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<?php

/*!
 * jQuery UI Mouse 1.10.0
 * http://jqueryui.com
 *
 * Copyright 2013 jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/mouse/
 *
 * Depends:
 *    jquery.ui.widget.js
 */
(function( $, undefined ) {

var mouseHandled = false;
$( document ).mouseup( function() {
    mouseHandled = false;
});

$.widget("ui.mouse", {
    version: "1.10.0",
    options: {
        cancel: "input,textarea,button,select,option",
        distance: 1,
        delay: 0
    },
    _mouseInit: function() {
        var that = this;

        this.element
            .bind("mousedown."+this.widgetName, function(event) {
                return that._mouseDown(event);
            })
            .bind("click."+this.widgetName, function(event) {
                if (true === $.data(event.target, that.widgetName + ".preventClickEvent")) {
                    $.removeData(event.target, that.widgetName + ".preventClickEvent");
                    event.stopImmediatePropagation();
                    return false;
                }
            });

        this.started = false;
    },

    // TODO: make sure destroying one instance of mouse doesn't mess with
    // other instances of mouse
    _mouseDestroy: function() {
        this.element.unbind("."+this.widgetName);
        if ( this._mouseMoveDelegate ) {
            $(document)
                .unbind("mousemove."+this.widgetName, this._mouseMoveDelegate)
                .unbind("mouseup."+this.widgetName, this._mouseUpDelegate);
        }
    },

    _mouseDown: function(event) {
        // don't let more than one widget handle mouseStart
        if( mouseHandled ) { return; }

        // we may have missed mouseup (out of window)
        (this._mouseStarted && this._mouseUp(event));

        this._mouseDownEvent = event;

        var that = this,
            btnIsLeft = (event.which === 1),
            // event.target.nodeName works around a bug in IE 8 with
            // disabled inputs (#7620)
            elIsCancel = (typeof this.options.cancel === "string" && event.target.nodeName ? $(event.target).closest(this.options.cancel).length : false);
        if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
            return true;
        }

        this.mouseDelayMet = !this.options.delay;
        if (!this.mouseDelayMet) {
            this._mouseDelayTimer = setTimeout(function() {
                that.mouseDelayMet = true;
            }, this.options.delay);
        }

        if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
            this._mouseStarted = (this._mouseStart(event) !== false);
            if (!this._mouseStarted) {
                event.preventDefault();
                return true;
            }
        }

        // Click event may never have fired (Gecko & Opera)
        if (true === $.data(event.target, this.widgetName + ".preventClickEvent")) {
            $.removeData(event.target, this.widgetName + ".preventClickEvent");
        }

        // these delegates are required to keep context
        this._mouseMoveDelegate = function(event) {
            return that._mouseMove(event);
        };
        this._mouseUpDelegate = function(event) {
            return that._mouseUp(event);
        };
        $(document)
            .bind("mousemove."+this.widgetName, this._mouseMoveDelegate)
            .bind("mouseup."+this.widgetName, this._mouseUpDelegate);

        event.preventDefault();

        mouseHandled = true;
        return true;
    },

    _mouseMove: function(event) {
        // IE mouseup check - mouseup happened when mouse was out of window
        if ($.ui.ie && ( !document.documentMode || document.documentMode < 9 ) && !event.button) {
            return this._mouseUp(event);
        }

        if (this._mouseStarted) {
            this._mouseDrag(event);
            return event.preventDefault();
        }

        if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
            this._mouseStarted =
                (this._mouseStart(this._mouseDownEvent, event) !== false);
            (this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
        }

        return !this._mouseStarted;
    },

    _mouseUp: function(event) {
        $(document)
            .unbind("mousemove."+this.widgetName, this._mouseMoveDelegate)
            .unbind("mouseup."+this.widgetName, this._mouseUpDelegate);

        if (this._mouseStarted) {
            this._mouseStarted = false;

            if (event.target === this._mouseDownEvent.target) {
                $.data(event.target, this.widgetName + ".preventClickEvent", true);
            }

            this._mouseStop(event);
        }

        return false;
    },

    _mouseDistanceMet: function(event) {
        return (Math.max(
                Math.abs(this._mouseDownEvent.pageX - event.pageX),
                Math.abs(this._mouseDownEvent.pageY - event.pageY)
            ) >= this.options.distance
        );
    },

    _mouseDelayMet: function(/* event */) {
        return this.mouseDelayMet;
    },

    // These are placeholder methods, to be overriden by extending plugin
    _mouseStart: function(/* event */) {},
    _mouseDrag: function(/* event */) {},
    _mouseStop: function(/* event */) {},
    _mouseCapture: function(/* event */) { return true; }
});

})(jQuery);

?>