diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/swing/DateSpinnerModelAdapter.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/swing/DateSpinnerModelAdapter.java | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/swing/DateSpinnerModelAdapter.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/swing/DateSpinnerModelAdapter.java deleted file mode 100644 index 8d0256b4da..0000000000 --- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/swing/DateSpinnerModelAdapter.java +++ /dev/null @@ -1,200 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2007, 2008 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.utility.internal.model.value.swing; - -import java.util.Calendar; -import java.util.Date; - -import javax.swing.SpinnerDateModel; -import javax.swing.event.ChangeListener; - -import org.eclipse.jpt.utility.internal.StringTools; -import org.eclipse.jpt.utility.internal.model.listener.awt.AWTPropertyChangeListenerWrapper; -import org.eclipse.jpt.utility.model.event.PropertyChangeEvent; -import org.eclipse.jpt.utility.model.listener.PropertyChangeListener; -import org.eclipse.jpt.utility.model.value.PropertyValueModel; -import org.eclipse.jpt.utility.model.value.WritablePropertyValueModel; - -/** - * This javax.swing.SpinnerDateModel can be used to keep a ChangeListener - * (e.g. a JSpinner) in synch with a PropertyValueModel that holds a date. - * - * This class must be a sub-class of SpinnerDateModel because of some - * crappy jdk code.... ~bjv - * @see javax.swing.JSpinner#createEditor(javax.swing.SpinnerModel) - * - * If this class needs to be modified, it would behoove us to review the - * other, similar classes: - * @see ListSpinnerModelAdapter - * @see NumberSpinnerModelAdapter - */ -public class DateSpinnerModelAdapter - extends SpinnerDateModel -{ - - /** - * The default spinner value; used when the underlying model date value is null. - * The default is the current date. - */ - private final Date defaultValue; - - /** A value model on the underlying date. */ - private final WritablePropertyValueModel<Object> dateHolder; - - /** A listener that allows us to synchronize with changes made to the underlying date. */ - private final PropertyChangeListener dateChangeListener; - - - // ********** constructors ********** - - /** - * Constructor - the date holder is required. - * The default spinner value is the current date. - */ - public DateSpinnerModelAdapter(WritablePropertyValueModel<Object> dateHolder) { - this(dateHolder, new Date()); - } - - /** - * Constructor - the date holder and default value are required. - */ - public DateSpinnerModelAdapter(WritablePropertyValueModel<Object> dateHolder, Date defaultValue) { - this(dateHolder, null, null, Calendar.DAY_OF_MONTH, defaultValue); - } - - /** - * Constructor - the date holder is required. - * The default spinner value is the current date. - */ - public DateSpinnerModelAdapter(WritablePropertyValueModel<Object> dateHolder, Comparable<?> start, Comparable<?> end, int calendarField) { - this(dateHolder, start, end, calendarField, new Date()); - } - - /** - * Constructor - the date holder is required. - */ - public DateSpinnerModelAdapter(WritablePropertyValueModel<Object> dateHolder, Comparable<?> start, Comparable<?> end, int calendarField, Date defaultValue) { - super(dateHolder.getValue() == null ? defaultValue : (Date) dateHolder.getValue(), start, end, calendarField); - this.dateHolder = dateHolder; - this.dateChangeListener = this.buildDateChangeListener(); - // postpone listening to the underlying date - // until we have listeners ourselves... - this.defaultValue = defaultValue; - } - - - // ********** initialization ********** - - protected PropertyChangeListener buildDateChangeListener() { - return new AWTPropertyChangeListenerWrapper(this.buildDateChangeListener_()); - } - - protected PropertyChangeListener buildDateChangeListener_() { - return new PropertyChangeListener() { - public void propertyChanged(PropertyChangeEvent event) { - DateSpinnerModelAdapter.this.synchronize(event.getNewValue()); - } - @Override - public String toString() { - return "date listener"; - } - }; - } - - - // ********** 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.dateHolder.getValue())); - } - return super.getValue(); - } - - /** - * Extend to update the underlying date directly. - * The resulting event will be ignored: @see #synchronize(Object). - */ - @Override - public void setValue(Object value) { - super.setValue(value); - this.dateHolder.setValue(value); - } - - /** - * Extend to start listening to the underlying date if necessary. - */ - @Override - public void addChangeListener(ChangeListener listener) { - if (this.getChangeListeners().length == 0) { - this.dateHolder.addPropertyChangeListener(PropertyValueModel.VALUE, this.dateChangeListener); - this.synchronize(this.dateHolder.getValue()); - } - super.addChangeListener(listener); - } - - /** - * Extend to stop listening to the underlying date if appropriate. - */ - @Override - public void removeChangeListener(ChangeListener listener) { - super.removeChangeListener(listener); - if (this.getChangeListeners().length == 0) { - this.dateHolder.removePropertyChangeListener(PropertyValueModel.VALUE, this.dateChangeListener); - } - } - - - // ********** queries ********** - - protected Date 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 date 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.dateHolder); - } - -} |