(function($) { /** * Generate an indented list of links from a nav. Meant for use with panel(). * @return {jQuery} jQuery object. */ $.fn.navList = function() { var $this = $(this); $a = $this.find('a'), b = []; $a.each(function() { var $this = $(this), indent = Math.max(0, $this.parents('li').length - 1), href = $this.attr('href'), target = $this.attr('target'); b.push( '<a ' + 'class="link depth-' + indent + '"' + ( (typeof target !== 'undefined' && target != '') ? ' target="' + target + '"' : '') + ( (typeof href !== 'undefined' && href != '') ? ' href="' + href + '"' : '') + '>' + '<span class="indent-' + indent + '"></span>' + $this.text() + '</a>' ); }); return b.join(''); }; /** * Panel-ify an element. * @param {object} userConfig User config. * @return {jQuery} jQuery object. */ $.fn.panel = function(userConfig) { // No elements? if (this.length == 0) return $this; // Multiple elements? if (this.length > 1) { for (var i=0; i < this.length; i++) $(this[i]).panel(userConfig); return $this; } // Vars. var $this = $(this), $body = $('body'), $window = $(window), id = $this.attr('id'), config; // Config. config = $.extend({ // Delay. delay: 0, // Hide panel on link click. hideOnClick: false, // Hide panel on escape keypress. hideOnEscape: false, // Hide panel on swipe. hideOnSwipe: false, // Reset scroll position on hide. resetScroll: false, // Reset forms on hide. resetForms: false, // Side of viewport the panel will appear. side: null, // Target element for "class". target: $this, // Class to toggle. visibleClass: 'visible' }, userConfig); // Expand "target" if it's not a jQuery object already. if (typeof config.target != 'jQuery') config.target = $(config.target); // Panel. // Methods. $this._hide = function(event) { // Already hidden? Bail. if (!config.target.hasClass(config.visibleClass)) return; // If an event was provided, cancel it. if (event) { event.preventDefault(); event.stopPropagation(); } // Hide. config.target.removeClass(config.visibleClass); // Post-hide stuff. window.setTimeout(function() { // Reset scroll position. if (config.resetScroll) $this.scrollTop(0); // Reset forms. if (config.resetForms) $this.find('form').each(function() { this.reset(); }); }, config.delay); }; // Vendor fixes. $this .css('-ms-overflow-style', '-ms-autohiding-scrollbar') .css('-webkit-overflow-scrolling', 'touch'); // Hide on click. if (config.hideOnClick) { $this.find('a') .css('-webkit-tap-highlight-color', 'rgba(0,0,0,0)'); $this .on('click', 'a', function(event) { var $a = $(this), href = $a.attr('href'), target = $a.attr('target'); if (!href || href == '#' || href == '' || href == '#' + id) return; // Cancel original event. event.preventDefault(); event.stopPropagation(); // Hide panel. $this._hide(); // Redirect to href. window.setTimeout(function() { if (target == '_blank') window.open(href); else window.location.href = href; }, config.delay + 10); }); } // Event: Touch stuff. $this.on('touchstart', function(event) { $this.touchPosX = event.originalEvent.touches[0].pageX; $this.touchPosY = event.originalEvent.touches[0].pageY; }) $this.on('touchmove', function(event) { if ($this.touchPosX === null || $this.touchPosY === null) return; var diffX = $this.touchPosX - event.originalEvent.touches[0].pageX, diffY = $this.touchPosY - event.originalEvent.touches[0].pageY, th = $this.outerHeight(), ts = ($this.get(0).scrollHeight - $this.scrollTop()); // Hide on swipe? if (config.hideOnSwipe) { var result = false, boundary = 20, delta = 50; switch (config.side) { case 'left': result = (diffY < boundary && diffY > (-1 * boundary)) && (diffX > delta); break; case 'right': result = (diffY < boundary && diffY > (-1 * boundary)) && (diffX < (-1 * delta)); break; case 'top': result = (diffX < boundary && diffX > (-1 * boundary)) && (diffY > delta); break; case 'bottom': result = (diffX < boundary && diffX > (-1 * boundary)) && (diffY < (-1 * delta)); break; default: break; } if (result) { $this.touchPosX = null; $this.touchPosY = null; $this._hide(); return false; } } // Prevent vertical scrolling past the top or bottom. if (($this.scrollTop() < 0 && diffY < 0) || (ts > (th - 2) && ts < (th + 2) && diffY > 0)) { event.preventDefault(); event.stopPropagation(); } }); // Event: Prevent certain events inside the panel from bubbling. $this.on('click touchend touchstart touchmove', function(event) { event.stopPropagation(); }); // Event: Hide panel if a child anchor tag pointing to its ID is clicked. $this.on('click', 'a[href="#' + id + '"]', function(event) { event.preventDefault(); event.stopPropagation(); config.target.removeClass(config.visibleClass); }); // Body. // Event: Hide panel on body click/tap. $body.on('click touchend', function(event) { $this._hide(event); }); // Event: