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110 lines
2.0 KiB
110 lines
2.0 KiB
package mightypork.gamecore.gui.components;
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import mightypork.gamecore.control.events.gui.LayoutChangeEvent;
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import mightypork.gamecore.control.events.gui.LayoutChangeListener;
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import mightypork.gamecore.input.InputSystem;
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import mightypork.gamecore.render.Renderable;
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import mightypork.util.annotations.DefaultImpl;
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import mightypork.util.math.constraints.rect.Rect;
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import mightypork.util.math.constraints.rect.caching.AbstractRectCache;
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import mightypork.util.math.constraints.rect.proxy.RectBound;
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import mightypork.util.math.constraints.rect.proxy.RectBoundAdapter;
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/**
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* {@link Renderable} with pluggable context. When caching is enabled, the
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* layout update can be triggered by firing the {@link LayoutChangeEvent}.
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*
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* @author MightyPork
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*/
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public abstract class VisualComponent extends AbstractRectCache implements Component, LayoutChangeListener {
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private Rect source;
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private boolean visible = true;
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public VisualComponent()
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{
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super();
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enableCaching(false);
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}
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@Override
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public final Rect getRect()
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{
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return super.getRect();
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}
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@Override
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public final void setRect(RectBound rect)
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{
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this.source = new RectBoundAdapter(rect);
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}
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@Override
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public final boolean isVisible()
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{
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return visible;
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}
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@Override
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public final void setVisible(boolean visible)
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{
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this.visible = visible;
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}
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@Override
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public final Rect getCacheSource()
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{
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return source;
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}
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@Override
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public final void render()
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{
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if (!visible) return;
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renderComponent();
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}
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@Override
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public final void onLayoutChanged()
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{
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if (source == null) throw new NullPointerException("Component is missing a bounding rect.");
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poll();
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}
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@Override
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public final void onConstraintChanged()
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{
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updateLayout();
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}
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protected boolean isMouseOver()
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{
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return InputSystem.getMousePos().isInside(this);
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}
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/**
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* Draw the component (it's visible)
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*/
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protected abstract void renderComponent();
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@Override
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@DefaultImpl
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public void updateLayout()
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{
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}
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}
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