/*
* Copyright 2006-2017 ICEsoft Technologies Canada Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an "AS
* IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package org.icepdf.ri.common.utility.annotation;
import org.icepdf.core.pobjects.Destination;
import org.icepdf.core.pobjects.Name;
import org.icepdf.core.pobjects.NameTree;
import org.icepdf.core.pobjects.Reference;
import org.icepdf.core.pobjects.actions.ActionFactory;
import org.icepdf.core.pobjects.actions.GoToAction;
import org.icepdf.core.pobjects.annotations.Annotation;
import org.icepdf.core.pobjects.annotations.LinkAnnotation;
import org.icepdf.ri.common.*;
import org.icepdf.ri.common.views.AnnotationComponent;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import java.awt.*;
import java.awt.event.*;
import java.util.List;
import java.util.ResourceBundle;
/**
* GoTo Action panel used for setting an GoTo Action type properties. GoTo
* actions store a PDF Destination data structure which can either be a named
* destination or a vector of properties that specifies a page location.
*
* @since 4.0
*/
@SuppressWarnings("serial")
public class GoToActionDialog extends AnnotationDialogAdapter
implements ActionListener, ItemListener {
public static final String EMPTY_DESTINATION = " ";
private SwingController controller;
private ResourceBundle messageBundle;
private AnnotationComponent currentAnnotation;
private ActionsPanel actionsPanel;
// state full ui elements.
private GridBagConstraints constraints;
private JButton okButton;
private JButton cancelButton;
private JRadioButton implicitDestination;
private JRadioButton namedDestination;
// controls for explicit destinations
private JComboBox implicitDestTypeComboBox;
private JTextField pageNumberTextField;
private JTextField topTextField;
private JTextField bottomTextField;
private JTextField leftTextField;
private JTextField rightTextField;
private JTextField zoomTextField;
private JButton viewPositionButton;
// named destination fields.
private JLabel destinationName;
private JButton viewNamedDesButton;
private NameTreeDialog nameTreeDialog;
public GoToActionDialog(SwingController controller,
ActionsPanel actionsPanel) {
super(controller.getViewerFrame(), true);
this.controller = controller;
this.messageBundle = this.controller.getMessageBundle();
this.actionsPanel = actionsPanel;
setTitle(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.title"));
// setup gui components.
setGui();
}
/**
* Copies state information from the annotation so it can pre respresented
* in the UI. This method does not modify the annotaiton object in any way.
* State saving should handled with save state call.
*
* @param annotation annotation to be updated by dialog.
*/
public void setAnnotationComponent(AnnotationComponent annotation) {
// get a reference so we can setup a save on dialog close
currentAnnotation = annotation;
org.icepdf.core.pobjects.actions.Action action =
currentAnnotation.getAnnotation().getAction();
// get the destination object, doesn't matter where it comes from.
Destination dest = null;
if (action != null && action instanceof GoToAction) {
dest = ((GoToAction) action).getDestination();
}
// alternatively we can have a dest field on Link annotations
else if (action == null &&
currentAnnotation.getAnnotation() instanceof LinkAnnotation) {
LinkAnnotation linkAnnotation =
(LinkAnnotation) currentAnnotation.getAnnotation();
dest = linkAnnotation.getDestination();
}
// check to see of we have a name tree in the document, if not we
// disable the controls for named destinations
if (controller.getDocument().getCatalog().getNames() == null ||
controller.getDocument().getCatalog().getNames().getDestsNameTree() == null) {
implicitDestinationFieldsEnabled(true);
clearImplicitDestinations(true);
namedDestination.setEnabled(false);
} else {
namedDestination.setEnabled(true);
}
// start gui value assignments.
if (dest != null) {
// first clear all previous values.
clearImplicitDestinations(false);
clearImplicitDestinations(true);
// implicit assignment
if (dest.getNamedDestination() == null) {
implicitDestinationFieldsEnabled(true);
Name type = dest.getType();
applySelectedValue(implicitDestTypeComboBox, type);
// set field visibility for type
enableFitTypeFields(type);
// type assignment.
