client/src/views/Rules.vue

   1 <template lang="pug">
   2 main
   3   .row
   4     .col-sm-12.col-md-10.col-md-offset-1.col-lg-8.col-lg-offset-2
   5       .button-group
   6         button(@click="clickReadRules()") {{ st.tr["Rules"] }}
   7         button(
   8           v-show="!gameInProgress"
   9           @click="startGame('auto')"
  10         )
  11           | {{ st.tr["Example game"] }}
  12         button(
  13           v-show="!gameInProgress"
  14           @click="startGame('versus')"
  15         )
  16           | {{ st.tr["Practice"] }}
  17         button(
  18           v-show="gameInProgress"
  19           @click="stopGame()"
  20         )
  21           | {{ st.tr["Stop game"] }}
  22         button(
  23           v-if="showAnalyzeBtn"
  24           @click="gotoAnalyze()"
  25         )
  26           | {{ st.tr["Analysis mode"] }}
  27   .row
  28     .col-sm-12.col-md-8.col-md-offset-2.col-lg-6.col-lg-offset-3
  29       h4#variantName(v-show="display=='rules'") {{ gameInfo.vname }}
  30       div(
  31         v-show="display=='rules'"
  32         v-html="content"
  33       )
  34   ComputerGame(
  35     ref="compgame"
  36     v-show="display=='computer'"
  37     :game-info="gameInfo"
  38     @game-stopped="gameStopped"
  39   )
  40 </template>
  41
  42 <script>
  43 import ComputerGame from "@/components/ComputerGame.vue";
  44 import { store } from "@/store";
  45 import { replaceByDiag } from "@/utils/printDiagram";
  46 import { CompgameStorage } from "@/utils/compgameStorage";
  47 export default {
  48   name: "my-rules",
  49   components: {
  50     ComputerGame
  51   },
  52   data: function() {
  53     return {
  54       st: store.state,
  55       display: "rules",
  56       gameInProgress: false,
  57       // variables passed to ComputerGame:
  58       gameInfo: {
  59         vname: "",
  60         mode: "versus",
  61       },
  62       V: null,
  63     };
  64   },
  65   watch: {
  66     $route: function(newRoute) {
  67       this.re_setVariant(newRoute.params["vname"]);
  68     }
  69   },
  70   created: function() {
  71     // NOTE: variant cannot be set before store is initialized
  72     this.re_setVariant(this.$route.params["vname"]);
  73   },
  74   computed: {
  75     showAnalyzeBtn: function() {
  76       return !!this.V && this.V.CanAnalyze;
  77     },
  78     content: function() {
  79       if (!this.gameInfo.vname) return ""; //variant not set yet
  80       // (AJAX) Request to get rules content (plain text, HTML)
  81       return (
  82         require(
  83           "raw-loader!@/translations/rules/" +
  84           this.gameInfo.vname + "/" +
  85           this.st.lang + ".pug"
  86           ).default
  87         .replace('export default "', "")
  88         .replace(/";$/, "")
  89         // Next two lines fix a weird issue after last update (2019-11)
  90         .replace(/\\n/g, " ")
  91         .replace(/\\"/g, '"')
  92         .replace(/(fen:)([^:]*):/g, replaceByDiag)
  93       );
  94     }
  95   },
  96   methods: {
  97     clickReadRules: function() {
  98       if (this.display != "rules") this.display = "rules";
  99       else if (this.gameInProgress) this.display = "computer";
 100     },
 101     re_setVariant: async function(vname) {
 102       const key = "rr_" + vname;
 103       if (!localStorage.getItem(key))
 104         // Mark rules as "read"
 105         localStorage.setItem(key, '1');
 106       await import("@/variants/" + vname + ".js")
 107       .then((vModule) => {
 108         this.V = window.V = vModule[vname + "Rules"];
 109         this.gameInfo.vname = vname;
 110       })
 111       .catch((err) => {
 112         // Soon after component creation, st.tr might be uninitialized.
 113         // Set a timeout to let a chance for the message to show translated.
 114         const text = "Mispelled variant name";
 115         setTimeout(() => {
 116           alert(this.st.tr[text] || text);
 117           this.$router.replace("/variants");
 118         }, 500);
 119       });
 120     },
 121     startGame: function(mode) {
 122       if (this.gameInProgress) return;
 123       this.gameInProgress = true;
 124       this.display = "computer";
 125       this.gameInfo.mode = mode;
 126       if (this.gameInfo.mode == "versus") {
 127         CompgameStorage.get(this.gameInfo.vname, (game) => {
 128           // NOTE: game might be null
 129           this.$refs["compgame"].launchGame(game);
 130         });
 131       } else {
 132         this.$refs["compgame"].launchGame();
 133       }
 134     },
 135     // The user wants to stop the game:
 136     stopGame: function() {
 137       this.$refs["compgame"].gameOver("?", "Undetermined result");
 138     },
 139     // The game is effectively stopped:
 140     gameStopped: function() {
 141       this.gameInProgress = false;
 142       if (this.gameInfo.mode == "versus")
 143         CompgameStorage.remove(this.gameInfo.vname);
 144     },
 145     gotoAnalyze: function() {
 146       this.$router.push(
 147         "/analyse/" + this.gameInfo.vname +
 148         "/?fen=" + V.GenRandInitFen(this.st.settings.randomness)
 149       );
 150     }
 151   }
 152 };
 153 </script>
 154
 155 <!-- NOTE: not scoped here, because HTML is injected -->
 156 <style lang="sass">
 157 @import "@/styles/_board_squares_img.sass"
 158 @import "@/styles/_rules.sass"
 159 </style>
 160
 161 <style lang="sass" scoped>
 162 h4#variantName
 163   text-align: center
 164   font-weight: bold
 165 </style>