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plugins/is-loading/1.0.6/jquery.isloading.js
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plugins/is-loading/1.0.6/jquery.isloading.js
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/**
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* Loading plugin for jQuery
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* version: v1.0.6
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*
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* Small helper to give the user a visual feedback that something is happening
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* when fetching/posting data
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*
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* USAGE:
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* - global overlay: $.isLoading();
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* - use javascript: $( selector ).isLoading();
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* - On non-form elements: $("div").isLoading({ text: "Loading", position:'inside'});
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* - remove the loading element: $( selector ).isLoading( "hide" );
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*
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* @author Laurent Blanes <laurent.blanes@gmail.com>
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* ---
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* Copyright 2013, Laurent Blanes ( https://github.com/hekigan/is-loading )
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013 Laurent Blanes
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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;(function ( $, window, document, undefined ) {
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// Create the defaults once
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var pluginName = "isLoading",
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defaults = {
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'position': "right", // right | inside | overlay
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'text': "", // Text to display next to the loader
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'class': "icon-refresh", // loader CSS class
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'tpl': '<span class="isloading-wrapper %wrapper%">%text%<i class="%class% icon-spin"></i></span>', // loader base Tag
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'disableSource': true, // true | false
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'disableOthers': []
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};
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// The actual plugin constructor
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function Plugin( element, options ) {
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this.element = element;
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// Merge user options with default ones
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this.options = $.extend( {}, defaults, options );
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this._defaults = defaults;
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this._name = pluginName;
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this._loader = null; // Contain the loading tag element
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this.init();
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}
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// Contructor function for the plugin (only once on page load)
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function contruct() {
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if ( !$[pluginName] ) {
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$.isLoading = function( opts ) {
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$( "body" ).isLoading( opts );
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};
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}
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}
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Plugin.prototype = {
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init: function() {
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if( $( this.element ).is( "body") ) {
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this.options.position = "overlay";
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}
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this.show();
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},
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show: function() {
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var self = this,
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tpl = self.options.tpl.replace( '%wrapper%', ' isloading-show ' + ' isloading-' + self.options.position );
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tpl = tpl.replace( '%class%', self.options['class'] );
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tpl = tpl.replace( '%text%', ( self.options.text !== "" ) ? self.options.text + ' ' : '' );
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self._loader = $( tpl );
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// Disable the element
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if( $( self.element ).is( "input, textarea" ) && true === self.options.disableSource ) {
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$( self.element ).attr( "disabled", "disabled" );
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}
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else if( true === self.options.disableSource ) {
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$( self.element ).addClass( "disabled" );
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}
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// Set position
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switch( self.options.position ) {
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case "inside":
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$( self.element ).html( self._loader );
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break;
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case "overlay":
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var $wrapperTpl = null;
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if( $( self.element ).is( "body") ) {
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$wrapperTpl = $('<div class="isloading-overlay" style="position:fixed; left:0; top:0; z-index: 10000; background: rgba(0,0,0,0.5); width: 100%; height: ' + $(window).height() + 'px;" />');
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$( "body" ).prepend( $wrapperTpl );
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$( window ).on('resize', function() {
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$wrapperTpl.height( $(window).height() + 'px' );
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self._loader.css({top: ($(window).height()/2 - self._loader.outerHeight()/2) + 'px' });
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});
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} else {
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var cssPosition = $( self.element ).css('position'),
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pos = {},
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height = $( self.element ).outerHeight() + 'px',
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width = '100%'; // $( self.element ).outerWidth() + 'px;
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if( 'relative' === cssPosition || 'absolute' === cssPosition ) {
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pos = { 'top': 0, 'left': 0 };
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} else {
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pos = $( self.element ).position();
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}
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$wrapperTpl = $('<div class="isloading-overlay" style="position:absolute; top: ' + pos.top + 'px; left: ' + pos.left + 'px; z-index: 10000; background: rgba(0,0,0,0.5); width: ' + width + '; height: ' + height + ';" />');
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$( self.element ).prepend( $wrapperTpl );
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$( window ).on('resize', function() {
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$wrapperTpl.height( $( self.element ).outerHeight() + 'px' );
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self._loader.css({top: ($wrapperTpl.outerHeight()/2 - self._loader.outerHeight()/2) + 'px' });
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});
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}
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$wrapperTpl.html( self._loader );
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self._loader.css({top: ($wrapperTpl.outerHeight()/2 - self._loader.outerHeight()/2) + 'px' });
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break;
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default:
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$( self.element ).after( self._loader );
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break;
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}
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self.disableOthers();
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},
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hide: function() {
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if( "overlay" === this.options.position ) {
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$( this.element ).find( ".isloading-overlay" ).first().remove();
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} else {
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$( this._loader ).remove();
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$( this.element ).text( $( this.element ).attr( "data-isloading-label" ) );
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}
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$( this.element ).removeAttr("disabled").removeClass("disabled");
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this.enableOthers();
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},
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disableOthers: function() {
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$.each(this.options.disableOthers, function( i, e ) {
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var elt = $( e );
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if( elt.is( "button, input, textarea" ) ) {
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elt.attr( "disabled", "disabled" );
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}
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else {
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elt.addClass( "disabled" );
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}
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});
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},
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enableOthers: function() {
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$.each(this.options.disableOthers, function( i, e ) {
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var elt = $( e );
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if( elt.is( "button, input, textarea" ) ) {
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elt.removeAttr( "disabled" );
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}
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else {
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elt.removeClass( "disabled" );
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}
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});
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}
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};
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// Constructor
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$.fn[pluginName] = function ( options ) {
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return this.each(function () {
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if ( options && "hide" !== options || !$.data( this, "plugin_" + pluginName ) ) {
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$.data( this, "plugin_" + pluginName, new Plugin( this, options ) );
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} else {
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var elt = $.data( this, "plugin_" + pluginName );
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if( "hide" === options ) { elt.hide(); }
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else { elt.show(); }
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}
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});
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};
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contruct();
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})( jQuery, window, document );
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