1 | <?php |
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2 | |||
3 | /* For licensing terms, see /license.txt */ |
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4 | |||
5 | /** |
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6 | * Class Draggable. |
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7 | * |
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8 | * @author Angel Fernando Quiroz Campos <[email protected]> |
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9 | */ |
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10 | class Draggable extends Question |
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11 | { |
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12 | public $typePicture = 'ordering.png'; |
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13 | public $explanationLangVar = 'Draggable'; |
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14 | |||
15 | /** |
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16 | * Class constructor. |
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17 | */ |
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18 | public function __construct() |
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19 | { |
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20 | parent::__construct(); |
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21 | $this->type = DRAGGABLE; |
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22 | $this->isContent = $this->getIsContent(); |
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23 | } |
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24 | |||
25 | /** |
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26 | * {@inheritdoc} |
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27 | */ |
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28 | public function createAnswersForm($form) |
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29 | { |
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30 | $defaults = []; |
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31 | $nb_matches = $nb_options = 2; |
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32 | $matches = []; |
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33 | $answer = null; |
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34 | if ($form->isSubmitted()) { |
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35 | $nb_matches = $form->getSubmitValue('nb_matches'); |
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36 | $nb_options = $form->getSubmitValue('nb_options'); |
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37 | |||
38 | if (isset($_POST['lessMatches'])) { |
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39 | $nb_matches--; |
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40 | } |
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41 | |||
42 | if (isset($_POST['moreMatches'])) { |
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43 | $nb_matches++; |
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44 | } |
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45 | |||
46 | if (isset($_POST['lessOptions'])) { |
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47 | $nb_options--; |
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48 | } |
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49 | |||
50 | if (isset($_POST['moreOptions'])) { |
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51 | $nb_options++; |
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52 | } |
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53 | } elseif (!empty($this->iid)) { |
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54 | $defaults['orientation'] = in_array($this->extra, ['h', 'v']) ? $this->extra : 'h'; |
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55 | |||
56 | $answer = new Answer($this->iid); |
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57 | $answer->read(); |
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58 | |||
59 | if ($answer->nbrAnswers > 0) { |
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60 | $nb_matches = $nb_options = 0; |
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61 | for ($i = 1; $i <= $answer->nbrAnswers; $i++) { |
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62 | if ($answer->isCorrect($i)) { |
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63 | $nb_matches++; |
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64 | $defaults['answer['.$nb_matches.']'] = $answer->selectAnswer($i); |
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65 | $defaults['weighting['.$nb_matches.']'] = float_format($answer->selectWeighting($i), 1); |
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66 | $answerInfo = $answer->getAnswerByAutoId($answer->correct[$i]); |
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67 | $defaults['matches['.$nb_matches.']'] = isset($answerInfo['answer']) ? $answerInfo['answer'] : ''; |
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68 | } else { |
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69 | $nb_options++; |
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70 | $defaults['option['.$nb_options.']'] = $answer->selectAnswer($i); |
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71 | } |
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72 | } |
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73 | } |
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74 | } else { |
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75 | $defaults['answer[1]'] = get_lang('DefaultMakeCorrespond1'); |
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76 | $defaults['answer[2]'] = get_lang('DefaultMakeCorrespond2'); |
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77 | $defaults['matches[2]'] = '2'; |
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78 | $defaults['option[1]'] = get_lang('DefaultMatchingOptA'); |
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79 | $defaults['option[2]'] = get_lang('DefaultMatchingOptB'); |
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80 | $defaults['orientation'] = 'h'; |
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81 | } |
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82 | |||
83 | for ($i = 1; $i <= $nb_matches; $i++) { |
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84 | $matches[$i] = $i; |
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85 | } |
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86 | |||
87 | $form->addElement('hidden', 'nb_matches', $nb_matches); |
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88 | $form->addElement('hidden', 'nb_options', $nb_options); |
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89 | |||
90 | $form->addRadio( |
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91 | 'orientation', |
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92 | get_lang('ChooseOrientation'), |
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93 | ['h' => get_lang('Horizontal'), 'v' => get_lang('Vertical')] |
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94 | ); |
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95 | |||
96 | // DISPLAY MATCHES |
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97 | $html = '<table class="table table-striped table-hover"> |
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98 | <thead> |
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99 | <tr> |
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100 | <th width="85%">'.get_lang('Answer').'</th> |
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101 | <th width="15%">'.get_lang('MatchesTo').'</th> |
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102 | <th width="10">'.get_lang('Weighting').'</th> |
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103 | </tr> |
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104 | </thead> |
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105 | <tbody>'; |
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106 | |||
107 | $form->addHeader(get_lang('MakeCorrespond')); |
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108 | $form->addHtml($html); |
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109 | |||
110 | if ($nb_matches < 1) { |
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111 | $nb_matches = 1; |
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112 | echo Display::return_message(get_lang('YouHaveToCreateAtLeastOneAnswer'), 'normal'); |
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113 | } |
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114 | |||
115 | for ($i = 1; $i <= $nb_matches; $i++) { |
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116 | $renderer = &$form->defaultRenderer(); |
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117 | $renderer->setElementTemplate( |
