diff options
| author | Benjamin Culkin <scorpress@gmail.com> | 2024-05-20 17:58:16 -0400 |
|---|---|---|
| committer | Benjamin Culkin <scorpress@gmail.com> | 2024-05-20 17:58:16 -0400 |
| commit | 40a9d99496e098562f090fb7ffce9e749011b131 (patch) | |
| tree | 437df24d65470582e943e494a52db8ed65a881ae /projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/ButtonAssociation.java | |
| parent | ff072dfe782f6f22123cd4ba050828d35c0d0fbd (diff) | |
Formatting pass
Diffstat (limited to 'projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/ButtonAssociation.java')
| -rw-r--r-- | projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/ButtonAssociation.java | 684 |
1 files changed, 292 insertions, 392 deletions
diff --git a/projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/ButtonAssociation.java b/projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/ButtonAssociation.java index 38cf38b..5a1c85c 100644 --- a/projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/ButtonAssociation.java +++ b/projects/net.wotonomy.ui.swing/src/main/java/net/wotonomy/ui/swing/ButtonAssociation.java @@ -33,412 +33,312 @@ import net.wotonomy.ui.EOAssociation; import net.wotonomy.ui.EODisplayGroup; /** -* ButtonAssociation binds any component that uses a ButtonModel -* (all Swing button classes) to a display group. This association -* should be used to handle individual JRadioButtons and JCheckBoxes. -* Bindings are: -* <ul> -* <li>value: a boolean property that determines the -* selected state of the button model. This will set -* the value for radio buttons and check boxes.</li> -* <li>enabled: a boolean property that determines the -* enabled state of the button model.</li> -* <li>visible: a boolean property that determines the -* visible state of the button model.</li> -* </ul> -* -* @author michael@mpowers.net -* @author $Author: cgruber $ -* @version $Revision: 904 $ -*/ -public class ButtonAssociation extends EOAssociation - implements ChangeListener -{ - static final NSArray aspects = - new NSArray( new Object[] { - ValueAspect, EnabledAspect, VisibleAspect - } ); - static final NSArray aspectSignatures = - new NSArray( new Object[] { - AttributeToOneAspectSignature, - AttributeToOneAspectSignature, - AttributeToOneAspectSignature - } ); - static final NSArray objectKeysTaken = - new NSArray( new Object[] { - "model.selected" - } ); - - static NSSelector getModel = - new NSSelector( "getModel", new Class[] {} ); - - protected ButtonModel buttonModel; - protected boolean lastKnownValue; - - /** - * Constructor specifying the object to be controlled by this - * association. Does not establish connection. - * This implementation expects a ButtonModel or a class - * that has a "getModel" method that returns a ButtonModel. - */ - public ButtonAssociation ( Object anObject ) - { - super( anObject ); - - if ( anObject instanceof ButtonModel ) - { - buttonModel = (ButtonModel) anObject; - } - else - { - try - { - buttonModel = (ButtonModel) getModel.invoke( anObject ); - } - catch ( Exception exc ) - { - throw new WotonomyException( "EOButtonAssociation: " + - "could not retrieve a button model from object:" + anObject ); - } - } - } - - /** - * Returns a List of aspect signatures whose contents - * correspond with the aspects list. Each element is - * a string whose characters represent a capability of - * the corresponding aspect. <ul> - * <li>"A" attribute: the aspect can be bound to - * an attribute.</li> - * <li>"1" to-one: the aspect can be bound to a - * property that returns a single object.</li> - * <li>"M" to-one: the aspect can be bound to a - * property that returns multiple objects.</li> - * </ul> - * An empty signature "" means that the aspect can - * bind without needing a key. - * This implementation returns "A1M" for each - * element in the aspects array. - */ - public static NSArray aspectSignatures () - { - return aspectSignatures; - } - - /** - * Returns a List that describes the aspects supported - * by this class. Each element in the list is the string - * name of the aspect. This implementation returns an - * empty list. - */ - public static NSArray aspects () - { - return aspects; - } - - /** - * Returns a List of EOAssociation subclasses that, - * for the objects that are usable for this association, - * are less suitable than this association. - */ - public static NSArray associationClassesSuperseded () - { - return new NSArray(); - } - - /** - * Returns