Difference between revisions of "Team:Valencia UPV/assets/js/util.js"

(Created page with "(function($) { * * Generate an indented list of links from a nav. Meant for use with panel(). * @return {jQuery} jQuery object.: $.fn.navList = function() { var $...")
 
(Blanked the page)
 
Line 1: Line 1:
(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);
 

Latest revision as of 22:20, 8 August 2015