forked from extern/egroupware
771 lines
20 KiB
TypeScript
771 lines
20 KiB
TypeScript
/**
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* EGroupware eTemplate2 - JS Number object
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link https://www.egroupware.org
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* @author Nathan Gray
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* @copyright Nathan Gray 2011
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*/
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/*egw:uses
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et2_core_inputWidget;
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api.Resumable.resumable;
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*/
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import "../Resumable/resumable.js";
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import {et2_inputWidget} from "./et2_core_inputWidget";
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import {et2_register_widget, WidgetConfig} from "./et2_core_widget";
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import {ClassWithAttributes} from "./et2_core_inheritance";
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import {et2_no_init} from "./et2_core_common";
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import {et2_DOMWidget} from "./et2_core_DOMWidget";
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import {et2_vfsSize} from "./et2_widget_vfs";
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/**
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* Class which implements file upload
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*
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* @augments et2_inputWidget
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*/
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export class et2_file extends et2_inputWidget
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{
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static readonly _attributes : any = {
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"multiple": {
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"name": "Multiple files",
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"type": "boolean",
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"default": false,
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"description": "Allow the user to select more than one file to upload at a time. Subject to browser support."
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},
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"max_file_size": {
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"name": "Maximum file size",
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"type": "integer",
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"default":0,
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"description": "Largest file accepted, in bytes. Subject to server limitations. 8MB = 8388608"
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},
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"mime": {
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"name": "Allowed file types",
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"type": "string",
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"default": et2_no_init,
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"description": "Mime type (eg: image/png) or regex (eg: /^text\//i) for allowed file types"
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},
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"blur": {
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"name": "Placeholder",
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"type": "string",
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"default": "",
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"description": "This text get displayed if an input-field is empty and does not have the input-focus (blur). It can be used to show a default value or a kind of help-text."
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},
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"progress": {
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"name": "Progress node",
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"type": "string",
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"default": et2_no_init,
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"description": "The ID of an alternate node (div) to display progress and results. The Node is fetched with et2 getWidgetById so you MUST use the id assigned in XET-File (it may not be available at creation time, so we (re)check on createStatus time)"
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},
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"onStart": {
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"name": "Start event handler",
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"type": "any",
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"default": et2_no_init,
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"description": "A (js) function called when an upload starts. Return true to continue with upload, false to cancel."
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},
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"onFinish": {
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"name": "Finish event handler",
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"type": "any",
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"default": et2_no_init,
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"description": "A (js) function called when all files to be uploaded are finished."
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},
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drop_target: {
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"name": "Optional, additional drop target for HTML5 uploads",
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"type": "string",
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"default": et2_no_init,
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"description": "The ID of an additional drop target for HTML5 drag-n-drop file uploads"
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},
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label: {
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"name": "Label of file upload",
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"type": "string",
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"default": "Choose file...",
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"description": "String caption to be displayed on file upload span"
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},
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progress_dropdownlist: {
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"name": "List on files in progress like dropdown",
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"type": "boolean",
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"default": false,
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"description": "Style list of files in uploading progress like dropdown list with a total upload progress indicator"
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},
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onFinishOne: {
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"name": "Finish event handler for each one",
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"type": "js",
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"default": et2_no_init,
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"description": "A (js) function called when a file to be uploaded is finished."
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},
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accept: {
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"name": "Acceptable extensions",
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"type": "string",
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"default": '',
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"description": "Define types of files that the server accepts. Multiple types can be seperated by comma and the default is to accept everything."
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},
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chunk_size: {
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"name": "Chunk size",
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"type": "integer",
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"default": 1024*1024,
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"description": "Max chunk size, gets set from server-side PHP (max_upload_size-1M)/2" // last chunk can be up to 2*chunk_size!
