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/* ===========================================================
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* Bootstrap: fileinput.js v3.1.3
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* http://jasny.github.com/bootstrap/javascript/#fileinput
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* ===========================================================
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* Copyright 2012-2014 Arnold Daniels
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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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* uikit version
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* author tzd
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*/
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+function ($) { "use strict";
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var isIE = window.navigator.appName == 'Microsoft Internet Explorer';
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// FILEUPLOAD PUBLIC CLASS DEFINITION
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// =================================
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var Fileinput = function (element, options) {
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this.$element = $(element);
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this.$input = this.$element.find(':file');
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if (this.$input.length === 0) return;
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this.name = this.$input.attr('name') || options.name;
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this.$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 = $('<input type="hidden">').insertBefore(this.$input)
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}
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this.$preview = this.$element.find('.fileinput-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') {
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this.$preview.css('line-height', height)
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}
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this.original = {
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exists: this.$element.hasClass('fileinput-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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this.listen()
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};
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Fileinput.prototype.listen = function() {
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this.$input.on('change.uk.fileinput', $.proxy(this.change, this));
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$(this.$input[0].form).on('reset.uk.fileinput', $.proxy(this.reset, this));
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this.$element.find('[data-trigger="fileinput"]').on('click.uk.fileinput', $.proxy(this.trigger, this));
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this.$element.find('[data-dismiss="fileinput"]').on('click.uk.fileinput', $.proxy(this.clear, this))
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};
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Fileinput.prototype.change = function(e) {
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var files = e.target.files === undefined ? (e.target && e.target.value ? [{ name: e.target.value.replace(/^.+\\/, '')}] : []) : e.target.files;
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e.stopPropagation();
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if (files.length === 0) {
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this.clear();
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this.$element.trigger('clear.uk.fileinput');
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return
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}
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this.$hidden.val('');
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this.$hidden.attr('name', '');
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this.$input.attr('name', this.name);
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var file = files[0];
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if (this.$preview.length > 0 && (typeof file.type !== "undefined" ? file.type.match(/^image\/(gif|png|jpeg)$/) : file.name.match(/\.(gif|png|jpe?g)$/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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reader.onload = function(re) {
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var $img = $('<img>');
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$img[0].src = re.target.result;
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files[0].result = re.target.result;
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element.find('.fileinput-filename').text(file.name);
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// if parent has max-height, using `(max-)height: 100%` on child doesn't take padding and border into account
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if (preview.css('max-height') != 'none') $img.css('max-height', parseInt(preview.css('max-height'), 10) - parseInt(preview.css('padding-top'), 10) - parseInt(preview.css('padding-bottom'), 10) - parseInt(preview.css('border-top'), 10) - parseInt(preview.css('border-bottom'), 10));
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preview.html($img);
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element.addClass('fileinput-exists').removeClass('fileinput-new');
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element.trigger('change.uk.fileinput', files)
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};
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reader.readAsDataURL(file)
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} else {
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this.$element.find('.fileinput-filename').text(file.name);
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this.$preview.text(file.name);
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this.$element.addClass('fileinput-exists').removeClass('fileinput-new');
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this.$element.trigger('change.uk.fileinput')
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}
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};
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Fileinput.prototype.clear = function(e) {
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if (e) e.preventDefault();
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this.$hidden.val('');
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this.$hidden.attr('name', this.name);
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this.$input.attr('name', '');
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//ie8+ doesn't support changing the value of input with type=file so clone instead
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if (isIE) {
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var inputClone = this.$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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this.$preview.html('');
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this.$element.find('.fileinput-filename').text('');
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this.$element.addClass('fileinput-new').removeClass('fileinput-exists');
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if (e !== undefined) {
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this.$input.trigger('change');
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this.$element.trigger('clear.uk.fileinput');
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}
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};
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Fileinput.prototype.reset = function() {
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this.clear();
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this.$hidden.val(this.original.hiddenVal);
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this.$preview.html(this.original.preview);
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this.$element.find('.fileinput-filename').text('');
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if (this.original.exists) {
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this.$element.addClass('fileinput-exists').removeClass('fileinput-new')
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} else {
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this.$element.addClass('fileinput-new').removeClass('fileinput-exists')
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}
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this.$element.trigger('reset.uk.fileinput')
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};
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Fileinput.prototype.trigger = function(e) {
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this.$input.trigger('click');
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e.preventDefault()
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};
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// FILEUPLOAD PLUGIN DEFINITION
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// ===========================
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var old = $.fn.fileinput;
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$.fn.fileinput = function (options) {
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return this.each(function () {
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var $this = $(this),
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data = $this.data('uk.fileinput');
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if (!data) $this.data('uk.fileinput', (data = new Fileinput(this, options)));
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if (typeof options == 'string') data[options]()
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})
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};
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$.fn.fileinput.Constructor = Fileinput;
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// FILEINPUT NO CONFLICT
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// ====================
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$.fn.fileinput.noConflict = function () {
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$.fn.fileinput = old;
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return this
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};
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// FILEUPLOAD DATA-API
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// ==================
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$(document).on('click.fileinput.data-api', '[data-provides="fileinput"]', function (e) {
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var $this = $(this);
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if ($this.data('uk.fileinput')) return;
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$this.fileinput($this.data());
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var $target = $(e.target).closest('[data-dismiss="fileinput"],[data-trigger="fileinput"]');
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if ($target.length > 0) {
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e.preventDefault();
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$target.trigger('click.uk.fileinput');
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}
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})
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}(window.jQuery);
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