name.martingeisse.webeco.SimulatorPage.java Source code

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Here is the source code for name.martingeisse.webeco.SimulatorPage.java

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/**
 * Copyright (c) 2010 Martin Geisse
 *
 * This file is distributed under the terms of the MIT license.
 */

package name.martingeisse.webeco;

import name.martingeisse.webeco.model.ISimulatorAction;
import name.martingeisse.webeco.model.SimulationModel;
import name.martingeisse.webeco.model.Simulator;
import name.martingeisse.webeco.wicket.CharacterDisplayPanel;
import name.martingeisse.webeco.wicket.QueueTextFeeder;

import org.apache.wicket.ajax.AbstractAjaxTimerBehavior;
import org.apache.wicket.ajax.AjaxEventBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.ajax.markup.html.form.AjaxButton;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.util.time.Duration;

/**
 * The main web page for the simulator.
 */
public class SimulatorPage extends WebPage {

    /**
     * the inputLine
     */
    private String inputLine;

    /**
     * Constructor.
     */
    public SimulatorPage() {

        final GuiMessageHub guiMessageHub = Simulator.getGuiMessageHub();

        final CharacterDisplayPanel characterDisplayPanel = new CharacterDisplayPanel("characterDisplayPanel",
                guiMessageHub.getCharacterDisplayQueue());
        add(characterDisplayPanel);

        final QueueTextFeeder feeder = new QueueTextFeeder("text", guiMessageHub.getTerminalOutputQueue());
        add(feeder);

        add(new AbstractAjaxTimerBehavior(Duration.seconds(1)) {
            @Override
            protected void onTimer(final AjaxRequestTarget target) {
                characterDisplayPanel.feed(target);
                feeder.feed(target);
            }
        });

        final Form<Void> inputForm = new Form<Void>("inputForm");
        add(inputForm);

        final TextField<String> inputLineTextField = new TextField<String>("text",
                new PropertyModel<String>(this, "inputLine"));
        inputLineTextField.setOutputMarkupId(true);
        inputForm.add(inputLineTextField);

        inputForm.add(new AjaxButton("submit", inputForm) {
            @Override
            protected void onSubmit(final AjaxRequestTarget target, final Form<?> form) {
                inputLine = (inputLine == null) ? "" : inputLine;
                guiMessageHub.getTerminalInputQueue().add(inputLine + "\r\n");
                notifyTerminalInputAvailable();
                inputLine = null;
                target.add(inputLineTextField);
            }

            @Override
            protected void onError(AjaxRequestTarget arg0, Form<?> arg1) {
            }
        });

        final WebMarkupContainer backspaceButton = new WebMarkupContainer("backspaceButton");
        add(backspaceButton);
        backspaceButton.add(new AjaxEventBehavior("onclick") {
            @Override
            protected void onEvent(final AjaxRequestTarget target) {
                guiMessageHub.getTerminalInputQueue().add("\b");
                notifyTerminalInputAvailable();
            }
        });

        add(new AjaxLink<Void>("resetLink") {
            @Override
            public void onClick(AjaxRequestTarget target) {
                guiMessageHub.getActions().add(new ISimulatorAction() {
                    @Override
                    public void execute(SimulationModel model) {
                        model.getCpu().reset();
                    }
                });
            }
        });

    }

    /**
     * 
     */
    private void notifyTerminalInputAvailable() {
        Simulator.getGuiMessageHub().getActions().add(new ISimulatorAction() {
            @Override
            public void execute(SimulationModel model) {
                model.notifyTerminalInputAvailable();
            }
        });
    }

    /**
     * Getter method for the inputLine.
     * @return the inputLine
     */
    public String getInputLine() {
        return inputLine;
    }

    /**
     * Setter method for the inputLine.
     * @param inputLine the inputLine to set
     */
    public void setInputLine(final String inputLine) {
        this.inputLine = inputLine;
    }

}