public/javascripts/components/problems.js

   1 Vue.component('my-problems', {
   2     data: function () {
   3         return {
   4             problems: [], //oldest first
   5             myProblems: [], //same
   6             curIdx: 0, //index in problems array
   7             stage: "nothing", //or "preview" after new problem is filled
   8             newProblem: {
   9                 fen: "",
  10                 instructions: "",
  11                 solution: "",
  12             },
  13         };
  14     },
  15     template: `
  16         <div class="col-sm-12 col-md-10 col-md-offset-1 col-lg-8 col-lg-offset-2">
  17             <div id="problemControls" class="button-group">
  18                 <button :aria-label='translate("Load previous problem")' class="tooltip"
  19                         @click="showPreviousProblem()">
  20                     <i class="material-icons">skip_previous</i>
  21                 </button>
  22                 <button :aria-label='translate("Add a problem")' class="tooltip"
  23                         @click="showNewproblemModal">
  24                     {{ translate("New") }}
  25                 </button>
  26                 <button :aria-label='translate("Load next problem")' class="tooltip"
  27                         @click="showNextProblem()">
  28                     <i class="material-icons">skip_next</i>
  29                 </button>
  30             </div>
  31
  32
  33
  34 board qui bouge et activé que si #hash donnant numéro du problème
  35 deux listes : tous les problèmes sauf les miens
  36               + les miens
  37
  38
  39 //TODO: filter "my problems" ==> liste séparée (lors de la requête serveur)
  40 --> bouton plutôt sous l'échiquier après soluce (sauf si anonymous)
  41 --> puis dans la vue "my problems (listing échiquier gauche / instrus + soluce cachée à droite
  42 if (this.mode == "problem")
  43             {
  44                 // Show problem instructions
  45                 elementArray.push(
  46                     h('div',
  47                         {
  48                             attrs: { id: "instructions-div" },
  49                             "class": {
  50                                 "clearer": true,
  51                                 "section-content": true,
  52                             },
  53                         },
  54                         [
  55                             h('p',
  56                                 {
  57                                     attrs: { id: "problem-instructions" },
  58                                     domProps: { innerHTML: this.problem.instructions }
  59                                 }
  60                             )
  61                         ]
  62                     )
  63                 );
  64             }
  65
  66
  67             // TODO ici :: instrus + diag interactif + solution
  68             my-board + pilotage via movesList + VariantRules !
  69
  70             <my-problem-preview v-show="stage=='preview'"
  71                 v-for="(p,idx) in problems"
  72                 v-bind:prob="p" v-bind:preview="false" v-bind:key="idx">
  73             </my-problem-summary>
  74             if (this.mode == "problem")
  75             {
  76                 // Show problem solution (on click)
  77                 elementArray.push(
  78                     h('div',
  79                         {
  80                             attrs: { id: "solution-div" },
  81                             "class": { "section-content": true },
  82                         },
  83                         [
  84                             h('h3',
  85                                 {
  86                                     "class": { clickable: true },
  87                                     domProps: { innerHTML: translations["Show solution"] },
  88                                     on: { click: this.toggleShowSolution },
  89                                 }
  90                             ),
  91                             h('p',
  92                                 {
  93                                     attrs: { id: "problem-solution" },
  94                                     domProps: { innerHTML: this.problem.solution }
  95                                 }
  96                             )
  97                         ]
  98                     )
  99                 );
 100             }
 101
 102             <input type="checkbox" id="modal-newproblem" class="modal">
 103             <div role="dialog" aria-labelledby="newProblemTxt">
 104                 <div v-show="stage=='nothing'" class="card newproblem-form">
 105                     <label for="modal-newproblem" class="modal-close"></label>
 106                     <h3 id="newProblemTxt">{{ translate("Add a problem") }}</h3>
 107                     <form @submit.prevent="previewNewProblem">
 108                         <fieldset>
 109                             <label for="newpbFen">FEN</label>
 110                             <input id="newpbFen" type="text" v-model="newProblem.fen"
 111                                 :placeholder='translate("Full FEN description")'/>
 112                         </fieldset>
 113                         <fieldset>
 114                             <p class="emphasis">{{ translate("Safe HTML tags allowed") }}</p>
 115                             <label for="newpbInstructions">{{ translate("Instructions") }}</label>
 116                             <textarea id="newpbInstructions" v-model="newProblem.instructions"
