project-s: テンポ・拍子の表示と設定を行う機能を追加

src/components/Sing/ToolBar.vue

@@ -11,9 +11,46 @@
       <button type="button" class="sing-button-temp">戻る</button>
       <button type="button" class="sing-button-temp">再生</button>
       <div class="sing-player-position">00:00</div>
-      <input type="number" value="120" class="sing-bpm" />
-      <input type="number" value="4" class="sing-tempo" />/
-      <input type="number" value="4" class="sing-tempo" />
+      <q-input
+        type="number"
+        :model-value="tempoInputBuffer"
+        dense
+        hide-bottom-space
+        class="sing-tempo"
+        @update:model-value="setTempoInputBuffer"
+        @change="setTempo()"
+      >
+        <template v-slot:prepend>
+          <div />
+        </template>
+      </q-input>
+      <q-input
+        type="number"
+        :model-value="beatsInputBuffer"
+        dense
+        hide-bottom-space
+        class="sing-time-signature"
+        @update:model-value="setBeatsInputBuffer"
+        @change="setTimeSignature()"
+      >
+        <template v-slot:prepend>
+          <div />
+        </template>
+      </q-input>
+      /
+      <q-input
+        type="number"
+        :model-value="beatTypeInputBuffer"
+        dense
+        hide-bottom-space
+        class="sing-time-signature"
+        @update:model-value="setBeatTypeInputBuffer"
+        @change="setTimeSignature()"
+      >
+        <template v-slot:prepend>
+          <div />
+        </template>
+      </q-input>
     </div>
     <div class="sing-setting">
       <input type="range" min="0" max="100" class="sing-volume" />
@@ -25,7 +62,7 @@
 </template>
 
 <script lang="ts">
-import { defineComponent, computed } from "vue";
+import { defineComponent, computed, watch, ref } from "vue";
 import { useStore } from "@/store";
 
 export default defineComponent({
@@ -62,12 +99,87 @@ export default defineComponent({
         )?.iconPath
     );
 
+    const tempoInputBuffer = ref(0);
+    const beatsInputBuffer = ref(0);
+    const beatTypeInputBuffer = ref(0);
+
+    const setTempoInputBuffer = (tempoStr: string) => {
+      const tempo = Number(tempoStr);
+      if (Number.isNaN(tempo) || tempo <= 0) return;
+      tempoInputBuffer.value = tempo;
+    };
+    const setBeatsInputBuffer = (beatsStr: string) => {
+      const beats = Number(beatsStr);
+      if (!Number.isInteger(beats) || beats <= 0) return;
+      beatsInputBuffer.value = beats;
+    };
+    const setBeatTypeInputBuffer = (beatTypeStr: string) => {
+      const beatType = Number(beatTypeStr);
+      if (!Number.isInteger(beatType) || beatType <= 0) return;
+      beatTypeInputBuffer.value = beatType;
+    };
+
+    const tempos = computed(() => store.state.score?.tempos);
+    const timeSignatures = computed(() => store.state.score?.timeSignatures);
+
+    watch(
+      tempos,
+      () => {
+        tempoInputBuffer.value = tempos.value?.[0].tempo ?? 0;
+      },
+      { deep: true }
+    );
+    watch(
+      timeSignatures,
+      () => {
+        beatsInputBuffer.value = timeSignatures.value?.[0].beats ?? 0;
+      },
+      { deep: true }
+    );
+    watch(
+      timeSignatures,
+      () => {
+        beatTypeInputBuffer.value = timeSignatures.value?.[0].beatType ?? 0;
+      },
+      { deep: true }
+    );
+
+    const setTempo = async () => {
+      const tempo = tempoInputBuffer.value;
+      if (tempo === 0) return;
+      await store.dispatch("SET_TEMPO", {
+        tempo: {
+          position: 0,
+          tempo: tempo,
+        },
+      });
+    };
+
+    const setTimeSignature = async () => {
+      const beats = beatsInputBuffer.value;
+      const beatType = beatTypeInputBuffer.value;
+      if (beats === 0 || beatType === 0) return;
+      await store.dispatch("SET_TIME_SIGNATURE", {
+        timeSignature: {
+          position: 0,
+          beats: beats,
+          beatType: beatType,
+        },
+      });
+    };
+
     return {
       isShowSinger,
       toggleShowSinger,
-      userOrderedCharacterInfos,
-      selectedCharacterInfo,
       selectedStyleIconPath,
+      tempoInputBuffer,
+      beatsInputBuffer,
+      beatTypeInputBuffer,
+      setTempoInputBuffer,
+      setBeatsInputBuffer,
+      setBeatTypeInputBuffer,
+      setTempo,
+      setTimeSignature,
     };
   },
 });
@@ -120,14 +232,14 @@ export default defineComponent({
   margin: 0 4px;
 }
 
