File Manager - sh-3ll

Current Directory: /home/astoriaah/www/old15/modules/mod_zentools/media/js/pagination
Viewing File: /home/astoriaah/www/old15/modules/mod_zentools/media/js/pagination/jPages.js
/**
 * jQuery jPages v0.6
 * Client side pagination with jQuery
 * http://luis-almeida.github.com/jPages
 *
 * Licensed under the MIT license.
 * Copyright 2012 Luís Almeida
 * https://github.com/luis-almeida
 */

;(function ( $, window, document, undefined ) {

    var name = "jPages",
        instance = null,
        defaults = {
            containerID  : "",
            first        : false,
            previous     : "\u2190 previous",
            next         : "next \u2192;",
            last         : false,
            links        : "numeric", // blank || title
            startPage    : 1,
            perPage      : 10,
            midRange     : 5,
            startRange   : 1,
            endRange     : 1,
            keyBrowse    : false,
            scrollBrowse : false,
            pause        : 0,
            clickStop    : false,
            delay        : 50,
            direction    : "forward", // backwards || auto || random ||
            animation    : "", // http://daneden.me/animate/ - any entrance animations
            fallback     : 400,
           // minHeight    : false,
            callback     : undefined // function( pages, items ) { }
        };


    function Plugin( element, options ) {
        this.options = $.extend( {}, defaults, options );

        this._container = $( "#" + this.options.containerID );
        if ( !this._container.length ) {
            return;
        }

        this.jQwindow = $(window);
        this.jQdocument = $(document);

        this._holder = $( element );
        this._nav = {};

        this._first = $( this.options.first );
        this._previous = $( this.options.previous );
        this._next = $( this.options.next );
        this._last = $( this.options.last );

        /* only visible items! */
        this._items = this._container.children(":visible");
        this._itemsShowing = $([]);
        this._itemsHiding = $([]);

        this._numPages = Math.ceil( this._items.length / this.options.perPage );
        this._currentPageNum = this.options.startPage;

        this._clicked = false;
        this._cssAnimSupport = this.getCSSAnimationSupport();

        this.init();

    }

    Plugin.prototype.getCSSAnimationSupport = function () {
        var animation = false,
            animationstring = 'animation',
            keyframeprefix = '',
            domPrefixes = 'Webkit Moz O ms Khtml'.split(' '),
            pfx  = '',
            elm = this._container.get(0);

        if( elm.style.animationName ) { animation = true; }

        if( animation === false ) {
            for( var i = 0; i < domPrefixes.length; i++ ) {
                if( elm.style[ domPrefixes[i] + 'AnimationName' ] !== undefined ) {
                    pfx = domPrefixes[ i ];
                    animationstring = pfx + 'Animation';
                    keyframeprefix = '-' + pfx.toLowerCase() + '-';
                    animation = true;
                    break;
                }
            }
        }

        return animation;
    };

    Plugin.prototype.init = function () {
        this.setStyles();
        this.setNav();
        this.paginate( this._currentPageNum );
        this.setMinHeight();
    };

    Plugin.prototype.setStyles = function () {

        var requiredStyles = "<style>" +
        ".jp-invisible { visibility: hidden !important; } " +
        ".jp-hidden { display: none !important; }" +
        "</style>";

        $( requiredStyles ).appendTo("head");

        if ( this._cssAnimSupport && this.options.animation.length ) {
            this._items.addClass("animated jp-hidden");
        } else {
            this._items.hide();
        }

    };

    Plugin.prototype.setNav = function () {
        var navhtml = this.writeNav();

        this._holder.each( this.bind( function( index, element ) {
            var holder = $( element );
            holder.html( navhtml );
            this.cacheNavElements( holder, index );
            this.bindNavHandlers( index );
            this.disableNavSelection( element );
        }, this) );

        if ( this.options.keyBrowse ) this.bindNavKeyBrowse();
        if ( this.options.scrollBrowse ) this.bindNavScrollBrowse();
    };

