Update qlik-network-chart.qext

Update qlik-network-chart.qext

gulpfile.js

@@ -17,6 +17,10 @@ gulp.task('zip-build', function(){
     .pipe(gulp.dest(settings.buildDestination));
 });
 
+gulp.task('add-assets', function(){
+  return gulp.src("./assets/**/*").pipe(gulp.dest(settings.buildDestination));
+});
+
 gulp.task('webpack-build', done => {
   webpack(webpackConfig, (error, statistics) => {
     const compilationErrors = statistics && statistics.compilation.errors;
@@ -42,7 +46,7 @@ gulp.task('update-qext-version', function () {
 });
 
 gulp.task('build',
-  gulp.series('remove-build-folder', 'webpack-build', 'update-qext-version', 'zip-build')
+  gulp.series('remove-build-folder', 'webpack-build', 'update-qext-version', 'add-assets', 'zip-build')
 );
 
 gulp.task('watch', () => new Promise((resolve, reject) => {

karma.conf.js

@@ -19,6 +19,14 @@ module.exports = (config) => {
     webpack: {
       devtool: 'source-map',
       mode: settings.mode,
+      externals: {
+        qlik: {
+          amd: 'qlik',
+          commonjs: 'qlik',
+          commonjs2: 'qlik',
+          root: '_'
+        }
+      },
       module: {
         rules: [
           {

readme.md

@@ -31,6 +31,9 @@ The measures are optional
 QVF based on characters from Victor Hugo's novel , Les Misérables.
 ![Network chart](resources/network_chart_v1.png)
 
+### Data Limit
+Starts having issues stabilizing(transforming into untangled view) at around 100-200 nodes depending on dataset.
+
 
 # Getting Started
 

src/index.js

@@ -7,6 +7,7 @@ Use at your own risk.
 */
 import "@babel/polyfill";
 import paint from './paint';
+import './styles/main.less';
 
 const component = {
   initialProperties: {
@@ -21,30 +22,41 @@ const component = {
     }
   },
   //property panel
+  data: {
+    dimensions: {
+      min: 4,
+      max: 4
+      /*
+      1. Dimension: Node ID, numeric (Event ID or else) or String
+      2. Dimension: Node Label
+      3. Dimension: Node Parent ID, numeric (Event ID or else) or String
+      4. Dimension: Node Cluster
+      */
+    },
+    measures: {
+      min: 0,
+      max: 3
+      /*
+      1. Measure: title text for tooltip (optional)
+      2. Measure: node value
+      3. Measure: edge value
+      */
+    }
+  },
   definition: {
     type: "items",
     component: "accordion",
     items: {
-      dimensions: {
-        uses: "dimensions",
-        min: 4,
-        max: 4
-        /*
-        1. Dimension: Node ID, numeric (Event ID or else) or String
-        2. Dimension: Node Label
-        3. Dimension: Node Parent ID, numeric (Event ID or else) or String
-        4. Dimension: Node Cluster
-        */
-      },
-      measures: {
-        uses: "measures",
-        min: 0,
-        max: 3
-        /*
-        1. Measure: title text for tooltip (optional)
-        2. Measure: node value
-        3. Measure: edge value
-        */
+      data: {
+        uses: "data",
+        items:{
+          dimensions:{
+            disabledRef: ""
+          },
+          measures: {
+            disabledRef: ""
+          }
+        }
       },
       sorting: {
         uses: "sorting"
@@ -58,13 +70,14 @@ const component = {
         }
       },
       settings: {
-        uses: "settings",
+        type: "items",
+        label: "Settings",
         items: {
           edgeType: {
             ref: "edgeType",
             type: "string",
             component: "dropdown",
-            label: "Egde Type",
+            label: "Edge Type",
             options: [
               { value: 'dynamic' },
               { value: 'continuous' },

src/paint.js

@@ -1,19 +1,31 @@
 import { Network } from 'vis/index-network';
+import qlik from 'qlik';
+import { createTooltipHTML } from './tooltip';
+import { escapeHTML } from './utilities';
+
+const colorScheme = 'Diverging Classes';
 
 function isTextCellNotEmpty(c) {
   return (c.qText && !(c.qIsNull || c.qText.trim() == ''));
 }
 
