public Object calculate(SecuredTaskBean securedTaskBean) throws GranException {
ArrayList<SecuredTaskBean> children = securedTaskBean.getChildren();
if (children == null || children.isEmpty()) return null;
HashMap<SecuredUserBean, Long> participants = getParticipants(securedTaskBean);
for (SecuredTaskBean task : children) {
for (SecuredMessageBean msg : task.getMessages()) {
if (msg.getHrs() != null) {
if (participants.containsKey(msg.getSubmitter())) {
Long spentTime = participants.get(msg.getSubmitter());
participants.put(msg.getSubmitter(), spentTime + msg.getHrs());
}
}
}
}
StringBuffer s = new StringBuffer();
s.append("<div id=\"barchart_div").append(securedTaskBean.getId()).append("\"></div>\n");
s.append("<script type=\"text/javascript\">\n");
s.append("google.load(\'visualization\', \'1.0\', {\'packages\':[\'corechart\']});\n");
s.append("google.setOnLoadCallback(drawChart").append(securedTaskBean.getId()).append(");\n");
s.append("function drawChart").append(securedTaskBean.getId()).append("() {\n");
s.append("var data = new google.visualization.DataTable();\n");
s.append("data.addColumn(\'string\', \'Участники\');\n");
s.append("data.addColumn(\'number\', \'Рабочие часы\');\n");
for (SecuredUserBean u : participants.keySet()) {
s.append("data.addRow([\'")
.append(u.getName())
.append("\', ")
.append((float) participants.get(u) / 3600f)
.append("]);\n");
}
s.append("var options = {\'title\':\'Рабочие часы\',\n");
s.append("\'backgroundColor\': \'transparent\',\n");
s.append("\'legend\': \'none\'};\n");
s.append(
" var chart = new google.visualization.BarChart(document.getElementById(\'barchart_div")
.append(securedTaskBean.getId())
.append("\'));\n");
s.append(" data.sort({column: 0});");
s.append("chart.draw(data, options);\n");
s.append("}\n");
s.append("</script>\n");
return s.toString();
}