-.sing-bpm {
+.sing-tempo {
   margin: 0 4px;
-  width: 56px;
+  width: 64px;
 }
 
-.sing-tempo {
+.sing-time-signature {
   margin: 0 4px;
-  width: 32px;
+  width: 36px;
 }
 
 .sing-player-position {

src/store/singing.ts

@@ -1,4 +1,11 @@
-import { Note, Score, SingingStoreState, SingingStoreTypes } from "./type";
+import {
+  Score,
+  Tempo,
+  TimeSignature,
+  Note,
+  SingingStoreState,
+  SingingStoreTypes,
+} from "./type";
 import { createPartialStore } from "./vuex";
 import { createUILockAction } from "./ui";
 import { Midi } from "@tonejs/midi";
@@ -80,6 +87,17 @@ export const singingStore = createPartialStore<SingingStoreTypes>({
         timeSignatures: [{ position: 0, beats: 4, beatType: 4 }],
         notes: [],
       };
+      if (score.tempos.length !== 1 || score.tempos[0].position !== 0) {
+        throw new Error("Tempo does not exist at the beginning of the score.");
+      }
+      if (
+        score.timeSignatures.length !== 1 ||
+        score.timeSignatures[0].position !== 0
+      ) {
+        throw new Error(
+          "Time signature does not exist at the beginning of the score."
+        );
+      }
       return score;
     },
   },
@@ -93,6 +111,146 @@ export const singingStore = createPartialStore<SingingStoreTypes>({
     },
   },
 