whether this class can control the specified - * object. - * This implementation expects a ButtonModel or a class - * that has a "getModel" method that returns a ButtonModel. - */ - public static boolean isUsableWithObject ( Object anObject ) - { - return - ( anObject instanceof ButtonModel ) - || ( getModel.implementedByObject( anObject ) ); - } - - /** - * Returns a List of properties of the controlled object - * that are controlled by this class. For example, - * "stringValue", or "selected". - */ - public static NSArray objectKeysTaken () - { - return objectKeysTaken; - } - - /** - * Returns the aspect that is considered primary - * or default. - */ - public static String primaryAspect () - { - return ValueAspect; - } - - /** - * Returns whether this association can bind to the - * specified display group on the specified key for - * the specified aspect. - */ - public boolean canBindAspect ( - String anAspect, EODisplayGroup aDisplayGroup, String aKey) - { - return ( aspects.containsObject( anAspect ) ); - } - - /** - * Establishes a connection between this association - * and the controlled object. Subclasses should begin - * listening for events from their controlled object here. - */ - public void establishConnection () - { - buttonModel.addChangeListener( this ); - super.establishConnection(); - subjectChanged(); - } - - /** - * Breaks the connection between this association and - * its object. Override to stop listening for events - * from the object. - */ - public void breakConnection () - { - buttonModel.removeChangeListener( this ); - super.breakConnection(); - } - - /** - * Called when either the selection or the contents - * of an associated display group have changed. - * This implementation does nothing. - */ - public void subjectChanged () - { - Object component = object(); - EODisplayGroup displayGroup; - String key; - - // value aspect - displayGroup = displayGroupForAspect( ValueAspect ); - - if ( displayGroup != null ) - { - key = displayGroupKeyForAspect( ValueAspect ); - if ( component instanceof Component ) - { - ((Component)component).setEnabled( - displayGroup.enabledToSetSelectedObjectValueForKey( key ) ); - } - - Object value; - if ( displayGroup.selectedObjects().size() > 1 ) - { - // if there're more than one object selected, set - // the value to blank for all of them. - Object previousValue; - - Iterator indexIterator = displayGroup.selectionIndexes(). - iterator(); - - // get value for the first selected object. - int initialIndex = ( (Integer)indexIterator.next() ).intValue(); - previousValue = displayGroup.valueForObjectAtIndex( - initialIndex, key ); - value = null; - - // go through the rest of the selected objects, compare each - // value with the previous one. continue comparing if two - // values are equal, break the while loop if they're different. - // the final value will be the common value of all selected objects - // if there is one, or be blank if there is not. - while ( indexIterator.hasNext() ) - { - int index = ( (Integer)indexIterator.next() ).intValue(); - Object currentValue = displayGroup.valueForObjectAtIndex( - index, key ); - if ( currentValue != null && !currentValue.equals( previousValue ) ) - { - value = null; - break; - } - else - { - // currentValue is the same as the previous one - value = currentValue; - } - - } // end while - - } - else // displayGroup has only one object - { - value = - displayGroup.selectedObjectValueForKey( key ); - } // end checking size of displayGroup - - buttonModel.setArmed( false ); - buttonModel.setPressed( false ); - - if ( value != null ) - { - Boolean converted = (Boolean) - ValueConverter.convertObjectToClass( - value, Boolean.class ); - if ( converted != null ) - { - lastKnownValue = converted.booleanValue(); - if ( converted.booleanValue() != - buttonModel.isSelected() ) - { - buttonModel.removeChangeListener( this ); - buttonModel.setSelected( - converted.booleanValue() ); - buttonModel.addChangeListener( this ); - } - } // end checking converted == null - } - else - { - buttonModel.setArmed( true ); - buttonModel.setPressed( true ); - } - } - - // enabled aspect - displayGroup = displayGroupForAspect( EnabledAspect ); - if ( displayGroup != null ) - { - key = displayGroupKeyForAspect( EnabledAspect ); - Object value = - displayGroup.selectedObjectValueForKey( key ); - Boolean converted = null; - if ( value != null ) - { - converted = (Boolean) - ValueConverter.convertObjectToClass( - value, Boolean.class ); - } - if ( converted == null ) converted = Boolean.FALSE; - if ( converted.booleanValue() != - buttonModel.isEnabled() ) - { - buttonModel.removeChangeListener( this ); - buttonModel.setEnabled( - converted.booleanValue() ); - buttonModel.addChangeListener( this ); - } - } - - // visible aspect - displayGroup = displayGroupForAspect( VisibleAspect ); - if ( displayGroup != null ) - { - key = displayGroupKeyForAspect( VisibleAspect ); - Object value = - displayGroup.selectedObjectValueForKey( key ); - Boolean converted = (Boolean) - ValueConverter.convertObjectToClass( - value, Boolean.class ); - if ( converted != null ) - { - if ( converted.booleanValue() != - ((Component)component).isVisible() ) - { - ((Component)component).setVisible( - converted.booleanValue() ); - } - } - } - } - - /** - * Writes the value currently in the component - * to the selected object in the display group - * bound to the value aspect. - * @return false if there were problems validating, - * or true to continue. - */ - protected boolean writeValueToDisplayGroup() - { - EODisplayGroup displayGroup = - displayGroupForAspect( ValueAspect ); - if ( displayGroup != null ) - { - boolean returnValue = true; - String key = displayGroupKeyForAspect( ValueAspect ); - Object value = new Boolean( buttonModel.isSelected() ); - - Iterator selectedIterator = displayGroup.selectionIndexes().iterator(); - while ( selectedIterator.hasNext() ) - { - int index = ( (Integer)selectedIterator.next() ).intValue(); - - if ( !displayGroup.setValueForObjectAtIndex( value, index, key ) ) - { - returnValue = false; - } - } - return returnValue; - - } - return false; - } - // interface ChangeListener - - public void stateChanged(ChangeEvent e) - { - if ( buttonModel.isSelected() != lastKnownValue ) - { - lastKnownValue = buttonModel.isSelected(); - writeValueToDisplayGroup(); - } - } + * ButtonAssociation binds any component that uses a ButtonModel (all Swing + * button classes) to a display group. This association should be used to handle + * individual JRadioButtons and JCheckBoxes. Bindings are: + * <ul> + * <li>value: a boolean property that determines the selected state of the + * button model. This will set the value for radio buttons and check boxes.</li> + * <li>enabled: a boolean property that determines the enabled state of the + * button model.</li> + * <li>visible: a boolean property that determines the visible state of the + * button model.</li> + * </ul> + * + * @author michael@mpowers.net + * @author $Author: cgruber $ + * @version $Revision: 904 $ + */ +public class ButtonAssociation extends EOAssociation implements ChangeListener { + static final NSArray aspects = new NSArray(new Object[] { ValueAspect, EnabledAspect, VisibleAspect }); + static final NSArray aspectSignatures = new NSArray(new Object[] { AttributeToOneAspectSignature, + AttributeToOneAspectSignature, AttributeToOneAspectSignature }); + static final NSArray objectKeysTaken = new NSArray(new Object[] { "model.selected" }); + + static NSSelector getModel = new NSSelector("getModel", new Class[] {}); + + protected ButtonModel buttonModel; + protected boolean lastKnownValue; + + /** + * Constructor specifying the object to be controlled by this association. Does + * not establish connection. This implementation expects a ButtonModel or a + * class that has a "getModel" method that returns a ButtonModel. + */ + public ButtonAssociation(Object anObject) { + super(anObject); + + if (anObject instanceof ButtonModel) { + buttonModel = (ButtonModel) anObject; + } else { + try { + buttonModel = (ButtonModel) getModel.invoke(anObject); + } catch (Exception exc) { + throw new WotonomyException( + "EOButtonAssociation: " + "could not retrieve a button model from object:" + anObject); + } + } + } + + /** + * Returns a List of aspect signatures whose contents correspond with the + * aspects list. Each element is a string whose characters represent a + * capability of the corresponding aspect. + * <ul> + * <li>"A" attribute: the aspect can be bound to an attribute.</li> + * <li>"1" to-one: the aspect can be bound to a property that returns a single + * object.</li> + * <li>"M" to-one: the aspect can be bound to a property that returns multiple + * objects.