mirrors/TiddlyWiki5
1
0
Fork 0
mirror of https://github.com/Jermolene/TiddlyWiki5 synced 2024-11-23 10:07:19 +00:00
Code Issues Releases Wiki Activity

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

Browse Source
This commit is contained in:
Jermolene 2017-04-21 08:22:58 +01:00
parent d99e0c9f97
commit aa2f240936
1 changed files with 23 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
plugins/tiddlywiki/mobiledragdrop/files/ios-drag-drop.js
View File

@ -5,6 +5,8 @@ function _exposeIosHtml5DragDropShim(config) {
var coordinateSystemForElementFromPoint; var coordinateSystemForElementFromPoint;
var DRAG_OVER_EMIT_FREQ = 50;
function main() { function main() {
config = config || {}; config = config || {};
if (!config.hasOwnProperty("simulateAnchorClick")) config.simulateAnchorClick = true; if (!config.hasOwnProperty("simulateAnchorClick")) config.simulateAnchorClick = true;
@ -45,6 +47,8 @@ function _exposeIosHtml5DragDropShim(config) {
this.customDragImageX = null; this.customDragImageX = null;
this.customDragImageY = null; this.customDragImageY = null;
this.el = el || event.target; this.el = el || event.target;
this.dragOverTimer = null;
this.lastMoveEvent = null;
log("dragstart"); log("dragstart");
@ -95,6 +99,7 @@ function _exposeIosHtml5DragDropShim(config) {
this.translateDragImage(x, y); this.translateDragImage(x, y);
this.synthesizeEnterLeave(event); 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 // 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/ // 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); 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) { dragend: function(event) {
@ -144,6 +158,7 @@ function _exposeIosHtml5DragDropShim(config) {
var dragendEvt = doc.createEvent("Event"); var dragendEvt = doc.createEvent("Event");
dragendEvt.initEvent("dragend", true, true); dragendEvt.initEvent("dragend", true, true);
this.el.dispatchEvent(dragendEvt); this.el.dispatchEvent(dragendEvt);
this.clearDragOverTimer();
}, },
dispatchDrop: function(target, event) { dispatchDrop: function(target, event) {
var dropEvt = doc.createEvent("Event"); var dropEvt = doc.createEvent("Event");
@ -194,7 +209,7 @@ function _exposeIosHtml5DragDropShim(config) {
this.lastEnter.dispatchEvent(enterEvt); this.lastEnter.dispatchEvent(enterEvt);
}, },
dispatchOver: function(event) { dispatchOver: function() {
var overEvt = doc.createEvent("Event"); var overEvt = doc.createEvent("Event");
overEvt.initEvent("dragover", true, true); overEvt.initEvent("dragover", true, true);
@ -205,7 +220,7 @@ function _exposeIosHtml5DragDropShim(config) {
}.bind(this) }.bind(this)
}; };
var touch = event.changedTouches[0]; var touch = this.lastMoveEvent.changedTouches[0];
overEvt.pageX = touch.pageX; overEvt.pageX = touch.pageX;
overEvt.pageY = touch.pageY; overEvt.pageY = touch.pageY;
overEvt.clientX = touch.clientX; overEvt.clientX = touch.clientX;
@ -232,6 +247,7 @@ function _exposeIosHtml5DragDropShim(config) {
this.lastEnter.dispatchEvent(leaveEvt); this.lastEnter.dispatchEvent(leaveEvt);
this.lastEnter = null; this.lastEnter = null;
this.clearDragOverTimer();
}, },
dispatchDragStart: function() { dispatchDragStart: function() {
var evt = doc.createEvent("Event"); var evt = doc.createEvent("Event");
@ -326,7 +342,7 @@ function _exposeIosHtml5DragDropShim(config) {
var el = evt.target; var el = evt.target;
do { do {
if (elementIsDraggable(el)) { if (elementIsDraggable(el)) {
handleTouchStartOnAnchor(el); handleTouchStartOnAnchor(evt, el);
evt.preventDefault(); evt.preventDefault();
new DragDrop(evt,el); new DragDrop(evt,el);
@ -350,7 +366,7 @@ function _exposeIosHtml5DragDropShim(config) {
return el.tagName.toLowerCase() == "a"; 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. // If draggable isn't explicitly set for anchors, then simulate a click event.
// Otherwise plain old vanilla links will stop working. // Otherwise plain old vanilla links will stop working.
// https://developer.mozilla.org/en-US/docs/Web/Guide/Events/Touch_events#Handling_clicks // https://developer.mozilla.org/en-US/docs/Web/Guide/Events/Touch_events#Handling_clicks
@ -458,4 +474,4 @@ if (typeof module === 'object' && typeof module.exports === 'object') {
} else if (typeof window !== 'undefined') { } else if (typeof window !== 'undefined') {
_exposeIosHtml5DragDropShim(window.iosDragDropShim); _exposeIosHtml5DragDropShim(window.iosDragDropShim);
} }
})(document); })(document);