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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/swt/SpinnerModelAdapter.java')
-rw-r--r--jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/swt/SpinnerModelAdapter.java214
1 files changed, 0 insertions, 214 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/swt/SpinnerModelAdapter.java b/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/swt/SpinnerModelAdapter.java
deleted file mode 100644
index 9f997ed645..0000000000
--- a/jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/swt/SpinnerModelAdapter.java
+++ /dev/null
@@ -1,214 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 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.ui.internal.swt;
-
-import org.eclipse.jpt.ui.internal.listeners.SWTPropertyChangeListenerWrapper;
-import org.eclipse.jpt.utility.internal.StringTools;
-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;
-import org.eclipse.swt.events.DisposeEvent;
-import org.eclipse.swt.events.DisposeListener;
-import org.eclipse.swt.events.ModifyEvent;
-import org.eclipse.swt.events.ModifyListener;
-import org.eclipse.swt.widgets.Spinner;
-
-/**
- *
- */
-@SuppressWarnings("nls")
-public class SpinnerModelAdapter {
-
- /**
- * A value model on the underlying model list.
- */
- protected final WritablePropertyValueModel<Integer> numberHolder;
-
- /**
- * A listener that allows us to synchronize the spinner's contents with
- * the model list.
- */
- protected final PropertyChangeListener propertyChangeListener;
-
- /**
- * The spinner we keep synchronized with the model string.
- */
- protected final Spinner spinner;
-
- /**
- * A listener that allows us to synchronize our selection number holder
- * with the spinner's value.
- */
- protected final ModifyListener spinnerModifyListener;
-
- /**
- * A listener that allows us to stop listening to stuff when the spinner
- * is disposed.
- */
- protected final DisposeListener spinnerDisposeListener;
-
- /**
- * The value shown when the number holder's value is <code>null</code>.
- */
- protected final int defaultValue;
-
- /**
- * This lock is used to prevent the listeners to be notified when the value
- * changes from the spinner or from the holder.
- */
- private boolean locked;
-
- // ********** static methods **********
-
- /**
- * Adapt the specified model list and selections to the specified spinner.
- * Use the specified string converter to convert the model items to strings
- * to be displayed in the spinner.
- */
- public static SpinnerModelAdapter adapt(
- WritablePropertyValueModel<Integer> numberHolder,
- Spinner spinner,
- int defaultValue)
- {
- return new SpinnerModelAdapter(numberHolder, spinner, defaultValue);
- }
-
-
- // ********** constructors **********
-
- /**
- * Constructor - the list holder, selections holder, list box, and
- * string converter are required.
- */
- protected SpinnerModelAdapter(WritablePropertyValueModel<Integer> numberHolder,
- Spinner spinner,
- int defaultValue) {
- super();
- if ((numberHolder == null) || (spinner == null)) {
- throw new NullPointerException();
- }
- this.numberHolder = numberHolder;
- this.spinner = spinner;
- this.defaultValue = defaultValue;
-
- this.propertyChangeListener = this.buildPropertyChangeListener();
- this.numberHolder.addPropertyChangeListener(PropertyValueModel.VALUE, this.propertyChangeListener);
-
- this.spinnerModifyListener = this.buildSpinnerModifyListener();
- this.spinner.addModifyListener(this.spinnerModifyListener);
-
- this.spinnerDisposeListener = this.buildSpinnerDisposeListener();
- this.spinner.addDisposeListener(this.spinnerDisposeListener);
-
- this.updateSpinner(numberHolder.getValue());
- }
-
-
- // ********** initialization **********
-
- protected PropertyChangeListener buildPropertyChangeListener() {
- return new SWTPropertyChangeListenerWrapper(this.buildPropertyChangeListener_());
- }
-
- protected PropertyChangeListener buildPropertyChangeListener_() {
- return new PropertyChangeListener() {
- public void propertyChanged(PropertyChangeEvent event) {
- SpinnerModelAdapter.this.valueChanged(event);
- }
- @Override
- public String toString() {
- return "spinner listener";
- }
- };
- }
-
- protected ModifyListener buildSpinnerModifyListener() {
- return new ModifyListener() {
- public void modifyText(ModifyEvent e) {
- SpinnerModelAdapter.this.spinnerModified(e);
- }
- @Override
- public String toString() {
- return "spinner selection listener";
- }
- };
- }
-
- protected DisposeListener buildSpinnerDisposeListener() {
- return new DisposeListener() {
- public void widgetDisposed(DisposeEvent event) {
- SpinnerModelAdapter.this.spinnerDisposed(event);
- }
- @Override
- public String toString() {
- return "spinner dispose listener";
- }
- };
- }
-
-
- // ********** model events **********
-
- protected void valueChanged(PropertyChangeEvent event) {
- if (!this.locked) {
- this.updateSpinner((Integer) event.getNewValue());
- }
- }
-
-
- // ********** spinner events **********
-
- protected void spinnerModified(ModifyEvent event) {
- if (!this.locked) {
- this.locked = true;
- try {
- this.numberHolder.setValue(this.spinner.getSelection());
- }
- finally {
- this.locked = false;
- }
- }
- }
-
- protected void spinnerDisposed(DisposeEvent event) {
- // the spinner is not yet "disposed" when we receive this event
- // so we can still remove our listeners
- this.spinner.removeDisposeListener(this.spinnerDisposeListener);
- this.spinner.removeModifyListener(this.spinnerModifyListener);
- this.numberHolder.removePropertyChangeListener(PropertyValueModel.VALUE, this.propertyChangeListener);
- }
-
- // ********** update **********
-
- protected void updateSpinner(Integer value) {
- if (this.spinner.isDisposed()) {
- return;
- }
- // the model can be null, but the spinner cannot
- if (value == null) {
- value = defaultValue;
- }
- this.locked = true;
- try {
- this.spinner.setSelection(value);
- }
- finally {
- this.locked = false;
- }
- }
-
- // ********** standard methods **********
-
- @Override
- public String toString() {
- return StringTools.buildToStringFor(this, this.numberHolder);
- }
-}

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