From 4809a081f6d5e719eeccd0b221a24b826b6c93cb Mon Sep 17 00:00:00 2001
From: puriphatt <puriphat@frappet.com>
Date: Thu, 27 Jun 2024 03:00:22 +0000
Subject: [PATCH] feat: signature upload tab & i18n

---
 src/components/CanvasComponent.vue | 228 +++++++++++++++++++----------
 src/i18n/en-US/index.ts            |   2 +
 src/i18n/th-th/index.ts            |   2 +
 3 files changed, 158 insertions(+), 74 deletions(-)

diff --git a/src/components/CanvasComponent.vue b/src/components/CanvasComponent.vue
index 73f57b29..231e7998 100644
--- a/src/components/CanvasComponent.vue
+++ b/src/components/CanvasComponent.vue
@@ -1,24 +1,53 @@
 <script lang="ts" setup>
-import { onMounted, ref } from 'vue';
+import { computed, onMounted, ref, watch } from 'vue';
 import SignaturePad from 'signature_pad';
+import { useQuasar } from 'quasar';
 
-defineExpose({ clearCanvas });
+defineExpose({ clearCanvas, clearUpload });
 
-let canvasRef: HTMLCanvasElement | null = null;
+const $q = useQuasar();
+
+const canvasRef = ref<HTMLCanvasElement>();
 const signaturePad = ref();
 const currentColor = ref('blue');
 const tab = ref('draw');
 
-const initializeSignaturePad = () => {
-  if (canvasRef) {
-    signaturePad.value = new SignaturePad(canvasRef, {
-      backgroundColor: 'rgb(248,249,250)',
+const isDarkActive = computed(() => $q.dark.isActive);
+
+const uploadFile = ref<File | undefined>(undefined);
+const profileUrl = ref<string | null>('');
+const inputFile = (() => {
+  const element = document.createElement('input');
+  element.type = 'file';
+  element.accept = 'image/*';
+
+  const reader = new FileReader();
+  reader.addEventListener('load', () => {
+    if (typeof reader.result === 'string') profileUrl.value = reader.result;
+  });
+
+  element.addEventListener('change', () => {
+    uploadFile.value = element.files?.[0];
+    if (uploadFile.value) {
+      reader.readAsDataURL(uploadFile.value);
+    }
+  });
+
+  return element;
+})();
+
+function initializeSignaturePad(canva?: HTMLCanvasElement) {
+  if (canva) {
+    signaturePad.value = new SignaturePad(canva, {
+      backgroundColor: isDarkActive.value
+        ? 'rgb(21,25,29)'
+        : 'rgb(248,249,250)',
       penColor: 'blue',
     });
   } else {
     console.warn('Canvas reference not found. SignaturePad not initialized.');
   }
-};
+}
 
 function changeColor(color: string) {
   signaturePad.value.penColor = color;
@@ -29,9 +58,19 @@ function clearCanvas() {
   signaturePad.value.clear();
 }
 
+function clearUpload() {
+  profileUrl.value = '';
+}
+
+watch(
+  () => tab.value,
+  async () => {
+    initializeSignaturePad(canvasRef.value);
+  },
+);
+
 onMounted(() => {
-  canvasRef = document.querySelector('canvas');
-  initializeSignaturePad();
+  initializeSignaturePad(canvasRef.value);
 });
 </script>
 <template>
@@ -44,76 +83,112 @@ onMounted(() => {
       active-color="primary"
       indicator-color="primary"
     >
-      <q-tab
-        name="draw"
-        label="Draw"
-        style="border-top-left-radius: var(--radius-2)"
-      />
-      <q-tab disable name="upload" label="Upload" />
+      <div class="row justify-between full-width items-center">
+        <div class="row">
+          <q-tab
+            name="draw"
+            label="Draw"
+            style="border-top-left-radius: var(--radius-2)"
+          />
+          <q-tab name="upload" label="Upload" />
+        </div>
+
+        <div class="q-pr-md">
+          <q-btn
+            dense
+            flat
+            v-if="tab === 'upload'"
+            :label="$t('newUpload')"
+            color="info"
+            @click="inputFile.click()"
+          />
+        </div>
+      </div>
     </q-tabs>
     <q-separator />
 
