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Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/swing/ObjectListSelectionModel.java')
-rw-r--r--common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/swing/ObjectListSelectionModel.java427
1 files changed, 0 insertions, 427 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/swing/ObjectListSelectionModel.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/swing/ObjectListSelectionModel.java
deleted file mode 100644
index 81647b2842..0000000000
--- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/swing/ObjectListSelectionModel.java
+++ /dev/null
@@ -1,427 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2009 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.Collection;
-import java.util.Iterator;
-import javax.swing.DefaultListSelectionModel;
-import javax.swing.ListModel;
-import javax.swing.event.ListDataEvent;
-import javax.swing.event.ListDataListener;
-import javax.swing.event.ListSelectionListener;
-import org.eclipse.jpt.common.utility.internal.CollectionTools;
-
-/**
- * This ListSelectionModel is aware of the ListModel and
- * provides convenience methods to access and set the
- * selected *objects*, as opposed to the selected *indexes*.
- */
-public class ObjectListSelectionModel
- extends DefaultListSelectionModel
-{
- /** The list model referenced by the list selection model. */
- private final ListModel listModel;
-
- /** A listener that allows us to clear the selection when the list model has changed. */
- private final ListDataListener listDataListener;
-
-
- // ********** constructors **********
-
- /**
- * Construct a list selection model for the specified list model.
- */
- public ObjectListSelectionModel(ListModel listModel) {
- super();
- this.listModel = listModel;
- this.listDataListener = this.buildListDataListener();
- }
-
-
- // ********** initialization **********
-
- private ListDataListener buildListDataListener() {
- return new ListDataListener() {
- public void intervalAdded(ListDataEvent event) {
- // this does not affect the selection
- }
- public void intervalRemoved(ListDataEvent event) {
- // this does not affect the selection
- }
- public void contentsChanged(ListDataEvent event) {
- ObjectListSelectionModel.this.listModelContentsChanged(event);
- }
- @Override
- public String toString() {
- return "list data listener"; //$NON-NLS-1$
- }
- };
- }
-
- /**
- * Typically, the selection does not need to be cleared when the
- * contents of the list have changed. Most of the time this just
- * means an item has changed in a way that affects its display string
- * or icon. We typically only use the class for edits involving
- * single selection.
- * A subclass can override this method if the selection
- * should be cleared because a change could mean the selection is invalid.
- */
- protected void listModelContentsChanged(@SuppressWarnings("unused") ListDataEvent event) {
- /**this.clearSelection();*/
- }
-
-
- // ********** ListSelectionModel implementation **********
-
- @Override
- public void addListSelectionListener(ListSelectionListener l) {
- if (this.hasNoListSelectionListeners()) {
- this.listModel.addListDataListener(this.listDataListener);
- }
- super.addListSelectionListener(l);
- }
-
- @Override
- public void removeListSelectionListener(ListSelectionListener l) {
- super.removeListSelectionListener(l);
- if (this.hasNoListSelectionListeners()) {
- this.listModel.removeListDataListener(this.listDataListener);
- }
- }
-
-
- // ********** queries **********
-
- /**
- * Return whether this model has no listeners.
- */
- protected boolean hasNoListSelectionListeners() { // private-protected
- return this.getListSelectionListeners().length == 0;
- }
-
- /**
- * Return the list model referenced by the list selection model.
- */
- public ListModel getListModel() {
- return this.listModel;
- }
-
- public int selectedValuesSize() {
- int min = this.getMinSelectionIndex();
- int max = this.getMaxSelectionIndex();
-
- if ((min < 0) || (max < 0)) {
- return 0;
- }
-
- int n = 0;
- int count = this.getListModel().getSize();
- for (int i = min; i <= max; i++) {
- if (this.isSelectedIndex(i) && (i < count)) {
- n++;
- }
- }
- return n;
- }
-
- /**
- * Return the first selected value.
- * Return null if the selection is empty.
- */
- public Object selectedValue() {
- int index = this.getMinSelectionIndex();
- if (index == -1) {
- return null;
- }
- if (this.getListModel().getSize() <= index) {
- return null;
- }
- return this.getListModel().getElementAt(index);
- }
-
- /**
- * Return an array of the selected values.
