function views_plugin_style_chart::_render in Views Charts 7

Same name and namespace in other branches

1. 6 views_plugin_style_chart.inc \views_plugin_style_chart::_render()

1 call to views_plugin_style_chart::_render()

views_plugin_style_chart::render in ./views_plugin_style_chart.inc

Render the display in this style.

File

./views_plugin_style_chart.inc, line 215

Holds views_plugin_style_chart class which implements the chart plugin.

Class

views_plugin_style_chart

Code

function _render($rows, $title) {
  if (!isset($this->options['engine'])) {
    drupal_set_message("No engine specified for display '" . $this->view->current_display . "' on view '" . $this->view->name . "'");
    return FALSE;
  }
  if ($canvas = $this
    ->charts_graphs_get_graph($this->options['engine'])) {
    $cgp_data = $this
      ->_transform_data($rows);
    $canvas
      ->set_data($cgp_data->rows, $cgp_data->x_labels);
    $canvas->x_type = $cgp_data->x_type;
    $curr_disp = $this->view->current_display;
    $canvas->title = $this->view->display[$curr_disp]->handler
      ->get_option('title');
    $canvas->type = $this->options['type'][$this->options['engine']];
    $canvas->y_legend = $this->options['y_legend'];
    if (isset($this->options['y_min']) && !empty($this->options['y_min'])) {
      $canvas->y_min = $this->options['y_min'];
    }
    if (isset($this->options['y_max']) && !empty($this->options['y_max'])) {
      $canvas->y_max = $this->options['y_max'];
    }
    if (isset($this->options['y_step']) && !empty($this->options['y_step'])) {
      $canvas->y_step = $this->options['y_step'];
    }
    if (isset($this->options['background_colour'])) {
      $background_colour = trim($this->options['background_colour']);
      if (!empty($background_colour)) {
        $canvas->colour = $background_colour;
      }
    }
    if (!empty($this->options['series_colours'])) {
      $series_colours = explode(',', $this->options['series_colours']);
      if (count($series_colours)) {
        $canvas->series_colours = $series_colours;
      }
    }
    else {
      $canvas->series_colours = $canvas
        ->series_colours();
    }

    // make the user input a bit more resilient;
    $width = str_replace("px", "", $this->options['width']);

    // just for people who are confused and still added this
    $width = is_numeric($width) || is_numeric(str_replace("%", "", $width)) ? $width : "600";
    $height = str_replace("px", "", $this->options['height']);
    $height = is_numeric($height) ? $height : "500";
    $canvas->width = $width;
    $canvas->height = $height;
    $canvas->showlegend = $this->options['showlegend'];
    $canvas->zoom = $this->options['zoom'];

    // Flot only

    //'admin/structure/views' - issues with javascript etc. Do not try to render
    if (arg(0) == 'admin' && arg(1) == 'build' && arg(2) == 'views') {
      $msg = t("Preview not available for Charts display style. Please view on a full page");
      $msg = "<div class=\"messages error\"><b>{$msg}</b></div>";
      return $msg;
    }
    views_charts_invoke_all('views_charts_graph_alter', array(
      &$canvas,
    ));
    $element = $canvas
      ->get_chart();
    return render($element);
  }
  else {
    drupal_set_message("Graph with engine " . $this->options['engine'] . " not available");
  }
}