Initial commit from SVN.
This commit is contained in:
wcrisman
@@ -0,0 +1,583 @@
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/*
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* Copyright (c) 2003,2009 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.tcv.swt.server;
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import com.common.util.*;
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import com.common.debug.*;
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import com.foundation.view.*;
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import com.foundation.view.resource.ResourceReference;
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import com.foundation.tcv.model.LinkInfo;
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import com.foundation.tcv.swt.IMenu;
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import com.foundation.tcv.view.*;
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public class Menu extends AbstractComponent implements IMenu {
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/** The menu's parent component which may be another menu. */
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private AbstractComponent parent = null;
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/** An internal flag to assist in determining whether this menu is allowed to have sub-menus. */
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private boolean canHaveSubMenus = false;
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/** A collection of sub menus. */
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private IList subMenus = null;
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/** The menu's name. */
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private String name = null;
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/** Called when the button is pressed. */
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private IMethodAssociation selectionMethod = null;
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/** The menu's selection state resource. */
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private SingleResourceAssociation selection;
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/** The menu's title resource. */
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private SingleResourceAssociation text;
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/** The menu's image resource. */
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private SingleResourceAssociation image;
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/** The resource defining the visible state for the menu. */
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private SingleResourceAssociation isVisible;
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/** The resource defining the enabled state for the menu. */
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private SingleResourceAssociation isEnabled;
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/** The current accelerator character used to activate the menu. */
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private Integer currentAccelerator = null;
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/** Whether the menu is a push menu which doesn't retain a selection state. */
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private final boolean isPushMenu;
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/** Whether the menu is a radio or check style menu which retains a selection state. */
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private final boolean isRadioCheckMenu;
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/** Whether the method called when the menu is pressed should be performed on the UI thread. */
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private boolean synchronousSelection = false;
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/** A reusable single value array. */
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private Object[] reusableArrayOne = new Object[1];
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/**
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* Menu constructor.
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* @param parent The component containing the menu. There are only a few components that allow a menu bar. All components may have one popup menu.
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* @param name The optional name for the menu.
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* @param style The menu style. The menu may be a bar, popup, or cascade if it contains other menus.
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* @see #STYLE_BAR
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* @see #STYLE_POPUP
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* @see #STYLE_CASCADE
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* @see #STYLE_RADIO
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* @see #STYLE_CHECK
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* @see #STYLE_PUSH
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* @see #STYLE_SEPARATOR
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* @see #STYLE_RIGHT_TO_LEFT
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* @see #STYLE_LEFT_TO_RIGHT
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*/
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public Menu(com.foundation.view.IAbstractComponent parent, String name, int style) {
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super(((AbstractComponent) parent).getSessionViewController());
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this.parent = (AbstractComponent) parent;
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this.name = name;
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this.isPushMenu = (style & STYLE_PUSH) > 0;
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this.isRadioCheckMenu = ((style & STYLE_RADIO) > 0) || ((style & STYLE_CHECK) > 0);
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if(!(((style & STYLE_BAR) > 0) || ((style & STYLE_POPUP) > 0))) {
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throw new IllegalArgumentException("The parent must be another menu for this menu style.");
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}//if//
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canHaveSubMenus = true;
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if((style & STYLE_BAR) > 0) {
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if(parent instanceof IDecoration) {
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((IDecoration) parent).setMenuBar(this);
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}//if//
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else {
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Debug.log("Error: Cannot assign a menu bar to a non-IDecoration component.");
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}//else//
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}//if//
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else if((style & STYLE_POPUP) > 0) {
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if(this.parent instanceof AbstractComponent) {
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((AbstractComponent) this.parent).setMenu(this);
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}//if//
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}//if//
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initialize();
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//Initialize the client control.//
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sendMessage(MESSAGE_INITIALIZE, null, null, this.parent.getNumber(), style);
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}//Menu()//
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/**
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* Menu constructor.
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* @param parent The menu containing the menu.
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* @param name The optional name for the menu.
