style.cls.php

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                 "bottom" => array("width" => $this->__get("border_bottom_width"),
                                   "style" => $this->__get("border_bottom_style"),
                                   "color" => $this->__get("border_bottom_color")),
                 "right" => array("width" => $this->__get("border_right_width"),
                                  "style" => $this->__get("border_right_style"),
                                  "color" => $this->__get("border_right_color")),
                 "left" => array("width" => $this->__get("border_left_width"),
                                 "style" => $this->__get("border_left_style"),
                                 "color" => $this->__get("border_left_color")));
  }

  /**
   * Return a single border property
   *
   * @return mixed
   */
  protected function _get_border($side) {
    $color = $this->__get("border_" . $side . "_color");
    
    return $this->__get("border_" . $side . "_width") . " " .
      $this->__get("border_" . $side . "_style") . " " . $color["hex"];
  }

  /**#@+
   * Return full border properties as a string
   *
   * Border properties are returned just as specified in CSS:
   * <pre>[width] [style] [color]</pre>
   * e.g. "1px solid blue"
   *
   * @link http://www.w3.org/TR/CSS21/box.html#border-shorthand-properties
   * @return string
   */
  function get_border_top() { return $this->_get_border("top"); }
  function get_border_right() { return $this->_get_border("right"); }
  function get_border_bottom() { return $this->_get_border("bottom"); }
  function get_border_left() { return $this->_get_border("left"); }
  /**#@-*/


  /**
   * Returns border spacing as an array
   *
   * The array has the format (h_space,v_space)
   *
   * @link http://www.w3.org/TR/CSS21/tables.html#propdef-border-spacing
   * @return array
   */
  function get_border_spacing() {
    return explode(" ", $this->_props["border_spacing"]);
  }
  
  
  /**
   * Sets colour
   *
   * The colour parameter can be any valid CSS colour value
   *   
   * @link http://www.w3.org/TR/CSS21/colors.html#propdef-color
   * @param string $colour
   */
  function set_color($colour) {
    $col = $this->munge_colour($colour);

    if ( is_null($col) )
      $col = self::$_defaults["color"];
    
    $this->_props["color"] = $col["hex"];
  }

  /**
   * Sets the background colour
   *
   * @link http://www.w3.org/TR/CSS21/colors.html#propdef-background-color
   * @param string $colour
   */
  function set_background_color($colour) {
    $col = $this->munge_colour($colour);
    if ( is_null($col) )
      $col = self::$_defaults["background_color"];
    
    $this->_props["background_color"] = is_array($col) ? $col["hex"] : $col;
  }

  /**
   * Set the background image url
   *
   * @link http://www.w3.org/TR/CSS21/colors.html#background-properties
   * @param string $url
   */
  function set_background_image($val) {

    if ( mb_strpos($val, "url") !== false ) {
      $val = preg_replace("/url\(['\"]?([^'\")]+)['\"]?\)/","\\1", trim($val));
    } else {
      $val = "none";
    }

    // Resolve the url now in the context of the current stylesheet
    $parsed_url = explode_url($val);
    if ( $parsed_url["protocol"] == "" && $this->_stylesheet->get_protocol() == "" )
      $url = realpath($this->_stylesheet->get_base_path() . $parsed_url["file"]);
    else
      $url = build_url($this->_stylesheet->get_protocol(),
                       $this->_stylesheet->get_host(),
                       $this->_stylesheet->get_base_path(),
                       $val);                     
                     
    $this->_props["background_image"] = $url;
  }

  /**
   * Sets the font size
   *
   * $size can be any acceptable CSS size
   *
   * @link http://www.w3.org/TR/CSS21/fonts.html#propdef-font-size
   * @param string|float $size
   */
  function set_font_size($size) {
    $this->__font_size_calculated = false;
    $this->_props["font_size"] = $size;
  }
  
  /**#@+
   * Sets page break properties
   *
   * @link http://www.w3.org/TR/CSS21/page.html#page-breaks
   * @param string $break
   */
  function set_page_break_before($break) {
    if ($break === "left" || $break === "right")
      $break = "always";

    $this->_props["page_break_before"] = $break;
  }

  function set_page_break_after($break) {
    if ($break === "left" || $break === "right")
      $break = "always";

    $this->_props["page_break_after"] = $break;
  }
  /**#@-*/
    
  //........................................................................