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}
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};
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asyncOptions : any = {};
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input : JQuery = null;
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progress : JQuery = null;
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span : JQuery = null;
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disabled_buttons : JQuery;
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resumable : any;
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/**
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* Constructor
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*
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* @memberOf et2_file
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*/
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constructor(_parent, _attrs? : WidgetConfig, _child? : object)
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{
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// Call the inherited constructor
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super(_parent, _attrs, ClassWithAttributes.extendAttributes(et2_file._attributes, _child || {}));
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this.node = null;
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this.input = null;
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this.progress = null;
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this.span = null;
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// Contains all submit buttons need to be disabled during upload process
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this.disabled_buttons = jQuery("input[type='submit'], button");
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// Make sure it's an object, not an array, or values get lost when sent to server
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this.options.value = jQuery.extend({},this.options.value);
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if(!this.options.id) {
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console.warn("File widget needs an ID. Used 'file_widget'.");
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this.options.id = "file_widget";
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}
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// Legacy - id ending in [] means multiple
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if(this.options.id.substr(-2) == "[]")
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{
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this.options.multiple = true;
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}
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// If ID ends in /, it's a directory - allow multiple
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else if (this.options.id.substr(-1) === "/")
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{
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this.options.multiple = true;
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_attrs.multiple = true;
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}
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// Set up the URL to have the request ID & the widget ID
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var instance = this.getInstanceManager();
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let self = this;
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this.asyncOptions = jQuery.extend({
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},this.getAsyncOptions(this));
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this.asyncOptions.fieldName = this.options.id;
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this.createInputWidget();
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this.set_readonly(this.options.readonly);
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}
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destroy()
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{
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super.destroy();
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this.set_drop_target(null);
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this.node = null;
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this.input = null;
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this.span = null;
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this.progress = null;
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}
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createInputWidget()
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{
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this.node = <HTMLElement><unknown>jQuery(document.createElement("div")).addClass("et2_file");
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this.span = jQuery(document.createElement("et2-button"))
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.addClass('et2_file_span')
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.attr("image", "attach")
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.attr('label', this.options.label || '')
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.attr("noSubmit", true)
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.appendTo(this.node);
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let span = this.span;
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this.input = jQuery(document.createElement("input"))
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.attr("type", "file").attr("placeholder", this.options.blur)
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.addClass("et2_file_upload")
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.appendTo(this.node)
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.hover(function()
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{
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jQuery(span)
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.toggleClass('et2_file_spanHover');
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})
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.on({
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mousedown:function (){
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jQuery(span).addClass('et2_file_spanActive');
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},
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mouseup:function (){
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jQuery(span).removeClass('et2_file_spanActive');
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}
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});
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let self = this;
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// trigger native input upload file
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if (!this.options.readonly) this.span.click(function(){self.input.click()});
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// Check for File interface, should fall back to normal form submit if missing
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if(typeof File != "undefined" && typeof (new XMLHttpRequest()).upload != "undefined")
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{
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this.resumable = new Resumable(this.asyncOptions);
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this.resumable.assignBrowse(this.input);
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this.resumable.on('fileAdded', jQuery.proxy(this._fileAdded, this));
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this.resumable.on('fileProgress', jQuery.proxy(this._fileProgress, this));
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this.resumable.on('fileSuccess', jQuery.proxy(this.finishUpload, this));
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this.resumable.on('complete', jQuery.proxy(this.onFinish, this));
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}
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else
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{
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// This may be a problem submitting via ajax
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}
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if (this.options.accept) this.input.attr('accept', this.options.accept);
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if(this.options.progress)
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{
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let widget = this.getRoot().getWidgetById(this.options.progress);
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if(widget)
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{
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//may be not available at createInputWidget time
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this.progress = jQuery(widget.getDOMNode());
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}
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}
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if(!this.progress)
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{
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this.progress = jQuery(document.createElement("div")).appendTo(this.node);
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}
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this.progress.addClass("progress");
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if(this.options.multiple)
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{
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this.input.attr("multiple","multiple");
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}
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this.setDOMNode(this.node[0]);
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// set drop target to widget dom node if no target option is specified
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if (!this.options.drop_target) this.resumable.assignDrop([this.getDOMNode()]);
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}
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/**
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* Get any specific async upload options
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*/
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getAsyncOptions(self: et2_file)
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{
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return {
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// Callbacks
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onStart: function(event, file_count) {
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return self.onStart(event, file_count);
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},
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onFinish: function(event, file_count) {
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self.onFinish.apply(self, [event, file_count])
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},
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onStartOne: function(event, file_name, index, file_count) {
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},
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onFinishOne: function(event, response, name, number, total) { return self.finishUpload(event,response,name,number,total);},
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onProgress: function(event, progress, name, number, total) { return self.onProgress(event,progress,name,number,total);},
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onError: function(event, name, error) { return self.onError(event,name,error);},
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beforeSend: function(form) { return self.beforeSend(form);},
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chunkSize: this.options.chunk_size || 1024*1024,
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target: egw.ajaxUrl("EGroupware\\Api\\Etemplate\\Widget\\File::ajax_upload"),
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query: function(file) {return self.beforeSend(file);},
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// Disable checking for already uploaded chunks
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testChunks: false
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};
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}
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/**
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* Set a widget or DOM node as a HTML5 file drop target
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*
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* @param {string} new_target widget ID or DOM node ID to be used as a new target
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*/
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set_drop_target(new_target : string)
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{
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// Cancel old drop target
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if(this.options.drop_target)
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{
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let widget = this.getRoot().getWidgetById(this.options.drop_target);
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let drop_target = widget && widget.getDOMNode() || document.getElementById(this.options.drop_target);
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if(drop_target)
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{
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this.resumable.unAssignDrop(drop_target);
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}
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}
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this.options.drop_target = new_target;
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if(!this.options.drop_target) return;
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// Set up new drop target
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let widget = <et2_DOMWidget>this.getRoot().getWidgetById(this.options.drop_target);
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let drop_target = widget && widget.getDOMNode() || document.getElementById(this.options.drop_target);
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if(drop_target)
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{
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this.resumable.assignDrop([drop_target]);
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}
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else
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{
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this.egw().debug("warn", "Did not find file drop target %s", this.options.drop_target);
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}
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}
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attachToDOM()
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{
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let res = super.attachToDOM();
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// Override parent's change, file widget will fire change when finished uploading
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this.input.unbind("change.et2_inputWidget");
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return res;
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}
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getValue()
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{
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return this.options.value ? this.options.value : this.input.val();
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}
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/**
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* Set the value of the file widget.
