Java tutorial
package org.activityinfo.ui.client.page.entry.form; /* * #%L * ActivityInfo Server * %% * Copyright (C) 2009 - 2013 UNICEF * %% * 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 3 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, see * <http://www.gnu.org/licenses/gpl-3.0.html>. * #L% */ import com.google.common.base.Strings; import com.google.gwt.safehtml.shared.SafeHtmlBuilder; import org.activityinfo.model.type.FieldTypeClass; import org.activityinfo.i18n.shared.I18N; import org.activityinfo.legacy.shared.model.*; import org.activityinfo.legacy.shared.type.IndicatorValueFormatter; import java.util.List; import java.util.Map.Entry; import static com.google.gwt.safehtml.shared.SafeHtmlUtils.htmlEscape; public class SiteRenderer { private final IndicatorValueFormatter indicatorValueFormatter; public SiteRenderer(IndicatorValueFormatter indicatorValueFormatter) { super(); this.indicatorValueFormatter = indicatorValueFormatter; } public String renderLocation(SiteDTO site, ActivityFormDTO activity) { StringBuilder html = new StringBuilder(); html.append("<table cellspacing='0'>"); if (!activity.getLocationType().isAdminLevel()) { html.append("<tr><td>"); html.append(activity.getLocationType().getName()).append(": "); html.append("</td><td>"); html.append(site.getLocationName()); if (!Strings.isNullOrEmpty(site.getLocationAxe())) { html.append("<br>").append(site.getLocationAxe()); } html.append("</td></tr>"); } for (AdminLevelDTO level : activity.getAdminLevels()) { AdminEntityDTO entity = site.getAdminEntity(level.getId()); if (entity != null) { html.append("<tr><td>"); html.append(level.getName()).append(":</td><td>"); html.append(entity.getName()); html.append("</td></tr>"); } } html.append("</table>"); return html.toString(); } public String renderSite(SiteDTO site, ActivityFormDTO activity, boolean renderComments) { StringBuilder html = new StringBuilder(); if (renderComments && site.getComments() != null) { String commentsHtml = site.getComments(); commentsHtml = commentsHtml.replace("\n", "<br/>"); html.append("<p class='comments'><span class='groupName'>"); html.append(I18N.CONSTANTS.comments()); html.append(":</span> "); html.append(commentsHtml); html.append("</p>"); } renderAttributes(html, site, activity); if (activity.getReportingFrequency() == ActivityFormDTO.REPORT_ONCE) { html.append(renderIndicators(site, activity)); } return html.toString(); } private String renderIndicators(SiteDTO site, ActivityFormDTO activity) { StringBuilder html = new StringBuilder(); html.append("<br/><p><span class='groupName'>"); html.append(I18N.CONSTANTS.indicators()); html.append(":</p>"); html.append("<table class='indicatorTable' cellspacing='0'>"); boolean hasContent = false; for (IndicatorGroup group : activity.groupIndicators()) { boolean groupHasContent = renderIndicatorGroup(html, group, site); hasContent = hasContent || groupHasContent; } html.append("</table>"); return hasContent ? html.toString() : ""; } private boolean renderIndicatorGroup(StringBuilder html, IndicatorGroup group, SiteDTO site) { StringBuilder groupHtml = new StringBuilder(); boolean empty = true; if (group.getName() != null) { groupHtml.append("<tr><td class='indicatorGroupHeading'>").append(htmlEscape(group.getName())) .append("</td><td> </td></tr>"); } for (IndicatorDTO indicator : group.getIndicators()) { Object value = getIndicatorValue(site, indicator); if (value != null) { groupHtml.append("<tr><td class='indicatorHeading"); if (group.getName() != null) { groupHtml.append(" indicatorGroupChild"); } groupHtml.append("'>").append(htmlEscape(indicator.getName())).append("</td>"); if (indicator.getType() == FieldTypeClass.QUANTITY) { groupHtml.append("<td class='indicatorValue'>").append(formatValue(indicator, value)) .append("</td><td class='indicatorUnits'>").append(indicator.getUnits()) .append("</td>"); } else { groupHtml.append("<td colspan=2>").append(formatValue(indicator, value)).append("</td>"); } groupHtml.append("</tr>"); empty = false; } } if (!empty) { html.append(groupHtml.toString()); return true; } else { return false; } } private Object getIndicatorValue(SiteDTO site, IndicatorDTO indicator) { if (indicator.getType() == FieldTypeClass.QUANTITY) { if (indicator.getAggregation() == IndicatorDTO.AGGREGATE_SITE_COUNT) { return 1.0; } else if (indicator.getAggregation() == IndicatorDTO.AGGREGATE_SUM) { Double value = site.getIndicatorDoubleValue(indicator); if (value == null || value == 0.0) { return null; } else { return value; } } else { return site.getIndicatorValue(indicator); } } else { return site.getIndicatorValue(indicator); } } protected String formatValue(IndicatorDTO indicator, Object value) { if (indicator.getType() == FieldTypeClass.QUANTITY) { if (value instanceof Double) { return indicatorValueFormatter.format((Double) value); } } else if (indicator.getType() == FieldTypeClass.FREE_TEXT) { if (value instanceof String) { return htmlEscape((String) value); } } else if (indicator.getType() == FieldTypeClass.NARRATIVE) { if (value instanceof String) { SafeHtmlBuilder html = new SafeHtmlBuilder(); html.appendEscapedLines((String) value); return html.toSafeHtml().asString(); } } return "-"; } protected void renderAttributes(StringBuilder html, SiteDTO site, ActivityFormDTO activity) { if (site.hasAttributeDisplayMap()) { for (Entry<String, List<String>> entry : site.getAttributeDisplayMap().entrySet()) { renderAttribute(html, entry.getKey(), entry.getValue()); } } else { for (AttributeGroupDTO group : activity.getAttributeGroups()) { renderAttribute(html, group, site); } } } protected void renderAttribute(StringBuilder html, String groupName, List<String> attributeNames) { int count = 0; for (String attributeName : attributeNames) { if (count == 0) { html.append("<p class='attribute'><span class='groupName'>"); html.append(groupName); html.append(": </span><span class='attValues'>"); } else { html.append(", "); } html.append(attributeName); count++; } html.append("</span></p>"); } protected void renderAttribute(StringBuilder html, AttributeGroupDTO group, SiteDTO site) { int count = 0; if (group != null) { for (AttributeDTO attribute : group.getAttributes()) { boolean value = site.getAttributeValue(attribute.getId()); if (value) { if (count == 0) { html.append("<p class='attribute'><span class='groupName'>"); html.append(group.getName()); html.append(": </span><span class='attValues'>"); } else { html.append(", "); } html.append(attribute.getName()); count++; } } if (count != 0) { html.append("</span></p>"); } } } }