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124 lines
3.2 KiB
JavaScript
124 lines
3.2 KiB
JavaScript
import { iconHTML } from 'discourse-common/lib/icon-library';
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import { bufferedRender } from 'discourse-common/lib/buffered-render';
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/*global Resumable:true */
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/**
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Example usage:
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{{resumable-upload
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target="/admin/backups/upload"
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success="successAction"
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error="errorAction"
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uploadText="UPLOAD"
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}}
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**/
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export default Ember.Component.extend(bufferedRender({
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tagName: "button",
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classNames: ["btn", "ru"],
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classNameBindings: ["isUploading"],
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attributeBindings: ["translatedTitle:title"],
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resumable: null,
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isUploading: false,
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progress: 0,
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rerenderTriggers: ['isUploading', 'progress'],
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translatedTitle: function() {
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const title = this.get('title');
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return title ? I18n.t(title) : this.get('text');
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}.property('title', 'text'),
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text: function() {
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if (this.get("isUploading")) {
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return this.get("progress") + " %";
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} else {
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return this.get("uploadText");
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}
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}.property("isUploading", "progress"),
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buildBuffer(buffer) {
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const icon = this.get("isUploading") ? "times" : "upload";
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buffer.push(iconHTML(icon));
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buffer.push("<span class='ru-label'>" + this.get("text") + "</span>");
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buffer.push("<span class='ru-progress' style='width:" + this.get("progress") + "%'></span>");
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},
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click: function() {
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if (this.get("isUploading")) {
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this.resumable.cancel();
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var self = this;
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Em.run.later(function() { self._reset(); });
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return false;
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} else {
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return true;
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}
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},
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_reset: function() {
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this.setProperties({ isUploading: false, progress: 0 });
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},
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_initialize: function() {
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this.resumable = new Resumable({
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target: Discourse.getURL(this.get("target")),
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maxFiles: 1, // only 1 file at a time
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headers: { "X-CSRF-Token": $("meta[name='csrf-token']").attr("content") }
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});
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var self = this;
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this.resumable.on("fileAdded", function() {
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// automatically upload the selected file
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self.resumable.upload();
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// mark as uploading
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Em.run.later(function() {
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self.set("isUploading", true);
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});
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});
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this.resumable.on("fileProgress", function(file) {
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// update progress
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Em.run.later(function() {
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self.set("progress", parseInt(file.progress() * 100, 10));
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});
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});
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this.resumable.on("fileSuccess", function(file) {
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Em.run.later(function() {
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// mark as not uploading anymore
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self._reset();
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// fire an event to allow the parent route to reload its model
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self.sendAction("success", file.fileName);
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});
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});
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this.resumable.on("fileError", function(file, message) {
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Em.run.later(function() {
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// mark as not uploading anymore
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self._reset();
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// fire an event to allow the parent route to display the error message
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self.sendAction("error", file.fileName, message);
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});
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});
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}.on("init"),
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_assignBrowse: function() {
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var self = this;
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Em.run.schedule("afterRender", function() {
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self.resumable.assignBrowse(self.$());
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});
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}.on("didInsertElement"),
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_teardown: function() {
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if (this.resumable) {
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this.resumable.cancel();
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this.resumable = null;
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}
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}.on("willDestroyElement")
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}));
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