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Multitouch drawing can be disabled

This commit is contained in:
Luis Leiva 2015-07-23 14:05:34 +02:00
parent 50a2033067
commit 47b1a4c4ed
2 changed files with 39 additions and 25 deletions
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58
jquery.sketchable.js
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@ -118,12 +118,13 @@
*/
clear: function() {
return this.each(function() {
var elem = $(this), data = elem.data(_ns), options = data.options;
data.sketch.clear();
data.strokes = [];
data.coords = {};
if (typeof options.events.clear === 'function') {
var elem = $(this), data = elem.data(_ns) || {}, options = data.options;
if (data.sketch) {
data.sketch.clear();
data.strokes = [];
data.coords = {};
}
if (options && typeof options.events.clear === 'function') {
options.events.clear(elem, data);
}
});
@ -139,10 +140,10 @@
*/
reset: function(opts) {
return this.each(function(){
var elem = $(this), data = elem.data(_ns), options = data.options;
var elem = $(this), data = elem.data(_ns) || {}, options = data.options;
elem.sketchable('destroy').sketchable(opts);
if (typeof options.events.reset === 'function') {
if (options && typeof options.events.reset === 'function') {
options.events.reset(elem, data);
}
});
@ -155,7 +156,7 @@
*/
destroy: function() {
return this.each(function(){
var elem = $(this), data = elem.data(_ns), options = data.options;
var elem = $(this), data = elem.data(_ns) || {}, options = data.options;
if (options.interactive) {
elem.unbind("mouseup", mouseupHandler);
elem.unbind("mousemove", mousemoveHandler);
@ -166,7 +167,7 @@
}
elem.removeData(_ns);
if (typeof options.events.destroy === 'function') {
if (options && typeof options.events.destroy === 'function') {
options.events.destroy(elem, data);
}
});
@ -240,8 +241,10 @@
// Indicate whether non-drawing strokes should be registered as well.
// Notice that the last mouseUp stroke is never recorded, as the user has already finished drawing.
mouseupMovements: false,
// Inidicate whether timestamps should be relative (start at time 0) or absolute (start at Unix epoch).
// Indicate whether timestamps should be relative (start at time 0) or absolute (start at Unix epoch).
relTimestamps: false,
// Enable multitouch drawing.
multitouch: true,
// Event callbacks.
events: {
// init: function(elem, data){ },
@ -322,10 +325,15 @@
* @private
*/
function touchdownHandler(e) {
var elem = $(e.target), data = elem.data(_ns), options = data.options;
var touches = e.originalEvent.changedTouches;
for (var i = 0; i < touches.length; i++) {
var touch = touches[i];
downHandler(touch);
if (options.multitouch) {
for (var i = 0; i < touches.length; i++) {
var touch = touches[i];
downHandler(touch);
}
} else {
downHandler(touches[0]);
}
e.preventDefault();
};
@ -334,10 +342,15 @@
* @private
*/
function touchmoveHandler(e) {
var elem = $(e.target), data = elem.data(_ns), options = data.options;
var touches = e.originalEvent.changedTouches;
for (var i = 0; i < touches.length; i++) {
var touch = touches[i];
moveHandler(touch);
if (options.multitouch) {
for (var i = 0; i < touches.length; i++) {
var touch = touches[i];
moveHandler(touch);
}
} else {
moveHandler(touches[0]);
}
e.preventDefault();
};
@ -346,10 +359,15 @@
* @private
*/
function touchupHandler(e) {
var elem = $(e.target), data = elem.data(_ns), options = data.options;
var touches = e.originalEvent.changedTouches;
for (var i = 0; i < touches.length; i++) {
var touch = touches[i];
upHandler(touch);
if (options.multitouch) {
for (var i = 0; i < touches.length; i++) {
var touch = touches[i];
upHandler(touch);
}
} else {
upHandler(touches[0]);
}
e.preventDefault();
};

6
jquery.sketchable.min.js vendored
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