X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=webapp%2Fresources%2Fdatatables-1.9.4%2Fmedia%2Fsrc%2Fcore%2Fcore.state.js;fp=webapp%2Fresources%2Fdatatables-1.9.4%2Fmedia%2Fsrc%2Fcore%2Fcore.state.js;h=300b7d471f15129f4c7a8ae079d18757b2037b08;hb=9bb6ee99ca7f738fac1087190b5481b8fe6e8d9f;hp=0000000000000000000000000000000000000000;hpb=2e3f6b76be585306f1003d849831840c0adb3360;p=proteocache.git

diff --git a/webapp/resources/datatables-1.9.4/media/src/core/core.state.js b/webapp/resources/datatables-1.9.4/media/src/core/core.state.js
new file mode 100644
index 0000000..300b7d4
--- /dev/null
+++ b/webapp/resources/datatables-1.9.4/media/src/core/core.state.js
@@ -0,0 +1,216 @@
+
+
+/**
+ * Save the state of a table in a cookie such that the page can be reloaded
+ *  @param {object} oSettings dataTables settings object
+ *  @memberof DataTable#oApi
+ */
+function _fnSaveState ( oSettings )
+{
+	if ( !oSettings.oFeatures.bStateSave || oSettings.bDestroying )
+	{
+		return;
+	}
+
+	/* Store the interesting variables */
+	var i, iLen, bInfinite=oSettings.oScroll.bInfinite;
+	var oState = {
+		"iCreate":      new Date().getTime(),
+		"iStart":       (bInfinite ? 0 : oSettings._iDisplayStart),
+		"iEnd":         (bInfinite ? oSettings._iDisplayLength : oSettings._iDisplayEnd),
+		"iLength":      oSettings._iDisplayLength,
+		"aaSorting":    $.extend( true, [], oSettings.aaSorting ),
+		"oSearch":      $.extend( true, {}, oSettings.oPreviousSearch ),
+		"aoSearchCols": $.extend( true, [], oSettings.aoPreSearchCols ),
+		"abVisCols":    []
+	};
+
+	for ( i=0, iLen=oSettings.aoColumns.length ; i<iLen ; i++ )
+	{
+		oState.abVisCols.push( oSettings.aoColumns[i].bVisible );
+	}
+
+	_fnCallbackFire( oSettings, "aoStateSaveParams", 'stateSaveParams', [oSettings, oState] );
+	
+	oSettings.fnStateSave.call( oSettings.oInstance, oSettings, oState );
+}
+
+
+/**
+ * Attempt to load a saved table state from a cookie
+ *  @param {object} oSettings dataTables settings object
+ *  @param {object} oInit DataTables init object so we can override settings
+ *  @memberof DataTable#oApi
+ */
+function _fnLoadState ( oSettings, oInit )
+{
+	if ( !oSettings.oFeatures.bStateSave )
+	{
+		return;
+	}
+
+	var oData = oSettings.fnStateLoad.call( oSettings.oInstance, oSettings );
+	if ( !oData )
+	{
+		return;
+	}
+	
+	/* Allow custom and plug-in manipulation functions to alter the saved data set and
+	 * cancelling of loading by returning false
+	 */
+	var abStateLoad = _fnCallbackFire( oSettings, 'aoStateLoadParams', 'stateLoadParams', [oSettings, oData] );
+	if ( $.inArray( false, abStateLoad ) !== -1 )
+	{
+		return;
+	}
+	
+	/* Store the saved state so it might be accessed at any time */
+	oSettings.oLoadedState = $.extend( true, {}, oData );
+	
+	/* Restore key features */
+	oSettings._iDisplayStart    = oData.iStart;
+	oSettings.iInitDisplayStart = oData.iStart;
+	oSettings._iDisplayEnd      = oData.iEnd;
+	oSettings._iDisplayLength   = oData.iLength;
+	oSettings.aaSorting         = oData.aaSorting.slice();
+	oSettings.saved_aaSorting   = oData.aaSorting.slice();
+	
+	/* Search filtering  */
+	$.extend( oSettings.oPreviousSearch, oData.oSearch );
+	$.extend( true, oSettings.aoPreSearchCols, oData.aoSearchCols );
+	
+	/* Column visibility state
+	 * Pass back visibility settings to the init handler, but to do not here override
+	 * the init object that the user might have passed in
+	 */
+	oInit.saved_aoColumns = [];
+	for ( var i=0 ; i<oData.abVisCols.length ; i++ )
+	{
+		oInit.saved_aoColumns[i] = {};
+		oInit.saved_aoColumns[i].bVisible = oData.abVisCols[i];
+	}
+
+	_fnCallbackFire( oSettings, 'aoStateLoaded', 'stateLoaded', [oSettings, oData] );
+}
