Initial commit from SVN.
This commit is contained in:
wcrisman
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/*
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* Copyright (c) 2006,2007 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.SWT;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.events.SelectionListener;
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import org.eclipse.swt.graphics.Point;
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import org.eclipse.swt.widgets.Event;
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import org.eclipse.swt.widgets.Listener;
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import org.eclipse.swt.widgets.Shell;
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import com.common.util.LiteList;
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import com.foundation.tcv.swt.ICoolBar;
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import com.foundation.tcv.view.ViewMessage;
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public class CoolBar extends Container implements ICoolBar {
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/** The collection of CoolItem instances contained by the cool bar. */
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private LiteList coolItems = new LiteList(10, 20);
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/**
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* Encapsulates an item in the bar.
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*/
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public static class CoolItem extends AbstractComponent implements ICoolItem, SelectionListener {
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private Container container = null;
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/** The control displayed by the cool item. */
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private Component control = null;
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/** The style used by the item. */
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private int style;
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/** Whether a custom size is used for the item. */
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private boolean customSize = false;
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/** The custom width for the item. */
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private int customWidth = 0;
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/** The custom height for the item. */
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private int customHeight = 0;
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/** Whether a custom preferred size is used for the item. */
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private boolean customPreferredSize = false;
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/** The custom preferred width for the item. */
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private int customPreferredWidth = 0;
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/** The custom preferred height for the item. */
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private int customPreferredHeight = 0;
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/** Whether a custom minimum size is used for the item. */
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private boolean customMinimumSize = false;
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/** The custom minimum width for the item. */
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private int customMinimumWidth = 0;
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/** The custom minimum height for the item. */
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private int customMinimumHeight = 0;
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/** Whether the item is currently visible. */
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private boolean visible = true;
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/**
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* CoolItem constructor.
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*/
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public CoolItem() {
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}//CoolItem()//
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/* (non-Javadoc)
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* @see com.foundation.view.IAbstractComponent#getContainer()
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*/
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public Container getContainer() {
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return container;
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}//getContainer()//
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/* (non-Javadoc)
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* @see com.foundation.view.swt.IInternalAbstractComponent#getShell()
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*/
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public Shell getShell() {
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return container != null ? container.getShell() : null;
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}//getShell()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.client.AbstractComponent#internalProcessMessage(com.foundation.tcv.view.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(getSwtCoolItem() == null) {
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int[] data = (int[]) viewMessage.getMessageData();
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style = data[1];
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//Link to the parent container.//
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this.container = (Container) getComponent(data[0]);
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((CoolBar) getContainer()).addCoolItem(this);
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initializeControl(style);
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}//if//
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break;
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}//case//
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case MESSAGE_SET_SIZE: {
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int[] data = (int[]) viewMessage.getMessageData();
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customSize = true;
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customWidth = data[0];
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customHeight = data[1];
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if(getSwtCoolItem() != null) {
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getSwtCoolItem().setSize(customWidth, customHeight);
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}//if//
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break;
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}//case//
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case MESSAGE_SET_PREFERRED_SIZE: {
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int[] data = (int[]) viewMessage.getMessageData();
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customPreferredSize = true;
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customPreferredWidth = data[0];
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customPreferredHeight = data[1];
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if(getSwtCoolItem() != null) {
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getSwtCoolItem().setPreferredSize(customPreferredWidth, customPreferredHeight);
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}//if//
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break;
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}//case//
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case MESSAGE_SET_MINIMUM_SIZE: {
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int[] data = (int[]) viewMessage.getMessageData();
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customMinimumSize = true;
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customMinimumWidth = data[0];
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customMinimumHeight = data[1];
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if(getSwtCoolItem() != null) {
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getSwtCoolItem().setMinimumSize(customMinimumWidth, customMinimumHeight);
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}//if//
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break;
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}//case//
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case MESSAGE_SET_CONTROL: {
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int[] data = (int[]) viewMessage.getMessageData();
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control = (Component) getComponent(data[0]);
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//TODO: If we are already initialized we should swap controls. Currently this could not happen, but we may allow it in the future.
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break;
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}//case//
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case MESSAGE_AUTO_SIZE: {
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if(!customPreferredSize && !customSize) {
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Point size;
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//control.getSwtControl().pack();
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size = control.getSwtControl().computeSize(SWT.DEFAULT, SWT.DEFAULT);
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if(!customMinimumSize) {
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getSwtCoolItem().setMinimumSize(size);
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}//if//
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size = getSwtCoolItem().computeSize(size.x, size.y);
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size.x = Math.max(size.x, getSwtCoolItem().getMinimumSize().x);
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size.y = Math.max(size.y, getSwtCoolItem().getMinimumSize().y);
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getSwtCoolItem().setPreferredSize(size);
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getSwtCoolItem().setSize(size);
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}//if//
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break;
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}//case//
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case MESSAGE_SET_IS_VISIBLE: {
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boolean visible = ((Boolean) viewMessage.getMessageData()).booleanValue();
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controlSetIsVisible(visible);
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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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/**
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* Initializes the control.
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* @param style The style for the control.