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* @param style The menu style. The menu may be a bar, popup, or cascade if it contains other menus.
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* @see #STYLE_BAR
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* @see #STYLE_POPUP
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* @see #STYLE_CASCADE
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* @see #STYLE_RADIO
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* @see #STYLE_CHECK
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* @see #STYLE_PUSH
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* @see #STYLE_SEPARATOR
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* @see #STYLE_RIGHT_TO_LEFT
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* @see #STYLE_LEFT_TO_RIGHT
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*/
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public Menu(Menu parent, String name, int style) {
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super(parent.getSessionViewController());
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this.parent = parent;
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this.name = name;
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this.isPushMenu = (style & STYLE_PUSH) > 0;
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this.isRadioCheckMenu = ((style & STYLE_RADIO) > 0) || ((style & STYLE_CHECK) > 0);
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if(((style & STYLE_BAR) > 0) || ((style & STYLE_POPUP) > 0)) {
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throw new IllegalArgumentException("The parent may not be another menu for this menu style.");
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}//if//
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if((style & STYLE_CASCADE) > 0) {
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canHaveSubMenus = true;
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}//if//
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parent.getSubMenus().add(this);
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initialize();
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sendMessage(MESSAGE_INITIALIZE, null, null, parent.getNumber(), style);
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}//Menu()//
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/**
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* Initializes the view component.
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*/
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protected void initialize() {
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selection = new SingleResourceAssociation(this, this, getViewContext(), SingleResourceAssociation.TYPE_BOOLEAN, true, Boolean.FALSE);
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text = new SingleResourceAssociation(this, this, getViewContext(), SingleResourceAssociation.TYPE_TEXT, false, "");
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image = new SingleResourceAssociation(this, this, getViewContext(), SingleResourceAssociation.TYPE_IMAGE, false, null);
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isVisible = new SingleResourceAssociation(this, this, getViewContext(), SingleResourceAssociation.TYPE_BOOLEAN, false, Boolean.TRUE);
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isEnabled = new SingleResourceAssociation(this, this, getViewContext(), SingleResourceAssociation.TYPE_BOOLEAN, false, Boolean.TRUE);
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}//initialize()//
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/**
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* Gets the collection of all sub menus.
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* @return A collection of menus, or null if this menu cannot hold other menus.
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*/
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private IList getSubMenus() {
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if((canHaveSubMenus) && (subMenus == null)) {
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subMenus = new LiteList(4, 8);
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}//if//
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return subMenus;
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}//getSubMenus()//
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/**
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* Gets the parent component for this component.
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* @return The view component containing this component. This will not be null, and may be a Component or another Menu instance.
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*/
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public AbstractComponent getParent() {
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return parent;
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}//getParent()//
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/**
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* Gets the container nearest the menu.
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* @return The nearest container to this menu.
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*/
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public IAbstractContainer getContainer() {
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AbstractComponent component = getParent();
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while(component instanceof Menu) {
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component = ((Menu) component).getParent();
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}//while//
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return component instanceof IAbstractContainer ? (IAbstractContainer) component : ((IAbstractComponent) component).getContainer();
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}//getContainer()//
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/**
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* Gets the component's name.
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* @return The name of this component.
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*/
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public String getName() {
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return name;
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}//getName()//
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/**
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* Gets the accelerator character for the menu.
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* @return The menu accelerator key.
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*/
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public int getAccelerator() {
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verifyThread();
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return currentAccelerator.intValue();
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}//setAccelerator()//
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/**
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* Sets the accelerator character for the menu.
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* @param accelerator The menu accelerator key.
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*/
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public void setAccelerator(int accelerator) {
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verifyThread();
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if((currentAccelerator == null) || (currentAccelerator.intValue() != accelerator)) {
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currentAccelerator = new Integer(accelerator);
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sendMessage(MESSAGE_SET_ACCELERATOR, currentAccelerator);
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}//if//
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}//setAccelerator()//
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/**
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* Gets the component selection state.
