It seems that jQueryUI only recognises the mouse move event, but not the touch move event. Here you could use the
jQuery UI Touch Punch library, which extends jQueryUI with the missing event:
Note: Please only open the code with a SpiderBasic version greater than 3.01, otherwise the JavaScript code will be changed.
Code: Select all
EnableExplicit
Enumeration
#window
#gadget
EndEnumeration
Procedure jQueryUITouchPunch()
EnableJS
/*!
* jQuery UI Touch Punch 0.2.3 (https://github.com/furf/jquery-ui-touch-punch)
*
* Copyright 2011–2014, Dave Furfero
* Dual licensed under the MIT or GPL Version 2 licenses.
*
* Depends:
* jquery.ui.widget.js
* jquery.ui.mouse.js
*/
(function ($) {
// Detect touch support
$.support.touch = 'ontouchend' in document;
// Ignore browsers without touch support
if (!$.support.touch) {
return;
}
var mouseProto = $.ui.mouse.prototype,
_mouseInit = mouseProto._mouseInit,
_mouseDestroy = mouseProto._mouseDestroy,
touchHandled;
/**
* Simulate a mouse event based on a corresponding touch event
* @param {Object} event A touch event
* @param {String} simulatedType The corresponding mouse event
*/
function simulateMouseEvent (event, simulatedType) {
// Ignore multi-touch events
if (event.originalEvent.touches.length > 1) {
return;
}
event.preventDefault();
var touch = event.originalEvent.changedTouches[0],
simulatedEvent = document.createEvent('MouseEvents');
// Initialize the simulated mouse event using the touch event's coordinates
simulatedEvent.initMouseEvent(
simulatedType, // type
true, // bubbles
true, // cancelable
window, // view
1, // detail
touch.screenX, // screenX
touch.screenY, // screenY
touch.clientX, // clientX
touch.clientY, // clientY
false, // ctrlKey
false, // altKey
false, // shiftKey
false, // metaKey
0, // button
null // relatedTarget
);
// Dispatch the simulated event to the target element
event.target.dispatchEvent(simulatedEvent);
}
/**
* Handle the jQuery UI widget's touchstart events
* @param {Object} event The widget element's touchstart event
*/
mouseProto._touchStart = function (event) {
var self = this;
// Ignore the event if another widget is already being handled
if (touchHandled || !self._mouseCapture(event.originalEvent.changedTouches[0])) {
return;
}
// Set the flag to prevent other widgets from inheriting the touch event
touchHandled = true;
// Track movement to determine if interaction was a click
self._touchMoved = false;
// Simulate the mouseover event
simulateMouseEvent(event, 'mouseover');
// Simulate the mousemove event
simulateMouseEvent(event, 'mousemove');
// Simulate the mousedown event
simulateMouseEvent(event, 'mousedown');
};
/**
* Handle the jQuery UI widget's touchmove events
* @param {Object} event The document's touchmove event
*/
mouseProto._touchMove = function (event) {
// Ignore event if not handled
if (!touchHandled) {
return;
}
// Interaction was not a click
this._touchMoved = true;
// Simulate the mousemove event
simulateMouseEvent(event, 'mousemove');
};
/**
* Handle the jQuery UI widget's touchend events
* @param {Object} event The document's touchend event
*/
mouseProto._touchEnd = function (event) {
// Ignore event if not handled
if (!touchHandled) {
return;
}
// Simulate the mouseup event
simulateMouseEvent(event, 'mouseup');
// Simulate the mouseout event
simulateMouseEvent(event, 'mouseout');
// If the touch interaction did not move, it should trigger a click
if (!this._touchMoved) {
// Simulate the click event
simulateMouseEvent(event, 'click');
}
// Unset the flag to allow other widgets to inherit the touch event
touchHandled = false;
};
/**
* A duck punch of the $.ui.mouse _mouseInit method to support touch events.
* This method extends the widget with bound touch event handlers that
* translate touch events to mouse events and pass them to the widget's
* original mouse event handling methods.
*/
mouseProto._mouseInit = function () {
var self = this;
// Delegate the touch handlers to the widget's element
self.element.bind({
touchstart: $.proxy(self, '_touchStart'),
touchmove: $.proxy(self, '_touchMove'),
touchend: $.proxy(self, '_touchEnd')
});
// Call the original $.ui.mouse init method
_mouseInit.call(self);
};
/**
* Remove the touch event handlers
*/
mouseProto._mouseDestroy = function () {
var self = this;
// Delegate the touch handlers to the widget's element
self.element.unbind({
touchstart: $.proxy(self, '_touchStart'),
touchmove: $.proxy(self, '_touchMove'),
touchend: $.proxy(self, '_touchEnd')
});
// Call the original $.ui.mouse destroy method
_mouseDestroy.call(self);
};
})(jQuery);
DisableJS
EndProcedure
Procedure Main()
Protected pic
OpenWindow(#window, 0, 0, 800, 600, "Test")
pic = CreateImage(#PB_Any, 100, 60, 32, RGB(200, 0, 0))
ImageGadget(#gadget, 20, 20, ImageWidth(pic), ImageHeight(pic), ImageID(pic))
Protected GID
GID = GadgetID(#gadget)
! $(v_gid.gadget).draggable();
EndProcedure
jQueryUITouchPunch()
Main()
