From ce7121ae85f8ab18623eb4f9bace2968ae1bd58d Mon Sep 17 00:00:00 2001
From: Diego Ruiz <ruizg.diego@gmail.com>
Date: Mon, 20 Jan 2020 18:33:22 +0100
Subject: [PATCH] IDEMPIERE-4151 Label Style not working when a field is set to
 Heading Only

---
 .../adempiere/webui/adwindow/ADTabpanel.java  | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/ADTabpanel.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/ADTabpanel.java
index 33019fa8f8..46ca50d9f1 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/ADTabpanel.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/ADTabpanel.java
@@ -57,6 +57,7 @@ import org.adempiere.webui.editor.WebEditorFactory;
 import org.adempiere.webui.event.ContextMenuListener;
 import org.adempiere.webui.panel.HelpController;
 import org.adempiere.webui.session.SessionManager;
+import org.adempiere.webui.theme.ThemeManager;
 import org.adempiere.webui.util.GridTabDataBinder;
 import org.adempiere.webui.util.TreeUtils;
 import org.adempiere.webui.util.ZKUpdateUtil;
@@ -71,6 +72,7 @@ import org.compiere.model.I_AD_Preference;
 import org.compiere.model.MColumn;
 import org.compiere.model.MPreference;
 import org.compiere.model.MRole;
+import org.compiere.model.MStyle;
 import org.compiere.model.MSysConfig;
 import org.compiere.model.MTab;
 import org.compiere.model.MTable;
@@ -736,6 +738,25 @@ DataStatusListener, IADTabpanel, IdSpace, IFieldEditorContainer
         		Label label = new Label(field.getHeader());
         		Div div = new Div();
         		div.setSclass("form-label-heading");
+        		if (field.getAD_FieldStyle_ID() > 0) {
+            		MStyle style = MStyle.get(Env.getCtx(), field.getAD_FieldStyle_ID());
+            		String cssStyle = style.buildStyle(ThemeManager.getTheme(), new Evaluatee() {
+    					@Override
+    					public String get_ValueAsString(String variableName) {
+    						return field.get_ValueAsString(variableName);
+    					}
+    				});
+            		if (cssStyle != null && cssStyle.startsWith(MStyle.SCLASS_PREFIX)) {
+    					String sclass = cssStyle.substring(MStyle.SCLASS_PREFIX.length());
+    					div.setSclass(sclass);
+    				} else if (style != null && cssStyle.startsWith(MStyle.ZCLASS_PREFIX)) {
+    					String zclass = cssStyle.substring(MStyle.ZCLASS_PREFIX.length());
+    					div.setZclass(zclass);
+    				} else {
+    					div.setStyle(cssStyle);
+    				}
+        		}
+
         		row.appendCellChild(createSpacer());
         		div.appendChild(label);
         		row.appendCellChild(div);