X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2FCmsView.java;h=f8ab3a6821cf09860bdb052e6b118c377d3053ed;hb=94ec9b5a0282c8119ee9831688124bc96f3a62b8;hp=0e7e7268042a64650a9979acb5e03dba53dd5553;hpb=d289fa62f9dadd0a5bd49ab5e3d499e87152525d;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms.ui/src/org/argeo/cms/ui/CmsView.java b/org.argeo.cms.ui/src/org/argeo/cms/ui/CmsView.java
index 0e7e72680..f8ab3a682 100644
--- a/org.argeo.cms.ui/src/org/argeo/cms/ui/CmsView.java
+++ b/org.argeo.cms.ui/src/org/argeo/cms/ui/CmsView.java
@@ -1,10 +1,13 @@
 package org.argeo.cms.ui;
 
+import java.security.PrivilegedAction;
+import java.util.HashMap;
 import java.util.Map;
 
 import javax.security.auth.login.LoginContext;
 
-import org.eclipse.swt.widgets.Composite;
+import org.argeo.cms.auth.CmsSession;
+import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Shell;
 
 /** Provides interaction with the CMS system. */
@@ -34,14 +37,68 @@ public interface CmsView {
 	boolean isAnonymous();
 
 	/**
-	 * Send an event to this topic. Does noothing by default., but if implemented it
+	 * Send an event to this topic. Does nothing by default., but if implemented it
 	 * MUST set the {@link #CMS_VIEW_UID_PROPERTY} in the properties.
 	 */
 	default void sendEvent(String topic, Map<String, Object> properties) {
 
 	}
 
-	static CmsView getCmsView(Composite parent) {
+	/**
+	 * Convenience methods for when {@link #sendEvent(String, Map)} only requires
+	 * one single parameter.
+	 */
+	default void sendEvent(String topic, String param, Object value) {
+		Map<String, Object> properties = new HashMap<>();
+		properties.put(param, value);
+		sendEvent(topic, properties);
+	}
+
+	default void applyStyles(Object widget) {
+
+	}
+
+	default <T> T doAs(PrivilegedAction<T> action) {
+		throw new UnsupportedOperationException();
+	}
+
+	default Void runAs(Runnable runnable) {
+		return doAs(new PrivilegedAction<Void>() {
+
+			@Override
+			public Void run() {
+				if (runnable != null)
+					runnable.run();
+				return null;
+			}
+		});
+	}
+
+	default void stateChanged(String state, String title) {
+	}
+
+	default CmsSession getCmsSession() {
+		throw new UnsupportedOperationException();
+	}
+
+	default Object getData(String key) {
+		throw new UnsupportedOperationException();
+	}
+
+	@SuppressWarnings("unchecked")
+	default <T> T getUiContext(Class<T> clss) {
+		return (T) getData(clss.getName());
+	}
+
+	default <T> void setUiContext(Class<T> clss, T instance) {
+		setData(clss.getName(), instance);
+	}
+
+	default void setData(String key, Object value) {
+		throw new UnsupportedOperationException();
+	}
+
+	static CmsView getCmsView(Control parent) {
 		// find parent shell
 		Shell topShell = parent.getShell();
 		while (topShell.getParent() != null)