Package org.pentaho.mantle.client

Source Code of org.pentaho.mantle.client.MantleApplication

/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation..  All rights reserved.
*/

package org.pentaho.mantle.client;

import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.http.client.URL;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.AbsolutePanel;
import com.google.gwt.user.client.ui.DeckPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.RootPanel;
import org.pentaho.gwt.widgets.client.dialogs.GlassPane;
import org.pentaho.gwt.widgets.client.dialogs.GlassPaneNativeListener;
import org.pentaho.gwt.widgets.client.dialogs.MessageDialogBox;
import org.pentaho.gwt.widgets.client.filechooser.FileChooserDialog;
import org.pentaho.gwt.widgets.client.utils.string.StringUtils;
import org.pentaho.mantle.client.commands.CommandExec;
import org.pentaho.mantle.client.commands.LoginCommand;
import org.pentaho.mantle.client.dialogs.WaitPopup;
import org.pentaho.mantle.client.events.EventBusUtil;
import org.pentaho.mantle.client.events.MantleSettingsLoadedEvent;
import org.pentaho.mantle.client.events.MantleSettingsLoadedEventHandler;
import org.pentaho.mantle.client.events.PerspectivesLoadedEvent;
import org.pentaho.mantle.client.events.PerspectivesLoadedEventHandler;
import org.pentaho.mantle.client.events.UserSettingsLoadedEvent;
import org.pentaho.mantle.client.events.UserSettingsLoadedEventHandler;
import org.pentaho.mantle.client.messages.Messages;
import org.pentaho.mantle.client.solutionbrowser.PluginOptionsHelper;
import org.pentaho.mantle.client.solutionbrowser.SolutionBrowserPanel;
import org.pentaho.mantle.client.ui.PerspectiveManager;
import org.pentaho.mantle.client.ui.UserDropDown;
import org.pentaho.mantle.client.ui.xul.MantleXul;
import org.pentaho.mantle.client.usersettings.JsSetting;
import org.pentaho.mantle.client.usersettings.MantleSettingsManager;
import org.pentaho.mantle.client.usersettings.UserSettingsManager;

import java.util.HashMap;

/**
* Entry point classes define <code>onModuleLoad()</code>.
*/
public class MantleApplication implements UserSettingsLoadedEventHandler, MantleSettingsLoadedEventHandler {

  public static String mantleRevisionOverride = null;
  public static boolean submitOnEnter = true;

  private static CommandExec commandExec = GWT.create( CommandExec.class );
  private static EventBusUtil eventBusUtil = GWT.create( EventBusUtil.class );

  private DeckPanel contentDeck = new DeckPanel();

  // Floating clear div that when shown intercepts mouse events.
  public static AbsolutePanel overlayPanel = new AbsolutePanel();

  private static MantleApplication instance;

  private MantleApplication() {
  }

  public static MantleApplication getInstance() {
    if ( instance == null ) {
      instance = new MantleApplication();
    }
    return instance;
  }

  public void loadApplication() {
    // registered our native JSNI hooks
    setupNativeHooks( this, new LoginCommand() );
    FileChooserDialog.setupNativeHooks();

    UserSettingsManager.getInstance().getUserSettings( new AsyncCallback<JsArray<JsSetting>>() {
      public void onSuccess( JsArray<JsSetting> settings ) {
        onUserSettingsLoaded( new UserSettingsLoadedEvent( settings ) );
      }

      public void onFailure( Throwable caught ) {
      }
    }, false );
  }

  public native void setupNativeHooks( MantleApplication mantle, LoginCommand loginCmd )
  /*-{
      $wnd.mantle_initialized = true;
      $wnd.mantle_showMessage = function (title, message) {
          //CHECKSTYLE IGNORE LineLength FOR NEXT 1 LINES
          mantle.@org.pentaho.mantle.client.MantleApplication::showMessage(Ljava/lang/String;Ljava/lang/String;)(title, message);
      }

      $wnd.addGlassPaneListener = function (callback) {
          if ($wnd.addDataAccessGlassPaneListener) {
              $wnd.addDataAccessGlassPaneListener(callback);
          }
          //CHECKSTYLE IGNORE LineLength FOR NEXT 1 LINES
          mantle.@org.pentaho.mantle.client.MantleApplication::addGlassPaneListener(Lcom/google/gwt/core/client/JavaScriptObject;)(callback);
      }

