Operation processes on invoices

app/Views/Components/FullScreenModal.vue

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+<template>
+  <teleport to="body">
+    <transition name="fade">
+      <div
+          v-if="show"
+          class="full-screen-modal-overlay"
+          @click.self="close"
+      >
+        <transition name="scale">
+          <div
+              v-if="show"
+              ref="modalRef"
+              class="full-screen-modal-content"
+              tabindex="-1"
+          >
+            <div class="full-screen-modal-body">
+              <slot />
+              <span @click="close" class="dashicons dashicons-dismiss full-screen-modal-close"></span>
+            </div>
+          </div>
+        </transition>
+      </div>
+    </transition>
+  </teleport>
+</template>
+
+<script setup>
+import { ref, watch, onMounted, onUnmounted, nextTick } from 'vue'
+
+const props = defineProps({
+  show: Boolean
+})
+const emit = defineEmits(['close'])
+
+const modalRef = ref(null)
+
+function close() {
+  emit('close')
+}
+
+// ESC-Key & Focus-Trap
+function handleKeyDown(e) {
+  if (e.key === 'Escape') {
+    close()
+  }
+  if (e.key === 'Tab' && modalRef.value) {
+    const focusable = modalRef.value.querySelectorAll(
+        'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])'
+    )
+    if (focusable.length === 0) return
+
+    const first = focusable[0]
+    const last = focusable[focusable.length - 1]
+
+    if (e.shiftKey && document.activeElement === first) {
+      e.preventDefault()
+      last.focus()
+    } else if (!e.shiftKey && document.activeElement === last) {
+      e.preventDefault()
+      first.focus()
+    }
+  }
+}
+
+// Body-Scroll sperren
+watch(
+    () => props.show,
+    async (newVal) => {
+      if (newVal) {
+        document.body.style.overflow = 'hidden'
+        await nextTick()
+        modalRef.value?.focus()
+      } else {
+        document.body.style.overflow = ''
+      }
+    }
+)
+
+onMounted(() => {
+  window.addEventListener('keydown', handleKeyDown)
+})
+onUnmounted(() => {
+  window.removeEventListener('keydown', handleKeyDown)
+  document.body.style.overflow = ''
+})
+</script>
+
+<style scoped>
+.full-screen-modal-overlay {
+  position: fixed;
+  inset: 0;
+  background: rgba(0, 0, 0, 0.5);
+  z-index: 9999;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+.full-screen-modal-content {
+  background: white;
+  border-radius: 12px;
+  position: absolute;
+  top: 30px;
+  bottom: 30px;
+  left: 30px;
+  right: 30px;
+  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
+  outline: none;
+  display: flex;
+  flex-direction: column;
+}
+
+.full-screen-modal-body {
+  flex: 1;
+  overflow-y: auto;
+  padding: 20px;
+  position: relative;
+}
+
+.full-screen-modal-close {
+  position: absolute;
+  top: 15px;
+  right: 15px;
+  cursor: pointer;
+  font-size: 22px;
+}
+
+/* Animation */
+.fade-enter-active,
+.fade-leave-active {
+  transition: opacity 0.3s ease;
+}
+.fade-enter-from,
+.fade-leave-to {
+  opacity: 0;
+}
+.scale-enter-active,
+.scale-leave-active {
+  transition: transform 0.25s ease, opacity 0.25s ease;
+}
+.scale-enter-from,
+.scale-leave-to {
+  transform: scale(0.98);
+  opacity: 0;
+}
+</style>