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75 lines
1.6 KiB
75 lines
1.6 KiB
package mightypork.gamecore.gui.components.layout;
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import java.util.LinkedList;
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import mightypork.gamecore.control.AppAccess;
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import mightypork.gamecore.control.bus.EventBus;
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import mightypork.gamecore.gui.components.BusEnabledPainter;
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import mightypork.gamecore.gui.components.PluggableRenderable;
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import mightypork.gamecore.gui.components.Renderable;
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import mightypork.gamecore.gui.components.SimplePainter;
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import mightypork.utils.math.constraints.rect.RectBound;
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/**
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* Bag for {@link SimplePainter} elements with constraints.<br>
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* Elements are exposed to {@link EventBus}.
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*
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* @author MightyPork
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*/
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public abstract class AbstractLayout extends BusEnabledPainter {
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final LinkedList<PluggableRenderable> elements = new LinkedList<>();
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/**
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* @param app app access
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*/
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public AbstractLayout(AppAccess app) {
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super(app);
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}
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/**
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* @param app app access
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* @param context boudning context
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*/
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public AbstractLayout(AppAccess app, RectBound context) {
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super(app);
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setRect(context);
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}
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/**
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* Add element to the holder, setting it's context.<br>
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* Element must then be attached using the <code>attach</code> method.
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*
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* @param elem element
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*/
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public abstract void add(PluggableRenderable elem);
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/**
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* Connect to bus and add to element list
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*
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* @param elem element; it's context will be set to the constraint.
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*/
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public void attach(PluggableRenderable elem)
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{
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if (elem == null) return;
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elements.add(elem);
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addChildClient(elem);
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}
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@Override
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public void paint()
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{
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for (final Renderable element : elements) {
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element.render();
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}
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}
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}
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