  /**#@+
   * Sets the margin size
   *
   * @link http://www.w3.org/TR/CSS21/box.html#margin-properties
   * @param $val
   */
  function set_margin_top($val) {
    $this->_props["margin_top"] = str_replace("none", "0px", $val);
  }

  function set_margin_right($val) {
    $this->_props["margin_right"] = str_replace("none", "0px", $val);
  }

  function set_margin_bottom($val) {
    $this->_props["margin_bottom"] = str_replace("none", "0px", $val);
  }

  function set_margin_left($val) {
    $this->_props["margin_left"] = str_replace("none", "0px", $val);
  }
  
  function set_margin($val) {
    $val = str_replace("none", "0px", $val);
    $margins = explode(" ", $val);

    switch (count($margins)) {

    case 1:
      $this->_props["margin_top"] = $margins[0];
      $this->_props["margin_right"] = $margins[0];
      $this->_props["margin_bottom"] = $margins[0];
      $this->_props["margin_left"] = $margins[0];
      break;

    case 2:
      $this->_props["margin_top"] = $margins[0];
      $this->_props["margin_bottom"] = $margins[0];

      $this->_props["margin_right"] = $margins[1];
      $this->_props["margin_left"] = $margins[1];
      break;
        
    case 3:
      $this->_props["margin_top"] = $margins[0];
      $this->_props["margin_right"] = $margins[1];
      $this->_props["margin_bottom"] = $margins[1];
      $this->_props["margin_left"] = $margins[2];
      break;

    case 4:
      $this->_props["margin_top"] = $margins[0];
      $this->_props["margin_right"] = $margins[1];
      $this->_props["margin_bottom"] = $margins[2];
      $this->_props["margin_left"] = $margins[3];
      break;

    default:
      break;
    }

    $this->_props["margin"] = $val;
    
  }
  /**#@-*/
     

  /**#@+
   * Sets the padding size
   *
   * @link http://www.w3.org/TR/CSS21/box.html#padding-properties
   * @param $val
   */
  function set_padding_top($val) {
    $this->_props["padding_top"] = str_replace("none", "0px", $val);
  }

  function set_padding_right($val) {
    $this->_props["padding_right"] = str_replace("none", "0px", $val);
  }

  function set_padding_bottom($val) {
    $this->_props["padding_bottom"] = str_replace("none", "0px", $val);
  }

  function set_padding_left($val) {
    $this->_props["padding_left"] = str_replace("none", "0px", $val);
  }

  function set_padding($val) {
    $val = str_replace("none", "0px", $val);
    $paddings = explode(" ", $val);

    switch (count($paddings)) {

    case 1:
      $this->_props["padding_top"] = $paddings[0];
      $this->_props["padding_right"] = $paddings[0];
      $this->_props["padding_bottom"] = $paddings[0];
      $this->_props["padding_left"] = $paddings[0];
      break;

    case 2:
      $this->_props["padding_top"] = $paddings[0];
      $this->_props["padding_bottom"] = $paddings[0];