      $wnd.executeCommand = function (commandName, parameterMap) {
          //CHECKSTYLE IGNORE LineLength FOR NEXT 1 LINES
          @org.pentaho.mantle.client.MantleApplication::executeCommand(Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(commandName, parameterMap);
      }

      $wnd.authenticate = function (callback) {
          //CHECKSTYLE IGNORE LineLength FOR NEXT 1 LINES
          loginCmd.@org.pentaho.mantle.client.commands.LoginCommand::loginWithCallback(Lcom/google/gwt/core/client/JavaScriptObject;)(callback);
      }

      $wnd.urlCommand = function (url, title, showInDialog, dialogWidth, dialogHeight) {
          //CHECKSTYLE IGNORE LineLength FOR NEXT 1 LINES
          @org.pentaho.mantle.client.commands.UrlCommand::_execute(Ljava/lang/String;Ljava/lang/String;ZII)(url, title, showInDialog, dialogWidth, dialogHeight);
      }

      $wnd.mantle_addHandler = function (type, handler) {
          //CHECKSTYLE IGNORE LineLength FOR NEXT 1 LINES
          @org.pentaho.mantle.client.MantleApplication::addHandler(Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(type, handler);
      }

      $wnd.mantle_fireEvent = function (type, parameterMap) {
          //CHECKSTYLE IGNORE LineLength FOR NEXT 1 LINES
          @org.pentaho.mantle.client.MantleApplication::fireEvent(Ljava/lang/String;Lcom/google/gwt/core/client/JavaScriptObject;)(type, parameterMap);
      }

      // globally available busy indicator
      $wnd.mantle_notifyGlasspaneListeners = function (isShown) {
          //CHECKSTYLE IGNORE LineLength FOR NEXT 1 LINES
          mantle.@org.pentaho.mantle.client.MantleApplication::notifyGlasspaneListeners(Z)(isShown);
      }
  }-*/;

  public static void addHandler( final String type, final JavaScriptObject handler ) {
    eventBusUtil.addHandler( type, handler );
  }

  private static void fireEvent( final String eventType, final JavaScriptObject parametersMap ) {
    eventBusUtil.fireEvent( eventType, parametersMap );
  }

  public static native void showBusyIndicator( String title, String message )
  /*-{
      $wnd.pen.require([
              "common-ui/util/BusyIndicator"
          ],

          function (busy) {
              busy.show(title, message);
          });
  }-*/;

  public static native void hideBusyIndicator()
  /*-{
      $wnd.pen.require([
              "common-ui/util/BusyIndicator"
          ],

          function (busy) {
              busy.hide();
          });
  }-*/;

  public static native void showBusyIndicatorById( String title, String message, String id )
  /*-{
      $wnd.pen.require([
              "common-ui/util/BusyIndicator"
          ],

          function (busy) {
              busy.show(title, message, id);
          });
  }-*/;

  public static native void hideBusyIndicatorById( String id )
  /*-{
      $wnd.pen.require([
              "common-ui/util/BusyIndicator"
          ],

          function (busy) {
              busy.hide(id);
          });
  }-*/;

  public static native void log( String message )
    /*-{
        try {
            window.top.console.log(message);
        } catch (e) {
        }
    }-*/;

  public void notifyGlasspaneListeners( boolean isShown ) {
    if ( isShown ) {
      GlassPane.getInstance().show();
    } else {
      GlassPane.getInstance().hide();
    }
  }

  private static void executeCommand( String commandName, JavaScriptObject parameterMap ) {
    commandExec.execute( commandName, parameterMap );
  }

  private void addGlassPaneListener( JavaScriptObject obj ) {
    GlassPane.getInstance().addGlassPaneListener( new GlassPaneNativeListener( obj ) );
  }

