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<?php
if(!defined('WP_ADMIN')) {
exit;
}
require_once(EL_PATH.'includes/options.php');
// This class handles general functions which can be used on different admin pages
class EL_Admin_Functions {
private static $instance;
private $options;
public static function &get_instance() {
// Create class instance if required
if(!isset(self::$instance)) {
self::$instance = new self();
}
// Return class instance
return self::$instance;
}
private function __construct() {
$this->options = &EL_Options::get_instance();
$this->options->load_options_helptexts();
}
public function show_option_form($section, $options) {
$options = wp_parse_args($options, array('page' => admin_url('options.php'), 'button_text' => null, 'button_class' => 'primary large'));
$out = '
<form method="post" action="'.$options['page'].'">
';
ob_start();
settings_fields('el_'.$section);
$out .= ob_get_contents();
ob_end_clean();
$out .= $this->show_option_table($section);
$out .= get_submit_button($options['button_text'], $options['button_class']);
$out .='
</form>';
return $out;
}
public function show_option_table($section) {
$out = '
<div class="el-settings">
<table class="form-table">';
foreach($this->options->options as $oname => $o) {
if($o['section'] == $section) {
$out .= '
<tr>
<th>';
if($o['label'] != '') {
$out .= '<label for="'.$oname.'">'.$o['label'].':</label>';
}
$out .= '</th>
<td>';
switch($o['type']) {
case 'checkbox':
$out .= $this->show_checkbox($oname, $this->options->get($oname), $o['caption'], isset($o['disable']));
break;
case 'dropdown':
$out .= $this->show_dropdown($oname, $this->options->get($oname), $o['caption'], isset($o['disable']));
break;
case 'radio':
$out .= $this->show_radio($oname, $this->options->get($oname), $o['caption'], isset($o['disable']));
break;
case 'text':
$out .= $this->show_text($oname, $this->options->get($oname), isset($o['disable']));
break;
case 'textarea':
$out .= $this->show_textarea($oname, $this->options->get($oname), isset($o['disable']));
break;
case 'file-upload':
$out .= $this->show_file_upload($oname, $o['maxsize'], isset($o['disable']));
}
$out .= '
</td>
<td class="description">'.$o['desc'].'</td>
</tr>';
}
}
$out .= '
</table>
</div>';
return $out;
}
public function show_checkbox($name, $value, $caption, $disabled=false) {
$out = '
<label for="'.$name.'">
<input name="'.$name.'" type="checkbox" id="'.$name.'" value="1"';
if($value == 1) {
$out .= ' checked="checked"';
}
$out .= $this->get_disabled_text($disabled).' />
'.$caption.'
</label>';
return $out;
}
public function show_dropdown($name, $selected, $value_array, $class_array=null, $disabled=false) {
$out = '
<select id="'.$name.'" name="'.$name.'"'.$this->get_disabled_text($disabled).'>';
foreach($value_array as $key => $value) {
$class_text = isset($class_array[$key]) ? 'class="'.$class_array[$key].'" ' : '';
$selected_text = $selected===$key ? 'selected ' : '';
$out .= '
<option '.$class_text.$selected_text.'value="'.$key.'">'.$value.'</option>';
}
$out .= '
</select>';
return $out;
}
public function show_radio($name, $selected, $value_array, $disabled=false) {
$out = '
<fieldset>';
foreach($value_array as $key => $value) {
$checked = ($selected === $key) ? 'checked="checked" ' : '';
$out .= '
<label title="'.$value.'">
<input type="radio" '.$checked.'value="'.$key.'" name="'.$name.'">
<span>'.$value.'</span>
</label>
<br />';
}
$out .= '
</fieldset>';
return $out;
}
public function show_text($name, $value, $disabled=false) {
$out = '
<input name="'.$name.'" type="text" id="'.$name.'" value="'.$value.'"'.$this->get_disabled_text($disabled).' />';
return $out;
}
public function show_textarea($name, $value, $disabled=false) {
$out = '
<textarea name="'.$name.'" id="'.$name.'" rows="5" class="large-text code"'.$this->get_disabled_text($disabled).'>'.$value.'</textarea>';
return $out;
}
public function show_file_upload($name, $max_size, $disabled=false) {
$out = '
<input name="'.$name.'" type="file" maxlength="'.$max_size.'">';
return $out;
}
public function get_disabled_text($disabled=false) {
return $disabled ? ' disabled="disabled"' : '';
}
}
?>