litesoft
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.GWT.client.view; import org.litesoft.GWT.client.*; import org.litesoft.GWT.client.widgets.*; import org.litesoft.bo.views.*; import org.litesoft.commonfoundation.base.*; import org.litesoft.commonfoundation.independence.*; import org.litesoft.security.*; import org.litesoft.commonfoundation.independence.*; import org.litesoft.uispecification.*; import com.google.gwt.event.logical.shared.*; import com.google.gwt.user.client.*; import com.google.gwt.user.client.ui.*; /** * Controls which screen is showing. Coordinates w/ the GWT {@link History} * mechanism. */ public class ViewManagerImpl extends AbstractViewManager implements ValueChangeHandler<String>, SecurityIssueable { private final TransientScreenProperties mNextScreenProperties = new TransientScreenProperties(); public ViewManagerImpl( ViewAccessControlManager pAccessControlManager, ViewFactory... pFactories ) { super( pAccessControlManager, pFactories ); } public void initialize() { History.addValueChangeHandler( this ); onValueChangeImpl( History.getToken() ); } @Override public void showDialog( ViewDef pViewDef, Object pParams ) { Confirm.isNotNull( "(Dialog) ViewDef", pViewDef ); ViewFactory zFactory = getViewFactory( pViewDef ); if ( zFactory instanceof DialogViewFactory ) { new DialogViewDialog( ((DialogViewFactory) zFactory).createDialog( pParams ) ).show(); } else { AlertManager.alert( "ViewManager", "No Dialog Factory", "No Dialog for: " + pViewDef ); } } @Override public void showScreen( ViewDef pViewDef, UriFragmentIdParams pParams, TransientScreenProperties pNextScreenProperties ) { UtilsGwt.busyCursor(); Confirm.isNotNull( "(Screen) ViewDef", pViewDef ); mNextScreenProperties.putAll( pNextScreenProperties ); ParameterizedUriFragmentId zFragmentId = new ParameterizedUriFragmentId( pViewDef.getFragmentID(), // UriFragmentIdParams.toParamsString( pParams ) ); History.newItem( zFragmentId.toNewUriFragmentId( History.getToken() ), true ); // will "eventually" cause an AttachScreenCommand to be issued } void showScreen( String pHistoryToken, TransientScreenProperties pNextScreenProperties ) { mNextScreenProperties.putAll( pNextScreenProperties ); onValueChangeImpl( pHistoryToken ); } void onValueChangeImpl( final String pHistoryToken ) // Everything that follows the '#' in the url. { String zUriFragmentId = ParameterizedUriFragmentId.removePrefix( pHistoryToken ); ParameterizedUriFragmentId zFragmentId; try { zFragmentId = new ParameterizedUriFragmentId( zUriFragmentId ); } catch ( IllegalArgumentException e ) { LOGGER.warn.log( e, zUriFragmentId ); zFragmentId = ParameterizedUriFragmentId.DEFAULT; } if ( mAccessControlManager.loginRequired() ) { LoginServerStateChecker zChecker = Instance.ofOptional( LoginServerStateChecker.class ); if ( zChecker == null ) { requestUserLogin( pHistoryToken, null ); } else { zChecker.checkServerLogin( new SimpleDataProviderCallBack() { @Override public void error( String pError ) { if ( mAccessControlManager.loginRequired() ) { requestUserLogin( pHistoryToken, pError ); } else { new LoginSuccessCommand( pHistoryToken, mNextScreenProperties ).execute(); } } } ); } return; } LoginPasswordResetAccessor zAccessor = Instance.of( LoginPasswordResetAccessor.class ); if ( zAccessor.isPasswordResetRequired() ) { LoginPasswordResetDialogViewFactory zFactory = Instance.of( LoginPasswordResetDialogViewFactory.class ); if ( zFactory != null ) { DialogView zView = zFactory.createDialog( new LoginSuccessCommand( pHistoryToken, mNextScreenProperties, "Password updated" ) ); Instance.of( SingleWidgetPanel.class ).setWidget( new SizeableSpacer().stretchable() ); new DialogViewDialog( zView ).show(); return; } } String viewDefId = zFragmentId.getFragmentReference(); String viewParams = zFragmentId.getParameters(); ViewDef zViewDef = getViewDef( viewDefId ); UriFragmentIdParams zParams = UriFragmentIdParams.fromParamsString( viewParams ); if ( zViewDef == null ) { zViewDef = ViewDef.HOME; zParams = null; if ( Currently.isNotNullOrEmpty( viewDefId ) ) { mNextScreenProperties.ERROR.set( "No Screen for: " + viewDefId ); } } ViewFactory zFactory = getViewFactory( zViewDef ); if ( !