alpaca/dist/lib/datatables.net-plugins/pagination/extjs.js

Alpaca provides the easiest and fastest way to generate interactive forms for the web and mobile devices. It runs simply as HTML5 or more elaborately using Bootstrap, jQuery Mobile or jQuery UI. Alpaca uses Handlebars to process JSON schema and provide

/**
 * This pagination plug-in provides pagination controls for DataTables which
 * match the style and interaction of the ExtJS library's grid component.
 *
 *  @name ExtJS style
 *  @summary Pagination in the styling of ExtJS
 *  @author [Zach Curtis](http://zachariahtimothy.wordpress.com/)
 *
 *  @example
 *    $(document).ready(function() {
 *        $('#example').dataTable( {
 *            "sPaginationType": "extStyle"
 *        } );
 *    } );
 */

$.fn.dataTableExt.oApi.fnExtStylePagingInfo = function ( oSettings )
{
	return {
		"iStart":         oSettings._iDisplayStart,
		"iEnd":           oSettings.fnDisplayEnd(),
		"iLength":        oSettings._iDisplayLength,
		"iTotal":         oSettings.fnRecordsTotal(),
		"iFilteredTotal": oSettings.fnRecordsDisplay(),
		"iPage":          oSettings._iDisplayLength === -1 ?
			0 : Math.ceil( oSettings._iDisplayStart / oSettings._iDisplayLength ),
		"iTotalPages":    oSettings._iDisplayLength === -1 ?
			0 : Math.ceil( oSettings.fnRecordsDisplay() / oSettings._iDisplayLength )
	};
};

$.fn.dataTableExt.oPagination.extStyle = {
    

    "fnInit": function (oSettings, nPaging, fnCallbackDraw) {
        
        var oPaging = oSettings.oInstance.fnExtStylePagingInfo();

        nFirst = $('<span/>', { 'class': 'paginate_button first' , text : "<<" });
        nPrevious = $('<span/>', { 'class': 'paginate_button previous' , text : "<" });
        nNext = $('<span/>', { 'class': 'paginate_button next' , text : ">" });
        nLast = $('<span/>', { 'class': 'paginate_button last' , text : ">>" });
        nPageTxt = $("<span />", { text: 'Page' });
        nPageNumBox = $('<input />', { type: 'text', val: 1, 'class': 'pageinate_input_box' });
        nPageOf = $('<span />', { text: '/' });
        nTotalPages = $('<span />', { class :  "paginate_total" , text : oPaging.iTotalPages });

        
        $(nPaging)
            .append(nFirst)
            .append(nPrevious)
            .append(nPageTxt)
            .append(nPageNumBox)
            .append(nPageOf)
            .append(nTotalPages)
            .append(nNext)
            .append(nLast);
  
        nFirst.click(function () {
            if( $(this).hasClass("disabled") )
                return;
            oSettings.oApi._fnPageChange(oSettings, "first");
            fnCallbackDraw(oSettings);
        }).bind('selectstart', function () { return false; });
  
        nPrevious.click(function () {
            if( $(this).hasClass("disabled") )
                return;
            oSettings.oApi._fnPageChange(oSettings, "previous");
            fnCallbackDraw(oSettings);
        }).bind('selectstart', function () { return false; });
  
        nNext.click(function () {
            if( $(this).hasClass("disabled") )
                return;
            oSettings.oApi._fnPageChange(oSettings, "next");
            fnCallbackDraw(oSettings);
        }).bind('selectstart', function () { return false; });
  
        nLast.click(function () {
            if( $(this).hasClass("disabled") )
                return;
            oSettings.oApi._fnPageChange(oSettings, "last");
            fnCallbackDraw(oSettings);
        }).bind('selectstart', function () { return false; });
  
        nPageNumBox.change(function () {
            var pageValue = parseInt($(this).val(), 10) - 1 ; // -1 because pages are 0 indexed, but the UI is 1
            var oPaging = oSettings.oInstance.fnPagingInfo();
            
            if(pageValue === NaN || pageValue<0 ){
                pageValue = 0;
            }else if(pageValue >= oPaging.iTotalPages ){
                pageValue = oPaging.iTotalPages -1;
            }
            oSettings.oApi._fnPageChange(oSettings, pageValue);
            fnCallbackDraw(oSettings);
        });
  
    },
  
  
    "fnUpdate": function (oSettings, fnCallbackDraw) {
        if (!oSettings.aanFeatures.p) {
            return;
        }
        
        var oPaging = oSettings.oInstance.fnExtStylePagingInfo();
  
        /* Loop over each instance of the pager */
        var an = oSettings.aanFeatures.p;

        $(an).find('span.paginate_total').html(oPaging.iTotalPages);
        $(an).find('.pageinate_input_box').val(oPaging.iPage+1);
                
        $(an).each(function(index,item) {

            var $item = $(item);
           
            if (oPaging.iPage == 0) {
                var prev = $item.find('span.paginate_button.first').add($item.find('span.paginate_button.previous'));
                prev.addClass("disabled");
            }else {
                var prev = $item.find('span.paginate_button.first').add($item.find('span.paginate_button.previous'));
                prev.removeClass("disabled");
            }
  
            if (oPaging.iPage+1 == oPaging.iTotalPages) {
                var next = $item.find('span.paginate_button.last').add($item.find('span.paginate_button.next'));
                next.addClass("disabled");
            }else {
                var next = $item.find('span.paginate_button.last').add($item.find('span.paginate_button.next'));
                next.removeClass("disabled");
            }
        });
    }
};