C:/xampp/htdocs/moodle/lib/simpletestlib/form.php

Go to the documentation of this file.

<?php
require_once(dirname(__FILE__) . '/tag.php');
require_once(dirname(__FILE__) . '/encoding.php');
require_once(dirname(__FILE__) . '/selector.php');
class SimpleForm {
    var $_method;
    var $_action;
    var $_encoding;
    var $_default_target;
    var $_id;
    var $_buttons;
    var $_images;
    var $_widgets;
    var $_radios;
    var $_checkboxes;
    
    function SimpleForm($tag, &$page) {
        $this->_method = $tag->getAttribute('method');
        $this->_action = $this->_createAction($tag->getAttribute('action'), $page);
        $this->_encoding = $this->_setEncodingClass($tag);
        $this->_default_target = false;
        $this->_id = $tag->getAttribute('id');
        $this->_buttons = array();
        $this->_images = array();
        $this->_widgets = array();
        $this->_radios = array();
        $this->_checkboxes = array();
    }
    
    function _setEncodingClass($tag) {
        if (strtolower($tag->getAttribute('method')) == 'post') {
            if (strtolower($tag->getAttribute('enctype')) == 'multipart/form-data') {
                return 'SimpleMultipartEncoding';
            }
            return 'SimplePostEncoding';
        }
        return 'SimpleGetEncoding';
    }
    
    function setDefaultTarget($frame) {
        $this->_default_target = $frame;
    }
    
    function getMethod() {
        return ($this->_method ? strtolower($this->_method) : 'get');
    }
    
    function _createAction($action, &$page) {
        if (($action === '') || ($action === false)) {
            return $page->expandUrl($page->getUrl());
        }
        return $page->expandUrl(new SimpleUrl($action));;
    }
    
    function getAction() {
        $url = $this->_action;
        if ($this->_default_target && ! $url->getTarget()) {
            $url->setTarget($this->_default_target);
        }
        return $url;
    }
    
    function _encode() {
        $class = $this->_encoding;
        $encoding = new $class();
        for ($i = 0, $count = count($this->_widgets); $i < $count; $i++) {
            $this->_widgets[$i]->write($encoding);
        }
        return $encoding;
    }
            
    function getId() {
        return $this->_id;
    }
    
    function addWidget(&$tag) {
        if (strtolower($tag->getAttribute('type')) == 'submit') {
            $this->_buttons[] = &$tag;
        } elseif (strtolower($tag->getAttribute('type')) == 'image') {
            $this->_images[] = &$tag;
        } elseif ($tag->getName()) {
            $this->_setWidget($tag);
        }
    }
    
    function _setWidget(&$tag) {
        if (strtolower($tag->getAttribute('type')) == 'radio') {
            $this->_addRadioButton($tag);
        } elseif (strtolower($tag->getAttribute('type')) == 'checkbox') {
            $this->_addCheckbox($tag);
        } else {
            $this->_widgets[] = &$tag;
        }
    }
    
    function _addRadioButton(&$tag) {
        if (! isset($this->_radios[$tag->getName()])) {
            $this->_widgets[] = new SimpleRadioGroup();
            $this->_radios[$tag->getName()] = count($this->_widgets) - 1;
        }
        $this->_widgets[$this->_radios[$tag->getName()]]->addWidget($tag);
    }
    
    function _addCheckbox(&$tag) {
        if (! isset($this->_checkboxes[$tag->getName()])) {
            $this->_widgets[] = &$tag;
            $this->_checkboxes[$tag->getName()] = count($this->_widgets) - 1;
        } else {
            $index = $this->_checkboxes[$tag->getName()];
            if (! SimpleTestCompatibility::isA($this->_widgets[$index], 'SimpleCheckboxGroup')) {
                $previous = &$this->_widgets[$index];
                $this->_widgets[$index] = new SimpleCheckboxGroup();
                $this->_widgets[$index]->addWidget($previous);
            }
            $this->_widgets[$index]->addWidget($tag);
        }
    }
    
    function getValue($selector) {
        for ($i = 0, $count = count($this->_widgets); $i < $count; $i++) {
            if ($selector->isMatch($this->_widgets[$i])) {
                return $this->_widgets[$i]->getValue();
            }
        }
        foreach ($this->_buttons as $button) {
            if ($selector->isMatch($button)) {
                return $button->getValue();
            }
        }
        return null;
    }
    
    function setField($selector, $value, $position=false) {
        $success = false;
        $_position = 0;
        for ($i = 0, $count = count($this->_widgets); $i < $count; $i++) {
            if ($selector->isMatch($this->_widgets[$i])) {
                $_position++;
                if ($position === false or $_position === (int)$position) {
                    if ($this->_widgets[$i]->setValue($value)) {
                        $success = true;
                    }
                }
            }
        }
        return $success;
    }
    
    function attachLabelBySelector($selector, $label) {
        for ($i = 0, $count = count($this->_widgets); $i < $count; $i++) {
            if ($selector->isMatch($this->_widgets[$i])) {
                if (method_exists($this->_widgets[$i], 'setLabel')) {
                    $this->_widgets[$i]->setLabel($label);
                    return;
                }
            }
        }
    }
    
    function hasSubmit($selector) {
        foreach ($this->_buttons as $button) {
            if ($selector->isMatch($button)) {
                return true;
            }
        }
        return false;
    }
    
    function hasImage($selector) {
        foreach ($this->_images as $image) {
            if ($selector->isMatch($image)) {
                return true;
            }
        }
        return false;
    }
    
    function submitButton($selector, $additional = false) {
        $additional = $additional ? $additional : array();
        foreach ($this->_buttons as $button) {
            if ($selector->isMatch($button)) {
                $encoding = $this->_encode();
                $button->write($encoding);
                if ($additional) {
                    $encoding->merge($additional);
                }
                return $encoding;           
            }
        }
        return false;
    }
        
    function submitImage($selector, $x, $y, $additional = false) {
        $additional = $additional ? $additional : array();
        foreach ($this->_images as $image) {
            if ($selector->isMatch($image)) {
                $encoding = $this->_encode();
                $image->write($encoding, $x, $y);
                if ($additional) {
                    $encoding->merge($additional);
                }
                return $encoding;           
            }
        }
        return false;
    }
    
    function submit() {
        return $this->_encode();
    }
}
?>