mirror of
https://github.com/evilhero/mylar
synced 2024-12-23 16:22:45 +00:00
240 lines
No EOL
9.2 KiB
JavaScript
240 lines
No EOL
9.2 KiB
JavaScript
/*
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* File: jquery.dataTables.rowReordering.js
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* Version: 1.0.0.
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* Author: Jovan Popovic
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*
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* Copyright 2012 Jovan Popovic, all rights reserved.
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*
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* This source file is free software, under either the GPL v2 license or a
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* BSD style license, as supplied with this software.
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*
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* This source file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Parameters:
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* @iIndexColumn int Position of the indexing column
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* @sURL String Server side page tat will be notified that order is changed
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* @iGroupingLevel int Defines that grouping is used
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*/
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(function ($) {
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$.fn.rowReordering = function (options) {
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function _fnStartProcessingMode() {
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///<summary>
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///Function that starts "Processing" mode i.e. shows "Processing..." dialog while some action is executing(Default function)
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///</summary>
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if (oTable.fnSettings().oFeatures.bProcessing) {
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$(".dataTables_processing").css('visibility', 'visible');
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}
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}
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function _fnEndProcessingMode() {
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///<summary>
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///Function that ends the "Processing" mode and returns the table in the normal state(Default function)
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///</summary>
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if (oTable.fnSettings().oFeatures.bProcessing) {
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$(".dataTables_processing").css('visibility', 'hidden');
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}
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}
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function fnGetStartPosition(sSelector) {
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var iStart = 1000000;
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$(sSelector, oTable).each(function () {
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iPosition = parseInt(oTable.fnGetData(this, properties.iIndexColumn));
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if (iPosition < iStart)
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iStart = iPosition;
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});
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return iStart;
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}
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function fnCancelSorting(tbody, properties, iLogLevel, sMessage) {
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tbody.sortable('cancel');
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if(iLogLevel<=properties.iLogLevel){
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if(sMessage!= undefined){
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properties.fnAlert(sMessage, "");
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}else{
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properties.fnAlert("Row cannot be moved", "");
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}
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}
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properties.fnEndProcessingMode();
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}
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function fnGetState(sSelector, id) {
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var tr = $("#" + id);
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var iCurrentPosition = oTable.fnGetData(tr[0], properties.iIndexColumn);
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var iNewPosition = -1; // fnGetStartPosition(sSelector);
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var sDirection;
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var trPrevious = tr.prev(sSelector);
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if (trPrevious.length > 0) {
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iNewPosition = parseInt(oTable.fnGetData(trPrevious[0], properties.iIndexColumn));
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if (iNewPosition < iCurrentPosition) {
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iNewPosition = iNewPosition + 1;
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}
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} else {
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var trNext = tr.next(sSelector);
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if (trNext.length > 0) {
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iNewPosition = parseInt(oTable.fnGetData(trNext[0], properties.iIndexColumn));
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if (iNewPosition > iCurrentPosition)//moved back
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iNewPosition = iNewPosition - 1;
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}
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}
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if (iNewPosition < iCurrentPosition)
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sDirection = "back";
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else
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sDirection = "forward";
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return { sDirection: sDirection, iCurrentPosition: iCurrentPosition, iNewPosition: iNewPosition };
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}
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function fnMoveRows(sSelector, iCurrentPosition, iNewPosition, sDirection, id, sGroup) {
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var iStart = iCurrentPosition;
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var iEnd = iNewPosition;
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if (sDirection == "back") {
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iStart = iNewPosition;
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iEnd = iCurrentPosition;
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}
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$(oTable.fnGetNodes()).each(function () {
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if (sGroup != "" && $(this).attr("data-group") != sGroup)
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return;
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var tr = this;
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var iRowPosition = parseInt(oTable.fnGetData(tr, properties.iIndexColumn));
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if (iStart <= iRowPosition && iRowPosition <= iEnd) {
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if (tr.id == id) {
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oTable.fnUpdate(iNewPosition,
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oTable.fnGetPosition(tr), // get row position in current model
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properties.iIndexColumn,
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false); // false = defer redraw until all row updates are done
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} else {
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if (sDirection == "back") {