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* @return Whether the component is in the selected state.
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*/
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public Boolean getIsSelected() {
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verifyThread();
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return (Boolean) this.selection.getDefaultValue();
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}//getIsSelected()//
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/**
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* Sets the menu's default selection state.
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* @param isSelected Whether the menu is selected by default.
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*/
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public void setIsSelected(Boolean isSelected) {
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verifyThread();
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if(isRadioCheckMenu) {
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this.selection.setDefaultValue(isSelected);
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}//if//
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}//setIsSelected()//
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/**
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* Sets the selection method called when the menu is pressed (intended for push menus).
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* <p>TODO: Currently this may not be changed after initializing the control. Make this changeable? or throw an error if it is changed?</p>
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* @param selectionMethod The method called when the menu is selected.
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*/
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public void setSelectionMethod(IMethodAssociation selectionMethod) {
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verifyThread();
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if(isPushMenu) {
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this.selectionMethod = selectionMethod;
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}//if//
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}//setSelectionMethod()//
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/**
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* Adds a link for the selection.
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* @param link The local linkage for the selection.
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*/
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public void addSelectionLink(LinkData link) {
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sendMessage(MESSAGE_ADD_SELECTION_LINK, new LinkInfo(((AbstractComponent) link.getComponent()).getNumber(), link.getTarget(), link.getData(), link.isBoolean(), link.invertLogic(), link.nullValue()));
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}//addSelectionLink()//
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/**
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* Sets an association container used to access the text.
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* @param container The text association metadata.
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*/
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public void setTextAssociation(SingleAssociationContainer container) {
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verifyThread();
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this.text.setAssociations(container);
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}//setTextAssociation()//
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/**
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* Sets an association container used to access the image.
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* @param container The image association metadata.
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*/
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public void setImageAssociation(SingleAssociationContainer container) {
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verifyThread();
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this.image.setAssociations(container);
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}//setImageAssociation()//
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/**
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* Sets an association container used to access the selection.
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* @param container The selection association metadata.
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*/
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public void setSelectionAssociation(SingleAssociationContainer container) {
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verifyThread();
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this.selection.setAssociations(container);
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}//setSelectionAssociation()//
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/**
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* Sets the association container used to access whether the menu is enabled.
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* @param container The enabled state association metadata.
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*/
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public void setIsEnabledAssociation(SingleAssociationContainer container) {
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verifyThread();
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this.isEnabled.setAssociations(container);
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}//setIsEnabledAssociation()//
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/**
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* Sets the association container used to access whether the menu is visible.
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* @param container The visible state 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 selection synchronization should wait for a reply before returning control to the user.
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* @param synchronousSelection Whether the selection is synchronous.
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*/
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public void setSynchronousSelection(boolean synchronousSelection) {
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verifyThread();
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if(isPushMenu) {
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if(this.synchronousSelection != synchronousSelection) {
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this.synchronousSelection = synchronousSelection;
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sendMessage(MESSAGE_SET_SYNCHRONOUS_SELECTION, synchronousSelection ? Boolean.TRUE : Boolean.FALSE);
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}//if//
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}//if//
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}//setSynchronousSelection()//
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/**
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* Sets the component text.
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* @param text The text that will appear in the component.
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*/
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public void setText(String text) {
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verifyThread();
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this.text.setDefaultValue(text);
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}//setText()//
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/**
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* Sets the component's default text resource.
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* @param text The text to be displayed by this component.
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*/
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public void setText(ResourceReference text) {
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verifyThread();
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this.text.setDefaultValue(text);
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}//setText()//
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/**
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* Sets the component image.
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* @param image The image to be displayed by the component.
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*/
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public void setImage(JefImage image) {
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verifyThread();
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this.image.setDefaultValue(image);
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}//setImage()//
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/**
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* Sets the component's default image resource.
