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/**
* Children listing
*
* @module package/quiqqer/bricks/bin/Controls/Children/Infinite
* @author www.pcsg.de (Henning Leutz)
*
* @require qui/QUI
* @require qui/controls/Control
*/
define('package/quiqqer/bricks/bin/Controls/Children/Slider', [
'qui/QUI',
'qui/controls/Control',
'qui/utils/Functions'
], function (QUI, QUIControl, QUIFunctionUtils) {
"use strict";
return new Class({
Extends: QUIControl,
Type : 'package/quiqqer/bricks/bin/Controls/Children/Slider',
Binds: [
'$onImport',
'$onScroll',
'prev',
],
initialize: function (options) {
this.parent(options);
this.$SlideFX = null;
this.$Prev = null;
this.$Next = null;
this.$Inner = null;
this.$scrollLength = null;
this.$scrollMax = 0;
this.addEvents({
onImport: this.$onImport
});
QUI.addEvent('resize', this.resize);
},
/**
* resize the control and recalc all slide vars
*/
resize: function () {
var size = this.getElm().getSize(),
winSize = QUI.getWindowSize();
// display the buttons? if mobile, dont display it
if (winSize.x < size.x + 100) {
this.$mobile = true;
this.hideNextButton();
this.hidePrevButton();
} else {
this.$mobile = false;
this.showNextButton();
this.showNextButton();
}
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this.$scrollLength = (size.x / 1.2).round();
this.$scrollMax = this.$Inner.getScrollSize().x - size.x;
},
/**
* event : on import
*/
$onImport: function () {
var Elm = this.getElm();
this.$Next = new Element('div', {
'class': 'quiqqer-bricks-children-slider-next hide-on-mobile',
html : '<span class="fa fa-angle-right"></span>',
styles : {
display: 'none',
right : 0,
opacity: 0
},
events : {
click: this.next
}
}).inject(Elm);
this.$Prev = new Element('div', {
'class': 'quiqqer-bricks-children-slider-prev hide-on-mobile',
html : '<span class="fa fa-angle-left"></span>',
styles : {
display: 'none',
left : 0,
opacity: 0
},
events : {
click: this.prev
}
}).inject(Elm);
this.$Inner = Elm.getElement(
'.quiqqer-bricks-children-slider-container-inner'
);
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this.$SlideFX = new Fx.Scroll(this.$Inner);
var scrollSpy = QUIFunctionUtils.debounce(this.$onScroll, 200);
this.$Inner.addEvent('scroll', scrollSpy);
this.$NextFX = moofx(this.$Next);
this.$PrevFX = moofx(this.$Prev);
this.showNextButton.delay(200, this);
// calc scrolling vars
this.resize();
},
/**
* Show previous articles
*
* @return {Promise}
*/
prev: function () {
return new Promise(function (resolve) {
var left = this.$Inner.getScroll().x - this.$scrollLength;
if (left < 0) {
left = 0;
}
this.$SlideFX.start(left, 0).chain(resolve);
}.bind(this));
},
/**
* Show next articles
*
* @return {Promise}
*/
next: function () {
return new Promise(function (resolve) {
var left = this.$Inner.getScroll().x + this.$scrollLength;
this.$SlideFX.start(left, 0).chain(resolve);
}.bind(this));
},
/**
* Show the next button
* @returns {Promise}
*/
showNextButton: function () {
if (this.$mobile) {
return Promise.resolve();
}
return new Promise(function (resolve) {
this.$Next.setStyle('display', null);
this.$NextFX.animate({
right : -50,
opacity: 1
}, {
duration: 200,
callback: resolve
});
}.bind(this));
},
/**
* Show the previous button
* @returns {Promise}
*/
showPrevButton: function () {
if (this.$mobile) {
return Promise.resolve();
}
return new Promise(function (resolve) {
this.$Prev.setStyle('display', null);
this.$PrevFX.animate({
left : -50,
opacity: 1
}, {
duration: 200,
callback: resolve
});
}.bind(this));
},
/**
* Hide the next button
* @returns {Promise}
*/
hideNextButton: function () {
if (this.$mobile) {
return Promise.resolve();
}
return new Promise(function (resolve) {
this.$NextFX.animate({
right : 0,
opacity: 0
}, {
duration: 200,
callback: function () {
this.$Next.setStyle('display', 'none');
resolve();
}.bind(this)
});
}.bind(this));
},
/**
* Hide the prev button
* @returns {Promise}
*/
hidePrevButton: function () {
if (this.$mobile) {
return Promise.resolve();
}
return new Promise(function (resolve) {
this.$PrevFX.animate({
left : 0,
opacity: 0
}, {
duration: 200,
callback: function () {
this.$Prev.setStyle('display', 'none');
resolve();
}.bind(this)
});
}.bind(this));
},
/**
* event : on scroll
* look for the prev and next button
*/
$onScroll: function () {
var left = this.$Inner.getScroll().x;
if (left === 0) {
this.hidePrevButton();
} else {
this.showPrevButton();
}
if (left === this.$scrollMax) {
this.hideNextButton();
} else {
this.showNextButton();
}
}
});
});