activity-direction icons: add to keyword and add internal-icon

.liquibase/Data_alias/basic/2019.2/AditoBasic/ActivityDirectionKeyword_add_icon_attr.xml

+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.6.xsd">
+    <changeSet author="j-hoermann" id="1599ef6a-6293-40e3-8d6c-6ddfe1028e5e">
+        <insert tableName="AB_KEYWORD_ATTRIBUTE">
+            <column name="AB_KEYWORD_ATTRIBUTEID" value="e187a585-9ab1-4dd4-a2e9-2db14d4cc3a7"/>
+
+            <column name="NAME" value="icon"/>
+            <column name="CONTAINER" value="ActivityDirection"/>
+            <column name="TYPE" value="CHAR_VALUE"/>
+        </insert>
+        <insert tableName="AB_KEYWORD_ATTRIBUTERELATION">
+            <column name="AB_KEYWORD_ATTRIBUTERELATIONID" value="7770bafa-22f0-4a74-a2cf-5001b620a4b2"/>
+            <column name="AB_KEYWORD_ENTRY_ID" value="c564719a-18ef-4b9e-b130-dde8b2b518ad"/>
+            <column name="AB_KEYWORD_ATTRIBUTE_ID" value="e187a585-9ab1-4dd4-a2e9-2db14d4cc3a7"/>
+            <column name="CHAR_VALUE" value="VAADIN:ARROW_BACKWARD"/>
+        </insert>
+        <insert tableName="AB_KEYWORD_ATTRIBUTERELATION">
+            <column name="AB_KEYWORD_ATTRIBUTERELATIONID" value="d2ad222a-7a5f-4d4d-ae8c-578ad3359d24"/>
+            <column name="AB_KEYWORD_ENTRY_ID" value="6f4c6e49-36ca-4b91-ba83-c507203e1eac"/>
+            <column name="AB_KEYWORD_ATTRIBUTE_ID" value="e187a585-9ab1-4dd4-a2e9-2db14d4cc3a7"/>
+            <column name="CHAR_VALUE" value="VAADIN:ARROW_FORWARD"/>
+        </insert>
+        <insert tableName="AB_KEYWORD_ATTRIBUTERELATION">
+            <column name="AB_KEYWORD_ATTRIBUTERELATIONID" value="e82923a6-5245-4d42-871b-91df297bc2ee"/>
+            <column name="AB_KEYWORD_ENTRY_ID" value="bb386131-ee36-4835-b458-6751f137a941"/>
+            <column name="AB_KEYWORD_ATTRIBUTE_ID" value="e187a585-9ab1-4dd4-a2e9-2db14d4cc3a7"/>
+            <column name="CHAR_VALUE" value="VAADIN:SHOP"/>
+        </insert>
+    </changeSet>
+</databaseChangeLog>
\ No newline at end of file

.liquibase/Data_alias/basic/2019.2/changelog.xml

@@ -154,4 +154,6 @@
     <include relativeToChangelogFile="true" file="CampaignManagement/create_campaignStepState.xml"/>
     <include relativeToChangelogFile="true" file="CampaignManagement/create_campaignCost.xml"/>
     <include relativeToChangelogFile="true" file="CampaignManagement/create_campaignCostCategory.xml"/>
+    
+    <include relativeToChangelogFile="true" file="AditoBasic/ActivityDirectionKeyword_add_icon_attr.xml"/>
 </databaseChangeLog>

entity/Activity_entity/Activity_entity.aod

@@ -6,6 +6,7 @@
   <documentation>%aditoprj%/entity/Activity_entity/documentation.adoc</documentation>
   <afterUiInit>%aditoprj%/entity/Activity_entity/afterUiInit.js</afterUiInit>
   <iconId>NEON:HISTORY</iconId>
+  <image>VAADIN:SHOP</image>
   <imageProcess>%aditoprj%/entity/Activity_entity/imageProcess.js</imageProcess>
   <recordContainer>db</recordContainer>
   <entityFields>

entity/Activity_entity/entityfields/direction_icon/valueProcess.js

@@ -2,20 +2,30 @@ import("system.vars");
 import("system.result");
 import("system.neon");
 import("KeywordRegistry_basic");
+import("Keyword_lib");
 
 var direction = vars.getString("$field.DIRECTION");
-var res;
-switch (direction) 
+
+if (direction)
 {
-    case $KeywordRegistry.activityDirection$incoming():
-        res = "VAADIN:ARROW_BACKWARD";
-        break;
-    case $KeywordRegistry.activityDirection$outgoing():
-        res = "VAADIN:ARROW_FORWARD";
-        break;
-    default:
-        res = "";
-        break;
-}
+    // cache to prevent multiple loading of the same icon-names
+    if (vars.exists("$context.cache_activity_dir-icon_" + direction) && vars.get("$context.cache_activity_dir-icon_" + direction))
+    {
+        result.string(vars.get("$context.cache_activity_dir-icon_" + direction));
+    }
+    else
+    {
+        var res = KeywordUtils.getAttributeRelationsByKey(direction, $KeywordRegistry.activityDirection())["icon"];
 
-result.string(res);
+        if (res)
+        {
+            result.string(res);
+            vars.set("$context.cache_activity_dir-icon_" + direction, res);
+        }
+        else
+        {
+            result.string("");
+            vars.set("$context.cache_activity_dir-icon_" + direction, "");
+        }
+    }
+}
\ No newline at end of file