applyTypeValues(dest, type);
// finally assign the page number
pageNumberTextField.setText(String.valueOf(controller.getDocument()
.getPageTree().getPageNumber(dest.getPageReference()) + 1));
}
// named assignment
else {
// enable GUI elements.
implicitDestinationFieldsEnabled(false);
// assign name to name label
destinationName.setText(dest.getNamedDestination().toString());
}
} else {
// apply default fit type for new annotations.
applySelectedValue(implicitDestTypeComboBox, Destination.TYPE_FIT);
enableFitTypeFields(Destination.TYPE_FIT);
}
}
/**
* Utility or saving the complicated state of a GoTo action.
*/
private void saveActionState() {
Annotation annotation = currentAnnotation.getAnnotation();
Destination destination;
// create a new implicit destination
if (implicitDestination.isSelected()) {
Name fitType = (Name) ((ValueLabelItem) implicitDestTypeComboBox
.getSelectedItem()).getValue();
int pageNumber = Integer.parseInt(pageNumberTextField.getText());
Reference pageReference = controller.getDocument().getPageTree()
.getPageReference(pageNumber - 1);
List destArray = null;
if (fitType.equals(Destination.TYPE_FIT) ||
fitType.equals(Destination.TYPE_FITB)) {
destArray = Destination.destinationSyntax(pageReference, fitType);
}
// just top enabled
else if (fitType.equals(Destination.TYPE_FITH) ||
fitType.equals(Destination.TYPE_FITBH) ||
fitType.equals(Destination.TYPE_FITV) ||
fitType.equals(Destination.TYPE_FITBV)) {
Object top = parseDestCoordinate(topTextField.getText());
destArray = Destination.destinationSyntax(
pageReference, fitType, top);
}
// special xyz case
else if (fitType.equals(Destination.TYPE_XYZ)) {
Object left = parseDestCoordinate(leftTextField.getText());
Object top = parseDestCoordinate(topTextField.getText());
Object zoom = parseDestCoordinate(zoomTextField.getText());
destArray = Destination.destinationSyntax(
pageReference, fitType, left, top, zoom);
}
// special FitR
else if (fitType.equals(Destination.TYPE_FITR)) {
Object left = parseDestCoordinate(leftTextField.getText());
Object bottom = parseDestCoordinate(leftTextField.getText());
Object right = parseDestCoordinate(leftTextField.getText());
Object top = parseDestCoordinate(leftTextField.getText());
destArray = Destination.destinationSyntax(
pageReference, fitType, left, bottom, right, top);
}
destination = new Destination(annotation.getLibrary(), destArray);
}
// otherwise a simple named destination
else {
destination = new Destination(annotation.getLibrary(),
new Name(destinationName.getText()));
}
GoToAction action = (GoToAction) annotation.getAction();
// if no previous action then we have a 'new' or old 'dest' that
// that is getting updated. VERY IMPORTANT, dest are replaced with
// similar GoToActions under the current implementation.
if (action == null) {
action = (GoToAction)
ActionFactory.buildAction(annotation.getLibrary(),
ActionFactory.GOTO_ACTION);
action.setDestination(destination);
annotation.addAction(action);
actionsPanel.clearActionList();
actionsPanel.addActionToList(action);
} else {
// set new destination value and merge the change back into the
// annotation.
action.setDestination(destination);
annotation.updateAction(action);
}
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == okButton) {
// todo validate action State before save proceeds.
if (true) {
// if all is
saveActionState();
dispose();
}
} else if (e.getSource() == cancelButton) {
// disposes this dialog
dispose();
} else if (e.getSource() == viewNamedDesButton) {
// test implementation of a NameJTree for destinations.