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*
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* If you pass a FileList or list of files, it will trigger the async upload
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*
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* @param {FileList|File[]|false} value List of files to be uploaded, or false to reset.
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* @param {Event} event Most browsers require the user to initiate file transfers in some way.
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* Pass the event in, if you have it.
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*/
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set_value(value, event?) : boolean
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{
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if (!value || typeof value == "undefined") {
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value = {};
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}
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if (jQuery.isEmptyObject(value)) {
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this.options.value = {};
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if (this.resumable.progress() == 1) this.progress.empty();
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// Reset the HTML element
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this.input.wrap('<form>').closest('form').get(0).reset();
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this.input.unwrap();
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return;
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}
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let addFile = jQuery.proxy(function (i, file) {
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this.resumable.addFile(file, event);
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}, this);
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if (typeof value == 'object' && value.length && typeof value[0] == 'object' && value[0].name) {
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try {
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this.input[0].files = value;
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jQuery.each(value, addFile);
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} catch (e) {
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var self = this;
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var args = arguments;
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jQuery.each(value, addFile);
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}
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}
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}
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/**
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* Set the value for label
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* The label is used as caption for span tag which customize the HTML file upload styling
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*
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* @param {string} value text value of label
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*/
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set_label(value)
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{
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if (this.span != null && value != null)
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{
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this.span.label = value;
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}
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}
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getInputNode()
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{
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if (typeof this.input == 'undefined') return <HTMLElement><unknown>false;
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return this.input[0];
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}
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set_mime(mime)
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{
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if(!mime)
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{
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this.options.mime = null;
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}
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if(mime.indexOf("/") != 0)
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{
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// Lower case it now, if it's not a regex
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this.options.mime = mime.toLowerCase();
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}
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else
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{
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this.options.mime = mime;
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}
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}
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set_multiple(_multiple)
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{
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this.options.multiple = _multiple;
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if(_multiple)
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{
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return this.input.attr("multiple", "multiple");
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}
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return this.input.removeAttr("multiple");
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}
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/**
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* Check to see if the provided file's mimetype matches
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*
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* @param f File object
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* @return boolean
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*/
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checkMime(f)
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{
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if(!this.options.mime) return true;
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let mime: string | RegExp = '';
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if(this.options.mime.indexOf("/") != 0)
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{
