web/data/ui.core.js
author sylvain.thenault@logilab.fr
Wed, 29 Apr 2009 10:46:08 +0200
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child 5767 1d811df051c2
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/*
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 * jQuery UI @VERSION
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 *
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 * Copyright (c) 2008 Paul Bakaus (ui.jquery.com)
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 * Dual licensed under the MIT (MIT-LICENSE.txt)
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 * and GPL (GPL-LICENSE.txt) licenses.
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 *
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 * http://docs.jquery.com/UI
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 */
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;(function($) {
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/** jQuery core modifications and additions **/
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var _remove = $.fn.remove;
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$.fn.remove = function() {
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	$("*", this).add(this).triggerHandler("remove");
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	return _remove.apply(this, arguments );
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};
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function isVisible(element) {
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	function checkStyles(element) {
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		var style = element.style;
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		return (style.display != 'none' && style.visibility != 'hidden');
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	}
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	var visible = checkStyles(element);
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	(visible && $.each($.dir(element, 'parentNode'), function() {
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		return (visible = checkStyles(this));
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	}));
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	return visible;
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}
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$.extend($.expr[':'], {
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	data: function(a, i, m) {
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		return $.data(a, m[3]);
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	},
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	// TODO: add support for object, area
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	tabbable: function(a, i, m) {
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		var nodeName = a.nodeName.toLowerCase();
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		return (
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			// in tab order
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			a.tabIndex >= 0 &&
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			( // filter node types that participate in the tab order
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				// anchor tag
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				('a' == nodeName && a.href) ||
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				// enabled form element
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				(/input|select|textarea|button/.test(nodeName) &&
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					'hidden' != a.type && !a.disabled)
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			) &&
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			// visible on page
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			isVisible(a)
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		);
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	}
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});
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$.keyCode = {
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	BACKSPACE: 8,
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	CAPS_LOCK: 20,
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	COMMA: 188,
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	CONTROL: 17,
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	DELETE: 46,
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	DOWN: 40,
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	END: 35,
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	ENTER: 13,
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	ESCAPE: 27,
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	HOME: 36,
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	INSERT: 45,
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	LEFT: 37,
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	NUMPAD_ADD: 107,
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	NUMPAD_DECIMAL: 110,
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	NUMPAD_DIVIDE: 111,
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	NUMPAD_ENTER: 108,
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	NUMPAD_MULTIPLY: 106,
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	NUMPAD_SUBTRACT: 109,
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	PAGE_DOWN: 34,
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	PAGE_UP: 33,
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	PERIOD: 190,
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	RIGHT: 39,
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	SHIFT: 16,
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	SPACE: 32,
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	TAB: 9,
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	UP: 38
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};
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// $.widget is a factory to create jQuery plugins
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// taking some boilerplate code out of the plugin code
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// created by Scott González and Jörn Zaefferer
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function getter(namespace, plugin, method, args) {
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	function getMethods(type) {
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		var methods = $[namespace][plugin][type] || [];
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		return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);
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	}
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	var methods = getMethods('getter');
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	if (args.length == 1 && typeof args[0] == 'string') {
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		methods = methods.concat(getMethods('getterSetter'));
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	}
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	return ($.inArray(method, methods) != -1);
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}
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$.widget = function(name, prototype) {
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	var namespace = name.split(".")[0];
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	name = name.split(".")[1];
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	// create plugin method
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	$.fn[name] = function(options) {
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		var isMethodCall = (typeof options == 'string'),
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			args = Array.prototype.slice.call(arguments, 1);
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		// prevent calls to internal methods
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		if (isMethodCall && options.substring(0, 1) == '_') {
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			return this;
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		}
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		// handle getter methods
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		if (isMethodCall && getter(namespace, name, options, args)) {
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			var instance = $.data(this[0], name);
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			return (instance ? instance[options].apply(instance, args)
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				: undefined);
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		}
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		// handle initialization and non-getter methods
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		return this.each(function() {
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			var instance = $.data(this, name);
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			// constructor
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			(!instance && !isMethodCall &&
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				$.data(this, name, new $[namespace][name](this, options)));
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			// method call
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			(instance && isMethodCall && $.isFunction(instance[options]) &&
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				instance[options].apply(instance, args));
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		});
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	};
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	// create widget constructor
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	$[namespace][name] = function(element, options) {
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		var self = this;
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		this.widgetName = name;
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		this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
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		this.widgetBaseClass = namespace + '-' + name;
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		this.options = $.extend({},
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			$.widget.defaults,
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			$[namespace][name].defaults,
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			$.metadata && $.metadata.get(element)[name],
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			options);
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		this.element = $(element)
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			.bind('setData.' + name, function(e, key, value) {
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				return self._setData(key, value);
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			})
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			.bind('getData.' + name, function(e, key) {
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				return self._getData(key);
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			})
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			.bind('remove', function() {
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				return self.destroy();
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			});
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		this._init();
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	};
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	// add widget prototype
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	$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
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	// TODO: merge getter and getterSetter properties from widget prototype
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	// and plugin prototype
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	$[namespace][name].getterSetter = 'option';
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};
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$.widget.prototype = {
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	_init: function() {},
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	destroy: function() {
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		this.element.removeData(this.widgetName);
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	},
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	option: function(key, value) {
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		var options = key,
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			self = this;
