virtual sample : create virtual sample store, activate dl image btn

src/components/project/virtual-sample/DynamicView.vue

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+<template>
+  <div class="dialog__inner">
+    <header class="flex">
+      <div class="options-selector">
+        <button
+          v-for="(track, index) in tracks"
+          class="btn btn--image"
+          :aria-pressed="activeTrack === track ? true : false"
+          :aria-controls="track.slug"
+          :style="`--btn-image: url(${track.files[7].url});`"
+          @click="
+            activeTrack = track;
+            currentX = 0;
+            currentY = 0;
+          "
+        >
+          <span>{{ track.title }}</span>
+        </button>
+      </div>
+      <button class="btn | ml-auto">
+        <span>Comparer les pistes</span>
+      </button>
+    </header>
+
+    <!--  -->
+    <div class="track-container">
+      <figure>
+        <img :src="currentFile.url" alt="" />
+      </figure>
+      <fieldset>
+        <button
+          class="btn btn--icon"
+          id="y-up"
+          @click="currentY++"
+          :disabled="currentY === yMax.length"
+          data-icon="chevron-single-left"
+          title="Pivoter vers le haut"
+        >
+          <span class="sr-only">Top</span>
+        </button>
+        <button
+          class="btn btn--icon"
+          id="x-down"
+          @click="rotateX('left')"
+          data-icon="chevron-single-left"
+          title="Pivoter vers la gauche"
+        >
+          <span class="sr-only">Left</span>
+        </button>
+        <button
+          class="btn btn--icon"
+          id="x-up"
+          @click="rotateX('right')"
+          data-icon="chevron-single-left"
+          title="Pivoter vers la droite"
+        >
+          <span class="sr-only">Right</span>
+        </button>
+        <button
+          class="btn btn--icon"
+          id="y-down"
+          @click="currentX === xMax ? xMax : currentX--"
+          :disabled="currentY === 0"
+          data-icon="chevron-single-left"
+          title="Pivoter vers le bas"
+        >
+          <span class="sr-only">Bottom</span>
+        </button>
+      </fieldset>
+    </div>
+  </div>
+</template>
+<script setup>
+import { ref, computed, watch } from "vue";
+import { storeToRefs } from "pinia";
+import { usePageStore } from "../../../stores/page";
+import { useVirtualSampleStore } from "../../../stores/virtualSample";
+
+const { page } = storeToRefs(usePageStore());
+const virtualSampleStore = useVirtualSampleStore();
+
+const tracks = computed(
+  () => page.value.steps[page.value.steps.length - 1].files.dynamic
+);
+
+const activeTrack = ref(tracks.value[0]);
+
+const yMax = computed(() => {
+  return parseInt(
+    activeTrack.value.files[activeTrack.value.files.length - 1].name.charAt(0)
+  );
+});
+const xMax = computed(() => {
+  return parseInt(
+    activeTrack.value.files[activeTrack.value.files.length - 1].name
+      .split("_")[1]
+      .split(".")[0]
+  );
+});
+
+const currentX = ref(0);
+const currentY = ref(0);
+const currentFileIndex = computed(() => currentY.value + "_" + currentX.value);
+const currentFile = computed(() =>
+  activeTrack.value.files.find((file) =>
+    file.name.includes(currentFileIndex.value)
+  )
+);
+watch(currentFile, () => (virtualSampleStore.currentFile = currentFile.value), {
+  immediate: true,
+});
+
+function rotateX(direction) {
+  if (direction == "left") {
+    currentX.value = currentX.value === 0 ? xMax.value : currentX.value - 1;
+  }
+  if (direction == "right") {
+    currentX.value = currentX.value === xMax.value ? 0 : currentX.value + 1;
+  }
+}
+</script>