From 4e45658788ac17e65ffcbff612095e5bb47c1ca0 Mon Sep 17 00:00:00 2001
From: Michael Olund <michaelo@openroad.ca>
Date: Thu, 17 Sep 2020 16:42:42 -0700
Subject: [PATCH] Started on logic for PDF uploads and fixed display issue when
 rotating images

---
 vue/src/components/ItemTile.vue | 66 ++++++++++++++++++---------------
 vue/src/components/Uploader.vue | 23 +++++++++++-
 2 files changed, 58 insertions(+), 31 deletions(-)

diff --git a/vue/src/components/ItemTile.vue b/vue/src/components/ItemTile.vue
index 7ab249d8..dc206cc0 100644
--- a/vue/src/components/ItemTile.vue
+++ b/vue/src/components/ItemTile.vue
@@ -1,7 +1,8 @@
 <template>
   <div class="item-tile" v-if="file.progress === '100.00' || file.error">
     <div class="image-wrap">
-      <img v-if="file.objectURL && !file.error" :src="file.objectURL" height="auto" :class="imageClass" />
+      <img v-if="file.objectURL  && !file.error && file.type !== 'application/pdf'" :src="file.objectURL" :style="imageStyle"/>
+      <i class="fa fa-file-pdf-o" v-if="file.type === 'application/pdf'"></i>
       <button type="button" class="btn-remove" @click.prevent="$emit('remove')" aria-label="Delete">
         <i class="fa fa-times-circle"></i>
       </button>
@@ -47,7 +48,7 @@ export default {
     ProgressBar
   },
   computed: {
-    imageClass() {
+    rotateVal() {
       let rotation = this.file.rotation;
       while (rotation < 0) {
         rotation += 360;
@@ -56,15 +57,31 @@ export default {
         rotation -= 360;
       }
       if (rotation === 90) {
-        return 'rotate-90';
+        return 90;
       }
       if (rotation === 180) {
-        return 'rotate-180';
+        return 180;
       }
       if (rotation === 270) {
-        return 'rotate-270';
+        return 270;
       }      
-      return 'rotate-0';
+      return 0;
+    },
+    imageStyle() {
+      if (this.rotateVal === 90) {
+        let scale = this.file.width / this.file.height;
+        let yshift = -100 * scale;
+        return "transform:rotate(90deg) translateY("+yshift+"%) scale("+scale+"); transform-origin: top left;";
+      }
+      if (this.rotateVal === 270) {
+        let scale = this.file.width / this.file.height;
+        let xshift = -100 * scale;
+        return "transform:rotate(270deg) translateX("+xshift+"%) scale("+scale+"); transform-origin: top left;";
+      }
+      if (this.rotateVal === 180) {
+        return "transform:rotate(180deg);";
+      }      
+      return '';
     }
   },
 }
@@ -81,10 +98,20 @@ export default {
         border-top-left-radius: 6px;
         border-top-right-radius: 6px;
         background-color: white;
-      }
+        overflow: hidden;
+        position: relative;
+        z-index: 2;
 
-      .image-wrap {
-        overflow-y: hidden;
+        i.fa-file-pdf-o {
+          color: silver;
+          display: block;
+          font-size: 50px;
+          margin-left: 15px;
+          margin-top: 15px;
+          opacity: 0.75;
+        }
+
+        &:hover img { opacity: 0.5 ;}
       }
 
       .item-text {
@@ -109,27 +136,6 @@ export default {
         margin-bottom: 10px;
       }
 
-      img.rotate-0 {
-        width: 98%;
-      }
-
-      img.rotate-90 {
-        transform: rotate(90deg);
-        height: 98%;
-        max-width: 98%;        
-      }
-
-      img.rotate-180 {
-        transform: rotate(180deg);
-        width: 98%;
-      }
-      
-      img.rotate-270 {
-        transform: rotate(270deg);
-        height: 98%;
-        max-width: 98%;
-      }
-
       button {
         position: relative; 
         z-index: 2;
diff --git a/vue/src/components/Uploader.vue b/vue/src/components/Uploader.vue
index 4e208138..ef3a9656 100644
--- a/vue/src/components/Uploader.vue
+++ b/vue/src/components/Uploader.vue
@@ -117,6 +117,14 @@ export default {
         }
       }
         this.$refs.upload.active = true;
+
+      if (newFile) {
+        console.log('inputFile newFile=' + newFile.name);
+      }
+
+      if (oldFile) {
+        console.log('inputFile oldFile=' + oldFile.name);
+      }
     },
     /**
      * Pretreatment
@@ -131,15 +139,28 @@ export default {
         if (!/\.(jpeg|jpg|png|pdf)$/i.test(newFile.name)) {
           return prevent()
         }
+
+        this.files.forEach(function(f) {
+          // prevent duplicates (based on filename and length)
+          if (f.name === newFile.name && f.length === newFile.length) {
+            return prevent();
+          }
+        });
       }
 
-      // Create an objectURL field
+      // Add extra data to to the file object
       if (newFile) {
         newFile.objectURL = ''
         let URL = window.URL || window.webkitURL
         if (URL && URL.createObjectURL) {
           newFile.objectURL = URL.createObjectURL(newFile.file)
           newFile.rotation = 0;
+          const img = new Image();
+          img.onload = function() {
+            newFile.width = this.width;
+            newFile.height = this.height;
+          }
+          img.src = newFile.objectURL;
         }
       }
     },