OHIF-110: creating the context-menu for measurements in the viewport for desktop and mobile. Coded action delete (#112)

Packages/ohif-viewerbase/client/components/viewer/toolContextMenu/toolContextMenu.js

@@ -0,0 +1,70 @@
+import { Template } from 'meteor/templating';
+import { ReactiveVar } from 'meteor/reactive-var';
+import { toolManager } from '../../../lib/toolManager';
+
+const toolTypes = ['length', 'simpleAngle', 'probe', 'ellipticalRoi', 'rectangleRoi', 'arrowAnnotate'];
+const TypeToLabelMap = {
+    length: 'Length',
+    simpleAngle: 'Angle',
+    probe: 'Probe',
+    ellipticalRoi: 'Elliptical ROI',
+    rectangleRoi: 'Rectangle ROI',
+    arrowAnnotate: 'Annotation'
+};
+let dropdownItems = [{
+    actionType: 'Delete',
+    action: ({nearbyToolData, eventData}) => {
+        const element = eventData.element
+
+        cornerstoneTools.removeToolState(element, nearbyToolData.toolType, nearbyToolData.tool);
+        cornerstone.updateImage(element);
+    }
+}];
+let timer = 0;
+
+const getTypeText = function(toolData, actionType) {
+    const toolType = toolData.toolType;
+    let message = `${TypeToLabelMap[toolType]}`;
+
+    if (toolType === 'arrowAnnotate') {
+        message = `${message} "${toolData.tool.text}"`
+    }
+
+    return `${actionType} ${message}`;
+};
+
+const createDropdown = function (event, eventData, isTouchEvent = false) {
+    const nearbyToolData = toolManager.getNearbyToolData(eventData.element, eventData.currentPoints.canvas, toolTypes);
+
+    // Annotate tools for touch events already have a press handle to edit it, has a better UX for deleting it
+    if (isTouchEvent && nearbyToolData.toolType === 'arrowAnnotate') {
+      return;
+    }
+
+    if (nearbyToolData) {
+        dropdownItems.forEach(function(item) {
+            item.params = {
+                eventData,
+                nearbyToolData
+            };
+            item.text = getTypeText(nearbyToolData, item.actionType);
+        });
+
+        OHIF.ui.showDropdown(dropdownItems, {
+            menuClasses: 'dropdown-menu-left',
+            event: eventData.event
+        });
+    }
+};
+
+Template.viewerMain.events({
+    'CornerstoneToolsMouseClick .imageViewerViewport'(event, instance, eventData) {
+        if (event.which === 3) {
+            createDropdown(event, eventData);
+        }
+    },
+
+    'CornerstoneToolsTouchPress .imageViewerViewport'(event, instance, eventData) {
+        createDropdown(event, eventData, true);
+    }
+});