/*
* 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.logic.console.ui;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.terasology.input.MouseInput;
import org.terasology.logic.console.Console;
import org.terasology.logic.console.Message;
import org.terasology.logic.console.internal.CommandInfo;
import org.terasology.logic.players.LocalPlayer;
import org.terasology.math.Vector2i;
import org.terasology.registry.In;
import org.terasology.rendering.FontColor;
import org.terasology.rendering.nui.BaseInteractionListener;
import org.terasology.rendering.nui.CoreScreenLayer;
import org.terasology.rendering.nui.InteractionListener;
import org.terasology.rendering.nui.UIWidget;
import org.terasology.rendering.nui.databinding.ReadOnlyBinding;
import org.terasology.rendering.nui.layouts.ScrollableArea;
import org.terasology.rendering.nui.widgets.ActivateEventListener;
import org.terasology.rendering.nui.widgets.UIText;
import com.google.common.base.Function;
import com.google.common.collect.Collections2;
/**
* @author Immortius
*/
public class ConsoleScreen extends CoreScreenLayer {
@In
private Console console;
@In
private LocalPlayer localPlayer;
private UICommandEntry commandLine;
private boolean welcomePrinted;
private InteractionListener screenListener = new BaseInteractionListener() {
@Override
public boolean onMouseClick(MouseInput button, Vector2i pos) {
if (button == MouseInput.MOUSE_LEFT && commandLine != null) {
getManager().setFocus(commandLine);
}
return true;
}
};
@Override
public void initialise() {
final ScrollableArea scrollArea = find("scrollArea", ScrollableArea.class);
scrollArea.moveToBottom();
List<CommandInfo> commands = console.getCommandList();
// JAVA8: replace with lamba expression
Collection<String> commandNames = Collections2.transform(commands, new Function<CommandInfo, String>() {
@Override
public String apply(CommandInfo input) {
return input.getName();
}
});
commandLine = find("commandLine", UICommandEntry.class);
getManager().setFocus(commandLine);
commandLine.setTabCompletionEngine(new CyclingTabCompletionEngine(console, commandNames));
commandLine.bindCommandHistory(new ReadOnlyBinding<List<String>>() {
@Override
public List<String> get() {
return console.getPreviousCommands();
}
});
commandLine.subscribe(new ActivateEventListener() {
@Override
public void onActivated(UIWidget widget) {
console.execute(commandLine.getText(), localPlayer.getClientEntity());
commandLine.setText("");
scrollArea.moveToBottom();
}
});
final UIText history = find("messageHistory", UIText.class);
history.bindText(new ReadOnlyBinding<String>() {
@Override
public String get() {
StringBuilder messageList = new StringBuilder();
Iterator<Message> messageIterator = console.getMessages().iterator();
while (messageIterator.hasNext()) {
Message message = messageIterator.next();
messageList.append(FontColor.getColored(message.getMessage(), message.getType().getColor()));
messageList.append(Message.NEW_LINE);
}
return messageList.toString();
}
});
}
@Override
public void onOpened() {
super.onOpened();
getManager().setFocus(commandLine);
if (!welcomePrinted) {
console.addMessage("Welcome to the wonderful world of Terasology!" + Message.NEW_LINE +
Message.NEW_LINE +
"Type 'help' to see a list with available commands or 'help \"<commandName>\"' for command details." + Message.NEW_LINE +
"Text parameters should be in quotes, no commas needed between multiple parameters." + Message.NEW_LINE +
"Commands are case-sensitive, block names and such are not." + Message.NEW_LINE +
"You can use auto-completion by typing a partial command then hitting 'tab' - examples:" + Message.NEW_LINE +
"'gh' + 'tab' = 'ghost'" + Message.NEW_LINE +
"'lS' + 'tab' = 'listShapes' (camel casing abbreviated commands)" + Message.NEW_LINE);
welcomePrinted = true;
}
}
@Override
protected InteractionListener getScreenListener() {
return screenListener;
}
@Override
public boolean canBeFocus() {
return false;
}
}