pdfcrowd split table

pdfcrowd.js

var pdfcrowd = {
    splitTable: function(tableClass, printableHeight, breakClass) {
        var tables = $("." + tableClass);
        for(var i=0; i<tables.length; ++i) {
            var splitIndices = [0];
            var table = $(tables[i]);
            var thead = table.children("thead");
            var rows = table.children("tbody").children();
            
            var tableTop = table.offset().top;
            
            // find the preceding page break (if any)
            var precedingPageBreakTop = 0;
            var pageBreaks = $("." + breakClass);
            for (var j=pageBreaks.length-1; j>=0; --j) {
                var pageBreakTop = $(pageBreaks[j]).offset().top;
                if (pageBreakTop < tableTop) {
                    precedingPageBreakTop = pageBreakTop;
                    break;
                }
            }
            
            var currHeight = (tableTop - precedingPageBreakTop) % printableHeight;
            rows.each(function(i, row) {
                currHeight += $(rows[i]).outerHeight();
                if (currHeight > printableHeight) {
                    splitIndices.push(i);
                    currHeight = $(rows[i]).outerHeight();
                }
            });
            
            splitIndices.push(undefined);
            
            // replaceWith returns the table
            var wrapper = $('<div></div>');
            table  = table.replaceWith(wrapper);
            table.empty();
            
            for (var j=0; j<splitIndices.length-1; ++j) {
                var newTable = table.clone();
                // When a header exists, append to first table
                if ( i == 0 && j == 0 && thead.length != 0 ){
                    $("<thead>" + thead.html() + "</thead>").appendTo(newTable);
                }
                $("<tbody />").appendTo(newTable);
                rows.slice(splitIndices[j], splitIndices[j+1])
                    .appendTo(newTable.children('tbody'));
                newTable.appendTo(wrapper);
                if (splitIndices[j+1] !== undefined) {
                    $('<div class="' + breakClass + '"></div>').appendTo(wrapper);
                }
            }
        }
    }
};