+  SET_TEMPO: {
+    mutation(state, { index, tempo }: { index: number; tempo: Tempo }) {
+      state.score?.tempos.splice(index, 0, tempo);
+    },
+    // テンポを設定する。既に同じ位置にテンポが存在する場合は置き換える。
+    async action({ state, commit }, { tempo }: { tempo: Tempo }) {
+      const score = state.score;
+      if (score === undefined || score.tempos.length === 0) {
+        throw new Error("Score is not initialized.");
+      }
+      if (
+        Number.isNaN(tempo.position) ||
+        tempo.position < 0 ||
+        Number.isNaN(tempo.tempo) ||
+        tempo.tempo <= 0
+      ) {
+        throw new Error("The value is invalid.");
+      }
+      const duplicate = score.tempos.some((value) => {
+        return value.position === tempo.position;
+      });
+      const index = score.tempos.findIndex((value) => {
+        return value.position >= tempo.position;
+      });
+      if (index === -1) return;
+
+      const round = (value: number, digits: number) => {
+        const powerOf10 = 10 ** digits;
+        return Math.round(value * powerOf10) / powerOf10;
+      };
+
+      tempo.tempo = round(tempo.tempo, 2);
+
+      if (duplicate) {
+        commit("REMOVE_TEMPO", { index });
+      }
+      commit("SET_TEMPO", { index, tempo });
+    },
+  },
+
+  REMOVE_TEMPO: {
+    mutation(state, { index }: { index: number }) {
+      state.score?.tempos.splice(index, 1);
+    },
+    // テンポを削除する。先頭のテンポの場合はデフォルトのテンポに置き換える。
+    async action(
+      { state, commit, dispatch },
+      { position }: { position: number }
+    ) {
+      const emptyScore = await dispatch("GET_EMPTY_SCORE");
+      const defaultTempo = emptyScore.tempos[0];
+
+      const score = state.score;
+      if (score === undefined || score.tempos.length === 0) {
+        throw new Error("Score is not initialized.");
+      }
+      const index = score.tempos.findIndex((value) => {
+        return value.position === position;
+      });
+      if (index === -1) return;
+
+      commit("REMOVE_TEMPO", { index });
+      if (score.tempos.length === 0) {
+        commit("SET_TEMPO", { index, tempo: defaultTempo });
+      }
+    },
+  },
+
+  SET_TIME_SIGNATURE: {
+    mutation(
+      state,
+      { index, timeSignature }: { index: number; timeSignature: TimeSignature }
+    ) {
+      state.score?.timeSignatures.splice(index, 0, timeSignature);
+    },
+    // 拍子を設定する。既に同じ位置に拍子が存在する場合は置き換える。
+    async action(
+      { state, commit },
+      { timeSignature }: { timeSignature: TimeSignature }
+    ) {
+      const score = state.score;
+      if (score === undefined || score.timeSignatures.length === 0) {
+        throw new Error("Score is not initialized.");
+      }
+      if (
+        Number.isNaN(timeSignature.position) ||
+        timeSignature.position < 0 ||
+        !Number.isInteger(timeSignature.beats) ||
+        !Number.isInteger(timeSignature.beatType) ||
+        timeSignature.beats <= 0 ||
+        timeSignature.beatType <= 0
+      ) {
+        throw new Error("The value is invalid.");
+      }
+      const duplicate = score.timeSignatures.some((value) => {
+        return value.position === timeSignature.position;
+      });
+      const index = score.timeSignatures.findIndex((value) => {
+        return value.position >= timeSignature.position;
+      });
+      if (index === -1) return;
+
+      if (duplicate) {
+        commit("REMOVE_TIME_SIGNATURE", { index });
+      }
+      commit("SET_TIME_SIGNATURE", { index, timeSignature });
+    },
+  },
+
+  REMOVE_TIME_SIGNATURE: {
+    mutation(state, { index }: { index: number }) {
+      state.score?.timeSignatures.splice(index, 1);
+    },
+    // 拍子を削除する。先頭の拍子の場合はデフォルトの拍子に置き換える。
+    async action(
+      { state, commit, dispatch },
+      { position }: { position: number }
+    ) {
+      const emptyScore = await dispatch("GET_EMPTY_SCORE");
+      const defaultTimeSignature = emptyScore.timeSignatures[0];
+
+      const score = state.score;
+      if (score === undefined || score.timeSignatures.length === 0) {
+        throw new Error("Score is not initialized.");
+      }
+      const index = score.timeSignatures.findIndex((value) => {
+        return value.position === position;
+      });
+      if (index === -1) return;
+
+      commit("REMOVE_TIME_SIGNATURE", { index });
+      if (score.timeSignatures.length === 0) {
+        commit("SET_TIME_SIGNATURE", {
+          index,
+          timeSignature: defaultTimeSignature,
+        });
+      }
+    },
+  },
+
   IMPORT_MIDI_FILE: {
     action: createUILockAction(
       async ({ dispatch }, { filePath }: { filePath?: string }) => {

src/store/type.ts

@@ -723,6 +723,26 @@ export type SingingStoreTypes = {
     action(payload: { score: Score }): void;
   };
 
+  SET_TEMPO: {
+    mutation: { index: number; tempo: Tempo };
+    action(payload: { tempo: Tempo }): void;
+  };
+
+  REMOVE_TEMPO: {
+    mutation: { index: number };
+    action(payload: { position: number }): void;
+  };
+
+  SET_TIME_SIGNATURE: {
+    mutation: { index: number; timeSignature: TimeSignature };
+    action(payload: { timeSignature: TimeSignature }): void;
+  };
+
+  REMOVE_TIME_SIGNATURE: {
+    mutation: { index: number };
+    action(payload: { position: number }): void;
+  };
+
   IMPORT_MIDI_FILE: {
     action(payload: { filePath?: string }): void;
   };