Initial commit from SVN.
This commit is contained in:
wcrisman
435
Foundation SWT/src/com/foundation/view/swt/CoolBar.java
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435
Foundation SWT/src/com/foundation/view/swt/CoolBar.java
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/*
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* Copyright (c) 2006,2009 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.view.swt;
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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.view.SingleAssociationContainer;
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import com.foundation.view.SingleResourceAssociation;
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public class CoolBar extends Container {
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public static final int STYLE_FLAT = SWT.FLAT;
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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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/** The collection of Menu instances associated with cool items. */
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private LiteList menus = 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 SelectionListener {
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public static final int STYLE_DROP_DOWN = SWT.DROP_DOWN;
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public static final int LINK_TARGET_IS_VISIBLE = AbstractComponent.LAST_LINK_TARGET + 1;
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public static final int LAST_LINK_TARGET = AbstractComponent.LAST_LINK_TARGET + 1;
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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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/** The resource defining the visible state for the item. */
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private SingleResourceAssociation isVisible = new SingleResourceAssociation(this, this, getViewContext(), SingleResourceAssociation.TYPE_BOOLEAN, false, Boolean.TRUE);
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/**
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* CoolItem constructor.
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* @param parent A composite control which will be the parent of the new instance (cannot be null).
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* @param name The unique component name.
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* @param style The style of control to construct.
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* @see #STYLE_DROP_DOWN
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*/
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public CoolItem(Container parent, String name, int style) {
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super(parent, style);
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this.style = style;
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((CoolBar) parent).addCoolItem(this);
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}//CoolItem()//
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/* (non-Javadoc)
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* @see com.foundation.view.IAbstractComponent#getName()
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*/
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public String getName() {
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return "__CoolBarItem__";
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}//getName()//
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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) getContainer()).getShell();
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}//getShell()//
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/**
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* Sets the association container used to access the visibility.
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* @param container The visibility association metadata.
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*/
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public void setIsVisibleAssociation(SingleAssociationContainer container) {
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verifyThread();
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this.isVisible.setAssociations(container);
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}//setIsVisibleAssociation()//
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/**
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* Sets whether the component is visible (by default if an attribute is bound to this value).
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* @param isVisible Whether the user can see the component.
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*/
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public void setIsVisible(boolean isVisible) {
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verifyThread();
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this.isVisible.setDefaultValue(isVisible ? Boolean.TRUE : Boolean.FALSE);
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}//setIsVisible()//
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/* (non-Javadoc)
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* @see com.foundation.view.swt.AbstractComponent#initializeControl(int)
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*/
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protected void initializeControl(int style, Object data) {
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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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if(customSize) {
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getSwtCoolItem().setSize(customWidth, customHeight);
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}//if//
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if(customPreferredSize) {
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getSwtCoolItem().setPreferredSize(customPreferredWidth, customPreferredHeight);
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}//if//
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if(customMinimumSize) {
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getSwtCoolItem().setMinimumSize(customMinimumWidth, customMinimumHeight);
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}//if//
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}//initializeControl()//
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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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isVisible.initialize();
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getSwtCoolItem().setControl(control.getSwtControl());
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super.internalViewInitialize();
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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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getSwtCoolItem().dispose();
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}//if//
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isVisible.release();
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super.internalViewRelease();
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}//internalViewRelease()//
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/* (non-Javadoc)
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* @see com.foundation.view.swt.AbstractComponent#internalViewRefresh()
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*/
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protected void internalViewRefresh() {
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super.internalViewRefresh();
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internalViewRefreshIsVisible();
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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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}//internalViewRefresh()//
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/**
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* Refreshes whether the component is visible based on the attribute value or if null the default flag value.
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*/
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protected void internalViewRefreshIsVisible() {
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if(isVisible.refresh()) {
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controlSetIsVisible(isVisible.getValue() == null ? true : ((Boolean) isVisible.getValue()).booleanValue());
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}//if//
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}//internalViewRefreshIsVisible()//
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/* (non-Javadoc)
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* @see com.foundation.view.swt.AbstractComponent#internalOnLinkInvoked(int, java.lang.Object)
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*/
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protected void internalOnLinkInvoked(int linkTarget, Object data) {
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switch(linkTarget) {
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case LINK_TARGET_IS_VISIBLE: {
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controlSetIsVisible(data != null && data instanceof Boolean ? ((Boolean) data).booleanValue() : false);
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break;
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}//case//
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default: {
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super.internalOnLinkInvoked(linkTarget, data);
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break;
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}//default//
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}//switch//
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}//internalOnLinkInvoked()//
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/* (non-Javadoc)
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* @see com.foundation.view.swt.Component#internalOnValueChanged(com.foundation.view.SingleResourceAssociation)
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*/
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protected void internalOnValueChanged(SingleResourceAssociation resourceAssociation, int flags) {
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if(resourceAssociation == isVisible) {
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internalViewRefreshIsVisible();
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}//if//
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else {
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super.internalOnValueChanged(resourceAssociation, flags);
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}//else//
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}//internalOnValueChanged()//
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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, null);
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}//else//
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}//if//
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}//controlSetIsVisible()//
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/**
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* Sets the cool item initial size.
