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Code Issues Releases Wiki Activity

Update to latest version of ios-drag-drop.js

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Jermolene 2017-04-21 08:22:58 +01:00
parent d99e0c9f97
commit aa2f240936
1 changed files with 23 additions and 7 deletions
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28
plugins/tiddlywiki/mobiledragdrop/files/ios-drag-drop.js
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@ -5,6 +5,8 @@ function _exposeIosHtml5DragDropShim(config) {
var coordinateSystemForElementFromPoint;
var DRAG_OVER_EMIT_FREQ = 50;
function main() {
config = config || {};
if (!config.hasOwnProperty("simulateAnchorClick")) config.simulateAnchorClick = true;
@ -45,6 +47,8 @@ function _exposeIosHtml5DragDropShim(config) {
this.customDragImageX = null;
this.customDragImageY = null;
this.el = el || event.target;
this.dragOverTimer = null;
this.lastMoveEvent = null;
log("dragstart");
@ -95,6 +99,7 @@ function _exposeIosHtml5DragDropShim(config) {
this.translateDragImage(x, y);
this.synthesizeEnterLeave(event);
this.synthesizeOver(event);
},
// We use translate instead of top/left because of sub-pixel rendering and for the hope of better performance
// http://www.paulirish.com/2012/why-moving-elements-with-translate-is-better-than-posabs-topleft/
@ -119,8 +124,17 @@ function _exposeIosHtml5DragDropShim(config) {
this.dispatchEnter(event);
}
}
if (this.lastEnter) {
this.dispatchOver(event);
},
synthesizeOver: function(event) {
this.lastMoveEvent = event;
if(this.lastEnter && !this.dragOverTimer) {
this.dragOverTimer = setInterval(this.dispatchOver.bind(this), DRAG_OVER_EMIT_FREQ);
}
},
clearDragOverTimer: function() {
if(this.dragOverTimer) {
clearInterval(this.dragOverTimer);
this.dragOverTimer = null;
}
},
dragend: function(event) {
@ -144,6 +158,7 @@ function _exposeIosHtml5DragDropShim(config) {
var dragendEvt = doc.createEvent("Event");
dragendEvt.initEvent("dragend", true, true);
this.el.dispatchEvent(dragendEvt);
this.clearDragOverTimer();
},
dispatchDrop: function(target, event) {
var dropEvt = doc.createEvent("Event");
@ -194,7 +209,7 @@ function _exposeIosHtml5DragDropShim(config) {
this.lastEnter.dispatchEvent(enterEvt);
},
dispatchOver: function(event) {
dispatchOver: function() {
var overEvt = doc.createEvent("Event");
overEvt.initEvent("dragover", true, true);
@ -205,7 +220,7 @@ function _exposeIosHtml5DragDropShim(config) {
}.bind(this)
};
var touch = event.changedTouches[0];
var touch = this.lastMoveEvent.changedTouches[0];
overEvt.pageX = touch.pageX;
overEvt.pageY = touch.pageY;
overEvt.clientX = touch.clientX;
@ -232,6 +247,7 @@ function _exposeIosHtml5DragDropShim(config) {
this.lastEnter.dispatchEvent(leaveEvt);
this.lastEnter = null;
this.clearDragOverTimer();
},
dispatchDragStart: function() {
var evt = doc.createEvent("Event");
@ -326,7 +342,7 @@ function _exposeIosHtml5DragDropShim(config) {
var el = evt.target;
do {
if (elementIsDraggable(el)) {
handleTouchStartOnAnchor(el);
handleTouchStartOnAnchor(evt, el);
evt.preventDefault();
new DragDrop(evt,el);
@ -350,7 +366,7 @@ function _exposeIosHtml5DragDropShim(config) {
return el.tagName.toLowerCase() == "a";
}
function handleTouchStartOnAnchor(el){
function handleTouchStartOnAnchor(evt, el){
// If draggable isn't explicitly set for anchors, then simulate a click event.
// Otherwise plain old vanilla links will stop working.
// https://developer.mozilla.org/en-US/docs/Web/Guide/Events/Touch_events#Handling_clicks