jaxx.runtime.swing.model.JaxxDefaultListModel Maven / Gradle / Ivy
package jaxx.runtime.swing.model;
/*
* #%L
* JAXX :: Runtime
* $Id: JaxxDefaultListModel.java 2782 2014-02-04 07:12:14Z tchemit $
* $HeadURL: https://nuiton.org/svn/jaxx/tags/jaxx-2.8.2/jaxx-runtime/src/main/java/jaxx/runtime/swing/model/JaxxDefaultListModel.java $
* %%
* Copyright (C) 2008 - 2013 CodeLutin, Tony Chemit
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import com.google.common.collect.Lists;
import org.apache.commons.collections4.CollectionUtils;
import javax.swing.AbstractListModel;
import javax.swing.DefaultListModel;
import java.util.ArrayList;
import java.util.Collection;
import java.util.NoSuchElementException;
import java.util.Vector;
/**
* To replace the {@link DefaultListModel} which used {@link Vector}.
*
* @author tchemit
* @since 2.5.10
*/
public class JaxxDefaultListModel extends AbstractListModel {
private static final long serialVersionUID = 1L;
protected ArrayList delegate = new ArrayList();
protected boolean valueIsAdjusting;
public boolean isValueIsAdjusting() {
return valueIsAdjusting;
}
public void setValueIsAdjusting(boolean valueIsAdjusting) {
this.valueIsAdjusting = valueIsAdjusting;
}
public ArrayList toList() {
return Lists.newArrayList(delegate);
}
/**
* Returns the number of components in this list.
*
* This method is identical to size, which implements the
* List interface defined in the 1.2 Collections framework.
* This method exists in conjunction with setSize so that
* size is identifiable as a JavaBean property.
*
* @return the number of components in this list
* @see #size()
*/
@Override
public int getSize() {
return delegate.size();
}
/**
* Returns the component at the specified index.
*
* Note: Although this method is not deprecated, the preferred
* method to use is get(int), which implements the
* List interface defined in the 1.2 Collections framework.
*
*
* @param index an index into this list
* @return the component at the specified index
* @throws ArrayIndexOutOfBoundsException if the index
* is negative or greater than the current size of this
* list
* @see #get(int)
*/
@Override
public E getElementAt(int index) {
return delegate.get(index);
}
// /**
// * Copies the components of this list into the specified array.
// * The array must be big enough to hold all the objects in this list,
// * else an IndexOutOfBoundsException is thrown.
// *
// * @param anArray the array into which the components get copied
// * @see Vector#copyInto(Object[])
// */
// public void copyInto(Object anArray[]) {
// delegate.copyInto(anArray);
// }
/**
* Trims the capacity of this list to be the list's current size.
*
* @see Vector#trimToSize()
*/
public void trimToSize() {
delegate.trimToSize();
}
/**
* Increases the capacity of this list, if necessary, to ensure
* that it can hold at least the number of components specified by
* the minimum capacity argument.
*
* @param minCapacity the desired minimum capacity
* @see Vector#ensureCapacity(int)
*/
public void ensureCapacity(int minCapacity) {
delegate.ensureCapacity(minCapacity);
}
/**
* Sets the size of this list.
*
* @param newSize the new size of this list
* @see Vector#setSize(int)
*/
public void setSize(int newSize) {
int oldSize = delegate.size();
delegate.ensureCapacity(newSize);
if (oldSize > newSize) {
fireIntervalRemoved(this, newSize, oldSize - 1);
} else if (oldSize < newSize) {
fireIntervalAdded(this, oldSize, newSize - 1);
}
}
/**
* Returns the current capacity of this list.
*
* @return the current capacity
* @see Vector#capacity()
*/
public int capacity() {
return delegate.size();
}
/**
* Returns the number of components in this list.
*
* @return the number of components in this list
* @see Vector#size()
*/
public int size() {
return delegate.size();
}
/**
* Tests whether this list has any components.
*
* @return true if and only if this list has
* no components, that is, its size is zero;
* false otherwise
* @see Vector#isEmpty()
*/
public boolean isEmpty() {
return delegate.isEmpty();
}
// /**
// * Returns an enumeration of the components of this list.
// *
// * @return an enumeration of the components of this list
// * @see Vector#elements()
// */
// public Enumeration elements() {
// return delegate.iterator().elements();
// }
/**
* Tests whether the specified object is a component in this list.
*
* @param elem an object
* @return true if the specified object
* is the same as a component in this list
* @see Vector#contains(Object)
*/
public boolean contains(E elem) {
return delegate.contains(elem);
}
/**
* Searches for the first occurrence of elem.
