90 lines
2.5 KiB
Java
90 lines
2.5 KiB
Java
package it.cavallium.warppi.gui.expression.blocks;
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import it.cavallium.warppi.gui.expression.Caret;
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import it.cavallium.warppi.gui.graphicengine.GraphicEngine;
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import it.cavallium.warppi.gui.graphicengine.Renderer;
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import it.cavallium.warppi.math.Function;
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import it.cavallium.warppi.math.MathContext;
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import it.cavallium.warppi.math.parser.features.FeaturePowerChar;
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import it.cavallium.warppi.math.parser.features.interfaces.Feature;
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import it.cavallium.warppi.util.Error;
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public class BlockPower2 extends Block {
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private final BlockContainer containerExponent;
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public BlockPower2() {
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containerExponent = new BlockContainer(this, true);
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containerExponent.addBlock(0, new BlockNumericChar('2'));
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recomputeDimensions();
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}
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@Override
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public int getCaretDeltaPositionAfterCreation() {
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return 3;
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}
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@Override
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public void draw(final GraphicEngine ge, final Renderer r, final int x, final int y, final Caret caret) {
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BlockContainer.getDefaultFont(true).use(ge);
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r.glColor(BlockContainer.getDefaultColor());
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containerExponent.draw(ge, r, x, y, caret);
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}
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@Override
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public boolean putBlock(final Caret caret, final Block newBlock) {
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boolean added = false;
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added = added | containerExponent.putBlock(caret, newBlock);
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if (added) {
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recomputeDimensions();
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}
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return added;
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}
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@Override
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public boolean delBlock(final Caret caret) {
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boolean removed = false;
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removed = removed | containerExponent.delBlock(caret);
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if (removed) {
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recomputeDimensions();
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}
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return removed;
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}
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@Override
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public BlockReference<?> getBlock(final Caret caret) {
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return containerExponent.getBlock(caret);
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}
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@Override
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public void recomputeDimensions() {
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final int w2 = containerExponent.getWidth();
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final int h2 = containerExponent.getHeight();
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width = w2 + 1;
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height = h2 + BlockContainer.getDefaultCharHeight(small) - 3;
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line = h2 + BlockContainer.getDefaultCharHeight(small) / 2 - 3;
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}
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@Override
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public void setSmall(final boolean small) {
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this.small = small;
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containerExponent.setSmall(true);
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recomputeDimensions();
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}
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public BlockContainer getExponentContainer() {
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return containerExponent;
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}
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@Override
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public int computeCaretMaxBound() {
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return containerExponent.computeCaretMaxBound();
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}
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@Override
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public Feature toFeature(final MathContext context) throws Error {
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final Function exp = getExponentContainer().toFunction(context);
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return new FeaturePowerChar(exp);
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}
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}
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