From 3e2e94bd6b285eb6c1c646720058057662e1a79d Mon Sep 17 00:00:00 2001 From: Tai Poh Nean Date: Tue, 31 Oct 2017 20:27:55 +0800 Subject: [PATCH] Adding the 'touchMoveSensitivity' option --- README.md | 15 +++++++++++++++ Sortable.js | 11 +++++++++-- Sortable.min.js | 3 ++- 3 files changed, 26 insertions(+), 3 deletions(-) diff --git a/README.md b/README.md index 9d6a4ad..e15f600 100644 --- a/README.md +++ b/README.md @@ -82,6 +82,7 @@ var sortable = new Sortable(el, { group: "name", // or { name: "...", pull: [true, false, clone], put: [true, false, array] } sort: true, // sorting inside list delay: 0, // time in milliseconds to define when the sorting should start + touchMoveSensitivity: 0, // px, how many pixels the point should move before cancelling a delayed drag event disabled: false, // Disables the sortable if set to true. store: null, // @see Store animation: 150, // ms, animation speed moving items when sorting, `0` — without animation @@ -213,6 +214,20 @@ Demo: http://jsbin.com/xizeh/edit?html,js,output --- +#### `touchMoveSensitivity` option +This option is similar to `fallbackTolerance` option. + +When the `delay` option is set, some phones with very sensitive touch displays like the Samsung Galaxy S8 will fire +unwanted touchmove events even when your finger is not moving, resulting in the sort not triggering. + +This option sets the minimum pointer movement that must occur before the delayed sorting is cancelled. + +Values between 3 to 5 are good. + + +--- + + #### `disabled` options Disables the sortable if set to `true`. diff --git a/Sortable.js b/Sortable.js index 4515eae..9e4d056 100644 --- a/Sortable.js +++ b/Sortable.js @@ -271,6 +271,7 @@ dragoverBubble: false, dataIdAttr: 'data-id', delay: 0, + touchMoveSensitivity: 0, forceFallback: false, fallbackClass: 'sortable-fallback', fallbackOnBody: false, @@ -452,8 +453,8 @@ _on(ownerDocument, 'touchend', _this._disableDelayedDrag); _on(ownerDocument, 'touchcancel', _this._disableDelayedDrag); _on(ownerDocument, 'mousemove', _this._disableDelayedDrag); - _on(ownerDocument, 'touchmove', _this._disableDelayedDrag); - options.supportPointer && _on(ownerDocument, 'pointermove', _this._disableDelayedDrag); + _on(ownerDocument, 'touchmove', _this._delayedDragTouchMoveHandler); + options.supportPointer && _on(ownerDocument, 'pointermove', _this._delayedDragTouchMoveHandler); _this._dragStartTimer = setTimeout(dragStartFn, options.delay); } else { @@ -464,6 +465,12 @@ } }, + _delayedDragTouchMoveHandler: function (/** TouchEvent|PointerEvent **/e) { + if (min(abs(e.clientX - this._lastX), abs(e.clientY - this._lastY)) > this.options.touchMoveSensitivity) { + this._disableDelayedDrag(); + } + }, + _disableDelayedDrag: function () { var ownerDocument = this.el.ownerDocument; diff --git a/Sortable.min.js b/Sortable.min.js index 22b6b2c..772f8e5 100644 --- a/Sortable.min.js +++ b/Sortable.min.js @@ -1,2 +1,3 @@ /*! 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i,a=this,s=a.el,h=a.options,p=s.ownerDocument;n&&!C&&n.parentNode===s&&(F=t,N=s,S=(C=n).parentNode,k=C.nextSibling,B=n,H=h.group,R=o,this._lastX=(e||t).clientX,this._lastY=(e||t).clientY,C.style["will-change"]="all",i=function(){a._disableDelayedDrag(),C.draggable=a.nativeDraggable,l(C,h.chosenClass,!0),a._triggerDragStart(t,e),d(a,N,"choose",C,N,N,R)},h.ignore.split(",").forEach(function(t){c(C,t.trim(),u)}),r(p,"mouseup",a._onDrop),r(p,"touchend",a._onDrop),r(p,"touchcancel",a._onDrop),r(p,"selectstart",a),h.supportPointer&&r(p,"pointercancel",a._onDrop),h.delay?