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// // ------------------------------------------------------------------------ // // This program is free software; you can redistribute it and/or modify // // it under the terms of the GNU General Public License as published by // // the Free Software Foundation; either version 2 of the License, or // // (at your option) any later version. // // // // You may not change or alter any portion of this comment or credits // // of supporting developers from this source code or any supporting // // source code which is considered copyrighted (c) material of the // // original comment or credit authors. // // // // This program is distributed in the hope that it will be useful, // // but WITHOUT ANY WARRANTY; without even the implied warranty of // // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // // GNU General Public License for more details. // // // // You should have received a copy of the GNU General Public License // // along with this program; if not, write to the Free Software // // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // ------------------------------------------------------------------------ // // Author: Kazumi Ono (AKA onokazu) // // URL: http://www.myweb.ne.jp/, http://www.xoops.org/, http://jp.xoops.org/ // // Project: The XOOPS Project // // ------------------------------------------------------------------------- // /** * * * @package kernel * @subpackage form * * @author Kazumi Ono * @copyright copyright (c) 2000-2003 XOOPS.org */ /** * Abstract base class for form elements * * @author Kazumi Ono * @copyright copyright (c) 2000-2003 XOOPS.org * * @package kernel * @subpackage form */ class XoopsFormElement { /**#@+ * @access private */ /** * "name" attribute of the element * @var string */ var $_name; /** * caption of the element * @var string */ var $_caption; /** * Accesskey for this element * @var string */ var $_accesskey = ''; /** * HTML class for this element * @var string */ var $_class = ''; /** * hidden? * @var bool */ var $_hidden = false; /** * extra attributes to go in the tag * @var string */ var $_extra = ""; /** * required field? * @var bool */ var $_required = false; /** * description of the field * @var string */ var $_description = ""; /** * specified id for the form. * @var string */ var $_id = null; /**#@-*/ /** * constructor * */ function XoopsFormElement(){ exit("This class cannot be instantiated!"); } /** * Is this element a container of other elements? * * @return bool false */ function isContainer() { return false; } /** * set the "name" attribute for the element * * @param string $name "name" attribute for the element */ function setName($name) { $this->_name = trim($name); } /** * get the "name" attribute for the element * * @param bool encode? * @return string "name" attribute */ function getName($encode=true) { if (false != $encode) { return str_replace("&", "&", str_replace("'","'",htmlspecialchars($this->_name))); } return $this->_name; } /** * Set $id to member property. * @param string $id */ function setId($id) { $this->_id = $id; } /** * get the "id" attribute for the element. If ID is empty, return getName(). */ function getId() { return $this->_id != null ? $this->_id : $this->getName(); } /** * set the "accesskey" attribute for the element * * @param string $key "accesskey" attribute for the element */ function setAccessKey($key) { $this->_accesskey = trim($key); } /** * get the "accesskey" attribute for the element * * @return string "accesskey" attribute value */ function getAccessKey() { return $this->_accesskey; } /** * If the accesskey is found in the specified string, underlines it * * @param string $str String where to search the accesskey occurence * @return string Enhanced string with the 1st occurence of accesskey underlined */ function getAccessString( $str ) { $access = $this->getAccessKey(); if ( !empty($access) && ( false !== ($pos = strpos($str, $access)) ) ) { return substr($str, 0, $pos) . '' . substr($str, $pos, 1) . '' . substr($str, $pos+1); } return $str; } /** * set the "class" attribute for the element * * @param string $key "class" attribute for the element */ function setClass($class) { $class = trim($class); if ( empty($class) ) { $this->_class = ''; } else { $this->_class .= (empty($this->_class) ? '' : ' ') . $class; } } /** * get the "class" attribute for the element * * @return string "class" attribute value */ function getClass() { return $this->_class; } /** * set the caption for the element * * @param string $caption */ function setCaption($caption) { $this->_caption = trim($caption); } /** * get the caption for the element * * @return string */ function getCaption() { return $this->_caption; } /** * set the element's description * * @param string $description */ function setDescription($description) { $this->_description = trim($description); } /** * get the element's description * * @return string */ function getDescription() { return $this->_description; } /** * flag the element as "hidden" * */ function setHidden() { $this->_hidden = true; } /** * Find out if an element is "hidden". * * @return bool */ function isHidden() { return $this->_hidden; } function isBreak() { return false; } /** * Add extra attributes to the element. * * This string will be inserted verbatim and unvalidated in the * element's tag. Know what you are doing! * * @param string $extra * @param string $replace If true, passed string will replace current content otherwise it will be appended to it * @return string New content of the extra string */ function setExtra($extra, $replace = false){ if ( $replace) { $this->_extra = " " .trim($extra); } else { $this->_extra .= " " . trim($extra); } return $this->_extra; } /** * Get the extra attributes for the element * * @return string */ function getExtra(){ if (isset($this->_extra)) { return $this->_extra; } } /** * Generates output for the element. * * This method is abstract and must be overwritten by the child classes. * @abstract */ function render(){ } /** * Gets a message for javascript in the specific member function of XoopsForm class. */ function getMessageForJS() { $eltcaption = trim( $this->getCaption() ); $eltmsg = empty($eltcaption) ? sprintf( _FORM_ENTER, $eltname ) : sprintf( _FORM_ENTER, $eltcaption ); $eltmsg = str_replace('"', '\"', stripslashes($eltmsg)); return $eltmsg; } } ?>