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*/
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protected void initializeControl(int style) {
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//Create the SWT widget.//
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setSwtWidget(new org.eclipse.swt.widgets.CoolItem(((CoolBar) getContainer()).getSwtCoolBar(), style));
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getSwtWidget().setData(this);
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}//initializeControl()//
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/**
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* Sets whether the control is visible.
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* @param visible Whether the control is visible to the user.
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*/
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protected void controlSetIsVisible(boolean visible) {
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if(this.visible != visible) {
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this.visible = visible;
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//Destroy or create the cool item.//
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if(!visible) {
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if(getSwtCoolItem() != null && !getSwtCoolItem().isDisposed()) {
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getSwtCoolItem().dispose();
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}//if//
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setSwtWidget(null);
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}//if//
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else {
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initializeControl(style);
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}//else//
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}//if//
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}//controlSetIsVisible()//
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/**
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* Gets the swt cool item for this cool item.
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* @return The SWT cool item providing visualization for this cool item.
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*/
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public org.eclipse.swt.widgets.CoolItem getSwtCoolItem() {
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return (org.eclipse.swt.widgets.CoolItem) getSwtWidget();
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}//getSwtCoolItem()//
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/* (non-Javadoc)
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* @see com.foundation.view.swt.AbstractComponent#internalViewInitialize()
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*/
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protected void internalViewInitialize() {
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getSwtCoolItem().addSelectionListener(this);
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super.internalViewInitialize();
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getSwtCoolItem().setControl(control.getSwtControl());
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}//internalViewInitialize()//
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/* (non-Javadoc)
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* @see com.foundation.view.swt.AbstractComponent#internalViewRelease()
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*/
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protected void internalViewRelease() {
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if(!getSwtCoolItem().isDisposed()) {
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getSwtCoolItem().setControl(null);
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}//if//
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super.internalViewRelease();
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}//internalViewRelease()//
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/**
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* Sets the control used by the cool item.
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* @param control The cool item's control.
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*/
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public void setControl(Component control) {
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this.control = control;
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}//setControl()//
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/* (non-Javadoc)
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* @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
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*/
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public void widgetDefaultSelected(SelectionEvent event) {
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widgetSelected(event);
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}//widgetDefaultSelected()//
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/* (non-Javadoc)
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* @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
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*/
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public void widgetSelected(SelectionEvent event) {
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/* TODO: Enable the drop down cheveron to display a menu of items not visible in the cool item.
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if((menu != null) && (event.detail == SWT.ARROW)) {
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Rectangle rect = getSwtCoolItem().getBounds();
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Point point = new Point(rect.x, rect.y + rect.height);
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//Show the drop down menu.//
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point = getSwtCoolItem().getParent().toDisplay(point);
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if(menu != null) {
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menu.getSwtMenu().setLocation(point.x, point.y);
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menu.getSwtMenu().setVisible(true);
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}//if//
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}//if//
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*/
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}//widgetSelected()//
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}//CoolItem//
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/**
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* CoolBar constructor.
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*/
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public CoolBar() {
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super();
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}//CoolBar()//
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/**
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* Adds a cool item to the bar.
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* @param coolItem The item to be added.
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*/
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protected void addCoolItem(CoolItem coolItem) {
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coolItems.add(coolItem); //TODO: Is this necessary?
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if(isInitialized()) {
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//TODO: Initialize the cool item.
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//Will the cool item's component already be initilialized?
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//Would this ever occur?
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}//if//
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}//addCoolItem()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.client.AbstractComponent#internalProcessMessage(com.foundation.tcv.view.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(getSwtCoolBar() == 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.CoolBar(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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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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/**
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* Gets the SWT cool bar that represents this cool bar.
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* @return The SWT cool bar providing visualization for this cool bar.
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*/
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public org.eclipse.swt.widgets.CoolBar getSwtCoolBar() {
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return (org.eclipse.swt.widgets.CoolBar) getSwtControl();
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}//getSwtCoolBar()//
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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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//Add a listener to force the view to re-layout when the coolbar changes sizes (expands or contracts).//
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getSwtCoolBar().addListener(SWT.Resize, new Listener() {
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public void handleEvent(Event event) {
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getShell().layout(true, true);
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}//handleEvent()//
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});
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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#internalViewInitializeAll()
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*/
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protected void internalViewInitializeAll() {
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super.internalViewInitializeAll();
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//Initialize all the cool items.//
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for(int index = 0; index < coolItems.getSize(); index++) {
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((CoolItem) coolItems.get(index)).internalViewInitialize();
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}//for//
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}//internalViewInitializeAll()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.client.AbstractComponent#internalViewReleaseAll()
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*/
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protected void internalViewReleaseAll() {
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//Release all the cool items.//
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for(int index = 0; index < coolItems.getSize(); index++) {
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((CoolItem) coolItems.get(index)).internalViewRelease();
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}//for//
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super.internalViewReleaseAll();
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}//internalViewReleaseAll()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.client.AbstractComponent#internalViewSynchronizeAll()
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*/
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protected void internalViewSynchronizeAll() {
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//Synchronize all the tool items.//
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for(int index = 0; index < coolItems.getSize(); index++) {
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((CoolItem) coolItems.get(index)).internalViewSynchronize();
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}//for//
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super.internalViewSynchronizeAll();
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}//internalViewSynchronizeAll()//
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}//CoolBar//
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