better init time for graph-instance-related globals

twmain/Tinaweb.js

@@ -1057,7 +1057,9 @@ var TinaWebJS = function ( sigmacanvas ) {
       if (TW.conf.getRelatedDocs) {
         let ul = document.getElementById('reldocs-tabs')
 
-        let tabEls = []
+        // remove any previous tabs
+        ul.innerHTML=""
+        TW.gui.reldocTabs = [{},{}]
 
         // for all existing nodetypes
         for (let nodetypeId in initialActivetypes) {

twmain/main.js

@@ -2,22 +2,9 @@
 
 //  ======= [ main TW properties initialization ] ======== //
 
-TW.Nodes = [];
-TW.Edges = [];
-TW.ByType = {}          // node ids sorted by nodetype id   (0, 1)
-TW.Relations = {}       // edges sorted by source/target type id ("00", "11")
-TW.Clusters = [];       // "by value" facet index built in parseCustom
 
 TW.File = ""            // remember the currently opened file
 
-TW.partialGraph = null  // will contain the sigma visible graph instance
-
-TW.labels=[];           // fulltext search list
-
-TW.categories = [];     // possible node types and their inverted map
-TW.catDict = {};
-TW.lastRelDocQueries = {}  // avoids resending ajax if same query twice in a row
-
 // used iff servermenu
 TW.gmenuPaths={};       // map [graphname => graphsource] for file selectors
 TW.gmenuInfos={};       // map [graphsource => { node0/1 categories
@@ -346,6 +333,23 @@ function syncRemoteGraphData () {
 // (NB inspired by Samuel's legacy bringTheNoise() function)
 function mainStartGraph(inFormat, inData, twInstance) {
 
+  // Graph-related vars
+  // ------------------
+  // POSS: "new TWGraph()..."
+  TW.Nodes = [];
+  TW.Edges = [];
+  TW.ByType = {}          // node ids sorted by nodetype id   (0, 1)
+  TW.Relations = {}       // edges sorted by source/target type id ("00", "11")
+  TW.Clusters = [];       // "by value" facet index built in parseCustom
+
+  TW.partialGraph = null  // will contain the sigma visible graph instance
+
+  TW.labels=[];           // fulltext search list
+
+  TW.categories = [];     // possible node types and their inverted map
+  TW.catDict = {};
+  TW.lastRelDocQueries = {}  // avoids resending ajax if same query twice in a row
+
   if (! inFormat || ! inData) {
     alert("error on data load")
   }

twmain/methods.js

@@ -81,18 +81,6 @@ TW.resetGraph = function() {
   // call the sigma graph clearing
   TW.instance.clearSigma()
 
-  // TW.categories, TW.Nodes and TW.Edges will be reset by mainStartGraph
-
-  // reset remaining global vars
-  TW.labels = []
-  TW.Relations = {}
-  TW.states = [TW.initialSystemState]
-  TW.lastRelDocQueries = {}
-
-  // reset related docs tabs
-  document.getElementById("reldocs-tabs").innerHTML=""
-  TW.gui.reldocTabs = [{},{}]
-
   // reset rendering gui flags
   TW.gui.selectionActive = false
   TW.gui.handpickedcolor = false
@@ -104,6 +92,8 @@ TW.resetGraph = function() {
   // reset other gui flags
   TW.gui.checkBox=false
   TW.gui.lastFilters = {}
+
+  // remaining global vars will be reset by new graph mainStartGraph
 }