52 lines
1.6 KiB
Java
52 lines
1.6 KiB
Java
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package com.aiclient.service;
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import javafx.scene.Scene;
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import java.util.Objects;
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public class ThemeService {
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private static final String LIGHT_THEME = "/css/light-theme.css";
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private static final String DARK_THEME = "/css/dark-theme.css";
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private static final String BASE_STYLE = "/css/style.css";
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private Scene scene;
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public boolean isDarkTheme = false;
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public void setScene(Scene scene) {
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if (scene == null) return;
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this.scene = scene;
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applyBaseStyle();
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applyTheme(isDarkTheme);
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}
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private void applyBaseStyle() {
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if (scene == null) return;
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String baseStyle = Objects.requireNonNull(getClass().getResource(BASE_STYLE)).toExternalForm();
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if (!scene.getStylesheets().contains(baseStyle)) {
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scene.getStylesheets().add(baseStyle);
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}
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}
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public void toggleTheme() {
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if (scene == null) return;
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isDarkTheme = !isDarkTheme;
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applyTheme(isDarkTheme);
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}
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private void applyTheme(boolean dark) {
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if (scene == null) return;
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// 移除现有主题
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scene.getStylesheets().removeIf(style ->
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style.endsWith("light-theme.css") || style.endsWith("dark-theme.css")
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);
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// 应用新主题
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String theme = dark ? DARK_THEME : LIGHT_THEME;
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String themeStyle = Objects.requireNonNull(getClass().getResource(theme)).toExternalForm();
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scene.getStylesheets().add(themeStyle);
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}
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public boolean isDarkTheme() {
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return isDarkTheme;
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}
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}
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