--- /dev/null
+
+/**
+ * Return the settings object for a particular table
+ * @param {node} nTable table we are using as a dataTable
+ * @returns {object} Settings object - or null if not found
+ * @memberof DataTable#oApi
+ */
+function _fnSettingsFromNode ( nTable )
+{
+ for ( var i=0 ; i<DataTable.settings.length ; i++ )
+ {
+ if ( DataTable.settings[i].nTable === nTable )
+ {
+ return DataTable.settings[i];
+ }
+ }
+
+ return null;
+}
+
+
+/**
+ * Return an array with the TR nodes for the table
+ * @param {object} oSettings dataTables settings object
+ * @returns {array} TR array
+ * @memberof DataTable#oApi
+ */
+function _fnGetTrNodes ( oSettings )
+{
+ var aNodes = [];
+ var aoData = oSettings.aoData;
+ for ( var i=0, iLen=aoData.length ; i<iLen ; i++ )
+ {
+ if ( aoData[i].nTr !== null )
+ {
+ aNodes.push( aoData[i].nTr );
+ }
+ }
+ return aNodes;
+}
+
+
+/**
+ * Return an flat array with all TD nodes for the table, or row
+ * @param {object} oSettings dataTables settings object
+ * @param {int} [iIndividualRow] aoData index to get the nodes for - optional
+ * if not given then the return array will contain all nodes for the table
+ * @returns {array} TD array
+ * @memberof DataTable#oApi
+ */
+function _fnGetTdNodes ( oSettings, iIndividualRow )
+{
+ var anReturn = [];
+ var iCorrector;
+ var anTds, nTd;
+ var iRow, iRows=oSettings.aoData.length,
+ iColumn, iColumns, oData, sNodeName, iStart=0, iEnd=iRows;
+
+ /* Allow the collection to be limited to just one row */
+ if ( iIndividualRow !== undefined )
+ {
+ iStart = iIndividualRow;
+ iEnd = iIndividualRow+1;
+ }
+
+ for ( iRow=iStart ; iRow<iEnd ; iRow++ )
+ {
+ oData = oSettings.aoData[iRow];
+ if ( oData.nTr !== null )
+ {
+ /* get the TD child nodes - taking into account text etc nodes */
+ anTds = [];
+ nTd = oData.nTr.firstChild;
+ while ( nTd )
+ {
+ sNodeName = nTd.nodeName.toLowerCase();
+ if ( sNodeName == 'td' || sNodeName == 'th' )
+ {
+ anTds.push( nTd );
+ }
+ nTd = nTd.nextSibling;
+ }
+
+ iCorrector = 0;
+ for ( iColumn=0, iColumns=oSettings.aoColumns.length ; iColumn<iColumns ; iColumn++ )
+ {
+ if ( oSettings.aoColumns[iColumn].bVisible )
+ {
+ anReturn.push( anTds[iColumn-iCorrector] );
+ }
+ else
+ {
+ anReturn.push( oData._anHidden[iColumn] );
+ iCorrector++;
+ }
+ }
+ }
+ }
+
+ return anReturn;
+}
+
+
+/**
+ * Log an error message
+ * @param {object} oSettings dataTables settings object
+ * @param {int} iLevel log error messages, or display them to the user
+ * @param {string} sMesg error message
+ * @memberof DataTable#oApi
+ */
+function _fnLog( oSettings, iLevel, sMesg )
+{
+ var sAlert = (oSettings===null) ?
+ "DataTables warning: "+sMesg :
+ "DataTables warning (table id = '"+oSettings.sTableId+"'): "+sMesg;
+
+ if ( iLevel === 0 )
+ {
+ if ( DataTable.ext.sErrMode == 'alert' )
+ {
+ alert( sAlert );
+ }
+ else
+ {
+ throw new Error(sAlert);
+ }
+ return;
+ }
+ else if ( window.console && console.log )
+ {
+ console.log( sAlert );
+ }
+}
+
+
+/**
+ * See if a property is defined on one object, if so assign it to the other object
+ * @param {object} oRet target object
+ * @param {object} oSrc source object
+ * @param {string} sName property
+ * @param {string} [sMappedName] name to map too - optional, sName used if not given
+ * @memberof DataTable#oApi
+ */
+function _fnMap( oRet, oSrc, sName, sMappedName )
+{
+ if ( sMappedName === undefined )
+ {
+ sMappedName = sName;
+ }
+ if ( oSrc[sName] !== undefined )
+ {
+ oRet[sMappedName] = oSrc[sName];
+ }
+}
+
+
+/**
+ * Extend objects - very similar to jQuery.extend, but deep copy objects, and shallow
+ * copy arrays. The reason we need to do this, is that we don't want to deep copy array
+ * init values (such as aaSorting) since the dev wouldn't be able to override them, but
+ * we do want to deep copy arrays.
+ * @param {object} oOut Object to extend
+ * @param {object} oExtender Object from which the properties will be applied to oOut
+ * @returns {object} oOut Reference, just for convenience - oOut === the return.
+ * @memberof DataTable#oApi
+ * @todo This doesn't take account of arrays inside the deep copied objects.
+ */
+function _fnExtend( oOut, oExtender )
+{
+ var val;
+
+ for ( var prop in oExtender )
+ {
+ if ( oExtender.hasOwnProperty(prop) )
+ {
+ val = oExtender[prop];
+
+ if ( typeof oInit[prop] === 'object' && val !== null && $.isArray(val) === false )
+ {
+ $.extend( true, oOut[prop], val );
+ }
+ else
+ {
+ oOut[prop] = val;
+ }
+ }
+ }
+
+ return oOut;
+}
+
+
+/**
+ * Bind an event handers to allow a click or return key to activate the callback.
