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dokuwiki
Complex classes like admin_plugin_config often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use admin_plugin_config, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 16 | class admin_plugin_config extends DokuWiki_Admin_Plugin { |
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| 17 | |||
| 18 | const METADATA = __DIR__ . 'settings/config.metadata.php'; |
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| 19 | const IMGDIR = DOKU_BASE.'lib/plugins/config/images/'; |
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| 20 | |||
| 21 | protected $_config = null; |
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| 22 | protected $_input = null; |
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| 23 | protected $_changed = false; // set to true if configuration has altered |
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| 24 | protected $_error = false; |
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| 25 | protected $_session_started = false; |
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| 26 | protected $_localised_prompts = false; |
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| 27 | |||
| 28 | /** |
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| 29 | * @return int |
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| 30 | */ |
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| 31 | public function getMenuSort() { return 100; } |
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| 32 | |||
| 33 | /** |
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| 34 | * handle user request |
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| 35 | */ |
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| 36 | public function handle() { |
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| 37 | global $ID, $INPUT; |
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| 38 | |||
| 39 | if(!$this->_restore_session() || $INPUT->int('save') != 1 || !checkSecurityToken()) { |
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| 40 | $this->_close_session(); |
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| 41 | return; |
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| 42 | } |
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| 43 | |||
| 44 | if(is_null($this->_config)) { |
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| 45 | $this->_config = new Configuration(self::METADATA); |
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| 46 | } |
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| 47 | |||
| 48 | // don't go any further if the configuration is locked |
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| 49 | if($this->_config->locked) { |
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| 50 | $this->_close_session(); |
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| 51 | return; |
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| 52 | } |
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| 53 | |||
| 54 | $this->_input = $INPUT->arr('config'); |
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| 55 | |||
| 56 | foreach ($this->_config->setting as $key => $value){ |
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| 57 | $input = isset($this->_input[$key]) ? $this->_input[$key] : null; |
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| 58 | if ($this->_config->setting[$key]->update($input)) { |
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| 59 | $this->_changed = true; |
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| 60 | } |
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| 61 | if ($this->_config->setting[$key]->error()) $this->_error = true; |
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| 62 | } |
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| 63 | |||
| 64 | if ($this->_changed && !$this->_error) { |
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| 65 | $this->_config->save_settings($this->getPluginName()); |
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| 66 | |||
| 67 | // save state & force a page reload to get the new settings to take effect |
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| 68 | $_SESSION['PLUGIN_CONFIG'] = array('state' => 'updated', 'time' => time()); |
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| 69 | $this->_close_session(); |
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| 70 | send_redirect(wl($ID,array('do'=>'admin','page'=>'config'),true,'&')); |
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| 71 | exit(); |
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| 72 | } elseif(!$this->_error) { |
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| 73 | $this->_config->touch_settings(); // just touch to refresh cache |
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| 74 | } |
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| 75 | |||
| 76 | $this->_close_session(); |
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| 77 | } |
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| 78 | |||
| 79 | /** |
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| 80 | * output appropriate html |
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| 81 | */ |
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| 82 | public function html() { |
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| 83 | $allow_debug = $GLOBALS['conf']['allowdebug']; // avoid global $conf; here. |
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| 84 | global $lang; |
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| 85 | global $ID; |
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| 86 | |||
| 87 | if (is_null($this->_config)) { $this->_config = new Configuration(self::METADATA); } |
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| 88 | $this->setupLocale(true); |
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| 89 | |||
| 90 | print $this->locale_xhtml('intro'); |
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| 91 | |||
| 92 | ptln('<div id="config__manager">'); |
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| 93 | |||
| 94 | if ($this->_config->locked) |
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| 95 | ptln('<div class="info">'.$this->getLang('locked').'</div>'); |
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| 96 | elseif ($this->_error) |
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| 97 | ptln('<div class="error">'.$this->getLang('error').'</div>'); |
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| 98 | elseif ($this->_changed) |
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| 99 | ptln('<div class="success">'.$this->getLang('updated').'</div>'); |
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| 100 | |||
| 101 | // POST to script() instead of wl($ID) so config manager still works if |
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| 102 | // rewrite config is broken. Add $ID as hidden field to remember |
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| 103 | // current ID in most cases. |
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| 104 | ptln('<form action="'.script().'" method="post">'); |
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| 105 | ptln('<div class="no"><input type="hidden" name="id" value="'.$ID.'" /></div>'); |
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| 106 | formSecurityToken(); |
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| 107 | $this->_print_h1('dokuwiki_settings', $this->getLang('_header_dokuwiki')); |
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| 108 | |||
| 109 | /** @var setting[] $undefined_settings */ |
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| 110 | $undefined_settings = array(); |
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| 111 | $in_fieldset = false; |
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| 112 | $first_plugin_fieldset = true; |
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| 113 | $first_template_fieldset = true; |
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| 114 | foreach($this->_config->setting as $setting) { |
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| 115 | if (is_a($setting, 'setting_hidden')) { |
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| 116 | // skip hidden (and undefined) settings |
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| 117 | if ($allow_debug && is_a($setting, 'setting_undefined')) { |
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| 118 | $undefined_settings[] = $setting; |
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| 119 | } else { |
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| 120 | continue; |
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| 121 | } |
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| 122 | } else if (is_a($setting, 'setting_fieldset')) { |
