silverstripe-cms/javascript/CMSMain_upload.js

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JavaScript
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/**
* This class is used for upload in asset part.
* If one of methods is not commented look for comment in Upload.js
*/
CMSMain_upload = Class.create();
CMSMain_upload.prototype = {
initialize: function() {
// Due to a bug in the flash plugin on Linux and Mac, we need at least version 9.0.64 to use SWFUpload
if(navigator.appVersion.indexOf("Mac") != -1 || navigator.appVersion.indexOf("X11") != -1 || navigator.appVersion.indexOf("Linux") != -1) {
pv = getFlashPlayerVersion();
if(pv.major < 9 || (pv.major == 9 && pv.minor == 0 && pv.rev < 64)) {
return;
}
}
this.iframe = window.top.document.getElementById('AssetAdmin_upload');
this.onLoad();
},
onLoad: function() {
this.upload = new Upload({
fileUploadLimit : '6',
securityID : $('SecurityID').value,
beginUploadOnQueue : false,
fileQueued : this.uploadFileQueuedCallback.bind(this),
fileProgress : this.uploadProgressCallback.bind(this),
fileCancelled : this.uploadFileCancelCallback.bind(this),
fileComplete : this.uploadFileCompleteCallback.bind(this),
queueComplete : this.uploadQueueCompleteCallback.bind(this),
buildUI : this.extendForm.bind(this)
});
},
/**
* Builds UI, called only when Upload object will be able to create flash uploader.
*/
extendForm: function() {
if(this.iframe.contentDocument == undefined) this.iframe.contentDocument = document.frames[0].document;//IE HACK
element = this.iframe.contentDocument.getElementById('Form_UploadForm');
inputFile = this.iframe.contentDocument.getElementById('Form_UploadForm_Files-0');
inputFileParent = inputFile.parentNode;
inputFileParent.removeChild(inputFile);
inputFile = this.iframe.contentDocument.createElement('input');
inputFile.type = 'text';
inputFile.id = 'Form_UploadForm_Files-0';
inputFileParent.appendChild(inputFile);
inputButton = this.iframe.contentDocument.getElementById('Form_UploadForm_Files-1');
if(inputButton != null) inputButton.parentNode.removeChild(inputButton);
inputButton = this.iframe.contentDocument.createElement('input');
inputButton.type = 'button';
inputButton.id = 'Form_UploadForm_Files-1';
inputButton.value = ' Browse...';
inputButton.style.width = '66px';
inputButton.style.height = '19px';
inputButton.style.position = 'relative';
inputButton.style.top = '1px';
inputButton.style.fontFamily = 'Arial';
inputButton.style.fontSize = '1.06em';
inputFileParent.appendChild(inputButton);
Event.observe(inputButton,'click',this.onBrowseClick.bind(this));
Event.observe(this.iframe.contentDocument.getElementById('Form_UploadForm_action_upload'),'click',this.onUploadClick.bind(this));
},
onBrowseClick: function(event) {
this.upload.browse();
},
onUploadClick: function(event) {
Event.stop(event);
this.upload.startUpload();
},
uploadFileQueuedCallback: function(file,queueLength) {
this.upload.setFolderID(this.iframe.contentDocument.getElementById('Form_UploadForm_ID').value);
this.iframe.contentDocument.getElementById('Form_UploadForm_action_upload').disabled = false;
var fileContainer = this.iframe.contentDocument.getElementById('Form_UploadForm_FilesList');
if(fileContainer == null) {
fileContainer = this.iframe.contentDocument.createElement('div');
fileContainer.id = 'Form_UploadForm_FilesList';
this.iframe.contentDocument.getElementById('Form_UploadForm').appendChild(fileContainer);
}
var fileToUpload = this.iframe.contentDocument.createElement('div');
fileToUpload.id = 'Form_UploadForm_FilesList_' + file.id;