    Plugin.prototype.writeNav = function () {
        var i = 1, navhtml;

        navhtml = this.writeBtn( "first" ) + this.writeBtn( "previous" );

        for ( ; i <= this._numPages; i++ ) {

            if ( i === 1 && this.options.startRange === 0 ) {
                navhtml += "<span>...</span>";
            }

            if ( i > this.options.startRange && i <= this._numPages - this.options.endRange ) {
                navhtml += "<a href='#' class='jp-hidden'>";
            } else {
                navhtml += "<a>";
            }

            switch ( this.options.links ) {
                case "numeric" :
                    navhtml += i;
                    break;
                case "blank" :
                    break;
                case "title" :
                    var title = this._items.eq(i-1).attr("data-title");
                    navhtml += title !== undefined ? title : "";
                    break;
            }

            navhtml += "</a>";

            if ( i === this.options.startRange || i === this._numPages - this.options.endRange ) {
                navhtml += "<span>...</span>";
            }
        }

        navhtml += this.writeBtn( "next" ) + this.writeBtn( "last" ) + "</div>";

        return navhtml;
    };

    Plugin.prototype.writeBtn = function ( which ) {

        return this.options[which] !== false && !$( this[ "_" + which ] ).length ?
            "<a class='jp-" + which + "'>" + this.options[which] + "</a>" : "";

    };

    Plugin.prototype.cacheNavElements = function ( holder, index ) {
        this._nav[index] = {};

        this._nav[index].holder = holder;

        this._nav[index].first = this._first.length ? this._first : this._nav[index].holder.find("a.jp-first");
        this._nav[index].previous = this._previous.length ? this._previous : this._nav[index].holder.find("a.jp-previous");
        this._nav[index].next = this._next.length ? this._next : this._nav[index].holder.find("a.jp-next");
        this._nav[index].last = this._last.length ? this._last : this._nav[index].holder.find("a.jp-last");

        this._nav[index].fstBreak = this._nav[index].holder.find("span:first");
        this._nav[index].lstBreak = this._nav[index].holder.find("span:last");

        this._nav[index].pages = this._nav[index].holder.find("a").not(".jp-first, .jp-previous, .jp-next, .jp-last");
        this._nav[index].permPages = this._nav[index].pages.slice(0, this.options.startRange)
            .add( this._nav[index].pages.slice(this._numPages - this.options.endRange, this._numPages) );
        this._nav[index].pagesShowing = $([]);
        this._nav[index].currentPage = $([]);
    };

    Plugin.prototype.bindNavHandlers = function ( index ) {
        var nav = this._nav[index];

        // default nav
        nav.holder.bind( "click.jPages", this.bind( function( evt ) {
            var newPage = this.getNewPage( nav, $(evt.target) );
            if ( this.validNewPage( newPage ) ) {
                this._clicked = true;
                this.paginate( newPage );
            }
            evt.preventDefault();
        }, this ) );

        // custom first
        if ( this._first.length ) {
            this._first.bind( "click.jPages", this.bind( function() {
                if ( this.validNewPage( 1 ) ) {
                    this._clicked = true;
                    this.paginate( 1 );
                }
            }, this ) );
        }

        // custom previous
        if ( this._previous.length ) {
            this._previous.bind( "click.jPages", this.bind( function() {
                var newPage = this._currentPageNum - 1;
                if ( this.validNewPage( newPage ) ) {
                    this._clicked = true;
                    this.paginate( newPage );
                }
            }, this ) );
        }

        // custom next
        if ( this._next.length ) {
            this._next.bind( "click.jPages", this.bind( function() {
                var newPage = this._currentPageNum + 1;
                if ( this.validNewPage( newPage ) ) {
                    this._clicked = true;
                    this.paginate( newPage );
                }
            }, this ) );
        }

