dojox/form/uploader/Base.js

• Provides:

  • dojox.form.uploader.Base

• Requires:

  • dijit._Widget in common in project dijit
  • dijit._Templated in common in project dijit

• dojox.form.uploader.Base

  • type

    Function

  • chains:
    • dijit._Widget: (prototype)
    • dijit._Widget: (call)
    • dijit._Templated: (call)
  • mixins:
    • dijit._Templated.prototype: (prototype)
  • summary

• dojox.form.uploader.Base.getForm

  • type

    Function

  • source: [view]
      if(!this.form){
       var n = this.domNode;
       while(n && n.tagName && n !== document.body){
        if(n.tagName.toLowerCase() == "form"){
         this.form = n;
         break;
        }
        n = n.parentNode;
       }
      }
      return this.form // Node;
  • summary

    Finds the parent form of the Uploader, if it exists.

  • returns

    Node;

• dojox.form.uploader.Base.getUrl

  • type

    Function

  • source: [view]
      if(this.uploadUrl) this.url = this.uploadUrl;
      if(this.url) return this.url;
      if(this.getForm()) this.url = this.form.action;
      return this.url; // String
  • summary

    Finds the URL to upload to, whether it be the action in the parent form, this.url or
    this.uploadUrl

  • returns

    String

• dojox.form.uploader.Base.connectForm

  • type

    Function

  • source: [view]
    dojo.provide("dojox.form.uploader.Base");
    
    
    dojo.require("dijit._Widget");
    dojo.require("dijit._Templated");
    
    
    dojo.declare("dojox.form.uploader.Base", [dijit._Widget, dijit._Templated], {
     //
     // Version: 1.6
     //
     // summary:
     //   The Base class used for dojox.form.Uploader and dojox.form.uploader.FileList.
     //
     //  description:
     //   Should not be used as a standalone. To be mixed in with other classes.
     //
    
    
     getForm: function(){
      // summary:
      //   Finds the parent form of the Uploader, if it exists.
      //
      if(!this.form){
       var n = this.domNode;
       while(n && n.tagName && n !== document.body){
        if(n.tagName.toLowerCase() == "form"){
         this.form = n;
         break;
        }
        n = n.parentNode;
       }
      }
      return this.form // Node;
     },
    
    
     getUrl: function(){
      // summary:
      //   Finds the URL to upload to, whether it be the action in the parent form, this.url or
      //   this.uploadUrl
      //
      if(this.uploadUrl) this.url = this.uploadUrl;
      if(this.url) return this.url;
      if(this.getForm()) this.url = this.form.action;
      return this.url; // String
     },
    
    
    
    
     connectForm: function(){
      //console.log("connectForm...", this.url, !!this.uploadUrl, !!this.getForm())
    
    
      this.url = this.getUrl();
    
    
      if(!this._fcon && !!this.getForm()){
       this._fcon = true;
       this.connect(this.form, "onsubmit", function(evt){
        dojo.stopEvent(evt);
        this.submit(dojo.formToObject(this.form));
       });
       //console.log("----------------form connected:", this.url)
      }
      //console.log("form:", this.form, this.url);
  • returns

    Node;|String

  • summary

• dojox.form.uploader.Base.supports

  • type

    Function

  • parameters:
    • what: (typeof )
  • source: [view]
      if(!this._hascache){
       this._hascache = {
        testDiv: dojo.create("div"),
        testInput: dojo.create("input", {type:"file"}),
        xhr:!!window.XMLHttpRequest ? new XMLHttpRequest() : {}
       };
       dojo.style(this._hascache.testDiv, "opacity", .7);
      }
      switch(what){
       case "FormData":
        return !!window.FormData;
       case "sendAsBinary":
        return !!this._hascache.xhr.sendAsBinary;
       case "opacity":
        return dojo.style(this._hascache.testDiv, "opacity") == .7;
       case "multiple":
        if(this.force == "flash" || this.force == "iframe") return false;
        var res = dojo.attr(this._hascache.testInput, "multiple");
        return res===true || res===false; // IE will be undefined
      }
      return false; // Boolean
  • summary

    Does feature testing for uploader capabilities. (No browser sniffing - yay)

  • returns

    IE will be undefined|Boolean

• dojox.form.uploader.Base.getMimeType

  • type

    Function

  • source: [view]
      return "application/octet-stream"; //image/gif
  • summary

    Returns the mime type that should be used in an HTML5 upload form. Return result
    may change as the current use is very generic.

  • returns

    image/gif

• dojox.form.uploader.Base.getFileType

  • type

    Function

  • parameters:
    • name: (typeof String)
  • source: [view]
      return name.substring(name.lastIndexOf(".")+1).toUpperCase(); // String
  • summary

    Gets the extension of a file

  • returns

    String

• dojox.form.uploader.Base.convertBytes

  • type

    Function

  • parameters:
    • bytes: (typeof )
  • source: [view]
      var kb = Math.round(bytes/1024*100000)/100000;
      var mb = Math.round(bytes/1048576*100000)/100000;
      var gb = Math.round(bytes/1073741824*100000)/100000;
      var value = bytes;
      if(kb>1) value = kb.toFixed(1)+" kb";
      if(mb>1) value = mb.toFixed(1)+" mb";
      if(gb>1) value = gb.toFixed(1)+" gb";
      return {
       kb:kb,
       mb:mb,
       gb:gb,
       bytes:bytes,
       value: value
      }; // Object
  • summary

    Converts bytes. Returns an object with all conversions. The "value" property is
    considered the most likely desired result.

• dojox.form.uploader.Base.form

  • summary

• dojox.form.uploader.Base.url

  • summary

• dojox.form.uploader.Base._fcon

  • summary

• dojox.form.uploader.Base._hascache

  • summary

• dojox.form.uploader.Base.force

  • summary

• dojox.form.uploader

  • type

    Object

  • summary

• dojox.form

  • type

    Object

  • summary

• dojox

  • type

    Object

  • summary