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<?php |
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/* |
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You may not change or alter any portion of this comment or credits |
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of supporting developers from this source code or any supporting source code |
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which is considered copyrighted (c) material of the original comment or credit authors. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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*/ |
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namespace Xoops\Form; |
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/** |
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* Select - a select element |
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* |
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* @category Xoops\Form\Select |
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* @package Xoops\Form |
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* @author Kazumi Ono <[email protected]> |
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* @author Taiwen Jiang <[email protected]> |
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* @copyright 2001-2015 XOOPS Project (http://xoops.org) |
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* @license GNU GPL 2 or later (http://www.gnu.org/licenses/gpl-2.0.html) |
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* @link http://xoops.org |
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*/ |
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class Select extends OptionElement |
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{ |
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/** |
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* Pre-selected values |
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* |
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* @var array |
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*/ |
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protected $value = array(); |
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/** |
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* Constructor |
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* |
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* @param string|array $caption Caption or array of all attributes |
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* @param string $name name" attribute |
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* @param mixed $value Pre-selected value (or array of them). |
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* @param integer $size Number or rows. "1" makes a drop-down-list |
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* @param boolean $multiple Allow multiple selections? |
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*/ |
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public function __construct($caption, $name = null, $value = null, $size = 1, $multiple = false) |
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{ |
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if (is_array($caption)) { |
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parent::__construct($caption); |
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$this->setIfNotSet('size', 1); |
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} else { |
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$this->setWithDefaults('caption', $caption, ''); |
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$this->setWithDefaults('name', $name, 'name_error'); |
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$this->set('value', $value); |
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$this->setWithDefaults('size', $size, 1); |
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if ($multiple) { |
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$this->set('multiple'); |
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} |
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} |
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} |
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/** |
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* Are multiple selections allowed? |
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* |
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* @return bool |
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*/ |
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public function isMultiple() |
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{ |
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return $this->has('multiple'); |
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} |
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/** |
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* Get the size |
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* |
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* @return int |
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*/ |
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public function getSize() |
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{ |
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return (int) $this->get('size'); |
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} |
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/** |
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* Add multiple optgroup |
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* |
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* @param string $name name attribute |
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* @param array $optgroup Associative array of value->name pairs |
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* |
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* @return void |
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*/ |
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public function addOptionGroup($name, $optgroup) |
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{ |
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$this->setArrayItem('option', $name, $optgroup); |
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} |
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/** |
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* render a single option |
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* |
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* @param string $optionValue option element value |
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* @param string $optionDisplay displayed text |
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* @param string[] $selected selected option values |
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* |
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* @return string |
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*/ |
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public function renderOption($optionValue, $optionDisplay, $selected) |
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{ |
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$rendered = '<option value="' . htmlspecialchars($optionValue, ENT_QUOTES) . '"'; |
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if (in_array($optionValue, $selected)) { |
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$rendered .= ' selected="selected"'; |
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} |
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$rendered .= '>' . $optionDisplay . '</option>' . "\n"; |
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return $rendered; |
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} |
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/** |
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* defaultRender |
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* |
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* @return string rendered form element |
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*/ |
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public function defaultRender() |
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{ |
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$selected = (array) $this->getValue(); |
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$ele_options = $this->getOptions(); |
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$extra = ($this->getExtra() != '' ? " " . $this->getExtra() : ''); |
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$attributes = $this->renderAttributeString(); |
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$rendered = '<select ' . $attributes . $extra .' >' . "\n"; |
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if (empty($ele_optgroup)) { |
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foreach ($ele_options as $value => $display) { |
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if (is_array($display)) { |
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$rendered .= '<optgroup label="' . $value . '">' . "\n"; |
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foreach ($display as $optvalue => $optdisplay) { |
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$rendered .= $this->renderOption($optvalue, $optdisplay, $selected); |
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} |
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} else { |
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$rendered .= $this->renderOption($value, $display, $selected); |
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} |
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} |
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} |
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$rendered .= '</select>' . "\n"; |
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return $rendered; |
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} |
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/** |
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* Render custom javascript validation code |
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* |
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* @return string |
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*/ |
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public function renderValidationJS() |
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{ |
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// render custom validation code if any |
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if (!empty($this->customValidationCode)) { |
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return implode("\n", $this->customValidationCode); |
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// generate validation code if required |
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} elseif ($this->isRequired()) { |
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$eltname = $this->getName(); |
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$eltcaption = $this->getCaption(); |
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$eltmsg = empty($eltcaption) |
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? sprintf(\XoopsLocale::F_ENTER, $eltname) |
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: sprintf(\XoopsLocale::F_ENTER, $eltcaption); |
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$eltmsg = str_replace('"', '\"', stripslashes($eltmsg)); |
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return "\nvar hasSelected = false; var selectBox = myform.{$eltname};" |
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. "for (i = 0; i < selectBox.options.length; i++ ) { " |
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. "if (selectBox.options[i].selected == true && selectBox.options[i].value != '') " |
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. "{ hasSelected = true; break; } }" . "if (!hasSelected) " |
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. "{ window.alert(\"{$eltmsg}\"); selectBox.focus(); return false; }"; |
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} |
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return ''; |
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} |
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} |
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XOOPS /
XoopsCore
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