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Packages/cornerstone/client/measurementManagerExample.js

@@ -0,0 +1,57 @@
+// Example usage for something like RECIST
+var tumourLengthMeasurementManager = cornerstoneTools.MeasurementManager;
+function singleValidator(measurement) {
+    var result = {
+        isValid: true
+    };
+    if (measurement.distance < 10) {
+        result.isValid = false;
+        result.details = 'Measurement distance must be less than 10 mm';
+    }
+    return result;
+}
+
+function setValidator(measurements) {
+    var result = {
+        isValid: true
+    };
+    if (measurements.length > 2) {
+        result.isValid = false;
+        result.details = 'The number of measurements per image must be less than 2';
+    }
+    return result;
+}
+
+// Or a remote call
+function remoteSetValidator(measurements) {
+    var deferred = $.Deferred;
+
+    var result = {
+        isValid: true,
+        promise: deferred.promise()
+    };
+    
+    var xhr = new XMLHttpRequest();
+    xhr.onreadystatechange = function() {
+        if (xhr.readyState == 4) {
+            if (xhr.status == 200) {
+                var response = JSON.parse(xhr.response);
+                if (response.isValid) {
+                    deferred.resolve(xhr.responseText);
+                } else {
+                    deferred.reject(xhr.responseText);
+                }
+            } else {
+                // The request didn't succeed
+                deferred.reject(xhr.responseText);
+            }
+        }
+    };
+    xhr.open("POST", "/urlToValidateRECIST", true);
+    xhr.send(measurements);
+
+    return result;
+}
+
+tumourLengthMeasurementManager.setSingleMeasurementValidator(singleValidator);
+tumourLengthMeasurementManager.setMeasurementSetValidator(setValidator);