From b479c7016b5d5359e8d604028244312301f76d94 Mon Sep 17 00:00:00 2001
From: Sam Carlton <sam@sam.lc>
Date: Sat, 30 Jan 2021 00:46:59 -0600
Subject: [PATCH] Add fullscreen-file-drop component

---
 components/fullscreen-file-drop.vue | 148 ++++++++++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 components/fullscreen-file-drop.vue

diff --git a/components/fullscreen-file-drop.vue b/components/fullscreen-file-drop.vue
new file mode 100644
index 0000000..89143a1
--- /dev/null
+++ b/components/fullscreen-file-drop.vue
@@ -0,0 +1,148 @@
+<template>
+    <div
+        :class="[
+            'vue-full-screen-file-drop',
+            'fixed inset-0',
+            classes
+        ]"
+        :style="{
+            'z-index': 10000
+        }"
+    >
+        <slot>
+            <div
+                class="vue-full-screen-file-drop__content"
+            >
+                {{ text }}
+            </div>
+        </slot>
+        <input
+            ref="file-selector"
+            :style="{
+                //'z-index': 10001
+            }"
+            type="file"
+            accept="application/**"
+            multiple
+            class="absolute inset-0 w-screen h-screen"
+            @change="fileInputChanged"
+        >
+    </div>
+</template>
+
+<script>
+export default {
+//   name: 'VueFullScreenFileDrop',
+    props: {
+        formFieldName: {
+            type: String,
+            default: 'upload',
+        },
+        text: {
+            type: String,
+            default: 'Upload Files',
+        },
+    },
+    data() {
+        return {
+            visible: false,
+            lastTarget: null,
+        };
+    },
+    computed: {
+        classes() {
+            return {
+                'vue-full-screen-file-drop--visible': true //this.visible,
+            };
+        },
+    },
+    mounted () {
+        window.addEventListener('dragenter', this.onDragEnter);
+        window.addEventListener('dragleave', this.onDragLeave);
+        window.addEventListener('dragover', this.onDragOver);
+        // window.addEventListener('drop', this.onDrop);
+    },
+    beforeDestroy () {
+        window.removeEventListener('dragenter', this.onDragEnter);
+        window.removeEventListener('dragleave', this.onDragLeave);
+        window.removeEventListener('dragover', this.onDragOver);
+        // window.removeEventListener('drop', this.onDrop);
+    },
+    methods: {
+        onDragEnter(e) {
+            this.lastTarget = e.target;
+            this.visible = true;
+        },
+        onDragLeave(e) {
+            if (e.target === this.lastTarget) {
+                this.visible = false;
+            }
+        },
+        onDragOver(e) {
+            e.preventDefault();
+        },
+        onDrop(e) {
+            e.preventDefault();
+            // this.visible = false;
+            // const files = e.dataTransfer.files;
+            // const formData = this.getFormData(files);
+            // this.$emit('drop', formData, files);
+        },
+        async fileInputChanged () {
+            console.log('file-selector', this.$refs['file-selector'])
+            const files = this.$refs['file-selector'].files
+
+            console.log('fileInputChanged files', files)
+
+            this.visible = false;
+            // const files = e.dataTransfer.files;
+            const formData = this.getFormData(files);
+            this.$emit('drop', formData, files);
+        },
+        getFormData(files) {
+            const formData = new FormData();
+            Array.prototype.forEach.call(files, file => {
+                formData.append(this.formFieldName, file, file.name);
+            });
+            return formData;
+        },
+    },
+}
+</script>
+
+<style lang='css'>
+  .vue-full-screen-file-drop {
+    /* position: fixed;
+    top: 0;
+    left: 0;
+    z-index: 10000;
+    width: 100%;
+    height: 100%; */
+    background-color: rgba(0,0,0,0.4);
+    visibility: hidden;
+    opacity: 0;
+    transition: visibility 200ms, opacity 200ms;
+  }
+  .vue-full-screen-file-drop--visible {
+    opacity: 1;
+    visibility: visible;
+  }
+  .vue-full-screen-file-drop__content {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    width: 100%;
+    height: 100%;
+    color: #fff;
+    font-size: 4em;
+  }
+  .vue-full-screen-file-drop__content:before {
+    border: 5px dashed #fff;
+    content: "";
+    bottom: 60px;
+    left: 60px;
+    position: absolute;
+    right: 60px;
+    top: 60px;
+  }
+</style>