Support replace feature; close #188; multiple bug fixes on upload

Former-commit-id: 30b18e418111df00903965a7e4135441cd1767a1 [formerly 60393b5e1a291d1aab2313e7dd8cd2e1e203c03b] [formerly c372bc1355db36d2d7b0bc602977616ae52a141c [formerly 6ee846ef0eab0f3b91ff3557877cd2eb63acb505]]
Former-commit-id: c6c5aa9646c78fe86af74aac00cc1c7c307ad678 [formerly 6d3accd032458203105a474b0f8204d8206c2440]
Former-commit-id: ab35a8effb0b01406bef44328ef3c45f5ea1cbfd

assets/src/components/prompts/Prompts.vue

@@ -11,6 +11,7 @@
     <copy v-else-if="showCopy"></copy>
     <error v-else-if="showError"></error>
     <success v-else-if="showSuccess"></success>
+    <replace v-else-if="showReplace"></replace>
 
     <template v-for="plugin in plugins">
       <form class="prompt"
@@ -54,6 +55,7 @@ import Error from './Error'
 import Success from './Success'
 import NewFile from './NewFile'
 import NewDir from './NewDir'
+import Replace from './Replace'
 import { mapState } from 'vuex'
 import buttons from '@/utils/buttons'
 import api from '@/utils/api'
@@ -71,7 +73,8 @@ export default {
     Copy,
     NewFile,
     NewDir,
-    Help
+    Help,
+    Replace
   },
   data: function () {
     return {
@@ -96,6 +99,7 @@ export default {
     showNewFile: function () { return this.show === 'newFile' },
     showNewDir: function () { return this.show === 'newDir' },
     showDownload: function () { return this.show === 'download' },
+    showReplace: function () { return this.show === 'replace' },
     showOverlay: function () {
       return (this.show !== null && this.show !== 'search' && this.show !== 'more')
     }