03728506f98789fc4375911a2e3726f1c61d297d
kate
  Sat Oct 8 22:44:12 2016 -0700
Add hover and click handling to bodyMap.  Rough cut code for usability review. refs #17369

diff --git src/hg/js/hgGtexTrackSettings.js src/hg/js/hgGtexTrackSettings.js
index 94413a2..868eb98 100644
--- src/hg/js/hgGtexTrackSettings.js
+++ src/hg/js/hgGtexTrackSettings.js
@@ -1,24 +1,26 @@
 // Module: gtexTrackSettings
 
 var gtexTrackSettings = (function() {
 
     // Data
     
     // SVG has it's own DOM
     var _svgDoc;
     var _svgRoot;
+    var _htmlDoc;
+    var _htmlRoot;
 
     var tissues = [
         'adiposeSubcut', 'adiposeVisceral', 'adrenalGland', 'arteryAorta', 'arteryCoronary', 
         'arteryTibial', 'bladder', 'brainAmygdala', 'brainAnCinCortex', 'brainCaudate', 
         'brainCerebelHemi', 'brainCerebellum', 'brainCortex', 'brainFrontCortex', 
         'brainHippocampus', 'brainHypothalamus', 'brainNucAccumbens', 'brainPutamen', 
         'brainSpinalcord', 'brainSubstanNigra', 'breastMamTissue', 'xformedlymphocytes',
         'xformedfibroblasts', 'ectocervix', 'endocervix', 'colonSigmoid', 'colonTransverse',
         'esophagusJunction', 'esophagusMucosa', 'esophagusMuscular', 'fallopianTube', 
         'heartAtrialAppend', 'heartLeftVentricl', 'kidneyCortex', 'liver', 'lung', 
         'minorSalivGland', 'muscleSkeletal', 'nerveTibial', 'ovary', 'pancreas', 'pituitary', 
         'prostate', 'skinNotExposed', 'skinExposed', 'smallIntestine', 'spleen', 'stomach', 
         'testis', 'thyroid', 'uterus', 'vagina', 'wholeBlood'
     ];
 
@@ -48,48 +50,92 @@
 
 
     function onClickToggleTissue(tis) {
         // mark selected in tissue table
         $(this).toggleClass('tableTissueSelected');
 
         // jQuery addClass doesn't work on SVG elements, using classList
         // May need a shim so this works on IE9 and Opera mini (as if Dec 2014)
         // https://martinwolf.org/blog/2014/12/adding-and-removing-classes-from-svg-elements-with-jquery
         var el = _svgDoc.getElementById(this.id);
         if (el !== null) {
             el.classList.toggle('tableTissueSelected');
         }
     }
 
+    function onMapClickToggleTissue(ev) {
+        var tis = ev.target.id;
+        var el = _htmlDoc.getElementById(tis);
+        if (el !== null) {
+            el.classList.toggle('tableTissueSelected');
+        }
+        // below can likely replace 3 lines after
+        //this.classList.toggle('tableTissueSelected');
+        el = _svgDoc.getElementById(tis);
+        if (el !== null) {
+            el.classList.toggle('tableTissueSelected');
+        }
+    }
+
     function onClickSetTissue(tis) {
         // mark selected in tissue table
         $(tis).addClass('tableTissueSelected');
         var el = _svgDoc.getElementById(tis);
         if (el !== null) {
             el.classList.add('tableTissueSelected');
         }
     }
 
     function onClickClearTissue(tis) {
         // mark selected in tissue table
         $(tis).removeClass('tableTissueSelected');
         var el = _svgDoc.getElementById(tis);
         if (el !== null) {
             el.classList.remove('tableTissueSelected');
         }
     }
 
+    function onMapHoverTissue(ev) {
+        var isOn = false;
+        var tis = ev.target.id;
+        var el = _htmlDoc.getElementById(tis);
+        if (el !== null) {
+            el.classList.toggle('tissueHovered');
+            if (el.classList.contains('tissueHovered')) {
+                isOn = true;
+            }
+        }
+
+        // below can likely replace 3 lines after
+        //this.classList.toggle('tableTissueSelected');
+        el = _svgDoc.getElementById(tis);
+        if (el !== null) {
+            el.classList.toggle('tissueHovered');
+            if (this.id === "arteryAorta") {
+                var line = $("#LL_arteryAorta", _svgRoot);
+                var white = $("#WHITE_arteryAorta", _svgRoot);
+                if (isOn) {
+                    $(line).show();
+                    $(white).show();
+                } else {
+                    $(white).hide();
+                    $(line).hide();
+                }
+            }
+        }
+    }
+
     function onHoverTissue() {
         // HTML
         $(this).toggleClass('tissueHovered');
         var isOn = $(this).hasClass('tissueHovered');
 
         // SVG
         var el = _svgDoc.getElementById(this.id);
         if (el !== null) {
             el.classList.toggle('tissueHovered');
             if (this.id === "arteryAorta") {
                 var line = $("#LL_arteryAorta", _svgRoot);
                 var white = $("#WHITE_arteryAorta", _svgRoot);
                 if (isOn) {
                     $(line).show();
                     $(white).show();
@@ -104,30 +150,40 @@
                 }
                 el = _svgDoc.getElementById("WHITE_arteryAorta");
                 if (el !== null) {
                     el.classList.toggle('mapTissueHovered');
 */
             }
         }
     }
 
     //function animateTissue(tis, i, ignore) {
     function animateTissue(tis) {
         //console.log(tis);
         // add handlers to tissue table
         $('#' + tis).click(tis, onClickToggleTissue);
         $('#' + tis).hover(onHoverTissue, onHoverTissue);
+
+        var el = _svgDoc.getElementById(tis);
+        if (el !== null) {
+            el.addEventListener("click", onMapClickToggleTissue);
+            el.addEventListener("mouseenter", onMapHoverTissue);
+            el.addEventListener("mouseleave", onMapHoverTissue);
+            // mouseover, mouseout ?
+        }
+
+        
     }
 
     function animateTissues() {
         // Add event handlers to tissue table and body map SVG
         tissues.forEach(animateTissue);
 
         $('#setAll').click(onClickSetAll);
         $('#clearAll').click(onClickClearAll);
     }
 
     // UI event handlers
 
     function onClickSetAll() {
         // set font-weight: bold on table, set text fill: black on svg
         // NOTE: this shouldn't be needed (needs debugging in onClickSet)
@@ -143,30 +199,32 @@
     function onClickMapTissue() {
         this.style.fill = "black";
         //document.getElementById("bodyMapSvg").contentDocument.getElementById('endocervix').style.fill = "black";
     }
 
     // Initialization
 
     function init() {
         // cart.setCgi('gtexTrackSettings');
 
         $(function() {
             // after page load, tweak layout and initialize event handlers
             var bodyMapSvg = document.getElementById("bodyMapSvg");
             globalSvg = bodyMapSvg;
 
+            _htmlDoc = document;
+            _htmlRoot = document.documentElement;
 
             // wait for SVG to load
             bodyMapSvg.addEventListener("load", function() {
                 var svg = bodyMapSvg.contentDocument.documentElement;
                 _svgRoot = svg;
                 _svgDoc = bodyMapSvg.contentDocument;
                 
                 initBodyMap(svg, bodyMapSvg.contentDocument);
                 animateTissues();
             }, false);
 
         });
     }
 
     return {