source: trunk/hiptop/cognet++/org/twodot/cognet/ChatWindow.java

/*
 * cognet chat app
 *
 * Copyright 2003, Brian Swetland <swetland@frotz.net>
 * See LICENSE for redistribution terms
 *
 */
package org.twodot.cognet;

import danger.ui.ScreenWindow;
import danger.ui.EditText;
import danger.ui.Layout;
import danger.app.Event;
import danger.ui.Font;
import java.util.Date;
import danger.util.format.DateFormat;

import danger.ui.MarqueeAlert;
import danger.ui.NotificationManager;
import danger.ui.Shortcut;

public class ChatWindow extends ScreenWindow
{
        public ChatWindow(Engine e, String ctxt, String key) {
                super(ctxt);

                history = new ChatHistory(8192, e);
                history.setSize(getWidth() - 1, getHeight() - 20);
                history.setPosition(1, 0);
                this.addChild(history);
                history.show();

                line = new EditText(true, true);
                Layout.positionBelow(line, history, 0, 2);
                line.setSize(getWidth(), getHeight() - line.getTop());
                line.show();
                addChild(line);

                setFocusedChild(line);
                context = ctxt;
                this.key = key;
                engine = e;
                app = e.app;

                if(key.charAt(0) == '%') special = true;
                if(key.charAt(0) == '#') channel = true;
                if(key.charAt(0) == '&') channel = true;
        }

        public void show() {
                engine.MakeActive(this);
                super.show();
        }
        
        public void adjustActionMenuState() {
                app.MakeMenu(getActionMenu(),this);
        }
        
        public boolean eventKeyUp(char key, Event event) {
                if((key == '\n') || (key == '\r')){
                        engine.Command(this.key,line.toString());
                        line.clear();
                        return true;
                } else {
                        return super.eventKeyUp(key, event);
                }
        }
        
        public void ScrollList(int count) {
                if(count < 0) {
                        count = -count;
                        for(int i = 0; i < count; i++) history.ScrollUp();
                } else {
                        for(int i = 0; i < count; i++) history.ScrollDown();
                }
                history.invalidate();
                
        }
        
        // no autorepeat
        public boolean eventWidgetUp(int widget, Event event) {
                switch(widget) {
                case Event.DEVICE_WHEEL:
                        ScrollList(-1);
                        return true;
                case Event.DEVICE_WHEEL_PAGE_UP:
                        ScrollList(-8);
                        return true;
                case Event.DEVICE_WHEEL_PAGE_DOWN:
                        ScrollList(8);
                        return true;
                case Event.DEVICE_BUTTON_BACK: 
                        getApplication().returnToLauncher();
                        return true;
                default:
                        return super.eventWidgetUp(widget,event);
                }
        }

        // autorepeat
        public boolean eventWidgetDown(int widget, Event event) {
                switch(widget) {
                case Event.DEVICE_WHEEL:
                        ScrollList(1);
                        return true;
                case Event.DEVICE_WHEEL_PAGE_DOWN:
                        ScrollList(8);
                        return true;
                default:
                        return super.eventWidgetDown(widget,event);
                }
        }

        public boolean receiveEvent(Event e) {
                        //e.DebugPrint();
                switch(e.type){
                case kMessage:
                        String s = (String) e.argument;
                        history.AddChannel(s);
                        history.invalidate();
                        if(!active) {
                                if(!mailbox) {
                                        mailbox = true;
                                        engine.UpdateAlerts();
                                }
                                //if(!channel && !special){
                                //}
                        }

            if (!app.fgapp) {
                long timeNow = System.currentTimeMillis();
                if ((app.doMarquee) && (timeNow >= (lastMarquee + (1000 * marqueeTimeout)))) {
                    NotificationManager.marqueeAlertNotify(new MarqueeAlert(s, app.bm_notify,1));
                    lastMarquee = timeNow;
                }
                app.Notify();
            }

            Date date = new Date();
            setSubTitle("Last Message " + DateFormat.withFormat("h:mma", date));

                        return true;
                case kClear:
                        history.Clear();
                        history.invalidate();
                        return true;
                }

                return super.receiveEvent(e);
        }

        void MSG(String s) {
                Event e = new Event(this, kMessage);
                e.argument = s;
                getListener().sendEvent(e);
        }
        
        void CLR() {
                getListener().sendEvent(new Event(this, kClear));
        }
        

        void URL(String URL, String Category, String Name)
        {
                links.AddLink(URL, Category, Name);
                app.MakeMenu(getActionMenu(),this);
        }
        
        public boolean eventShortcut(char c, Event e) {
                if ((e.modifiers & Event.EVENT_MODIFIER_CAPS) != 0) {
                        if (engine.saveQuickKey(key, (char)e.data))
                                return true;
                }
                switch (c) {
                case '@':
                        engine.login.show();
                        return true;
                case ',':
                        ChatWindow cw = engine.NextMailbox(this);
                        if(cw != null) cw.show();
                        return true;
                case Shortcut.ARROW_LEFT:
                        prev.show();
                        return true;
                case Shortcut.ARROW_RIGHT:
                        next.show();
                        return true;
                default:
                    System.err.println("Got shortcut " + c);
                        return super.eventShortcut(c, e);
                }
        }
        
        static final int kMessage = 1;
        static final int kClear = 2;
        
        Cognet app;
        ChatHistory history;
        EditText line;
        Engine engine;

        String context;
        String key;
        
        void Remove() {
                next.prev = prev;
                prev.next = next;
                next = this;
                prev = this;
                hide();
        }

        void SetQuickKey(char quickkey) {
                this.quickkey = quickkey;
                if(quickkey != '\0'){
                        setTitle(Shortcut.makeShortcutLabel(quickkey, true) + ": " + context);
                } else {
                        setTitle(context);
                }
        }

    void setFont(Font f) {
        if (f != null) {
            history.setPlainFont(f);
            history.invalidate();
        }
    }

    void setEmoticons(boolean onOff) {
        history.setEmoticons(onOff);
    }

        char quickkey;
        boolean active;
        boolean mailbox;
        boolean special;
        boolean channel;
        long lastMarquee;
        public final int marqueeTimeout = 60;           // one minute

        public LinkMenu links = new LinkMenu();

        ChatWindow next, prev;
}