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| 123 | // config setting group |
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| 124 | if ($in_fieldset) { |
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| 125 | ptln(' </table>'); |
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| 126 | ptln(' </div>'); |
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| 127 | ptln(' </fieldset>'); |
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| 128 | } else { |
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| 129 | $in_fieldset = true; |
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| 130 | } |
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| 131 | if ($first_plugin_fieldset && substr($setting->_key, 0, 10)=='plugin'.Configuration::KEYMARKER) { |
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| 132 | $this->_print_h1('plugin_settings', $this->getLang('_header_plugin')); |
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| 133 | $first_plugin_fieldset = false; |
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| 134 | } else if ($first_template_fieldset && substr($setting->_key, 0, 7)=='tpl'.Configuration::KEYMARKER) { |
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| 135 | $this->_print_h1('template_settings', $this->getLang('_header_template')); |
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| 136 | $first_template_fieldset = false; |
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| 137 | } |
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| 138 | ptln(' <fieldset id="'.$setting->_key.'">'); |
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| 139 | ptln(' <legend>'.$setting->prompt($this).'</legend>'); |
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| 140 | ptln(' <div class="table">'); |
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| 141 | ptln(' <table class="inline">'); |
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| 142 | } else { |
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| 143 | // config settings |
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| 144 | list($label,$input) = $setting->html($this, $this->_error); |
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| 145 | |||
| 146 | $class = $setting->is_default() |
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| 147 | ? ' class="default"' |
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| 148 | : ($setting->is_protected() ? ' class="protected"' : ''); |
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| 149 | $error = $setting->error() |
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| 150 | ? ' class="value error"' |
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| 151 | : ' class="value"'; |
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| 152 | $icon = $setting->caution() |
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| 153 | ? '<img src="'.self::IMGDIR.$setting->caution().'.png" '. |
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| 154 | 'alt="'.$setting->caution().'" title="'.$this->getLang($setting->caution()).'" />' |
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| 155 | : ''; |
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| 156 | |||
| 157 | ptln(' <tr'.$class.'>'); |
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| 158 | ptln(' <td class="label">'); |
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| 159 | ptln(' <span class="outkey">'.$setting->_out_key(true, true).'</span>'); |
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| 160 | ptln(' '.$icon.$label); |
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| 161 | ptln(' </td>'); |
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| 162 | ptln(' <td'.$error.'>'.$input.'</td>'); |
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| 163 | ptln(' </tr>'); |
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| 164 | } |
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| 165 | } |
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| 166 | |||
| 167 | ptln(' </table>'); |
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| 168 | ptln(' </div>'); |
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| 169 | if ($in_fieldset) { |
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| 170 | ptln(' </fieldset>'); |
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| 171 | } |
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| 172 | |||
| 173 | // show undefined settings list |
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| 174 | if ($allow_debug && !empty($undefined_settings)) { |
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| 175 | /** |
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| 176 | * Callback for sorting settings |
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| 177 | * |
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| 178 | * @param setting $a |
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| 179 | * @param setting $b |
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| 180 | * @return int if $a is lower/equal/higher than $b |
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| 181 | */ |
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| 182 | function _setting_natural_comparison($a, $b) { |
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| 185 | |||
| 186 | usort($undefined_settings, '_setting_natural_comparison'); |
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| 187 | $this->_print_h1('undefined_settings', $this->getLang('_header_undefined')); |
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| 231 | |||
| 232 | /** |
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| 233 | * @return boolean true - proceed with handle, false - don't proceed |
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| 234 | */ |
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| 235 | protected function _restore_session() { |
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| 260 | |||
| 261 | protected function _close_session() { |
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| 264 | |||
| 265 | /** |
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| 266 | * @param bool $prompts |
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| 267 | */ |
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| 268 | public function setupLocale($prompts=false) { |
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| 277 | |||
| 278 | /** |
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| 279 | * @return bool |
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| 280 | */ |
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| 281 | protected function _setup_localised_plugin_prompts() { |
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| 330 | |||
| 331 | /** |
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| 332 | * Generates a two-level table of contents for the config plugin. |
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| 333 | * |
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| 334 | * @author Ben Coburn <[email protected]> |
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| 335 | * |
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| 336 | * @return array |
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| 337 | */ |
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| 338 | public function getTOC() { |
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| 392 | |||
| 393 | /** |
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| 394 | * @param string $id |
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| 395 | * @param string $text |
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| 396 | */ |
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| 397 | protected function _print_h1($id, $text) { |
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| 400 | |||
| 401 | /** |
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| 402 | * Adds a translation to this plugin's language array |
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| 403 | * |
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| 404 | * @param string $key |
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| 405 | * @param string $value |
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| 406 | */ |
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| 407 | public function addLang($key, $value) { |
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| 411 | } |
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| 412 |
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This check looks for access to properties that are not accessible from the current context.
If you need to make a property accessible to another context you can either raise its visibility level or provide an accessible getter in the defining class.