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		if (typeof key == "string") {
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			if (value === undefined) {
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				return this._getData(key);
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			}
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			options = {};
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			options[key] = value;
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		}
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		$.each(options, function(key, value) {
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			self._setData(key, value);
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		});
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	},
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	_getData: function(key) {
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		return this.options[key];
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	},
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	_setData: function(key, value) {
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		this.options[key] = value;
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		if (key == 'disabled') {
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			this.element[value ? 'addClass' : 'removeClass'](
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				this.widgetBaseClass + '-disabled');
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		}
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	},
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	enable: function() {
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		this._setData('disabled', false);
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	},
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	disable: function() {
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		this._setData('disabled', true);
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	},
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	_trigger: function(type, e, data) {
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		var eventName = (type == this.widgetEventPrefix
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			? type : this.widgetEventPrefix + type);
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		e = e  || $.event.fix({ type: eventName, target: this.element[0] });
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		return this.element.triggerHandler(eventName, [e, data], this.options[type]);
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	}
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};
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$.widget.defaults = {
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	disabled: false
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};
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/** jQuery UI core **/
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$.ui = {
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	plugin: {
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		add: function(module, option, set) {
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			var proto = $.ui[module].prototype;
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			for(var i in set) {
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				proto.plugins[i] = proto.plugins[i] || [];
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				proto.plugins[i].push([option, set[i]]);
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			}
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		},
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		call: function(instance, name, args) {
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			var set = instance.plugins[name];
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			if(!set) { return; }
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			for (var i = 0; i < set.length; i++) {
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				if (instance.options[set[i][0]]) {
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					set[i][1].apply(instance.element, args);
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				}
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			}
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		}	
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	},
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	cssCache: {},
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	css: function(name) {
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		if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; }
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		var tmp = $('<div class="ui-gen">').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body');
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		//if (!$.browser.safari)
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			//tmp.appendTo('body'); 
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		//Opera and Safari set width and height to 0px instead of auto
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		//Safari returns rgba(0,0,0,0) when bgcolor is not set
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		$.ui.cssCache[name] = !!(
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			(!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) || 
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			!(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor')))
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		);
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		try { $('body').get(0).removeChild(tmp.get(0));	} catch(e){}
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		return $.ui.cssCache[name];
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	},
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	disableSelection: function(el) {
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		$(el)
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			.attr('unselectable', 'on')
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			.css('MozUserSelect', 'none')
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			.bind('selectstart.ui', function() { return false; });
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	},
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	enableSelection: function(el) {
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		$(el)
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			.attr('unselectable', 'off')
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			.css('MozUserSelect', '')
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			.unbind('selectstart.ui');
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	},
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	hasScroll: function(e, a) {
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		var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',
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			has = false;
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		if (e[scroll] > 0) { return true; }
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		// TODO: determine which cases actually cause this to happen
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		// if the element doesn't have the scroll set, see if it's possible to
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		// set the scroll
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		e[scroll] = 1;
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		has = (e[scroll] > 0);
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		e[scroll] = 0;
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		return has;
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	}
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};
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/** Mouse Interaction Plugin **/
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$.ui.mouse = {
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	_mouseInit: function() {
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		var self = this;
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		this.element.bind('mousedown.'+this.widgetName, function(e) {
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			return self._mouseDown(e);
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		});
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		// Prevent text selection in IE
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		if ($.browser.msie) {
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			this._mouseUnselectable = this.element.attr('unselectable');
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			this.element.attr('unselectable', 'on');
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		}
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		this.started = false;
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	},
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	// TODO: make sure destroying one instance of mouse doesn't mess with
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	// other instances of mouse
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	_mouseDestroy: function() {
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		this.element.unbind('.'+this.widgetName);
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		// Restore text selection in IE
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		($.browser.msie
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			&& this.element.attr('unselectable', this._mouseUnselectable));
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	},
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	_mouseDown: function(e) {
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		// we may have missed mouseup (out of window)
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		(this._mouseStarted && this._mouseUp(e));
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		this._mouseDownEvent = e;
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		var self = this,
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			btnIsLeft = (e.which == 1),
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			elIsCancel = (typeof this.options.cancel == "string" ? $(e.target).parents().add(e.target).filter(this.options.cancel).length : false);
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		if (!btnIsLeft || elIsCancel || !this._mouseCapture(e)) {
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			return true;
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		}
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		this.mouseDelayMet = !this.options.delay;
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		if (!this.mouseDelayMet) {
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			this._mouseDelayTimer = setTimeout(function() {
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				self.mouseDelayMet = true;
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			}, this.options.delay);
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		}
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		if (this._mouseDistanceMet(e) && this._mouseDelayMet(e)) {
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			this._mouseStarted = (this._mouseStart(e) !== false);
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			if (!this._mouseStarted) {
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				e.preventDefault();
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				return true;
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			}
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		}
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		// these delegates are required to keep context
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Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   360
		this._mouseMoveDelegate = function(e) {
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   361
			return self._mouseMove(e);
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   362
		};
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   363
		this._mouseUpDelegate = function(e) {
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   364
			return self._mouseUp(e);
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   365
		};
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   366
		$(document)
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   367
			.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   368
			.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
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parents:
diff changeset
   369
		
