Relation tooltip, filter, page title

www/graph.css

@@ -27,6 +27,8 @@
 
     --body-back: #96a7b7; /*#9cb3c9; /*#8195a7; /*#9cb3c9; #b9cada*/
     --title-color: #1c1c1c;
+
+    --zoom: 1; /* to be overriden by js */
 }
 
 body {
@@ -63,33 +65,33 @@ svg .links line, svg .links path {
     /* stroke: #f3722c; */
     /* stroke: #9df32c; */
     stroke: var(--link-color);
-    stroke-width: 6;
+    stroke-width: calc(10px / var(--zoom));
     fill: none;
-    transition: stroke-width 1s;
+    /* transition: stroke-width 1s; */
     cursor: pointer;
 }
 
 svg .links line.hover, svg .links path.hover {
-    stroke: var(--link-hover-color);
+    stroke: var(--link-hover-color) !important;
     /* stroke-width: 12; */
-    marker-end: url(#arrowHeadSelected);
+    marker-end: url(#arrowHeadSelected) !important;
 }
 
 svg .links .linkedHover path{
     stroke: var(--link-hover-related-color);
-    stroke-width: 12;
+    stroke-width:  calc(12px / var(--zoom));
     marker-end: url(#arrowHeadSelectedRelated);
 }
 
 svg .links .linkedSelected path{
-    stroke: var(--link-focus-color);
+    stroke: var(--link-hover-related-color);
-    stroke-width: 12;
+    stroke-width:  calc(12px / var(--zoom));
-    marker-end: url(#arrowHeadSelected);
+    marker-end: url(#arrowHeadSelectedRelated);
 }
 
-svg.zoomed .links line, svg.zoomed .links path {
+/* svg.zoomed .links line, svg.zoomed .links path {
     stroke-width: 2;
-}
+} */
 
 /* svg.zoomed .links line, svg.zoomed .links path.hover {
     stroke-width: 4;
@@ -154,16 +156,18 @@ svg #header text#subtitle {
     cursor: pointer;
 }
 
+
 .node text.nodeTitle {
     text-anchor: start;
     dominant-baseline: hanging;
+    font-size:  calc(20pt / var(--zoom)) !important;
     /*achieves a 'text-anchor: top'*/
     /* font-size: 16pt; */
     /*Set this in JS*/
-    transition: font-size .4s, opacity 1s;
+    transition: opacity 1s;
     fill: #5d5d5f; /*also when hovering node*/
     opacity: 1;
-    pointer-events: none;
+    /* pointer-events: none; */
     /*prevent mouse glitches*/
 }
 
@@ -171,6 +175,7 @@ svg #header text#subtitle {
 .node text.nodeTitle.overlapping {
     /* used to be shown on hover, but disabled now that we have a tooltip */
     opacity: 0;
+    pointer-events: none;
 }
 
 svg.zoomed .node text.nodeTitle {
@@ -190,10 +195,10 @@ svg.zoomed.zoomed2 .node text.nodeTitle {
 .node.linkHover circle, .node.linkHover path, .node.linkedHover path, label:hover .node path {
     fill: var(--hover-related-color) !important;
     stroke: var(--hover-related-color);
-    stroke-width: 5px;
+    stroke-width: 2px;
 }
-.node.linkedSelected path {
+.selectedNode .node:not(.linkedSelected) path {
-    fill: var(--hover-related-color) !important;
+    fill: lightgray !important;
     /* same as linkHover/linkedHover but without border */
 }
 
@@ -204,7 +209,7 @@ svg.zoomed.zoomed2 .node text.nodeTitle {
 .node:hover circle, .node:hover path, .node.selected path {
     fill: var(--hover-color) !important;
     stroke: var(--hover-color);
-    stroke-width: 5px;
+    stroke-width: 2px;
 }
 /* 
 .node:hover text {
@@ -212,7 +217,11 @@ svg.zoomed.zoomed2 .node text.nodeTitle {
     fill: var(--hover-color);
 } */
 
-.node.selected circle, .node.selected path {
+
+/* .selectedNode .node circle, .selectedNode .node path {
+    fill: lightgray !important;
+} */
+.selectedNode .node.selected circle, .selectedNode .node.selected path {
     fill: var(--selected-color) !important;
     stroke: var(--selected-color);
     stroke-width: 5px;
@@ -245,7 +254,7 @@ svg.zoomed.zoomed2 .node text.nodeTitle {
 