</li> + * </ul> + * An empty signature "" means that the aspect can bind without needing a key. + * This implementation returns "A1M" for each element in the aspects array. + */ + public static NSArray aspectSignatures() { + return aspectSignatures; + } + + /** + * Returns a List that describes the aspects supported by this class. Each + * element in the list is the string name of the aspect. This implementation + * returns an empty list. + */ + public static NSArray aspects() { + return aspects; + } + + /** + * Returns a List of EOAssociation subclasses that, for the objects that are + * usable for this association, are less suitable than this association. + */ + public static NSArray associationClassesSuperseded() { + return new NSArray(); + } + + /** + * Returns whether this class can control the specified object. This + * implementation expects a ButtonModel or a class that has a "getModel" method + * that returns a ButtonModel. + */ + public static boolean isUsableWithObject(Object anObject) { + return (anObject instanceof ButtonModel) || (getModel.implementedByObject(anObject)); + } + + /** + * Returns a List of properties of the controlled object that are controlled by + * this class. For example, "stringValue", or "selected". + */ + public static NSArray objectKeysTaken() { + return objectKeysTaken; + } + + /** + * Returns the aspect that is considered primary or default. + */ + public static String primaryAspect() { + return ValueAspect; + } + + /** + * Returns whether this association can bind to the specified display group on + * the specified key for the specified aspect. + */ + public boolean canBindAspect(String anAspect, EODisplayGroup aDisplayGroup, String aKey) { + return (aspects.containsObject(anAspect)); + } + + /** + * Establishes a connection between this association and the controlled object. + * Subclasses should begin listening for events from their controlled object + * here. + */ + public void establishConnection() { + buttonModel.addChangeListener(this); + super.establishConnection(); + subjectChanged(); + } + + /** + * Breaks the connection between this association and its object. Override to + * stop listening for events from the object. + */ + public void breakConnection() { + buttonModel.removeChangeListener(this); + super.breakConnection(); + } + + /** + * Called when either the selection or the contents of an associated display + * group have changed. This implementation does nothing. + */ + public void subjectChanged() { + Object component = object(); + EODisplayGroup displayGroup; + String key; + + // value aspect + displayGroup = displayGroupForAspect(ValueAspect); + + if (displayGroup != null) { + key = displayGroupKeyForAspect(ValueAspect); + if (component instanceof Component) { + ((Component) component).setEnabled(displayGroup.enabledToSetSelectedObjectValueForKey(key)); + } + + Object value; + if (displayGroup.selectedObjects().size() > 1) { + // if there're more than one object selected, set + // the value to blank for all of them. + Object previousValue; + + Iterator indexIterator = displayGroup.selectionIndexes().iterator(); + + // get value for the first selected object. + int initialIndex = ((Integer) indexIterator.next()).intValue(); + previousValue = displayGroup.valueForObjectAtIndex(initialIndex, key); + value = null; + + // go through the rest of the selected objects, compare each + // value with the previous one. continue comparing if two + // values are equal, break the while loop if they're different. + // the final value will be the common value of all selected objects + // if there is one, or be blank if there is not. + while (indexIterator.hasNext()) { + int index = ((Integer) indexIterator.next()).intValue(); + Object currentValue = displayGroup.valueForObjectAtIndex(index, key); + if (currentValue != null && !currentValue.equals(previousValue)) { + value = null; + break; + } else { + // currentValue is the same as the previous one + value = currentValue; + } + + } // end while + + } else // displayGroup has only one object + { + value = displayGroup.selectedObjectValueForKey(key); + } // end checking size of displayGroup + + buttonModel.setArmed(false); + buttonModel.setPressed(false); + + if (value != null) { + Boolean converted = (Boolean) ValueConverter.convertObjectToClass(value, Boolean.class); + if (converted != null) { + lastKnownValue = converted.booleanValue(); + if (converted.booleanValue() != buttonModel.isSelected()) { + buttonModel.removeChangeListener(this); + buttonModel.setSelected(converted.booleanValue()); + buttonModel.addChangeListener(this); + } + } // end