/*
* Copyright 2014 MovingBlocks
*
* 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 org.terasology.rendering.nui;
import org.terasology.input.BindButtonEvent;
import org.terasology.input.MouseInput;
import org.terasology.input.events.KeyEvent;
import org.terasology.input.events.MouseButtonEvent;
import org.terasology.input.events.MouseWheelEvent;
import org.terasology.math.Vector2i;
import java.util.Arrays;
import java.util.Iterator;
/**
* @author Immortius
*/
public abstract class CoreScreenLayer extends AbstractWidget implements UIScreenLayer {
private static final InteractionListener DEFAULT_SCREEN_LISTENER = new BaseInteractionListener() {
@Override
public boolean onMouseClick(MouseInput button, Vector2i pos) {
return true;
}
@Override
public boolean onMouseWheel(int wheelTurns, Vector2i pos) {
return true;
}
};
@LayoutConfig
private UIWidget contents;
private NUIManager manager;
private boolean initialised;
public CoreScreenLayer() {
}
public CoreScreenLayer(String id) {
super(id);
}
public void setId(String id) {
super.setId(id);
}
protected InteractionListener getScreenListener() {
return DEFAULT_SCREEN_LISTENER;
}
public void setContents(UIWidget contents) {
this.contents = contents;
}
public void onOpened() {
if (!initialised) {
initialise();
initialised = true;
}
}
protected abstract void initialise();
@Override
public boolean isLowerLayerVisible() {
return true;
}
@Override
public boolean isReleasingMouse() {
return true;
}
@Override
public boolean isEscapeToCloseAllowed() {
return true;
}
public UIWidget getContents() {
return contents;
}
public void onDraw(Canvas canvas) {
if (isModal()) {
canvas.addInteractionRegion(getScreenListener());
}
if (contents != null) {
canvas.drawWidget(contents, canvas.getRegion());
}
}
public void update(float delta) {
if (contents != null) {
contents.update(delta);
}
}
@Override
public NUIManager getManager() {
return manager;
}
@Override
public void setManager(NUIManager manager) {
this.manager = manager;
}
@Override
public void onClosed() {
}
@Override
public void onGainFocus() {
}
@Override
public void onLoseFocus() {
}
@Override
public void onMouseButtonEvent(MouseButtonEvent event) {
}
@Override
public void onMouseWheelEvent(MouseWheelEvent event) {
}
@Override
public void onKeyEvent(KeyEvent event) {
}
@Override
public void onBindEvent(BindButtonEvent event) {
}
@Override
public Vector2i getPreferredContentSize(Canvas canvas, Vector2i areaHint) {
return areaHint;
}
@Override
public boolean isModal() {
return true;
}
@Override
public Vector2i getMaxContentSize(Canvas canvas) {
return new Vector2i(Integer.MAX_VALUE, Integer.MAX_VALUE);
}
@Override
public boolean isSkinAppliedByCanvas() {
return true;
}
@Override
public String getMode() {
return DEFAULT_MODE;
}
@Override
public Iterator<UIWidget> iterator() {
return Arrays.asList(contents).iterator();
}
}