NameTree nameTree = controller.getDocument().getCatalog().getNames().getDestsNameTree();
if (nameTree != null) {
// create new dialog instance.
nameTreeDialog = new NameTreeDialog(
controller,
true, nameTree);
nameTreeDialog.setDestinationName(destinationName);
// add the nameTree instance.
nameTreeDialog.setVisible(true);
nameTreeDialog.dispose();
}
}
// very special button that gets the current view position coords.
else if (e.getSource() == viewPositionButton) {
}
}
@Override
public void dispose() {
setVisible(false);
super.dispose();
// dispose the name tree if someone opened
if (nameTreeDialog != null) {
nameTreeDialog.dispose();
}
}
public void itemStateChanged(ItemEvent e) {
if (e.getStateChange() == ItemEvent.SELECTED ||
e.getStateChange() == ItemEvent.DESELECTED) {
// enable/disable field sets for the two destinations types.
if (e.getSource() == implicitDestination) {
implicitDestinationFieldsEnabled(e.getStateChange() == ItemEvent.SELECTED);
// check for an empty type and if so assign fit
if (implicitDestination.isSelected()) {
if (implicitDestTypeComboBox.getSelectedItem() == null) {
applySelectedValue(implicitDestTypeComboBox,
Destination.TYPE_FIT);
enableFitTypeFields(Destination.TYPE_FIT);
}
}
}
// handle enabled state of top,bottom,left right and zoom.
else if (e.getSource() == implicitDestTypeComboBox) {
ValueLabelItem valueItem = (ValueLabelItem) e.getItem();
Name fitType = (Name) valueItem.getValue();
enableFitTypeFields(fitType);
}
}
}
/**
* Method to create and customize the actions section of the panel
*/
protected void setGui() {
/**
* Place GUI elements on dialog
*/
JPanel goToActionPanel = new JPanel();
goToActionPanel.setAlignmentY(JPanel.TOP_ALIGNMENT);
GridBagLayout layout = new GridBagLayout();
goToActionPanel.setLayout(layout);
constraints = new GridBagConstraints();
constraints.fill = GridBagConstraints.NONE;
constraints.weightx = 1.0;
constraints.anchor = GridBagConstraints.NORTH;
constraints.anchor = GridBagConstraints.EAST;
constraints.insets = new Insets(5, 5, 5, 5);
/**
* Create explicit layout
*/
// main panel for implicit fields, more work need for other fit types.
JPanel explicitDestinationSubpane = new JPanel(new GridLayout(4, 4, 10, 5));
explicitDestinationSubpane.setBorder(new EmptyBorder(0, 40, 0, 0));
// use current view location
// explicitDestinationSubpane.add(new JLabel(messageBundle.getString(
// "viewer.utilityPane.action.dialog.goto.current.label")));
// viewPositionButton = new JButton(messageBundle.getString(
// "viewer.utilityPane.action.dialog.goto.current"));
// viewPositionButton.addActionListener(this);
// explicitDestinationSubpane.add(viewPositionButton);
// filler
// explicitDestinationSubpane.add(new JLabel());
// explicitDestinationSubpane.add(new JLabel());
// fit type - currently only xyz
explicitDestinationSubpane.add(new JLabel(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.type.label")));
implicitDestTypeComboBox = buildImplicitDestTypes();
implicitDestTypeComboBox.addItemListener(this);
explicitDestinationSubpane.add(implicitDestTypeComboBox);
// page assignment
explicitDestinationSubpane.add(new JLabel(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.page.label")));
pageNumberTextField = buildDocumentPageNumbers();
explicitDestinationSubpane.add(pageNumberTextField);
// top position
explicitDestinationSubpane.add(new JLabel(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.top.label")));
topTextField = buildFloatTextField();
explicitDestinationSubpane.add(topTextField);
// bottom position
explicitDestinationSubpane.add(new JLabel(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.bottom.label")));
bottomTextField = buildFloatTextField();
explicitDestinationSubpane.add(bottomTextField);
// left position
explicitDestinationSubpane.add(new JLabel(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.left.label")));
leftTextField = buildFloatTextField();
explicitDestinationSubpane.add(leftTextField);
// right position
explicitDestinationSubpane.add(new JLabel(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.right.label")));
rightTextField = buildFloatTextField();
explicitDestinationSubpane.add(rightTextField);
// zoom level
explicitDestinationSubpane.add(new JLabel(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.zoom.label")));
zoomTextField = buildFloatTextField();
explicitDestinationSubpane.add(zoomTextField);
// filler
explicitDestinationSubpane.add(new JLabel());
explicitDestinationSubpane.add(new JLabel());
// put the explicit destinations fields into one container.
