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Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/swing/ListSpinnerModelAdapter.java')
-rw-r--r--common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/swing/ListSpinnerModelAdapter.java218
1 files changed, 0 insertions, 218 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/swing/ListSpinnerModelAdapter.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/swing/ListSpinnerModelAdapter.java
deleted file mode 100644
index af3e0b0187..0000000000
--- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/swing/ListSpinnerModelAdapter.java
+++ /dev/null
@@ -1,218 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2010 Oracle. All rights reserved.
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0, which accompanies this distribution
- * and is available at http://www.eclipse.org/legal/epl-v10.html.
- *
- * Contributors:
- * Oracle - initial API and implementation
- ******************************************************************************/
-package org.eclipse.jpt.common.utility.internal.model.value.swing;
-
-import java.util.Arrays;
-import java.util.List;
-import javax.swing.SpinnerListModel;
-import javax.swing.event.ChangeListener;
-import org.eclipse.jpt.common.utility.internal.StringTools;
-import org.eclipse.jpt.common.utility.internal.model.listener.awt.AWTPropertyChangeListenerWrapper;
-import org.eclipse.jpt.common.utility.model.event.PropertyChangeEvent;
-import org.eclipse.jpt.common.utility.model.listener.PropertyChangeListener;
-import org.eclipse.jpt.common.utility.model.value.PropertyValueModel;
-import org.eclipse.jpt.common.utility.model.value.WritablePropertyValueModel;
-
-/**
- * This javax.swing.SpinnerListModel can be used to keep a ChangeListener
- * (e.g. a JSpinner) in synch with a PropertyValueModel that holds a value
- * in the list.
- *
- * This class must be a sub-class of SpinnerListModel because of some
- * crappy jdk code.... ~bjv
- * @see javax.swing.JSpinner#createEditor(javax.swing.SpinnerModel)
- *
- * NB: This model should only be used for values that have a reasonably
- * inexpensive #equals() implementation.
- * @see #synchronize(Object)
- *
- * If this class needs to be modified, it would behoove us to review the
- * other, similar classes:
- * @see DateSpinnerModelAdapter
- * @see NumberSpinnerModelAdapter
- */
-public class ListSpinnerModelAdapter
- extends SpinnerListModel
-{
-
- /**
- * The default spinner value; used when the underlying model value is null.
- * The default is the first item on the list.
- */
- private final Object defaultValue;
-
- /** A value model on the underlying value. */
- private final WritablePropertyValueModel<Object> valueHolder;
-
- /** A listener that allows us to synchronize with changes made to the underlying value. */
- private final PropertyChangeListener valueChangeListener;
-
-
- // ********** constructors **********
-
- /**
- * Constructor - the value holder is required.
- * Use the model value itself as the default spinner value.
- */
- public ListSpinnerModelAdapter(WritablePropertyValueModel<Object> valueHolder) {
- this(valueHolder, valueHolder.getValue());
- }
-
- /**
- * Constructor - the value holder is required.
- */
- public ListSpinnerModelAdapter(WritablePropertyValueModel<Object> valueHolder, Object defaultValue) {
- this(valueHolder, new Object[] {defaultValue}, defaultValue);
- }
-
- /**
- * Constructor - the value holder is required.
- * Use the first item in the list of values as the default spinner value.
- */
- public ListSpinnerModelAdapter(WritablePropertyValueModel<Object> valueHolder, Object[] values) {
- this(valueHolder, values, values[0]);
- }
-
- /**
- * Constructor - the value holder is required.
- */
- public ListSpinnerModelAdapter(WritablePropertyValueModel<Object> valueHolder, Object[] values, Object defaultValue) {
- this(valueHolder, Arrays.asList(values), defaultValue);
- }
-
- /**
- * Constructor - the value holder is required.
- * Use the first item in the list of values as the default spinner value.
- */
- public ListSpinnerModelAdapter(WritablePropertyValueModel<Object> valueHolder, List<Object> values) {
- this(valueHolder, values, values.get(0));
- }
-
- /**
- * Constructor - the value holder is required.
- */
- public ListSpinnerModelAdapter(WritablePropertyValueModel<Object> valueHolder, List<Object> values, Object defaultValue) {
- super(values);
- this.valueHolder = valueHolder;
- this.valueChangeListener = this.buildValueChangeListener();
- // postpone listening to the underlying value
- // until we have listeners ourselves...
- this.defaultValue = defaultValue;
- }
-
-
- // ********** initialization **********
-
- protected PropertyChangeListener buildValueChangeListener() {
- return new AWTPropertyChangeListenerWrapper(this.buildValueChangeListener_());
- }
-
- protected PropertyChangeListener buildValueChangeListener_() {
- return new PropertyChangeListener() {
- public void propertyChanged(PropertyChangeEvent event) {
- ListSpinnerModelAdapter.this.synchronize(event.getNewValue());
- }
- @Override
- public String toString() {
- return "value listener"; //$NON-NLS-1$
- }
- };
- }
-
-
- // ********** SpinnerModel implementation **********
-
- /**
- * Extend to check whether this method is being called before we
- * have any listeners.
- * This is necessary because some crappy jdk code gets the value
- * from the model *before* listening to the model. ~bjv
- * @see javax.swing.JSpinner.DefaultEditor(javax.swing.JSpinner)
- */
- @Override
- public Object getValue() {
- if (this.getChangeListeners().length == 0) {
- // sorry about this "lateral" call to super ~bjv
- super.setValue(this.spinnerValueOf(this.valueHolder.getValue()));
- }
- return super.getValue();
- }
-
- /**
- * Extend to update the underlying value directly.
- * The resulting event will be ignored: @see #synchronize(Object).
- */
- @Override
- public void setValue(Object value) {
- super.setValue(value);
- this.valueHolder.setValue(value);
- }
-
- /**
- * Extend to start listening to the underlying value if necessary.
- */
- @Override
- public void addChangeListener(ChangeListener listener) {
- if (this.getChangeListeners().length == 0) {
- this.valueHolder.addPropertyChangeListener(PropertyValueModel.VALUE, this.valueChangeListener);
- this.synchronize(this.valueHolder.getValue());
- }
- super.addChangeListener(listener);
- }
-
- /**
- * Extend to stop listening to the underlying value if appropriate.
- */
- @Override
- public void removeChangeListener(ChangeListener listener) {
- super.removeChangeListener(listener);
- if (this.getChangeListeners().length == 0) {
- this.valueHolder.removePropertyChangeListener(PropertyValueModel.VALUE, this.valueChangeListener);
- }
- }
-
-
- // ********** queries **********
-
- protected Object getDefaultValue() {
- return this.defaultValue;
- }
-
- /**
- * Convert to a non-null value.
- */
- protected Object spinnerValueOf(Object value) {
- return (value == null) ? this.getDefaultValue() : value;
- }
-
-
- // ********** behavior **********
-
- /**
- * Set the spinner value if it has changed.
- */
- void synchronize(Object value) {
- Object newValue = this.spinnerValueOf(value);
- // check to see whether the spinner value has already been synchronized
- // (via #setValue())
- if ( ! this.getValue().equals(newValue)) {
- this.setValue(newValue);
- }
- }
-
-
- // ********** standard methods **********
-
- @Override
- public String toString() {
- return StringTools.buildToStringFor(this, this.valueHolder);
- }
-
-}

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