16 lines
6.8 KiB
JavaScript
16 lines
6.8 KiB
JavaScript
/**
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* Copyright 2014 Telerik AD
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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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!function(e,define){define(["./kendo.core.min"],e)}(function(){return function(e){function t(e,t){var n=e.x.location,i=e.y.location,r=t.x.location,o=t.y.location,a=n-r,s=i-o;return{center:{x:(n+r)/2,y:(i+o)/2},distance:Math.sqrt(a*a+s*s)}}function n(e){var t,n,i,r=[],a=e.originalEvent,s=e.currentTarget,u=0;if(e.api)r.push({id:2,event:e,target:e.target,currentTarget:e.target,location:e,type:"api"});else if(e.type.match(/touch/))for(n=a?a.changedTouches:[],t=n.length;t>u;u++)i=n[u],r.push({location:i,event:e,target:i.target,currentTarget:s,id:i.identifier,type:"touch"});else r.push(o.pointers||o.msPointers?{location:a,event:e,target:e.target,currentTarget:s,id:a.pointerId,type:"pointer"}:{id:1,event:e,target:e.target,currentTarget:s,location:e,type:"mouse"});return r}function i(e){for(var t=r.eventMap.up.split(" "),n=0,i=t.length;i>n;n++)e(t[n])}var r=window.kendo,o=r.support,a=window.document,s=r.Class,u=r.Observable,l=e.now,c=e.extend,d=o.mobileOS,f=d&&d.android,h=800,p=o.browser.msie?5:0,g="press",m="hold",v="select",y="start",_="move",b="end",w="cancel",x="tap",F="release",k="gesturestart",S="gesturechange",M="gestureend",T="gesturetap",C={api:0,touch:0,mouse:9,pointer:9},D=s.extend({init:function(e,t){var n=this;n.axis=e,n._updateLocationData(t),n.startLocation=n.location,n.velocity=n.delta=0,n.timeStamp=l()},move:function(e){var t=this,n=e["page"+t.axis],i=l(),r=i-t.timeStamp||1;(n||!f)&&(t.delta=n-t.location,t._updateLocationData(e),t.initialDelta=n-t.startLocation,t.velocity=t.delta/r,t.timeStamp=i)},_updateLocationData:function(e){var t=this,n=t.axis;t.location=e["page"+n],t.client=e["client"+n],t.screen=e["screen"+n]}}),z=s.extend({init:function(e,t,n){c(this,{x:new D("X",n.location),y:new D("Y",n.location),type:n.type,threshold:e.threshold||C[n.type],userEvents:e,target:t,currentTarget:n.currentTarget,initialTouch:n.target,id:n.id,pressEvent:n,_moved:!1,_finished:!1})},press:function(){this._holdTimeout=setTimeout(e.proxy(this,"_hold"),this.userEvents.minHold),this._trigger(g,this.pressEvent)},_hold:function(){this._trigger(m,this.pressEvent)},move:function(e){var t=this;if(!t._finished){if(t.x.move(e.location),t.y.move(e.location),!t._moved){if(t._withinIgnoreThreshold())return;if(E.current&&E.current!==t.userEvents)return t.dispose();t._start(e)}t._finished||t._trigger(_,e)}},end:function(e){var t=this;t.endTime=l(),t._finished||(t._finished=!0,t._trigger(F,e),t._moved?t._trigger(b,e):t._trigger(x,e),clearTimeout(t._holdTimeout),t.dispose())},dispose:function(){var t=this.userEvents,n=t.touches;this._finished=!0,this.pressEvent=null,clearTimeout(this._holdTimeout),n.splice(e.inArray(this,n),1)},skip:function(){this.dispose()},cancel:function(){this.dispose()},isMoved:function(){return this._moved},_start:function(e){clearTimeout(this._holdTimeout),this.startTime=l(),this._moved=!0,this._trigger(y,e)},_trigger:function(e,t){var n=this,i=t.event,r={touch:n,x:n.x,y:n.y,target:n.target,event:i};n.userEvents.notify(e,r)&&i.preventDefault()},_withinIgnoreThreshold:function(){var