From: Leandro Lucarella Date: Wed, 7 Jan 2004 22:20:00 +0000 (+0000) Subject: Se agrega un select. X-Git-Tag: svn_import~148 X-Git-Url: https://git.llucax.com/mecon/meconlib.git/commitdiff_plain/c01910050061c6d3f9febf6e51009726d0950420?ds=inline;hp=8d9ab05e92201423c3c4714f6530aa0f705be7d7 Se agrega un select. --- diff --git a/pear_lib_tmp/HTML/Select.php b/pear_lib_tmp/HTML/Select.php new file mode 100644 index 0000000..b6b1c0e --- /dev/null +++ b/pear_lib_tmp/HTML/Select.php @@ -0,0 +1,329 @@ + | +// +----------------------------------------------------------------------+ +// +// $Id$ + +require_once 'PEAR.php'; +require_once 'HTML/Common.php'; + +/** + * Class to dynamically create an HTML SELECT + * + * @author Adam Daniel + * @version 1.2 + * @since PHP4.04pl1 + * @access public + */ +class HTML_Select extends HTML_Common +{ + + /** + * Contains the select options + * + * @var array + * @since 1.0 + * @access private + */ + var $_options = array(); + + /** + * Default values of the SELECT + * + * @var string + * @since 1.0 + * @access private + */ + var $_values = array(); + + /** + * Class constructor + * + * @param string $name (optional)Name attribute of the SELECT + * @param int $size (optional) Size attribute of the SELECT + * @param bool $multiple (optional)Whether the select will allow multiple + * selections or not + * @param mixed $attributes (optional)Either a typical HTML attribute string + * or an associative array + * @param int $tabOffset (optional)Number of tabs to offset HTML source + * @since 1.0 + * @access public + * @return void + * @throws + */ + function HTML_Select($name = '', $size = 1, $multiple = false, $attributes = null, $tabOffset = 0) + { + HTML_Common::HTML_Common($attributes, $tabOffset); + $attr = array('name' => $name, 'size' => $size); + if ($multiple) { + $attr['multiple'] = 'multiple'; + } + $this->updateAttributes($attr); + $this->setSelectedValues(array()); + } + + /** + * Returns the current API version + * + * @since 1.0 + * @access public + * @return double + * @throws + */ + function apiVersion() + { + return 1.3; + } + + /** + * Sets the default values of the select box + * + * @param mixed $values Array or comma delimited string of selected values + * @since 1.0 + * @access public + * @return void + * @throws + */ + function setSelectedValues($values) + { + if (is_string($values)) { + $values = split("[ ]?,[ ]?", $values); + } + $this->_values = $values; + } + + /** + * Returns an array of the selected values + * + * @since 1.0 + * @access public + * @return array of selected values + * @throws + */ + function getSelectedValues() + { + return $this->_values; + } + + /** + * Adds a new OPTION to the SELECT + * + * @param string $text Display text for the OPTION + * @param string $value Value for the OPTION + * @param bool $selected Whether the option is selected or not + * @param mixed $attributes Either a typical HTML attribute string + * or an associative array + * @since 1.0 + * @access public + * @return void + * @throws + */ + function addOption($text, $value, $selected = false, $attributes = null) + { + if ($selected && !in_array($value, $this->_values)) { + $this->_values[] = $value; + } + + $attributes = $this->_parseAttributes($attributes); + $attr['value'] = $value; + $this->_updateAttrArray($attributes, $attr); + $this->_options[] = array('text' => $text, 'attr' => $attributes); + } + + /** + * Loads the options from an associative array + * + * @param array $arr Associative array of options + * @param mixed $values (optional) Array or comma delimited string of selected values + * @since 1.0 + * @access public + * @return PEAR_Error on error or true + * @throws PEAR_Error + */ + function loadArray($arr, $values=null) + { + if (!is_array($arr)) { + return new PEAR_ERROR('First argument to HTML_Select::loadArray is not a valid array'); + } + if (isset($values)) { + $this->setSelectedValues($values); + } + while (list($key, $value) = each($arr)) { + $this->addOption($key, $value); + } + return true; + } + + /** + * Loads the options from an array with numeric keys, using the + * array values as the form values as well as labels. + * + * @param array $arr Array of options + * @param mixed $values (optional) Array or comma delimited string of selected values + * @since 1.2 + * @access public + * @return PEAR_Error on error or true + * @throws PEAR_Error + */ + function loadValueArray($arr, $values = null) + { + if (!is_array($arr)) { + return new PEAR_ERROR("First argument to HTML_Select::loadArray is not a valid