  /**
   * This method is used by things to show a 'mantle' looking alert dialog instead of a standard alert dialog.
   *
   * @param title
   * @param message
   */
  private void showMessage( String title, String message ) {
    MessageDialogBox dialog = new MessageDialogBox( title, message, true, false, true );
    dialog.center();
  }

  public void onUserSettingsLoaded( final UserSettingsLoadedEvent event ) {
    // listen to any reloads of mantle settings
    MantleSettingsManager.getInstance().getMantleSettings( new AsyncCallback<HashMap<String, String>>() {
      public void onSuccess( HashMap<String, String> mantleSettings ) {
        // merge user settings with mantle settings for possible system/tenant/user overrides
        JsArray<JsSetting> userSettings = event.getSettings();
        if ( userSettings != null ) {
          for ( int i = 0; i < userSettings.length(); i++ ) {
            JsSetting setting = userSettings.get( i );
            mantleSettings.put( setting.getName(), setting.getValue() );
          }
        }
        onMantleSettingsLoaded( new MantleSettingsLoadedEvent( mantleSettings ) );
      }

      public void onFailure( Throwable caught ) {
      }
    }, false );
  }

  public void onMantleSettingsLoaded( MantleSettingsLoadedEvent event ) {
    final HashMap<String, String> settings = event.getSettings();

    final boolean showOnlyPerspective =
        Boolean.parseBoolean( StringUtils.isEmpty( Window.Location.getParameter( "showOnlyPerspective" ) ) ? settings.get( "showOnlyPerspective" ) : Window.Location.getParameter( "showOnlyPerspective" ) );
    final String startupPerspective =
        StringUtils.isEmpty( Window.Location.getParameter( "startupPerspective" ) ) ? settings.get( "startupPerspective" ) : Window.Location.getParameter( "startupPerspective" );

    mantleRevisionOverride = settings.get( "user-console-revision" );

    RootPanel.get( "pucMenuBar" ).add( MantleXul.getInstance().getMenubar() );
    RootPanel.get( "pucPerspectives" ).add( PerspectiveManager.getInstance() );
    RootPanel.get( "pucToolBar" ).add( MantleXul.getInstance().getToolbar() );
    RootPanel.get( "pucUserDropDown" ).add( new UserDropDown() );

    if ( showOnlyPerspective && !StringUtils.isEmpty( startupPerspective ) ) {
      RootPanel.get( "pucHeader" ).setVisible( false );
      RootPanel.get( "pucContent" ).getElement().getStyle().setTop( 0, Unit.PX );
    }

    // update supported file types
    PluginOptionsHelper.buildEnabledOptionsList( settings );

    // show stuff we've created/configured
    contentDeck.add( new Label() );
    contentDeck.showWidget( 0 );
    contentDeck.add( SolutionBrowserPanel.getInstance() );
    if ( showOnlyPerspective && !StringUtils.isEmpty( startupPerspective ) ) {
      SolutionBrowserPanel.getInstance().setVisible( false );
    }

    contentDeck.getElement().setId( "applicationShell" );
    contentDeck.setStyleName( "applicationShell" );

    // menubar=no,location=no,resizable=yes,scrollbars=no,status=no,width=1200,height=800
    try {
      RootPanel.get( "pucContent" ).add( contentDeck );
    } catch ( Throwable t ) {
      // onLoad of something is causing problems
    }

    RootPanel.get().add( WaitPopup.getInstance() );

    // Add in the overlay panel
    overlayPanel.setVisible( false );
    overlayPanel.setHeight( "100%" );
    overlayPanel.setWidth( "100%" );
    overlayPanel.getElement().getStyle().setProperty( "zIndex", "1000" );
    overlayPanel.getElement().getStyle().setProperty( "position", "absolute" );
    RootPanel.get().add( overlayPanel, 0, 0 );

    String submitOnEnterSetting = settings.get( "submit-on-enter-key" );
    submitOnEnter = submitOnEnterSetting == null ? submitOnEnter : Boolean.parseBoolean( submitOnEnterSetting );

    try {
      String restUrl = GWT.getHostPageBaseURL() + "api/repo/files/canAdminister"; //$NON-NLS-1$
      RequestBuilder requestBuilder = new RequestBuilder( RequestBuilder.GET, restUrl );
      requestBuilder.setHeader( "If-Modified-Since", "01 Jan 1970 00:00:00 GMT" );
      requestBuilder.sendRequest( null, new RequestCallback() {

        @Override
        public void onError( Request arg0, Throwable arg1 ) {
          MessageDialogBox dialogBox =
              new MessageDialogBox( Messages.getString( "error" ), arg1.getLocalizedMessage(), false, false, true ); //$NON-NLS-1$
          dialogBox.center();
        }

