html_output.php

来自「Zen Cart是真正的电子商务艺术」· PHP 代码 · 共 562 行 · 第 1/2 页

 * The HTML form submit button wrapper function
 * Outputs a "submit" button in the selected language
 */
  function zen_image_submit($image, $alt = '', $parameters = '', $sec_class = '') {
    global $template, $current_page_base, $zco_notifier;
    if (strtolower(IMAGE_USE_CSS_BUTTONS) == 'yes' && strlen($alt)<30) return zenCssButton($image, $alt, 'submit', $sec_class /*, $parameters = ''*/ );
    $zco_notifier->notify('PAGE_OUTPUT_IMAGE_SUBMIT');

    $image_submit = '<input type="image" src="' . zen_output_string($template->get_template_dir($image, DIR_WS_TEMPLATE, $current_page_base, 'buttons/' . $_SESSION['language'] . '/') . $image) . '" alt="' . zen_output_string($alt) . '"';

    if (zen_not_null($alt)) $image_submit .= ' title=" ' . zen_output_string($alt) . ' "';

    if (zen_not_null($parameters)) $image_submit .= ' ' . $parameters;

    $image_submit .= ' />';

    return $image_submit;
  }

/*
 * Output a function button in the selected language
 */
  function zen_image_button($image, $alt = '', $parameters = '', $sec_class = '') {
    global $template, $current_page_base, $zco_notifier;

    // inject rollover class if one is defined. NOTE: This could end up with 2 "class" elements if $parameters contains "class" already.
    if (defined('IMAGE_ROLLOVER_CLASS') && IMAGE_ROLLOVER_CLASS != '') {
    	$parameters .= (zen_not_null($parameters) ? ' ' : '') . 'class="rollover"';
    }

    $zco_notifier->notify('PAGE_OUTPUT_IMAGE_BUTTON');
    if (strtolower(IMAGE_USE_CSS_BUTTONS) == 'yes') return zenCssButton($image, $alt, 'button', $sec_class, $parameters = '');
    return zen_image($template->get_template_dir($image, DIR_WS_TEMPLATE, $current_page_base, 'buttons/' . $_SESSION['language'] . '/') . $image, $alt, '', '', $parameters);
  }


/**
 * generate CSS buttons in the current language
 * concept from contributions by Seb Rouleau and paulm, subsequently adapted to Zen Cart
 * note: any hard-coded buttons will not be able to use this function
**/
  function zenCssButton($image = '', $text, $type, $sec_class = '', $parameters = '') {

    // automatic width setting depending on the number of characters
    $min_width = 80; // this is the minimum button width, change the value as you like
    $character_width = 6.5; // change this value depending on font size!
    // end settings
    // added html_entity_decode function to prevent html special chars to be counted as multiple characters (like &amp;)
    $width = strlen(html_entity_decode($text)) * $character_width;
    $width = (int)$width;
    if ($width < $min_width) $width = $min_width;
    $style = ' style="width: ' . $width . 'px;"';
    // if no secondary class is set use the image name for the sec_class
    if (empty($sec_class)) $sec_class = basename($image, '.gif');
    if(!empty($sec_class))$sec_class = ' ' . $sec_class;
    if(!empty($parameters))$parameters = ' ' . $parameters;
    $mouse_out_class  = 'cssButton' . $sec_class;
    $mouse_over_class = 'cssButtonHover' . $sec_class . $sec_class . 'Hover';
    // javascript to set different classes on mouseover and mouseout: enables hover effect on the buttons
    // (pure css hovers on non link elements do work work in every browser)
    $css_button_js .=  'onmouseover="this.className=\''. $mouse_over_class . '\'" onmouseout="this.className=\'' . $mouse_out_class . '\'"';

    if ($type == 'submit'){
// form input button
   $css_button = '<input class="' . $mouse_out_class . '" ' . $css_button_js . ' type="submit" value="' .$text . '"' . $parameters . $style . ' />';
    }

    if ($type=='button'){
// link button
   $css_button = '<span class="' . $mouse_out_class . '" ' . $css_button_js . $style . ' >&nbsp;' . $text . '&nbsp;</span>'; // add $parameters ???
    }
    return $css_button;
  }


