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Remove the tap-and-hold files
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Hadi Nategh
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7042219529
commit
af7b1a0fe0
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jQuery - Tap and Hold
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=====================
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This jQuery plugin lets you detect a tap and hold event on touch interfaces.
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How to use it?
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1) Add the jQuery Tap and Hold plugin into your HTML
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<script src="jquery.tapandhold.js" type="text/javascript"></script>
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2) Bind a tap and hold handler function to the tap and hold event of an element.
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$("#myDiv").bind("taphold", function(event){
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alert("This is a tap and hold!");
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});
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You can check a working example in examples/example1.html
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<html>
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<head>
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<title>jQuery - Tap and Hold</title>
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<script src="http://code.jquery.com/jquery-1.7.min.js" type="text/javascript"></script>
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<script src="https://raw.github.com/zaubersoftware/jquery-tap-and-hold/master/jquery.tapandhold.js" type="text/javascript"></script>
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<script type="text/javascript">
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$(function(){
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$(".tap").bind("taphold", function(){
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alert("Hello Tap and Hold World!");
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});
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});
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</script>
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</head>
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<body>
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<div class="tap" style="width:200px; height:200px; background-color: blue; margin: 100px 300px;"></div>
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</body>
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</html>
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@ -1,136 +0,0 @@
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/**
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* Copyright (c) 2011 Zauber S.A. <http://www.zaubersoftware.com/>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @author Guido Marucci Blas - guido@zaubersoftware.com
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* @description Adds a handler for a custom event 'taphold' that handles a
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* tap and hold on touch interfaces.
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*/
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(function($) {
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var TAP_AND_HOLD_TRIGGER_TIMER = 600;
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var MAX_DISTANCE_ALLOWED_IN_TAP_AND_HOLD_EVENT = 40;
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var TOUCHSTART = "touchstart";
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var TOUCHEND = "touchend";
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var TOUCHMOVE = "touchmove";
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// For debugging only
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// var TOUCHSTART = "mousedown";
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// var TOUCHEND = "mouseup";
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// var TOUCHMOVE = "mousemove";
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var tapAndHoldTimer = null;
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function calculateEuclideanDistance(x1, y1, x2, y2) {
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var diffX = (x2 - x1);
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var diffY = (y2 - y1);
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return Math.sqrt((diffX * diffX) + (diffY * diffY));
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};
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function onTouchStart(event) {
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var e = event.originalEvent;
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// Only start detector if and only if one finger is over the widget
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if (!e.touches || (e.targetTouches.length === 1 && e.touches.length === 1)) {
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startTapAndHoldDetector.call(this, event)
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var element = $(this);
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element.bind(TOUCHMOVE, onTouchMove);
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element.bind(TOUCHEND, onTouchEnd);
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} else {
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stopTapAndHoldDetector.call(this);
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}
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};
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function onTouchMove(event) {
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if (tapAndHoldTimer == null) {
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return;
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}
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var e = event.originalEvent;
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var x = (e.changedTouches) ? e.changedTouches[0].pageX: e.pageX;
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var y = (e.changedTouches) ? e.changedTouches[0].pageY: e.pageY;
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var tapAndHoldPoint = $(this).data("taphold.point");
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var euclideanDistance = calculateEuclideanDistance(tapAndHoldPoint.x, tapAndHoldPoint.y, x, y);
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if (euclideanDistance > MAX_DISTANCE_ALLOWED_IN_TAP_AND_HOLD_EVENT) {
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stopTapAndHoldDetector.call(this);
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}
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};
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function onTouchEnd(event) {
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stopTapAndHoldDetector.call(this);
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};
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function onTapAndHold(event) {
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clear.call(this);
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$(this).data("taphold.handler").call(this, event);
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};
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function clear() {
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tapAndHoldTimer = null;
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$(this).unbind(TOUCHMOVE, onTouchMove);
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$(this).unbind(TOUCHEND, onTouchEnd);
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};
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function startTapAndHoldDetector(event) {
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if (tapAndHoldTimer != null) {
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return;
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}
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var self = this;
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tapAndHoldTimer = setTimeout(function(){
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onTapAndHold.call(self, event)
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}, TAP_AND_HOLD_TRIGGER_TIMER);
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// Stores tap x & y
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var e = event.originalEvent;
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var tapAndHoldPoint = {};
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tapAndHoldPoint.x = (e.changedTouches) ? e.changedTouches[0].pageX: e.pageX;
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tapAndHoldPoint.y = (e.changedTouches) ? e.changedTouches[0].pageY: e.pageY;
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$(this).data("taphold.point", tapAndHoldPoint);
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};
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function stopTapAndHoldDetector() {
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clearTimeout(tapAndHoldTimer);
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clear.call(this);
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};
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$.event.special["taphold"] = {
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setup: function() {
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},
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add: function(handleObj) {
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$(this).data("taphold.handler", handleObj.handler);
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if (handleObj.data) {
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$(this).bind(TOUCHSTART, handleObj.data, onTouchStart);
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} else {
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$(this).bind(TOUCHSTART, onTouchStart);
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}
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},
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remove: function(handleObj) {
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stopTapAndHoldDetector.call(this);
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if (handleObj.data) {
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$(this).unbind(TOUCHSTART, handleObj.data, onTouchStart);
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} else {
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$(this).unbind(TOUCHSTART, onTouchStart);
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}
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},
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teardown: function() {
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}
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};
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})(jQuery);
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