      $this->_props["padding_right"] = $paddings[1];
      $this->_props["padding_left"] = $paddings[1];
      break;
        
    case 3:
      $this->_props["padding_top"] = $paddings[0];
      $this->_props["padding_right"] = $paddings[1];
      $this->_props["padding_bottom"] = $paddings[1];
      $this->_props["padding_left"] = $paddings[2];
      break;

    case 4:
      $this->_props["padding_top"] = $paddings[0];
      $this->_props["padding_right"] = $paddings[1];
      $this->_props["padding_bottom"] = $paddings[2];
      $this->_props["padding_left"] = $paddings[3];
      break;

    default:
      break;
    }

    $this->_props["padding"] = $val;
  }
  /**#@-*/

  /**
   * Sets a single border
   *
   * @param string $side
   * @param string $border_spec  ([width] [style] [color])
   */
  protected function _set_border($side, $border_spec) {
    $border_spec = str_replace(",", " ", $border_spec);
    $arr = explode(" ", $border_spec);

    // FIXME: handle partial values
    
    $p = "border_" . $side;
    $p_width = $p . "_width";
    $p_style = $p . "_style";
    $p_color = $p . "_color";

    foreach ($arr as $value) {
      $value = trim($value);
      if ( in_array($value, self::$BORDER_STYLES) ) {
        $this->_props[$p_style] = $value;

      } else if ( preg_match("/[.0-9]+(?:px|pt|pc|em|ex|%|in|mm|cm)|(?:none|normal|thin|medium|thick)/", $value ) ) {
        $this->_props[$p_width] = str_replace("none", "0px", $value);

      } else {
        // must be colour
        $this->_props[$p_color] = $value;
      }
    }

    $this->_props[$p] = $border_spec;
  }

  /**#@+
   * Sets the border styles
   *
   * @link http://www.w3.org/TR/CSS21/box.html#border-properties
   * @param string $val
   */
  function set_border_top($val) { $this->_set_border("top", $val); }
  function set_border_right($val) { $this->_set_border("right", $val); }
  function set_border_bottom($val) { $this->_set_border("bottom", $val); }
  function set_border_left($val) { $this->_set_border("left", $val); }
  
  function set_border($val) {
    $this->_set_border("top", $val);
    $this->_set_border("right", $val);
    $this->_set_border("bottom", $val);
    $this->_set_border("left", $val);
    $this->_props["border"] = $val;
  }

  function set_border_width($val) {
    $arr = explode(" ", $val);

    switch (count($arr)) {

    case 1:
      $this->_props["border_top_width"] = $arr[0];
      $this->_props["border_right_width"] = $arr[0];
      $this->_props["border_bottom_width"] = $arr[0];
      $this->_props["border_left_width"] = $arr[0];
      break;

    case 2:
      $this->_props["border_top_width"] = $arr[0];
      $this->_props["border_bottom_width"] = $arr[0];

      $this->_props["border_right_width"] = $arr[1];
      $this->_props["border_left_width"] = $arr[1];
      break;
        
    case 3:
      $this->_props["border_top_width"] = $arr[0];
      $this->_props["border_right_width"] = $arr[1];
      $this->_props["border_bottom_width"] = $arr[1];
      $this->_props["border_left_width"] = $arr[2];
      break;

    case 4:
      $this->_props["border_top_width"] = $arr[0];
      $this->_props["border_right_width"] = $arr[1];
      $this->_props["border_bottom_width"] = $arr[2];
      $this->_props["border_left_width"] = $arr[3];
      break;

    default:
      break;
    }

    $this->_props["border_width"] = $val;
  }
  
  function set_border_color($val) {
    
    $arr = explode(" ", $val);
    
    switch (count($arr)) {

    case 1:
      $this->_props["border_top_color"] = $arr[0];
      $this->_props["border_right_color"] = $arr[0];
      $this->_props["border_bottom_color"] = $arr[0];
      $this->_props["border_left_color"] = $arr[0];
      break;

    case 2:
      $this->_props["border_top_color"] = $arr[0];
      $this->_props["border_bottom_color"] = $arr[0];