        // custom last
        if ( this._last.length ) {
            this._last.bind( "click.jPages", this.bind( function() {
                if ( this.validNewPage( this._numPages ) ) {
                    this._clicked = true;
                    this.paginate( this._numPages );
                }
            }, this ) );
        }

    };

    Plugin.prototype.disableNavSelection = function ( element ) {
        if ( typeof element.onselectstart != "undefined" ) {
            element.onselectstart = function() {
                return false;
            };
        } else if (typeof element.style.MozUserSelect != "undefined") {
            element.style.MozUserSelect = "none";
        } else {
            element.onmousedown = function() {
                return false;
            };
        }
    };

    Plugin.prototype.bindNavKeyBrowse = function () {
        this.jQdocument.bind( "keydown.jPages", this.bind( function( evt ) {
            var target = evt.target.nodeName.toLowerCase();
            if ( this.elemScrolledIntoView() && target !== "input" && target != "textarea" ) {
                var newPage = this._currentPageNum;

                if ( evt.which == 37 ) newPage = this._currentPageNum - 1;
                if ( evt.which == 39 ) newPage = this._currentPageNum + 1;

                if ( this.validNewPage( newPage ) ) {
                    this._clicked = true;
                    this.paginate( newPage );
                }
            }
        }, this ) );
    };

    Plugin.prototype.elemScrolledIntoView = function () {
        var docViewTop, docViewBottom, elemTop, elemBottom;

        docViewTop = this.jQwindow.scrollTop();
        docViewBottom = docViewTop + this.jQwindow.height();

        elemTop = this._container.offset().top;
        elemBottom = elemTop + this._container.height();

        return ((elemBottom >= docViewTop) && (elemTop <= docViewBottom));

        // comment above and uncomment below if you want keyBrowse to happen
        // only when container is completely visible in the page

        /*return ((elemBottom >= docViewTop) && (elemTop <= docViewBottom) &&
            (elemBottom <= docViewBottom) &&  (elemTop >= docViewTop) );*/
    };

    Plugin.prototype.bindNavScrollBrowse = function () {

        this._container.bind( "mousewheel.jPages DOMMouseScroll.jPages", this.bind(function( evt ) {
            var newPage = ( evt.originalEvent.wheelDelta || -evt.originalEvent.detail ) > 0 ?
                ( this._currentPageNum - 1 ) : ( this._currentPageNum + 1 );

            if ( this.validNewPage( newPage ) ) {
                this._clicked = true;
                this.paginate( newPage );
            }

            evt.preventDefault();
            return false;

        }, this) );

    };

    Plugin.prototype.getNewPage = function ( nav, target ) {

        if ( target.is( nav.currentPage ) ) return this._currentPageNum;
        if ( target.is( nav.pages ) ) return nav.pages.index(target) + 1;
        if ( target.is( nav.first ) ) return 1;
        if ( target.is( nav.last ) ) return this._numPages;
        if ( target.is( nav.previous ) ) return nav.pages.index(nav.currentPage);
        if ( target.is( nav.next ) ) return nav.pages.index(nav.currentPage) + 2;

    };

    Plugin.prototype.validNewPage = function ( newPage ) {
        return newPage !== this._currentPageNum && newPage > 0 && newPage <= this._numPages ?
            true : false;
    };

    Plugin.prototype.paginate = function ( page ) {
        var itemRange, pageInterval;

        itemRange = this.updateItems( page );
        pageInterval = this.updatePages( page );

        this._currentPageNum = page;

        if ( $.isFunction( this.options.callback ) ) {
            this.callback( page, itemRange, pageInterval );
        }

        this.updatePause();
    };

    Plugin.prototype.updateItems = function ( page ) {
        var range = this.getItemRange( page );

        this._itemsHiding = this._itemsShowing;
        this._itemsShowing = this._items.slice(range.start, range.end);

        if ( this._cssAnimSupport && this.options.animation.length ) {
            this.cssAnimations( page );
        } else {
            this.jQAnimations( page );
        }

        return range;
    };

