Merge branch 'b-3.6.1' of ../kivitendo-erp_20220811

[kivitendo-erp.git] / js / kivi.ImageUpload.js

diff --git a/js/kivi.ImageUpload.js b/js/kivi.ImageUpload.js
new file mode 100644 (file)
index 0000000..24bd262
--- /dev/null
+++ b/js/kivi.ImageUpload.js
@@ -0,0 +1,178 @@
+namespace("kivi.ImageUpload", function(ns) {
+  "use strict";
+
+  const MAXSIZE = 15*1024*1024; // 5MB size limit
+  const M = kivi.Materialize;
+
+  let num_images = 0;
+  ns.upload_in_progress = undefined;
+
+  ns.add_files = function(target) {
+    let files = [];
+    for (var i = 0; i < target.files.length; i++) {
+      files.push(target.files.item(i));
+    }
+
+    kivi.FileDB.store_image(files[0], files[0].name, () => {
+      ns.reload_images();
+      target.value = null;
+    });
+  };
+
+  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();
+    });
+  };
+
+  ns.create_thumb_row = function(file)  {
+    let URL = window.URL || window.webkitURL;
+    let file_url = URL.createObjectURL(file);
+
+    let $row = $("<div>").addClass("row image-upload-row");
+    let $button = $("<a>")
+      .addClass("btn-floating btn-large waves-effect waves-light red")
+      .click((event) => ns.remove_image(event, file.name))
+      .append($("<i>delete</i>").addClass("material-icons"));
+    $row.append($("<div>").addClass("col s3").append($button));
+
+    let $image = $('<img>').attr("src", file_url).addClass("materialboxed responsive-img");
+    $row.append($("<div>").addClass("col s9").append($image));
+
+    $("#stored-images").append($row);
+  };
+
+  ns.remove_image = function(event, key) {
+    let $row = $(event.target).closest(".image-upload-row");
+    kivi.FileDB.delete_key(key, () => {
+      $row.remove();
+      num_images--;
+      ns.set_image_button_enabled();
+    });
+  };
+
+  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({ dismissible: false });
+    $("#upload_modal").modal("open");
+
+    kivi.FileDB.retrieve_all((myfiles) => {
+      let filesize  = 0;
+      myfiles.forEach(file => filesize  += file.size);
+
+      if (filesize > maxsize) {
+        M.flash(kivi.t8("filesize too big: ") + ns.format_si(filesize) + " > " + ns.format_si(maxsize));
+        $("#upload_modal").modal("close");
+        return;
+      }
+
+      let data = new FormData();
+      myfiles.forEach(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", "attachment");
+
+      $("#upload_result").html(kivi.t8("start upload"));
+
+      let xhr = new XMLHttpRequest;
+      xhr.open('POST', 'controller.pl', true);
+      xhr.onload = ns.upload_complete;
+      xhr.upload.onprogress = ns.progress;
+      xhr.upload.onerror = ns.failed;
+      xhr.upload.onabort = ns.abort;
+      xhr.send(data);
+
+      ns.upload_in_progress = xhr;
+    });
+  };
+
+  ns.progress = function(event) {
+    if (event.lengthComputable) {
+      var percent_complete = (event.loaded / event.total) * 100;
+      $("#upload_progress div").removeClass("indeterminate").addClass("determinate").attr("style", "width: " + percent_complete + "%");
+    }
+  };
+
+  ns.failed = function() {
+    $('#upload_modal').modal('close');
+    M.flash(kivi.t8("An error occurred while transferring the file."));
+  };
+
+  ns.abort = function() {
+    $('#upload_modal').modal('close');
+    M.flash(kivi.t8("The transfer has been canceled by the user."));
+
+    ns.upload_in_progress = undefined;
+  };
+
+  ns.upload_complete = function() {
+    $('#upload_modal').modal('close');
+    M.flash(kivi.t8("Files have been uploaded successfully."));
+    kivi.FileDB.delete_all(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);