 .node.Institution circle, .node.Institution path {
     /* fill: lightcoral; */
-    fill: red;
+    fill: #11F999;
 }
 
 .node.Dataset circle, .node.Dataset path {
@@ -258,37 +267,37 @@ svg.zoomed.zoomed2 .node text.nodeTitle {
 }
 
 .node.Institution.Institution-company path{
-    fill: blue;
+    fill: #45F68A;
 }
 .node.Institution.Institution-government path{
-    fill: orange;
+    fill: #60F37B;
 }
 .node.Institution.Institution-local-government path{
-    fill: purple;
+    fill: #75F06D;
 }
 .node.Institution.Institution-law-enforcement path{
-    fill: seagreen;
+    fill: #87EC60;
 }
 .node.Institution.Institution-ngo path{
-    fill: yellow;
+    fill: #97E853;
 }
 .node.Institution.Institution-university path{
-    fill: pink;
+    fill: #A6E447;
 }
 .node.Institution.Institution-research path{
-    fill: fuchsia;
+    fill: #B4E03C;
 }
 .node.Institution.Institution-project path{
-    fill: rgb(0, 255, 255);
+    fill: #C1DB31;
 }
 .node.Institution.Institution-watchdog path{
-    fill: rgb(145, 255, 0);
+    fill: #CED628;
 }
 .node.Institution.Institution-expert-group path{
-    fill: rgb(149, 87, 161);
+    fill: #DAD121;
 }
 .node.Institution.Institution-foundation path{
-    fill: brown;
+    fill: #E5CB1E;
 }
 .node.Institution.Institution-international-organization path{
     fill: gray;
@@ -348,6 +357,13 @@ svg.zoomed.zoomed2 .node text.nodeTitle {
     border-radius: 5px;
     box-shadow: 2px 2px 5px rgba(0, 0, 0, .5);
 }
+#tooltip.link{
+
+}
+
+#tooltip .entity{
+    font-weight: bold;
+}
 
 #tooltip:not(.visible){
     position:absolute;

www/graph.js

@@ -22,6 +22,13 @@ const CONFIG = {
             "label": "Institution",
             "type": "categories",
         },
+        // TODO: nested filters
+        // TODO:restructure, allow for groups of types:
+        // [12:08, 07-05-2021] Francesco Ragazzi: Government / Regional / local can be the same
+        // [12:08, 07-05-2021] Francesco Ragazzi: Also IO
+        // [12:08, 07-05-2021] Francesco Ragazzi: NGO, Foundation can be grouped
+        // [12:08, 07-05-2021] Francesco Ragazzi: University, Research, Expert group can be grouped
+        // [12:08, 07-05-2021] Francesco Ragazzi: Watchdog and can also be grouped with government
         "Law Enforcement": {
             // "label": "Institution",
             "type": "institution_types",
@@ -95,8 +102,53 @@ const CONFIG = {
         "Software Deployed",
         "Software Developer",
         "Dataset Developer",
+        "Related Institutions",
+        "Involved Entities",
     ],
 
+    "link_labels": {
+        "Clients": {
+            "label": "is client of",
+            "swap": true,
+        },
+        "Managed by": {
+            "label": "manages",
+            "swap": true,
+        },
+        "Used by": {
+            "label": "uses",
+            "swap": true,
+        },
+        "Funded by": {
+            "label": "is funded by",
+            "swap": false,
+        },
+        "Provided by": {
+            "label": "provides",
+            "swap": true,
+        },
+        "Software Deployed": {
+            "label": "is used in",
+            "swap": true,
+        },
+        "Software Developer": {
+            "label": "is developed by",
+            "swap": false,
+        },
+        "Dataset Developer": {
+            "label": "develops dataset for",
+            "swap": true,
+        },
+        "Related Institutions": {
+            "label": "is related to",
+            "swap": true,
+        },
+        "Involved Entities": {
+            "label": "is involved in",
+            "swap": true,
+        },
+    }, 
+
     "geo_properties": [
         "Geolocation",
         "City Coordinates",
@@ -130,6 +182,17 @@ const CONFIG = {
     ]
 };
 
