Java tutorial
/** * Copyright (C) 2008-2010, Squale Project - http://www.squale.org * * This file is part of Squale. * * Squale 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 3 of the * License, or any later version. * * Squale 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 Lesser General Public License * along with Squale. If not, see <http://www.gnu.org/licenses/>. */ package org.squale.squaleweb.util.graph; import java.awt.Color; import javax.servlet.http.HttpServletRequest; import org.jfree.chart.ChartFactory; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.AxisLocation; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.renderer.category.StackedBarRenderer; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.squale.squaleweb.resources.WebMessages; /** */ public class RepartitionBarMaker extends AbstractRepartitionMaker { /** * Hauteur du diagramme par dfaut */ public static final int DEFAULT_HEIGHT = 100; /** * Hauteur du diagramme par dfaut */ public static final int DEFAULT_WIDTH = 800; /** * cl pour le titre du diagramme par dfaut */ private static final String DEFAULT_TITLE_KEY = "repartitionbar.default.title"; /** * cl pour l'axe des abscisses du diagramme par dfaut */ private static final String DEFAULT_XAXIS_LABEL_KEY = "repartitionbar.xaxis.default.label"; // Rien sur l'axe des ordonnes /** * Les valeurs */ private CategoryDataset mDataSet; /** * Constructeur avec les paramtres servant pour le graph cliquable * * @param pProjectId l'id du projet * @param pCurrentAuditId l'id de l'audit * @param pPreviousAuditId l'id de l'audit prcdent * @param pPracticeId l'id de la pratique * @param pFactorParentId l'id du facteur parent */ public RepartitionBarMaker(String pProjectId, String pCurrentAuditId, String pPreviousAuditId, String pPracticeId, String pFactorParentId) { this("", "", "", pProjectId, pCurrentAuditId, pPreviousAuditId, pPracticeId, pFactorParentId); } /** * Constructeur avec les paramtres servant pour le graph cliquable * * @param pRequest la requete pour avoir des cls internationaliss * @param pProjectId l'id du projet * @param pCurrentAuditId l'id de l'audit * @param pPreviousAuditId l'id de l'audit prcdent * @param pPracticeId l'id de la pratique * @param pFactorParentId l'id du facteur parent */ public RepartitionBarMaker(HttpServletRequest pRequest, String pProjectId, String pCurrentAuditId, String pPreviousAuditId, String pPracticeId, String pFactorParentId) { this(WebMessages.getString(pRequest, DEFAULT_TITLE_KEY), WebMessages.getString(pRequest, DEFAULT_XAXIS_LABEL_KEY), "", pProjectId, pCurrentAuditId, pPreviousAuditId, pPracticeId, pFactorParentId); } /** * Constructeur * * @param pTitle le titre * @param pXLabel le label des abscisses * @param pYLabel le label des ordonnes * @param pProjectId l'id du projet * @param pCurrentAuditId l'id de l'audit courant * @param pPreviousAuditId l'id de l'audit prcdent * @param pPracticeId l'id de la pratique * @param pFactorParentId l'id du facteur parent */ public RepartitionBarMaker(String pTitle, String pXLabel, String pYLabel, String pProjectId, String pCurrentAuditId, String pPreviousAuditId, String pPracticeId, String pFactorParentId) { mTitle = pTitle; mXLabel = pXLabel; mYLabel = pYLabel; mDataSet = new DefaultCategoryDataset(); mProjectId = pProjectId; mCurrentAuditId = pCurrentAuditId; mPreviousAuditId = pPreviousAuditId; mPracticeId = pPracticeId; mFactorParentId = pFactorParentId; } /** le renderer du graph */ private StackedBarRenderer mRenderer; /** * @return le diagramme JFreeChart */ public JFreeChart getChart() { JFreeChart retChart = super.getChart(); if (null == retChart) { retChart = ChartFactory.createStackedBarChart(mTitle, mXLabel, mYLabel, mDataSet, PlotOrientation.HORIZONTAL, true, false, true); CategoryPlot plot = retChart.getCategoryPlot(); ValueAxis xAxis = plot.getRangeAxis(); final double LOWER_BOUND = 0; final double UPPER_BOUND = 100; xAxis.setRange(LOWER_BOUND, UPPER_BOUND); plot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT); mRenderer = (StackedBarRenderer) plot.getRenderer(); // Positionne les couleurs el les liens RepartitionBarUrlGenerator generator = new RepartitionBarUrlGenerator(mProjectId, mCurrentAuditId, mPreviousAuditId, mPracticeId, mFactorParentId, NB_SERIES_FOR_INT_GRAPH); mRenderer.setItemURLGenerator(generator); manageColor(NB_SERIES_FOR_INT_GRAPH); retChart.setBackgroundPaint(Color.WHITE); } return retChart; } /** * Affecte les valeurs du camembert (les anciennes valeurs sont effaces. * * @param pValues Map contenant en cl les titres (String) des part du camembert et en valeurs les valeurs (Number) * correspondantes */ public void setValues(double[] pValues) { // Pour convertir en pourcentage int total = 0; for (int i = 0; i <= NB_SERIES_FOR_INT_GRAPH; i++) { total += pValues[i]; } for (int i = 0; i < NB_SERIES_FOR_INT_GRAPH; i++) { // Cumul des 2 dernieres valeurs if (i == NB_SERIES_FOR_INT_GRAPH - 1) { ((DefaultCategoryDataset) mDataSet).addValue((pValues[i] + pValues[i + 1]) * 100 / total, "[" + i + "," + (i + 1) + "]", ""); } else { ((DefaultCategoryDataset) mDataSet).addValue(pValues[i] * 100 / total, "[" + i + "," + (i + 1) + "[", ""); } } } /** * @see org.squale.squaleweb.util.graph.AbstractGraphMaker#getDefaultHeight() {@inheritDoc} */ protected int getDefaultHeight() { return DEFAULT_HEIGHT; } /** * @see org.squale.squaleweb.util.graph.AbstractGraphMaker#getDefaultWidth() {@inheritDoc} */ protected int getDefaultWidth() { return DEFAULT_WIDTH; } /** * @see org.squale.squaleweb.util.graph.AbstractRepartitionMaker#applyColor(int, java.awt.Color) {@inheritDoc} */ protected void applyColor(int pIndex, Color pColor) { mRenderer.setSeriesPaint(pIndex, pColor); } }