+ * This is good for accessibility since a return on the keyboard will have the
+ * same effect as a click, if the element has focus.
+ * @param {element} n Element to bind the action to
+ * @param {object} oData Data object to pass to the triggered function
+ * @param {function} fn Callback function for when the event is triggered
+ * @memberof DataTable#oApi
+ */
+function _fnBindAction( n, oData, fn )
+{
+ $(n)
+ .bind( 'click.DT', oData, function (e) {
+ n.blur(); // Remove focus outline for mouse users
+ fn(e);
+ } )
+ .bind( 'keypress.DT', oData, function (e){
+ if ( e.which === 13 ) {
+ fn(e);
+ } } )
+ .bind( 'selectstart.DT', function () {
+ /* Take the brutal approach to cancelling text selection */
+ return false;
+ } );
+}
+
+
+/**
+ * Register a callback function. Easily allows a callback function to be added to
+ * an array store of callback functions that can then all be called together.
+ * @param {object} oSettings dataTables settings object
+ * @param {string} sStore Name of the array storage for the callbacks in oSettings
+ * @param {function} fn Function to be called back
+ * @param {string} sName Identifying name for the callback (i.e. a label)
+ * @memberof DataTable#oApi
+ */
+function _fnCallbackReg( oSettings, sStore, fn, sName )
+{
+ if ( fn )
+ {
+ oSettings[sStore].push( {
+ "fn": fn,
+ "sName": sName
+ } );
+ }
+}
+
+
+/**
+ * Fire callback functions and trigger events. Note that the loop over the callback
+ * array store is done backwards! Further note that you do not want to fire off triggers
+ * in time sensitive applications (for example cell creation) as its slow.
+ * @param {object} oSettings dataTables settings object
+ * @param {string} sStore Name of the array storage for the callbacks in oSettings
+ * @param {string} sTrigger Name of the jQuery custom event to trigger. If null no trigger
+ * is fired
+ * @param {array} aArgs Array of arguments to pass to the callback function / trigger
+ * @memberof DataTable#oApi
+ */
+function _fnCallbackFire( oSettings, sStore, sTrigger, aArgs )
+{
+ var aoStore = oSettings[sStore];
+ var aRet =[];
+
+ for ( var i=aoStore.length-1 ; i>=0 ; i-- )
+ {
+ aRet.push( aoStore[i].fn.apply( oSettings.oInstance, aArgs ) );
+ }
+
+ if ( sTrigger !== null )
+ {
+ $(oSettings.oInstance).trigger(sTrigger, aArgs);
+ }
+
+ return aRet;
+}
+
+
+/**
+ * JSON stringify. If JSON.stringify it provided by the browser, json2.js or any other
+ * library, then we use that as it is fast, safe and accurate. If the function isn't
+ * available then we need to built it ourselves - the inspiration for this function comes
+ * from Craig Buckler ( http://www.sitepoint.com/javascript-json-serialization/ ). It is
+ * not perfect and absolutely should not be used as a replacement to json2.js - but it does
+ * do what we need, without requiring a dependency for DataTables.
+ * @param {object} o JSON object to be converted
+ * @returns {string} JSON string
+ * @memberof DataTable#oApi
+ */
+var _fnJsonString = (window.JSON) ? JSON.stringify : function( o )
+{
+ /* Not an object or array */
+ var sType = typeof o;
+ if (sType !== "object" || o === null)
+ {
+ // simple data type
+ if (sType === "string")
+ {
+ o = '"'+o+'"';
+ }
+ return o+"";
+ }
+
+ /* If object or array, need to recurse over it */
+ var
+ sProp, mValue,
+ json = [],
+ bArr = $.isArray(o);
+
+ for (sProp in o)
+ {
+ mValue = o[sProp];
+ sType = typeof mValue;
+
+ if (sType === "string")
+ {
+ mValue = '"'+mValue+'"';
+ }
+ else if (sType === "object" && mValue !== null)
+ {
+ mValue = _fnJsonString(mValue);
+ }
+
+ json.push((bArr ? "" : '"'+sProp+'":') + mValue);
+ }
+
+ return (bArr ? "[" : "{") + json + (bArr ? "]" : "}");
+};
+
+
+/**
+ * From some browsers (specifically IE6/7) we need special handling to work around browser
+ * bugs - this function is used to detect when these workarounds are needed.
+ * @param {object} oSettings dataTables settings object
+ * @memberof DataTable#oApi
+ */
+function _fnBrowserDetect( oSettings )
+{
+ /* IE6/7 will oversize a width 100% element inside a scrolling element, to include the
+ * width of the scrollbar, while other browsers ensure the inner element is contained
+ * without forcing scrolling
+ */
+ var n = $(
+ '<div style="position:absolute; top:0; left:0; height:1px; width:1px; overflow:hidden">'+
+ '<div style="position:absolute; top:1px; left:1px; width:100px; overflow:scroll;">'+
+ '<div id="DT_BrowserTest" style="width:100%; height:10px;"></div>'+
+ '</div>'+
+ '</div>')[0];
+
+ document.body.appendChild( n );
+ oSettings.oBrowser.bScrollOversize = $('#DT_BrowserTest', n)[0].offsetWidth === 100 ? true : false;
+ document.body.removeChild( n );
+}
+
git://source.jalview.org / proteocache.git / blobdiff