-function paint ( $element, layout ) {
-  var _this = this,
-    qData = layout.qHyperCube.qDataPages[0],
+function paint ( $element, layout, qTheme, component ) {
+  const colorScale = qTheme.properties.scales
+    .find(scale => scale.name === colorScheme).scale;
+  const colors = colorScale[colorScale.length - 1];
+
+  function getColor (number) {
+    return colors[number % colors.length];
+  }
+
+  var qData = layout.qHyperCube.qDataPages[0],
     id = layout.qInfo.qId,
     containerId = 'network-container_' + id;
 
-
   if(qData && qData.qMatrix) {
     $element.empty().append($('<div />')
       .attr({ id: containerId })
+      .toggleClass('is-edit-mode', component.inEditState())
       .css({
         height: $element.height(),
         width: $element.width(),
@@ -21,20 +33,30 @@ function paint ( $element, layout ) {
       }));
 
     var dataSet = qData.qMatrix.map(function(e){
-      var dataItem = {
+      const nodeName = e[1].qText;
+      const groupNumber = e[3].qText;
+
+      const dataItem = {
         id: e[0].qNum,
-        label: e[1].qText,
-        group: e[3].qText,
+        label: nodeName,
+        group: groupNumber,
         parentid : e[2].qNum
       };
 
       // optional measures set
       if (e.length > 4) {
-        // tooltip
-        if (isTextCellNotEmpty(e[4])) {
-          dataItem.title = e[4].qText;
+        const tooltip = e[4];
+
+        if (isTextCellNotEmpty(tooltip)) {
+          const tooltipText = tooltip.qText;
+          dataItem.title = escapeHTML(tooltipText);
         } else {
-          dataItem.title = "*** Default Tooltip ***" + "<BR/>" + "Name:" + e[1].qText + "<BR/>" + "Group:" + e[3].qText;
+          const nodeMeasure = e[5].qText;
+          dataItem.title = createTooltipHTML({
+            name: nodeName,
+            groupNumber,
+            nodeMeasure
+          });
         }
       }
 
@@ -59,12 +81,22 @@ function paint ( $element, layout ) {
     var uniqueId = [];
     var nodes = [];
     var edges = [];
+    const groups = {};
 
     for(let i = 0; i< dataSet.length; i++){
       if (layout.displayEdgeLabel) {
-        edges.push( { "from":dataSet[i].id, "to":dataSet[i].parentid, "value":dataSet[i].edgeValue, "label":dataSet[i].edgeValue } ); // with labels
+        edges.push({
+          "from":dataSet[i].id,
+          "to":dataSet[i].parentid,
+          "value":dataSet[i].edgeValue,
+          "label": `${dataSet[i].edgeValue}`
+        }); // with labels
       } else {
-        edges.push( { "from":dataSet[i].id, "to":dataSet[i].parentid, "value":dataSet[i].edgeValue } ); // create edges
+        edges.push({
+          "from":dataSet[i].id,
+          "to":dataSet[i].parentid,
+          "value":dataSet[i].edgeValue
+        }); // create edges
       }
 
       // process uniqueness
@@ -72,13 +104,16 @@ function paint ( $element, layout ) {
         uniqueId.push(dataSet[i].id);
 
         var nodeItem = {
-          "id": dataSet[i].id,
-          "label": dataSet[i].label,
-          "title": dataSet[i].title,
-          "group": dataSet[i].group,
-          "value": dataSet[i].nodeValue
+          id: dataSet[i].id,
+          label: dataSet[i].label,
+          title: dataSet[i].title,
+          group: dataSet[i].group,
+          value: dataSet[i].nodeValue
         };
         nodes.push(nodeItem); // create node
+        groups[nodeItem.group] = {
+          color: getColor(nodeItem.group)
+        };
       }
     }
 
