Add dynamic labels

Related to #24.

1 files changed, 76 insertions, 0 deletions

diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WDynamicLabel.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WDynamicLabel.java
new file mode 100644
index 0000000..91d062d
--- /dev/null
+++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WDynamicLabel.java
@@ -0,0 +1,76 @@
+package io.github.cottonmc.cotton.gui.widget;
+
+import io.github.cottonmc.cotton.gui.client.LibGuiClient;
+import io.github.cottonmc.cotton.gui.client.ScreenDrawing;
+import io.github.cottonmc.cotton.gui.widget.data.Alignment;
+
+import java.util.function.Supplier;
+
+/**
+ * Dynamic labels are labels that pull their text from a {@code Supplier<String>}.
+ * They can be used for automatically getting data from a block entity or another data source.
+ *
+ * <p>Translating strings in dynamic labels should be done using
+ * {@link net.minecraft.client.resource.language.I18n#translate(String, Object...)}.
+ */
+public class WDynamicLabel extends WWidget {
+	protected Supplier<String> text;
+	protected Alignment alignment = Alignment.LEFT;
+	protected int color;
+	protected int darkmodeColor;
+
+	public static final int DEFAULT_TEXT_COLOR = 0x404040;
+	public static final int DEFAULT_DARKMODE_TEXT_COLOR = 0xbcbcbc;
+
+	public WDynamicLabel(Supplier<String> text, int color) {
+		this.text = text;
+		this.color = color;
+		this.darkmodeColor = (color==DEFAULT_TEXT_COLOR) ? DEFAULT_DARKMODE_TEXT_COLOR : color;
+	}
+
+	public WDynamicLabel(Supplier<String> text) {
+		this(text, DEFAULT_TEXT_COLOR);
+	}
+
+	@Override
+	public void paintBackground(int x, int y, int mouseX, int mouseY) {
+		String tr = text.get();
+		ScreenDrawing.drawString(tr, alignment, x, y, this.getWidth(), LibGuiClient.config.darkMode ? darkmodeColor : color);
+	}
+
+	@Override
+	public boolean canResize() {
+		return true;
+	}
+	
+	@Override
+	public void setSize(int x, int y) {
+		super.setSize(x, 20);
+	}
+	
+	public WDynamicLabel setDarkmodeColor(int color) {
+		darkmodeColor = color;
+		return this;
+	}
+	
+	public WDynamicLabel disableDarkmode() {
+		this.darkmodeColor = this.color;
+		return this;
+	}
+	
+	public WDynamicLabel setColor(int color, int darkmodeColor) {
+		this.color = color;
+		this.darkmodeColor = darkmodeColor;
+		return this;
+	}
+	
+	public WDynamicLabel setText(Supplier<String> text) {
+		this.text = text;
+		return this;
+	}
+	
+	public WDynamicLabel setAlignment(Alignment align) {
+		this.alignment = align;
+		return this;
+	}
+}