com.snowy.Chat.java Source code

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Here is the source code for com.snowy.Chat.java

Source

/*
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package com.snowy;

//import com.sun.istack.internal.logging.Logger;
import com.vaadin.data.validator.StringLengthValidator;
import com.vaadin.event.FieldEvents.BlurEvent;
import com.vaadin.event.FieldEvents.BlurListener;
import com.vaadin.event.FieldEvents.FocusEvent;
import com.vaadin.event.FieldEvents.FocusListener;
import com.vaadin.event.ShortcutAction.KeyCode;
import com.vaadin.ui.Button;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.TextArea;
import com.vaadin.ui.TextField;
import com.vaadin.ui.VerticalLayout;
import java.util.Collections;
import java.util.HashMap;

/**
 *
 * @author snowyowl
 */
public class Chat extends VerticalLayout {
    private data d;
    private TextArea tA = new TextArea();
    private TextField tf = new TextField();
    private int id, lastMessageId;

    //private java.sql.Date date;
    //private java.sql.Timestamp ts;
    public Chat(int id, data d) {

        this.d = d;
        this.id = id;
        tf.setSizeFull();
        //ts = d.getCurrentSqlTimestamp();
        //Logger.getLogger(Chat.class).info(ts.toString());
        //tA.setValue("hello\n");
        lastMessageId = d.lastMessageIdFromCurrent(id);
        HorizontalLayout fl = new HorizontalLayout();
        fl.addComponent(tf);
        Button b = new Button("Send");
        fl.addComponent(b);
        tf.setSizeFull();
        fl.setExpandRatio(tf, 1);
        b.addClickListener(e -> {
            if (tf.getValue().length() != 0) {

                d.sendMessage(id, (tf.getValue().length() < 200 ? tf.getValue() : tf.getValue().substring(0, 199)));

                tf.clear();
            }

        });
        /*tf.addTextChangeListener(e->{
        Logger.getLogger(Chat.class).info(e.getText().charAt(e.getText().length()-1)+"");
        if(e.getText().charAt(e.getText().length()-1)==10){
            b.click();
        }
            
        });*/
        tf.addFocusListener(new FocusListener() {
            @Override
            public void focus(final FocusEvent event) {
                b.setClickShortcut(KeyCode.ENTER);
            }

        });
        tf.addBlurListener(new BlurListener() {
            @Override
            public void blur(final BlurEvent event) {
                b.removeClickShortcut();
            }
        });
        fl.setSizeFull();
        fl.setHeightUndefined();
        tA.setSizeFull();
        //tA.setReadOnly(true);
        tf.setHeightUndefined();
        tA.setWordwrap(true);
        tA.setImmediate(true);

        this.addComponent(tA);
        this.addComponent(fl);
        this.setExpandRatio(tA, 2);
        tA.setReadOnly(true);

        //this.setExpandRatio(fl, 0);
        this.setSizeFull();
    }

    public void append(String message) {
        tA.setValue(tA.getValue() + message);
    }

    public void update() {
        tA.setReadOnly(false);
        HashMap<Integer, String> hss = new HashMap<>();
        hss = d.chatsSince(id, lastMessageId);
        //ts = d.getCurrentSqlTimestamp();
        hss.forEach((k, v) -> {
            append(v);
        });
        if (hss.size() > 0) {
            lastMessageId = Collections.max(hss.keySet());
        }
        tA.setReadOnly(true);

    }
}