(r(p,"mouseup",a._disableDelayedDrag),r(p,"touchend",a._disableDelayedDrag),r(p,"touchcancel",a._disableDelayedDrag),r(p,"mousemove",a._disableDelayedDrag),r(p,"touchmove",a._delayedDragTouchMoveHandler),h.supportPointer&&r(p,"pointermove",a._delayedDragTouchMoveHandler),a._dragStartTimer=J(i,h.delay)):i())},_delayedDragTouchMoveHandler:function(t){at(rt(t.clientX-this._lastX),rt(t.clientY-this._lastY))>this.options.touchMoveSensitivity&&this._disableDelayedDrag()},_disableDelayedDrag:function(){var t=this.el.ownerDocument;clearTimeout(this._dragStartTimer),a(t,"mouseup",this._disableDelayedDrag),a(t,"touchend",this._disableDelayedDrag),a(t,"touchcancel",this._disableDelayedDrag),a(t,"mousemove",this._disableDelayedDrag),a(t,"touchmove",this._disableDelayedDrag),a(t,"pointermove",this._disableDelayedDrag)},_triggerDragStart:function(t,e){(e=e||("touch"==t.pointerType?t:null))?(F={target:C,clientX:e.clientX,clientY:e.clientY},this._onDragStart(F,"touch")):this.nativeDraggable?(r(C,"dragend",this),r(N,"dragstart",this._onDragStart)):this._onDragStart(F,!0);try{Q.selection?w(function(){Q.selection.empty()}):window.getSelection().removeAllRanges()}catch(t){}},_dragStarted:function(){if(N&&C){var e=this.options;l(C,e.ghostClass,!0),l(C,e.dragClass,!1),t.active=this,d(this,N,"start",C,N,N,R)}else this._nulling()},_emulateDragOver:function(){if(U){if(this._lastX===U.clientX&&this._lastY===U.clientY)return;this._lastX=U.clientX,this._lastY=U.clientY,ot||s(E,"display","none");var 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A=h(N,c,C,r,i,a,o,P);!1!==A&&(1!==A&&-1!==A||(P=1===A),it=!0,J(p,30),e(g,v),C.contains(c)||(P&&!Y?c.appendChild(C):i.parentNode.insertBefore(C,P?Y:i)),S=C.parentNode,this._animate(r,C),this._animate(a,i))}}},_animate:function(t,e){var n=this.options.animation;if(n){var o=e.getBoundingClientRect();1===t.nodeType&&(t=t.getBoundingClientRect()),s(e,"transition","none"),s(e,"transform","translate3d("+(t.left-o.left)+"px,"+(t.top-o.top)+"px,0)"),e.offsetWidth,s(e,"transition","all "+n+"ms"),s(e,"transform","translate3d(0,0,0)"),clearTimeout(e.animated),e.animated=J(function(){s(e,"transition",""),s(e,"transform",""),e.animated=!1},n)}},_offUpEvents:function(){var t=this.el.ownerDocument;a(Q,"touchmove",this._onTouchMove),a(Q,"pointermove",this._onTouchMove),a(t,"mouseup",this._onDrop),a(t,"touchend",this._onDrop),a(t,"pointerup",this._onDrop),a(t,"touchcancel",this._onDrop),a(t,"pointercancel",this._onDrop),a(t,"selectstart",this)},_onDrop:function(e){var n=this.el,o=this.options;clearInterval(this._loopId),clearInterval(W.pid),clearTimeout(this._dragStartTimer),T(this._cloneId),T(this._dragStartId),a(Q,"mouseover",this),a(Q,"mousemove",this._onTouchMove),this.nativeDraggable&&(a(Q,"drop",this),a(n,"dragstart",this._onDragStart)),this._offUpEvents(),e&&(j&&(!et&&e.preventDefault(),!o.dropBubble&&e.stopPropagation()),E&&E.parentNode&&E.parentNode.removeChild(E),N!==S&&"clone"===t.active.lastPullMode||x&&x.parentNode&&x.parentNode.removeChild(x),C&&(this.nativeDraggable&&a(C,"dragend",this),u(C),C.style["will-change"]="",l(C,this.options.ghostClass,!1),l(C,this.options.chosenClass,!1),d(this,N,"unchoose",C,S,N,R),N!==S?(A=v(C,o.draggable))>=0&&(d(null,S,"add",C,S,N,R,A),d(this,N,"remove",C,S,N,R,A),d(null,S,"sort",C,S,N,R,A),d(this,N,"sort",C,S,N,R,A)):C.nextSibling!==k&&(A=v(C,o.draggable))>=0&&(d(this,N,"update",C,S,N,R,A),d(this,N,"sort",C,S,N,R,A)),t.active&&(null!=A&&-1!==A||(A=R),d(this,N,"end",C,S,N,R,A),this.save()))),this._nulling()},_nulling:function(){N=C=S=E=k=x=B=Y=P=F=U=j=A=M=O=L=H=t.active=null,lt.forEach(function(t){t.checked=!0}),lt.length=0},handleEvent:function(t){switch(t.type){case"drop":case"dragend":this._onDrop(t);break;case"dragover":case"dragenter":C&&(this._onDragOver(t),i(t));break;case"mouseover":this._onDrop(t);break;case"selectstart":t.preventDefault()}},toArray:function(){for(var 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