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wcrisman
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/*
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* Copyright (c) 2005,2007 Declarative Engineering LLC.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Declarative Engineering LLC
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* verson 1 which accompanies this distribution, and is available at
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* http://declarativeengineering.com/legal/DE_Developer_License_v1.txt
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*/
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package com.foundation.tcv.swt.client;
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import org.eclipse.swt.graphics.Image;
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import org.eclipse.swt.widgets.TabItem;
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import com.common.util.LiteHashMap;
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import com.foundation.tcv.swt.ITabPanel;
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import com.foundation.tcv.view.ViewMessage;
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public class TabPanel extends Container implements ITabPanel, Component.IComponentListener {
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/** A mapping of TabItem instances indexed by the Component displayed by the tab. */
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private LiteHashMap tabItemsByComponentMap = new LiteHashMap(15);
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/**
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* TabPanel constructor.
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*/
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public TabPanel() {
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super();
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}//TabPanel()//
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/**
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* Gets the SWT tab folder that represents this tab panel.
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* @return The SWT tab folder providing visualization for this tab panel.
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*/
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public org.eclipse.swt.widgets.TabFolder getSwtTabFolder() {
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return (org.eclipse.swt.widgets.TabFolder) getSwtWidget();
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}//getSwtTabFolder()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.client.AbstractComponent#internalViewInitialize()
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*/
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protected void internalViewInitialize() {
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super.internalViewInitialize();
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}//internalViewInitialize()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.client.AbstractComponent#internalViewRelease()
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*/
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protected void internalViewRelease() {
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super.internalViewRelease();
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}//internalViewRelease()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.client.AbstractComponent#internalViewSynchronize()
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*/
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protected void internalViewSynchronize() {
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super.internalViewSynchronize();
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}//internalViewSynchronize()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.client.AbstractComponent#internalProcessMessage(com.foundation.tcv.model.ViewMessage)
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*/
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public Object internalProcessMessage(ViewMessage viewMessage) {
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Object result = null;
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switch(viewMessage.getMessageNumber()) {
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case MESSAGE_INITIALIZE: {
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if(getSwtControl() == null) {
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int[] data = (int[]) viewMessage.getMessageData();
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int style = data[1];
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//Link to the parent container.//
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setContainer((Container) getComponent(data[0]));
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getContainer().addComponent(this);
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//Create the SWT widget.//
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setSwtWidget(new org.eclipse.swt.widgets.TabFolder(getContainer().getSwtParent(), style));
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getSwtWidget().setData(this);
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//If the container has already been initialized then force the parent to re-layout so that this component will appear.//
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if(getContainer().isInitialized()) {
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getContainer().getSwtComposite().layout(true, true);
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}//if//
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}//if//
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break;
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}//case//
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case MESSAGE_ADD_TAB: {
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int componentNumber = ((int[]) viewMessage.getMessageData())[0];
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Component component = (Component) getComponent(componentNumber);
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String title = component.getContainerTitle();
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Image image = component.getContainerImage();
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String toolTipText = component.getToolTipText();
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TabItem tabItem = null;
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if(((int[]) viewMessage.getMessageData()).length > 1) {
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tabItem = new TabItem(getSwtTabFolder(), 0, ((int[]) viewMessage.getMessageData())[1]);
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}//if//
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else {
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tabItem = new TabItem(getSwtTabFolder(), 0);
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}//else//
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tabItem.setText(title == null ? "" : title);
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tabItem.setImage(image);
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tabItem.setToolTipText(toolTipText);
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tabItem.setData(component);
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tabItem.setControl(component.getSwtControl());
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tabItemsByComponentMap.put(component, tabItem);
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component.registerListener(this);
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break;
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}//case//
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case MESSAGE_REMOVE_TAB: {
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int componentNumber = ((Integer) viewMessage.getMessageData()).intValue();
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Component component = (Component) getComponent(componentNumber);