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118 | '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->{element}</td>', |
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119 | "answer[$i]" |
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120 | ); |
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121 | |||
122 | $renderer->setElementTemplate( |
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123 | '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->{element}</td>', |
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124 | "matches[$i]" |
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125 | ); |
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126 | |||
127 | $renderer->setElementTemplate( |
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128 | '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->{element}</td>', |
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129 | "weighting[$i]" |
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130 | ); |
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131 | |||
132 | $form->addHtml('<tr>'); |
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133 | $form->addText("answer[$i]", null); |
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134 | $form->addSelect("matches[$i]", null, $matches); |
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135 | $form->addText("weighting[$i]", null, true, ['value' => 10, 'style' => 'width: 60px;']); |
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136 | $form->addHtml('</tr>'); |
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137 | } |
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138 | |||
139 | $form->addHtml('</tbody></table>'); |
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140 | |||
141 | $renderer->setElementTemplate( |
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142 | '<div class="form-group"><div class="col-sm-offset-2">{element}', |
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143 | 'lessMatches' |
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144 | ); |
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145 | $renderer->setElementTemplate('{element}</div></div>', 'moreMatches'); |
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146 | |||
147 | global $text; |
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148 | |||
149 | $group = [ |
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150 | $form->addButtonDelete(get_lang('DelElem'), 'lessMatches', true), |
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151 | $form->addButtonCreate(get_lang('AddElem'), 'moreMatches', true), |
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152 | $form->addButtonSave($text, 'submitQuestion', true), |
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153 | ]; |
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154 | |||
155 | $form->addGroup($group); |
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156 | |||
157 | if (!empty($this->iid)) { |
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158 | $form->setDefaults($defaults); |
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159 | } else { |
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160 | $form->setDefaults(['orientation' => 'h']); |
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161 | |||
162 | if (1 == $this->isContent) { |
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163 | $form->setDefaults($defaults); |
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164 | } |
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165 | } |
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166 | |||
167 | $form->setConstants( |
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168 | [ |
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169 | 'nb_matches' => $nb_matches, |
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170 | 'nb_options' => $nb_options, |
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171 | ] |
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172 | ); |
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173 | } |
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174 | |||
175 | /** |
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176 | * {@inheritdoc} |
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177 | */ |
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178 | public function processAnswersCreation($form, $exercise) |
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179 | { |
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180 | $this->extra = $form->exportValue('orientation'); |
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181 | $nb_matches = $form->getSubmitValue('nb_matches'); |
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182 | $this->weighting = 0; |
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183 | $position = 0; |
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184 | $objAnswer = new Answer($this->iid); |
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185 | // Insert the options |
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186 | for ($i = 1; $i <= $nb_matches; $i++) { |
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187 | $position++; |
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188 | $objAnswer->createAnswer($position, 0, '', 0, $position); |
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189 | } |
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190 | |||
191 | // Insert the answers |
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192 | for ($i = 1; $i <= $nb_matches; $i++) { |
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193 | $position++; |
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194 | $answer = $form->getSubmitValue('answer['.$i.']'); |
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195 | $matches = $form->getSubmitValue('matches['.$i.']'); |
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196 | $weighting = $form->getSubmitValue('weighting['.$i.']'); |
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197 | $this->weighting += $weighting; |
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198 | $objAnswer->createAnswer( |
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199 | $answer, |
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200 | $matches, |
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201 | '', |
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202 | $weighting, |
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203 | $position |
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204 | ); |
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205 | } |
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206 | |||
207 | $objAnswer->save(); |
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208 | $this->save($exercise); |
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209 | } |
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210 | |||
211 | /** |
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212 | * {@inheritdoc} |
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213 | */ |
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214 | public function return_header(Exercise $exercise, $counter = null, $score = []) |
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215 | { |
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216 | $header = parent::return_header($exercise, $counter, $score); |
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217 | $header .= '<table class="'.$this->question_table_class.'"><tr>'; |
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218 | |||
219 | if ($exercise->showExpectedChoice()) { |
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220 | $header .= '<th>'.get_lang('YourChoice').'</th>'; |
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221 | if ($exercise->showExpectedChoiceColumn()) { |
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222 | $header .= '<th>'.get_lang('ExpectedChoice').'</th>'; |
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223 | } |
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224 | } else { |
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225 | $header .= '<th>'.get_lang('ElementList').'</th>'; |
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226 | } |
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227 | $header .= '<th>'.get_lang('Status').'</th>'; |
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228 | $header .= '</tr>'; |
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229 | |||
230 | return $header; |
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231 | } |
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232 | } |
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233 |