Файл: wapxl.ru/bower_components/datatables-plugins/pagination/select.js
Строк: 223
<?php
/**
* This pagination plug-in provides a `dt-tag select` menu with the list of the page
* numbers that are available for viewing.
*
* @name Select list
* @summary Show a `dt-tag select` list of pages the user can pick from.
* @author _jneilliii_
*
* @example
* $(document).ready(function() {
* $('#example').dataTable( {
* "sPaginationType": "listbox"
* } );
* } );
*/
$.fn.dataTableExt.oPagination.listbox = {
/*
* Function: oPagination.listbox.fnInit
* Purpose: Initalise dom elements required for pagination with listbox input
* 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 nInput = document.createElement('select');
var nPage = document.createElement('span');
var nOf = document.createElement('span');
nOf.className = "paginate_of";
nPage.className = "paginate_page";
if (oSettings.sTableId !== '') {
nPaging.setAttribute('id', oSettings.sTableId + '_paginate');
}
nInput.style.display = "inline";
nPage.innerHTML = "Page ";
nPaging.appendChild(nPage);
nPaging.appendChild(nInput);
nPaging.appendChild(nOf);
$(nInput).change(function (e) { // Set DataTables page property and redraw the grid on listbox change event.
window.scroll(0,0); //scroll to top of page
if (this.value === "" || this.value.match(/[^0-9]/)) { /* Nothing entered or non-numeric character */
return;
}
var iNewStart = oSettings._iDisplayLength * (this.value - 1);
if (iNewStart > oSettings.fnRecordsDisplay()) { /* Display overrun */
oSettings._iDisplayStart = (Math.ceil((oSettings.fnRecordsDisplay() - 1) / oSettings._iDisplayLength) - 1) * oSettings._iDisplayLength;
fnCallbackDraw(oSettings);
return;
}
oSettings._iDisplayStart = iNewStart;
fnCallbackDraw(oSettings);
}); /* Take the brutal approach to cancelling text selection */
$('span', nPaging).bind('mousedown', function () {
return false;
});
$('span', nPaging).bind('selectstart', function () {
return false;
});
},
/*
* Function: oPagination.listbox.fnUpdate
* Purpose: Update the listbox element
* Returns: -
* Inputs: object:oSettings - dataTables settings object
* function:fnCallbackDraw - draw function which must be called on update
*/
"fnUpdate": function (oSettings, fnCallbackDraw) {
if (!oSettings.aanFeatures.p) {
return;
}
var iPages = Math.ceil((oSettings.fnRecordsDisplay()) / oSettings._iDisplayLength);
var iCurrentPage = Math.ceil(oSettings._iDisplayStart / oSettings._iDisplayLength) + 1; /* Loop over each instance of the pager */
var an = oSettings.aanFeatures.p;
for (var i = 0, iLen = an.length; i < iLen; i++) {
var spans = an[i].getElementsByTagName('span');
var inputs = an[i].getElementsByTagName('select');
var elSel = inputs[0];
if(elSel.options.length != iPages) {
elSel.options.length = 0; //clear the listbox contents
for (var j = 0; j < iPages; j++) { //add the pages
var oOption = document.createElement('option');
oOption.text = j + 1;
oOption.value = j + 1;
try {
elSel.add(oOption, null); // standards compliant; doesn't work in IE
} catch (ex) {
elSel.add(oOption); // IE only
}
}
spans[1].innerHTML = " of " + iPages;
}
elSel.value = iCurrentPage;
}
}
};
?>