| 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 | // 'answers' is an object containing |
| 21 | // 'inputs'(array), |
| 22 | // 'displayAll'(bool), //TODO: should be in questions! |
| 23 | // 'showSolution'(bool), |
| 24 | // 'indices': order of appearance |
| 25 | // 'index': current integer index (focused question) |
| 26 | props: ['questions','answers'], |
| 27 | // TODO: general render function for nested exercises |
| 28 | // There should be a questions navigator below, or next (visible if display=='all') |
| 29 | // Full questions tree is rendered, but some parts hidden depending on display settings |
| 30 | render(h) { |
| 31 | // TODO: render nothing if answers is empty |
| 32 | let domTree = (this.questions || [ ]).map( (q,i) => { |
| 33 | let questionContent = [ ]; |
| 34 | questionContent.push( |
| 35 | h( |
| 36 | "div", |
| 37 | { |
| 38 | "class": { |
| 39 | wording: true, |
| 40 | }, |
| 41 | domProps: { |
| 42 | innerHTML: q.wording, |
| 43 | }, |
| 44 | } |
| 45 | ) |
| 46 | ); |
| 47 | let optionsOrder = _.range(q.options.length); |
| 48 | if (!q.fixed) |
| 49 | optionsOrder = _.shuffle(optionsOrder); |
| 50 | let optionList = [ ]; |
| 51 | optionsOrder.forEach( idx => { |
| 52 | let option = [ ]; |
| 53 | option.push( |
| 54 | h( |
| 55 | "input", |
| 56 | { |
| 57 | domProps: { |
| 58 | checked: this.answers.inputs.length > 0 && this.answers.inputs[i][idx], |
| 59 | disabled: monitoring, |
| 60 | }, |
| 61 | attrs: { |
| 62 | id: this.inputId(i,idx), |
| 63 | type: "checkbox", |
| 64 | }, |
| 65 | on: { |
| 66 | change: e => { this.answers.inputs[i][idx] = e.target.checked; }, |
| 67 | }, |
| 68 | }, |
| 69 | [ '' ] //to work in Firefox 45.9 ESR @ ENSTA... |
| 70 | ) |
| 71 | ); |
| 72 | option.push( |
| 73 | h( |
| 74 | "label", |
| 75 | { |
| 76 | domProps: { |
| 77 | innerHTML: q.options[idx], |
| 78 | }, |
| 79 | attrs: { |
| 80 | "for": this.inputId(i,idx), |
| 81 | }, |
| 82 | } |
| 83 | ) |
| 84 | ); |
| 85 | optionList.push( |
| 86 | h( |
| 87 | "div", |
| 88 | { |
| 89 | "class": { |
| 90 | option: true, |
| 91 | choiceCorrect: this.answers.showSolution && this.questions[i].answer.includes(idx), |
| 92 | choiceWrong: this.answers.showSolution && this.answers.inputs[i][idx] && !q.answer.includes(idx), |
| 93 | }, |
| 94 | }, |
| 95 | option |
| 96 | ) |
| 97 | ); |
| 98 | }); |
| 99 | questionContent.push( |
| 100 | h( |
| 101 | "div", |
| 102 | { |
| 103 | "class": { |
| 104 | optionList: true, |
| 105 | }, |
| 106 | }, |
| 107 | optionList |
| 108 | ) |
| 109 | ); |
| 110 | if (this.answers.displayAll && i < this.questions.length-1) |
| 111 | questionContent.push( h("hr") ); |
| 112 | return h( |
| 113 | "div", |
| 114 | { |
| 115 | "class": { |
| 116 | "question": true, |
| 117 | "hide": !this.answers.displayAll && this.answers.indices[this.answers.index] != i, |
| 118 | }, |
| 119 | }, |
| 120 | questionContent |
| 121 | ); |
| 122 | }); |
| 123 | return h( |
| 124 | "div", |
| 125 | { |
| 126 | attrs: { |
| 127 | id: "statements", |
| 128 | }, |
| 129 | }, |
| 130 | domTree |
| 131 | ); |
| 132 | }, |
| 133 | mounted: function() { |
| 134 | statementsLibsRefresh(); |
| 135 | }, |
| 136 | updated: function() { |
| 137 | // TODO: next line shouldn't be required: questions wordings + answer + options |
| 138 | // are processed earlier; their content should be updated at this time. |
| 139 | statementsLibsRefresh(); |
| 140 | }, |
| 141 | methods: { |
| 142 | inputId: function(i,j) { |
| 143 | return "q" + i + "_" + "input" + j; |
| 144 | }, |
| 145 | }, |
| 146 | }); |