Failed attempt for marseilleChess with a template: back to render function

[vchess.git] / client / src / components / MoveList.vue

<template lang="pug">
div
  #scoreInfo(v-if="score!='*'")
    p {{ score }}
    p {{ message }}
  table.moves-list
    tbody
      tr(v-for="gmove,index in groupedMoves")
        td(v-if="index%2==0")
          | {{ firstNum + index / 2 + 1 }}
        td(:class="{'highlight-lm': cursor == moveIdx}"
            @click="() => gotoMove(moveIdx)")
          | {{ moves[moveIdx].notation }}
        td(v-if="moveIdx < moves.length-1"
            :class="{'highlight-lm': cursor == moveIdx+1}"
            @click="() => gotoMove(moveIdx+1)")
          | {{ moves[moveIdx+1].notation }}
        // Else: just add an empty cell
        td(v-else)
</template>

<script>
// Component for moves list on the right
export default {
  name: 'my-move-list',
	props: ["moves","cursor","score","message","firstNum"],
  watch: {
    cursor: function(newValue) {
      if (window.innerWidth <= 767)
        return; //moves list is below: scrolling would hide chessboard
      if (newValue < 0)
        newValue = 0; //avoid rows[-1] --> error
      // $nextTick to wait for table > tr to be rendered
      this.$nextTick( () => {
        let rows = document.querySelectorAll('#movesList tr');
        if (rows.length > 0)
        {
          rows[Math.floor(newValue/2)].scrollIntoView({
            behavior: "auto",
            block: "nearest",
          });
        }
      });
    },
  },
  computed: {
    groupedMoves: function() {
      let groups = [];
      let curCol = undefined;
      for (let idx=0; idx < this.moves.length; idx++)
      {
        const m = this.moves[idx];
        if (m.color == curCol)
        {
          const gidx = groups.length - 1;
          groups[gidx].moves.push(m);
        }
        else
        {
          curCol = m.color;
          groups.push({moves: [m], idx: groups.length});
        }
      }
      return groups;
    },
  },
  methods: {
		gotoMove: function(index) {
			this.$emit("goto-move", index);
		},
	},
};
</script>

<style lang="sass" scoped>
.moves-list
  min-width: 250px
@media screen and (max-width: 767px)
  .moves-list
    tr
      display: flex
      margin: 0
      padding: 0
      td
        text-align: left
td.highlight-lm
  background-color: plum
</style>