JPanel pageNumberPane = new JPanel(new BorderLayout(5, 5));
implicitDestination = new JRadioButton(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.explicitDestination.title"), true);
implicitDestination.addItemListener(this);
pageNumberPane.add(implicitDestination, BorderLayout.NORTH);
pageNumberPane.add(explicitDestinationSubpane, BorderLayout.CENTER);
/**
* Setup Named destinations
*/
JPanel namedDestSubpane = new JPanel(new FlowLayout(FlowLayout.LEFT, 5, 5));
namedDestSubpane.setBorder(new EmptyBorder(0, 40, 0, 0));
// name of named dest..
namedDestSubpane.add(new JLabel(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.name.label")));
destinationName = new JLabel(EMPTY_DESTINATION);
namedDestSubpane.add(destinationName);
// browse button to show named destination tree.
viewNamedDesButton = new JButton(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.browse"));
viewNamedDesButton.addActionListener(this);
namedDestSubpane.add(viewNamedDesButton);
// put the named destination into one container.
JPanel namedDestPane = new JPanel(new BorderLayout(5, 5));
namedDestination =
new JRadioButton(messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.nameDestination.title"), false);
namedDestPane.add(namedDestination, BorderLayout.NORTH);
namedDestPane.add(namedDestSubpane, BorderLayout.CENTER);
// Button group to link the two panels toggled functionality.
ButtonGroup actionButtonGroup = new ButtonGroup();
actionButtonGroup.add(implicitDestination);
actionButtonGroup.add(namedDestination);
// ok button to save changes and close the dialog.
okButton = new JButton(messageBundle.getString("viewer.button.ok.label"));
okButton.setMnemonic(messageBundle.getString("viewer.button.ok.mnemonic").charAt(0));
okButton.addActionListener(this);
cancelButton = new JButton(messageBundle.getString("viewer.button.cancel.label"));
cancelButton.setMnemonic(messageBundle.getString("viewer.button.cancel.mnemonic").charAt(0));
cancelButton.addActionListener(this);
// panel for OK and cancel
JPanel okCancelPanel = new JPanel(new FlowLayout());
okCancelPanel.add(okButton);
okCancelPanel.add(cancelButton);
// add values
constraints.insets = new Insets(5, 5, 5, 5);
constraints.anchor = GridBagConstraints.WEST;
addGB(goToActionPanel, pageNumberPane, 0, 0, 1, 1);
addGB(goToActionPanel, namedDestPane, 0, 1, 1, 1);
constraints.insets = new Insets(15, 5, 5, 5);
constraints.anchor = GridBagConstraints.CENTER;
addGB(goToActionPanel, okCancelPanel, 0, 2, 1, 1);
this.getContentPane().add(goToActionPanel);
setSize(new Dimension(500, 325));
setLocationRelativeTo(controller.getViewerFrame());
}
/**
* Utility for parsing input text coordinates into valide numbers used
* for destinations. If an empty string or Na, we return a null value
* which is valid in post script.
*
* @param fieldValue value to convert to either a number or null.
* @return Float if valid fieldValue, Null otherwise.
*/
private Object parseDestCoordinate(String fieldValue) {
try {
return Float.parseFloat(fieldValue);
} catch (NumberFormatException e) {
// empty on purpose
}
return null;
}
/**
* Utility to return the
*
* @param coord float value to convert to UI usuable string
* @return string value of coord or an empty string if coord is null
*/
private String getDestCoordinate(Float coord) {
if (coord != null) {
return String.valueOf(coord);
} else {
return "";
}
}
private void applyTypeValues(Destination dest, Name type) {
if (Destination.TYPE_XYZ.equals(type)) {
leftTextField.setText(getDestCoordinate(dest.getLeft()));
topTextField.setText(getDestCoordinate(dest.getTop()));
zoomTextField.setText(getDestCoordinate(dest.getZoom()));
} else if (Destination.TYPE_FIT.equals(type)) {
// nothing to do
} else if (Destination.TYPE_FITH.equals(type)) {
// get top value
topTextField.setText(getDestCoordinate(dest.getTop()));
} else if (Destination.TYPE_FITV.equals(type)) {
// get left value
leftTextField.setText(getDestCoordinate(dest.getLeft()));
} else if (Destination.TYPE_FITR.equals(type)) {
// left, bottom right and top.