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// Lower case it now, if it's not a regex
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mime = this.options.mime.toLowerCase();
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}
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else
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{
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// Convert into a js regex
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var parts = this.options.mime.substr(1).match(/(.*)\/([igm]?)$/);
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mime = new RegExp(parts[1],parts.length > 2 ? parts[2] : "");
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}
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// If missing, let the server handle it
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if(!mime || !f.type) return true;
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var is_preg = (typeof mime == "object");
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if(!is_preg && f.type.toLowerCase() == mime || is_preg && mime.test(f.type))
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{
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return true;
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}
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// Not right mime
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return false;
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}
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private _fileAdded(file,event)
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{
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// Manual additions have no event
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if(typeof event == 'undefined')
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{
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event = {};
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}
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// Trigger start of uploading, calls callback
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if(!this.resumable.isUploading())
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{
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if (!(this.onStart(event,this.resumable.files.length))) return;
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}
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// Here 'this' is the input
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if(this.checkMime(file.file))
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{
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if(this.createStatus(event,file))
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{
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// Disable buttons
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this.disabled_buttons
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.not("[disabled]")
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.attr("disabled", true)
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.addClass('et2_button_ro')
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.removeClass('et2_clickable')
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.css('cursor', 'default');
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// Actually start uploading
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this.resumable.upload();
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}
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}
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else
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{
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// Wrong mime type - show in the list of files
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return this.createStatus(
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this.egw().lang("File is of wrong type (%1 != %2)!", file.file.type, this.options.mime),
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file
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);
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}
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}
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/**
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* Add in the request id
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*/
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beforeSend(form) {
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var instance = this.getInstanceManager();
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return {
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request_id: instance.etemplate_exec_id,
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widget_id: this.id
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};
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}
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/**
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* Disables submit buttons while uploading
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*/
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onStart(event, file_count) {
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// Hide any previous errors
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this.hideMessage();
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event.data = this;
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//Add dropdown_progress
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if (this.options.progress_dropdownlist)
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{
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this._build_progressDropDownList();
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}
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// Callback
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if(this.options.onStart) return et2_call(this.options.onStart, event, file_count);
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return true;
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}
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/**
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* Re-enables submit buttons when done
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*/
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onFinish() {
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this.disabled_buttons.removeAttr("disabled").css('cursor','pointer').removeClass('et2_button_ro');
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var file_count = this.resumable.files.length;
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// Remove files from list
