}

	public void setIsPercentage(Boolean isPercentage) {
		this.isPercentage = isPercentage;
	}


    public Boolean getVisible() {
        return visible;
    }

    public void setVisible(Boolean visible) {
        this.visible = visible;
    }
}