SoundList.java

/*******************************************************************************
 * Copyright 2014 Rafael Garcia Moreno.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.bladecoder.engineeditor.ui;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Arrays;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.audio.Sound;
import com.badlogic.gdx.files.FileHandle;
import com.badlogic.gdx.scenes.scene2d.Actor;
import com.badlogic.gdx.scenes.scene2d.ui.ImageButton;
import com.badlogic.gdx.scenes.scene2d.ui.Skin;
import com.badlogic.gdx.scenes.scene2d.utils.ChangeListener;
import com.badlogic.gdx.utils.Timer;
import com.badlogic.gdx.utils.Timer.Task;
import com.bladecoder.engine.model.InteractiveActor;
import com.bladecoder.engine.model.SoundFX;
import com.bladecoder.engineeditor.Ctx;
import com.bladecoder.engineeditor.common.ElementUtils;
import com.bladecoder.engineeditor.model.Project;
import com.bladecoder.engineeditor.ui.panels.CellRenderer;
import com.bladecoder.engineeditor.ui.panels.ModelList;
import com.bladecoder.engineeditor.undo.UndoDeleteSound;

public class SoundList extends ModelList<InteractiveActor, SoundFX> {

	private ImageButton playBtn;
	private Sound playingSound = null;

	public SoundList(Skin skin) {
		super(skin, true);

		playBtn = new ImageButton(skin);
		toolbar.addToolBarButton(playBtn, "ic_check", "Play Sound", "Plays the selected sound");
		playBtn.setDisabled(true);

		setCellRenderer(listCellRenderer);

		Ctx.project.addPropertyChangeListener(Project.NOTIFY_ELEMENT_CREATED, new PropertyChangeListener() {
			@Override
			public void propertyChange(PropertyChangeEvent evt) {
				if (evt.getNewValue() instanceof SoundFX && !(evt.getSource() instanceof EditSoundDialog)
						&& parent instanceof InteractiveActor) {
					addElements(parent, Arrays.asList(parent.getSounds().values().toArray(new SoundFX[0])));
				}
			}
		});

		list.addListener(new ChangeListener() {

			@Override
			public void changed(ChangeEvent event, Actor actor) {
				int pos = list.getSelectedIndex();

				toolbar.disableEdit(pos == -1);
				playBtn.setDisabled(pos == -1);
			}
		});

		playBtn.addListener(new ChangeListener() {
			@Override
			public void changed(ChangeEvent event, Actor actor) {
				SoundFX selected = list.getSelected();

				if (playingSound != null) {
					playingSound.stop();
					playingSound.dispose();
					playingSound = null;
				}

				playingSound = Gdx.audio.newSound(new FileHandle(Ctx.project.getProjectPath() + "/"
						+ Project.SOUND_PATH + "/" + selected.getFilename()));

				playingSound.play(selected.getVolume(), 1, selected.getPan());

				Timer.schedule(new Task() {

					@Override
					public void run() {
						if (playingSound != null) {
							playingSound.stop();
							playingSound.dispose();
							playingSound = null;
						}
					}
				}, 5);
			}
		});
	}

	@Override
	protected EditSoundDialog getEditElementDialogInstance(SoundFX s) {
		return new EditSoundDialog(skin, parent, s);
	}

	@Override
	protected void delete() {

		SoundFX s = removeSelected();

		parent.getSounds().remove(s.getId());

		// UNDO
		Ctx.project.getUndoStack().add(new UndoDeleteSound(parent, s));
		Ctx.project.setModified();
	}

	@Override
	protected void copy() {
		SoundFX e = list.getSelected();

		if (e == null)
			return;

		clipboard = (SoundFX) ElementUtils.cloneElement(e);
		toolbar.disablePaste(false);
	}

	@Override
	protected void paste() {
		SoundFX newElement = (SoundFX) ElementUtils.cloneElement(clipboard);

		int pos = list.getSelectedIndex() + 1;

		list.getItems().insert(pos, newElement);

		String id = newElement.getId();
		
		if(parent.getSounds() != null)
			id = ElementUtils.getCheckedId(newElement.getId(),
					parent.getSounds().keySet().toArray(new String[parent.getSounds().size()]));
		
		newElement.setId(id);

		parent.addSound(newElement);

		list.setSelectedIndex(pos);
		list.invalidateHierarchy();

		Ctx.project.setModified();
	}

	// -------------------------------------------------------------------------
	// ListCellRenderer
	// -------------------------------------------------------------------------
	private static final CellRenderer<SoundFX> listCellRenderer = new CellRenderer<SoundFX>() {

		@Override
		protected String getCellTitle(SoundFX e) {
			return e.getId();
		}

		StringBuilder sb = new StringBuilder();

		@Override
		protected String getCellSubTitle(SoundFX e) {
			sb.setLength(0);

			String filename = e.getFilename();
			if (filename != null && !filename.isEmpty())
				sb.append("filename: ").append(filename);

			sb.append(" loop: ").append(e.getLoop());
			sb.append(" volume: ").append(e.getVolume());

			return sb.toString();
		}

		@Override
		protected boolean hasSubtitle() {
			return true;
		}
	};

}