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