app/assets/javascripts/file-input.js
/*
* bootstrap-filestyle
* doc: http://markusslima.github.io/bootstrap-filestyle/
* github: https://github.com/markusslima/bootstrap-filestyle
*
* Copyright (c) 2014 Markus Vinicius da Silva Lima
* Version 1.2.1
* Licensed under the MIT license.
*/
(function($) {"use strict";
var nextId = 0;
var Filestyle = function(element, options) {
this.options = options;
this.$elementFilestyle = [];
this.$element = $(element);
};
Filestyle.prototype = {
clear : function() {
this.$element.val('');
this.$elementFilestyle.find(':text').val('');
this.$elementFilestyle.find('.badge').remove();
},
destroy : function() {
this.$element.removeAttr('style').removeData('filestyle');
this.$elementFilestyle.remove();
},
disabled : function(value) {
if (value === true) {
if (!this.options.disabled) {
this.$element.attr('disabled', 'true');
this.$elementFilestyle.find('label').attr('disabled', 'true');
this.options.disabled = true;
}
} else if (value === false) {
if (this.options.disabled) {
this.$element.removeAttr('disabled');
this.$elementFilestyle.find('label').removeAttr('disabled');
this.options.disabled = false;
}
} else {
return this.options.disabled;
}
},
buttonBefore : function(value) {
if (value === true) {
if (!this.options.buttonBefore) {
this.options.buttonBefore = true;
if (this.options.input) {
this.$elementFilestyle.remove();
this.constructor();
this.pushNameFiles();
}
}
} else if (value === false) {
if (this.options.buttonBefore) {
this.options.buttonBefore = false;
if (this.options.input) {
this.$elementFilestyle.remove();
this.constructor();
this.pushNameFiles();
}
}
} else {
return this.options.buttonBefore;
}
},
icon : function(value) {
if (value === true) {
if (!this.options.icon) {
this.options.icon = true;
this.$elementFilestyle.find('label').prepend(this.htmlIcon());
}
} else if (value === false) {
if (this.options.icon) {
this.options.icon = false;
this.$elementFilestyle.find('.icon-span-filestyle').remove();
}
} else {
return this.options.icon;
}
},
input : function(value) {
if (value === true) {
if (!this.options.input) {
this.options.input = true;
if (this.options.buttonBefore) {
this.$elementFilestyle.append(this.htmlInput());
} else {
this.$elementFilestyle.prepend(this.htmlInput());
}
this.$elementFilestyle.find('.badge').remove();
this.pushNameFiles();
this.$elementFilestyle.find('.group-span-filestyle').addClass('input-group-btn');
}
} else if (value === false) {
if (this.options.input) {
this.options.input = false;
this.$elementFilestyle.find(':text').remove();
var files = this.pushNameFiles();
if (files.length > 0 && this.options.badge) {
this.$elementFilestyle.find('label').append(' <span class="badge">' + files.length + '</span>');
}
this.$elementFilestyle.find('.group-span-filestyle').removeClass('input-group-btn');
}
} else {
return this.options.input;
}
},
size : function(value) {
if (value !== undefined) {
var btn = this.$elementFilestyle.find('label'), input = this.$elementFilestyle.find('input');
btn.removeClass('btn-lg btn-sm');
input.removeClass('input-lg input-sm');
if (value != 'nr') {
btn.addClass('btn-' + value);
input.addClass('input-' + value);
}
} else {
return this.options.size;
}
},
placeholder : function(value) {
if (value !== undefined) {
this.options.placeholder = value;
this.$elementFilestyle.find('input').attr('placeholder', value);
} else {
return this.options.placeholder;
}
},
buttonText : function(value) {
if (value !== undefined) {
this.options.buttonText = value;
this.$elementFilestyle.find('label .buttonText').html(this.options.buttonText);
} else {
return this.options.buttonText;
}
},
buttonName : function(value) {
if (value !== undefined) {
this.options.buttonName = value;
this.$elementFilestyle.find('label').attr({
'class' : 'btn ' + this.options.buttonName
});
} else {
return this.options.buttonName;
}
},
iconName : function(value) {
if (value !== undefined) {
this.$elementFilestyle.find('.icon-span-filestyle').attr({
'class' : 'icon-span-filestyle ' + this.options.iconName
});
} else {
return this.options.iconName;
}
},
htmlIcon : function() {
if (this.options.icon) {
return '<span class="icon-span-filestyle ' + this.options.iconName + '"></span> ';
} else {
return '';
}
},
htmlInput : function() {
if (this.options.input) {