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* @param image The image to be displayed by this component.
|
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*/
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public void setImage(ResourceReference image) {
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verifyThread();
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||||
this.image.setDefaultValue(image);
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||||
}//setImage()//
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||||
/**
|
||||
* Sets whether the menu is visible by default.
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||||
* @param isVisible The default visiblity for the menu.
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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);
|
||||
}//setIsVisible()//
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||||
/**
|
||||
* Sets the default visibility resource.
|
||||
* @param isVisible Whether the user can see the component.
|
||||
*/
|
||||
public void setIsVisible(ResourceReference isVisible) {
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verifyThread();
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||||
this.isVisible.setDefaultValue(isVisible);
|
||||
}//setIsVisible()//
|
||||
/**
|
||||
* Sets the default enabled state of the menu.
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||||
* @param isEnabled Whether the menu is enabled by default.
|
||||
*/
|
||||
public void setIsEnabled(boolean isEnabled) {
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verifyThread();
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||||
this.isEnabled.setDefaultValue(isEnabled ? Boolean.TRUE : Boolean.FALSE);
|
||||
}//setIsEnabled()//
|
||||
/**
|
||||
* Sets the default enabled state resource.
|
||||
* @param isEnabled Whether the user can interact with the component.
|
||||
*/
|
||||
public void setIsEnabled(ResourceReference isEnabled) {
|
||||
verifyThread();
|
||||
this.isEnabled.setDefaultValue(isEnabled);
|
||||
}//setIsEnabled()//
|
||||
/**
|
||||
* Sets the menu location.
|
||||
* @param x The upper left point's X coordinate.
|
||||
* @param y The upper left point's Y coordinate.
|
||||
*/
|
||||
public void setLocation(int x, int y) {
|
||||
verifyThread();
|
||||
sendMessage(MESSAGE_SET_LOCATION, new int[] {x, y});
|
||||
}//setLocation()//
|
||||
/* (non-Javadoc)
|
||||
* @see com.foundation.tcv.swt.server.AbstractComponent#internalViewInitializeAll()
|
||||
*/
|
||||
protected void internalViewInitializeAll() {
|
||||
super.internalViewInitializeAll();
|
||||
|
||||
try {
|
||||
//Initialize sub-menus.//
|
||||
if((getSubMenus() != null) && (getSubMenus().getSize() > 0)) {
|
||||
IIterator iterator = getSubMenus().iterator();
|
||||
|
||||
while(iterator.hasNext()) {
|
||||
Menu next = (Menu) iterator.next();
|
||||
|
||||
next.internalViewInitializeAll();
|
||||
}//while//
|
||||
}//if//
|
||||
}//try//
|
||||
catch(Throwable e) {
|
||||
Debug.log(e);
|
||||
}//catch//
|
||||
}//internalViewInitializeAll()//
|
||||
/* (non-Javadoc)
|
||||
* @see com.foundation.tcv.swt.server.AbstractComponent#internalViewReleaseAll()
|
||||
*/
|
||||
protected void internalViewReleaseAll() {
|
||||
super.internalViewReleaseAll();
|
||||
|
||||
try {
|
||||
//Release sub-menus.//
|
||||
if((getSubMenus() != null) && (getSubMenus().getSize() > 0)) {
|
||||
IIterator iterator = getSubMenus().iterator();
|
||||
|
||||
while(iterator.hasNext()) {
|
||||
Menu next = (Menu) iterator.next();
|
||||
|
