socialforge/public/javascripts/avatars.js

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/* Redmine - project management software
Copyright (C) 2006-2013 Jean-Philippe Lang
Modified by Jianfeng Tao, to upload one avatar for user*/
(function(){
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function addFile(inputEl, file, eagerUpload) {
var fileSpan = $('#avatar_file');
//fileSpan.append(
// $('<input>', { type: 'text', 'class': 'filename readonly', name: 'avatar[filename]', readonly: 'readonly'} ).val(file.name),
// $('<a>&nbsp</a>').attr({ href: "#", 'class': 'remove-upload' }).click(removeFile).toggle(!eagerUpload)
//).appendTo('#avatar_fields');
if(eagerUpload) {
ajaxUpload(file, fileSpan, inputEl);
}
return 1;
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}
function ajaxUpload(file, fileSpan, inputEl) {
function onLoadstart(e) {
fileSpan.removeClass('ajax-waiting');
fileSpan.addClass('ajax-loading');
$('input:submit', $(this).parents('form')).attr('disabled', 'disabled');
}
function onProgress(e) {
if(e.lengthComputable) {
this.progressbar( 'value', e.loaded * 100 / e.total );
}
}
function actualUpload(file, fileSpan, inputEl) {
ajaxUpload.uploading++;
uploadBlob(file, $(inputEl).data('upload-path'),$(inputEl).data('source-type'), $(inputEl).data('source-id'),$(inputEl).data('is-direct'),{
loadstartEventHandler: onLoadstart.bind(progressSpan),
progressEventHandler: onProgress.bind(progressSpan)
})
.done(function(result) {
progressSpan.progressbar( 'value', 100 );
progressSpan.progressbar( 'destroy');
fileSpan.find('input.description, a').css('display', 'inline-block');
})
.fail(function(result) {
progressSpan.text(result.statusText);
}).always(function() {
ajaxUpload.uploading--;
fileSpan.removeClass('ajax-loading');
var form = fileSpan.parents('form');
// if (form.queue('upload').length == 0 && ajaxUpload.uploading == 0) {
// $('input:submit', form).removeAttr('disabled');
// }
// form.dequeue('upload');
});
}
var progressSpan = $('#upload_progressbar');
progressSpan.progressbar();
fileSpan.addClass('ajax-waiting');
var maxSyncUpload = $(inputEl).data('max-concurrent-uploads');
if(maxSyncUpload == null || maxSyncUpload <= 0 || ajaxUpload.uploading < maxSyncUpload)
actualUpload(file, fileSpan, inputEl);
else
$(inputEl).parents('form').queue('upload', actualUpload.bind(this, file, fileSpan, inputEl));
}
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ajaxUpload.uploading = 0;
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function removeFile() {
$(this).parent('span').remove();
return false;
}
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function uploadBlob(blob, uploadUrl, source_type,source_id,is_direct, options) {
var actualOptions = $.extend({
loadstartEventHandler: $.noop,
progressEventHandler: $.noop
}, options);
uploadUrl = uploadUrl + '?source_type=' + source_type + '&source_id=' + source_id + '&is_direct=' + is_direct;
if (blob instanceof window.File) {
uploadUrl += '&filename=' + encodeURIComponent(blob.name);
}
return $.ajax(uploadUrl, {
type: 'POST',
contentType: 'application/octet-stream',
beforeSend: function(jqXhr) {
jqXhr.setRequestHeader('Accept', 'application/js');
},
xhr: function() {
var xhr = $.ajaxSettings.xhr();
xhr.upload.onloadstart = actualOptions.loadstartEventHandler;
xhr.upload.onprogress = actualOptions.progressEventHandler;
return xhr;
},
data: blob,
cache: false,
processData: false
});
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}
window.addInputAvatar = function(inputEl) {
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// var clearedFileInput = $(inputEl).clone().val('');
if (inputEl.files) {
// upload files using ajax
uploadAndAttachFiles(inputEl.files, inputEl);
// $(inputEl).remove();
} else {
// browser not supporting the file API, upload on form submission
var avatarId;
var aFilename = inputEl.value.split(/\/|\\/);
avatarId = addFile(inputEl, { name: aFilename[ aFilename.length - 1 ] }, false);
if (avatarId) {
$(inputEl).attr({ name: 'avatar[file]', style: 'display:none;' }).appendTo('#avatar_image');
}
}
//clearedFileInput.insertAfter('#avatars_fields');
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}
function uploadAndAttachFiles(files, inputEl) {
var maxFileSize = $(inputEl).data('max-file-size');
var maxFileSizeExceeded = $(inputEl).data('max-file-size-message');
var sizeExceeded = false;
$.each(files, function() {
if (this.size && maxFileSize && this.size > parseInt(maxFileSize)) {sizeExceeded=true;}
});
if (sizeExceeded) {
window.alert(maxFileSizeExceeded);
} else {
uploadAndTypeFiles(files,inputEl);
//$.each(files, function() {addFile(inputEl, this, true);});
}
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}
function uploadAndTypeFiles(files, inputEl) {
var enableType = $(inputEl).data('file-type');
var typeSupportrdMessage = $(inputEl).data('type-support-message');
if (enableType == null || enableType.trim() == "")
{
$.each(files, function() {addFile(inputEl, this, true);});
return;
}
var typeSupported = false;
$.each(files, function() {
var a = this.name.split('.');
var type = a[a.length-1];
var rs = enableType.indexOf(type);
if(rs >= 0) {typeSupported = true }
});
if (typeSupported) {
$.each(files, function() {addFile(inputEl, this, true);});
} else {
window.alert(typeSupportrdMessage + enableType);
}
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}
function handleFileDropEvent(e) {
$(this).removeClass('fileover');
blockEventPropagation(e);
if ($.inArray('Files', e.dataTransfer.types) > -1) {
uploadAndAttachFiles(e.dataTransfer.files, $('input:file.file_selector'));
}
}
function dragOverHandler(e) {
$(this).addClass('fileover');
blockEventPropagation(e);
}
function dragOutHandler(e) {
$(this).removeClass('fileover');
blockEventPropagation(e);
}
function setupFileDrop() {
console.log("setupFileDrop");
$('#avatar_image').on('click', function(){
console.log("click");
});
if (window.File && window.FileList && window.ProgressEvent && window.FormData) {
$.event.fixHooks.drop = { props: [ 'dataTransfer' ] };
$('form div.box').has('input:file').each(function() {
$(this).on({
dragover: dragOverHandler,
dragleave: dragOutHandler,
drop: handleFileDropEvent
});
});
}
}
$(document).ready(setupFileDrop);
})();