added icons for scale values selection mode

webprotege-gwt-ui-client/src/main/java/edu/stanford/bmir/protege/web/client/postcoordination/scaleValuesCard/ScaleAllowMultiValue.java

@@ -1,18 +1,33 @@
 package edu.stanford.bmir.protege.web.client.postcoordination.scaleValuesCard;
 
+import com.google.gwt.resources.client.DataResource;
+
+import javax.annotation.Nullable;
+import java.util.Optional;
+
+import static edu.stanford.bmir.protege.web.resources.WebProtegeClientBundle.BUNDLE;
+
 public enum ScaleAllowMultiValue {
-    NotAllowed("This does not allow multiple values"),
-    AllowAlways("This always allows multiple values"),
-    AllowedExceptFromSameBlock("This allows multiple values except from the same block");
+    NotAllowed(Optional.of(BUNDLE.singleScaleValue()), "In the Coding Tool, this axis allows the selection of multiple values"),
+    AllowAlways(Optional.of(BUNDLE.multipleScaleValues()),"In the Coding Tool, this axis allows the section of a single value"),
+    AllowedExceptFromSameBlock(Optional.of(BUNDLE.scaleValueFromSameBlock()),"In the Coding Tool, this axis allows the selection of multiple values, but only one value from each block");
 
-    private final String description;
+    private final String tooltip;
+
+    @Nullable
+    private transient DataResource image;
+
+    ScaleAllowMultiValue(Optional<DataResource> image, String tooltip) {
+        this.tooltip = tooltip;
+        this.image = image.orElse(null);
+    }
 
-    ScaleAllowMultiValue(String description) {
-        this.description = description;
+    public String getTooltip() {
+        return tooltip;
     }
 
-    public String getBrowserText() {
-        return description;
+    public Optional<DataResource> getImage() {
+        return Optional.ofNullable(image);
     }
 
     public static ScaleAllowMultiValue fromString(String value) {

webprotege-gwt-ui-client/src/main/java/edu/stanford/bmir/protege/web/client/postcoordination/scaleValuesCard/ScaleValueCardPresenter.java

@@ -41,7 +41,7 @@ private void bindView() {
 
     private void initTable() {
         view.clearTable();
-        view.addHeader(postCoordinationAxis.getScaleLabel(), scaleValue.getGenericScale().getAllowMultiValue().getBrowserText());
+        view.addHeader(postCoordinationAxis.getScaleLabel(), scaleValue.getGenericScale().getAllowMultiValue());
         view.addSelectValueButton();
 
         dispatchServiceManager.execute(GetRenderedOwlEntitiesAction.create(projectId, new HashSet<>(scaleValue.getValueIris())),

webprotege-gwt-ui-client/src/main/java/edu/stanford/bmir/protege/web/client/postcoordination/scaleValuesCard/ScaleValueCardView.java

@@ -9,7 +9,7 @@ public interface ScaleValueCardView extends IsWidget {
 
     void clearTable();
 
-    void addHeader(String headerText, String description);
+    void addHeader(String headerText, ScaleAllowMultiValue scaleAllowMultiValue);
 
     void addRow(String value) ;
 

webprotege-gwt-ui-client/src/main/java/edu/stanford/bmir/protege/web/client/postcoordination/scaleValuesCard/ScaleValueCardViewImpl.java

@@ -57,10 +57,27 @@ public void clearTable() {
     }
 
     @Override
-    public void addHeader(String headerText, String description) {
+    public void addHeader(String headerText, ScaleAllowMultiValue scaleAllowMultiValue) {
         GWT.log("Adding header. Current row count: " + valueTable.getRowCount());
-
-        headerHtml = new HTML("<span class=\"" + postCoordinationStyle.toggleIcon() + "\">" + collapseIcon + "</span> " + headerText + spaceSymbol + "<span class=\"" + postCoordinationStyle.scaleValueHeaderDescription() + "\">(" + description + ")</span>");
+        String imageUri = "";
+        if (scaleAllowMultiValue.getImage().isPresent()) {
+            imageUri = scaleAllowMultiValue.getImage().get().getSafeUri().asString();
+        }
+        StringBuilder sb = new StringBuilder();
+        sb.append("<span class=\"")
+                .append(postCoordinationStyle.toggleIcon())
+                .append("\">")
+                .append(collapseIcon)
+                .append("</span> ")
+                .append(headerText)
+                .append(spaceSymbol)
+                .append("<img src='")
+                .append(imageUri)
+                .append("' title='")
+                .append(scaleAllowMultiValue.getTooltip())
+                .append("'/>");
+
+        headerHtml = new HTML(sb.toString());
 
         valueTable.setWidget(0, 0, headerHtml);
         valueTable.getFlexCellFormatter().setColSpan(0, 0, 2);

webprotege-gwt-ui-client/src/main/java/edu/stanford/bmir/protege/web/resources/WebProtegeClientBundle.java

@@ -315,6 +315,18 @@ public interface WebProtegeClientBundle extends ClientBundle {
     @Source("primitive-data.css")
     WebProtegePrimitiveDataCss primitiveData();
 
+    @Source("single.svg")
+    @DataResource.MimeType("image/svg+xml")
+    DataResource singleScaleValue();
+
+    @Source("multiple.svg")
+    @DataResource.MimeType("image/svg+xml")
+    DataResource multipleScaleValues();
+
+    @Source("block.svg")
+    @DataResource.MimeType("image/svg+xml")
+    DataResource scaleValueFromSameBlock();
+
     interface WebProtegePrimitiveDataCss extends CssResource {
 
         @ClassName("wp-pd")