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if(component != null) {
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TabItem tabItem = (TabItem) tabItemsByComponentMap.remove(component);
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if(tabItem != null && !tabItem.isDisposed()) {
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//Note: Don't dispose of the image because it comes from the component's container-image property whose lifecycle is managed by the component.//
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tabItem.dispose();
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}//if//
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component.unregisterListener(this);
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}//if//
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break;
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}//case//
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case MESSAGE_REPOSITION_TAB: {
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int componentNumber = ((int[]) viewMessage.getMessageData())[0];
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int newIndex = ((int[]) viewMessage.getMessageData())[1];
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Component component = (Component) getComponent(componentNumber);
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if(component != null) {
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TabItem oldTabItem = (TabItem) tabItemsByComponentMap.remove(component);
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if(oldTabItem != null && !oldTabItem.isDisposed()) {
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TabItem newTabItem = new TabItem(getSwtTabFolder(), 0, newIndex);
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newTabItem.setText(oldTabItem.getText());
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newTabItem.setImage(oldTabItem.getImage());
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newTabItem.setToolTipText(oldTabItem.getToolTipText());
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newTabItem.setData(oldTabItem.getData());
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newTabItem.setControl(oldTabItem.getControl());
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oldTabItem.dispose();
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tabItemsByComponentMap.put(component, newTabItem);
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}//if//
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}//if//
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break;
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}//case//
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case MESSAGE_SORT_TABS: {
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int startIndex = ((Integer) ((Object[]) viewMessage.getMessageData())[0]).intValue();
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int[] mapping = (int[]) ((Object[]) viewMessage.getMessageData())[1];
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TabItem[] oldTabItems = new TabItem[mapping.length];
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int nextIndex = startIndex;
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//Reorder the tab items by adding new tab items before the old ones.//
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for(int index = 0; index < mapping.length; index++) {
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int oldIndex = nextIndex + index + mapping[index];
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TabItem oldTabItem = getSwtTabFolder().getItem(oldIndex);
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TabItem tabItem = new org.eclipse.swt.widgets.TabItem(getSwtTabFolder(), 0, index);
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Component component = (Component) oldTabItem.getData();
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tabItem.setText(oldTabItem.getText());
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tabItem.setImage(oldTabItem.getImage());
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tabItem.setToolTipText(oldTabItem.getToolTipText());
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tabItem.setControl(oldTabItem.getControl());
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tabItem.setData(oldTabItem.getData());
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oldTabItems[index] = oldTabItem;
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tabItemsByComponentMap.put(component, tabItem);
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nextIndex++;
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}//for//
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//Remove the old tab items.//
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for(int index = 0; index < oldTabItems.length; index++) {
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oldTabItems[index].dispose();
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}//for//
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break;
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}//case//
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default: {
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result = super.internalProcessMessage(viewMessage);
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}//default//
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}//switch//
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return result;
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}//internalProcessMessage()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.client.Component.IComponentListener#toolTipTextChanged(com.foundation.tcv.swt.client.Component, java.lang.String)
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*/
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public void toolTipTextChanged(Component component, String newToolTipText) {
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TabItem tabItem = (TabItem) tabItemsByComponentMap.get(component);
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if(tabItem != null && !tabItem.isDisposed()) {
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tabItem.setToolTipText(newToolTipText);
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}//if//
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}//toolTipTextChanged()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.client.Component.IComponentListener#imageChanged(com.foundation.tcv.swt.client.Component, org.eclipse.swt.graphics.Image)
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*/
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public void imageChanged(Component component, Image image) {
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TabItem tabItem = (TabItem) tabItemsByComponentMap.get(component);
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if(tabItem != null && !tabItem.isDisposed()) {
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tabItem.setImage(image);
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}//if//
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}//imageChanged()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.client.Component.IComponentListener#titleChanged(com.foundation.tcv.swt.client.Component, java.lang.String)
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*/
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public void titleChanged(Component component, String newTitle) {
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TabItem tabItem = (TabItem) tabItemsByComponentMap.get(component);
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if(tabItem != null && !tabItem.isDisposed()) {
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tabItem.setText(newTitle);
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}//if//
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}//titleChanged()//
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}//TabPanel//
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