errors and description for button

svn changeset:2307/svn branch:trunk

diff --git a/src/com/itmill/toolkit/terminal/gwt/client/ui/IButton.java b/src/com/itmill/toolkit/terminal/gwt/client/ui/IButton.java
index a6b747b5c21e292d473cb96d346f8dd31eb439b0..2e091f11fa84c67d4b236f293755a3206a100d3e 100644 (file)
--- a/src/com/itmill/toolkit/terminal/gwt/client/ui/IButton.java
+++ b/src/com/itmill/toolkit/terminal/gwt/client/ui/IButton.java
@@ -1,9 +1,14 @@
 package com.itmill.toolkit.terminal.gwt.client.ui;
 
+import com.google.gwt.user.client.DOM;
+import com.google.gwt.user.client.Element;
+import com.google.gwt.user.client.Event;
 import com.google.gwt.user.client.ui.ClickListener;
+import com.google.gwt.user.client.ui.PopupPanel;
 import com.google.gwt.user.client.ui.Widget;
 import com.google.gwt.user.client.ui.Button;
 import com.itmill.toolkit.terminal.gwt.client.ApplicationConnection;
+import com.itmill.toolkit.terminal.gwt.client.ErrorMessage;
 import com.itmill.toolkit.terminal.gwt.client.Paintable;
 import com.itmill.toolkit.terminal.gwt.client.UIDL;
 
@@ -15,6 +20,13 @@ public class IButton extends Button implements Paintable {
 
        ApplicationConnection client;
 
+       private Element errorIndicatorElement;
+
+       private ErrorMessage errorMessage;
+       
+       private PopupPanel errorContainer;
+
+
        public IButton() {
                setStyleName(CLASSNAME);
                addClickListener(new ClickListener() {
@@ -40,8 +52,70 @@ public class IButton extends Button implements Paintable {
 
                // Set text
                setText(uidl.getStringAttribute("caption"));
+               
+               if(uidl.hasAttribute("error")) {
+                       UIDL errorUidl = uidl.getErrors();
+                       if(errorIndicatorElement == null) {
+                               errorIndicatorElement = DOM.createDiv();
+                               DOM.setElementProperty(errorIndicatorElement, "className", "i-errorindicator");
+                               DOM.sinkEvents(errorIndicatorElement, Event.MOUSEEVENTS);
+                       }
+                       DOM.insertChild(getElement(), errorIndicatorElement, 0);
+                       if(errorMessage == null)
+                               errorMessage = new ErrorMessage();
+                       errorMessage.updateFromUIDL(errorUidl);
+                       
+               } else if( errorIndicatorElement != null) {
+                       DOM.setStyleAttribute(errorIndicatorElement, "display", "none");
+               }
+               
+               if(uidl.hasAttribute("description")) {
+                       setTitle(uidl.getStringAttribute("description"));
+               }
+
+       }
+       
+       public void onBrowserEvent(Event event) {
+               Element target= DOM.eventGetTarget(event);
+               if(errorIndicatorElement != null && DOM.compare(target, errorIndicatorElement)) {
+                       switch (DOM.eventGetType(event)) {
+                       case Event.ONMOUSEOVER:
+                               showErrorMessage();
+                               break;
+                       case Event.ONMOUSEOUT:
+                               hideErrorMessage();
+                               break;
+                       case Event.ONCLICK:
+                               ApplicationConnection.getConsole().
+                                       log(DOM.getInnerHTML(errorMessage.getElement()));
+                               return;
+                       default:
+                               break;
+                       }
+               }
+               super.onBrowserEvent(event);
+       }
 
-               // TODO Handle description and errormessages
+       private void hideErrorMessage() {
+               if(errorContainer != null) {
+                       errorContainer.hide();
+               }
        }
 
+       private void showErrorMessage() {
+               if(errorMessage != null) {
+                       if(errorContainer == null) {
+                               errorContainer = new PopupPanel();
+                               errorContainer.setWidget(errorMessage);
+                       }
+                       errorContainer.setPopupPosition(
+                                       DOM.getAbsoluteLeft(errorIndicatorElement) +
+                                               2*DOM.getElementPropertyInt(errorIndicatorElement, "offsetHeight"),
+                                       DOM.getAbsoluteTop(errorIndicatorElement) + 
+                                               2*DOM.getElementPropertyInt(errorIndicatorElement, "offsetHeight"));
+                       errorContainer.show();
+               }
+       }
+
+
 }