IDEMPIERE-3232 Useless to set focus on a readonly field

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/Datebox.java

@@ -42,6 +42,7 @@ public class Datebox extends org.zkoss.zul.Datebox
 	public void setEnabled(boolean enabled)
     {
         this.setReadonly(!enabled);
+        this.setDisabled(!enabled);
         this.setButtonVisible(enabled);
     }
     

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/NumberBox.java

@@ -460,6 +460,7 @@ public class NumberBox extends Div
 	public void setEnabled(boolean enabled)
 	{
 	     decimalBox.setReadonly(!enabled);
+	     decimalBox.setDisabled(!enabled);
 	     btn.setEnabled(enabled);
 	     if (enabled)
 	     {

org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/Textbox.java

@@ -57,7 +57,13 @@ public class Textbox extends org.zkoss.zul.Textbox implements EventListener<Even
     {
         this.setDisabled(!enabled);
     }
-    
+
+    @Override
+    public void setReadonly(boolean readonly) {
+    	super.setReadonly(readonly);
+    	this.setDisabled(readonly);
+    }
+
     public void setObscureType(String obscureType)
     {
     	if (obscureType != null && obscureType.length() > 0)

org.adempiere.ui.zk/theme/default/css/fragment/input-element.css.dsp

@@ -1,5 +1,5 @@
 <%-- Combobox --%>
-.z-combobox-disabled {
+.z-combobox-disabled, .z-combobox[disabled] {
 	color: black !important; cursor: default !important; opacity: 1; -moz-opacity: 1; -khtml-opacity: 1; filter: alpha(opacity=100);
 }
 
@@ -26,6 +26,15 @@ input:focus, textarea:focus, .z-combobox-input:focus, z-datebox-input:focus {
 	background-color: #F0F0F0;
 }
 
+.z-textbox[disabled], .z-intbox[disabled], .z-longbox[disabled], .z-doublebox[disabled], 
+.z-decimalbox[disabled], .z-datebox[disabled], .z-timebox[disabled] {
+	color: black !important;
+	background-color: #F0F0F0 !important;
+	cursor: default !important;
+	opacity: 1 !important;
+	border: 1px solid #cfcfcf !important;
+}
+
 <%-- workaround for http://jira.idempiere.com/browse/IDEMPIERE-692 --%>
 .z-combobox-popup {
 	max-height: 200px;