-    <q-tab-panels v-model="tab" animated>
-      <q-tab-panel name="draw">
-        <div class="column relative-position">
-          <div
-            class="absolute-top-right q-ma-md q-gutter-x-md row items-center"
+    <div v-show="tab === 'draw'" class="q-pa-md">
+      <div class="column relative-position">
+        <div class="absolute-top-right q-ma-md q-gutter-x-md row items-center">
+          <span
+            class="dot"
+            :class="{ active: currentColor === 'black' }"
+            style="background-color: black"
+            @click="changeColor('black')"
           >
-            <span
-              class="dot"
-              :class="{ active: currentColor === 'black' }"
-              style="background-color: black"
-              @click="changeColor('black')"
-            >
-              <q-icon
-                v-if="currentColor === 'black'"
-                name="mdi-check"
-                color="white"
-                size="sm"
-              />
-            </span>
-            <span
-              :class="{ active: currentColor === 'red' }"
-              class="dot"
-              style="background-color: red"
-              @click="changeColor('red')"
-            >
-              <q-icon
-                v-if="currentColor === 'red'"
-                name="mdi-check"
-                color="white"
-                size="sm"
-              />
-            </span>
-            <span
-              :class="{ active: currentColor === 'blue' }"
-              class="dot"
-              style="background-color: blue"
-              @click="changeColor('blue')"
-            >
-              <q-icon
-                v-if="currentColor === 'blue'"
-                name="mdi-check"
-                color="white"
-                size="sm"
-              />
-            </span>
-          </div>
-
-          <canvas
-            class="signature-canvas"
-            ref="canvasRef"
-            id="signature-pad"
-            width="700"
-            height="300"
-          ></canvas>
+            <q-icon
+              v-if="currentColor === 'black'"
+              name="mdi-check"
+              color="white"
+              size="sm"
+            />
+          </span>
+          <span
+            :class="{ active: currentColor === 'red' }"
+            class="dot"
+            style="background-color: red"
+            @click="changeColor('red')"
+          >
+            <q-icon
+              v-if="currentColor === 'red'"
+              name="mdi-check"
+              color="white"
+              size="sm"
+            />
+          </span>
+          <span
+            :class="{ active: currentColor === 'blue' }"
+            class="dot"
+            style="background-color: blue"
+            @click="changeColor('blue')"
+          >
+            <q-icon
+              v-if="currentColor === 'blue'"
+              name="mdi-check"
+              color="white"
+              size="sm"
+            />
+          </span>
         </div>
-      </q-tab-panel>
-    </q-tab-panels>
 
-    <!-- <div class="text-right q-gutter-x-md">
-      <q-btn id="clear" label="Clear" @click="signaturePad.clear()" />
-    </div> -->
+        <canvas
+          class="signature-canvas"
+          ref="canvasRef"
+          id="signature-pad"
+          width="700"
+          height="310"
+        ></canvas>
+      </div>
+    </div>
+
+    <div v-if="tab === 'upload'" class="q-pa-md">
+      <div
+        class="bordered upload-border rounded column items-center justify-center"
+        style="height: 312px"
+      >
+        <q-img
+          v-if="profileUrl"
+          :src="profileUrl"
+          style="object-fit: cover; width: 100%; height: 100%"
+        />
+        <div v-else>
+          <q-icon
+            name="mdi-cloud-upload"
+            size="10rem"
+            style="color: hsla(var(--text-mute) / 0.2)"
+          />
+          <div>
+            <q-btn
+              unelevated
+              color="info"
+              :label="$t('uploadFile')"
+              icon="mdi-plus"
+              @click="inputFile.click()"
+            />
+          </div>
+        </div>
+      </div>
+    </div>
   </div>
 </template>
 <style scoped lang="scss">
@@ -140,4 +215,9 @@ onMounted(() => {
   position: absolute;
   display: inline-block;
 }
+
+.upload-border {
+  border-style: dashed;
+  border-color: hsl(var(--info-bg));
+}
 </style>
diff --git a/src/i18n/en-US/index.ts b/src/i18n/en-US/index.ts
index 81a3b0fb..27526fd6 100644
--- a/src/i18n/en-US/index.ts
+++ b/src/i18n/en-US/index.ts
@@ -53,6 +53,8 @@ export default {
   theme: 'Theme',
   light: 'Light',
   dark: 'Dark',
+  uploadFile: 'Upload File',
+  newUpload: 'New Upload',
   baseOnDevice: 'Base on Device',
   ...status,
   ...main,
diff --git a/src/i18n/th-th/index.ts b/src/i18n/th-th/index.ts
index aa3857d6..1945cc47 100644
--- a/src/i18n/th-th/index.ts
+++ b/src/i18n/th-th/index.ts
@@ -53,6 +53,8 @@ export default {
   theme: 'ธีม',
   light: 'สว่าง',
   dark: 'มืด',
+  uploadFile: 'อัปโหลดไฟล์',
+  newUpload: 'อัปโหลดใหม่',
   baseOnDevice: 'สีตามอุปกรณ์',
   ...status,
   ...main,