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oTable.fnUpdate(iRowPosition + 1,
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oTable.fnGetPosition(tr), // get row position in current model
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properties.iIndexColumn,
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false); // false = defer redraw until all row updates are done
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} else {
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oTable.fnUpdate(iRowPosition - 1,
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oTable.fnGetPosition(tr), // get row position in current model
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properties.iIndexColumn,
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false); // false = defer redraw until all row updates are done
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}
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}
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}
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});
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var oSettings = oTable.fnSettings();
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//Standing Redraw Extension
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//Author: Jonathan Hoguet
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//http://datatables.net/plug-ins/api#fnStandingRedraw
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if (oSettings.oFeatures.bServerSide === false) {
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var before = oSettings._iDisplayStart;
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oSettings.oApi._fnReDraw(oSettings);
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//iDisplayStart has been reset to zero - so lets change it back
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oSettings._iDisplayStart = before;
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oSettings.oApi._fnCalculateEnd(oSettings);
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}
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//draw the 'current' page
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oSettings.oApi._fnDraw(oSettings);
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}
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function _fnAlert(message, type) { alert(message); }
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var oTable = this;
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var defaults = {
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iIndexColumn: 0,
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iStartPosition: 1,
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sURL: null,
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sRequestType: "POST",
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iGroupingLevel: 0,
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fnAlert: _fnAlert,
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iLogLevel: 1,
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sDataGroupAttribute: "data-group",
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fnStartProcessingMode: _fnStartProcessingMode,
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fnEndProcessingMode: _fnEndProcessingMode
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};
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var properties = $.extend(defaults, options);
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var iFrom, iTo;
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return this.each(function () {
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var aaSortingFixed = (oTable.fnSettings().aaSortingFixed == null ? new Array() : oTable.fnSettings().aaSortingFixed);
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aaSortingFixed.push([properties.iIndexColumn, "asc"]);
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oTable.fnSettings().aaSortingFixed = aaSortingFixed;
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for (var i = 0; i < oTable.fnSettings().aoColumns.length; i++) {
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oTable.fnSettings().aoColumns[i].bSortable = false;
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/*for(var j=0; j<aaSortingFixed.length; j++)
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{
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if( i == aaSortingFixed[j][0] )
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oTable.fnSettings().aoColumns[i].bSortable = false;
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}*/
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}
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oTable.fnDraw();
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$("tbody", oTable).sortable({
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cursor: "move",
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update: function (event, ui) {
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var tbody = $(this);
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var sSelector = "tbody tr";
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var sGroup = "";
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if (properties.bGroupingUsed) {
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sGroup = $(ui.item).attr(properties.sDataGroupAttribute);
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if(sGroup==null || sGroup==undefined){
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fnCancelSorting(tbody, properties, 3, "Grouping row cannot be moved");
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return;
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}
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sSelector = "tbody tr[" + properties.sDataGroupAttribute + " ='" + sGroup + "']";
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}
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var oState = fnGetState(sSelector, ui.item.context.id);
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if(oState.iNewPosition == -1)
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{
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fnCancelSorting(tbody, properties,2);
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return;
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}
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if (properties.sURL != null) {
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properties.fnStartProcessingMode();
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$.ajax({
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url: properties.sURL,
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type: properties.sRequestType,
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data: { id: ui.item.context.id,
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fromPosition: oState.iCurrentPosition,
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toPosition: oState.iNewPosition,
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direction: oState.sDirection,
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group: sGroup
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},
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success: function () {
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fnMoveRows(sSelector, oState.iCurrentPosition, oState.iNewPosition, oState.sDirection, ui.item.context.id, sGroup);
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properties.fnEndProcessingMode();
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},
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error: function (jqXHR) {
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fnCancelSorting(tbody, properties, 1, jqXHR.statusText);
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}
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});
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} else {
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fnMoveRows(sSelector, oState.iCurrentPosition, oState.iNewPosition, oState.sDirection, ui.item.context.id, sGroup);
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}
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}
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});
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});
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};
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})(jQuery); |