fileToUpload.style.marginBottom = '3px';
fileContainer.appendChild(fileToUpload);
var fileName = this.iframe.contentDocument.createElement('div');
fileName.id = 'Form_UploadForm_FilesList_Name_' + file.id;
fileName.style.position = 'relative';
fileName.style.top = '-4px';
fileName.style.display = 'inline';
fileName.style.padding = '2px';
fileName.innerHTML = file.name;
fileName.style.height = Element.getDimensions(fileName).height + 1 + 'px';//IE hack
fileToUpload.appendChild(fileName);
var fileProgress = this.iframe.contentDocument.createElement('div');
fileProgress.id = 'Form_UploadForm_FilesList_Progress_' + file.id;
Position.clone(fileName,fileProgress);
fileProgress.style.backgroundColor = 'black';
fileProgress.style.display = 'inline';
fileProgress.style.position = 'absolute';
fileProgress.style.left = '5px';
fileProgress.style.width = '0px';
fileProgress.finished = false;
switch(BrowserDetect.browser) {
case 'Explorer':
fileProgress.style.top = parseInt(fileProgress.style.top) + 6 + 'px';
break;
case 'Safari':
fileProgress.style.top = parseInt(fileProgress.style.top) + 4 + 'px';
break;
case 'Firefox':
fileProgress.style.top = parseInt(fileProgress.style.top) + 8 + 'px';
break;
}
fileProgress.style.height = Element.getDimensions(fileName).height + 1 + 'px';
fileToUpload.appendChild(fileProgress);
var fileDelete = this.iframe.contentDocument.createElement('input');
fileDelete.id = file.id;
fileDelete.type = 'button';
fileDelete.value = 'Delete';
Element.addClassName(fileDelete,'delete');
fileToUpload.appendChild(fileDelete);
Event.observe(fileDelete,'click',this.uploadFileCancelCallback.bind(this));
},
uploadProgressCallback: function(file,bytesLoaded) {
fileName = this.iframe.contentDocument.getElementById('Form_UploadForm_FilesList_Name_' + file.id);
fileName.style.border = 'solid 1px black';
fileProgress = this.iframe.contentDocument.getElementById('Form_UploadForm_FilesList_Progress_' + file.id);
fileProgress.style.opacity = 0.3;fileProgress.style.filter = 'alpha(opacity=30)';
if(!fileProgress.cloned) {
Position.clone(fileName,fileProgress);
fileProgress.style.width = '0px';
fileProgress.cloned = true;
}
fileProgress.style.width = (bytesLoaded / file.size) * Element.getDimensions(fileName).width - 1 + 'px';
},
uploadFileCompleteCallback: function(file,serverData) {
this.iframe.contentDocument.getElementById('Form_UploadForm_FilesList_Progress_' + file.id).finished = true;
},
uploadFileCancelCallback: function(event) {
element = Event.element(event);
fileId = element.id;
fileContainer = this.iframe.contentDocument.getElementById('Form_UploadForm_FilesList');
elementToDelete = this.iframe.contentDocument.getElementById('Form_UploadForm_FilesList_' + fileId);
elementToDelete.parentNode.removeChild(elementToDelete);
filesToUpload = fileContainer.childNodes.length;
if(filesToUpload > 0) {
this.iframe.contentDocument.getElementById('Form_UploadForm_action_upload').disabled = false;
} else {
this.iframe.contentDocument.getElementById('Form_UploadForm_action_upload').disabled = true;
}
$A(fileContainer.childNodes).each(
function(item) {
$A(item.childNodes).each(
function(item) {
if(item.id.indexOf('Name') != -1) {
fileName = item;
}
if(item.id.indexOf('Progress') != -1) {
fileProgress = item;
}
});
Position.clone(fileName,fileProgress);
if(fileProgress.finished == false) fileProgress.style.width = '0px';
}
);
},
uploadQueueCompleteCallback: function() {
eval(this.upload.getUploadMessage().replace('1',this.upload.getFilesUploaded()));
}
}
window.top.document.CMSMain_upload = CMSMain_upload;