function gridbuilder_get_css in Grid builder 7

Same name and namespace in other branches

1. 8 gridbuilder.module \gridbuilder_get_css()

Return generated CSS for a given grid.

Parameters

(string) $name: Machine name of the grid.

(string) $wrapper_selector: (optional) Wrapper CSS selector to use to scope the CSS.

(string) $span_selector_prefix: (optional) Column span selector prefix to scope the CSS.

(boolean) $skip_spacing: Whether we should skip including spacing in the output. Useful for tight layout demonstration presentation.

Return value

Fully assembled CSS string.

File

./gridbuilder.module, line 161

Simple grid builder tool.

Code

function gridbuilder_get_css($name, $wrapper_selector = NULL, $span_selector_prefix = NULL, $skip_spacing = FALSE) {

  // First attempt to let other modules provide CSS for this grid. If users are
  // not happy with the CSS generated here, they can provide their own and skip
  // our CSS generation.
  $css = module_invoke_all('gridbuilder_get_css', $name);
  if (!empty($css)) {
    return join('', $css);
  }
  $grid = gridbuilder_load($name);
  $css = '';

  // If the wrapper selector was not provided, generate one. This is useful for
  // specific administration use cases when we scope the classes by grids.
  if (empty($wrapper_selector)) {
    $wrapper_selector = '.rld-container-' . $grid->name;
  }

  // If the span selector was not provided, generate one. This is useful for
  // the front end to apply varying span widths under different names.
  if (empty($span_selector_prefix)) {
    $span_selector_prefix = '.rld-span_';
  }

  // If spacing is to be skipped, override the gutter and padding temporarily.
  if ($skip_spacing) {
    $grid->gutter_width = $grid->padding_width = 0;
  }
  switch ($grid->grid_type) {
    case GRIDBUILDER_FLUID:
      $size_suffix = '%';

      // Override to 100% whatever it was.
      $grid->width = '100';
      break;
    case GRIDBUILDER_FIXED:
      $size_suffix = 'px';
      break;
  }

  // Because we use the border-box box model, we only need to substract the
  // size of margins from the full width and divide the rest by number of
  // columns to get a value for column size.
  $colwidth = ($grid->width - ($grid->columns - 1) * $grid->gutter_width) / $grid->columns;
  $css = $wrapper_selector . ' .rld-col {
  border: 0px solid rgba(0,0,0,0);
  float: left;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -moz-background-clip: padding-box !important;
  -webkit-background-clip: padding-box !important;
  background-clip: padding-box !important;
  margin-left: ' . $grid->gutter_width . $size_suffix . ';
  padding: 0 ' . $grid->padding_width . $size_suffix . ';
}
' . $wrapper_selector . ' .rld-col' . $span_selector_prefix . 'first {
  margin-left: 0;
  clear: both;
}
';
  for ($i = 1; $i <= $grid->columns; $i++) {
    $css .= $wrapper_selector . ' ' . $span_selector_prefix . $i . " {\n";
    if ($i == 1) {

      // The first column does not yet have any margins.
      $css .= '  width: ' . $colwidth * $i . $size_suffix . ";\n";
    }
    elseif ($i == $grid->columns) {

      // The full width column always spans 100%.
      $css .= "  width: " . $grid->width . $size_suffix . ";\n  margin-left: 0;\n";
    }
    else {

      // Other columns absorb all columns that they need to include and one
      // less margin before them.
      $css .= '  width: ' . ($colwidth * $i + $grid->gutter_width * ($i - 1)) . $size_suffix . ";\n";
    }
    $css .= "}\n";
  }
  return $css;
}