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RemoteControl.java
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57 lines (46 loc) · 1.25 KB
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package command;
import command.impl.NoCommand;
/**
* Created by http://teachcourse.cn on 2018/03/22.
*/
public class RemoteControl {
Command[] onCommands;
Command[] offCommands;
Command undoCommand;
public RemoteControl() {
this.onCommands = new Command[7];
this.offCommands = new Command[7];
Command noCommand = new NoCommand();
for (int i = 0; i < 7; i++) {
onCommands[i] = noCommand;
offCommands[i] = noCommand;
}
undoCommand = noCommand;
}
public void setCommand(int slot, Command onCommand, Command offCommand) {
onCommands[slot] = onCommand;
offCommands[slot] = offCommand;
}
public void onButtonWasPushed(int slot) {
onCommands[slot].execute();
undoCommand = onCommands[slot];
}
public void offButtonWasPushed(int slot) {
offCommands[slot].execute();
undoCommand = offCommands[slot];
}
public void undoButterWasPushed() {
undoCommand.undo();
}
@Override
public String toString() {
StringBuffer stringBuff = new StringBuffer();
stringBuff.append("\n------Remote Control ------\n");
for (int i = 0; i < onCommands.length; i++) {
stringBuff.append("[slot " + i + "]"
+ onCommands[i].getClass().getName() + " "
+ offCommands[i].getClass().getName() + "\n");
}
return stringBuff.toString();
}
}