@@ -92,6 +127,7 @@ function paint ( $element, layout ) {
     var container = document.getElementById(containerId);
 
     var options = {
+      groups: groups,
       layout: {
         randomSeed: 1
       },
@@ -126,6 +162,7 @@ function paint ( $element, layout ) {
       }
     };
     var network = new Network(container, data, options);
+    network.fit();
 
     // Handle Selection on 1-node
     $("#"+containerId).css('cursor','default');
@@ -139,11 +176,24 @@ function paint ( $element, layout ) {
           connectedNodes.push(properties.nodes[0]);
 
           //Make the selections
-          _this.backendApi.selectValues(0,connectedNodes,false);
+          component.backendApi.selectValues(0,connectedNodes,false);
         }
       }
     });
   }
 }
 
-export default paint;
+function themePaint ($element, layout) {
+  const component = this;
+  try {
+    const app = qlik.currApp(this);
+
+    app.theme.getApplied().then( function( qTheme ) {
+      paint($element, layout, qTheme, component);
+    });
+  } catch (exception) {
+    console.error(exception); // eslint-disable-line no-console
+  }
+}
+
+export default themePaint;

src/qlik-network-chart.qext

@@ -1,7 +1,7 @@
 {
 	"name" : "Network chart",
-	"description" : "Network chart",
-	"icon" : "extension",
+	"description" : "Display hierarchical or relational dimensions as nodes and edges, adding measures to show the significance of the links.",
+	"icon" : "bubbles",
 	"type" : "visualization",
 	"version": "X.Y.Z",
 	"preview" : "network.png",

src/styles/main.less

@@ -0,0 +1,13 @@
+.is-edit-mode > div {
+  pointer-events: none;
+}
+
+.vis-tooltip {
+  position: absolute;
+  background-color: #333;
+  opacity: 0.95;
+  border-radius: 5px;
+  color: #eee;
+  padding: 10px;
+  max-width: 200px;
+}

src/tooltip.js

@@ -0,0 +1,28 @@
+function createEntry(header, value) {
+  const entry = document.createElement('div');
+  const nameHeader = document.createElement('span');
+  const nameHeaderValue = document.createTextNode(header);
+  const nameValueContainer = document.createElement('b');
+  const nameValue = document.createTextNode(value);
+
+  nameHeader.appendChild(nameHeaderValue);
+  nameValueContainer.appendChild(nameValue);
+
+  entry.appendChild(nameHeader);
+  entry.appendChild(nameValueContainer);
+
+  return entry;
+}
+
+export function createTooltipHTML({ name, groupNumber, nodeMeasure }) {
+  const tooltip = document.createElement('div');
+  const nameEntry = createEntry('Name: ', name);
+  const groupNumberEntry = createEntry('Group number: ', groupNumber);
+  const nodeMeasureEntry = createEntry('Node measure: ', nodeMeasure);
+
+  tooltip.appendChild(nameEntry);
+  tooltip.appendChild(groupNumberEntry);
+  tooltip.appendChild(nodeMeasureEntry);
+
+  return tooltip.innerHTML;
+}

src/utilities.js

@@ -0,0 +1,5 @@
+export function escapeHTML(str){
+  var span = document.createElement('span');
+  span.appendChild(document.createTextNode(str));
+  return span.innerHTML;
+}

webpack.config.js

@@ -16,6 +16,14 @@ const config = {
     filename: settings.name + '.js',
     libraryTarget: 'umd'
   },
+  externals: {
+    qlik: {
+      amd: 'qlik',
+      commonjs: 'qlik',
+      commonjs2: 'qlik',
+      root: '_'
+    }
+  },
   module: {
     rules: [
       {