+
+
+/**
+ * Create a new cookie with a value to store the state of a table
+ *  @param {string} sName name of the cookie to create
+ *  @param {string} sValue the value the cookie should take
+ *  @param {int} iSecs duration of the cookie
+ *  @param {string} sBaseName sName is made up of the base + file name - this is the base
+ *  @param {function} fnCallback User definable function to modify the cookie
+ *  @memberof DataTable#oApi
+ */
+function _fnCreateCookie ( sName, sValue, iSecs, sBaseName, fnCallback )
+{
+	var date = new Date();
+	date.setTime( date.getTime()+(iSecs*1000) );
+	
+	/* 
+	 * Shocking but true - it would appear IE has major issues with having the path not having
+	 * a trailing slash on it. We need the cookie to be available based on the path, so we
+	 * have to append the file name to the cookie name. Appalling. Thanks to vex for adding the
+	 * patch to use at least some of the path
+	 */
+	var aParts = window.location.pathname.split('/');
+	var sNameFile = sName + '_' + aParts.pop().replace(/[\/:]/g,"").toLowerCase();
+	var sFullCookie, oData;
+	
+	if ( fnCallback !== null )
+	{
+		oData = (typeof $.parseJSON === 'function') ? 
+			$.parseJSON( sValue ) : eval( '('+sValue+')' );
+		sFullCookie = fnCallback( sNameFile, oData, date.toGMTString(),
+			aParts.join('/')+"/" );
+	}
+	else
+	{
+		sFullCookie = sNameFile + "=" + encodeURIComponent(sValue) +
+			"; expires=" + date.toGMTString() +"; path=" + aParts.join('/')+"/";
+	}
+	
+	/* Are we going to go over the cookie limit of 4KiB? If so, try to delete a cookies
+	 * belonging to DataTables.
+	 */
+	var
+		aCookies =document.cookie.split(';'),
+		iNewCookieLen = sFullCookie.split(';')[0].length,
+		aOldCookies = [];
+	
+	if ( iNewCookieLen+document.cookie.length+10 > 4096 ) /* Magic 10 for padding */
+	{
+		for ( var i=0, iLen=aCookies.length ; i<iLen ; i++ )
+		{
+			if ( aCookies[i].indexOf( sBaseName ) != -1 )
+			{
+				/* It's a DataTables cookie, so eval it and check the time stamp */
+				var aSplitCookie = aCookies[i].split('=');
+				try {
+					oData = eval( '('+decodeURIComponent(aSplitCookie[1])+')' );
+
+					if ( oData && oData.iCreate )
+					{
+						aOldCookies.push( {
+							"name": aSplitCookie[0],
+							"time": oData.iCreate
+						} );
+					}
+				}
+				catch( e ) {}
+			}
+		}
+
+		// Make sure we delete the oldest ones first
+		aOldCookies.sort( function (a, b) {
+			return b.time - a.time;
+		} );
+
+		// Eliminate as many old DataTables cookies as we need to
+		while ( iNewCookieLen + document.cookie.length + 10 > 4096 ) {
+			if ( aOldCookies.length === 0 ) {
+				// Deleted all DT cookies and still not enough space. Can't state save
+				return;
+			}
+			
+			var old = aOldCookies.pop();
+			document.cookie = old.name+"=; expires=Thu, 01-Jan-1970 00:00:01 GMT; path="+
+				aParts.join('/') + "/";
+		}
+	}
+	
+	document.cookie = sFullCookie;
+}
+
+
+/**
+ * Read an old cookie to get a cookie with an old table state
+ *  @param {string} sName name of the cookie to read
+ *  @returns {string} contents of the cookie - or null if no cookie with that name found
+ *  @memberof DataTable#oApi
+ */
+function _fnReadCookie ( sName )
+{
+	var
+		aParts = window.location.pathname.split('/'),
+		sNameEQ = sName + '_' + aParts[aParts.length-1].replace(/[\/:]/g,"").toLowerCase() + '=',
+	 	sCookieContents = document.cookie.split(';');
+	
+	for( var i=0 ; i<sCookieContents.length ; i++ )
+	{
+		var c = sCookieContents[i];
+		
+		while (c.charAt(0)==' ')
+		{
+			c = c.substring(1,c.length);
+		}
+		
+		if (c.indexOf(sNameEQ) === 0)
+		{
+			return decodeURIComponent( c.substring(sNameEQ.length,c.length) );
+		}
+	}
+	return null;
+}
+