Render group templates with new styles

- Can now render ST group with hardcoded main template name - Add additional style tags - Add sample to list various styles
2022-02-02 09:27:24 +00:00
parent 9ec5ffa9e0
commit 7e2a44f1ce
6 changed files with 241 additions and 7 deletions
--- a/spring-shell-samples/src/main/java/org/springframework/shell/samples/standard/StyleCommands.java
+++ b/spring-shell-samples/src/main/java/org/springframework/shell/samples/standard/StyleCommands.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.shell.samples.standard;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.jline.utils.AttributedString;
+import org.jline.utils.AttributedStringBuilder;
+import org.jline.utils.AttributedStyle;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.shell.standard.ShellComponent;
+import org.springframework.shell.standard.ShellMethod;
+import org.springframework.shell.style.ThemeResolver;
+import org.springframework.shell.style.ThemeSettings;
+
+@ShellComponent
+public class StyleCommands {
+
+	List<String> colorGround = Arrays.asList("fg", "bg");
+	List<String> colors = Arrays.asList("black", "red", "green", "yellow", "blue", "magenta", "cyan", "white");
+	List<String> named = Arrays.asList("default", "bold", "faint", "italic", "underline", "blink", "inverse",
+			"inverseneg", "conceal", "crossedout", "hidden");
+	List<String> rgbRedHue = Arrays.asList("#ff0000", "#ff4000", "#ff8000", "#ffbf00", "#ffff00", "#bfff00", "#80ff00",
+			"#40ff00", "#00ff00", "#00ff40", "#00ff80", "#00ffbf", "#00ffff", "#00bfff", "#0080ff", "#0040ff",
+			"#0000ff", "#4000ff", "#8000ff", "#bf00ff", "#ff00ff", "#ff00bf", "#ff0080", "#ff0040", "#ff0000");
+	List<String> themeTags = Arrays.asList(ThemeSettings.TAG_TITLE, ThemeSettings.TAG_VALUE, ThemeSettings.TAG_LIST_KEY,
+			ThemeSettings.TAG_LIST_VALUE, ThemeSettings.TAG_LEVEL_INFO, ThemeSettings.TAG_LEVEL_WARN,
+			ThemeSettings.TAG_LEVEL_ERROR, ThemeSettings.TAG_ITEM_ENABLED, ThemeSettings.TAG_ITEM_DISABLED,
+			ThemeSettings.TAG_ITEM_SELECTED, ThemeSettings.TAG_ITEM_UNSELECTED, ThemeSettings.TAG_ITEM_SELECTOR);
+
+	@Autowired
+	private ThemeResolver themeResolver;
+
+	@ShellMethod(key = "style values", value = "Showcase colors and styles", group = "Styles")
+	public AttributedString stylesValues() {
+		AttributedStringBuilder builder = new AttributedStringBuilder();
+		combinations1().stream()
+				.forEach(spec -> {
+					AttributedStyle style = themeResolver.resolveStyle(spec);
+					AttributedString styledStr = new AttributedString(spec, style);
+					builder.append(String.format("%-25s", spec));
+					builder.append(" ");
+					builder.append(styledStr);
+					builder.append("\n");
+				});
+		return builder.toAttributedString();
+	}
+
+	@ShellMethod(key = "style rgb", value = "Showcase colors and styles", group = "Styles")
+	public AttributedString stylesRgb() {
+		AttributedStringBuilder builder = new AttributedStringBuilder();
+		combinations2().stream()
+				.forEach(spec -> {
+					AttributedStyle style = themeResolver.resolveStyle(spec);
+					AttributedString styledStr = new AttributedString(spec, style);
+					builder.append(String.format("%-25s", spec));
+					builder.append(" ");
+					builder.append(styledStr);
+					builder.append("\n");
+				});
+		return builder.toAttributedString();
+	}
+
+	@ShellMethod(key = "style theme", value = "Showcase colors and styles", group = "Styles")
+	public AttributedString stylesTheme() {
+		AttributedStringBuilder builder = new AttributedStringBuilder();
+		themeTags.stream()
+				.forEach(tag -> {
+					String resolvedStyle = themeResolver.resolveTag(tag);
+					AttributedStyle style = themeResolver.resolveStyle(resolvedStyle);
+					AttributedString styledStr = new AttributedString(tag, style);
+					builder.append(String.format("%-25s", tag));
+					builder.append(" ");
+					builder.append(styledStr);
+					builder.append("\n");
+				});;
+		return builder.toAttributedString();
+	}
+
+	private List<String> combinations1() {
+		List<String> styles = new ArrayList<>();
+		colorGround.stream().forEach(ground -> {
+			colors.stream().forEach(color -> {
+				named.stream().forEach(named -> {
+					styles.add(String.format("%s,%s:%s", named, ground, color));
+				});
+			});
+		});
+		return styles;
+	}
+
+	private List<String> combinations2() {
+		List<String> styles = new ArrayList<>();
+		rgbRedHue.stream().forEach(rgb -> {
+			styles.add(String.format("inverse,fg-rgb:%s", rgb));
+		});
+		return styles;
+	}
+}