Add programmatic access to configure cucumber activities

Author: Christoph Läubrich

io.cucumber.eclipse.editor/src/io/cucumber/eclipse/editor/CucumberActivitySupport.java

@@ -0,0 +1,114 @@
+package io.cucumber.eclipse.editor;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.activities.IWorkbenchActivitySupport;
+
+/**
+ * Utility class for managing Eclipse activity enablement for Cucumber plugin features.
+ * <p>
+ * This class controls the visibility of various Cucumber-related UI elements through
+ * Eclipse's activity framework. Activities can be enabled or disabled to show/hide
+ * console output, launch configurations, property pages, and preference pages.
+ * </p>
+ */
+public class CucumberActivitySupport {
+
+	/** Activity ID for Cucumber console output */
+	private static final String CONSOLE = "io.cucumber.eclipse.editor.console";
+	
+	/** Activity ID for Cucumber launch configurations */
+	private static final String LAUNCH = "io.cucumber.eclipse.editor.launch";
+	
+	/** Activity ID for Cucumber property pages */
+	private static final String PROPERTIES = "io.cucumber.eclipse.editor.properties";
+	
+	/** Activity ID for Cucumber preference pages */
+	private static final String PREFERENCES = "io.cucumber.eclipse.editor.preferences";
+
+	/**
+	 * Enables or disables a specific Eclipse activity.
+	 * 
+	 * @param activityId the ID of the activity to enable or disable
+	 * @param enabled {@code true} to enable the activity, {@code false} to disable it
+	 */
+	private static void setActivityEnabled(String activityId, boolean enabled) {
+		IWorkbenchActivitySupport activitySupport = PlatformUI.getWorkbench().getActivitySupport();
+		Set<String> enabledActivities = new HashSet<>(activitySupport.getActivityManager().getEnabledActivityIds());
+
+		if (enabled) {
+			enabledActivities.add(activityId);
+		} else {
+			enabledActivities.remove(activityId);
+		}
+		activitySupport.setEnabledActivityIds(enabledActivities);
+	}
+
+	/**
+	 * Disables all Cucumber-related activities.
+	 * <p>
+	 * This method disables preferences, properties, launch configurations, and console
+	 * output activities. It is typically called when no Cucumber support is needed.
+	 * </p>
+	 */
+	public static void disableAllCucumberActivities() {
+		enablePreferences(false);
+		enableProperties(false);
+		enableLaunch(false);
+		enableConsole(false);
+	}
+
+	/**
+	 * Enables or disables the Cucumber console activity.
+	 * <p>
+	 * When enabled, Cucumber console output will be visible in the Eclipse console view.
+	 * </p>
+	 * 
+	 * @param enabled {@code true} to enable console output, {@code false} to disable it
+	 */
+	public static void enableConsole(boolean enabled) {
+		setActivityEnabled(CONSOLE, enabled);
+	}
+
+	/**
+	 * Enables or disables the Cucumber launch configuration activity.
+	 * <p>
+	 * When enabled, Cucumber launch configurations will be available in the Eclipse
+	 * launch configuration dialog and shortcuts.
+	 * </p>
+	 * 
+	 * @param enabled {@code true} to enable launch configurations, {@code false} to disable them
+	 */
+	public static void enableLaunch(boolean enabled) {
+		setActivityEnabled(LAUNCH, enabled);
+	}
+
+	/**
+	 * Enables or disables the Cucumber property pages activity.
+	 * <p>
+	 * When enabled, Cucumber-related property pages will be visible in the project
+	 * and resource properties dialogs.
+	 * </p>
+	 * 
+	 * @param enabled {@code true} to enable property pages, {@code false} to disable them
+	 */
+	public static void enableProperties(boolean enabled) {
+		setActivityEnabled(PROPERTIES, enabled);
+	}
+
+	/**
+	 * Enables or disables the Cucumber preference pages activity.
+	 * <p>
+	 * When enabled, Cucumber-related preference pages will be visible in the Eclipse
+	 * preferences dialog.
+	 * </p>
+	 * 
+	 * @param enabled {@code true} to enable preference pages, {@code false} to disable them
+	 */
+	public static void enablePreferences(boolean enabled) {
+		setActivityEnabled(PREFERENCES, enabled);
+	}
+
+}