- */
- public Object[] selectedValues() {
- int min = this.getMinSelectionIndex();
- int max = this.getMaxSelectionIndex();
-
- if ((min < 0) || (max < 0)) {
- return new Object[0];
- }
-
- int maxSize = (max - min) + 1;
- Object[] temp = new Object[maxSize];
- int n = 0;
- int count = this.getListModel().getSize();
- for (int i = min; i <= max; i++) {
- if (this.isSelectedIndex(i) && (i < count)) {
- temp[n++] = this.getListModel().getElementAt(i);
- }
- }
- if (n == maxSize) {
- // all the elements in the range were selected
- return temp;
- }
- // only some of the elements in the range were selected
- Object[] result = new Object[n];
- System.arraycopy(temp, 0, result, 0, n);
- return result;
- }
-
- /**
- * Return an array of the selected indices in order.
- */
- public int[] selectedIndices() {
- int min = this.getMinSelectionIndex();
- int max = this.getMaxSelectionIndex();
-
- if ((min < 0) || (max < 0)) {
- return new int[0];
- }
-
- int maxSize = (max - min) + 1;
- int[] temp = new int[maxSize];
- int n = 0;
- int count = this.getListModel().getSize();
- for (int i = min; i <= max; i++) {
- if (this.isSelectedIndex(i) && (i < count)) {
- temp[n++] = i;
- }
- }
- if (n == maxSize) {
- // all the elements in the range were selected
- Arrays.sort(temp);
- return temp;
- }
- // only some of the elements in the range were selected
- int[] result = new int[n];
- System.arraycopy(temp, 0, result, 0, n);
- Arrays.sort(result);
- return result;
- }
-
- /**
- * Set the selected value.
- */
- public void setSelectedValue(Object object) {
- this.setSelectedValues(CollectionTools.singletonIterator(object));
- }
-
- /**
- * Set the current set of selected objects to the specified objects.
- * @see javax.swing.ListSelectionModel#setSelectionInterval(int, int)
- */
- public void setSelectedValues(Iterator<?> objects) {
- this.setValueIsAdjusting(true);
- this.clearSelection();
- this.addSelectedValuesInternal(objects);
- this.setValueIsAdjusting(false);
- }
-
- /**
- * Set the current set of selected objects to the specified objects.
- * @see javax.swing.ListSelectionModel#setSelectionInterval(int, int)
- */
- public void setSelectedValues(Collection<?> objects) {
- this.setSelectedValues(objects.iterator());
- }
-
- /**
- * Set the current set of selected objects to the specified objects.
- * @see javax.swing.ListSelectionModel#setSelectionInterval(int, int)
- */
- public void setSelectedValues(Object[] objects) {
- this.setSelectedValues(CollectionTools.iterator(objects));
- }
-
- /**
- * Add the specified object to the current set of selected objects.
- * @see javax.swing.ListSelectionModel#addSelectionInterval(int, int)
- */
- public void addSelectedValue(Object object) {
- this.addSelectedValues(CollectionTools.singletonIterator(object));
- }
-
- /**
- * Add the specified objects to the current set of selected objects.
- * @see javax.swing.ListSelectionModel#addSelectionInterval(int, int)
- */
- public void addSelectedValues(Iterator<?> objects) {
- this.setValueIsAdjusting(true);
- this.addSelectedValuesInternal(objects);
- this.setValueIsAdjusting(false);
- }
-
- /**
- * Add the specified objects to the current set of selected objects.
- * @see javax.swing.ListSelectionModel#addSelectionInterval(int, int)
- */
- public void addSelectedValues(Collection<?> objects) {
- this.addSelectedValues(objects.iterator());
- }
-
- /**
- * Add the specified objects to the current set of selected objects.
- * @see javax.swing.ListSelectionModel#addSelectionInterval(int, int)
- */
- public void addSelectedValues(Object[] objects) {
- this.addSelectedValues(CollectionTools.iterator(objects));
- }
-
- /**
- * Remove the specified object from the current set of selected objects.
- * @see javax.swing.ListSelectionModel#removeSelectionInterval(int, int)
- */
- public void removeSelectedValue(Object object) {
- this.removeSelectedValues(CollectionTools.singletonIterator(object));
- }
-
- /**
- * Remove the specified objects from the current set of selected objects.
