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Diffstat (limited to 'projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/DisplayGroupActionAssociation.java')
| -rw-r--r-- | projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/DisplayGroupActionAssociation.java | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/DisplayGroupActionAssociation.java b/projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/DisplayGroupActionAssociation.java new file mode 100644 index 0000000..290480d --- /dev/null +++ b/projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/DisplayGroupActionAssociation.java @@ -0,0 +1,134 @@ +/* +Wotonomy: OpenStep design patterns for pure Java applications. +Copyright (C) 2000 Intersect Software Corporation + +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.ui.swing; + +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; + +import net.wotonomy.foundation.NSArray; +import net.wotonomy.foundation.NSSelector; +import net.wotonomy.foundation.internal.WotonomyException; +import net.wotonomy.ui.EODisplayGroup; + +/** +* ActionAssociation binds any ActionEvent broadcaster +* (typically Buttons and the like) to a display group, +* but invokes actions directly on the bound display +* group rather than the selected objects. +* Bindings are: +* <ul> +* <li>action: a method to be invoked on the bound display group. +* If the argument aspect is bound, the method must take +* one argument. Otherwise, the method must take no arguments.</li> +* <li>argument: the attribute of the selected object(s) (possibly +* from a different display group) that will be used as an argument +* to the action method</li> +* <li>enabled: a boolean property that determines whether +* the controlled component is enabled</li> +* <li>visible: a boolean property that determines whether +* the controlled component is visible</li> +* </ul> +* +* @author michael@mpowers.net +* @author $Author: cgruber $ +* @version $Revision: 904 $ +*/ +public class DisplayGroupActionAssociation extends ActionAssociation +{ + static final NSArray aspects = + new NSArray( new Object[] { + ActionAspect, ArgumentAspect, EnabledAspect, VisibleAspect + } ); + static final NSArray aspectSignatures = + new NSArray( new Object[] { + AttributeToOneAspectSignature, + AttributeToOneAspectSignature, + AttributeToOneAspectSignature, + AttributeToOneAspectSignature + } ); + static final NSArray objectKeysTaken = + new NSArray( new Object[] { + "target" + } ); + + static NSSelector addActionListener = + new NSSelector( "addActionListener", + new Class[] { ActionListener.class } ); + static NSSelector removeActionListener = + new NSSelector( "removeActionListener", + new Class[] { ActionListener.class } ); + + /** + * Constructor specifying the object to be controlled by this + * association. Does not establish connection. + */ + public DisplayGroupActionAssociation ( Object anObject ) + { + super( anObject ); + } + + // interface ActionListener + + public void actionPerformed( ActionEvent evt ) + { + EODisplayGroup actionDisplayGroup = null; + String actionKey = null; + + // action aspect + actionDisplayGroup = displayGroupForAspect( ActionAspect ); + if ( actionDisplayGroup != null ) + { + actionKey = displayGroupKeyForAspect( ActionAspect ); + + //TODO: argument aspect not implemented + + try + { + NSSelector.invoke( actionKey, actionDisplayGroup ); + } + catch ( Exception exc ) + { + throw new WotonomyException( "DisplayGroupActionAssociation: " + + "error invoking action: " + actionKey, exc ); + } + } + } + +} + +/* + * $Log$ + * Revision 1.2 2006/02/18 23:19:05 cgruber + * Update imports and maven dependencies. + * + * Revision 1.1 2006/02/16 13:22:22 cgruber + * Check in all sources in eclipse-friendly maven-enabled packages. + * + * Revision 1.2 2003/08/06 23:07:52 chochos + * general code cleanup (mostly, removing unused imports) + * + * Revision 1.1.1.1 2000/12/21 15:48:46 mpowers + * Contributing wotonomy. + * + * Revision 1.3 2000/12/20 16:25:40 michael + * Added log to all files. + * + * + */ + |