e=this.x.initialDelta,t=this.y.initialDelta;return Math.sqrt(e*e+t*t)<=this.threshold}}),E=u.extend({init:function(t,n){var s,l,d,f=this,C=r.guid();n=n||{},s=f.filter=n.filter,f.threshold=n.threshold||p,f.minHold=n.minHold||h,f.touches=[],f._maxTouches=n.multiTouch?2:1,f.allowSelection=n.allowSelection,f.captureUpIfMoved=n.captureUpIfMoved,f.eventNS=C,t=e(t).handler(f),u.fn.init.call(f),c(f,{element:t,surface:e(n.global?a.documentElement:n.surface||t),stopPropagation:n.stopPropagation,pressed:!1}),f.surface.handler(f).on(r.applyEventMap("move",C),"_move").on(r.applyEventMap("up cancel",C),"_end"),t.on(r.applyEventMap("down",C),s,"_start"),(o.pointers||o.msPointers)&&t.css("-ms-touch-action","pinch-zoom double-tap-zoom"),n.preventDragEvent&&t.on(r.applyEventMap("dragstart",C),r.preventDefault),t.on(r.applyEventMap("mousedown",C),s,{root:t},"_select"),f.captureUpIfMoved&&o.eventCapture&&(l=f.surface[0],d=e.proxy(f.preventIfMoving,f),i(function(e){l.addEventListener(e,d,!0)})),f.bind([g,m,x,y,_,b,F,w,k,S,M,T,v],n)},preventIfMoving:function(e){this._isMoved()&&e.preventDefault()},destroy:function(){var e,t=this;t._destroyed||(t._destroyed=!0,t.captureUpIfMoved&&o.eventCapture&&(e=t.surface[0],i(function(n){e.removeEventListener(n,t.preventIfMoving)})),t.element.kendoDestroy(t.eventNS),t.surface.kendoDestroy(t.eventNS),t.element.removeData("handler"),t.surface.removeData("handler"),t._disposeAll(),t.unbind(),delete t.surface,delete t.element,delete t.currentTarget)},capture:function(){E.current=this},cancel:function(){this._disposeAll(),this.trigger(w)},notify:function(e,n){var i=this,r=i.touches;if(this._isMultiTouch()){switch(e){case _:e=S;break;case b:e=M;break;case x:e=T}c(n,{touches:r},t(r[0],r[1]))}return this.trigger(e,c(n,{type:e}))},press:function(e,t,n){this._apiCall("_start",e,t,n)},move:function(e,t){this._apiCall("_move",e,t)},end:function(e,t){this._apiCall("_end",e,t)},_isMultiTouch:function(){return this.touches.length>1},_maxTouchesReached:function(){return this.touches.length>=this._maxTouches},_disposeAll:function(){for(var e=this.touches;e.length>0;)e.pop().dispose()},_isMoved:function(){return e.grep(this.touches,function(e){return e.isMoved()}).length},_select:function(e){(!this.allowSelection||this.trigger(v,{event:e}))&&e.preventDefault()},_start:function(t){var i,r,o=this,a=0,s=o.filter,u=n(t),l=u.length,c=t.which;if(!(c&&c>1||o._maxTouchesReached()))for(E.current=null,o.currentTarget=t.currentTarget,o.stopPropagation&&t.stopPropagation();l>a&&!o._maxTouchesReached();a++)r=u[a],i=s?e(r.currentTarget):o.element,i.length&&(r=new z(o,i,r),o.touches.push(r),r.press(),o._isMultiTouch()&&o.notify("gesturestart",{}))},_move:function(e){this._eachTouch("move",e)},_end:function(e){this._eachTouch("end",e)},_eachTouch:function(e,t){var i,r,o,a,s=this,u={},l=n(t),c=s.touches;for(i=0;c.length>i;i++)r=c[i],u[r.id]=r;for(i=0;l.length>i;i++)o=l[i],a=u[o.id],a&&a[e](o)},_apiCall:function(t,n,i,r){this[t]({api:!0,pageX:n,pageY:i,clientX:n,clientY:i,target:e(r||this.element)[0],stopPropagation:e.noop,preventDefault:e.noop})}});E.defaultThreshold=function(e){p=e},E.minHold=function(e){h=e},r.getTouches=n,r.touchDelta=t,r.UserEvents=E}(window.kendo.jQuery),window.kendo},"function"==typeof define&&define.amd?define:function(e,t){t()}); |