- * @see javax.swing.ListSelectionModel#removeSelectionInterval(int, int)
- */
- public void removeSelectedValues(Iterator<?> objects) {
- this.setValueIsAdjusting(true);
- ListModel lm = this.getListModel();
- int lmSize = lm.getSize();
- while (objects.hasNext()) {
- int index = this.indexOf(objects.next(), lm, lmSize);
- this.removeSelectionInterval(index, index);
- }
- this.setValueIsAdjusting(false);
- }
-
- /**
- * Remove the specified objects from the current set of selected objects.
- * @see javax.swing.ListSelectionModel#removeSelectionInterval(int, int)
- */
- public void removeSelectedValues(Collection<?> objects) {
- this.removeSelectedValues(objects.iterator());
- }
-
- /**
- * Remove the specified objects from the current set of selected objects.
- * @see javax.swing.ListSelectionModel#removeSelectionInterval(int, int)
- */
- public void removeSelectedValues(Object[] objects) {
- this.removeSelectedValues(CollectionTools.iterator(objects));
- }
-
- /**
- * @see javax.swing.ListSelectionModel#getAnchorSelectionIndex()
- * Return null if the anchor selection is empty.
- */
- public Object getAnchorSelectedValue() {
- int index = this.getAnchorSelectionIndex();
- if (index == -1) {
- return null;
- }
- return this.getListModel().getElementAt(index);
- }
-
- /**
- * @see javax.swing.ListSelectionModel#setAnchorSelectionIndex(int)
- */
- public void setAnchorSelectedValue(Object object) {
- this.setAnchorSelectionIndex(this.indexOf(object));
- }
-
- /**
- * @see javax.swing.ListSelectionModel#getLeadSelectionIndex()
- * Return null if the lead selection is empty.
- */
- public Object getLeadSelectedValue() {
- int index = this.getLeadSelectionIndex();
- if (index == -1) {
- return null;
- }
- return this.getListModel().getElementAt(index);
- }
-
- /**
- * @see javax.swing.ListSelectionModel#setLeadSelectionIndex(int)
- */
- public void setLeadSelectedValue(Object object) {
- this.setLeadSelectionIndex(this.indexOf(object));
- }
-
- /**
- * @see javax.swing.ListSelectionModel#getMaxSelectionIndex()
- * Return null if the max selection is empty.
- */
- public Object getMaxSelectedValue() {
- int index = this.getMaxSelectionIndex();
- if (index == -1) {
- return null;
- }
- return this.getListModel().getElementAt(index);
- }
-
- /**
- * @see javax.swing.ListSelectionModel#getMinSelectionIndex()
- * Return null if the min selection is empty.
- */
- public Object getMinSelectedValue() {
- int index = this.getMinSelectionIndex();
- if (index == -1) {
- return null;
- }
- return this.getListModel().getElementAt(index);
- }
-
- /**
- * @see javax.swing.ListSelectionModel#isSelectedIndex(int)
- */
- public boolean valueIsSelected(Object object) {
- return this.isSelectedIndex(this.indexOf(object));
- }
-
- /**
- * Add the specified objects to the current set of selected objects,
- * without wrapping the actions in "adjusting" events.
- */
- private void addSelectedValuesInternal(Iterator<?> objects) {
- ListModel lm = this.getListModel();
- int listModelSize = lm.getSize();
- while (objects.hasNext()) {
- int index = this.indexOf(objects.next(), lm, listModelSize);
- this.addSelectionInterval(index, index);
- }
- }
-
- /**
- * Return the index in the list model of the specified object.
- * Return -1 if the object is not in the list model.
- */
- private int indexOf(Object object) {
- ListModel lm = this.getListModel();
- return this.indexOf(object, lm, lm.getSize());
- }
-
- /**
- * Return the index in the list model of the specified object.
- * Return -1 if the object is not in the list model.
- */
- // we're just jerking around with performance optimizations here
- // (in memory of Phil...);
- // call this method inside loops that do not modify the listModel
- private int indexOf(Object object, ListModel lm, int listModelSize) {
- for (int i = listModelSize; i-- > 0; ) {
- if (lm.getElementAt(i).equals(object)) {
- return i;
- }
- }
- return -1;
- }
-
-}

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