first commit

helix/javascript/array_summary/subarray_display.js

@@ -0,0 +1,49 @@
+class SubarrayDisplay {
+  init(currentSeismicCountSelector, neededAnchorSelector, weightSelector, panelData) {
+    this.currentSeismicCountSelector = currentSeismicCountSelector;
+    this.neededAnchorSelector = neededAnchorSelector;
+    this.weightSelector = weightSelector;
+    this.didModifyPanels(panelData);
+  }
+
+  didModifyPanels(panelData) {
+    let seismicCount = this.computeSeismicAnchorCounts(panelData);
+
+    this.assignSeismicCountItems(seismicCount);
+  }
+
+  didUpdateSubarrayData(subarrayData) {
+    for (let i = 0; i < subarrayData.length; i++) {
+      let data = subarrayData[i];
+      let subarray = i + 2;
+      let neededAnchors = data.required_seismic_anchors;
+      let weight = data.weight;
+      this.neededAnchorSelector.find('td:nth-child(' + subarray + ')').text(neededAnchors);
+      this.weightSelector.find('td:nth-child(' + subarray + ')').text(weight.toLocaleString());
+    }
+  }
+
+  computeSeismicAnchorCounts(panelData) {
+    let seismicCount = {};
+    for (let i = 0; i < panelData.length; i++) {
+      let panel = panelData[i].data;
+      if (seismicCount[panel.subarray] === undefined) {
+        seismicCount[panel.subarray] = 0;
+      }
+      seismicCount[panel.subarray] += panel.seismic_anchors;
+    }
+
+    return seismicCount
+  }
+
+  assignSeismicCountItems(seismicAnchorCounts) {
+    for (var subarray in seismicAnchorCounts) {
+      if (seismicAnchorCounts.hasOwnProperty(subarray)) {
+        const childId = parseInt(Object.keys(seismicAnchorCounts).indexOf(subarray)) + 2;
+        this.currentSeismicCountSelector.find(`td:nth-child(${childId})`).text(seismicAnchorCounts[subarray]);
+      }
+    }
+  }
+}
+
+export default SubarrayDisplay;