X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=swt%2Frcp%2Forg.argeo.cms.e4.rcp%2Fsrc%2Forg%2Fargeo%2Fcms%2Fe4%2Frcp%2FCmsE4Application.java;fp=swt%2Frcp%2Forg.argeo.cms.e4.rcp%2Fsrc%2Forg%2Fargeo%2Fcms%2Fe4%2Frcp%2FCmsE4Application.java;h=b37a76587c1a82f0e5292ec6e650b0c33b5fd432;hb=7b242851c0094d13cbaca5b68261ad92c873a59f;hp=0000000000000000000000000000000000000000;hpb=dbb84b4ec2d313ec0724d035c32f482ac57974c5;p=lgpl%2Fargeo-commons.git

diff --git a/swt/rcp/org.argeo.cms.e4.rcp/src/org/argeo/cms/e4/rcp/CmsE4Application.java b/swt/rcp/org.argeo.cms.e4.rcp/src/org/argeo/cms/e4/rcp/CmsE4Application.java
new file mode 100644
index 000000000..b37a76587
--- /dev/null
+++ b/swt/rcp/org.argeo.cms.e4.rcp/src/org/argeo/cms/e4/rcp/CmsE4Application.java
@@ -0,0 +1,207 @@
+package org.argeo.cms.e4.rcp;
+
+import java.security.PrivilegedExceptionAction;
+import java.util.UUID;
+
+import javax.security.auth.Subject;
+import javax.security.auth.login.LoginContext;
+import javax.security.auth.login.LoginException;
+
+import org.argeo.api.cms.CmsAuth;
+import org.argeo.api.cms.ux.CmsImageManager;
+import org.argeo.api.cms.ux.CmsView;
+import org.argeo.api.cms.ux.UxContext;
+import org.argeo.cms.auth.CurrentUser;
+import org.argeo.cms.swt.CmsException;
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.argeo.cms.swt.SimpleSwtUxContext;
+import org.argeo.cms.swt.auth.CmsLoginShell;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExtension;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.equinox.app.IApplication;
+import org.eclipse.equinox.app.IApplicationContext;
+import org.eclipse.swt.widgets.Display;
+
+public class CmsE4Application implements IApplication, CmsView {
+	private LoginContext loginContext;
+	private IApplication e4Application;
+	private UxContext uxContext;
+	private String uid;
+
+	@Override
+	public Object start(IApplicationContext context) throws Exception {
+		// TODO wait for CMS to be ready
+		Thread.sleep(5000);
+
+		uid = UUID.randomUUID().toString();
+		Subject subject = new Subject();
+		Display display = createDisplay();
+		CmsLoginShell loginShell = new CmsLoginShell(this, null);
+		// TODO customize CmsLoginShell to be smaller and centered
+		loginShell.setSubject(subject);
+		try {
+			// try pre-auth
+			loginContext = new LoginContext(CmsAuth.LOGIN_CONTEXT_SINGLE_USER, subject, loginShell);
+			loginContext.login();
+		} catch (LoginException e) {
+			e.printStackTrace();
+			loginShell.createUi();
+			loginShell.open();
+
+			while (!loginShell.getShell().isDisposed()) {
+				if (!display.readAndDispatch())
+					display.sleep();
+			}
+		}
+		if (CurrentUser.getUsername(getSubject()) == null)
+			throw new IllegalStateException("Cannot log in");
+
+		// try {
+		// CallbackHandler callbackHandler = new DefaultLoginDialog(
+		// display.getActiveShell());
+		// loginContext = new LoginContext(
+		// NodeConstants.LOGIN_CONTEXT_SINGLE_USER, subject,
+		// callbackHandler);
+		// } catch (LoginException e1) {
+		// throw new CmsException("Cannot initialize login context", e1);
+		// }
+		//
+		// // login
+		// try {
+		// loginContext.login();
+		// subject = loginContext.getSubject();
+		// } catch (LoginException e) {
+		// e.printStackTrace();
+		// display.dispose();
+		// try {
+		// Thread.sleep(2000);
+		// } catch (InterruptedException e1) {
+		// // silent
+		// }
+		// return null;
+		// }
+
+		uxContext = new SimpleSwtUxContext();
+		// UiContext.setData(CmsView.KEY, this);
+		CmsSwtUtils.registerCmsView(loginShell.getShell(), this);
+		e4Application = getApplication(null);
+		Object res = Subject.doAs(subject, new PrivilegedExceptionAction<Object>() {
+
+			@Override
+			public Object run() throws Exception {
+				return e4Application.start(context);
+			}
+
+		});
+		return res;
+	}
+
+	@Override
+	public void stop() {
+		if (e4Application != null)
+			e4Application.stop();
+	}
+
+	static IApplication getApplication(String[] args) {
+		IExtension extension = Platform.getExtensionRegistry().getExtension(Platform.PI_RUNTIME,
+				Platform.PT_APPLICATIONS, "org.eclipse.e4.ui.workbench.swt.E4Application");
+		try {
+			IConfigurationElement[] elements = extension.getConfigurationElements();
+			if (elements.length > 0) {
+				IConfigurationElement[] runs = elements[0].getChildren("run");
+				if (runs.length > 0) {
+					Object runnable;
+					runnable = runs[0].createExecutableExtension("class");
+					if (runnable instanceof IApplication)
+						return (IApplication) runnable;
+				}
+			}
+		} catch (Exception e) {
+			throw new IllegalStateException("Cannot find e4 application", e);
+		}
+		throw new IllegalStateException("Cannot find e4 application");
+	}
+
+	public static Display createDisplay() {
+		Display.setAppName("Argeo CMS RCP");
+
+		// create the display
+		Display newDisplay = Display.getCurrent();
+		if (newDisplay == null) {
+			newDisplay = new Display();
+		}
+		// Set the priority higher than normal so as to be higher
+		// than the JobManager.
+		Thread.currentThread().setPriority(Math.min(Thread.MAX_PRIORITY, Thread.NORM_PRIORITY + 1));
+		return newDisplay;
+	}
+
+	//
+	// CMS VIEW
+	//
+
+	@Override
+	public UxContext getUxContext() {
+		return uxContext;
+	}
+
+	@Override
+	public void navigateTo(String state) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void authChange(LoginContext loginContext) {
+		if (loginContext == null)
+			throw new CmsException("Login context cannot be null");
+		// logout previous login context
+		// if (this.loginContext != null)
+		// try {
+		// this.loginContext.logout();
+		// } catch (LoginException e1) {
+		// System.err.println("Could not log out: " + e1);
+		// }
+		this.loginContext = loginContext;
+	}
+
+	@Override
+	public void logout() {
+		if (loginContext == null)
+			throw new CmsException("Login context should not bet null");
+		try {
+			CurrentUser.logoutCmsSession(loginContext.getSubject());
+			loginContext.logout();
+		} catch (LoginException e) {
+			throw new CmsException("Cannot log out", e);
+		}
+	}
+
+	@Override
+	public void exception(Throwable e) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public CmsImageManager getImageManager() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	protected Subject getSubject() {
+		return loginContext.getSubject();
+	}
+
+	@Override
+	public boolean isAnonymous() {
+		return CurrentUser.isAnonymous(getSubject());
+	}
+
+	@Override
+	public String getUid() {
+		return uid;
+	}
+
+}