Changeset 5250 for trunk/src/com/itmill/toolkit/ui/AbstractComponent.java

Timestamp:

08/25/08 05:59:54 (5 months ago)

Author:

artur.signell@…

Message:

Made #1642 fix more generic by moving implementation to AbstractComponent?

Files:

• trunk/src/com/itmill/toolkit/ui/AbstractComponent.java (modified) (3 diffs)

trunk/src/com/itmill/toolkit/ui/AbstractComponent.java

@@ -20 +20 @@
 import com.itmill.toolkit.terminal.PaintTarget;
 import com.itmill.toolkit.terminal.Resource;
+import com.itmill.toolkit.terminal.Terminal;
 
 /**
@@ -121 +122 @@
     private int widthUnit = UNITS_PIXELS;
     private int heightUnit = UNITS_PIXELS;
+
+    private ComponentErrorHandler errorHandler = null;
 
     /* Constructor */
@@ -1171 +1174 @@
     }
 
+    public interface ComponentErrorEvent extends Terminal.ErrorEvent {
+    }
+
+    public interface ComponentErrorHandler {
+        /**
+         * Handle the component error
+         * 
+         * @param event
+         * @return True if the error has been handled False, otherwise
+         */
+        public boolean handleComponentError(ComponentErrorEvent event);
+    }
+
+    /**
+     * Gets the error handler for the component.
+     * 
+     * The error handler is dispatched whenever there is an error processing the
+     * data coming from the client.
+     * 
+     * @return
+     */
+    public ComponentErrorHandler getErrorHandler() {
+        return errorHandler;
+    }
+
+    /**
+     * Sets the error handler for the component.
+     * 
+     * The error handler is dispatched whenever there is an error processing the
+     * data coming from the client.
+     * 
+     * If the error handler is not set, the application error handler is used to
+     * handle the exception.
+     * 
+     * @param errorHandler
+     *                AbstractField specific error handler
+     */
+    public void setErrorHandler(ComponentErrorHandler errorHandler) {
+        this.errorHandler = errorHandler;
+    }
+
+    public boolean handleError(ComponentErrorEvent error) {
+        if (errorHandler != null) {
+            return errorHandler.handleComponentError(error);
+        }
+        return false;
+
+    }
+
 }