checking converted == null + } else { + buttonModel.setArmed(true); + buttonModel.setPressed(true); + } + } + + // enabled aspect + displayGroup = displayGroupForAspect(EnabledAspect); + if (displayGroup != null) { + key = displayGroupKeyForAspect(EnabledAspect); + Object value = displayGroup.selectedObjectValueForKey(key); + Boolean converted = null; + if (value != null) { + converted = (Boolean) ValueConverter.convertObjectToClass(value, Boolean.class); + } + if (converted == null) + converted = Boolean.FALSE; + if (converted.booleanValue() != buttonModel.isEnabled()) { + buttonModel.removeChangeListener(this); + buttonModel.setEnabled(converted.booleanValue()); + buttonModel.addChangeListener(this); + } + } + + // visible aspect + displayGroup = displayGroupForAspect(VisibleAspect); + if (displayGroup != null) { + key = displayGroupKeyForAspect(VisibleAspect); + Object value = displayGroup.selectedObjectValueForKey(key); + Boolean converted = (Boolean) ValueConverter.convertObjectToClass(value, Boolean.class); + if (converted != null) { + if (converted.booleanValue() != ((Component) component).isVisible()) { + ((Component) component).setVisible(converted.booleanValue()); + } + } + } + } + + /** + * Writes the value currently in the component to the selected object in the + * display group bound to the value aspect. + * + * @return false if there were problems validating, or true to continue. + */ + protected boolean writeValueToDisplayGroup() { + EODisplayGroup displayGroup = displayGroupForAspect(ValueAspect); + if (displayGroup != null) { + boolean returnValue = true; + String key = displayGroupKeyForAspect(ValueAspect); + Object value = new Boolean(buttonModel.isSelected()); + + Iterator selectedIterator = displayGroup.selectionIndexes().iterator(); + while (selectedIterator.hasNext()) { + int index = ((Integer) selectedIterator.next()).intValue(); + + if (!displayGroup.setValueForObjectAtIndex(value, index, key)) { + returnValue = false; + } + } + return returnValue; + + } + return false; + } + // interface ChangeListener + + public void stateChanged(ChangeEvent e) { + if (buttonModel.isSelected() != lastKnownValue) { + lastKnownValue = buttonModel.isSelected(); + writeValueToDisplayGroup(); + } + } } /* - * $Log$ - * Revision 1.2 2006/02/18 23:19:05 cgruber - * Update imports and maven dependencies. + * $Log$ 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 1.1 2006/02/16 13:22:22 cgruber Check in all sources in + * eclipse-friendly maven-enabled packages. * - * Revision 1.8 2004/01/28 18:34:57 mpowers - * Better handling for enabling. - * Now respecting enabledToSetSelectedObjectValueForKey from display group. + * Revision 1.8 2004/01/28 18:34:57 mpowers Better handling for enabling. Now + * respecting enabledToSetSelectedObjectValueForKey from display group. * - * Revision 1.7 2003/08/06 23:07:52 chochos - * general code cleanup (mostly, removing unused imports) + * Revision 1.7 2003/08/06 23:07:52 chochos general code cleanup (mostly, + * removing unused imports) * - * Revision 1.6 2001/07/30 16:32:55 mpowers - * Implemented support for bulk-editing. Detail associations will now - * apply changes to all selected objects. + * Revision 1.6 2001/07/30 16:32:55 mpowers Implemented support for + * bulk-editing. Detail associations will now apply changes to all selected + * objects. * - * Revision 1.5 2001/06/29 22:28:19 mpowers - * Tabs to spaces. + * Revision 1.5 2001/06/29 22:28:19 mpowers Tabs to spaces. * - * Revision 1.4 2001/06/29 22:17:31 mpowers - * Now updating the component on establishConnection. + * Revision 1.4 2001/06/29 22:17:31 mpowers Now updating the component on + * establishConnection. * - * Revision 1.3 2001/02/27 02:10:38 mpowers - * No longer updating values to the display group if the value - * has not changed. + * Revision 1.3 2001/02/27 02:10:38 mpowers No longer updating values to the + * display group if the value has not changed. * - * Revision 1.2 2001/02/21 20:33:01 mpowers - * Fixed bug with change listener. + * Revision 1.2 2001/02/21 20:33:01 mpowers Fixed bug with change listener. * - * Revision 1.1.1.1 2000/12/21 15:48:38 mpowers - * Contributing wotonomy. + * Revision 1.1.1.1 2000/12/21 15:48:38 mpowers Contributing wotonomy. * - * Revision 1.3 2000/12/20 16:25:40 michael - * Added log to all files. + * Revision 1.3 2000/12/20 16:25:40 michael Added log to all files. * * */ - |