*
* @param elem an object
* @return the index of the first occurrence of the argument in this
* list; returns -1 if the object is not found
* @see Vector#indexOf(Object)
*/
public int indexOf(E elem) {
return delegate.indexOf(elem);
}
/**
* Searches for the first occurrence of elem, beginning
* the search at index.
*
* @param elem an desired component
* @param index the index from which to begin searching
* @return the index where the first occurrence of elem
* is found after index; returns -1
* if the elem is not found in the list
* @see Vector#indexOf(Object, int)
*/
public int indexOf(E elem, int index) {
return delegate.indexOf(elem);
}
/**
* Returns the index of the last occurrence of elem.
*
* @param elem the desired component
* @return the index of the last occurrence of elem
* in the list; returns -1 if the object is not found
* @see Vector#lastIndexOf(Object)
*/
public int lastIndexOf(E elem) {
return delegate.lastIndexOf(elem);
}
/**
* Searches backwards for elem, starting from the
* specified index, and returns an index to it.
*
* @param elem the desired component
* @param index the index to start searching from
* @return the index of the last occurrence of the elem
* in this list at position less than index;
* returns -1 if the object is not found
* @see Vector#lastIndexOf(Object, int)
*/
public int lastIndexOf(E elem, int index) {
return delegate.lastIndexOf(elem);
}
/**
* Returns the component at the specified index.
* Throws an ArrayIndexOutOfBoundsException if the index
* is negative or not less than the size of the list.
*
* Note: Although this method is not deprecated, the preferred
* method to use is get(int), which implements the
* List interface defined in the 1.2 Collections framework.
*
*
* @param index an index into this list
* @return the component at the specified index
* @see #get(int)
* @see Vector#elementAt(int)
*/
public E elementAt(int index) {
return delegate.get(index);
}
/**
* Returns the first component of this list.
* Throws a NoSuchElementException if this
* vector has no components.
*
* @return the first component of this list
* @see Vector#firstElement()
*/
public E firstElement() {
if (isEmpty()) {
throw new NoSuchElementException();
}
return delegate.get(0);
}
/**
* Returns the last component of the list.
* Throws a NoSuchElementException if this vector
* has no components.
*
* @return the last component of the list
* @see Vector#lastElement()
*/
public E lastElement() {
if (isEmpty()) {
throw new NoSuchElementException();
}
return delegate.get(delegate.size() - 1);
}
/**
* Sets the component at the specified index of this
* list to be the specified element. The previous component at that
* position is discarded.
*
* Throws an ArrayIndexOutOfBoundsException if the index
* is invalid.
*
* Note: Although this method is not deprecated, the preferred
* method to use is set(int,Object), which implements the
* List interface defined in the 1.2 Collections framework.
*
*
* @param element what the component is to be set to
* @param index the specified index
* @see #set(int, Object)
* @see Vector#setElementAt(Object, int)
*/
public void setElementAt(E element, int index) {
delegate.set(index, element);
if (!isValueIsAdjusting()) {
fireContentsChanged(this, index, index);
}
}
/**
* Deletes the component at the specified index.
*
* Throws an ArrayIndexOutOfBoundsException if the index
* is invalid.
*
* Note: Although this method is not deprecated, the preferred
* method to use is remove(int), which implements the
* List interface defined in the 1.2 Collections framework.
*
*
* @param index the index of the object to remove
* @see #remove(int)
* @see Vector#removeElementAt(int)
*/
public void removeElementAt(int index) {
delegate.remove(index);
if (!isValueIsAdjusting()) {
fireIntervalRemoved(this, index, index);
}
}
/**
* Inserts the specified element as a component in this list at the
* specified index.
*
* Throws an ArrayIndexOutOfBoundsException if the index
* is invalid.
*
* Note: Although this method is not deprecated, the preferred
* method to use is add(int,Object), which implements the
* List interface defined in the 1.2 Collections framework.
*
*
* @param element the component to insert
* @param index where to insert the new component
* @throws ArrayIndexOutOfBoundsException if the index was invalid
* @see #add(int, Object)
* @see Vector#insertElementAt(Object, int)
*/
public void insertElementAt(E element, int index) {
delegate.add(index, element);
if (!isValueIsAdjusting()) {
fireIntervalAdded(this, index, index);
}
}
/**
* Adds the specified component to the end of this list.
*
* @param element the component to be added
* @see Vector#addElement(Object)
*/
public void addElement(E element) {
int index = delegate.size();
delegate.add(element);
if (!isValueIsAdjusting()) {
fireIntervalAdded(this, index, index);
}
}
/**
* Removes the first (lowest-indexed) occurrence of the argument
* from this list.