      $this->_props["border_right_color"] = $arr[1];
      $this->_props["border_left_color"] = $arr[1];
      break;
        
    case 3:
      $this->_props["border_top_color"] = $arr[0];
      $this->_props["border_right_color"] = $arr[1];
      $this->_props["border_bottom_color"] = $arr[1];
      $this->_props["border_left_color"] = $arr[2];
      break;

    case 4:
      $this->_props["border_top_color"] = $arr[0];
      $this->_props["border_right_color"] = $arr[1];
      $this->_props["border_bottom_color"] = $arr[2];
      $this->_props["border_left_color"] = $arr[3];
      break;

    default:
      break;
    }

    $this->_props["border_color"] = $val;

  }

  function set_border_style($val) {
    $arr = explode(" ", $val);

    switch (count($arr)) {

    case 1:
      $this->_props["border_top_style"] = $arr[0];
      $this->_props["border_right_style"] = $arr[0];
      $this->_props["border_bottom_style"] = $arr[0];
      $this->_props["border_left_style"] = $arr[0];
      break;

    case 2:
      $this->_props["border_top_style"] = $arr[0];
      $this->_props["border_bottom_style"] = $arr[0];

      $this->_props["border_right_style"] = $arr[1];
      $this->_props["border_left_style"] = $arr[1];
      break;
        
    case 3:
      $this->_props["border_top_style"] = $arr[0];
      $this->_props["border_right_style"] = $arr[1];
      $this->_props["border_bottom_style"] = $arr[1];
      $this->_props["border_left_style"] = $arr[2];
      break;

    case 4:
      $this->_props["border_top_style"] = $arr[0];
      $this->_props["border_right_style"] = $arr[1];
      $this->_props["border_bottom_style"] = $arr[2];
      $this->_props["border_left_style"] = $arr[3];
      break;

    default:
      break;
    }

    $this->_props["border_style"] = $val;
  }
  /**#@-*/
     

  /**
   * Sets the border spacing
   *
   * @link http://www.w3.org/TR/CSS21/box.html#border-properties
   * @param float $val   
   */
  function set_border_spacing($val) {

    $arr = explode(" ", $val);

    if ( count($arr) == 1 )
      $arr[1] = $arr[0];

    $this->_props["border_spacing"] = $arr[0] . " " . $arr[1];
  }

  /**
   * Sets the list style image
   *
   * @link http://www.w3.org/TR/CSS21/generate.html#propdef-list-style-image
   * @param $val
   */
  function set_list_style_image($val) {
    
    // Strip url(' ... ') from url values
    if ( mb_strpos($val, "url") !== false ) {
      $val = preg_replace("/url\(['\"]?([^'\")]+)['\"]?\)/","\\1", trim($val));
    } else {
      $val = "none";
    }

    $this->_props["list_style_image"] = $val;
  }
  
  /**
   * Sets the list style
   *
   * This is not currently implemented
   *
   * @link http://www.w3.org/TR/CSS21/generate.html#propdef-list-style
   * @param $val
   */
  function set_list_style($val) {
    $arr = explode(" ", str_replace(",", " ", $val));

    $types = array("disc", "circle", "square", "decimal",
                   "decimal-leading-zero", "lower-roman",
                   "upper-roman", "lower-greek", "lower-latin",
                   "upper-latin", "armenian", "georgian",
                   "lower-alpha", "upper-alpha", "none");

    $positions = array("inside", "outside");
    
    foreach ($arr as $value) {
      if ( mb_strpos($value, "url") !== false ) {
        $this->set_list_style_image($value);
        continue;
      }

      if ( in_array($value, $types) ) {
        $this->_props["list_style_type"] = $value;
      } else if ( in_array($value, $positions) ) {
        $this->_props["list_style_position"] = $value;
      }
    }
  }

  /**
   * Generate a string representation of the Style
   *
   * This dumps the entire property array into a string via print_r.  Useful
   * for debugging.
   *
   * @return string
   */
  function __toString() {
    return print_r(array_merge(array("parent_font_size" => $this->_parent_font_size),
                               $this->_props), true);
  }
}