Component-Builder/media/uikit/js/core/dropdown.js

297 lines
8.9 KiB
JavaScript

/*! UIkit 2.21.0 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
(function(UI) {
"use strict";
var active = false, hoverIdle;
UI.component('dropdown', {
defaults: {
'mode' : 'hover',
'remaintime' : 800,
'justify' : false,
'boundary' : UI.$win,
'delay' : 0,
'hoverDelayIdle' : 250
},
remainIdle: false,
boot: function() {
var triggerevent = UI.support.touch ? "click" : "mouseenter";
// init code
UI.$html.on(triggerevent+".dropdown.uikit", "[data-uk-dropdown]", function(e) {
var ele = UI.$(this);
if (!ele.data("dropdown")) {
var dropdown = UI.dropdown(ele, UI.Utils.options(ele.attr("data-uk-dropdown")));
if (triggerevent=="click" || (triggerevent=="mouseenter" && dropdown.options.mode=="hover")) {
dropdown.element.trigger(triggerevent);
}
if (dropdown.element.find('.uk-dropdown').length) {
e.preventDefault();
}
}
});
},
init: function() {
var $this = this;
this.dropdown = this.find('.uk-dropdown');
this.centered = this.dropdown.hasClass('uk-dropdown-center');
this.justified = this.options.justify ? UI.$(this.options.justify) : false;
this.boundary = UI.$(this.options.boundary);
this.flipped = this.dropdown.hasClass('uk-dropdown-flip');
if (!this.boundary.length) {
this.boundary = UI.$win;
}
// Init ARIA
this.element.attr('aria-haspopup', 'true');
this.element.attr('aria-expanded', this.element.hasClass("uk-open"));
if (this.options.mode == "click" || UI.support.touch) {
this.on("click.uikit.dropdown", function(e) {
var $target = UI.$(e.target);
if (!$target.parents(".uk-dropdown").length) {
if ($target.is("a[href='#']") || $target.parent().is("a[href='#']") || ($this.dropdown.length && !$this.dropdown.is(":visible")) ){
e.preventDefault();
}
$target.blur();
}
if (!$this.element.hasClass('uk-open')) {
$this.show();
} else {
if ($target.is("a:not(.js-uk-prevent)") || $target.is(".uk-dropdown-close") || !$this.dropdown.find(e.target).length) {
$this.hide();
}
}
});
} else {
this.on("mouseenter", function(e) {
if ($this.remainIdle) {
clearTimeout($this.remainIdle);
}
if (hoverIdle) {
clearTimeout(hoverIdle);
}
if (active && active == $this) {
return;
}
// pseudo manuAim
if (active && active != $this) {
hoverIdle = setTimeout(function() {
hoverIdle = setTimeout($this.show.bind($this), $this.options.delay);
}, $this.options.hoverDelayIdle);
} else {
hoverIdle = setTimeout($this.show.bind($this), $this.options.delay);
}
}).on("mouseleave", function() {
if (hoverIdle) {
clearTimeout(hoverIdle);
}
$this.remainIdle = setTimeout(function() {
if (active && active == $this) $this.hide();
}, $this.options.remaintime);
}).on("click", function(e){
var $target = UI.$(e.target);
if ($this.remainIdle) {
clearTimeout($this.remainIdle);
}
if ($target.is("a[href='#']") || $target.parent().is("a[href='#']")){
e.preventDefault();
}
$this.show();
});
}
},
show: function(){
UI.$html.off("click.outer.dropdown");
if (active && active != this) {
active.hide();
}
if (hoverIdle) {
clearTimeout(hoverIdle);
}
this.checkDimensions();
this.element.addClass('uk-open');
// Update ARIA
this.element.attr('aria-expanded', 'true');
this.trigger('show.uk.dropdown', [this]);
UI.Utils.checkDisplay(this.dropdown, true);
active = this;
this.registerOuterClick();
},
hide: function() {
this.element.removeClass('uk-open');
if (this.remainIdle) {
clearTimeout(this.remainIdle);
}
this.remainIdle = false;
// Update ARIA
this.element.attr('aria-expanded', 'false');
this.trigger('hide.uk.dropdown', [this]);
if (active == this) active = false;
},
registerOuterClick: function(){
var $this = this;
UI.$html.off("click.outer.dropdown");
setTimeout(function() {
UI.$html.on("click.outer.dropdown", function(e) {
if (hoverIdle) {
clearTimeout(hoverIdle);
}
var $target = UI.$(e.target);
if (active == $this && ($target.is("a:not(.js-uk-prevent)") || $target.is(".uk-dropdown-close") || !$this.dropdown.find(e.target).length)) {
$this.hide();
UI.$html.off("click.outer.dropdown");
}
});
}, 10);
},
checkDimensions: function() {
if (!this.dropdown.length) return;
if (this.justified && this.justified.length) {
this.dropdown.css("min-width", "");
}
var $this = this,
dropdown = this.dropdown.css("margin-" + UI.langdirection, ""),
offset = dropdown.show().offset(),
width = dropdown.outerWidth(),
boundarywidth = this.boundary.width(),
boundaryoffset = this.boundary.offset() ? this.boundary.offset().left:0;
// centered dropdown
if (this.centered) {
dropdown.css("margin-" + UI.langdirection, (parseFloat(width) / 2 - dropdown.parent().width() / 2) * -1);
offset = dropdown.offset();
// reset dropdown
if ((width + offset.left) > boundarywidth || offset.left < 0) {
dropdown.css("margin-" + UI.langdirection, "");
offset = dropdown.offset();
}
}
// justify dropdown
if (this.justified && this.justified.length) {
var jwidth = this.justified.outerWidth();
dropdown.css("min-width", jwidth);
if (UI.langdirection == 'right') {
var right1 = boundarywidth - (this.justified.offset().left + jwidth),
right2 = boundarywidth - (dropdown.offset().left + dropdown.outerWidth());
dropdown.css("margin-right", right1 - right2);
} else {
dropdown.css("margin-left", this.justified.offset().left - offset.left);
}
offset = dropdown.offset();
}
if ((width + (offset.left-boundaryoffset)) > boundarywidth) {
dropdown.addClass('uk-dropdown-flip');
offset = dropdown.offset();
}
if ((offset.left-boundaryoffset) < 0) {
dropdown.addClass("uk-dropdown-stack");
if (dropdown.hasClass('uk-dropdown-flip')) {
if (!this.flipped) {
dropdown.removeClass('uk-dropdown-flip');
offset = dropdown.offset();
dropdown.addClass('uk-dropdown-flip');
}
setTimeout(function(){
if ((dropdown.offset().left-boundaryoffset) < 0 || !$this.flipped && (dropdown.outerWidth() + (offset.left-boundaryoffset)) < boundarywidth) {
dropdown.removeClass('uk-dropdown-flip');
}
}, 0);
}
this.trigger('stack.uk.dropdown', [this]);
}
dropdown.css("display", "");
}
});
})(UIkit);