/*
 *  Output a separator either through whitespace, or with an image
 */
  function zen_draw_separator($image = 'true', $width = '100%', $height = '1') {

    // set default to use from template - zen_image will translate if not found in current template
    if ($image == 'true') {
      $image = DIR_WS_TEMPLATE_IMAGES . OTHER_IMAGE_BLACK_SEPARATOR;
    } else {
      if (!strstr($image, DIR_WS_TEMPLATE_IMAGES)) {
        $image = DIR_WS_TEMPLATE_IMAGES . $image;
      }
    }
    return zen_image($image, '', $width, $height);
  }

/*
 *  Output a form
 */
  function zen_draw_form($name, $action, $method = 'post', $parameters = '') {
    $form = '<form name="' . zen_output_string($name) . '" action="' . zen_output_string($action) . '" method="' . zen_output_string($method) . '"';

    if (zen_not_null($parameters)) $form .= ' ' . $parameters;

    $form .= '>';

    return $form;
  }

/*
 *  Output a form input field
 */
  function zen_draw_input_field($name, $value = '', $parameters = '', $type = 'text', $reinsert_value = true) {
    $field = '<input type="' . zen_output_string($type) . '" name="' . zen_output_string($name) . '"';

    if ( (isset($GLOBALS[$name])) && ($reinsert_value == true) ) {
      $field .= ' value="' . zen_output_string(stripslashes($GLOBALS[$name])) . '"';
    } elseif (zen_not_null($value)) {
      $field .= ' value="' . zen_output_string($value) . '"';
    }

    if (zen_not_null($parameters)) $field .= ' ' . $parameters;

    $field .= ' />';

    return $field;
  }

/*
 *  Output a form password field
 */
  function zen_draw_password_field($name, $value = '', $parameters = 'maxlength="40"') {
    return zen_draw_input_field($name, $value, $parameters, 'password', true);
  }

/*
 *  Output a selection field - alias function for zen_draw_checkbox_field() and zen_draw_radio_field()
 */
  function zen_draw_selection_field($name, $type, $value = '', $checked = false, $parameters = '') {
    $selection = '<input type="' . zen_output_string($type) . '" name="' . zen_output_string($name) . '"';

    if (zen_not_null($value)) $selection .= ' value="' . zen_output_string($value) . '"';

    if ( ($checked == true) || ( isset($GLOBALS[$name]) && is_string($GLOBALS[$name]) && ( ($GLOBALS[$name] == 'on') || (isset($value) && (stripslashes($GLOBALS[$name]) == $value)) ) ) ) {
      $selection .= ' checked="checked"';
    }

    if (zen_not_null($parameters)) $selection .= ' ' . $parameters;

    $selection .= ' />';

    return $selection;
  }

/*
 *  Output a form checkbox field
 */
  function zen_draw_checkbox_field($name, $value = '', $checked = false, $parameters = '') {
    return zen_draw_selection_field($name, 'checkbox', $value, $checked, $parameters);
  }

/*
 * Output a form radio field
 */
  function zen_draw_radio_field($name, $value = '', $checked = false, $parameters = '') {
    return zen_draw_selection_field($name, 'radio', $value, $checked, $parameters);
  }

/*
 *  Output a form textarea field
 */
  function zen_draw_textarea_field($name, $width, $height, $text = '', $parameters = '', $reinsert_value = true) {
    $field = '<textarea name="' . zen_output_string($name) . '" cols="' . zen_output_string($width) . '" rows="' . zen_output_string($height) . '"';

    if (zen_not_null($parameters)) $field .= ' ' . $parameters;

