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/*
* jQuery UI @VERSION
*
* Copyright (c) 2008 Paul Bakaus (ui.jquery.com)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI
*
* $Date: 2008-04-01 09:23:47 -0400 (Tue, 01 Apr 2008) $
* $Rev: 5174 $
*/
;(function($) {
//If the UI scope is not available, add it
$.ui = $.ui || {};
//Add methods that are vital for all mouse interaction stuff (plugin registering)
$.extend($.ui, {
plugin: {
add: function(module, option, set) {
var proto = $.ui[module].prototype;
for(var i in set) {
proto.plugins[i] = proto.plugins[i] || [];
proto.plugins[i].push([option, set[i]]);
}
},
call: function(instance, name, arguments) {
var set = instance.plugins[name]; if(!set) return;
for (var i = 0; i < set.length; i++) {
if (instance.options[set[i][0]]) set[i][1].apply(instance.element, arguments);
}
}
},
cssCache: {},
css: function(name) {
if ($.ui.cssCache[name]) return $.ui.cssCache[name];
var tmp = $('<div class="ui-resizable-gen">').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body');
//if (!$.browser.safari)
//tmp.appendTo('body');
//Opera and Safari set width and height to 0px instead of auto
//Safari returns rgba(0,0,0,0) when bgcolor is not set
$.ui.cssCache[name] = !!(
(!/auto|default/.test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) ||
!(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor')))
);
try { $('body').get(0).removeChild(tmp.get(0)); } catch(e){}
return $.ui.cssCache[name];
},
disableSelection: function(e) {
e.unselectable = "on";
e.onselectstart = function() { return false; };
if (e.style) e.style.MozUserSelect = "none";
},
enableSelection: function(e) {
e.unselectable = "off";
e.onselectstart = function() { return true; };
if (e.style) e.style.MozUserSelect = "";
},
hasScroll: function(e, a) {
var scroll = /top/.test(a||"top") ? 'scrollTop' : 'scrollLeft', has = false;
if (e[scroll] > 0) return true; e[scroll] = 1;
has = e[scroll] > 0 ? true : false; e[scroll] = 0;
return has;
}
});
/******* fn scope modifications ********/
$.each( ['Left', 'Top'], function(i, name) {
if(!$.fn['scroll'+name]) $.fn['scroll'+name] = function(v) {
return v != undefined ?
this.each(function() { this == window || this == document ? window.scrollTo(name == 'Left' ? v : $(window)['scrollLeft'](), name == 'Top' ? v : $(window)['scrollTop']()) : this['scroll'+name] = v; }) :
this[0] == window || this[0] == document ? self[(name == 'Left' ? 'pageXOffset' : 'pageYOffset')] || $.boxModel && document.documentElement['scroll'+name] || document.body['scroll'+name] : this[0][ 'scroll' + name ];
};
});
var _remove = $.fn.remove;
$.fn.extend({
position: function() {
var offset = this.offset();
var offsetParent = this.offsetParent();
var parentOffset = offsetParent.offset();
return {
top: offset.top - num(this[0], 'marginTop') - parentOffset.top - num(offsetParent, 'borderTopWidth'),
left: offset.left - num(this[0], 'marginLeft') - parentOffset.left - num(offsetParent, 'borderLeftWidth')
};
},
offsetParent: function() {
var offsetParent = this[0].offsetParent;
while ( offsetParent && (!/^body|html$/i.test(offsetParent.tagName) && $.css(offsetParent, 'position') == 'static') )
offsetParent = offsetParent.offsetParent;
return $(offsetParent);
},
mouseInteraction: function(o) {
return this.each(function() {
new $.ui.mouseInteraction(this, o);
});
},
removeMouseInteraction: function(o) {
return this.each(function() {
if($.data(this, "ui-mouse"))
$.data(this, "ui-mouse").destroy();
});
},
remove: function() {
jQuery("*", this).add(this).trigger("remove");
return _remove.apply(this, arguments );
}
});
function num(el, prop) {
return parseInt($.curCSS(el.jquery?el[0]:el,prop,true))||0;
};
/********** Mouse Interaction Plugin *********/
$.ui.mouseInteraction = function(element, options) {
var self = this;
this.element = element;
$.data(this.element, "ui-mouse", this);
this.options = $.extend({}, options);
$(element).bind('mousedown.draggable', function() { return self.click.apply(self, arguments); });
if($.browser.msie) $(element).attr('unselectable', 'on'); //Prevent text selection in IE
// prevent draggable-options-delay bug #2553
$(element).mouseup(function() {
if(self.timer) clearInterval(self.timer);
});
};
$.extend($.ui.mouseInteraction.prototype, {
destroy: function() { $(this.element).unbind('mousedown.draggable'); },
trigger: function() { return this.click.apply(this, arguments); },
click: function(e) {
if(
e.which != 1 //only left click starts dragging
|| $.inArray(e.target.nodeName.toLowerCase(), this.options.dragPrevention || []) != -1 // Prevent execution on defined elements
|| (this.options.condition && !this.options.condition.apply(this.options.executor || this, [e, this.element])) //Prevent execution on condition
) return true;
var self = this;
var initialize = function() {
self._MP = { left: e.pageX, top: e.pageY }; // Store the click mouse position
$(document).bind('mouseup.draggable', function() { return self.stop.apply(self, arguments); });
$(document).bind('mousemove.draggable', function() { return self.drag.apply(self, arguments); });
if(!self.initalized && Math.abs(self._MP.left-e.pageX) >= self.options.distance || Math.abs(self._MP.top-e.pageY) >= self.options.distance) {
if(self.options.start) self.options.start.call(self.options.executor || self, e, self.element);
if(self.options.drag) self.options.drag.call(self.options.executor || self, e, this.element); //This is actually not correct, but expected
self.initialized = true;
}
};
if(this.options.delay) {
if(this.timer) clearInterval(this.timer);
this.timer = setTimeout(initialize, this.options.delay);
} else {
initialize();
}
return false;
},
stop: function(e) {
var o = this.options;
if(!this.initialized) return $(document).unbind('mouseup.draggable').unbind('mousemove.draggable');
if(this.options.stop) this.options.stop.call(this.options.executor || this, e, this.element);
$(document).unbind('mouseup.draggable').unbind('mousemove.draggable');
this.initialized = false;
return false;
},
drag: function(e) {
var o = this.options;
if ($.browser.msie && !e.button) return this.stop.apply(this, [e]); // IE mouseup check
if(!this.initialized && (Math.abs(this._MP.left-e.pageX) >= o.distance || Math.abs(this._MP.top-e.pageY) >= o.distance)) {
if(this.options.start) this.options.start.call(this.options.executor || this, e, this.element);
this.initialized = true;
} else {
if(!this.initialized) return false;
}
if(o.drag) o.drag.call(this.options.executor || this, e, this.element);
return false;
}
});
})(jQuery);
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