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+/* ===========================================================
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+ * bootstrap-fileupload.js j2
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+ * http://jasny.github.com/bootstrap/javascript.html#fileupload
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+ * ===========================================================
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+ * Copyright 2012 Jasny BV, Netherlands.
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+ *
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+ * Licensed under the Apache License, Version 2.0 (the "License")
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+ * you may not use this file except in compliance with the License.
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+ * You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ * ========================================================== */
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+
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+!function ($) {
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+
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+ "use strict"; // jshint ;_
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+
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+ /* FILEUPLOAD PUBLIC CLASS DEFINITION
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+ * ================================= */
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+
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+ var Fileupload = function (element, options) {
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+ this.$element = $(element)
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+ this.type = this.$element.data('uploadtype') || (this.$element.find('.thumbnail').length > 0 ? "image" : "file")
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+
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+ this.$input = this.$element.find(':file')
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+ if (this.$input.length === 0) return
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+
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+ this.name = this.$input.attr('name') || options.name
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+
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+ this.$hidden = this.$element.find('input[type=hidden][name="'+this.name+'"]')
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+ if (this.$hidden.length === 0) {
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+ this.$hidden = $('<input type="hidden" />')
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+ this.$element.prepend(this.$hidden)
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+ }
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+
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+ this.$preview = this.$element.find('.fileupload-preview')
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+ var height = this.$preview.css('height')
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+ if (this.$preview.css('display') != 'inline' && height != '0px' && height != 'none') this.$preview.css('line-height', height)
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+
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+ this.original = {
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+ 'exists': this.$element.hasClass('fileupload-exists'),
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+ 'preview': this.$preview.html(),
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+ 'hiddenVal': this.$hidden.val()
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+ }
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+
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+ this.$remove = this.$element.parents('.fileupload-modal').find('[data-clear="fileupload"]')
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+
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+ this.$element.find('[data-trigger="fileupload"]').on('click.fileupload', $.proxy(this.trigger, this))
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+
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+ this.listen()
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+ }
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+
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+ Fileupload.prototype = {
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+
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+ listen: function() {
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+ this.$input.on('change.fileupload', $.proxy(this.change, this))
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+ $(this.$input[0].form).on('reset.fileupload', $.proxy(this.reset, this))
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+ if (this.$remove) this.$remove.on('click.fileupload', $.proxy(this.clear, this))
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+ },
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+
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+ change: function(e, invoked) {
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+ if (invoked === 'clear') return
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+
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+ var file = e.target.files !== undefined ? e.target.files[0] : (e.target.value ? { name: e.target.value.replace(/^.+\\/, '') } : null)
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+
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+ if (!file) {
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+ this.clear()
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+ return
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+ }
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+
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+ this.$hidden.val('')
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+ this.$hidden.attr('name', '')
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+ this.$input.attr('name', this.name)
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+
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+ if (this.type === "image" && this.$preview.length > 0 && (typeof file.type !== "undefined" ? file.type.match('image.*') : file.name.match(/\.(gif|png|jpe?g)$/i)) && typeof FileReader !== "undefined") {
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+ var reader = new FileReader()
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+ var preview = this.$preview
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+ var element = this.$element
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+
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+ reader.onload = function(e) {
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+ preview.html('<img src="' + e.target.result + '" ' + (preview.css('max-height') != 'none' ? 'style="max-height: ' + preview.css('max-height') + ';"' : '') + ' />')
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+ element.addClass('fileupload-exists').removeClass('fileupload-new')
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+ }
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+
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+ reader.readAsDataURL(file)
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+ } else {
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+ this.$preview.text(file.name)
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+ this.$element.addClass('fileupload-exists').removeClass('fileupload-new')
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+ }
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+ },
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+
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+ clear: function(e) {
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+ this.$hidden.val('')
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+ this.$hidden.attr('name', this.name)
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+ this.$input.attr('name', '')
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+
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+ //ie8+ doesn't support changing the value of input with type=file so clone instead
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+ if (navigator.userAgent.match(/msie/i)){
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+ var inputClone = this.$input.clone(true);
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+ this.$input.after(inputClone);
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+ this.$input.remove();
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+ this.$input = inputClone;
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+ }else{
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+ this.$input.val('')
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+ }
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+
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+ this.$preview.html('')
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+ this.$element.addClass('fileupload-new').removeClass('fileupload-exists')
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+
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+ if (e) {
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+ this.$input.trigger('change', [ 'clear' ])
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+ e.preventDefault()
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+ }
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+ },
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+
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+ reset: function(e) {
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+ this.clear()
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+
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+ this.$hidden.val(this.original.hiddenVal)
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+ this.$preview.html(this.original.preview)
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+
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+ if (this.original.exists) this.$element.addClass('fileupload-exists').removeClass('fileupload-new')
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+ else this.$element.addClass('fileupload-new').removeClass('fileupload-exists')
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+ },
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+
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+ trigger: function(e) {
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+ this.$input.trigger('click')
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+ e.preventDefault()
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+ }
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+ }
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+
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+
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+ /* FILEUPLOAD PLUGIN DEFINITION
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+ * =========================== */
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+
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+ $.fn.fileupload = function (options) {
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+ return this.each(function () {
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+ var $this = $(this)
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+ , data = $this.data('fileupload')
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+ if (!data) $this.data('fileupload', (data = new Fileupload(this, options)))
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+ if (typeof options == 'string') data[options]()
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+ })
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+ }
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+
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+ $.fn.fileupload.Constructor = Fileupload
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+
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+
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+ /* FILEUPLOAD DATA-API
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+ * ================== */
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+
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+ $(document).on('click.fileupload.data-api', '[data-provides="fileupload"]', function (e) {
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+ var $this = $(this)
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+ if ($this.data('fileupload')) return
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+ $this.fileupload($this.data())
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+
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+ var $target = $(e.target).closest('[data-dismiss="fileupload"],[data-trigger="fileupload"]');
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+ if ($target.length > 0) {
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+ $target.trigger('click.fileupload')
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+ e.preventDefault()
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+ }
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+ })
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+
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+}(window.jQuery);
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