--- /dev/null
+/*
+ * Variable: oPagination
+ * Purpose:
+ * Scope: jQuery.fn.dataTableExt
+ */
+$.extend( DataTable.ext.oPagination, {
+ /*
+ * Variable: two_button
+ * Purpose: Standard two button (forward/back) pagination
+ * Scope: jQuery.fn.dataTableExt.oPagination
+ */
+ "two_button": {
+ /*
+ * Function: oPagination.two_button.fnInit
+ * Purpose: Initialise dom elements required for pagination with forward/back buttons only
+ * Returns: -
+ * Inputs: object:oSettings - dataTables settings object
+ * node:nPaging - the DIV which contains this pagination control
+ * function:fnCallbackDraw - draw function which must be called on update
+ */
+ "fnInit": function ( oSettings, nPaging, fnCallbackDraw )
+ {
+ var oLang = oSettings.oLanguage.oPaginate;
+ var oClasses = oSettings.oClasses;
+ var fnClickHandler = function ( e ) {
+ if ( oSettings.oApi._fnPageChange( oSettings, e.data.action ) )
+ {
+ fnCallbackDraw( oSettings );
+ }
+ };
+
+ var sAppend = (!oSettings.bJUI) ?
+ '<a class="'+oSettings.oClasses.sPagePrevDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button">'+oLang.sPrevious+'</a>'+
+ '<a class="'+oSettings.oClasses.sPageNextDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button">'+oLang.sNext+'</a>'
+ :
+ '<a class="'+oSettings.oClasses.sPagePrevDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button"><span class="'+oSettings.oClasses.sPageJUIPrev+'"></span></a>'+
+ '<a class="'+oSettings.oClasses.sPageNextDisabled+'" tabindex="'+oSettings.iTabIndex+'" role="button"><span class="'+oSettings.oClasses.sPageJUINext+'"></span></a>';
+ $(nPaging).append( sAppend );
+
+ var els = $('a', nPaging);
+ var nPrevious = els[0],
+ nNext = els[1];
+
+ oSettings.oApi._fnBindAction( nPrevious, {action: "previous"}, fnClickHandler );
+ oSettings.oApi._fnBindAction( nNext, {action: "next"}, fnClickHandler );
+
+ /* ID the first elements only */
+ if ( !oSettings.aanFeatures.p )
+ {
+ nPaging.id = oSettings.sTableId+'_paginate';
+ nPrevious.id = oSettings.sTableId+'_previous';
+ nNext.id = oSettings.sTableId+'_next';
+
+ nPrevious.setAttribute('aria-controls', oSettings.sTableId);
+ nNext.setAttribute('aria-controls', oSettings.sTableId);
+ }
+ },
+
+ /*
+ * Function: oPagination.two_button.fnUpdate
+ * Purpose: Update the two button pagination at the end of the draw
+ * Returns: -
+ * Inputs: object:oSettings - dataTables settings object
+ * function:fnCallbackDraw - draw function to call on page change
+ */
+ "fnUpdate": function ( oSettings, fnCallbackDraw )
+ {
+ if ( !oSettings.aanFeatures.p )
+ {
+ return;
+ }
+
+ var oClasses = oSettings.oClasses;
+ var an = oSettings.aanFeatures.p;
+ var nNode;
+
+ /* Loop over each instance of the pager */
+ for ( var i=0, iLen=an.length ; i<iLen ; i++ )
+ {
+ nNode = an[i].firstChild;
+ if ( nNode )
+ {
+ /* Previous page */
+ nNode.className = ( oSettings._iDisplayStart === 0 ) ?
+ oClasses.sPagePrevDisabled : oClasses.sPagePrevEnabled;
+
+ /* Next page */
+ nNode = nNode.nextSibling;
+ nNode.className = ( oSettings.fnDisplayEnd() == oSettings.fnRecordsDisplay() ) ?
