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Theme support for stereotype icons #1691

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Merged
merged 2 commits into from
Oct 24, 2025
Merged

Theme support for stereotype icons #1691

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9845953
Theme support for stereotype icons
BoykoAlex Oct 23, 2025
f84d122
Cleanup
BoykoAlex Oct 24, 2025
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47 changes: 44 additions & 3 deletions ...ork.tooling.boot.ls/src/org/springframework/tooling/boot/ls/BootLanguageServerPlugin.java
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Original file line number Diff line number Diff line change
Expand Up @@ -11,18 +11,28 @@
package org.springframework.tooling.boot.ls;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jdt.internal.ui.JavaPluginImages;
import org.eclipse.jface.bindings.Binding;
import org.eclipse.jface.preference.JFacePreferences;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.keys.IBindingService;
import org.eclipse.ui.plugin.AbstractUIPlugin;
Expand Down Expand Up @@ -121,7 +131,6 @@ public void run() {
}
}

@SuppressWarnings("restriction")
@Override
protected void initializeImageRegistry(ImageRegistry reg) {
super.initializeImageRegistry(reg);
Expand All @@ -135,9 +144,41 @@ protected void initializeImageRegistry(ImageRegistry reg) {
if (p.getFileExtension().equals("svg")) {
String fileName = p.lastSegment();
String name = fileName.substring(0, fileName.length() - 4);
reg.put(STEREOTYPE_IMG_PREFIX + name, JavaPluginImages.createImageDescriptor(getBundle(), p, false));

try {
URI uri = new URI("platform", null, "/plugin/" + PLUGIN_ID + "/" + p, null);
reg.put(STEREOTYPE_IMG_PREFIX + name, createStereotypeImageDescriptor(uri.toURL(), p));
} catch (URISyntaxException | MalformedURLException e) {
getLog().log(Status.error("Failed to create image descriptor for " + p, e));
}
}
}
}

private ImageDescriptor createStereotypeImageDescriptor(URL url, IPath p) {
RGB rgb = PlatformUI.getWorkbench().getThemeManager().getCurrentTheme().getColorRegistry()
.getRGB(JFacePreferences.INFORMATION_FOREGROUND_COLOR);
if (rgb != null) {
final String fileName = p.lastSegment();
try {
String rgbStr = "%02x-%02x-%02x".formatted(rgb.red, rgb.green, rgb.blue);
java.nio.file.Path tempDir = Paths.get(System.getProperty("java.io.tmpdir"), PLUGIN_ID, rgbStr);
if (!Files.exists(tempDir)) {
Files.createDirectories(tempDir);
}
java.nio.file.Path tempSvgPath = tempDir.resolve(fileName);
if (!Files.exists(tempSvgPath)) {
String svg = new String(url.openStream().readAllBytes(), StandardCharsets.UTF_8)
.replace("currentColor", "rgb(%d,%d,%d)".formatted(rgb.red, rgb.green, rgb.blue));
Files.createFile(tempSvgPath);
Files.write(tempSvgPath, svg.getBytes(StandardCharsets.UTF_8));
}
return ImageDescriptor.createFromURL(tempSvgPath.toUri().toURL());
} catch (IOException e) {
getLog().error("Failed to create theme compatible SVG icon " + p, e);
}
}
return ImageDescriptor.createFromURL(url);
}

public BootLsState getLsState() {
Expand Down