Fixes
[vchess.git] / client / src / components / BaseGame.vue
index e880de5..630c838 100644 (file)
@@ -1,5 +1,5 @@
 <template lang="pug">
-div
+div#baseGame(tabindex=-1 @click="() => focusBg()" @keydown="handleKeys")
   input#modalEog.modal(type="checkbox")
   div(role="dialog" aria-labelledby="eogMessage")
     .card.smallpad.small-modal.text-center
@@ -11,11 +11,11 @@ div
         :user-color="game.mycolor" :orientation="orientation"
         :vname="game.vname" @play-move="play")
       .button-group
-        button(@click="() => play()") Play
-        button(@click="() => undo()") Undo
-        button(@click="flip") Flip
-        button(@click="gotoBegin") GotoBegin
-        button(@click="gotoEnd") GotoEnd
+        button(@click="gotoBegin") <<
+        button(@click="() => undo()") <
+        button(@click="flip") &#8645;
+        button(@click="() => play()") >
+        button(@click="gotoEnd") >>
       #fenDiv(v-if="showFen && !!vr")
         p(@click="gotoFenContent") {{ vr.getFen() }}
       #pgnDiv
@@ -51,6 +51,7 @@ export default {
       moves: [],
       cursor: -1, //index of the move just played
       lastMove: null,
+      gameHasEnded: false, //to avoid showing end message twice
     };
   },
   watch: {
@@ -63,8 +64,11 @@ export default {
       this.play(this.game.moveToPlay, "receive", this.game.vname=="Dark");
     },
     "game.score": function(score) {
-      if (score != "*")
-        this.endGame(score, this.game.scoreMsg);
+      if (!this.gameHasEnded && score != "*")
+      {
+        // "false" says "don't bubble up": the parent already knows
+        this.endGame(score, this.game.scoreMsg, false);
+      }
     },
   },
   computed: {
@@ -84,10 +88,37 @@ export default {
       this.re_setVariables();
   },
   methods: {
+    focusBg: function() {
+      // TODO: small blue border appears...
+      document.getElementById("baseGame").focus();
+    },
+    handleKeys: function(e) {
+      if ([32,37,38,39,40].includes(e.keyCode))
+        e.preventDefault();
+      switch (e.keyCode)
+      {
+        case 37:
+          this.undo();
+          break;
+        case 39:
+          this.play();
+          break;
+        case 38:
+          this.gotoBegin();
+          break;
+        case 40:
+          this.gotoEnd();
+          break;
+        case 32:
+          this.flip();
+          break;
+      }
+    },
     re_setVariables: function() {
       this.endgameMessage = "";
       this.orientation = this.game.mycolor || "w"; //default orientation for observed games
       this.score = this.game.score || "*"; //mutable (if initially "*")
+      this.gameHasEnded = (this.score != "*");
       this.moves = JSON.parse(JSON.stringify(this.game.moves || []));
       // Post-processing: decorate each move with color + current FEN:
       // (to be able to jump to any position quickly)
@@ -100,6 +131,12 @@ export default {
         vr_tmp.play(move);
         move.fen = vr_tmp.getFen();
       });
+      if (this.game.fenStart.indexOf(" b ") >= 0 ||
+        (this.moves.length > 0 && this.moves[0].color == "b"))
+      {
+        // 'end' is required for Board component to check lastMove for e.p.
+        this.moves.unshift({color: "w", notation: "...", end: {x:-1,y:-1}});
+      }
       const L = this.moves.length;
       this.cursor = L-1;
       this.lastMove = (L > 0 ? this.moves[L-1]  : null);
@@ -166,12 +203,14 @@ export default {
       modalBox.checked = true;
       setTimeout(() => { modalBox.checked = false; }, 2000);
     },
-    endGame: function(score, message) {
+    endGame: function(score, message, bubbleUp) {
+      this.gameHasEnded = true;
       this.score = score;
       if (!message)
         message = this.getScoreMessage(score);
       this.showEndgameMsg(score + " . " + message);
-      this.$emit("gameover", score);
+      if (bubbleUp)
+        this.$emit("gameover", score);
     },
     animateMove: function(move) {
       let startSquare = document.getElementById(getSquareId(move.start));
@@ -253,7 +292,7 @@ export default {
       if (score != "*")
       {
         if (!this.analyze)
-          this.endGame(score);
+          this.endGame(score, undefined, true);
         else
         {
           // Just show score on screen (allow undo)
@@ -286,8 +325,16 @@ export default {
     },
     gotoBegin: function() {
       this.vr.re_init(this.game.fenStart);
-      this.cursor = -1;
-      this.lastMove = null;
+      if (this.moves.length > 0 && this.moves[0].notation == "...")
+      {
+        this.cursor = 0;
+        this.lastMove = this.moves[0];
+      }
+      else
+      {
+        this.cursor = -1;
+        this.lastMove = null;
+      }
     },
     gotoEnd: function() {
       this.gotoMove(this.moves.length-1);