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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/swing/ListModelAdapter.java')
-rw-r--r--jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/swing/ListModelAdapter.java287
1 files changed, 0 insertions, 287 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/swing/ListModelAdapter.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/swing/ListModelAdapter.java
deleted file mode 100644
index e4ad741c12..0000000000
--- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/swing/ListModelAdapter.java
+++ /dev/null
@@ -1,287 +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 javax.swing.AbstractListModel;
-import javax.swing.event.ListDataListener;
-
-import org.eclipse.jpt.utility.internal.StringTools;
-import org.eclipse.jpt.utility.internal.model.listener.awt.AWTListChangeListenerWrapper;
-import org.eclipse.jpt.utility.internal.model.value.CollectionListValueModelAdapter;
-import org.eclipse.jpt.utility.model.event.ListChangeEvent;
-import org.eclipse.jpt.utility.model.listener.ListChangeListener;
-import org.eclipse.jpt.utility.model.value.CollectionValueModel;
-import org.eclipse.jpt.utility.model.value.ListValueModel;
-
-/**
- * This javax.swing.ListModel can be used to keep a ListDataListener
- * (e.g. a JList) in synch with a ListValueModel (or a CollectionValueModel).
- *
- * An instance of this ListModel *must* be supplied with a value model,
- * which is a ListValueModel on the bound list or a CollectionValueModel
- * on the bound collection. This is required - the list (or collection)
- * itself can be null, but the value model that holds it cannot.
- */
-public class ListModelAdapter
- extends AbstractListModel
-{
- /** A value model on the underlying model list. */
- protected ListValueModel<?> listHolder;
-
- /**
- * Cache the size of the list for "dramatic" changes.
- * @see #listChanged(ListChangeEvent)
- */
- protected int listSize;
-
- /** A listener that allows us to forward changes made to the underlying model list. */
- protected final ListChangeListener listChangeListener;
-
-
- // ********** constructors **********
-
- /**
- * Default constructor - initialize stuff.
- */
- private ListModelAdapter() {
- super();
- this.listSize = 0;
- this.listChangeListener = this.buildListChangeListener();
- }
-
- /**
- * Constructor - the list holder is required.
- */
- public ListModelAdapter(ListValueModel<?> listHolder) {
- this();
- this.setModel(listHolder);
- }
-
- /**
- * Constructor - the collection holder is required.
- */
- public ListModelAdapter(CollectionValueModel<?> collectionHolder) {
- this();
- this.setModel(collectionHolder);
- }
-
-
- // ********** initialization **********
-
- protected ListChangeListener buildListChangeListener() {
- return new AWTListChangeListenerWrapper(this.buildListChangeListener_());
- }
-
- protected ListChangeListener buildListChangeListener_() {
- return new ListChangeListener() {
- public void itemsAdded(ListChangeEvent event) {
- ListModelAdapter.this.itemsAdded(event);
- }
- public void itemsRemoved(ListChangeEvent event) {
- ListModelAdapter.this.itemsRemoved(event);
- }
- public void itemsReplaced(ListChangeEvent event) {
- ListModelAdapter.this.itemsReplaced(event);
- }
- public void itemsMoved(ListChangeEvent event) {
- ListModelAdapter.this.itemsMoved(event);
- }
- public void listCleared(ListChangeEvent event) {
- ListModelAdapter.this.listCleared();
- }
- public void listChanged(ListChangeEvent event) {
- ListModelAdapter.this.listChanged();
- }
- @Override
- public String toString() {
- return "list listener";
- }
- };
- }
-
-
- // ********** ListModel implementation **********
-
- public int getSize() {
- return this.listHolder.size();
- }
-
- public Object getElementAt(int index) {
- return this.listHolder.get(index);
- }
-
- /**
- * Extend to start listening to the underlying model list if necessary.
- */
- @Override
- public void addListDataListener(ListDataListener l) {
- if (this.hasNoListDataListeners()) {
- this.engageModel();
- this.listSize = this.listHolder.size();
- }
- super.addListDataListener(l);
- }
-
- /**
- * Extend to stop listening to the underlying model list if appropriate.