    Plugin.prototype.getItemRange = function ( page ) {
        var range = {};

        range.start = ( page - 1 ) * this.options.perPage;
        range.end = range.start + this.options.perPage;

        if ( range.end > this._items.length ) {
            range.end = this._items.length;
        }

        return range;
    };

    Plugin.prototype.cssAnimations = function ( page ) {
        clearInterval( this._delay );

        this._itemsHiding
            .removeClass( this.options.animation + " jp-invisible" )
            .addClass("jp-hidden");

        this._itemsShowing
            .removeClass("jp-hidden")
            .addClass("jp-invisible");

        this._itemsOriented = this.getDirectedItems( page );
        this._index = 0;

        this._delay = setInterval( this.bind( function() {

            if ( this._index === this._itemsOriented.length ) {
                clearInterval( this._delay );
            } else {
                this._itemsOriented
                    .eq(this._index)
                    .removeClass("jp-invisible")
                    .addClass(this.options.animation);
            }

            this._index = this._index + 1;

        }, this ), this.options.delay );
    };


    Plugin.prototype.jQAnimations = function ( page ) {
        clearInterval( this._delay );

        this._itemsHiding.addClass("jp-hidden");
        this._itemsShowing.fadeTo(0, 0).removeClass("jp-hidden");

        this._itemsOriented = this.getDirectedItems( page );
        this._index = 0;

        this._delay = setInterval( this.bind( function() {

            if ( this._index === this._itemsOriented.length ) {
                clearInterval( this._delay );
            } else {
                this._itemsOriented
                    .eq(this._index)
                    .fadeTo(this.options.fallback, 1);
            }

            this._index = this._index + 1;

        }, this ), this.options.delay );
    };

    Plugin.prototype.getDirectedItems = function ( page ) {
        var itemsToShow;

        switch ( this.options.direction ) {
            case "backwards" :
                itemsToShow = $( this._itemsShowing.get().reverse() );
                break;
            case "random" :
                itemsToShow = $( this._itemsShowing.get().sort( function() {
                    return ( Math.round( Math.random() ) - 0.5 );
                } ) );
                break;
            case "auto" :
                itemsToShow = page >= this._currentPageNum ?
                    this._itemsShowing : $( this._itemsShowing.get().reverse() );
                break;
            default :
                itemsToShow = this._itemsShowing;
        }

        return itemsToShow;
    };

    Plugin.prototype.updatePages = function ( page ) {
        var interval, index, nav;

        interval = this.getInterval( page );

        for( index in this._nav ) {
            if ( this._nav.hasOwnProperty( index ) ) {
                nav = this._nav[index];
                this.updateBtns( nav, page );
                this.updateCurrentPage( nav, page );
                this.updatePagesShowing( nav, interval );
                this.updateBreaks( nav, interval );
            }
        }

        return interval;
    };

    Plugin.prototype.getInterval = function ( page ) {
        var neHalf, upperLimit, start, end;

        neHalf = Math.ceil( this.options.midRange / 2 );
        upperLimit = this._numPages - this.options.midRange;
        start = page > neHalf ? Math.max( Math.min( page - neHalf, upperLimit ), 0 ) : 0;
        end = page > neHalf ? Math.min( page + neHalf - ( this.options.midRange % 2 > 0 ? 1 : 0 ), this._numPages ) : Math.min( this.options.midRange, this._numPages );

        return { start: start, end: end };
    };

    Plugin.prototype.updateBtns = function ( nav, page ) {

        if ( page === 1 ) {
            nav.first.addClass("jp-disabled");
            nav.previous.addClass("jp-disabled");
        }

        if ( page === this._numPages ) {
            nav.next.addClass("jp-disabled");
            nav.last.addClass("jp-disabled");
        }

        if ( this._currentPageNum === 1 && page > 1 ) {
            nav.first.removeClass("jp-disabled");
            nav.previous.removeClass("jp-disabled");
        }

        if ( this._currentPageNum === this._numPages && page < this._numPages ) {
            nav.next.removeClass("jp-disabled");
            nav.last.removeClass("jp-disabled");
        }

