Subversion-Projekte lars-tiefland.php_share

<?php

// $Header: /cvsroot/html2ps/box.radiobutton.php,v 1.20 2006/11/11 13:43:51 Konstantin Exp $

require_once(HTML2PS_DIR.'box.inline.simple.php');

class RadioBox extends SimpleInlineBox {

  var $_checked;

  /**

   * @var String name of radio button group

   * @access private

   */

  var $_group_name;

  /**

   * @var String value to be posted as this radio button value

   * @access private

   */

  var $_value;

  function &create(&$root, &$pipeline) {

    $checked = $root->has_attribute('checked');

    $value   = $root->get_attribute('value');

    if (trim($value) == "") {

      error_log("Radiobutton with empty 'value' attribute");

      $value = sprintf("___Value%s",md5(time().rand()));

    };

    $css_state = $pipeline->get_current_css_state();

    $box =& new RadioBox($checked, $value,

                         $css_state->get_property(CSS_HTML2PS_FORM_RADIOGROUP));

    $box->readCSS($css_state);

    return $box;

  }

  function RadioBox($checked, $value, $group_name) {

    // Call parent constructor

    $this->GenericBox();

    // Check the box state

    $this->_checked = $checked;

    /**

     * Store the form value for this radio button

     */

    $this->_value = trim($value);

    $this->_group_name = $group_name;

    // Setup box size:

    $this->default_baseline = units2pt(RADIOBUTTON_SIZE);

    $this->height           = units2pt(RADIOBUTTON_SIZE);

    $this->width            = units2pt(RADIOBUTTON_SIZE);

    $this->setCSSProperty(CSS_DISPLAY,'-radio');

  }

  // Inherited from GenericFormattedBox

  function get_min_width(&$context) {

    return $this->get_full_width($context);

  }

  function get_max_width(&$context) {

    return $this->get_full_width($context);

  }

  function get_max_width_natural(&$context) {

    return $this->get_full_width($context);

  }

  function reflow(&$parent, &$context) {

    GenericFormattedBox::reflow($parent, $context);

    // set default baseline

    $this->baseline = $this->default_baseline;

    // append to parent line box

    $parent->append_line($this);

    // Determine coordinates of upper-left _margin_ corner

    $this->guess_corner($parent);

    // Offset parent current X coordinate

    $parent->_current_x += $this->get_full_width();

    // Extends parents height

    $parent->extend_height($this->get_bottom_margin());

  }

  function show(&$driver) {

    // Cet check center

    $x = ($this->get_left() + $this->get_right()) / 2;

    $y = ($this->get_top() + $this->get_bottom()) / 2;

    // Calculate checkbox size

    $size = $this->get_width() / 3;

    // Draw checkbox

    $driver->setlinewidth(0.25);

    $driver->circle($x, $y, $size);

    $driver->stroke();

    /**

     * Render the interactive button (if requested and possible)

     * Also, if no value were specified, then this radio button should not be interactive

     */

    global $g_config;

    if ($g_config['renderforms'] && $this->_value != "") {

      $driver->field_radio($x - $size,

                           $y + $size,

                           2*$size,

                           2*$size,

                           $this->_group_name,

                           $this->_value,

                           $this->_checked);

    } else {

      // Draw checkmark if needed

      if ($this->_checked) {

        $check_size = $this->get_width() / 6;

        $driver->circle($x, $y, $check_size);

        $driver->fill();

      }

    };

    return true;

  }

  function get_ascender() {

    return $this->get_height();

  }

  function get_descender() {

    return 0;

  }

}

?>