Android Open Source - nadia Simple Conversation

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Back to project page nadia.

License

The source code is released under:

GNU Lesser General Public License

Java Source Code

/*
 * SimpleConversation.java//from   w  w  w . j  a  v a2s .  c  om
 * 
 * Copyright (c) 2013, Emmanuel Arana Corzo. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */

package com.redarctic.nadia.controls.menu;

import java.util.ArrayList;
import java.util.concurrent.ConcurrentLinkedQueue;

import com.redarctic.nadia.ext.simplesignalslot.ISignalProvider;
import com.redarctic.nadia.ext.simplesignalslot.ISlotProvider;
import com.redarctic.nadia.ext.simplesignalslot.SignalSlotMap;
import com.redarctic.nadia.ext.simplesignalslot.SlotProviderMethodPair;
import com.redarctic.nadia.baseengine.DrawableObject;
import com.redarctic.nadia.controls.DirectionalPad;
import com.redarctic.nadia.controls.menu.CharacterDialog.DockPlace;

import android.graphics.Canvas;
import android.graphics.Point;

public class SimpleConversation<E extends CharacterDialog> 
extends ConcurrentLinkedQueue<E>
implements ISignalProvider, ISlotProvider, DrawableObject {
  private static final long serialVersionUID = -6476080508195188243L;
  private static final int DEFAULT_NUM_ROWS = 5;
  
  public static final String SIGNAL_CONVERSATION_ENDED = "CONVERSATION_ENDED";
  
  private DirectionalPad gamepad;
  private Point screenSize;
  
  public SimpleConversation(DirectionalPad gamepad, Point screenSize) {
    super();
    setGamepad(gamepad);
    this.screenSize = screenSize;
  }
  
  public SimpleConversation(DirectionalPad gamepad, Point screenSize, ArrayList<E> dialogs) {
    super();
    setGamepad(gamepad);
    this.screenSize = screenSize;
    addAll(dialogs);
  }
  
  public synchronized boolean add(String message) {
    String characterName = "*";
    boolean added = false;
    
    CharacterDialog dialog = new CharacterDialog(characterName, message);
    dialog.setDockPlace(DockPlace.UP);
    dialog.setWidth(this.screenSize.x);
    dialog.setNumRows(DEFAULT_NUM_ROWS);
    dialog.initialize();
    added = this.add((E) dialog);
    
    
    return added;
  }
  
  public synchronized boolean add(String characterName, String message) {
    boolean added = false;
    CharacterDialog dialog = new CharacterDialog(characterName, message);
    dialog.setDockPlace(DockPlace.UP);
    dialog.setWidth(this.screenSize.x);
    dialog.setNumRows(DEFAULT_NUM_ROWS);
    dialog.initialize();
    added = this.add((E)dialog);
    
    return added;
  }
  
  public synchronized void addAll(ArrayList<E> dialogs) {
    for (E dialog : dialogs) {
      if (!add(dialog)) {
        continue;
      }
    }
  }
  
  public DirectionalPad getGamepad() {
    return gamepad;
  }

  public synchronized void setGamepad(DirectionalPad gamepad) {
    if (this.gamepad != null && gamepad != this.gamepad) {
      disconnectOldGamepad();
    }
        
    if (gamepad != null) 
      this.gamepad = gamepad;
  }
  
  private synchronized void disconnectOldGamepad() {
    try {
      SignalSlotMap.fastDisconnect((ISignalProvider)this.gamepad);
      SignalSlotMap.fastDisconnect((ISignalProvider)this.gamepad.getButtonAction());
      SignalSlotMap.fastDisconnect((ISignalProvider)this.gamepad.getButtonArrowDown());
      SignalSlotMap.fastDisconnect((ISignalProvider)this.gamepad.getButtonArrowLeft());
      SignalSlotMap.fastDisconnect((ISignalProvider)this.gamepad.getButtonArrowRight());
      SignalSlotMap.fastDisconnect((ISignalProvider)this.gamepad.getButtonArrowUp());
      SignalSlotMap.fastDisconnect((ISignalProvider)this.gamepad.getButtonCancel());
      SignalSlotMap.fastDisconnect((ISignalProvider)this.gamepad.getButtonMenu());
    }
    catch (NullPointerException e) {
      e.printStackTrace();
    }
  }
  
  private void disconnectHead() {
    try {
      SignalSlotMap.fastDisconnect((ISignalProvider)this.peek());
    }
    catch (NullPointerException e) {
      e.printStackTrace();
    }
  }

  @Override
  public void initialize() {  
  }
  
  public synchronized void initConnections() {
    if (!this.isEmpty()) {
      SignalSlotMap.fastConnect(this.getGamepad(), DirectionalPad.SIGNAL_BUTTON_ACTION_RELEASED, 
          SlotProviderMethodPair.create(this, "nextDialog"));
    }
  }

  @Override
  public synchronized void update(Canvas canvas) {
    if (!this.isEmpty())
      this.peek().update(canvas);
  }

  @Override
  public synchronized void drawMe(Canvas canvas) {
    if (!this.isEmpty())
      this.peek().drawMe(canvas);
  }
  
  public void nextDialog() {
    if (!isEmpty()) {
      disconnectHead();
      
      poll();
      SignalSlotMap.fastConnect(this.getGamepad(), DirectionalPad.SIGNAL_BUTTON_ACTION_RELEASED, 
          SlotProviderMethodPair.create(this, "nextDialog"));
    }
    else {
      SignalSlotMap.fastEmit(this, SIGNAL_CONVERSATION_ENDED);
    }
  }
}

Java Source Code List

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