    };

    Plugin.prototype.updateCurrentPage = function ( nav, page ) {

        nav.currentPage.removeClass("jp-current");
        nav.currentPage = nav.pages.eq( page - 1 ).addClass("jp-current");

    };

    Plugin.prototype.updatePagesShowing = function ( nav, interval ) {
        var newRange = nav.pages.slice( interval.start, interval.end ).not( nav.permPages );

        nav.pagesShowing.not( newRange ).addClass("jp-hidden");
        newRange.not( nav.pagesShowing ).removeClass("jp-hidden");

        nav.pagesShowing = newRange;

    };

    Plugin.prototype.updateBreaks = function ( nav, interval ) {

        if ( interval.start > this.options.startRange || ( this.options.startRange === 0 && interval.start > 0 ) ) {
            nav.fstBreak.removeClass("jp-hidden");
        } else {
            nav.fstBreak.addClass("jp-hidden");
        }

        if ( interval.end < this._numPages - this.options.endRange ) {
            nav.lstBreak.removeClass("jp-hidden");
        } else {
            nav.lstBreak.addClass("jp-hidden");
        }

    };

    Plugin.prototype.callback = function ( page, itemRange, pageInterval ) {
        var pages = {
            current  : page,
            interval : pageInterval,
            count    : this._numPages
        },
        items = {
            showing  : this._itemsShowing,
            oncoming : this._items.slice( itemRange.start + this.options.perPage, itemRange.end + this.options.perPage ),
            range    : itemRange,
            count    : this._items.length
        };

        pages.interval.start = pages.interval.start + 1;
        items.range.start = items.range.start + 1;

        this.options.callback( pages, items );
    };

    Plugin.prototype.updatePause = function () {
        if ( this.options.pause && this._numPages > 1) {
            clearTimeout( this._pause );
            if ( this.options.clickStop && this._clicked ) {
                return;
            } else {
                this._pause = setTimeout( this.bind( function() {
                    this.paginate( this._currentPageNum !== this._numPages ? this._currentPageNum + 1 : 1 );
                }, this ), this.options.pause );
            }
        }
    };

    Plugin.prototype.setMinHeight = function () {
        if ( this.options.minHeight && !this._container.is("table, tbody") ) {
            setTimeout( this.bind( function() {
                this._container.css({
                    "min-height" : this._container.css("height")
                });
            }, this ), 1000 );
        }
    };

    Plugin.prototype.bind = function ( fn, me ) {
        return function () {
            return fn.apply(me, arguments);
        };
    };

    Plugin.prototype.destroy = function () {
        this.jQdocument.unbind("keydown.jPages");
        this._container.unbind( "mousewheel.jPages DOMMouseScroll.jPages");

        if ( this.options.minHeight ) {
            this._container.css("min-height", "");
        }

        if ( this._cssAnimSupport && this.options.animation.length ) {
            this._items.removeClass("animated jp-hidden jp-invisible " + this.options.animation);
        } else {
            this._items.removeClass("jp-hidden").fadeTo(0, 1);
        }

        this._holder.unbind("click.jPages").empty();
    };



    $.fn[name] = function ( arg ) {
        var type = $.type( arg );

        if ( type === "object" ) {
            if ( this.length && !$.data( this, name ) ) {
                instance = new Plugin( this, arg );
                this.each( function() {
                    $.data( this, name, instance );
                } );
            }
            return this;
        }

        if ( type === "string" && arg === "destroy" ) {
            instance.destroy();
            this.each( function() {
                $.removeData( this, name );
            } );
            return this;
        }

        if ( type === 'number' && arg % 1 === 0 ) {
            if ( instance.validNewPage( arg ) ) {
                instance.paginate( arg );
            }
            return this;
        }

        return this;
    };

})( jQuery, window, document );