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Adding touch support for drag library #1061

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Adding touch support for drag library #1061

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202df1e
Adding touch support to drag lib
Jan 22, 2014
e236781
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Jan 22, 2014
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47 changes: 33 additions & 14 deletions 47 src/rangeinput/rangeinput.js
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@
var tool;

tool = $.tools.rangeinput = {
conf: {
min: 0,
max: 100, // as defined in the standard
Expand Down Expand Up @@ -66,22 +66,41 @@

conf = $.extend({x: true, y: true, drag: true}, conf);

doc = doc || $(document).on("mousedown mouseup", function(e) {
doc = doc || $(document).on("mousedown mouseup touchstart touchend", function(e) {

var el = $(e.target);

// start
if (e.type == "mousedown" && el.data("drag")) {
if ((e.type == "mousedown" || e.type == "touchstart") && el.data("drag")) {

var offset = el.position(),
x0 = e.pageX - offset.left,
y0 = e.pageY - offset.top,
start = true;
var offset = el.position();
var x0;
var y0;

if(e.type === 'touchstart') {
if(e.originalEvent) {
x0 = e.originalEvent.changedTouches[0].pageX - offset.left;
y0 = e.originalEvent.changedTouches[0].pageY - offset.top;
}
} else {
x0 = e.pageX - offset.left;
y0 = e.pageY - offset.top;
var start = true;
}

doc.on("mousemove.drag", function(e) {
var x = e.pageX -x0,
y = e.pageY -y0,
props = {};
doc.on("mousemove.drag touchmove", function(e) {
var x;
var y;
if(e.type === 'touchmove') {
if(e.originalEvent) {
x = e.originalEvent.changedTouches[0].pageX - x0;
y = e.originalEvent.changedTouches[0].pageY - y0;
}
} else {
x = e.pageX -x0;
y = e.pageY -y0;
}
var props = {};

if (conf.x) { props.left = x; }
if (conf.y) { props.top = y; }
Expand All @@ -104,7 +123,7 @@
draggable.trigger("dragEnd");
}
} finally {
doc.off("mousemove.drag");
doc.off("mousemove.drag touchmove");
draggable = null;
}
}
Expand Down Expand Up @@ -187,7 +206,7 @@


/**
The flesh and bone of this tool. All sliding is routed trough this.
The flesh and bone of this tool. All sliding is routed trough this.

@param evt types include: click, keydown, blur and api (setValue call)
@param isSetValue when called trough setValue() call (keydown, blur, api)
Expand Down Expand Up @@ -413,7 +432,7 @@

// calculate all dimension related stuff
function init() {
vertical = conf.vertical || dim(root, "height") > dim(root, "width");
vertical = conf.vertical || dim(root, "height") > dim(root, "width");

if (vertical) {
len = dim(root, "height") - dim(handle, "height");
Expand Down
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