leftTextField.setText(getDestCoordinate(dest.getLeft()));
rightTextField.setText(getDestCoordinate(dest.getRight()));
topTextField.setText(getDestCoordinate(dest.getTop()));
bottomTextField.setText(getDestCoordinate(dest.getBottom()));
} else if (Destination.TYPE_FITB.equals(type)) {
// nothing to do.
} else if (Destination.TYPE_FITH.equals(type)) {
// get the top
topTextField.setText(getDestCoordinate(dest.getTop()));
} else if (Destination.TYPE_FITBV.equals(type)) {
// get the left
leftTextField.setText(getDestCoordinate(dest.getLeft()));
}
}
/**
* Utility for building input field that handles page number limits for the
* current document.
*
* @return pageNumber text field with listeners for validation.
*/
private JTextField buildDocumentPageNumbers() {
final JTextField textField = new JTextField();
textField.setInputVerifier(new PageNumberTextFieldInputVerifier());
textField.addKeyListener(new PageNumberTextFieldKeyListener());
textField.addFocusListener(new FocusAdapter() {
public void focusLost(FocusEvent e) {
Object src = e.getSource();
if (src == null)
return;
if (src == textField) {
String fieldValue = textField.getText();
int currentValue = Integer.parseInt(fieldValue);
int maxValue = controller.getDocument().getNumberOfPages();
if (currentValue > maxValue)
textField.setText(String.valueOf(maxValue));
}
}
});
// start off with page 1.
textField.setText("1");
return textField;
}
/**
* Utility for building input field that handles page number limits for the
* current document.
*
* @return pageNumber text field with listeners for validation.
*/
private JTextField buildFloatTextField() {
final JTextField textField = new JTextField();
textField.setInputVerifier(new FloatTextFieldInputVerifier());
textField.addKeyListener(new FloatTextFieldKeyListener());
textField.addFocusListener(new FocusAdapter() {
public void focusLost(FocusEvent e) {
Object src = e.getSource();
if (src == null)
return;
if (src == textField) {
String fieldValue = textField.getText();
// empty string, no problem we can allow that.
if ("".equals(fieldValue)) {
return;
}
float currentValue = Float.parseFloat(fieldValue);
textField.setText(String.valueOf(currentValue));
}
}
});
return textField;
}
/**
* Builds destination types combo box.
*
* @return combo box of possilbe implict destination types.