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* @param width
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* @param height
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*/
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public void setSize(int width, int height) {
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customSize = true;
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customWidth = width;
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customHeight = height;
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if(getSwtCoolItem() != null) {
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getSwtCoolItem().setSize(width, height);
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}//if//
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}//setSize()//
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/**
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* Sets the cool item minimum size.
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* @param width
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* @param height
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*/
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public void setMinimumSize(int width, int height) {
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customMinimumSize = true;
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customMinimumWidth = width;
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customMinimumHeight = height;
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if(getSwtCoolItem() != null) {
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getSwtCoolItem().setMinimumSize(width, height);
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}//if//
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}//setMinimumSize()//
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/**
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* Sets the cool item preferred size.
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* @param width
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* @param height
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*/
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public void setPreferredSize(int width, int height) {
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customPreferredSize = true;
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customPreferredWidth = width;
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customPreferredHeight = height;
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if(getSwtCoolItem() != null) {
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getSwtCoolItem().setPreferredSize(width, height);
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}//if//
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}//setPreferredSize()//
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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. Display a menu of items not visible on the menu bar associated with 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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* @param parent A composite control which will be the parent of the new instance (cannot be null).
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* @param name The unique component name.
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* @param style The style of control to construct.
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* @see #STYLE_FLAT
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*/
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public CoolBar(Container parent, String name, int style) {
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super(parent, name, style);
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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);
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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.view.swt.AbstractComponent#initializeControl(int)
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*/
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protected void initializeControl(int style, Object data) {
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setSwtWidget(new org.eclipse.swt.widgets.CoolBar(((Container) getContainer()).getSwtParent(), style));
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getSwtWidget().setData(this);
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}//initializeControl()//
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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.view.swt.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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getSwtCoolBar().getParent().layout(true, true);
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getSwtCoolBar().getParent().redraw();
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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.view.swt.AbstractComponent#internalViewInitializeAll()
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*/
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public 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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//Initialize all the menus.//
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for(int index = 0; index < menus.getSize(); index++) {
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((Menu) menus.get(index)).internalViewInitializeAll();
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}//for//
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}//internalViewInitializeAll()//
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/* (non-Javadoc)
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* @see com.foundation.view.swt.AbstractComponent#internalViewReleaseAll()
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*/
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public 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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//Release all the menus.//
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for(int index = 0; index < menus.getSize(); index++) {
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((Menu) menus.get(index)).internalViewReleaseAll();
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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.view.swt.AbstractComponent#internalViewRefreshAll()
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*/
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public void internalViewRefreshAll() {
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super.internalViewRefreshAll();
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//Refresh all the cool items.//
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for(int index = 0; index < coolItems.getSize(); index++) {
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((CoolItem) coolItems.get(index)).internalViewRefresh();
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}//for//
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//Refresh all the menus.//
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for(int index = 0; index < menus.getSize(); index++) {
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((Menu) menus.get(index)).internalViewRefreshAll();
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}//for//
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}//internalViewRefreshAll()//
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/* (non-Javadoc)
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* @see com.foundation.view.swt.AbstractComponent#internalViewSynchronizeAll()
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*/
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public 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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//Synchronize all the menus.//
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for(int index = 0; index < menus.getSize(); index++) {
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((Menu) menus.get(index)).internalViewSynchronizeAll();
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}//for//
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super.internalViewSynchronizeAll();
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}//internalViewSynchronizeAll()//
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/* (non-Javadoc)
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* @see com.foundation.view.swt.Component#setMenu(com.foundation.view.swt.Menu)
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*/
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public void setMenu(Menu menu) {
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verifyThread();
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menus.add(menu);
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//A tool bar can have multiple menus associated with it. Each menu is tied to a drop down tool item. Since the tool item is not a control, the menu is linked to the bar instead.//
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if((isInitialized()) && (menu != null)) {
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menu.internalViewInitializeAll();
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}//if//
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}//setMenu()//
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}//CoolBar//
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