125 lines
4.2 KiB
JavaScript
125 lines
4.2 KiB
JavaScript
// @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL-v3-or-Later
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// Uploader view for the publisher.
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// Initializes the file uploader plugin and handles callbacks for the upload
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// progress. Attaches previews of finished uploads to the publisher.
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app.views.PublisherUploader = Backbone.View.extend({
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initialize: function(opts) {
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this.publisher = opts.publisher;
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this.publisher.photozoneEl.on("click", ".x", _.bind(this._removePhoto, this));
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// Initialize the PostPhotoUploader and subscribe its events
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this.uploader = new Diaspora.PostPhotoUploader(this.el);
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this.uploader.onUploadStarted = _.bind(this.uploadStartedHandler, this);
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this.uploader.onProgress = _.bind(this.progressHandler, this);
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this.uploader.onUploadCompleted = _.bind(this.uploadCompleteHandler, this);
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},
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// add photo placeholders to the publisher to indicate an upload in progress
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_addPhotoPlaceholder: function(id) {
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var publisher = this.publisher;
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publisher.setButtonsEnabled(false);
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publisher.wrapperEl.addClass("with_attachments");
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publisher.photozoneEl.append(
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"<li id=\"upload-" + id + "\"class=\"publisher_photo loading\" style=\"position:relative;\">" +
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" <div class=\"progress\">" +
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" <div class=\"progress-bar progress-bar-striped active\" role=\"progressbar\"></div>"+
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" </div>" +
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" <div class=\"spinner\"></div>" +
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"</li>"
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);
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},
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uploadStartedHandler: function(id) {
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this.$el.addClass("loading");
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this._addPhotoPlaceholder(id);
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},
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progressHandler: function(id, fileName, progress) {
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this.publisher.photozoneEl
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.find("li.loading#upload-" + id + " .progress-bar")
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.width(progress + "%");
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},
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uploadCompleteHandler: function(id, fileName, response) {
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if (response.success){
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var photoId = response.data.photo.id,
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image = response.data.photo.unprocessed_image;
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this._addFinishedPhoto(id, photoId, image);
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this.trigger("change");
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} else {
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this._cancelPhotoUpload(id);
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this.publisher.wrapperEl.find("#photodropzone_container").first().after(
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"<div id=\"upload_error\">" +
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Diaspora.I18n.t("photo_uploader.error", {file: fileName}) +
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"</div>"
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);
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this.trigger("change");
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}
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},
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// replace the first photo placeholder with the finished uploaded image and
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// add the id to the publishers form
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_addFinishedPhoto: function(id, photoId, image) {
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var publisher = this.publisher;
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// add form input element
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publisher.$(".content_creation form").append(
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"<input type=\"hidden\", value=\"" + photoId + "\" name=\"photos[]\" />"
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);
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// replace placeholder
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var placeholder = publisher.photozoneEl.find("li.loading#upload-" + id);
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placeholder
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.prepend(
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"<div class=\"x\"></div>" +
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"<div class=\"circle\"></div>" +
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"<img src=\"" + image.url + "\" data-id=\"" + photoId + "\" alt=\"\" class=\"hidden\" />"
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).removeClass("loading");
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placeholder.find("div.progress").remove();
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placeholder.find("img").on("load", function(ev) {
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$(ev.target).removeClass("hidden");
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placeholder.find(".spinner").remove();
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});
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// no more placeholders? enable buttons
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if (publisher.photozoneEl.find("li.loading").length === 0) {
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this.$el.removeClass("loading");
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publisher.setButtonsEnabled(true);
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}
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},
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_cancelPhotoUpload: function(id) {
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this.publisher.photozoneEl.find("li.loading#upload-" + id).remove();
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},
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// remove an already uploaded photo
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_removePhoto: function(evt) {
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var self = this;
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var photo = $(evt.target).parents(".publisher_photo");
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var img = photo.find("img");
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photo.addClass("dim");
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$.ajax({
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url: "/photos/"+img.attr("data-id"),
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dataType: "json",
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type: "DELETE",
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success: function() {
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photo.fadeOut(400, function() {
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photo.remove();
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if (self.publisher.$(".publisher_photo").length === 0) {
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// no more photos left...
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self.publisher.wrapperEl.removeClass("with_attachments");
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}
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self.trigger("change");
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});
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}
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});
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return false;
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}
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});
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// @license-end
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