121 lines
4.1 KiB
Java
121 lines
4.1 KiB
Java
/*
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* Copyright (c) 2005,2009 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.foundation.tcv.swt.ILink;
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import com.foundation.tcv.view.ViewMessage;
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import com.foundation.view.IMethodAssociation;
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import com.foundation.view.SingleAssociationContainer;
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import com.foundation.view.SingleResourceAssociation;
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public class Link extends Component implements ILink {
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/** Called when the link is pressed. */
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private IMethodAssociation selectionMethod = null;
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/** The button's text resource. */
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private SingleResourceAssociation text = new SingleResourceAssociation(this, this, getViewContext(), SingleResourceAssociation.TYPE_TEXT, false, "");
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/**
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* Link 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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*/
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public Link(Container parent, String name, int style) {
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super(parent, name, style);
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//Initialize the client component.//
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sendMessage(MESSAGE_INITIALIZE, new int[] {parent.getNumber(), style});
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}//Link()//
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/**
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* Sets the selection method called when the link is pressed.
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* @param selectionMethod The method called when the link is pressed.
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*/
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public void setSelectionMethod(IMethodAssociation selectionMethod) {
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verifyThread();
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this.selectionMethod = selectionMethod;
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}//setSelectionMethod()//
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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 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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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.server.AbstractComponent#internalViewInitialize()
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*/
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protected void internalViewInitialize() {
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super.internalViewInitialize();
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text.initialize();
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}//internalViewInitialize()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.server.AbstractComponent#internalViewRefresh()
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*/
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protected void internalViewRefresh() {
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super.internalViewRefresh();
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internalViewRefreshText();
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}//internalViewRefresh()//
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/**
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* Refreshes the link text.
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*/
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protected void internalViewRefreshText() {
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if(text.refresh()) {
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sendMessage(MESSAGE_SET_TEXT, (String) text.getValue());
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}//if//
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}//internalViewRefreshText()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.server.AbstractComponent#internalViewRelease()
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*/
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protected void internalViewRelease() {
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super.internalViewRelease();
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text.release();
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}//internalViewRelease()//
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/* (non-Javadoc)
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* @see com.foundation.view.swt.AbstractComponent#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 == text) {
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internalViewRefreshText();
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}//else 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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/* (non-Javadoc)
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* @see com.foundation.tcv.view.IViewComponent#processMessage(com.foundation.tcv.model.ViewMessage)
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*/
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public Object processMessage(ViewMessage viewMessage) {
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Object retVal = null;
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switch(viewMessage.getMessageNumber()) {
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case MESSAGE_VIEW_SYNCHRONIZE_SELECTION: {
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//Call the selection method.//
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selectionMethod.invoke(null, true);
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break;
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}//case//
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default: {
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retVal = super.processMessage(viewMessage);
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}//default//
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}//switch//
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return retVal;
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}//processMessage()//
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/* (non-Javadoc)
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* @see com.foundation.tcv.swt.server.AbstractComponent#getClientClassName()
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*/
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protected String getClientClassName() {
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return "com.foundation.tcv.swt.client.Link";
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}//getClientClassName()//
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}//Link// |