| 1 | /* |
| 2 | * questions group by index prefix 1.2.3 1.1 ...etc --> '1' |
| 3 | |
| 4 | NOTE: questions can contain parameterized exercises (how ? |
| 5 | --> describe variables (syntax ?) |
| 6 | --> write javascript script (OK, users trusted ? ==> safe mode possible if public website) |
| 7 | Imaginary example: (using math.js) |
| 8 | <params> (avant l'exo) |
| 9 | x: math.random() |
| 10 | y: math.random() |
| 11 | M: math.matrix([[7, x], [y, -3]]); |
| 12 | res: math.det(M) |
| 13 | </params> |
| 14 | <div>Calculer le déterminant de |
| 15 | $$\begin{matrix}7 & x\\y & -3\end{matrix}$$</div> |
| 16 | * ... |
| 17 | */ |
| 18 | |
| 19 | Vue.component("statements", { |
| 20 | // 'inputs': array of index (as in questions) + input (text or array of ints) |
| 21 | // display: 'all', 'one', 'solution' |
| 22 | // iidx: current level-0 integer index (can match a group of questions / inputs) |
| 23 | props: ['questions','inputs','display','iidx'], |
| 24 | data: function() { |
| 25 | return { |
| 26 | displayStyle: "compact", //or "all": all on same page |
| 27 | }; |
| 28 | } |
| 29 | // Full questions tree is rendered, but some parts hidden depending on display settings |
| 30 | render(h) { |
| 31 | let domTree = (this.questions || [ ]).map( (q,i) => { |
| 32 | let questionContent = [ ]; |
| 33 | questionContent.push( |
| 34 | h( |
| 35 | "h4", |
| 36 | { |
| 37 | "class": { |
| 38 | "questionIndex": true, |
| 39 | } |
| 40 | }, |
| 41 | q.index |
| 42 | ) |
| 43 | ); |
| 44 | questionContent.push( |
| 45 | h( |
| 46 | "div", |
| 47 | { |
| 48 | "class": { |
| 49 | wording: true, |
| 50 | |
| 51 | }, |
| 52 | domProps: { |
| 53 | innerHTML: q.wording, |
| 54 | }, |
| 55 | } |
| 56 | ) |
| 57 | ); |
| 58 | if (!!q.options) |
| 59 | { |
| 60 | // quiz-like question |
| 61 | let optionsOrder = _.range(q.options.length); |
| 62 | if (!q.fixed) |
| 63 | optionsOrder = _.shuffle(optionsOrder); |
| 64 | let optionList = [ ]; |
| 65 | optionsOrder.forEach( idx => { |
| 66 | let option = [ ]; |
| 67 | option.push( |
| 68 | h( |
| 69 | "input", |
| 70 | { |
| 71 | domProps: { |
| 72 | checked: this.answers.inputs.length > 0 && this.answers.inputs[i][idx], |
| 73 | disabled: monitoring, |
| 74 | }, |
| 75 | attrs: { |
| 76 | id: this.inputId(i,idx), |
| 77 | type: "checkbox", |
| 78 | }, |
| 79 | on: { |
| 80 | change: e => { this.answers.inputs[i][idx] = e.target.checked; }, |
| 81 | }, |
| 82 | }, |
| 83 | [ '' ] //to work in Firefox 45.9 ESR @ ENSTA... |
| 84 | ) |
| 85 | ); |
| 86 | option.push( |
| 87 | h( |
| 88 | "label", |
| 89 | { |
| 90 | domProps: { |
| 91 | innerHTML: q.options[idx], |
| 92 | }, |
| 93 | attrs: { |
| 94 | "for": this.inputId(i,idx), |
| 95 | }, |
| 96 | } |
| 97 | ) |
| 98 | ); |
| 99 | optionList.push( |
| 100 | h( |
| 101 | "div", |
| 102 | { |
| 103 | "class": { |
| 104 | option: true, |
| 105 | choiceCorrect: this.answers.showSolution && this.questions[i].answer.includes(idx), |
| 106 | choiceWrong: this.answers.showSolution && this.answers.inputs[i][idx] && !q.answer.includes(idx), |
| 107 | }, |
| 108 | }, |
| 109 | option |
| 110 | ) |
| 111 | ); |
| 112 | }); |
| 113 | questionContent.push( |
| 114 | h( |
| 115 | "div", |
| 116 | { |
| 117 | "class": { |
| 118 | optionList: true, |
| 119 | }, |
| 120 | }, |
| 121 | optionList |
| 122 | ) |
| 123 | ); |
| 124 | } |
| 125 | if (this.display == "all" && !this.navigator && i < this.questions.length-1) |
| 126 | questionContent.push( h("hr") ); |
| 127 | const depth = (q.index.match(/\./g) || []).length; |
| 128 | return h( |
| 129 | "div", |
| 130 | { |
| 131 | "class": { |
| 132 | "question": true, |
| 133 | "hide": this.display == "one" && this.iidx != i, |
| 134 | "depth" + depth: true, |
| 135 | }, |
| 136 | }, |
| 137 | questionContent |
| 138 | ); |
| 139 | }); |
| 140 | const navigator = h( |
| 141 | "div", |
| 142 | { |
| 143 | "class": { |
| 144 | "hide": this.displayStyle == "all" |
| 145 | }, |
| 146 | }, |
| 147 | [ |
| 148 | h( |
| 149 | "button", |
| 150 | { |
| 151 | "class": { |
| 152 | "btn": true, |
| 153 | }, |
| 154 | on: { |
| 155 | click: () => { |
| 156 | this.index = Math.max(0, this.index - 1); |
| 157 | }, |
| 158 | }, |
| 159 | }, |
| 160 | [ h("span", { "class": { "material-icon": true } }, "fast_rewind") ] |
| 161 | ), //onclick: index = max(0,index-1) |
| 162 | h("span",{ },(this.iidx+1).toString()), |
| 163 | h( |
| 164 | "button", |
| 165 | { |
| 166 | "class": { |
| 167 | "btn": true, |
| 168 | }, |
| 169 | on: { |
| 170 | click: () => { |
| 171 | this.index = Math.min(this.index+1, this.questions.length-1) |
| 172 | }, |
| 173 | }, |
| 174 | }, |
| 175 | [ h("span", { "class": { "material-icon": true } }, "fast_forward") ] |
| 176 | ) |
| 177 | ] |
| 178 | ); |
| 179 | domTree.push(navigator); |
| 180 | domTree.push( |
| 181 | h( |
| 182 | "button", |
| 183 | { |
| 184 | on: { |
| 185 | click: () => { |
| 186 | this.displayStyle = displayStyle == "compact" ? "all" : "compact"; |
| 187 | }, |
| 188 | }, |
| 189 | }, |
| 190 | this.displayStyle == "compact" ? "Show all" : "Navigator" |
| 191 | ) |
| 192 | ); |
| 193 | return h( |
| 194 | "div", |
| 195 | { |
| 196 | attrs: { |
| 197 | id: "statements", |
| 198 | }, |
| 199 | }, |
| 200 | domTree |
| 201 | ); |
| 202 | }, |
| 203 | mounted: function() { |
| 204 | statementsLibsRefresh(); |
| 205 | }, |
| 206 | updated: function() { |
| 207 | statementsLibsRefresh(); |
| 208 | }, |
| 209 | methods: { |
| 210 | inputId: function(i,j) { |
| 211 | return "q" + i + "_" + "input" + j; |
| 212 | }, |
| 213 | }, |
| 214 | }); |