        @Override
        public void onResponseReceived( Request arg0, Response response ) {
          Boolean isAdministrator = Boolean.parseBoolean( response.getText() );
          SolutionBrowserPanel.getInstance().setAdministrator( isAdministrator );

          try {
            String restUrl2 = GWT.getHostPageBaseURL() + "api/scheduler/canSchedule"; //$NON-NLS-1$
            RequestBuilder requestBuilder2 = new RequestBuilder( RequestBuilder.GET, restUrl2 );
            requestBuilder2.setHeader( "If-Modified-Since", "01 Jan 1970 00:00:00 GMT" );
            requestBuilder2.sendRequest( null, new RequestCallback() {
              @Override
              public void onError( Request arg0, Throwable arg1 ) {
                MessageDialogBox dialogBox =
                    new MessageDialogBox( Messages.getString( "error" ), arg1.getLocalizedMessage(), false, false, true ); //$NON-NLS-1$
                dialogBox.center();
              }

              public void onResponseReceived( Request arg0, Response response ) {
                Boolean isScheduler = Boolean.parseBoolean( response.getText() );
                SolutionBrowserPanel.getInstance().setScheduler( isScheduler );

                String numStartupURLsSetting = settings.get( "num-startup-urls" );
                if ( numStartupURLsSetting != null ) {
                  int numStartupURLs = Integer.parseInt( numStartupURLsSetting ); //$NON-NLS-1$
                  for ( int i = 0; i < numStartupURLs; i++ ) {
                    String url = settings.get( "startup-url-" + ( i + 1 ) ); //$NON-NLS-1$
                    String name = settings.get( "startup-name-" + ( i + 1 ) ); //$NON-NLS-1$
                    if ( StringUtils.isEmpty( url ) == false ) { //$NON-NLS-1$
                      url = URL.decodeQueryString( url );
                      name = URL.decodeQueryString( name );
                      SolutionBrowserPanel.getInstance().getContentTabPanel().showNewURLTab( name != null ? name : url,
                          url, url, false );
                    }
                  }
                }
                if ( SolutionBrowserPanel.getInstance().getContentTabPanel().getWidgetCount() > 0 ) {
                  SolutionBrowserPanel.getInstance().getContentTabPanel().selectTab( 0 );
                }

                // startup-url on the URL for the app, wins over settings
                String startupURL = Window.Location.getParameter( "startup-url" ); //$NON-NLS-1$
                if ( startupURL != null && !"".equals( startupURL ) ) { //$NON-NLS-1$
                  // Spaces were double encoded so that they wouldn't be replaced with '+' when creating a deep
                  // link so when following a deep link we need to replace '%20' with a space even after decoding
                  String title = Window.Location.getParameter( "name" ).replaceAll( "%20", " " ); //$NON-NLS-1$
                  SolutionBrowserPanel.getInstance().getContentTabPanel().showNewURLTab( title, title, startupURL,
                      false );
                }
              }
            } );
          } catch ( RequestException e ) {
            MessageDialogBox dialogBox =
                new MessageDialogBox( Messages.getString( "error" ), e.getLocalizedMessage(), false, false, true ); //$NON-NLS-1$
            dialogBox.center();
          }
        }
      } );
    } catch ( RequestException e ) {
      MessageDialogBox dialogBox =
          new MessageDialogBox( Messages.getString( "error" ), e.getLocalizedMessage(), false, false, true ); //$NON-NLS-1$
      dialogBox.center();
    }

    if ( !StringUtils.isEmpty( startupPerspective ) ) {
      if ( PerspectiveManager.getInstance().isLoaded() ) {
        PerspectiveManager.getInstance().setPerspective( startupPerspective );
      } else {
        EventBusUtil.EVENT_BUS.addHandler( PerspectivesLoadedEvent.TYPE, new PerspectivesLoadedEventHandler() {
          public void onPerspectivesLoaded( PerspectivesLoadedEvent event ) {
            PerspectiveManager.getInstance().setPerspective( startupPerspective );
          }
        } );
      }
    }

  }

  public DeckPanel getContentDeck() {
    return contentDeck;
  }

  public void setContentDeck( DeckPanel contentDeck ) {
    this.contentDeck = contentDeck;
  }

  public void pucToolBarVisibility( boolean visible ) {
    RootPanel.get( "pucToolBar" ).setVisible( visible );
  }
}
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