Image Upload: progress bar, success und error flash

[mfinanz.git] / js / kivi.ImageUpload.js

diff --git a/js/kivi.ImageUpload.js b/js/kivi.ImageUpload.js
index d71129924966fcfe48f6121200261b289eebf71f..5d22a0a3fbf2ae20321774747c48d96cc1eef56b 100644 (file)
--- a/js/kivi.ImageUpload.js
+++ b/js/kivi.ImageUpload.js
@@ -1,6 +1,11 @@
 namespace("kivi.ImageUpload", function(ns) {
   "use strict";
 
+  const MAXSIZE = 15*1024*1024; // 5MB size limit
+  const M = kivi.Materialize;
+
+  let num_images = 0;
+
   ns.add_files = function(target) {
     let files = [];
     for (var i = 0; i < target.files.length; i++) {
@@ -16,7 +21,10 @@ namespace("kivi.ImageUpload", function(ns) {
   ns.reload_images = function() {
     kivi.FileDB.retrieve_all((data) => {
       $('#stored-images').empty();
+      num_images = data.length;
+
       data.forEach(ns.create_thumb_row);
+      ns.set_image_button_enabled();
     });
   };
 
@@ -41,68 +49,125 @@ namespace("kivi.ImageUpload", function(ns) {
     let $row = $(event.target).closest(".image-upload-row");
     kivi.FileDB.delete_key(key, () => {
       $row.remove();
+      num_images--;
+      ns.set_image_button_enabled();
     });
   };
 
-  ns.upload_selected_files = function(id,type,filetype,maxsize) {
+  ns.set_image_button_enabled = function() {
+    $('#upload_images_submit').attr("disabled", num_images == 0 || !$('#object_id').val());
+  };
+
+
+  ns.upload_files = function() {
+    let id = $('#object_id').val();
+    let type = $('#object_type').val();
+
+    ns.upload_selected_files(id, type, MAXSIZE);
+  };
+
+  ns.upload_selected_files = function(id, type, maxsize) {
+    $("#upload_modal").modal("open");
+
     kivi.FileDB.retrieve_all((myfiles) => {
       let filesize  = 0;
       myfiles.forEach(file => {
         filesize  += file.size;
         if (filesize > maxsize) {
-          $("#upload_result").html(kivi.t8("filesize too big: ") + filesize+ kivi.t8(" bytes, max=") + maxsize );
+          M.flash(kivi.t8("filesize too big: ") + ns.format_si(filesize) + kivi.t8(" > ") + ns.format_si(maxsize));
+          $("#upload_modal").modal("close");
           return;
         }
 
         let data = new FormData();
-        data.append(file);
+        data.append("uploadfiles[]", file);
         data.append("action", "File/ajax_files_uploaded");
         data.append("json", "1");
         data.append("object_type", type);
         data.append("object_id", id);
-        data.append("file_type", filetype);
+        data.append("file_type", "attachment");
 
         $("#upload_result").html(kivi.t8("start upload"));
 
-        $.ajax({
-          url: "controller.pl",
-          data: data,
-          success: ns.attSuccess,
-          progress: ns.attProgress,
-          error: ns.attFailes,
-          abort: ns.attCanceled
-        });
+        let xhr = new XMLHttpRequest;
+        xhr.open('POST', 'controller.pl', true);
+        xhr.onload = ns.attSuccess;
+        xhr.upload.onprogress = ns.attProgress;
+        xhr.upload.onerror = ns.attFailed;
+        xhr.upload.onabort = ns.attCanceled;
+        xhr.send(data);
       });
     });
   };
 
   ns.attProgress = function(event) {
     if (event.lengthComputable) {
-      var percentComplete = (event.loaded / event.total) * 100;
-      $("#upload_result").html(percentComplete+" % "+ kivi.t8("uploaded"));
+      var percent_complete = (event.loaded / event.total) * 100;
+      $("#upload_progress div").removeClass("indeterminate").addClass("determinate").attr("style", "width: " + percent_complete + "%");
     }
   };
 
   ns.attFailed = function() {
     $('#upload_modal').modal('close');
-    $("#upload_result").html(kivi.t8("An error occurred while transferring the file."));
+    M.flash(kivi.t8("An error occurred while transferring the file."));
   };
 
   ns.attCanceled = function() {
     $('#upload_modal').modal('close');
-    $("#upload_result").html(kivi.t8("The transfer has been canceled by the user."));
+    M.flash(kivi.t8("The transfer has been canceled by the user."));
   };
 
   ns.attSuccess = function() {
     $('#upload_modal').modal('close');
-    $("#upload_result").html(kivi.t8("Files have been uploaded successfully."));
+    M.flash(kivi.t8("Files have been uploaded successfully."));
+    kivi.FileDB.delete_all(ns.reload_images);
   };
 
-  ns.init = function() {
-    ns.reload_images();
+  ns.resolve_object = function(event) {
+    let obj_type = $('#object_type').val();
+    let number   = event.target.value;
+
+    $.ajax({
+      url: "controller.pl",
+      data: {
+        action: "ImageUpload/resolve_object_by_number",
+        object_type: obj_type,
+        object_number: number
+      },
+      type: "json",
+      success: (json) => {
+        if (json.error) {
+          $("#object_description").html("");
+          $("#object_id").val("");
+        } else {
+          $("#object_description").html(json.description);
+          $("#object_id").val(json.id);
+        }
+        ns.set_image_button_enabled();
+      },
+      error: () => {
+        $("#object_description").html("");
+        $("#object_id").val("");
+        ns.set_image_button_enabled();
+      }
+    });
   };
 
+  /* this tries to format the number human readable. 3 significant digits, si suffix, */
+  ns.format_si = function(n) {
+    const prefixes = ["", "K" , "M", "G", "T", "P"];
+    let i = 0;
+    while (n >= 1024) {
+      n /= 1024;
+      i++;
+    }
+
+    return kivi.format_amount(n, 3 - (n|0).toString().length) + prefixes[i] + "B";
+  };
 
+  ns.init = function() {
+    ns.reload_images();
+  };
 });
 
 $(kivi.ImageUpload.init);