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Apex Analytics API and Report Chart Component
<apex:page controller="AnalyticsController">
<style>
label {
font-weight: bold;
}
#filters {
overflow: hidden;
width: 100%
}
#filterBox {
float: left;
align: center;
padding: 5px 5px 5px 0px;
}
</style>
<apex:form >
<apex:outputLabel value="Select Report"/>
<apex:selectList value="{!reportId}" multiselect="false" size="1">
<apex:selectOptions value="{!availableReports}"/>
</apex:selectList>
<apex:commandButton action="{!getReportInfo}" value="Get Report Filters" reRender="report"/><br/>
<apex:outputPanel id="report" layout="block">
<apex:outputPanel rendered="{!reportId != null}">
<div id="filters">
<apex:repeat value="{!availableColumnFilters}" var="colFilter">
<div id="filterBox">
<apex:outputLabel >{!colFilter.label}</apex:outputLabel><br/>
<apex:selectList value="{!colFilter.operator}" size="1" multiselect="false" style="width: 100px;">
<apex:selectOption itemLabel="--None--" itemValue=""/>
<apex:selectOptions value="{!availableDataTypeFilterOperators[colFilter.dataType]}"/>
</apex:selectList>
<apex:inputText value="{!colFilter.value}"/>
</div>
</apex:repeat>
</div>
<apex:commandButton value="Get Chart with Filters" reRender="chart"/><br/>
<apex:outputPanel layout="block" id="chart">
<analytics:reportChart reportId="{!reportId}" filter="{!chartFilter}"/>
</apex:outputPanel>
</apex:outputPanel>
</apex:outputPanel>
</apex:form>
</apex:page>
public with sharing class AnalyticsController{
public List<SelectOption> availableReports { get; set; }
public Id reportId { get; set; }
public Map<String, List<SelectOption>> availableDataTypeFilterOperators { get; set; }
public List<ColumnFilter> availableColumnFilters { get; set; }
public AnalyticsController() {
availableReports = retrieveAvailableReports();
availableDataTypeFilterOperators = retrieveAvailableDataTypeFilterOperators();
}
public List<SelectOption> retrieveAvailableReports() {
List<SelectOption> reptOpts = new List<SelectOption>();
for (Report r : [
Select Id, Name
From Report
Where Format In ('Summary','Matrix')
Order By Name
]) {
reptOpts.add(new SelectOption(r.Id, r.Name));
}
return reptOpts;
}
public Map<String, List<SelectOption>> retrieveAvailableDataTypeFilterOperators() {
Map<String, List<SelectOption>> dataTypeFilterOpts = new Map<String, List<SelectOption>>();
Map<String, List<Reports.FilterOperator>> filterOperatorMap = Reports.ReportManager.getDataTypeFilterOperatorMap();
for (String dataType : filterOperatorMap.keySet()) {
List<SelectOption> operators = new List<SelectOption>();
// Append _DATA to match ColumnDataType from ReportTypeColumn
dataTypeFilterOpts.put(dataType.toUpperCase() + '_DATA', operators);
for (Reports.FilterOperator fo : filterOperatorMap.get(dataType)) {
operators.add(new SelectOption(fo.getName(), fo.getLabel()));
}
}
return dataTypeFilterOpts;
}
public PageReference getReportInfo() {
Reports.ReportDescribeResult descRes = Reports.ReportManager.describeReport(reportId);
availableColumnFilters = new List<ColumnFilter>();
for (Reports.ReportTypeColumnCategory category : descRes.getReportTypeMetadata().getCategories()) {
for (Reports.ReportTypeColumn col : category.getColumns().values()) {
if (col.getFilterable()) {
ColumnFilter cf = new ColumnFilter(
col.getLabel(),
col.getName(),
col.getDataType().name()
);
availableColumnFilters.add(cf);
}
}
}
return null;
}
public String getChartFilter() {
return JSON.serialize(getSelectedFilters());
}
private List<ColumnFilter> getSelectedFilters() {
List<ColumnFilter> selectedFilters = new List<ColumnFilter>();
for (ColumnFilter cf : availableColumnFilters) {
if (String.isNotBlank(cf.operator)) {
selectedFilters.add(cf);
}
}
return selectedFilters;
}
public class ColumnFilter {
public ColumnFilter(String lab, String col, String dt) {
label = lab;
column = col;
dataType = dt;
}
// Values needed for apex:analytics component
public String column { get; set; }
public String operator { get; set; }
public String value { get; set; }
// Values need for display and operator select list
public String label { get; set; }
public String dataType { get; set; }
}
}
@peterknolle

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commented Jan 25, 2014

This is code from my blog article Apex Analytics API and Report Chart Component.

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