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/*
* jQuery File Upload AngularJS Plugin
* https://github.com/blueimp/jQuery-File-Upload
*
* Copyright 2013, Sebastian Tschan
* https://blueimp.net
*
* Licensed under the MIT license:
* https://opensource.org/licenses/MIT
*/
/* jshint nomen:false */
/* global define, angular, require */
;(function (factory) {
'use strict';
if (typeof define === 'function' && define.amd) {
// Register as an anonymous AMD module:
define([
'jquery',
'angular',
'./jquery.fileupload-image',
'./jquery.fileupload-audio',
'./jquery.fileupload-video',
'./jquery.fileupload-validate'
], factory);
} else if (typeof exports === 'object') {
// Node/CommonJS:
factory(
require('jquery'),
require('angular'),
require('./jquery.fileupload-image'),
require('./jquery.fileupload-audio'),
require('./jquery.fileupload-video'),
require('./jquery.fileupload-validate')
);
} else {
factory();
}
}(function () {
'use strict';
angular.module('blueimp.fileupload', [])
// The fileUpload service provides configuration options
// for the fileUpload directive and default handlers for
// File Upload events:
.provider('fileUpload', function () {
var scopeEvalAsync = function (expression) {
var scope = angular.element(this)
.fileupload('option', 'scope');
// Schedule a new $digest cycle if not already inside of one
// and evaluate the given expression:
scope.$evalAsync(expression);
},
addFileMethods = function (scope, data) {
var files = data.files,
file = files[0];
angular.forEach(files, function (file, index) {
file._index = index;
file.$state = function () {
return data.state();
};
file.$processing = function () {
return data.processing();
};
file.$progress = function () {
return data.progress();
};
file.$response = function () {
return data.response();
};
});
file.$submit = function () {
if (!file.error) {
return data.submit();
}
};
file.$cancel = function () {
return data.abort();
};
},
$config;
$config = this.defaults = {
handleResponse: function (e, data) {
var files = data.result && data.result.files;
if (files) {
data.scope.replace(data.files, files);
} else if (data.errorThrown ||
data.textStatus === 'error') {
data.files[0].error = data.errorThrown ||
data.textStatus;
}
},
add: function (e, data) {
if (e.isDefaultPrevented()) {
return false;
}
var scope = data.scope,
filesCopy = [];
angular.forEach(data.files, function (file) {
filesCopy.push(file);
});
scope.$parent.$applyAsync(function () {
addFileMethods(scope, data);
var method = scope.option('prependFiles') ?
'unshift' : 'push';
Array.prototype[method].apply(scope.queue, data.files);
});
data.process(function () {
return scope.process(data);
}).always(function () {
scope.$parent.$applyAsync(function () {
addFileMethods(scope, data);
scope.replace(filesCopy, data.files);
});
}).then(function () {
if ((scope.option('autoUpload') ||
data.autoUpload) &&
data.autoUpload !== false) {
data.submit();
}
});
},
done: function (e, data) {
if (e.isDefaultPrevented()) {
return false;
}
var that = this;
data.scope.$apply(function () {
data.handleResponse.call(that, e, data);
});
},
fail: function (e, data) {
if (e.isDefaultPrevented()) {
return false;
}
var that = this,
scope = data.scope;
if (data.errorThrown === 'abort') {
scope.clear(data.files);
return;
}
scope.$apply(function () {
data.handleResponse.call(that, e, data);
});
},
stop: scopeEvalAsync,
processstart: scopeEvalAsync,
processstop: scopeEvalAsync,
getNumberOfFiles: function () {
var scope = this.scope;
return scope.queue.length - scope.processing();
},
dataType: 'json',
autoUpload: false
};
this.$get = [
function () {
return {
defaults: $config
};
}
];
})
// Format byte numbers to readable presentations:
.provider('formatFileSizeFilter', function () {
var $config = {
// Byte units following the IEC format
// http://en.wikipedia.org/wiki/Kilobyte
units: [
{size: 1000000000, suffix: ' GB'},
{size: 1000000, suffix: ' MB'},
{size: 1000, suffix: ' KB'}
]
};
this.defaults = $config;
this.$get = function () {
return function (bytes) {
if (!angular.isNumber(bytes)) {
return '';
}
var unit = true,
i = 0,
prefix,
suffix;
while (unit) {
unit = $config.units[i];
prefix = unit.prefix || '';
suffix = unit.suffix || '';
if (i === $config.units.length - 1 || bytes >= unit.size) {
return prefix + (bytes / unit.size).toFixed(2) + suffix;
}
i += 1;
}
};
};
})
// The FileUploadController initializes the fileupload widget and
// provides scope methods to control the File Upload functionality:
.controller('FileUploadController', [
'$scope', '$element', '$attrs', '$window', 'fileUpload','$q',
function ($scope, $element, $attrs, $window, fileUpload, $q) {
var uploadMethods = {
progress: function () {
