public void beforeRenderComponent() {
    super.beforeRenderComponent();

    // Initialize the dashboard (loads all its kpi panels)
    DashboardHandler.lookup().getCurrentDashboard();

    // Get the filter.
    DashboardFilter filter = getFilter();

    // Check all visible properties exist.
    Iterator props = properties.iterator();
    while (props.hasNext()) {
      DashboardFilterProperty dashboardFilterProperty = (DashboardFilterProperty) props.next();
      if (!dashboardFilterProperty.isPropertyAlive()) props.remove();
    }

    // Check if filtered properties for this filter component are already in dashboard filter.
    DashboardFilterProperty[] beingFilteredProps = getBeingFilteredProperties();
    for (int i = 0; i < beingFilteredProps.length; i++) {
      List dfProperties = Arrays.asList(filter.getPropertyIds());
      DashboardFilterProperty beignFilteredProp = beingFilteredProps[i];
      if (!dfProperties.contains(beignFilteredProp.getPropertyId()))
        beignFilteredProp.setBeignFiltered(false);
    }

    // Check filtered properties and hide from available filter properties (set property not
    // visible)
    String[] propIds = filter.getPropertyIds();
    for (int i = 0; i < propIds.length; i++) {
      String propId = propIds[i];
      DashboardFilterProperty prop = getDashboardFilterProperty(propId);
      if (prop == null) {
        DashboardFilterProperty parentProperty = filter.getPropertyInParentDashboards(propId);
        if (parentProperty != null) {
          prop =
              new DashboardFilterProperty(
                  parentProperty.getDataProviderCode(), propId, getFilter(), null, true);
          properties.add(prop);
        }
      } else {
        prop.setBeignFiltered(true);
      }
    }
  }
  public CommandResponse actionFilter(CommandRequest request) {
    try {
      // Init attributes for start applying the filter.
      filterPropertyErrors.clear();

      // Parse parameters and set the filter.
      Iterator visiblePropertiesIt = properties.iterator();
      while (visiblePropertiesIt.hasNext()) {
        DashboardFilterProperty dashboardFilterProperty =
            (DashboardFilterProperty) visiblePropertiesIt.next();

        // Is property already in the dashboard filter?. Then is not possible to filter by this
        // property, it's already added to dashboard filter.
        if (dashboardFilterProperty.isBeingFiltered()) continue;
        if (!dashboardFilterProperty.isPropertyAlive()) {
          log.warn(
              "Trying to filter by "
                  + dashboardFilterProperty.getPropertyId()
                  + ". This property is not in any dataset.");
          continue;
        }
        if (!dashboardFilterProperty.isVisible()) continue;

        Object[] result;
        try {
          result =
              requestProcessor.parseDashboardProperty(
                  request.getRequestObject(), dashboardFilterProperty);
        } catch (Exception e) {
          log.error("Error parsing property " + dashboardFilterProperty.getPropertyId() + ".", e);
          continue;
        }

        if (result.length != 3) {
          log.error(
              "Error parsing property: '"
                  + dashboardFilterProperty.getPropertyId()
                  + "' for dataProvider: '"
                  + dashboardFilterProperty.getDataProviderCode()
                  + "'");
          continue;
        }

        Collection allowedValues = (Collection) result[0];
        Object minValue = result[1];
        Object maxValue = result[2];
        if (allowedValues == null && minValue == null && maxValue == null) continue;

        // Set the filter with this property.
        Dashboard currentDashboard = DashboardHandler.lookup().getCurrentDashboard();
        if (currentDashboard.filter(
            dashboardFilterProperty.getPropertyId(),
            minValue,
            true,
            maxValue,
            true,
            allowedValues,
            FilterByCriteria.ALLOW_ANY)) {
          return new ShowCurrentScreenResponse();
        }
      }
    } catch (Exception e) {
      log.error("Error trying to filter properties for dashboard", e);
    }
    return null;
  }
 public Dashboard getDashboard() {
   return dashboardHandler.getCurrentDashboard();
 }