/*
    This file is part of JonDesign's SmoothGallery v2.1beta1.

    JonDesign's SmoothGallery is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    JonDesign's SmoothGallery is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with JonDesign's SmoothGallery; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

    Main Developer: Jonathan Schemoul (JonDesign: http://www.jondesign.net/)
*/

gallery.Transitions.extend({
    fadeslideleft: function(oldFx, newFx, oldPos, newPos){
        oldFx.options.transition = newFx.options.transition = Fx.Transitions.Cubic.easeOut;
        oldFx.options.duration = newFx.options.duration = 1500;
        if (newPos > oldPos)
        {
            newFx.start({
                left: [this.galleryElement.offsetWidth, 0],
                opacity: 1
            });
            oldFx.start({opacity: [1,0]});
        } else {
            newFx.start({opacity: [0,1]});
            oldFx.start({
                left: [0, this.galleryElement.offsetWidth],
                opacity: 0
            }).chain(function(fx){fx.set({left: 0});}.pass(oldFx));
        }
    },
    continuoushorizontal: function(oldFx, newFx, oldPos, newPos){
        oldFx.options.transition = newFx.options.transition = Fx.Transitions.linear;
        if (
            ((newPos > oldPos) || ((newPos==0) && (oldPos == (this.maxIter-1) ))) &&
            (!((newPos == (this.maxIter-1 )) && (oldPos == 0)))
        ) {
            oldFx.set({opacity: 1});
            oldFx.start({
                left: [0, this.galleryElement.offsetWidth * -1]
            });
            newFx.set({opacity: 1, left: this.galleryElement.offsetWidth});
            newFx.start({
                left: [this.galleryElement.offsetWidth, 0]
            });
        } else  {
            oldFx.set({opacity: 1});
            oldFx.start({
                left: [0, this.galleryElement.offsetWidth]
            });
            newFx.set({opacity: 1, left: this.galleryElement.offsetWidth * -1});
            newFx.start({
                left: [this.galleryElement.offsetWidth * -1, 0]
            });
        }
    },
    continuousvertical: function(oldFx, newFx, oldPos, newPos){
        oldFx.options.transition = newFx.options.transition = Fx.Transitions.linear;
        if (
            ((newPos > oldPos) || ((newPos==0) && (oldPos == (this.maxIter-1) ))) &&
            (!((newPos == (this.maxIter-1 )) && (oldPos == 0)))
        ) {
            oldFx.set({opacity: 1});
            oldFx.start({
                top: [0, this.galleryElement.offsetHeight * -1]
            });
            newFx.set({opacity: 1, top: this.galleryElement.offsetHeight});
            newFx.start({
                top: [this.galleryElement.offsetHeight, 0]
            });
        } else  {
            oldFx.set({opacity: 1});
            oldFx.start({
                top: [0, this.galleryElement.offsetHeight]
            });
            newFx.set({opacity: 1, top: this.galleryElement.offsetHeight * -1});
            newFx.start({
                top: [this.galleryElement.offsetHeight * -1, 0]
            });
        }
    }
});