||||
next.internalViewReleaseAll();
|
||||
}//while//
|
||||
}//if//
|
||||
}//try//
|
||||
catch(Throwable e) {
|
||||
Debug.log(e);
|
||||
}//catch//
|
||||
}//internalViewReleaseAll()//
|
||||
/* (non-Javadoc)
|
||||
* @see com.foundation.tcv.swt.server.AbstractComponent#internalViewRefreshAll()
|
||||
*/
|
||||
protected void internalViewRefreshAll() {
|
||||
//Refresh this component.//
|
||||
super.internalViewRefreshAll();
|
||||
|
||||
try {
|
||||
//Refresh sub-menus.//
|
||||
if((getSubMenus() != null) && (getSubMenus().getSize() > 0)) {
|
||||
IIterator iterator = getSubMenus().iterator();
|
||||
|
||||
while(iterator.hasNext()) {
|
||||
Menu next = (Menu) iterator.next();
|
||||
|
||||
next.internalViewRefreshAll();
|
||||
}//while//
|
||||
}//if//
|
||||
}//try//
|
||||
catch(Throwable e) {
|
||||
Debug.log(e);
|
||||
}//catch//
|
||||
}//internalViewRefreshAll()//
|
||||
/* (non-Javadoc)
|
||||
* @see com.foundation.tcv.swt.server.AbstractComponent#internalViewInitialize()
|
||||
*/
|
||||
protected void internalViewInitialize() {
|
||||
text.initialize();
|
||||
image.initialize();
|
||||
isVisible.initialize();
|
||||
isEnabled.initialize();
|
||||
selection.initialize();
|
||||
super.internalViewInitialize();
|
||||
}//internalViewInitialize()//
|
||||
/* (non-Javadoc)
|
||||
* @see com.foundation.tcv.swt.server.AbstractComponent#internalViewRelease()
|
||||
*/
|
||||
protected void internalViewRelease() {
|
||||
text.release();
|
||||
image.release();
|
||||
isVisible.release();
|
||||
isEnabled.release();
|
||||
selection.release();
|
||||
super.internalViewRelease();
|
||||
}//internalViewRelease()//
|
||||
/* (non-Javadoc)
|
||||
* @see com.foundation.tcv.swt.server.AbstractComponent#internalViewRefresh()
|
||||
*/
|
||||
protected void internalViewRefresh() {
|
||||
addMessageHold();
|
||||
|
||||
try {
|
||||
internalViewRefreshSelection();
|
||||
internalViewRefreshText();
|
||||
internalViewRefreshImage();
|
||||
internalViewRefreshIsVisible();
|
||||
internalViewRefreshIsEnabled();
|
||||
super.internalViewRefresh();
|
||||
}//try//
|
||||
finally {
|
||||
removeMessageHold();
|
||||
}//finally//
|
||||
}//internalViewRefresh()//
|
||||
/**
|
||||
* Refreshes the selection.
|
||||
*/
|
||||
protected void internalViewRefreshSelection() {
|
||||
if(selection.refresh()) {
|
||||
sendMessage(MESSAGE_SET_IS_SELECTED, selection.getValue());
|
||||
}//if//
|
||||
}//internalViewRefreshSelection()//
|
||||
/**
|
||||
* Refreshes the text from the text attribute and the default text.
|
||||
*/
|
||||
protected void internalViewRefreshText() {
|
||||
if(text.refresh()) {
|
||||
sendMessage(MESSAGE_SET_TEXT, (String) text.getValue());
|
||||
}//if//
|
||||
}//internalViewRefreshText()//
|
||||
/**
|
||||
* Refreshes the image from the image url attribute and the default image url.
|
||||
*/
|
||||
protected void internalViewRefreshImage() {
|
||||
if(image.refresh()) {
|
||||
sendMessage(MESSAGE_SET_IMAGE, (JefImage) image.getValue());
|
||||
}//if//
|
||||
}//internalViewRefreshImage()//
|
||||
/**
|
||||
* Refreshes whether the menu is enabled based on the attribute value or if null the default flag value.
|
||||
*/
|
||||
protected void internalViewRefreshIsEnabled() {
|
||||
if(isEnabled.refresh()) {
|
||||
sendMessage(MESSAGE_SET_IS_ENABLED, isEnabled.getValue() == null ? Boolean.TRUE : (Boolean) isEnabled.getValue());
|
||||
}//if//
|
||||
}//internalViewRefreshIsEnabled()//
|
||||
/**
|
||||
* Refreshes whether the menu is visible based on the attribute value or if null the default flag value.
