/*
* SoapUI, Copyright (C) 2004-2016 SmartBear Software
*
* Licensed under the EUPL, Version 1.1 or - as soon as they will be approved by the European Commission - subsequent
* versions of the EUPL (the "Licence");
* You may not use this work except in compliance with the Licence.
* You may obtain a copy of the Licence at:
*
* http://ec.europa.eu/idabc/eupl
*
* Unless required by applicable law or agreed to in writing, software distributed under the Licence is
* distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the Licence for the specific language governing permissions and limitations
* under the Licence.
*/
package com.eviware.soapui.support.swing;
import javax.swing.AbstractListModel;
import javax.swing.MutableComboBoxModel;
import java.io.Serializable;
import java.util.Vector;
public class ExtendedComboBoxModel extends AbstractListModel implements MutableComboBoxModel, Serializable {
Vector objects;
Object selectedObject;
/**
* Constructs an empty DefaultComboBoxModel object.
*/
public ExtendedComboBoxModel() {
objects = new Vector();
}
/**
* Constructs a DefaultComboBoxModel object initialized with an array of
* objects.
*
* @param items an array of Object objects
*/
public ExtendedComboBoxModel(final Object items[]) {
objects = new Vector();
objects.ensureCapacity(items.length);
int i, c;
for (i = 0, c = items.length; i < c; i++) {
objects.addElement(items[i]);
}
if (getSize() > 0) {
selectedObject = getElementAt(0);
}
}
/**
* Constructs a DefaultComboBoxModel object initialized with a vector.
*
* @param v a Vector object ...
*/
public ExtendedComboBoxModel(Vector<?> v) {
objects = v;
if (getSize() > 0) {
selectedObject = getElementAt(0);
}
}
// implements javax.swing.ComboBoxModel
/**
* Set the value of the selected item. The selected item may be null.
* <p/>
*
* @param anObject The combo box value or null for no selection.
*/
public void setSelectedItem(Object anObject) {
if ((selectedObject != null && !selectedObject.equals(anObject)) || selectedObject == null
&& anObject != null) {
selectedObject = anObject;
fireContentsChanged(this, -1, -1);
}
}
// implements javax.swing.ComboBoxModel
public Object getSelectedItem() {
return selectedObject;
}
// implements javax.swing.ListModel
public int getSize() {
return objects.size();
}
// implements javax.swing.ListModel
public Object getElementAt(int index) {
if (index >= 0 && index < objects.size()) {
return objects.elementAt(index);
} else {
return null;
}
}
/**
* Returns the index-position of the specified object in the list.
*
* @param anObject
* @return an int representing the index position, where 0 is the first
* position
*/
public int getIndexOf(Object anObject) {
return objects.indexOf(anObject);
}
// implements javax.swing.MutableComboBoxModel
public void addElement(Object anObject) {
objects.addElement(anObject);
fireIntervalAdded(this, objects.size() - 1, objects.size() - 1);
if (objects.size() == 1 && selectedObject == null && anObject != null) {
setSelectedItem(anObject);
}
}
// implements javax.swing.MutableComboBoxModel
public void insertElementAt(Object anObject, int index) {
objects.insertElementAt(anObject, index);
fireIntervalAdded(this, index, index);
}
// implements javax.swing.MutableComboBoxModel
public void removeElementAt(int index) {
if (getElementAt(index) == selectedObject) {
if (index == 0) {
setSelectedItem(getSize() == 1 ? null : getElementAt(index + 1));
} else {
setSelectedItem(getElementAt(index - 1));
}
}
objects.removeElementAt(index);
fireIntervalRemoved(this, index, index);
}
// implements javax.swing.MutableComboBoxModel
public void removeElement(Object anObject) {
int index = objects.indexOf(anObject);
if (index != -1) {
removeElementAt(index);
}
}
/**
* Empties the list.
*/
public void removeAllElements() {
if (objects.size() > 0) {
int firstIndex = 0;
int lastIndex = objects.size() - 1;
objects.removeAllElements();
selectedObject = null;
fireIntervalRemoved(this, firstIndex, lastIndex);
} else {
selectedObject = null;
}
}
public void setElementAt(Object obj, int index) {
objects.setElementAt(obj, index);
fireContentsChanged(this, index, index);
}
}