(zFactory instanceof ScreenViewFactory) ) { zParams = null; mNextScreenProperties.ERROR.set( "No Screen for: " + viewDefId ); zFactory = getViewFactory( zViewDef = ViewDef.HOME ); } if ( zFactory == null ) { throw new IllegalStateException( "No Screen for: " + zViewDef ); } StatusMessageSinc zMessageSinc = Instance.ofOptional( StatusMessageSinc.class ); if ( zMessageSinc != null ) { zMessageSinc.setErrorMessage( mNextScreenProperties.ERROR.get() ); if ( Currently.isNullOrEmpty( mNextScreenProperties.ERROR.get() ) ) { zMessageSinc.setWarningMessage( mNextScreenProperties.WARNING.get() ); } } mNextScreenProperties.clear(); ScreenView zView = ((ScreenViewFactory) zFactory).createScreen( zParams ); Widget zViewWidget = zView.augmentView( zView.getTopBar(), null ); Instance.of( SingleWidgetPanel.class ).setWidget( zViewWidget ); // This line MUST BE last! } @Override public void handleSecurityIssue( String pError ) { requestUserLogin( ViewDef.HOME.getFragmentID(), pError ); } private void requestUserLogin( String pHistoryToken, String pError ) { LoginDialogViewFactory zFactory = Instance.of( LoginDialogViewFactory.class ); DialogView zView = zFactory.createDialog( false, new LoginSuccessCommand( pHistoryToken, mNextScreenProperties ) ); zView.setDialogErrorMessage( pError ); Instance.of( SingleWidgetPanel.class ).setWidget( new SizeableSpacer().stretchable() ); new DialogViewDialog( zView ).show(); } @Override public void onValueChange( ValueChangeEvent<String> pEvent ) { onValueChangeImpl( pEvent.getValue() ); } private class LoginSuccessCommand implements Command { private final String mHistoryToken; private final TransientScreenProperties mNextScreenProperties; public LoginSuccessCommand( String pHistoryToken, TransientScreenProperties pNextScreenProperties ) { this( pHistoryToken, pNextScreenProperties, null ); } private LoginSuccessCommand( String pHistoryToken, TransientScreenProperties pNextScreenProperties, String pWarning ) { mHistoryToken = pHistoryToken; mNextScreenProperties = pNextScreenProperties.copy(); if ( pWarning != null ) { mNextScreenProperties.WARNING.set( pWarning ); } } @Override public void execute() { showScreen( mHistoryToken, mNextScreenProperties ); } } } |
Commits for litesoft/trunk/Java/GWT/Client/src/org/litesoft/GWT/client/view/ViewManagerImpl.java
Revision | Author | Commited | Message |
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955 Diff | GeorgeS | Sun 22 Jun, 2014 18:11:25 +0000 | Add Instance... |
950 Diff | GeorgeS | Thu 19 Jun, 2014 17:57:04 +0000 | New Lines |
948 Diff | GeorgeS | Sat 07 Jun, 2014 23:42:39 +0000 | Jusefuls Formatter Updated to New Code Format |
947 Diff | GeorgeS | Fri 06 Jun, 2014 23:36:56 +0000 | Correct Spelling of package! |
939 Diff | GeorgeS | Mon 02 Jun, 2014 21:30:31 +0000 | Extracting commonfoundation |
804 Diff | GeorgeS | Wed 15 Aug, 2012 12:48:51 +0000 | |
802 Diff | GeorgeS | Wed 15 Aug, 2012 04:04:47 +0000 | |
151 Diff | GeorgeS | Thu 17 Mar, 2011 04:16:22 +0000 | |
49 Diff | GeorgeS | Mon 12 Apr, 2010 02:59:10 +0000 | License Text |
23 | GeorgeS | Wed 24 Feb, 2010 00:34:32 +0000 |