*/
private JComboBox buildImplicitDestTypes() {
ValueLabelItem[] destTypes = new ValueLabelItem[]{
new ValueLabelItem(Destination.TYPE_XYZ,
messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.type.xyz.label")),
new ValueLabelItem(Destination.TYPE_FITH,
messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.type.fith.label")),
new ValueLabelItem(Destination.TYPE_FITR,
messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.type.fitr.label")),
new ValueLabelItem(Destination.TYPE_FIT,
messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.type.fit.label")),
new ValueLabelItem(Destination.TYPE_FITB,
messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.type.fitb.label")),
new ValueLabelItem(Destination.TYPE_FITBH,
messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.type.fitbh.label")),
new ValueLabelItem(Destination.TYPE_FITBV,
messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.type.fitbv.label")),
new ValueLabelItem(Destination.TYPE_FITBV,
messageBundle.getString(
"viewer.utilityPane.action.dialog.goto.type.fitbv.label")),
};
return new JComboBox(destTypes);
}
/**
* Gridbag constructor helper
*
* @param layout panel to invoke layout on
* @param component component to add to grid
* @param x row
* @param y col
* @param rowSpan rowspan value
* @param colSpan colspan value
*/
private void addGB(JPanel layout, Component component,
int x, int y,
int rowSpan, int colSpan) {
constraints.gridx = x;
constraints.gridy = y;
constraints.gridwidth = rowSpan;
constraints.gridheight = colSpan;
layout.add(component, constraints);
}
/**
* Enables fields for destinations
*
* @param isImplictDestSelected true enables all implicit destination fields,
* false enables all named destinations
*/
private void implicitDestinationFieldsEnabled(boolean isImplictDestSelected) {
// radio selection
implicitDestination.setSelected(isImplictDestSelected);
namedDestination.setSelected(!isImplictDestSelected);
// implicit dest fields
pageNumberTextField.setEnabled(isImplictDestSelected);
implicitDestTypeComboBox.setEnabled(isImplictDestSelected);
leftTextField.setEnabled(isImplictDestSelected);
topTextField.setEnabled(isImplictDestSelected);
zoomTextField.setEnabled(isImplictDestSelected);
// viewPositionButton.setEnabled(isImplictDestSelected);
// named fields
destinationName.setEnabled(!isImplictDestSelected);
viewNamedDesButton.setEnabled(!isImplictDestSelected);
}
/**
* Clears fields for destinations
*
* @param isImplictDestSelected true clears all implicit destination fields,
* false clears all named destinations
*/
private void clearImplicitDestinations(boolean isImplictDestSelected) {
// implicit
if (!isImplictDestSelected) {
pageNumberTextField.setText("");
implicitDestTypeComboBox.setSelectedIndex(-1);
leftTextField.setText("");
topTextField.setText("");
zoomTextField.setText("");
}
// named
else {
destinationName.setText(EMPTY_DESTINATION);
}
}
/**
* Assigns the fit type and applies the field enabled state logic for the
* respective view type.
*
* @param fitType destination fit type to apply
*/
private void enableFitTypeFields(Name fitType) {
if (fitType.equals(Destination.TYPE_FIT) ||
fitType.equals(Destination.TYPE_FITB)) {
// disable all fields
setFitTypesEnabled(false, false, false, false, false);
}
// just top enabled
else if (fitType.equals(Destination.TYPE_FITH) ||
fitType.equals(Destination.TYPE_FITBH)) {
setFitTypesEnabled(true, false, false, false, false);
}
// Just left enabled
else if (fitType.equals(Destination.TYPE_FITV) ||
fitType.equals(Destination.TYPE_FITBV)) {
setFitTypesEnabled(false, false, true, false, false);
}
// special xyz case
else if (fitType.equals(Destination.TYPE_XYZ)) {
setFitTypesEnabled(true, false, true, false, true);
}
// special FitR
else if (fitType.equals(Destination.TYPE_FITR)) {
setFitTypesEnabled(true, true, true, true, false);
}
}
/**
* Sets the enabled state of the input fields associated with implicit
* destination fit types.
*
* @param top top coordinat input field.
* @param bottom bottom coordinat input field.
* @param left left coordinat input field.
* @param right right coordinat input field.
* @param zoom view port zoom value field.
*/
private void setFitTypesEnabled(boolean top, boolean bottom,
boolean left, boolean right, boolean zoom) {
topTextField.setEnabled(top);
bottomTextField.setEnabled(bottom);
leftTextField.setEnabled(left);
rightTextField.setEnabled(right);
zoomTextField.setEnabled(zoom);
}
/**
* Apply selected values to combo box. If a match can not be found
* no values is applied.
*
* @param comboBox combo box to update
* @param value value to assing.
*/
private void applySelectedValue(JComboBox comboBox, Object value) {
comboBox.removeItemListener(this);
ValueLabelItem currentItem;
for (int i = 0; i < comboBox.getItemCount(); i++) {
currentItem = (ValueLabelItem) comboBox.getItemAt(i);
if (currentItem.getValue().equals(value)) {
comboBox.setSelectedIndex(i);
break;
}
}
comboBox.addItemListener(this);
}
}