218 lines
8.0 KiB
HTML
218 lines
8.0 KiB
HTML
<!DOCTYPE html>
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<html>
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<head lang="en">
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1">
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<meta name="msapplication-tap-highlight" content="no"/>
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<link rel="stylesheet" href="assets/style.css">
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<title>Hammer.js</title>
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<style>
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.container {
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max-width: 900px;
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margin: 0 auto;
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}
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.panes.wrapper {
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max-height: 400px;
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max-width: 800px;
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background: #666;
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margin: 40px auto;
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}
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.panes {
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width: 100%;
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height: 100%;
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overflow: hidden;
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position: relative;
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}
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.pane {
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width: 100%;
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height: 100%;
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position: absolute;
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left: 0;
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top: 0;
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text-align: center;
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font: bold 60px/250px 'Open Sans', Helvetica, Arial, sans-serif;
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color: #fff;
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}
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.panes.animate > .pane {
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transition: all .3s;
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-webkit-transition: all .3s;
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}
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</style>
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</head>
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<body>
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<div class="panes wrapper">
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<div class="pane bg1">
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<div class="panes">
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<div class="pane" style="background: rgba(0,0,0,0);">1.1</div>
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<div class="pane" style="background: rgba(0,0,0,.2);">1.2</div>
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<div class="pane" style="background: rgba(0,0,0,.4);">1.3</div>
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<div class="pane" style="background: rgba(0,0,0,.6);">1.4</div>
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<div class="pane" style="background: rgba(0,0,0,.8);">1.5</div>
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</div>
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</div>
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<div class="pane bg2">
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<div class="panes">
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<div class="pane" style="background: rgba(0,0,0,0);">2.1</div>
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<div class="pane" style="background: rgba(0,0,0,.2);">2.2</div>
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<div class="pane" style="background: rgba(0,0,0,.4);">2.3</div>
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<div class="pane" style="background: rgba(0,0,0,.6);">2.4</div>
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<div class="pane" style="background: rgba(0,0,0,.8);">2.5</div>
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</div>
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</div>
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<div class="pane bg3">
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<div class="panes">
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<div class="pane" style="background: rgba(0,0,0,0);">3.1</div>
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<div class="pane" style="background: rgba(0,0,0,.2);">3.2</div>
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<div class="pane" style="background: rgba(0,0,0,.4);">3.3</div>
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<div class="pane" style="background: rgba(0,0,0,.6);">3.4</div>
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<div class="pane" style="background: rgba(0,0,0,.8);">3.5</div>
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</div>
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</div>
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<div class="pane bg4">
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<div class="panes">
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<div class="pane" style="background: rgba(0,0,0,0);">4.1</div>
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<div class="pane" style="background: rgba(0,0,0,.2);">4.2</div>
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<div class="pane" style="background: rgba(0,0,0,.4);">4.3</div>
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<div class="pane" style="background: rgba(0,0,0,.6);">4.4</div>
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<div class="pane" style="background: rgba(0,0,0,.8);">4.5</div>
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</div>
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</div>
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<div class="pane bg5">
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<div class="panes">
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<div class="pane" style="background: rgba(0,0,0,0);">5.1</div>
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<div class="pane" style="background: rgba(0,0,0,.2);">5.2</div>
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<div class="pane" style="background: rgba(0,0,0,.4);">5.3</div>
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<div class="pane" style="background: rgba(0,0,0,.6);">5.4</div>
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<div class="pane" style="background: rgba(0,0,0,.8);">5.5</div>
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</div>
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</div>
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</div>
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<div class="container">
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<h1>Nested Pan recognizers</h1>
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<p>Nested recognizers are possible with some threshold and with use of <code>requireFailure()</code>.</p>
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</div>
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<script src="../../hammer.js"></script>
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<script>
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var reqAnimationFrame = (function() {
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return window[Hammer.prefixed(window, "requestAnimationFrame")] || function(callback) {
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setTimeout(callback, 1000 / 60);
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}
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})();
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function dirProp(direction, hProp, vProp) {
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return (direction & Hammer.DIRECTION_HORIZONTAL) ? hProp : vProp
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}
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/**
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* Carousel
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* @param container
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* @param direction
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* @constructor
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*/
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function HammerCarousel(container, direction) {
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this.container = container;
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this.direction = direction;
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this.panes = Array.prototype.slice.call(this.container.children, 0);
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this.containerSize = this.container[dirProp(direction, 'offsetWidth', 'offsetHeight')];
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this.currentIndex = 0;
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this.hammer = new Hammer.Manager(this.container);
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this.hammer.add(new Hammer.Pan({ direction: this.direction, threshold: 10 }));
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this.hammer.on("panstart panmove panend pancancel", Hammer.bindFn(this.onPan, this));
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this.show(this.currentIndex);
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}
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HammerCarousel.prototype = {
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/**
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* show a pane
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* @param {Number} showIndex
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* @param {Number} [percent] percentage visible
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* @param {Boolean} [animate]
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*/
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show: function(showIndex, percent, animate){
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showIndex = Math.max(0, Math.min(showIndex, this.panes.length - 1));
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percent = percent || 0;
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var className = this.container.className;
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if(animate) {
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if(className.indexOf('animate') === -1) {
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this.container.className += ' animate';
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}
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} else {
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if(className.indexOf('animate') !== -1) {
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this.container.className = className.replace('animate', '').trim();
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}
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}
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var paneIndex, pos, translate;
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for (paneIndex = 0; paneIndex < this.panes.length; paneIndex++) {
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pos = (this.containerSize / 100) * (((paneIndex - showIndex) * 100) + percent);
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if(this.direction & Hammer.DIRECTION_HORIZONTAL) {
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translate = 'translate3d(' + pos + 'px, 0, 0)';
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} else {
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translate = 'translate3d(0, ' + pos + 'px, 0)'
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}
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this.panes[paneIndex].style.transform = translate;
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this.panes[paneIndex].style.mozTransform = translate;
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this.panes[paneIndex].style.webkitTransform = translate;
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}
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this.currentIndex = showIndex;
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},
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/**
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* handle pan
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* @param {Object} ev
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*/
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onPan : function (ev) {
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var delta = dirProp(this.direction, ev.deltaX, ev.deltaY);
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var percent = (100 / this.containerSize) * delta;
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var animate = false;
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if (ev.type == 'panend' || ev.type == 'pancancel') {
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if (Math.abs(percent) > 20 && ev.type == 'panend') {
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this.currentIndex += (percent < 0) ? 1 : -1;
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}
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percent = 0;
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animate = true;
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}
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this.show(this.currentIndex, percent, animate);
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}
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};
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// the horizontal pane scroller
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var outer = new HammerCarousel(document.querySelector(".panes.wrapper"), Hammer.DIRECTION_HORIZONTAL);
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// each pane should contain a vertical pane scroller
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Hammer.each(document.querySelectorAll(".pane .panes"), function(container) {
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// setup the inner scroller
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var inner = new HammerCarousel(container, Hammer.DIRECTION_VERTICAL);
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// only recognize the inner pan when the outer is failing.
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// they both have a threshold of some px
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outer.hammer.get('pan').requireFailure(inner.hammer.get('pan'));
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});
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</script>
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</body>
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</html>
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