60 lines
2.0 KiB
JavaScript
60 lines
2.0 KiB
JavaScript
CMS.Models.FileUpload = Backbone.Model.extend({
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defaults: {
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"title": "",
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"message": "",
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"selectedFile": null,
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"uploading": false,
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"uploadedBytes": 0,
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"totalBytes": 0,
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"finished": false,
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"mimeTypes": []
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},
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validate: function(attrs, options) {
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if(attrs.selectedFile && !_.contains(this.attributes.mimeTypes, attrs.selectedFile.type)) {
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return {
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message: _.template(
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gettext("Only <%= fileTypes %> files can be uploaded. Please select a file ending in <%= fileExtensions %> to upload."),
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this.formatValidTypes()
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),
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attributes: {selectedFile: true}
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};
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}
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},
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// Return a list of this uploader's valid file types
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fileTypes: function() {
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return _.map(
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this.attributes.mimeTypes,
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function(type) {
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return type.split('/')[1].toUpperCase();
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}
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);
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},
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// Return strings for the valid file types and extensions this
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// uploader accepts, formatted as natural language
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formatValidTypes: function() {
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if(this.attributes.mimeTypes.length === 1) {
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return {
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fileTypes: this.fileTypes()[0],
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fileExtensions: '.' + this.fileTypes()[0].toLowerCase()
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};
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}
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var or = gettext('or');
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var formatTypes = function(types) {
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return _.template('<%= initial %> <%= or %> <%= last %>', {
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initial: _.initial(types).join(', '),
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or: or,
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last: _.last(types)
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});
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};
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return {
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fileTypes: formatTypes(this.fileTypes()),
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fileExtensions: formatTypes(
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_.map(this.fileTypes(),
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function(type) {
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return '.' + type.toLowerCase();
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})
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)
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};
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}
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});
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