+ oClasses.sPageNextDisabled : oClasses.sPageNextEnabled;
+ }
+ }
+ }
+ },
+
+
+ /*
+ * Variable: iFullNumbersShowPages
+ * Purpose: Change the number of pages which can be seen
+ * Scope: jQuery.fn.dataTableExt.oPagination
+ */
+ "iFullNumbersShowPages": 5,
+
+ /*
+ * Variable: full_numbers
+ * Purpose: Full numbers pagination
+ * Scope: jQuery.fn.dataTableExt.oPagination
+ */
+ "full_numbers": {
+ /*
+ * Function: oPagination.full_numbers.fnInit
+ * Purpose: Initialise dom elements required for pagination with a list of the pages
+ * Returns: -
+ * Inputs: object:oSettings - dataTables settings object
+ * node:nPaging - the DIV which contains this pagination control
+ * function:fnCallbackDraw - draw function which must be called on update
+ */
+ "fnInit": function ( oSettings, nPaging, fnCallbackDraw )
+ {
+ var oLang = oSettings.oLanguage.oPaginate;
+ var oClasses = oSettings.oClasses;
+ var fnClickHandler = function ( e ) {
+ if ( oSettings.oApi._fnPageChange( oSettings, e.data.action ) )
+ {
+ fnCallbackDraw( oSettings );
+ }
+ };
+
+ $(nPaging).append(
+ '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPageFirst+'">'+oLang.sFirst+'</a>'+
+ '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPagePrevious+'">'+oLang.sPrevious+'</a>'+
+ '<span></span>'+
+ '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPageNext+'">'+oLang.sNext+'</a>'+
+ '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+" "+oClasses.sPageLast+'">'+oLang.sLast+'</a>'
+ );
+ var els = $('a', nPaging);
+ var nFirst = els[0],
+ nPrev = els[1],
+ nNext = els[2],
+ nLast = els[3];
+
+ oSettings.oApi._fnBindAction( nFirst, {action: "first"}, fnClickHandler );
+ oSettings.oApi._fnBindAction( nPrev, {action: "previous"}, fnClickHandler );
+ oSettings.oApi._fnBindAction( nNext, {action: "next"}, fnClickHandler );
+ oSettings.oApi._fnBindAction( nLast, {action: "last"}, fnClickHandler );
+
+ /* ID the first elements only */
+ if ( !oSettings.aanFeatures.p )
+ {
+ nPaging.id = oSettings.sTableId+'_paginate';
+ nFirst.id =oSettings.sTableId+'_first';
+ nPrev.id =oSettings.sTableId+'_previous';
+ nNext.id =oSettings.sTableId+'_next';
+ nLast.id =oSettings.sTableId+'_last';
+ }
+ },
+
+ /*
+ * Function: oPagination.full_numbers.fnUpdate
+ * Purpose: Update the list of page buttons shows
+ * Returns: -
+ * Inputs: object:oSettings - dataTables settings object
+ * function:fnCallbackDraw - draw function to call on page change
+ */
+ "fnUpdate": function ( oSettings, fnCallbackDraw )
+ {
+ if ( !oSettings.aanFeatures.p )
+ {
+ return;
+ }
+
+ var iPageCount = DataTable.ext.oPagination.iFullNumbersShowPages;
+ var iPageCountHalf = Math.floor(iPageCount / 2);
+ var iPages = Math.ceil((oSettings.fnRecordsDisplay()) / oSettings._iDisplayLength);
+ var iCurrentPage = Math.ceil(oSettings._iDisplayStart / oSettings._iDisplayLength) + 1;
+ var sList = "";
+ var iStartButton, iEndButton, i, iLen;
+ var oClasses = oSettings.oClasses;
+ var anButtons, anStatic, nPaginateList, nNode;
+ var an = oSettings.aanFeatures.p;
+ var fnBind = function (j) {
+ oSettings.oApi._fnBindAction( this, {"page": j+iStartButton-1}, function(e) {
+ /* Use the information in the element to jump to the required page */
+ oSettings.oApi._fnPageChange( oSettings, e.data.page );
+ fnCallbackDraw( oSettings );
+ e.preventDefault();
+ } );
+ };
+
+ /* Pages calculation */
+ if ( oSettings._iDisplayLength === -1 )
+ {
+ iStartButton = 1;
+ iEndButton = 1;
+ iCurrentPage = 1;
+ }
+ else if (iPages < iPageCount)
+ {
+ iStartButton = 1;
+ iEndButton = iPages;
+ }
+ else if (iCurrentPage <= iPageCountHalf)
+ {
+ iStartButton = 1;
+ iEndButton = iPageCount;
+ }
+ else if (iCurrentPage >= (iPages - iPageCountHalf))
+ {
+ iStartButton = iPages - iPageCount + 1;
+ iEndButton = iPages;
+ }
+ else
+ {
+ iStartButton = iCurrentPage - Math.ceil(iPageCount / 2) + 1;
+ iEndButton = iStartButton + iPageCount - 1;
+ }
+
+
+ /* Build the dynamic list */
+ for ( i=iStartButton ; i<=iEndButton ; i++ )
+ {
+ sList += (iCurrentPage !== i) ?
+ '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButton+'">'+oSettings.fnFormatNumber(i)+'</a>' :
+ '<a tabindex="'+oSettings.iTabIndex+'" class="'+oClasses.sPageButtonActive+'">'+oSettings.fnFormatNumber(i)+'</a>';
+ }
+
+ /* Loop over each instance of the pager */
+ for ( i=0, iLen=an.length ; i<iLen ; i++ )
+ {
+ nNode = an[i];
+ if ( !nNode.hasChildNodes() )
+ {
+ continue;
+ }
+
+ /* Build up the dynamic list first - html and listeners */
+ $('span:eq(0)', nNode)
+ .html( sList )
+ .children('a').each( fnBind );
+
+ /* Update the permanent button's classes */
+ anButtons = nNode.getElementsByTagName('a');
+ anStatic = [
+ anButtons[0], anButtons[1],
+ anButtons[anButtons.length-2], anButtons[anButtons.length-1]
+ ];
+
+ $(anStatic).removeClass( oClasses.sPageButton+" "+oClasses.sPageButtonActive+" "+oClasses.sPageButtonStaticDisabled );
+ $([anStatic[0], anStatic[1]]).addClass(
+ (iCurrentPage==1) ?
+ oClasses.sPageButtonStaticDisabled :
+ oClasses.sPageButton
+ );
+ $([anStatic[2], anStatic[3]]).addClass(
+ (iPages===0 || iCurrentPage===iPages || oSettings._iDisplayLength===-1) ?
+ oClasses.sPageButtonStaticDisabled :
+ oClasses.sPageButton
+ );
+ }
+ }
+ }
+} );
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