|
||||
*/
|
||||
protected void internalViewRefreshIsVisible() {
|
||||
if(isVisible.refresh()) {
|
||||
sendMessage(MESSAGE_SET_IS_VISIBLE, isVisible.getValue() == null ? Boolean.TRUE : (Boolean) isVisible.getValue());
|
||||
}//if//
|
||||
}//internalViewRefreshIsVisible()//
|
||||
/* (non-Javadoc)
|
||||
* @see com.foundation.tcv.swt.server.AbstractComponent#internalOnValueChanged(com.foundation.view.SingleResourceAssociation)
|
||||
*/
|
||||
protected void internalOnValueChanged(SingleResourceAssociation resourceAssociation, int flags) {
|
||||
if(resourceAssociation == isVisible) {
|
||||
internalViewRefreshIsVisible();
|
||||
}//if//
|
||||
else if(resourceAssociation == isEnabled) {
|
||||
internalViewRefreshIsEnabled();
|
||||
}//else if//
|
||||
else if(resourceAssociation == text) {
|
||||
internalViewRefreshText();
|
||||
}//else if//
|
||||
else if(resourceAssociation == image) {
|
||||
internalViewRefreshImage();
|
||||
}//else if//
|
||||
else if(resourceAssociation == selection) {
|
||||
internalViewRefreshSelection();
|
||||
}//else if//
|
||||
else {
|
||||
super.internalOnValueChanged(resourceAssociation, flags);
|
||||
}//else//
|
||||
}//internalOnValueChanged()//
|
||||
/* (non-Javadoc)
|
||||
* @see com.foundation.tcv.swt.server.AbstractComponent#internalOnEventFired(com.foundation.tcv.swt.server.IEventAssociation, java.lang.Object[])
|
||||
*/
|
||||
protected void internalOnEventFired(IEventAssociation eventAssociation, Object[] eventArguments) {
|
||||
super.internalOnEventFired(eventAssociation, eventArguments);
|
||||
}//internalOnEventFired()//
|
||||
/* (non-Javadoc)
|
||||
* @see com.foundation.tcv.view.IViewComponent#processMessage(com.foundation.tcv.model.ViewMessage)
|
||||
*/
|
||||
public Object processMessage(ViewMessage viewMessage) {
|
||||
Object retVal = null;
|
||||
|
||||
switch(viewMessage.getMessageNumber()) {
|
||||
case MESSAGE_VIEW_SYNCHRONIZE_SELECTION: {
|
||||
Boolean selectionState = (Boolean) viewMessage.getMessageData();
|
||||
|
||||
//Call the selection method. This is usually set for push menus.//
|
||||
if((isPushMenu) && (selectionMethod != null)) {
|
||||
reusableArrayOne[0] = selectionState;
|
||||
selectionMethod.invoke(reusableArrayOne, synchronousSelection);
|
||||
}//if//
|
||||
|
||||
//Call the selection attribute's setter. This is usually set for non-push menus.//
|
||||
if(isRadioCheckMenu) {
|
||||
selection.setValue(selectionState);
|
||||
}//if//
|
||||
break;
|
||||
}//case//
|
||||
default: {
|
||||
retVal = super.processMessage(viewMessage);
|
||||
}//default//
|
||||
}//switch//
|
||||
|
||||
return retVal;
|
||||
}//processMessage()//
|
||||
/* (non-Javadoc)
|
||||
* @see com.foundation.tcv.swt.server.AbstractComponent#getClientClassName()
|
||||
*/
|
||||
protected String getClientClassName() {
|
||||
return "com.foundation.tcv.swt.client.Menu";
|
||||
}//getClientClassName()//
|
||||
/* (non-Javadoc)
|
||||
* @see java.lang.Object#toString()
|
||||
*/
|
||||
public String toString() {
|
||||
return super.toString() + (getName() != null ? " (named: " + getName() + ")" : "");
|
||||
}//toString()//
|
||||
}//Menu//
|
||||
Reference in New Issue
Block a user