array"); + } + if (isset($values)) { + $this->setSelectedValues($values); + } + foreach ($arr as $value) { + $this->addOption($value, $value); + } + return true; + } + + /** + * Loads the options from DB_result object + * + * If no column names are specified the first two columns of the result are + * used as the text and value columns respectively + * @param object $result DB_result object + * @param string $textCol (optional) Name of column to display as the OPTION text + * @param string $valueCol (optional) Name of column to use as the OPTION value + * @param mixed $values (optional) Array or comma delimited string of selected values + * @since 1.0 + * @access public + * @return PEAR_Error on error or true + * @throws PEAR_Error + */ + function loadDbResult(&$result, $textCol=null, $valueCol=null, $values=null) + { + include_once 'DB.php'; + + if (!is_object($result) || (get_class($result) != "db_result" && + is_subclass_of($result, "db_result"))) { + return new PEAR_ERROR("First argument to HTML_Select::loadDbResult is not a valid DB_result"); + } + if (isset($values)) { + $this->setSelectedValues($values); + } + $fetchMode = ($textCol && $valueCol) ? DB_FETCHMODE_ASSOC : DB_FETCHMODE_DEFAULT; + while (is_array($row = $result->fetchRow($fetchMode)) ) { + if ($fetchMode == DB_FETCHMODE_ASSOC) { + $this->addOption($row[$textCol], $row[$valueCol]); + } else { + $this->addOption($row[0], $row[1]); + } + } + return true; + } + + /** + * Queries a database and loads the options from the results + * + * @param mixed $conn Either an existing DB connection or a valid dsn + * @param string $sql SQL query string + * @param string $textCol (optional) Name of column to display as the OPTION text + * @param string $valueCol (optional) Name of column to use as the OPTION value + * @param mixed $values (optional) Array or comma delimited string of selected values + * @since 1.1 + * @access private + * @return void + * @throws + */ + function loadQuery(&$conn, $sql, $textCol=null, $valueCol=null, $values=null) + { + include_once 'DB.php'; + + if (is_string($conn)) { + $dbConn = &DB::connect($conn, true); + if (DB::isError($dbConn)) return $dbConn; + } elseif (is_subclass_of($conn, "db_common")) { + $dbConn = $conn; + } else { + return $this->raiseError("Argument 1 of HTML_Select::loadQuery is not a valid type"); + } + $result = @$dbConn->query($sql); + if (DB::isError($result)) return $result; + return $this->loadDbResult($result, $textCol, $valueCol, $values); + } + + /** + * Loads options from different types of data sources + * + * This method is a simulated overloaded method. The arguments, other than the + * first are optional and only mean something depending on the type of the first argument. + * If the first argument is an array then all arguments are passed in order to loadArray. + * If the first argument is a db_result then all arguments are passed in order to loadDbResult. + * If the first argument is a string or a DB connection then all arguments are + * passed in order to loadQuery. + * @param mixed $options Options source currently supports assoc array or DB_result + * @param mixed $param1 (optional) See function detail + * @param mixed $param2 (optional) See function detail + * @param mixed $param3 (optional) See function detail + * @param mixed $param4 (optional) See function detail + * @since 1.1 + * @access public + * @return PEAR_Error on error or true + * @throws PEAR_Error + */ + function load(&$options, $param1=null, $param2=null, $param3=null, $param4=null) + { + switch (true) { + case is_array($options): + return $this->loadArray($options, $param1); + break; + case (get_class($options) == "db_result" || is_subclass_of($options, "db_result")): + return $this->loadDbResult($options, $param1, $param2, $param3); + break; + case (is_string($options) || is_subclass_of($options, "db_common")): + return $this->loadQuery($options, $param1, $param2, $param3, $param4); + break; + } + } + + /** + * Returns the SELECT in HTML + * + * @since 1.0 + * @access public + * @return string + * @throws + */ + function toHtml() + { + $tabs = $this->_getTabs(); + $name = $this->_attributes['name']; + $strHtml = $tabs; + if ($this->_comment) { + $strHtml .= "\n$tabs"; + } + $strHtml .= + '_getAttrString($this->_attributes) . '>'; + foreach ($this->_options as $option) { + $attrString = $this->_getAttrString($option['attr']); + $strHtml .= + '_values) + ? ' selected' + : '') + . '>' . htmlspecialchars($option['text']) . ''; + } + $strHtml .= ''; + return $strHtml; + } + +} + +?>