 117                                 :placeholder='translate("Describe the problem goal")'></textarea>
 118                             <label for="newpbSolution">{{ translate("Solution") }}</label>
 119                             <textarea id="newpbSolution" v-model="newProblem.solution"
 120                                 :placeholder='translate("How to solve the problem?")'></textarea>
 121                             <button class="center-btn">{{ translate("Preview") }}</button>
 122                         </fieldset>
 123                     </form>
 124                 </div>
 125                 <div v-show="stage=='preview'" class="card newproblem-preview">
 126                     <label for="modal-newproblem" class="modal-close"></label>
 127                     <my-problem-preview v-bind:prob="newProblem"></my-problem-summary>
 128                     <div class="button-group">
 129                         <button @click="newProblem.stage='nothing'">{{ translate("Cancel") }}</button>
 130                         <button @click="sendNewProblem()">{{ translate("Send") }}</button>
 131                     </div>
 132                 </div>
 133             </div>
 134         </div>
 135     `,
 136     computed: {
 137         sortedProblems: function() {
 138             // Newest problem first
 139         },
 140     },
 141     created: function() {
 142         // Analyse URL: if a single problem required, show it. Otherwise,
 143         // TODO: fetch most recent problems from server
 144         // If the requested problem is in the list, just show it
 145     },
 146     methods: {
 147         translate: function(text) {
 148             return translations[text];
 149         },
 150         // TODO: obsolete:
 151 //      // Propagate "show problem" event to parent component (my-variant)
 152 //      bubbleUp: function(problem) {
 153 //          this.$emit('show-problem', JSON.stringify(problem));
 154 //      },
 155         toggleShowSolution: function() {
 156             let problemSolution = document.getElementById("problem-solution");
 157             problemSolution.style.display =
 158                 !problemSolution.style.display || problemSolution.style.display == "none"
 159                     ? "block"
 160                     : "none";
 161         },
 162         showPreviousProblem: function() {
 163             if (this.curIdx == 0)
 164                 this.fetchProblems("backward");
 165             else
 166                 this.curIdx--;
 167         },
 168         showNextProblem: function() {
 169             if (this.curIdx == this.problems.length - 1)
 170                 this.fetchProblems("forward");
 171             else
 172                 this.curIdx++;
 173         },
 174         // TODO: modal "no more problems"
 175         fetchProblems: function(direction) {
 176             if (this.problems.length == 0)
 177                 return; //what could we do?!
 178             // Search for newest date (or oldest)
 179             let last_dt = this.problems[0].added;
 180             for (let i=0; i<this.problems.length; i++)
 181             {
 182                 if ((direction == "forward" && this.problems[i].added > last_dt) ||
 183                     (direction == "backward" && this.problems[i].added < last_dt))
 184                 {
 185                     last_dt = this.problems[i].added;
 186                 }
 187             }
 188             ajax("/problems/" + variant.name, "GET", { //TODO: use variant._id ?
 189                 direction: direction,
 190                 last_dt: last_dt,
 191             }, response => {
 192                 if (response.problems.length > 0)
 193                 {
 194                     this.problems = response.problems
 195                         .sort((p1,p2) => { return p1.added - p2.added; });
 196                     this.curIdx = response.problems.length - 1;
 197                 }
 198             });
 199         },
 200         showNewproblemModal: function() {
 201             document.getElementById("modal-newproblem").checked = true;
 202         },
 203         previewNewProblem: function() {
 204             if (!V.IsGoodFen(this.newProblem.fen))
 205                 return alert(translations["Bad FEN description"]);
 206             if (this.newProblem.instructions.trim().length == 0)
 207                 return alert(translations["Empty instructions"]);
 208             if (this.newProblem.solution.trim().length == 0)
 209                 return alert(translations["Empty solution"]);
 210             this.newProblem.stage = "preview";
 211         },
 212         sendNewProblem: function() {
 213             // Send it to the server and close modal
 214             ajax("/problems/" + variant.name, "POST", { //TODO: with variant._id ?
 215                 fen: this.newProblem.fen,
 216                 instructions: this.newProblem.instructions,
 217                 solution: this.newProblem.solution,
 218             }, response => {
 219                 this.newProblem.added = Date.now();
 220                 this.problems.push(JSON.parse(JSON.stringify(this.newProblem)));
 221                 document.getElementById("modal-newproblem").checked = false;
 222                 this.newProblem.stage = "nothing";
 223             });
 224         },
 225     },
 226 })
 227
 228 // TODO:
 229 // possibilité de supprimer / éditer si peer ID reconnu comme celui du probleme (champ "uploader")