*
* @param obj the component to be removed
* @return true if the argument was a component of this
* list; false otherwise
* @see Vector#removeElement(Object)
*/
public boolean removeElement(E obj) {
int index = indexOf(obj);
boolean rv = delegate.remove(obj);
if (index >= 0) {
if (!isValueIsAdjusting()) {
fireIntervalRemoved(this, index, index);
}
}
return rv;
}
/**
* Removes all components from this list and sets its size to zero.
*
* Note: Although this method is not deprecated, the preferred
* method to use is clear, which implements the
* List interface defined in the 1.2 Collections framework.
*
*
* @see #clear()
* @see Vector#removeAllElements()
*/
public void removeAllElements() {
int index1 = delegate.size() - 1;
delegate.clear();
if (index1 >= 0) {
if (!isValueIsAdjusting()) {
fireIntervalRemoved(this, 0, index1);
}
}
}
@Override
public String toString() {
return delegate.toString();
}
/* The remaining methods are included for compatibility with the
* Java 2 platform Vector class.
*/
/**
* Returns an array containing all of the elements in this list in the
* correct order.
*
* @return an array containing the elements of the list
* @see Vector#toArray()
*/
public Object[] toArray() {
Object[] rv = delegate.toArray();
return rv;
}
/**
* Returns the element at the specified position in this list.
*
* Throws an ArrayIndexOutOfBoundsException
* if the index is out of range
* (index < 0 || index >= size()).
*
* @param index index of element to return
*/
public E get(int index) {
return delegate.get(index);
}
/**
* Replaces the element at the specified position in this list with the
* specified element.
*
* Throws an ArrayIndexOutOfBoundsException
* if the index is out of range
* (index < 0 || index >= size()).
*
* @param index index of element to replace
* @param element element to be stored at the specified position
* @return the element previously at the specified position
*/
public E set(int index, E element) {
E rv = delegate.set(index, element);
if (!isValueIsAdjusting()) {
fireContentsChanged(this, index, index);
}
return rv;
}
/**
* Inserts the specified element at the specified position in this list.
*
* Throws an ArrayIndexOutOfBoundsException if the
* index is out of range
* (index < 0 || index > size()).
*
* @param index index at which the specified element is to be inserted
* @param element element to be inserted
*/
public void add(int index, E element) {
delegate.add(index, element);
if (!isValueIsAdjusting()) {
fireIntervalAdded(this, index, index);
}
}
public void setAllElements(Collection objects) {
removeAllElements();
addAllElements(objects);
}
public void addAllElements(Collection elements) {
if (CollectionUtils.isNotEmpty(elements)) {
int firstIndex = delegate.size();
this.delegate.addAll(elements);
int lastIndex = delegate.size() - 1;
if (lastIndex > -1) {
if (!isValueIsAdjusting()) {
fireIntervalAdded(this, firstIndex, lastIndex);
}
}
}
}
/**
* Removes the element at the specified position in this list.
* Returns the element that was removed from the list.
*
* Throws an ArrayIndexOutOfBoundsException
* if the index is out of range
* (index < 0 || index >= size()).
*
* @param index the index of the element to removed
* @return the element previously at the specified position
*/
public E remove(int index) {
E rv = delegate.remove(index);
if (!isValueIsAdjusting()) {
fireIntervalRemoved(this, index, index);
}
return rv;
}
/**
* Removes all of the elements from this list. The list will
* be empty after this call returns (unless it throws an exception).
*/
public void clear() {
int index1 = delegate.size() - 1;
delegate.clear();
if (index1 >= 0) {
if (!isValueIsAdjusting()) {
fireIntervalRemoved(this, 0, index1);
}
}
}
/**
* Deletes the components at the specified range of indexes.
* The removal is inclusive, so specifying a range of (1,5)
* removes the component at index 1 and the component at index 5,
* as well as all components in between.
*
* Throws an ArrayIndexOutOfBoundsException
* if the index was invalid.
* Throws an IllegalArgumentException if
* fromIndex > toIndex.
*
* @param fromIndex the index of the lower end of the range
* @param toIndex the index of the upper end of the range
* @see #remove(int)
*/
public void removeRange(int fromIndex, int toIndex) {
if (fromIndex > toIndex) {
throw new IllegalArgumentException("fromIndex must be <= toIndex");
}
for (int i = toIndex; i >= fromIndex; i--) {
delegate.remove(i);
}
if (!isValueIsAdjusting()) {
fireIntervalRemoved(this, fromIndex, toIndex);
}
}
public void refresh() {
if (!isEmpty()) {
if (!isValueIsAdjusting()) {
fireContentsChanged(this, 0, getSize() - 1);
}
}
}
/*
public void addAll(Collection c) {
}
public void addAll(int index, Collection c) {
}*/
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