feat: Notification menu (#615)

Introduces a notification menu, which hosts notifications fired while the app was not focused.
Notifications can be closed by the user.

1 files changed, 77 insertions, 0 deletions

diff --git a/src-vue/src/components/NotificationButton.vue b/src-vue/src/components/NotificationButton.vue
new file mode 100644
index 00000000..4945f8c7
--- /dev/null
+++ b/src-vue/src/components/NotificationButton.vue
@@ -0,0 +1,77 @@
+<template>
+    <el-dropdown trigger="click" placement="bottom-end" max-height="280" popper-class="fc_popper">
+        <el-badge v-if="notifications.length != 0" :value="notifications.length" :max="9" class="item" type="primary">
+            <el-button color="white" icon="BellFilled" circle />
+        </el-badge>
+        <el-button v-else color="white" icon="BellFilled" circle />
+        <template #dropdown>
+            <el-dropdown-menu :key="counter">
+                <el-alert
+                    v-if="notifications.length != 0"
+                    v-for="(notification, i) in notifications"
+                    :key="i"
+                    :title="notification.title"
+                    :description="notification.text"
+                    :type="notification.type"
+                    show-icon
+                    style="width: 300px"
+                    @close.stop="removeNotification(i)"
+                />
+                <el-result
+                    v-else
+                    icon="success"
+                    :title="i18n.global.tc('notification.no_new.title')"
+                    :sub-title="i18n.global.tc('notification.no_new.text')"
+                >
+                    <template #icon>
+                    </template>
+                </el-result>
+            </el-dropdown-menu>
+        </template>
+    </el-dropdown>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+import {Notification} from '../plugins/modules/notifications';
+import {i18n} from "../main";
+
+export default defineComponent({
+    name: 'NotificationButton',
+    data: () => ({
+        // This variable is used as a key for the dropdown menu, so we can force it to refresh when a item is deleted.
+        counter: 0
+    }),
+    computed: {
+        i18n() {
+            return i18n
+        },
+        notifications(): Notification[] {
+            return this.$store.state.notifications.notifications;
+        }
+    },
+    methods: {
+        removeNotification(index: number) {
+            this.$store.commit('removeNotification', index);
+            // By refreshing the notifications list, we ensure the first notification get the index 0, ensuring this list
+            // is synchronized with the store list.
+            this.counter += 1;
+        }
+    }
+})
+</script>
+
+<style scoped>
+.el-dropdown {
+    height: 100%;
+    max-height: 300px;
+}
+
+.el-button {
+    margin: auto 25px auto 0 !important;
+}
+
+.el-alert {
+    margin: 5px 10px 5px 5px;
+}
+</style>