IDEMPIERE-1087 Process Parameters don't have contextual menu (right click) / based on patch from Juliana Corredor

org.adempiere.base/src/org/compiere/model/GridField.java

@@ -450,6 +450,7 @@ public class GridField
 				keyColumn = "AD_EntityType_ID";
 			if (!keyColumn.endsWith("_ID"))
 				keyColumn += "_ID";			//	AD_Language_ID
+			if (getGridTab() != null) {
 				int Record_ID = Env.getContextAsInt(ctx, m_vo.WindowNo, m_vo.TabNo, keyColumn);
 				int AD_Table_ID = m_vo.AD_Table_ID;
 				if (!MRole.getDefault(ctx, false).canUpdate(
@@ -458,6 +459,7 @@ public class GridField
 				if (!MRole.getDefault(ctx, false).isColumnAccess(AD_Table_ID, m_vo.AD_Column_ID, false))
 					return false;
 			}
+		}
 			
 		//  Do we have a readonly rule
 		if (checkContext && m_vo.ReadOnlyLogic.length() > 0)
@@ -487,7 +489,7 @@ public class GridField
 			return true;
 		// BF [ 2910368 ]
 		// Record is not Active
-		if (checkContext && !Env.getContext(ctx, m_vo.WindowNo,m_vo.TabNo, "IsActive").equals("Y"))
+		if (checkContext && getGridTab() != null && !Env.getContext(ctx, m_vo.WindowNo,m_vo.TabNo, "IsActive").equals("Y"))
 			return false;
 
 		//  ultimately visibility decides

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/ProcessParameterPanel.java

@@ -29,6 +29,7 @@ import org.adempiere.webui.component.GridFactory;
 import org.adempiere.webui.component.Panel;
 import org.adempiere.webui.component.Row;
 import org.adempiere.webui.component.Rows;
+import org.adempiere.webui.editor.IZoomableEditor;
 import org.adempiere.webui.editor.WEditor;
 import org.adempiere.webui.editor.WEditorPopupMenu;
 import org.adempiere.webui.editor.WebEditorFactory;
@@ -54,6 +55,7 @@ import org.zkoss.zk.ui.event.Events;
 import org.zkoss.zul.Div;
 import org.zkoss.zul.Hbox;
 import org.zkoss.zul.Label;
+import org.zkoss.zul.impl.XulElement;
 
 /**
  * Process Parameter Panel, based on existing ProcessParameter dialog. -
@@ -68,7 +70,8 @@ public class ProcessParameterPanel extends Panel implements
 	/**
 	 * 
 	 */
-	private static final long serialVersionUID = 7163263872945366389L;
+	private static final long serialVersionUID = -5996487688479454715L;
+
 	private String width;
 
 	/**
@@ -291,9 +294,25 @@ public class ProcessParameterPanel extends Panel implements
 		editor.fillHorizontal();
 		// setup editor context menu
 		WEditorPopupMenu popupMenu = editor.getPopupMenu();
-		if (popupMenu != null) {
-			popupMenu.addMenuListener((ContextMenuListener) editor);
+		if (popupMenu != null)
+		{
+			popupMenu.addMenuListener((ContextMenuListener)editor);
+			popupMenu.setId(mField.getColumnName()+"-popup");
 			this.appendChild(popupMenu);
+			if (!mField.isFieldOnly())
+			{
+				Label label = editor.getLabel();
+				if (popupMenu.isZoomEnabled() && editor instanceof IZoomableEditor)
+				{
+					label.addEventListener(Events.ON_CLICK, new ZoomListener((IZoomableEditor) editor));
+				}
+
+				popupMenu.addContextElement(label);
+				if (editor.getComponent() instanceof XulElement) 
+				{
+					popupMenu.addContextElement((XulElement) editor.getComponent());
+				}
+			}        				        				
 		}
 		//
 		m_wEditors.add(editor); // add to Editors
@@ -634,6 +653,7 @@ public class ProcessParameterPanel extends Panel implements
 					m_wEditors2.get(i).setVisible(false);
 				}
 			}
+        	editor.updateLabelStyle();
 		}
 	}
 
@@ -661,5 +681,21 @@ public class ProcessParameterPanel extends Panel implements
 		m_processInfo = processInfo;
 	}
 
-} // ProcessParameterPanel
+	static class ZoomListener implements EventListener<Event> {
 
+		private IZoomableEditor searchEditor;
+
+		ZoomListener(IZoomableEditor editor) {
+			searchEditor = editor;
+		}
+
+		public void onEvent(Event event) throws Exception {
+			if (Events.ON_CLICK.equals(event.getName())) {
+				searchEditor.actionZoom();
+			}
+
+		}
+
+	}
+
+} // ProcessParameterPanel

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WEditor.java

@@ -566,7 +566,8 @@ public abstract class WEditor implements EventListener<Event>, PropertyChangeLis
 	 * @return boolean
 	 */
 	protected boolean isShowPreference() {
-		return MRole.getDefault().isShowPreference() && gridField != null && !gridField.isEncrypted() && !gridField.isEncryptedColumn();
+		return MRole.getDefault().isShowPreference() && gridField != null && !gridField.isEncrypted() && !gridField.isEncryptedColumn()
+				&& gridTab != null; // don't show preference for process parameters
 	}
 
 	/**