Toggle. $body.on('click', 'a[href="#' + id + '"]', function(event) { event.preventDefault(); event.stopPropagation(); config.target.toggleClass(config.visibleClass); }); // Window. // Event: Hide on ESC. if (config.hideOnEscape) $window.on('keydown', function(event) { if (event.keyCode == 27) $this._hide(event); }); return $this; }; /** * Apply "placeholder" attribute polyfill to one or more forms. * @return {jQuery} jQuery object. */ $.fn.placeholder = function() { // Browser natively supports placeholders? Bail. if (typeof (document.createElement('input')).placeholder != 'undefined') return $(this); // No elements? if (this.length == 0) return $this; // Multiple elements? if (this.length > 1) { for (var i=0; i < this.length; i++) $(this[i]).placeholder(); return $this; } // Vars. var $this = $(this); // Text, TextArea. $this.find('input[type=text],textarea') .each(function() { var i = $(this); if (i.val() == '' || i.val() == i.attr('placeholder')) i .addClass('polyfill-placeholder') .val(i.attr('placeholder')); }) .on('blur', function() { var i = $(this); if (i.attr('name').match(/-polyfill-field$/)) return; if (i.val() == '') i .addClass('polyfill-placeholder') .val(i.attr('placeholder')); }) .on('focus', function() { var i = $(this); if (i.attr('name').match(/-polyfill-field$/)) return; if (i.val() == i.attr('placeholder')) i .removeClass('polyfill-placeholder') .val(''); }); // Password. $this.find('input[type=password]') .each(function() { var i = $(this); var x = $( $('<div>') .append(i.clone()) .remove() .html() .replace(/type="password"/i, 'type="text"') .replace(/type=password/i, 'type=text') ); if (i.attr('id') != '') x.attr('id', i.attr('id') + '-polyfill-field'); if (i.attr('name') != '') x.attr('name', i.attr('name') + '-polyfill-field'); x.addClass('polyfill-placeholder') .val(x.attr('placeholder')).insertAfter(i); if (i.val() == '') i.hide(); else x.hide(); i .on('blur', function(event) { event.preventDefault(); var x = i.parent().find('input[name=' + i.attr('name') + '-polyfill-field]'); if (i.val() == '') { i.hide(); x.show(); } }); x .on('focus', function(event) { event.preventDefault(); var i = x.parent().find('input[name=' + x.attr('name').replace('-polyfill-field', '') + ']'); x.hide(); i .show() .focus(); }) .on('keypress', function(event) { event.preventDefault(); x.val(''); }); }); // Events. $this .on('submit', function() { $this.find('input[type=text],input[type=password],textarea') .each(function(event) { var i = $(this); if (i.attr('name').match(/-polyfill-field$/)) i.attr('name', ''); if (i.val() == i.attr('placeholder')) { i.removeClass('polyfill-placeholder'); i.val(''); } }); }) .on('reset', function(event) { event.preventDefault(); $this.find('select') .val($('option:first').val()); $this.find('input,textarea') .each(function() { var i = $(this), x; i.removeClass('polyfill-placeholder'); switch (this.type) { case 'submit': case 'reset': break; case 'password': i.val(i.attr('defaultValue')); x = i.parent().find('input[name=' + i.attr('name') + '-polyfill-field]'); if (i.val() == '') { i.hide(); x.show(); } else { i.show(); x.hide(); } break; case 'checkbox': case 'radio': i.attr('checked', i.attr('defaultValue')); break; case 'text': case 'textarea': i.val(i.attr('defaultValue')); if (i.val() == '') { i.addClass('polyfill-placeholder'); i.val(i.attr('placeholder')); } break; default: i.val(i.attr('defaultValue')); break; } }); }); return $this; }; /** * Moves elements to/from the first positions of their respective parents. * @param {jQuery} $elements Elements (or selector) to move. * @param {bool} condition If true, moves elements to the top. Otherwise, moves elements back to their original locations. */ $.prioritize = function($elements, condition) { var key = '__prioritize'; // Expand $elements if it's not already a jQuery object. if (typeof $elements != 'jQuery') $elements = $($elements); // Step through elements. $elements.each(function() { var $e = $(this), $p, $parent = $e.parent(); // No parent? Bail. if ($parent.length == 0) return; // Not moved? Move it. if (!$e.data(key)) { // Condition is false? Bail. if (!condition) return; // Get placeholder (which will serve as our point of reference for when this element needs to move back). $p = $e.prev(); // Couldn't find anything? Means this element's already at the top, so bail. if ($p.length == 0) return; // Move element to top of parent. $e.prependTo($parent); // Mark element as moved. $e.data(key, $p); } // Moved already? else { // Condition is true? Bail. if (condition) return; $p = $e.data(key); // Move element back to its original location (using our placeholder). $e.insertAfter($p); // Unmark element as moved. $e.removeData(key); } }); }; })(jQuery);