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
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parents:
diff changeset
   370
		return false;
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
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parents:
diff changeset
   371
	},
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   372
	
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
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parents:
diff changeset
   373
	_mouseMove: function(e) {
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   374
		// IE mouseup check - mouseup happened when mouse was out of window
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   375
		if ($.browser.msie && !e.button) {
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   376
			return this._mouseUp(e);
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   377
		}
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   378
		
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   379
		if (this._mouseStarted) {
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   380
			this._mouseDrag(e);
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   381
			return false;
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   382
		}
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   383
		
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   384
		if (this._mouseDistanceMet(e) && this._mouseDelayMet(e)) {
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   385
			this._mouseStarted =
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   386
				(this._mouseStart(this._mouseDownEvent, e) !== false);
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   387
			(this._mouseStarted ? this._mouseDrag(e) : this._mouseUp(e));
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   388
		}
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   389
		
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   390
		return !this._mouseStarted;
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   391
	},
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   392
	
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   393
	_mouseUp: function(e) {
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   394
		$(document)
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   395
			.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   396
			.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   397
		
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   398
		if (this._mouseStarted) {
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   399
			this._mouseStarted = false;
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   400
			this._mouseStop(e);
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   401
		}
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   402
		
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   403
		return false;
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   404
	},
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   405
	
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   406
	_mouseDistanceMet: function(e) {
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   407
		return (Math.max(
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   408
				Math.abs(this._mouseDownEvent.pageX - e.pageX),
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   409
				Math.abs(this._mouseDownEvent.pageY - e.pageY)
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   410
			) >= this.options.distance
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   411
		);
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   412
	},
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   413
	
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   414
	_mouseDelayMet: function(e) {
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   415
		return this.mouseDelayMet;
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   416
	},
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   417
	
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   418
	// These are placeholder methods, to be overriden by extending plugin
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   419
	_mouseStart: function(e) {},
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   420
	_mouseDrag: function(e) {},
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   421
	_mouseStop: function(e) {},
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   422
	_mouseCapture: function(e) { return true; }
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   423
};
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   424
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   425
$.ui.mouse.defaults = {
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   426
	cancel: null,
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   427
	distance: 1,
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   428
	delay: 0
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   429
};
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   430
6842c3dee34b adding files (formely appearing in jpl) specific to cubicweb
Laure Bourgois <Laure.Bourgois@logilab.fr>
parents:
diff changeset
   431
})(jQuery);