Initial import from SVN

1 files changed, 112 insertions, 0 deletions

diff --git a/projects/net.wotonomy.web/src/main/java/net/wotonomy/web/WOSwitchComponent.java b/projects/net.wotonomy.web/src/main/java/net/wotonomy/web/WOSwitchComponent.java
new file mode 100644
index 0000000..d2e373a
--- /dev/null
+++ b/projects/net.wotonomy.web/src/main/java/net/wotonomy/web/WOSwitchComponent.java
@@ -0,0 +1,112 @@
+/*
+ Wotonomy: OpenStep design patterns for pure Java applications.
+ Copyright (C) 2000 Blacksmith, Inc.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, see http://www.gnu.org
+ */
+
+package net.wotonomy.web;
+
+import net.wotonomy.foundation.NSDictionary;
+import net.wotonomy.foundation.NSMutableDictionary;
+
+public class WOSwitchComponent extends WODynamicElement {
+
+    private NSMutableDictionary elements;
+    private String currentName;
+    private WOElement currentElement;
+
+    protected WOSwitchComponent() 
+    {
+        super();
+        elements = new NSMutableDictionary();
+    }
+
+    public WOSwitchComponent(String aName, NSDictionary aMap, WOElement template) 
+    {
+        super(aName, aMap, template);
+        elements = new NSMutableDictionary();
+    }
+    
+    private WOElement getCurrentElement( WOContext c )
+    {
+        String name = stringForProperty( "WOComponentName", c.component() );
+        if ( name == null ) return null;
+        
+        if ( currentElement != null && name.equals( currentName ) ) return currentElement;
+        
+        currentName = name;
+        currentElement = (WOElement) elements.objectForKey( name );
+        if ( currentElement == null )
+        {
+            currentElement = WOApplication.application().pageWithName( name, c );
+            if ( currentElement != null )
+            {
+                currentElement.associations = associations;
+                elements.setObjectForKey( currentElement, name );
+            }
+        }
+        
+        return currentElement;
+    }
+
+    void ensureAwakeInContext (WOContext aContext)
+    {
+        if ( aContext != null )
+        {
+            WOElement element = getCurrentElement( aContext );
+            if ( element != null )
+            {
+                aContext.pushElement( element );
+                element.ensureAwakeInContext( aContext );
+                aContext.popElement();
+            }
+        }
+    }
+
+    public void takeValuesFromRequest(WORequest r, WOContext c) 
+    {
+        WOElement element = getCurrentElement( c );
+        if ( element != null )
+        {
+            c.pushElement( element );
+            element.takeValuesFromRequest( r, c );
+            c.popElement();
+        }
+    }
+
+    public WOActionResults invokeAction(WORequest r, WOContext c) 
+    {
+        WOActionResults result = null;
+        WOElement element = getCurrentElement( c );
+        if ( element != null )
+        {
+            c.pushElement( element );
+            result = element.invokeAction( r, c );
+            c.popElement();
+        }
+        return result;
+    }
+
+    public void appendToResponse(WOResponse r, WOContext c) 
+    {
+        WOElement element = getCurrentElement( c );
+        if ( element != null )
+        {
+            c.pushElement( element );
+            element.appendToResponse( r, c );
+            c.popElement();
+        }
+    }
+}