- */
- @Override
- public void removeListDataListener(ListDataListener l) {
- super.removeListDataListener(l);
- if (this.hasNoListDataListeners()) {
- this.disengageModel();
- this.listSize = 0;
- }
- }
-
-
- // ********** public API **********
-
- /**
- * Return the underlying list model.
- */
- public ListValueModel<?> model() {
- return this.listHolder;
- }
-
- /**
- * Set the underlying list model.
- */
- public void setModel(ListValueModel<?> listHolder) {
- if (listHolder == null) {
- throw new NullPointerException();
- }
- boolean hasListeners = this.hasListDataListeners();
- if (hasListeners) {
- this.disengageModel();
- }
- this.listHolder = listHolder;
- if (hasListeners) {
- this.engageModel();
- this.listChanged();
- }
- }
-
- /**
- * Set the underlying collection model.
- */
- @SuppressWarnings("unchecked")
- public void setModel(CollectionValueModel<?> collectionHolder) {
- this.setModel(new CollectionListValueModelAdapter(collectionHolder));
- }
-
-
- // ********** queries **********
-
- /**
- * Return whether this model has no listeners.
- */
- protected boolean hasNoListDataListeners() {
- return this.getListDataListeners().length == 0;
- }
-
- /**
- * Return whether this model has any listeners.
- */
- protected boolean hasListDataListeners() {
- return ! this.hasNoListDataListeners();
- }
-
-
- // ********** behavior **********
-
- protected void engageModel() {
- this.listHolder.addListChangeListener(ListValueModel.LIST_VALUES, this.listChangeListener);
- }
-
- protected void disengageModel() {
- this.listHolder.removeListChangeListener(ListValueModel.LIST_VALUES, this.listChangeListener);
- }
-
-
-
- // ********** list change support **********
-
- /**
- * Items were added to the underlying model list.
- * Notify listeners of the changes.
- */
- protected void itemsAdded(ListChangeEvent event) {
- int start = event.getIndex();
- int end = start + event.itemsSize() - 1;
- this.fireIntervalAdded(this, start, end);
- this.listSize += event.itemsSize();
- }
-
- /**
- * Items were removed from the underlying model list.
- * Notify listeners of the changes.
- */
- protected void itemsRemoved(ListChangeEvent event) {
- int start = event.getIndex();
- int end = start + event.itemsSize() - 1;
- this.fireIntervalRemoved(this, start, end);
- this.listSize -= event.itemsSize();
- }
-
- /**
- * Items were replaced in the underlying model list.
- * Notify listeners of the changes.
- */
- protected void itemsReplaced(ListChangeEvent event) {
- int start = event.getIndex();
- int end = start + event.itemsSize() - 1;
- this.fireContentsChanged(this, start, end);
- }
-
- /**
- * Items were moved in the underlying model list.
- * Notify listeners of the changes.
- */
- protected void itemsMoved(ListChangeEvent event) {
- int start = Math.min(event.getSourceIndex(), event.getTargetIndex());
- int end = Math.max(event.getSourceIndex(), event.getTargetIndex()) + event.getMoveLength() - 1;
- this.fireContentsChanged(this, start, end);
- }
-
- /**
- * The underlying model list was cleared.
- * Notify listeners of the changes.
- */
- protected void listCleared() {
- if (this.listSize != 0) {
- this.fireIntervalRemoved(this, 0, this.listSize - 1);
- this.listSize = 0;
- }
- }
-
- /**
- * The underlying model list has changed "dramatically".
- * Notify listeners of the changes.
- */
- protected void listChanged() {
- if (this.listSize != 0) {
- this.fireIntervalRemoved(this, 0, this.listSize - 1);
- }
- this.listSize = this.listHolder.size();
- if (this.listSize != 0) {
- this.fireIntervalAdded(this, 0, this.listSize - 1);
- }
- }
-
-
- // ********** Object overrides **********
-
- @Override
- public String toString() {
- return StringTools.buildToStringFor(this, this.listHolder);
- }
-
-}

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