+
+function getLinkLabelConfig(linkName){
+    if(CONFIG.link_labels.hasOwnProperty(linkName)){
+        return CONFIG.link_labels[linkName];
+    }
+    return {
+        'label': linkName,
+        'swap': false,
+    }
+}
+
 // let width = window.innerWidth;
 // let height = window.innerHeight;
 
@@ -339,7 +402,7 @@ class NodeMap {
 
     render() {
         this.svg = this.root.append('svg')
-        this.svg.append('defs').html(`<marker markerHeight="4" markerWidth="4" refY="0" refX="6" viewBox="0 -3 8 6" preserveAspectRatio="none" orient="auto" id="arrowHead" ><path d="M0,-3L8,0L0,3"></path></marker><marker markerHeight="4" markerWidth="4" refY="0" refX="6" viewBox="0 -3 8 6" preserveAspectRatio="none" orient="auto" id="arrowHeadSelected"><path d="M0,-3L8,0L0,3"></path></marker><marker markerHeight="4" markerWidth="4" refY="0" refX="6" viewBox="0 -3 8 6" preserveAspectRatio="none" orient="auto" id="arrowHeadSelectedRelated"><path d="M0,-3L8,0L0,3"></path></marker>
+        this.svg.append('defs').html(`<marker markerHeight="3" markerWidth="3" refY="0" refX="6" viewBox="0 -3 8 6" preserveAspectRatio="none" orient="auto" id="arrowHead" ><path d="M0,-3L8,0L0,3"></path></marker><marker markerHeight="3" markerWidth="3" refY="0" refX="6" viewBox="0 -3 8 6" preserveAspectRatio="none" orient="auto" id="arrowHeadSelected"><path d="M0,-3L8,0L0,3"></path></marker><marker markerHeight="3" markerWidth="3" refY="0" refX="6" viewBox="0 -3 8 6" preserveAspectRatio="none" orient="auto" id="arrowHeadSelectedRelated"><path d="M0,-3L8,0L0,3"></path></marker>
         <!--Sketching:-->
         <defs>
           <filter id="tint">
@@ -443,6 +506,7 @@ class NodeMap {
                 if (zoomTimeout) {
                     clearTimeout(zoomTimeout)
                 }
+                document.querySelector(':root').style.setProperty('--zoom', evt.transform.k);
                 zoomTimeout = setTimeout(() => {
                     this.g_nodes.attr('style', `font-size:${22000 / this.height / evt.transform.k}pt`)
                     setTimeout(() => {
@@ -517,7 +581,6 @@ class NodeMap {
 
         this.graph.nodes.forEach((d) => {
             for (const prop of CONFIG.geo_properties) {
-
                 // console.log(this,d.printouts, prop)
                 if (d.printouts[prop].length) {
                     // console.log("fix node", d);
@@ -667,8 +730,15 @@ class NodeMap {
     }
 
     showTooltip(el, node, links) {
-        // TODO: make links optional (otherwise collect links here)
+        if(el.tagName != 'path'){
+            let parentEl =  el.parentNode;
+            if(parentEl.tagName != 'g'){
+                parentEl = parentEl.parentNode;
+            }
+            el = parentEl.querySelector('path');
+        }
         
+        // TODO: make links optional (otherwise collect links here)
         this.tooltipEl.innerHTML = `
         <span class='category'>${getCategories(node)[0]}</span>
         <h3>${node.fulltext}</h3>
@@ -685,11 +755,46 @@ class NodeMap {
         this.tooltipEl.style.left = (rect.left + rect.width / 2 - rectTT.width / 2) + 'px';
         // console.log(el, node, rect.top);
 
-        this.tooltipEl.classList.add('visible');
+        this.tooltipEl.classList.add('visible', 'node');
+    }
+
+    showRelationTooltip(link, evt) {
+        const {label, swap} = getLinkLabelConfig(link.name);
+        if(swap){
+            this.tooltipEl.innerHTML = `
+            <span class='relation'>
+                <span class='entity'>${link.target.fulltext}</span>
+                ${label}
+                <span class='entity'>${link.source.fulltext}</span>
+            </span>
+            `;
+        } else {
+            this.tooltipEl.innerHTML = `
+            <span class='relation'>
+                <span class='entity'>${link.source.fulltext}</span>
+                ${label}
+                <span class='entity'>${link.target.fulltext}</span>
+            </span>
+            `;
+        }
+
+        const rectTT = this.tooltipEl.getBoundingClientRect();
+
+        this.trackerEv = (evt) => {
+            this.tooltipEl.style.top = (evt.clientY - rectTT.height - 10) + 'px';
+            this.tooltipEl.style.left = (evt.clientX - rectTT.width / 2) + 'px';
+        };
+        window.addEventListener('mousemove', this.trackerEv);
+
+        this.tooltipEl.classList.add('visible', 'link');
     }
 