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while(this.resumable.files.length > 0)
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{
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this.resumable.removeFile(this.resumable.files[this.resumable.files.length -1]);
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}
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var event = jQuery.Event('upload');
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event.data = this;
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var result = false;
|
|
|
|
//Remove progress_dropDown_fileList class and unbind the click handler from body
|
|
if (this.options.progress_dropdownlist)
|
|
{
|
|
this.progress.removeClass("progress_dropDown_fileList");
|
|
jQuery(this.node).find('span').removeClass('totalProgress_loader');
|
|
jQuery('body').off('click');
|
|
}
|
|
|
|
if(this.options.onFinish && !jQuery.isEmptyObject(this.getValue()))
|
|
{
|
|
result = et2_call(this.options.onFinish, event, file_count);
|
|
}
|
|
else
|
|
{
|
|
result = (file_count == 0 || !jQuery.isEmptyObject(this.getValue()));
|
|
}
|
|
if(result)
|
|
{
|
|
// Fire legacy change action when done
|
|
this.change(this.input);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Build up dropdown progress with total count indicator
|
|
*
|
|
* @todo Implement totalProgress bar instead of ajax-loader, in order to show how much percent of uploading is completed
|
|
*/
|
|
private _build_progressDropDownList()
|
|
{
|
|
this.progress.addClass("progress_dropDown_fileList");
|
|
|
|
//Add uploading indicator and bind hover handler on it
|
|
jQuery(this.node).find('span').addClass('totalProgress_loader');
|
|
|
|
jQuery(this.node).find('span.et2_file_span').hover(function(){
|
|
jQuery('.progress_dropDown_fileList').show();
|
|
});
|
|
//Bind click handler to dismiss the dropdown while uploading
|
|
jQuery('body').on('click', function(event){
|
|
if (event.target.className != 'remove')
|
|
{
|
|
jQuery('.progress_dropDown_fileList').hide();
|
|
}
|
|
});
|
|
|
|
}
|
|
|
|
/**
|
|
* Creates the elements used for displaying the file, and it's upload status, and
|
|
* attaches them to the DOM
|
|
*
|
|
* @param _event Either the event, or an error message
|
|
*/
|
|
createStatus(_event, file)
|
|
{
|
|
var error = (typeof _event == "object" ? "" : _event);
|
|
|
|
if(this.options.max_file_size && file.size > this.options.max_file_size) {
|
|
error = this.egw().lang("File too large. Maximum %1", et2_vfsSize.prototype.human_size(this.options.max_file_size));
|
|
}
|
|
|
|
if(this.options.progress)
|
|
{
|
|
var widget = <et2_DOMWidget>this.getRoot().getWidgetById(this.options.progress);
|
|
if(widget)
|
|
{
|
|
this.progress = jQuery(widget.getDOMNode());
|
|
this.progress.addClass("progress");
|
|
}
|
|
}
|
|
if(this.progress)
|
|
{
|
|
var fileName = file.fileName || 'file';
|
|
var status = jQuery("<li data-file='"+fileName.replace(/'/g, '"')+"'>"+fileName
|
|
+"<div class='remove'/><span class='progressBar'><p/></span></li>")
|
|
.appendTo(this.progress);
|
|
jQuery("div.remove",status).on('click', file, jQuery.proxy(this.cancel,this));
|
|
if(error != "")
|
|
{
|
|
status.addClass("message ui-state-error");
|
|
status.append("<div>"+error+"</diff>");
|
|
jQuery(".progressBar",status).css("display", "none");
|
|
}
|
|
}
|
|
return error == "";
|
|
}
|
|
|
|
private _fileProgress(file)
|
|
{
|
|
if(this.progress)
|
|
{
|
|
jQuery("li[data-file='"+file.fileName.replace(/'/g, '"')+"'] > span.progressBar > p").css("width", Math.ceil(file.progress()*100)+"%");
|
|
|
|
}
|
|
return true;
|
|
}
|
|
|
|
onError(event, name, error)
|
|
{
|
|
console.warn(event,name,error);
|
|
}
|
|
|
|
/**
|
|
* A file upload is finished, update the UI
|
|
*/
|
|
finishUpload(file, response)
|
|
{
|
|
var name = file.fileName || 'file';
|
|
|
|
if(typeof response == 'string') response = jQuery.parseJSON(response);
|
|
if(response.response[0] && typeof response.response[0].data.length == 'undefined') {
|
|
if(typeof this.options.value !== 'object' || !this.options.multiple)
|
|
{
|
|
this.set_value({});
|
|
}
|
|
for(var key in response.response[0].data) {
|
|
if(typeof response.response[0].data[key] == "string")
|
|
{
|
|
// Message from server - probably error
|
|
jQuery("[data-file='"+name.replace(/'/g, '"')+"']",this.progress)
|
|
.addClass("error")
|
|
.css("display", "block")
|
|
.text(response.response[0].data[key]);
|
|
}
|
|
else
|
|
{
|
|
this.options.value[key] = response.response[0].data[key];
|
|
// If not multiple, we already destroyed the status, so re-create it
|
|
if(!this.options.multiple)
|
|
{
|
|
this.createStatus({}, file);
|
|
}
|
|
if(this.progress)
|
|
{
|
|
jQuery("[data-file='"+name.replace(/'/g, '"')+"']",this.progress).addClass("message success");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (this.progress)
|
|
{
|
|
jQuery("[data-file='"+name.replace(/'/g, '"')+"']",this.progress)
|
|
.addClass("ui-state-error")
|
|
.css("display", "block")
|
|
.text(this.egw().lang("Server error"));
|
|
}
|
|
var event = jQuery.Event('upload');
|
|
|
|
event.data = this;
|
|
|
|
// Callback
|
|
if(typeof this.onFinishOne == 'function')
|
|
{
|
|
this.onFinishOne(event, response, name);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Remove a file from the list of values
|
|
*
|
|
* @param {File|string} File object, or file name, to remove
|
|
*/
|
|
remove_file(file)
|
|
{
|
|
//console.info(filename);
|
|
if(typeof file == 'string')
|
|
{
|
|
file = {fileName: file};
|
|
}
|
|
for(var key in this.options.value)
|
|
{
|
|
if(this.options.value[key].name == file.fileName)
|
|
{
|
|
delete this.options.value[key];
|
|
jQuery('[data-file="'+file.fileName.replace(/'/g, '"')+'"]',this.node).remove();
|
|
return;
|
|
}
|
|
}
|
|
if(file.isComplete && !file.isComplete() && file.cancel) file.cancel();
|
|
}
|
|
|
|
/**
|
|
* Cancel a file - event callback
|
|
*/
|
|
cancel(e)
|
|
{
|
|
e.preventDefault();
|
|
// Look for file name in list
|
|
var target = jQuery(e.target).parents("li");
|
|
|
|
this.remove_file(e.data);
|
|
|
|
// In case it didn't make it to the list (error)
|
|
target.remove();
|
|
jQuery(e.target).remove();
|
|
}
|
|
|
|
/**
|
|
* Set readonly
|
|
*
|
|
* @param {boolean} _ro boolean readonly state, true means readonly
|
|
*/
|
|
set_readonly(_ro)
|
|
{
|
|
if (typeof _ro != "undefined")
|
|
{
|
|
this.options.readonly = _ro;
|
|
this.span.toggleClass('et2_file_ro',_ro);
|
|
if (this.options.readonly)
|
|
{
|
|
this.span.unbind('click');
|
|
}
|
|
else
|
|
{
|
|
var self = this;
|
|
this.span.off().bind('click',function(){self.input.click()});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
et2_register_widget(et2_file, ["file"]); |