From 89a8c43e86c91d2cbf353ef9b444ec3d7dc567d5 Mon Sep 17 00:00:00 2001
From: zepumph <michael.kauzmann@colorado.edu>
Date: Mon, 4 Nov 2019 15:42:35 -0900
Subject: [PATCH] add edge alerts for min/max mass interaction attempt,
 https://github.com/phetsims/gravity-force-lab/issues/155

---
 js/ISLCA11yStrings.js                |  5 ++++-
 js/view/describers/ForceDescriber.js | 22 ++++++++++++++++------
 2 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/js/ISLCA11yStrings.js b/js/ISLCA11yStrings.js
index 31827b7..b7180b0 100644
--- a/js/ISLCA11yStrings.js
+++ b/js/ISLCA11yStrings.js
@@ -66,8 +66,11 @@ define( require => {
     forceMagnitude: {
       value: 'Force magnitude'
     },
+    forceVectorSizePattern: {
+      value: '{{forceVector}} is {{size}}'
+    },
     forceAndVectorPattern: {
-      value: '{{forceVector}} is {{size}}, and points directly at {{otherObjectLabel}}.'
+      value: '{{forceVectorSize}}, and points directly at {{otherObjectLabel}}.'
     },
     forceVector: {
       value: 'Force vector'
diff --git a/js/view/describers/ForceDescriber.js b/js/view/describers/ForceDescriber.js
index acb4b50..30ece53 100644
--- a/js/view/describers/ForceDescriber.js
+++ b/js/view/describers/ForceDescriber.js
@@ -27,6 +27,7 @@ define( require => {
   const summaryVectorSizeValueUnitsPatternString = ISLCA11yStrings.summaryVectorSizeValueUnitsPattern.value;
   const forceVectorMagnitudeUnitsPatternString = ISLCA11yStrings.forceVectorMagnitudeUnitsPattern.value;
   const forceAndVectorPatternString = ISLCA11yStrings.forceAndVectorPattern.value;
+  const forceVectorSizePatternString = ISLCA11yStrings.forceVectorSizePattern.value;
   const robotPullSummaryPatternString = ISLCA11yStrings.robotPullSummaryPattern.value;
   const robotPushSummaryPatternString = ISLCA11yStrings.robotPushSummaryPattern.value;
   const vectorsString = ISLCA11yStrings.vectors.value;
@@ -166,7 +167,7 @@ define( require => {
       this.forceVectorMagnitudeUnitsPatternString = StringUtils.fillIn( forceVectorMagnitudeUnitsPatternString, {
         forceMagnitude: options.forceMagnitudeString
       } );
-      this.forceAndVectorPatternString = StringUtils.fillIn( forceAndVectorPatternString, {
+      this.forceVectorSizePatternString = StringUtils.fillIn( forceVectorSizePatternString, {
         forceVector: options.forceVectorString
       } );
 
@@ -228,6 +229,17 @@ define( require => {
       } );
     }
 
+    /**
+     * Get the size of the vectors clause.
+     * @public
+     * @returns {string}
+     */
+    getForceVectorSize() {
+      return StringUtils.fillIn( this.forceVectorSizePatternString, {
+        size: this.getVectorSize()
+      } );
+    }
+
     /**
      * @param {string} thisObjectLabel
      * @param {string} otherObjectLabel
@@ -235,13 +247,11 @@ define( require => {
      * @public
      */
     getForceBetweenAndVectorText( thisObjectLabel, otherObjectLabel ) {
-      const pattern = this.forceAndVectorPatternString;
-      const fillObject = {
+      return StringUtils.fillIn( forceAndVectorPatternString, {
         thisObjectLabel: thisObjectLabel,
         otherObjectLabel: otherObjectLabel,
-        size: this.getVectorSize()
-      };
-      return StringUtils.fillIn( pattern, fillObject );
+        forceVectorSize: this.getForceVectorSize()
+      } );
     }
 
     /**