     hideTooltip() {
-        this.tooltipEl.classList.remove('visible');
+        this.tooltipEl.classList.remove('visible', 'node', 'link');
+        if(this.trackerEv){
+            window.removeEventListener('mousemove', this.trackerEv);
+            this.trackerEv = null;
+        }
     }
 
     selectNode(node) {
@@ -714,7 +819,7 @@ class NodeMap {
         connectedNodes.forEach(n => document.getElementById(n.id).classList.add('linkedSelected'));
         links.forEach(l => document.getElementById(getLinkId(l)).classList.add('linkedSelected'));
 
-
+        this.container.classed('selectedNode', true);
         // TODO: show details;
 
         // alert('not yet implemented');
@@ -730,6 +835,7 @@ class NodeMap {
         while (els.length) {
             els[0].classList.remove('linkedSelected');
         }
+        this.container.classed('selectedNode', false);
     }
 
     update() {
@@ -779,7 +885,10 @@ class NodeMap {
                     .attr('d', (n) => {
                         return getSymbolForNode(n)(n);
                     })
-                var nodeTitle = group.append('text').attr("class", "nodeTitle").attr("y", "3").attr('x', 5);
+                var nodeTitle = group.append('text').attr("class", "nodeTitle").attr("y", "4").attr('x', 5);
+                // nodeTitle.on('mouseover', (evt, n) =>{
+                //     console.log(evt,n)
+                // });
                 nodeTitle
                     .each(function (node, i, nodes) {
                         var textLength = void 0;
@@ -790,7 +899,7 @@ class NodeMap {
                             titleTexts = splitText(titleText);
                         }
                         if (titleTexts !== false) {
-                            const tspan1 = self.append("tspan").text(titleTexts[0]).attr("y", "3").attr("x", "5");
+                            const tspan1 = self.append("tspan").text(titleTexts[0]).attr("y", "4").attr("x", "5");
                             const tspan = self.append("tspan").text(titleTexts[1]).attr("dy", "1em").attr("x", "5");
                             // const textLength1 = tspan.node().getComputedTextLength();
                             // const textLength2 = tspan.node().getComputedTextLength();
@@ -873,8 +982,8 @@ class NodeMap {
                     group.append("path")
                         .attr("marker-end", "url(#arrowHead)")
                         .attr('id', (d, i) => 'linkpath_' + i)
-                        .on("mouseover", function (ev, link) {
+                        .on("mouseover", (ev, link) => {
-                            d3.select(this).classed('hover', true);
+                            d3.select(ev.target).classed('hover', true);
                             const nodes = document.getElementsByClassName('node');
                             for (let n of nodes) {
                                 const d = d3.select(n).datum();
@@ -882,9 +991,13 @@ class NodeMap {
                                     n.classList.add('linkHover');
                                 }
                             }
+
+                            this.showRelationTooltip(link, ev);
+                            
                             // console.log(l);
-                        }).on("mouseout", function (ev, link) {
+                        }).on("mouseout", (ev, link) => {
-                            d3.select(this).classed('hover', false);
+                            this.hideTooltip();
+                            d3.select(ev.target).classed('hover', false);
                             const nodes = document.getElementsByClassName('linkHover');
                             while (nodes.length) {
                                 nodes[0].classList.remove('linkHover');

www/index.html

@@ -3,7 +3,7 @@
 <head>
     <meta charset="utf-8">
     <link rel="stylesheet" href="graph.css">
-
+    <title>Remote Biometric Identification | A survey of the European Union</title>
 </head>
 
 <body>
@@ -18,7 +18,7 @@
 
 
         <aside id="filters">
-            <h3>Legend</h3>
+            <h3>Filter</h3>
         </aside>
 
     </header>