Example usage for org.apache.wicket.protocol.ws.api WebSocketPushBroadcaster WebSocketPushBroadcaster

Introduction

In this page you can find the example usage for org.apache.wicket.protocol.ws.api WebSocketPushBroadcaster WebSocketPushBroadcaster.

Prototype

public WebSocketPushBroadcaster(IWebSocketConnectionRegistry registry) 

Source Link

Usage

From source file:org.efaps.ui.wicket.components.connection.MessagePanel.java

License:Apache License

/**
 * @param _wicketId wicketId of this component
 * @param _pageReference reference to the page
 * @throws EFapsException on error/*w  w  w.ja v  a  2 s . c  o m*/
 */
public MessagePanel(final String _wicketId, final PageReference _pageReference) throws EFapsException {
    super(_wicketId);
    final Form<Void> msgForm = new Form<>("msgForm");
    add(msgForm);

    final AjaxSubmitLink sendMsgBtn = new AjaxSubmitLink("sendMsgBtn", msgForm) {

        private static final long serialVersionUID = 1L;

        @Override
        protected void onAfterSubmit(final AjaxRequestTarget _target, final Form<?> _form) {
            final StringBuilder msg = new StringBuilder();
            _form.visitChildren(TextArea.class, new IVisitor<TextArea<String>, Void>() {
                @Override
                public void component(final TextArea<String> _textArea, final IVisit<Void> _visit) {
                    _textArea.setEscapeModelStrings(false);
                    msg.append(_textArea.getDefaultModelObjectAsString());
                    _visit.stop();
                }
            });

            if (msg.length() > 0) {
                _form.visitChildren(CheckBox.class, new IVisitor<CheckBox, Void>() {

                    @Override
                    public void component(final CheckBox _checkBox, final IVisit<Void> _visit) {
                        final Boolean selected = (Boolean) _checkBox.getDefaultModelObject();
                        if (selected) {
                            final CheckBoxPanel panel = (CheckBoxPanel) _checkBox.getParent();
                            final UIUser user = (UIUser) panel.getDefaultModelObject();
                            final List<IWebSocketConnection> conns = RegistryManager
                                    .getConnections4User(user.getUserName());
                            for (final IWebSocketConnection conn : conns) {
                                conn.sendMessage(new PushMsg(msg.toString()));
                            }
                        }
                    }
                });
            }
        }
    };
    msgForm.add(sendMsgBtn);

    final AjaxSubmitLink broadcastMsgBtn = new AjaxSubmitLink("broadcastMsgBtn", msgForm) {

        private static final long serialVersionUID = 1L;

        @Override
        protected void onAfterSubmit(final AjaxRequestTarget _target, final Form<?> _form) {

            final StringBuilder msg = new StringBuilder();
            _form.visitChildren(TextArea.class, new IVisitor<TextArea<String>, Void>() {

                @Override
                public void component(final TextArea<String> _textArea, final IVisit<Void> _visit) {
                    _textArea.setEscapeModelStrings(false);
                    msg.append(_textArea.getDefaultModelObjectAsString());
                    _visit.stop();
                }
            });

            if (msg.length() > 0) {
                final WebSocketSettings webSocketSettings = WebSocketSettings.Holder.get(getApplication());
                final WebSocketPushBroadcaster broadcaster = new WebSocketPushBroadcaster(
                        webSocketSettings.getConnectionRegistry());
                broadcaster.broadcastAll(EFapsApplication.get(), new PushMsg(msg.toString()));
            }
        }
    };
    msgForm.add(broadcastMsgBtn);

    final TextArea<String> msg = new TextArea<>("msg", Model.of(""));
    msgForm.add(msg);

    final MessageTablePanel messageTable = new MessageTablePanel("messageTable", _pageReference,
            new UserProvider());
    msgForm.add(messageTable);
}

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