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use shared headroom

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This commit is contained in:
Luke Pulverenti 2016-08-15 22:40:29 -04:00
parent e5b6336256
commit a11c82ac9d
12 changed files with 177 additions and 156 deletions
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100
dashboard-ui/bower_components/headroom.js/dist/headroom.js vendored
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@ -130,11 +130,11 @@
* @param {DOMElement} elem the header element
* @param {Object} options options for the widget
*/
function Headroom(elem, options) {
function Headroom(elems, options) {
options = extend(options, Headroom.options);
this.lastKnownScrollY = 0;
this.elem = elem;
this.elems = elems;
this.debouncer = new Debouncer(this.update.bind(this));
this.tolerance = normalizeTolerance(options.tolerance);
this.classes = options.classes;
@ -143,8 +143,6 @@
this.initialised = false;
this.onPin = options.onPin;
this.onUnpin = options.onUnpin;
this.onTop = options.onTop;
this.onNotTop = options.onNotTop;
}
Headroom.prototype = {
constructor: Headroom,
@ -154,13 +152,30 @@
*/
init: function () {
this.elem.classList.add(this.classes.initial);
for (var i = 0, length = this.elems.length; i < length; i++) {
this.elems[i].classList.add(this.classes.initial);
}
this.attachEvent();
return this;
},
add: function (elem) {
elem.classList.add(this.classes.initial);
this.elems.push(elem);
},
remove: function (elem) {
var classes = this.classes;
elem.classList.remove(classes.unpinned, classes.pinned, classes.initial);
var i = this.elems.indexOf(elem);
if (i != -1) {
this.elems.splice(i, 1);
}
},
/**
* Unattaches events and removes any classes that were added
*/
@ -168,7 +183,11 @@
var classes = this.classes;
this.initialised = false;
this.elem.classList.remove(classes.unpinned, classes.pinned, classes.top, classes.initial);
for (var i = 0, length = this.elems.length; i < length; i++) {
this.elems[i].classList.remove(classes.unpinned, classes.pinned, classes.initial);
}
removeEventListenerWithOptions(this.scroller, 'scroll', this.debouncer, {
capture: false,
passive: true
@ -196,13 +215,17 @@
* Unpins the header if it's currently pinned
*/
unpin: function () {
var classList = this.elem.classList,
classes = this.classes;
if (classList.contains(classes.pinned) || !classList.contains(classes.unpinned)) {
classList.add(classes.unpinned);
classList.remove(classes.pinned);
this.onUnpin && this.onUnpin.call(this);
var classes = this.classes;
for (var i = 0, length = this.elems.length; i < length; i++) {
var classList = this.elems[i].classList;
if (classList.contains(classes.pinned) || !classList.contains(classes.unpinned)) {
classList.add(classes.unpinned);
classList.remove(classes.pinned);
this.onUnpin && this.onUnpin.call(this);
}
}
},
@ -210,42 +233,19 @@
* Pins the header if it's currently unpinned
*/
pin: function () {
var classList = this.elem.classList,
classes = this.classes;
if (classList.contains(classes.unpinned)) {
classList.remove(classes.unpinned);
classList.add(classes.pinned);
this.onPin && this.onPin.call(this);
var classes = this.classes;
for (var i = 0, length = this.elems.length; i < length; i++) {
var classList = this.elems[i].classList;
if (classList.contains(classes.unpinned)) {
classList.remove(classes.unpinned);
classList.add(classes.pinned);
this.onPin && this.onPin.call(this);
}
}
},
/**
* Handles the top states
*/
top: function () {
var classList = this.elem.classList,
classes = this.classes;
if (!classList.contains(classes.top)) {
classList.add(classes.top);
classList.remove(classes.notTop);
this.onTop && this.onTop.call(this);
}
},
/**
* Handles the not top state
*/
notTop: function () {
var classList = this.elem.classList,
classes = this.classes;
if (!classList.contains(classes.notTop)) {
classList.add(classes.notTop);
classList.remove(classes.top);
this.onNotTop && this.onNotTop.call(this);
}
},
/**
@ -315,14 +315,6 @@
return;
}
if (this.enableTopClasses) {
if (currentScrollY <= this.offset) {
this.top();
} else {
this.notTop();
}
}
if (this.shouldUnpin(currentScrollY, toleranceExceeded)) {
this.unpin();
}
@ -347,8 +339,6 @@
classes: {
pinned: 'headroom--pinned',
unpinned: 'headroom--unpinned',
top: 'headroom--top',
notTop: 'headroom--not-top',
initial: 'headroom'
}
};