return '<input type="text" class="form-control ' + (this.options.size == 'nr' ? '' : 'input-' + this.options.size) + '" placeholder="'+ this.options.placeholder +'" disabled> ';
} else {
return '';
}
},
// puts the name of the input files
// return files
pushNameFiles : function() {
var content = '', files = [];
if (this.$element[0].files === undefined) {
files[0] = {
'name' : this.$element[0] && this.$element[0].value
};
} else {
files = this.$element[0].files;
}
for (var i = 0; i < files.length; i++) {
content += files[i].name.split("\\").pop() + ', ';
}
if (content !== '') {
this.$elementFilestyle.find(':text').val(content.replace(/\, $/g, ''));
} else {
this.$elementFilestyle.find(':text').val('');
}
return files;
},
constructor : function() {
var _self = this,
html = '',
id = _self.$element.attr('id'),
files = [],
btn = '',
$label;
if (id === '' || !id) {
id = 'filestyle-' + nextId;
_self.$element.attr({
'id' : id
});
nextId++;
}
btn = '<span class="group-span-filestyle ' + (_self.options.input ? 'input-group-btn' : '') + '">' +
'<label for="' + id + '" class="btn ' + _self.options.buttonName + ' ' +
(_self.options.size == 'nr' ? '' : 'btn-' + _self.options.size) + '" ' +
(_self.options.disabled ? 'disabled="true"' : '') + '>' +
_self.htmlIcon() + '<span class="buttonText">' + _self.options.buttonText + '</span>' +
'</label>' +
'</span>';
html = _self.options.buttonBefore ? btn + _self.htmlInput() : _self.htmlInput() + btn;
_self.$elementFilestyle = $('<div class="bootstrap-filestyle input-group">' + html + '</div>');
_self.$elementFilestyle.find('.group-span-filestyle').attr('tabindex', "0").keypress(function(e) {
if (e.keyCode === 13 || e.charCode === 32) {
_self.$elementFilestyle.find('label').click();
return false;
}
});
// hidding input file and add filestyle
_self.$element.css({
'position' : 'absolute',
'clip' : 'rect(0px 0px 0px 0px)' // using 0px for work in IE8
}).attr('tabindex', "-1").after(_self.$elementFilestyle);
if (_self.options.disabled) {
_self.$element.attr('disabled', 'true');
}
// Getting input file value
_self.$element.change(function() {
var files = _self.pushNameFiles();
if (_self.options.input == false && _self.options.badge) {
if (_self.$elementFilestyle.find('.badge').length == 0) {
_self.$elementFilestyle.find('label').append(' <span class="badge">' + files.length + '</span>');
} else if (files.length == 0) {
_self.$elementFilestyle.find('.badge').remove();
} else {
_self.$elementFilestyle.find('.badge').html(files.length);
}
} else {
_self.$elementFilestyle.find('.badge').remove();
}
});
// Check if browser is Firefox
if (window.navigator.userAgent.search(/firefox/i) > -1) {
// Simulating choose file for firefox
_self.$elementFilestyle.find('label').click(function() {
_self.$element.click();
return false;
});
}
}
};
var old = $.fn.filestyle;
$.fn.filestyle = function(option, value) {
var get = '', element = this.each(function() {
if ($(this).attr('type') === 'file') {
var $this = $(this), data = $this.data('filestyle'), options = $.extend({}, $.fn.filestyle.defaults, option, typeof option === 'object' && option);
if (!data) {
$this.data('filestyle', ( data = new Filestyle(this, options)));
data.constructor();
}
if ( typeof option === 'string') {
get = data[option](value);
}
}
});
if ( typeof get !== undefined) {
return get;
} else {
return element;
}
};
$.fn.filestyle.defaults = {
'buttonText' : 'Imagem',
'iconName' : 'fa fa-folder-open-o',
'buttonName' : 'btn-file',
'size' : 'nr',
'input' : true,
'badge' : true,
'icon' : true,
'buttonBefore' : true,
'disabled' : false,
'placeholder': 'Selecione a imagem do aluno.'
};
$.fn.filestyle.noConflict = function() {
$.fn.filestyle = old;
return this;
};
$(function() {
$('.filestyle').each(function() {
var $this = $(this), options = {
'input' : $this.attr('data-input') === 'false' ? false : true,
'icon' : $this.attr('data-icon') === 'false' ? false : true,
'buttonBefore' : $this.attr('data-buttonBefore') === 'true' ? true : false,
'disabled' : $this.attr('data-disabled') === 'true' ? true : false,
'size' : $this.attr('data-size'),
'buttonText' : $this.attr('data-buttonText'),
'buttonName' : $this.attr('data-buttonName'),
'iconName' : $this.attr('data-iconName'),
'badge' : $this.attr('data-badge') === 'false' ? false : true,
'placeholder': $this.attr('data-placeholder')
};
$this.filestyle(options);
});
});
})(window.jQuery);