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58 lines
1.0 KiB
58 lines
1.0 KiB
package mightypork.rogue.gui;
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import java.util.HashMap;
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import mightypork.rogue.AppAccess;
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import mightypork.rogue.bus.Subsystem;
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import mightypork.rogue.bus.events.ScreenRequestEvent;
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import mightypork.utils.logging.Log;
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public class ScreenRegistry extends Subsystem implements ScreenRequestEvent.Listener {
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private final HashMap<String, Screen> screens = new HashMap<String, Screen>();
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private Screen active = null;
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public ScreenRegistry(AppAccess app) {
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super(app);
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}
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public void add(Screen screen)
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{
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screens.put(screen.getId(), screen);
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addChildClient(screen);
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}
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@Override
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public void showScreen(String key)
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{
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Log.f3("Request to show screen \"" + key + "\"");
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Screen toshow = screens.get(key);
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if (toshow == null) throw new RuntimeException("Screen " + key + " not defined.");
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if (active != null) active.setActive(false);
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toshow.setActive(true);
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active = toshow;
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}
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public void render()
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{
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if (active != null) active.render();
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}
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@Override
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protected void deinit()
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{
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// no impl
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}
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}
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