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userAction drag method implemented

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This commit is contained in:
Eduardo Lundgren 2008-05-30 04:34:52 +00:00
parent 42b94bf173
commit c8297ce04b
1 changed files with 77 additions and 7 deletions
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84
ui/tests/jquery.useraction.js
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@ -6,6 +6,7 @@
* Date: May, 2008
* Requires jQuery 1.2.x+
* Docs: http://docs.jquery.com/Plugins/userAction
* Greetings: Richard Worth
*/
;(function($) {
@ -20,7 +21,7 @@ $.fn.extend({
}
// set x and y
else if (typeof a1 == StringPool.NUMBER) {
opts.x = a1; options.y = a2;
opts.x = a1; opts.y = a2;
}
// extend options
else {
@ -38,12 +39,12 @@ $.userAction = function(el, type, options) {
this.options = $.extend({}, $.userAction.defaults, options || {});
this.target = $(this.options.target || el)[0];
var self = this, o = this.options, c = o.center, xy = this.findCenter(
var self = this, o = this.options, c = o.center, center = this.findCenter(
c && c.length ? c : [0, 0]
);
// if x and y not set, get the center of the element
o.x = o.x || xy.x; o.y = o.y || xy.y;
o.x = o.x || center.x; o.y = o.y || center.y;
var EVENT_DEFAULT = {
target: this.target,
view: window,
@ -58,6 +59,24 @@ $.userAction = function(el, type, options) {
isMouse = /^mouse(over|out|down|up|move)|(dbl)?click$/i.test(type),
isKeyboard = /^textevent|key(up|down|press)$/i.test(type);
// Simulating drag and drop event
if (/^drag$/i.test(type)) {
var t = this.target, queue = $.data(t, StringPool.DATA_QUEUE),
data = [options.dx || options.x, options.dy || options.y];
if (!queue) {
$.data(t, StringPool.DATA_QUEUE, [data]);
this.drag(options.dx || options.x, options.dy || options.y);
return;
}
// queuing drags...
if (queue && queue.length) {
queue.push(data);
}
// if drag, stop here.
return;
}
var EVT = isMouse ?
$.extend({}, EVENT_DEFAULT, {
clientX: o.x, clientY: o.y,
@ -68,8 +87,11 @@ $.userAction = function(el, type, options) {
$.extend({}, EVENT_DEFAULT, {
keyCode: o.keyCode || 0, charCode: o.charCode || 0
});
if (o.before) o.before.apply(this.target, [ $.event.fix(EVT), o.x, o.y, this]);
// avoid e.type == undefined before dispatchment
EVT.type = type;
if (o.before) o.before.apply(this.target, [$.event.fix(EVT), o.x, o.y, this]);
// check event type for mouse events
if (isMouse) {
@ -88,6 +110,45 @@ $.userAction = function(el, type, options) {
$.extend($.userAction.prototype, {
drag: function(dx, dy) {
// drag helper function, thanks Richard Worth's testmouse api.
var self = this, o = this.options, center = this.findCenter(),
target = $(this.target), lastx = center.x, lasty = center.y,
fake = $(StringPool.FAKE_CURSOR_EXP);
fake = fake.size() ? fake :
$(StringPool.FAKE_CURSOR_DIV)
.css({ position: StringPool.ABSOLUTE }).appendTo(document.body);
fake
.animate({ left: center.x, top: center.y }, "fast", function() {
target
.userAction(StringPool.MOUSEOVER)
.userAction(StringPool.MOUSEDOWN)
.userAction(StringPool.MOUSEMOVE);
})
.animate({ left: center.x + (dx||0), top: center.y + (dy||0) }, {
speed: "fast",
step: function(i, anim) {
lastx = anim.prop == StringPool.LEFT ? i : lastx;
lasty = anim.prop == StringPool.TOP ? i : lasty;
target.userAction(StringPool.MOUSEMOVE, { x: lastx, y: lasty, after: o.drag });
},
complete: function() {
target.userAction(StringPool.MOUSEUP).userAction(StringPool.MOUSEOUT);
// remove fake cursor
//$(this).remove();
// trigger drag queue
var queue = $.data(self.target, StringPool.DATA_QUEUE);
if (queue) queue.shift();
if (queue && queue[0]) self.drag(queue[0][0], queue[0][1]);
}
});
},
mouseEvent: function(EVT) {
var evt, type = this.type, o = this.options;
@ -205,10 +266,19 @@ var StringPool = {
NUMBER: 'number',
MOUSEOVER: 'mouseover',
MOUSEOUT: 'mouseout',
MOUSEDOWN: 'mousedown',
MOUSEUP: 'mouseup',
MOUSEMOVE: 'mousemove',
MOUSE_EVENTS: 'MouseEvents',
UI_EVENTS: 'UIEvents',
KEY_EVENTS: 'KeyEvents',
EVENTS: 'Events'
EVENTS: 'Events',
FAKE_CURSOR_EXP: 'div.ui-fake-cursor',
FAKE_CURSOR_DIV: '<div class="ui-fake-cursor"/>',
ABSOLUTE: 'absolute',
DATA_QUEUE: 'ua-drag-queue',
TOP: 'top',
LEFT: 'left'
};
})(jQuery);