Added code completion dtoClass Level Mapping tags

CHANGELOG.md

@@ -13,6 +13,9 @@
 - Use single space after Header Mode [#761](https://github.com/epam/sap-commerce-intellij-idea-plugin/pull/761)
 - Added shortcut `control + alt + backspace` for remove column action [#775](https://github.com/epam/sap-commerce-intellij-idea-plugin/pull/775)
 
+### `OCC` enhancements
+- Added code completion `dtoClass` Level Mapping tags [#777](https://github.com/epam/sap-commerce-intellij-idea-plugin/pull/777)
+
 ### `Cockpit NG` enhancements
 - Improved detection of the `config` files [#760](https://github.com/epam/sap-commerce-intellij-idea-plugin/pull/760)
 - Improved detection of the `widgets` files [#759](https://github.com/epam/sap-commerce-intellij-idea-plugin/pull/759)

resources/META-INF/lang/beanSystem-dependencies.xml

@@ -22,7 +22,8 @@
         <dom.fileMetaData rootTagName="beans" stubVersion="9"
                           implementation="com.intellij.idea.plugin.hybris.system.bean.BSDomFileDescription"/>
 
-        <completion.contributor language="XML" implementationClass="com.intellij.idea.plugin.hybris.system.bean.codeInsight.completion.BSCompletionContributor"/>
+        <completion.contributor language="XML" order="before javaClassReference"
+                                implementationClass="com.intellij.idea.plugin.hybris.system.bean.codeInsight.completion.BSCompletionContributor"/>
 
         <lang.foldingBuilder language="XML" implementationClass="com.intellij.idea.plugin.hybris.system.bean.lang.folding.BeansXmlFoldingBuilder"/>
         <codeInsight.lineMarkerProvider language="XML" implementationClass="com.intellij.idea.plugin.hybris.system.bean.codeInsight.daemon.BeansXmlBeanSiblingsLineMarkerProvider"/>

src/com/intellij/idea/plugin/hybris/system/bean/codeInsight/lookup/BSLookupElementFactory.kt

@@ -59,7 +59,7 @@ object BSLookupElementFactory {
                 else -> HybrisIcons.BS_BEAN
             }
         )
-        ?.withCaseSensitivity(true)
+        ?.withCaseSensitivity(false)
 
     fun build(meta: BSMetaProperty) = meta.name
         ?.let { LookupElementBuilder.create(it) }

src/com/intellij/idea/plugin/hybris/system/bean/psi/BSPatterns.kt

@@ -21,10 +21,8 @@ package com.intellij.idea.plugin.hybris.system.bean.psi
 import com.intellij.idea.plugin.hybris.common.HybrisConstants
 import com.intellij.idea.plugin.hybris.system.bean.model.*
 import com.intellij.idea.plugin.hybris.system.bean.model.Enum
-import com.intellij.patterns.PlatformPatterns
-import com.intellij.patterns.StandardPatterns
-import com.intellij.patterns.XmlAttributeValuePattern
-import com.intellij.patterns.XmlPatterns
+import com.intellij.patterns.*
+import com.intellij.psi.xml.XmlAttributeValue
 
 object BSPatterns {
 
@@ -60,13 +58,27 @@ object BSPatterns {
         )
         .inside(beansXmlFile)
 
-    val BEAN_CLASS: XmlAttributeValuePattern = XmlPatterns.xmlAttributeValue(Bean.CLASS)
-        .withSuperParent(
-            2,
-            XmlPatterns.xmlTag()
-                .withLocalName(Beans.BEAN)
-        )
-        .inside(beansXmlFile)
+    val BEAN_CLASS: ElementPattern<XmlAttributeValue> = XmlPatterns.or(
+        XmlPatterns.xmlAttributeValue(Bean.CLASS)
+            .withSuperParent(
+                2,
+                XmlPatterns.xmlTag()
+                    .withLocalName(Beans.BEAN)
+            )
+            .inside(beansXmlFile),
+
+        XmlPatterns.xmlAttributeValue("value")
+            .withSuperParent(
+                2,
+                XmlPatterns.xmlTag()
+                    .withLocalName("property")
+                    .withAttributeValue("name", "dtoClass")
+                    .withParent(
+                        XmlPatterns.xmlTag().withLocalName("bean")
+                    )
+            )
+            .inside(springBeansXmlFile)
+    )
 
     val ENUM_CLASS: XmlAttributeValuePattern = XmlPatterns.xmlAttributeValue(Enum.CLASS)
         .withSuperParent(