    $field .= '>';

    if ( (isset($GLOBALS[$name])) && ($reinsert_value == true) ) {
      $field .= stripslashes($GLOBALS[$name]);
    } elseif (zen_not_null($text)) {
      $field .= $text;
    }

    $field .= '</textarea>';

    return $field;
  }

/*
 *  Output a form hidden field
 */
  function zen_draw_hidden_field($name, $value = '', $parameters = '') {
    $field = '<input type="hidden" name="' . zen_output_string($name) . '"';

    if (zen_not_null($value)) {
      $field .= ' value="' . zen_output_string($value) . '"';
    } elseif (isset($GLOBALS[$name])) {
      $field .= ' value="' . zen_output_string(stripslashes($GLOBALS[$name])) . '"';
    }

    if (zen_not_null($parameters)) $field .= ' ' . $parameters;

    $field .= ' />';

    return $field;
  }

/*
 * Output a form file-field
 */
  function zen_draw_file_field($name, $required = false) {
    $field = zen_draw_input_field($name, '', ' size="50" ', 'file');

    return $field;
  }


/*
 *  Hide form elements while including session id info
 *  IMPORTANT: This should be used in every FORM that has an OnSubmit() function tied to it, to prevent unexpected logouts
 */
  function zen_hide_session_id() {
    global $session_started;

    if ( ($session_started == true) && defined('SID') && zen_not_null(SID) ) {
      return zen_draw_hidden_field(zen_session_name(), zen_session_id());
    }
  }

/*
 *  Output a form pull down menu
 *  Pulls values from a passed array, with the indicated option pre-selected
 */
  function zen_draw_pull_down_menu($name, $values, $default = '', $parameters = '', $required = false) {
    $field = '<select name="' . zen_output_string($name) . '"';

    if (zen_not_null($parameters)) $field .= ' ' . $parameters;

    $field .= '>' . "\n";

    if (empty($default) && isset($GLOBALS[$name])) $default = stripslashes($GLOBALS[$name]);

    for ($i=0, $n=sizeof($values); $i<$n; $i++) {
      $field .= '  <option value="' . zen_output_string($values[$i]['id']) . '"';
      if ($default == $values[$i]['id']) {
        $field .= ' selected="selected"';
      }

      $field .= '>' . zen_output_string($values[$i]['text'], array('"' => '&quot;', '\'' => '&#039;', '<' => '&lt;', '>' => '&gt;')) . '</option>' . "\n";
    }
    $field .= '</select>' . "\n";

    if ($required == true) $field .= TEXT_FIELD_REQUIRED;

    return $field;
  }

/*
 * Creates a pull-down list of countries
 */
  function zen_get_country_list($name, $selected = '', $parameters = '') {
    $countries_array = array(array('id' => '', 'text' => PULL_DOWN_DEFAULT));
    $countries = zen_get_countries();

    for ($i=0, $n=sizeof($countries); $i<$n; $i++) {
      $countries_array[] = array('id' => $countries[$i]['countries_id'], 'text' => $countries[$i]['countries_name']);
    }

    return zen_draw_pull_down_menu($name, $countries_array, $selected, $parameters);
  }

/*
 * Assesses suitability for additional parameters such as rel=nofollow etc
 */
  function zen_href_params($page = '', $parameters = '') {
    global $current_page_base;
    $addparms = '';
    // if nofollow has already been set, ignore this function
    if (stristr($parameters, 'nofollow')) return $parameters;
    // if list of skippable pages has been set in meta_tags.php lang file (is by default), use that to add rel=nofollow params
    if (defined('ROBOTS_PAGES_TO_SKIP') && in_array($page, explode(",", constant('ROBOTS_PAGES_TO_SKIP'))) 
        || $current_page_base=='down_for_maintenance') $addparms = 'rel="nofollow"';
    return ($parameters == '' ? $addparms : $parameters . ' ' . $addparms);
  }
?>