0033565: ability to disable linked items section

diff --git a/modules/org.openbravo.client.application/src-db/database/sourcedata/AD_REF_LIST.xml b/modules/org.openbravo.client.application/src-db/database/sourcedata/AD_REF_LIST.xml
--- a/modules/org.openbravo.client.application/src-db/database/sourcedata/AD_REF_LIST.xml
+++ b/modules/org.openbravo.client.application/src-db/database/sourcedata/AD_REF_LIST.xml
@@ -140,6 +140,17 @@
 <!--4C0466BB94BD413BB8D523C3FADB4E4C-->  <SEQNO><![CDATA[60]]></SEQNO>
 <!--4C0466BB94BD413BB8D523C3FADB4E4C--></AD_REF_LIST>
 
+<!--557BFB777B164892BB8BC97772EEA71A--><AD_REF_LIST>
+<!--557BFB777B164892BB8BC97772EEA71A-->  <AD_REF_LIST_ID><![CDATA[557BFB777B164892BB8BC97772EEA71A]]></AD_REF_LIST_ID>
+<!--557BFB777B164892BB8BC97772EEA71A-->  <AD_CLIENT_ID><![CDATA[0]]></AD_CLIENT_ID>
+<!--557BFB777B164892BB8BC97772EEA71A-->  <AD_ORG_ID><![CDATA[0]]></AD_ORG_ID>
+<!--557BFB777B164892BB8BC97772EEA71A-->  <ISACTIVE><![CDATA[Y]]></ISACTIVE>
+<!--557BFB777B164892BB8BC97772EEA71A-->  <VALUE><![CDATA[OBUIAPP_DisableLinkedItemsSection]]></VALUE>
+<!--557BFB777B164892BB8BC97772EEA71A-->  <NAME><![CDATA[Disable Linked Items Section]]></NAME>
+<!--557BFB777B164892BB8BC97772EEA71A-->  <AD_REFERENCE_ID><![CDATA[A26BA480E2014707B47257024C3CBFF7]]></AD_REFERENCE_ID>
+<!--557BFB777B164892BB8BC97772EEA71A-->  <AD_MODULE_ID><![CDATA[9BA0836A3CD74EE4AB48753A47211BCC]]></AD_MODULE_ID>
+<!--557BFB777B164892BB8BC97772EEA71A--></AD_REF_LIST>
+
 <!--57A4B4D636954DF88444CAD72B20598B--><AD_REF_LIST>
 <!--57A4B4D636954DF88444CAD72B20598B-->  <AD_REF_LIST_ID><![CDATA[57A4B4D636954DF88444CAD72B20598B]]></AD_REF_LIST_ID>
 <!--57A4B4D636954DF88444CAD72B20598B-->  <AD_CLIENT_ID><![CDATA[0]]></AD_CLIENT_ID>
diff --git a/modules/org.openbravo.client.application/web/org.openbravo.client.application/js/form/ob-view-form.js b/modules/org.openbravo.client.application/web/org.openbravo.client.application/js/form/ob-view-form.js
--- a/modules/org.openbravo.client.application/web/org.openbravo.client.application/js/form/ob-view-form.js
+++ b/modules/org.openbravo.client.application/web/org.openbravo.client.application/js/form/ob-view-form.js
@@ -331,6 +331,14 @@
     if (!this.linkedItemSection) {
       return;
     }
+    if (this.isLinkedItemSectionDisabled()) {
+      // linked items section is hidden by preference
+      if (!this.linkedItemSection.hiddenInForm) {
+        this.linkedItemSection.hiddenInForm = true;
+        this.linkedItemSection.hide();
+      }
+      return;
+    }
     if (enable) {
       this.linkedItemSection.collapseSection(true);
       this.linkedItemSection.setRecordInfo(this.view.entity, this.getValue(OB.Constants.ID), this);
@@ -342,6 +350,10 @@
     }
   },
 
+  isLinkedItemSectionDisabled: function () {
+    return 'Y' === OB.PropertyStore.get('OBUIAPP_DisableLinkedItemsSection', this.view.windowId);
+  },
+
   enableAttachmentsSection: function (enable) {
     if (!this.attachmentsSection) {
       return;
diff --git a/src/org/openbravo/erpCommon/utility/UsedByLink.java b/src/org/openbravo/erpCommon/utility/UsedByLink.java
--- a/src/org/openbravo/erpCommon/utility/UsedByLink.java
+++ b/src/org/openbravo/erpCommon/utility/UsedByLink.java
@@ -11,7 +11,7 @@
  * under the License. 
  * The Original Code is Openbravo ERP. 
  * The Initial Developer of the Original Code is Openbravo SLU 
- * All portions are Copyright (C) 2001-2015 Openbravo SLU 
+ * All portions are Copyright (C) 2001-2016 Openbravo SLU 
  * All Rights Reserved. 
  * Contributor(s):  ______________________________________.
  ************************************************************************
@@ -29,6 +29,7 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import org.apache.commons.lang.StringUtils;
 import org.codehaus.jettison.json.JSONException;
 import org.codehaus.jettison.json.JSONObject;
 import org.openbravo.base.exception.OBException;
@@ -40,7 +41,9 @@
 import org.openbravo.dal.core.OBContext;
 import org.openbravo.dal.service.OBDal;
 import org.openbravo.data.Sqlc;
+import org.openbravo.erpCommon.businessUtility.Preferences;
 import org.openbravo.model.ad.datamodel.Table;
+import org.openbravo.model.ad.ui.Window;
 import org.openbravo.xmlEngine.XmlDocument;
 
 public class UsedByLink extends HttpSecureAppServlet {
@@ -57,6 +60,9 @@
       ServletException {
     final VariablesSecureApp vars = new VariablesSecureApp(request);
 
+    // checks if Linked Items section is enabled for the current window
+    checkLinkedItemSectionState(vars);
+
     if (vars.commandIn("DEFAULT")) {
       final String strWindow = vars.getStringParameter("inpwindowId");
       final String strTabId = vars.getRequiredStringParameter("inpTabId");
@@ -92,6 +98,25 @@
 
   }
 
+  private void checkLinkedItemSectionState(VariablesSecureApp vars) {
+    String preferenceValue = "";
+    String windowId = vars.getStringParameter("inpwindowId");
+    if (StringUtils.isEmpty(windowId)) {
+      windowId = vars.getStringParameter("windowId");
+    }
+    try {
+      preferenceValue = Preferences.getPreferenceValue("OBUIAPP_DisableLinkedItemsSection", true,
+          OBContext.getOBContext().getCurrentClient(), OBContext.getOBContext()
+              .getCurrentOrganization(), OBContext.getOBContext().getUser(), OBContext
+              .getOBContext().getRole(), OBDal.getInstance().getProxy(Window.class, windowId));
+    } catch (PropertyException e) {
+      // preference not found, continue without throwing exception
+    }
+    if ("Y".equals(preferenceValue)) {
+      throw new OBException("Linked Items section is disabled for window with id " + windowId);
+    }
+  }
+
   private void printPage(HttpServletResponse response, VariablesSecureApp vars, String strWindow,
       String TabId, String keyColumn, String keyId, String tableId) throws IOException,
       ServletException {