public function FrxSVGGraph::scrapeConfig in Forena Reports 7.5

Derive config variables from graph.

Overrides RendererBase::scrapeConfig

File

src/Renderer/FrxSVGGraph.php, line 189

FrxSVGGraph php SVG Graph generator

Class

FrxSVGGraph

Namespace

Drupal\forena\Renderer

Code

public function scrapeConfig() {
  $this->weight = 0;
  $nodes = $this->reportDocNode
    ->xpath('svg');
  if ($nodes) {
    $svg = $nodes[0];
    $config = $this
      ->mergedAttributes($svg);
  }
  $table_nodes = $this->reportDocNode
    ->xpath('table');
  $config['gen_table'] = $table_nodes ? 1 : 0;

  // Determine graph type
  $graph_type = isset($config['type']) ? $config['type'] : 'BarGraph';
  $types = $this
    ->graphTypes();
  $types = array_change_key_case($types);
  $config['base_type'] = $types[strtolower($graph_type)]['type'];
  $this
    ->extractTemplateHTML($this->reportDocDomNode, $config, array(
    'svg',
    'table',
  ));
  if (!isset($config['key'])) {
    $config['key'] = @$config['label'];
  }
  if (!isset($config['key'])) {
    $config['key'] = @$config['seriesx'];
  }
  $key = $config['key'];
  $dim = @$config['dim'];
  $series = @(array) $config['series'];
  if ($key) {
    $keys = explode(' ', $key);
    foreach ($keys as $k) {
      $this
        ->addColumn('heading', $k, trim($k, '{}'), $config);
    }
  }
  if ($series) {
    foreach ($series as $col) {
      $this
        ->addColumn('value', $col, trim($col, '{}'), $config);
    }
  }

  // Get the data cells
  if ($dim) {
    $dims = (array) $dim;
    foreach ($dims as $dim) {
      $this
        ->addColumn('crosstab', $dim, trim($dim, '{}'), $config);
    }
  }
  $config['style'] = $config['type'];
  return $config;
}