return $element.fileupload('progress');
},
active: function () {
return $element.fileupload('active');
},
option: function (option, data) {
if (arguments.length === 1) {
return $element.fileupload('option', option);
}
$element.fileupload('option', option, data);
},
add: function (data) {
return $element.fileupload('add', data);
},
send: function (data) {
return $element.fileupload('send', data);
},
process: function (data) {
return $element.fileupload('process', data);
},
processing: function (data) {
return $element.fileupload('processing', data);
}
};
$scope.disabled = !$window.jQuery.support.fileInput;
$scope.queue = $scope.queue || [];
$scope.clear = function (files) {
var queue = this.queue,
i = queue.length,
file = files,
length = 1;
if (angular.isArray(files)) {
file = files[0];
length = files.length;
}
while (i) {
i -= 1;
if (queue[i] === file) {
return queue.splice(i, length);
}
}
};
$scope.replace = function (oldFiles, newFiles) {
var queue = this.queue,
file = oldFiles[0],
i,
j;
for (i = 0; i < queue.length; i += 1) {
if (queue[i] === file) {
for (j = 0; j < newFiles.length; j += 1) {
queue[i + j] = newFiles[j];
}
return;
}
}
};
$scope.applyOnQueue = function (method) {
var list = this.queue.slice(0),
i,
file,
promises = [];
for (i = 0; i < list.length; i += 1) {
file = list[i];
if (file[method]) {
promises.push(file[method]());
}
}
return $q.all(promises);
};
$scope.submit = function () {
return this.applyOnQueue('$submit');
};
$scope.cancel = function () {
return this.applyOnQueue('$cancel');
};
// Add upload methods to the scope:
angular.extend($scope, uploadMethods);
// The fileupload widget will initialize with
// the options provided via "data-"-parameters,
// as well as those given via options object:
$element.fileupload(angular.extend(
{scope: $scope},
fileUpload.defaults
)).on('fileuploadadd', function (e, data) {
data.scope = $scope;
}).on('fileuploadfail', function (e, data) {
if (data.errorThrown === 'abort') {
return;
}
if (data.dataType &&
data.dataType.indexOf('json') === data.dataType.length - 4) {
try {
data.result = angular.fromJson(data.jqXHR.responseText);
} catch (ignore) {}
}
}).on([
'fileuploadadd',
'fileuploadsubmit',
'fileuploadsend',
'fileuploaddone',
'fileuploadfail',
'fileuploadalways',
'fileuploadprogress',
'fileuploadprogressall',
'fileuploadstart',
'fileuploadstop',
'fileuploadchange',
'fileuploadpaste',
'fileuploaddrop',
'fileuploaddragover',
'fileuploadchunksend',
'fileuploadchunkdone',
'fileuploadchunkfail',
'fileuploadchunkalways',
'fileuploadprocessstart',
'fileuploadprocess',
'fileuploadprocessdone',
'fileuploadprocessfail',
'fileuploadprocessalways',
'fileuploadprocessstop'
].join(' '), function (e, data) {
$scope.$parent.$applyAsync(function () {
if ($scope.$emit(e.type, data).defaultPrevented) {
e.preventDefault();
}
});
}).on('remove', function () {
// Remove upload methods from the scope,
// when the widget is removed:
var method;
for (method in uploadMethods) {
if (uploadMethods.hasOwnProperty(method)) {
delete $scope[method];
}
}
});
// Observe option changes:
$scope.$watch(
$attrs.fileUpload,
function (newOptions) {
if (newOptions) {
$element.fileupload('option', newOptions);
}
}
);
}
])
// Provide File Upload progress feedback:
.controller('FileUploadProgressController', [
'$scope', '$attrs', '$parse',
function ($scope, $attrs, $parse) {
var fn = $parse($attrs.fileUploadProgress),
update = function () {
var progress = fn($scope);
if (!progress || !progress.total) {
return;
}
$scope.num = Math.floor(
progress.loaded / progress.total * 100
);
};
update();
$scope.$watch(
$attrs.fileUploadProgress + '.loaded',
function (newValue, oldValue) {
if (newValue !== oldValue) {
update();
}
}
);
}
])
// Display File Upload previews:
.controller('FileUploadPreviewController', [
'$scope', '$element', '$attrs',
function ($scope, $element, $attrs) {
$scope.$watch(
$attrs.fileUploadPreview + '.preview',
function (preview) {
$element.empty();
if (preview) {
$element.append(preview);
}
}
);
}
])
.directive('fileUpload', function () {
return {
controller: 'FileUploadController',
scope: true
};
})
.directive('fileUploadProgress', function () {
return {
controller: 'FileUploadProgressController',
scope: true
};
})
.directive('fileUploadPreview', function () {
return {
controller: 'FileUploadPreviewController'
};
})
// Enhance the HTML5 download attribute to
// allow drag&drop of files to the desktop:
.directive('download', function () {
return function (scope, elm) {
elm.on('dragstart', function (e) {
try {
e.originalEvent.dataTransfer.setData(
'DownloadURL',
[
'application/octet-stream',
elm.prop('download'),
elm.prop('href')
].join(':')
);
} catch (ignore) {}
});
};
});
}));