Examples of com.google.gwt.user.client.Command

com.google.gwt.user.client.Command
Encapsulates an action for later execution, often from a different context.
The Command interface provides a layer of separation between the code specifying some behavior and the code invoking that behavior. This separation aids in creating reusable code. For example, a {@link com.google.gwt.user.client.ui.MenuItem} can have a Commandassociated with it that it executes when the menu item is chosen by the user. Importantly, the code that constructed the Command to be executed when the menu item is invoked knows nothing about the internals of the MenuItem class and vice-versa.

The Command interface is often implemented with an anonymous inner class. For example,
```
 Command sayHello = new Command() { public void execute() { Window.alert("Hello"); } }; sayHello.execute(); 
```

      final ScriptElement se = Document.get().createScriptElement();
//      se.setSrc(intrinsics.getCachedUrl("http://www.google.com/jsapi?callback=" + JSAPI_CALLBACK));
      se.setSrc("http://www.google.com/jsapi?callback=" + JSAPI_CALLBACK);
      
      final HeadElement he = HeadElement.as(Document.get().getElementsByTagName("head").getItem(0));
      exportHandler(new Command() {


        public void execute() {
          injectedLoader=true;
          he.removeChild(se);
          nativeLoad(libName, version, callback);

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//    PortalControl.getInstance().notifyActivity(true);


    pePopup.center();
    pePopup.show();
    
      DeferredCommand.addCommand(new Command() {
        public void execute() {
          _refreshListAllOntologies(pePopup);
        }
      });
  }

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        if ( mapperPage != null ) {
          mapperPage.notifyWorkingOntologyAdded(ontologyInfo);
        }
        
        // continue with next entry:
        DeferredCommand.addCommand(new Command() {
          public void execute() {
            _loadDataOfWorkingOntologiesForMapping(pePopup, currentIdx + 1);
          }
        });

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  }
    
  void authorSelected(final String userStr, final boolean byUserName) {
    ontologyTable.showProgress();
    
    DeferredCommand.addCommand(new Command() {
      public void execute() {
        selectedOntologyInfos.clear();
        for ( RegisteredOntologyInfo oi : ontologyInfos ) {
          if ( byUserName && userStr.equals(oi.getUsername()) ) {
            selectedOntologyInfos.add(oi);

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  }


  void authoritySelected(final String auth) {
    ontologyTable.showProgress();
    
    DeferredCommand.addCommand(new Command() {
      public void execute() {
        selectedOntologyInfos.clear();
        for ( RegisteredOntologyInfo oi : ontologyInfos ) {
          if ( auth.equalsIgnoreCase(oi.getAuthority()) ) {
            selectedOntologyInfos.add(oi);

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    });
  }


  void typeSelected(final String type) {
    ontologyTable.showProgress();
    DeferredCommand.addCommand(new Command() {
      public void execute() {
        selectedOntologyInfos.clear();
        for ( RegisteredOntologyInfo oi : ontologyInfos ) {
          if ( type.equalsIgnoreCase(oi.getType().toString()) ) {
            selectedOntologyInfos.add(oi);

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  void searchOntologies(final String searchString, final Command doneCmd) {
    ontologyTable.showProgress();
    
    DeferredCommand.addCommand(new Command() {
      public void execute() {
        try {
          selectedOntologyInfos.clear();
          
          // empty searchString? -> add all:

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      MenuBar menu = new MenuBar(true);
      final PopupPanel menuPopup = new PopupPanel(true);
      
      if ( row >= FIRST_REGULAR_ROW ) {
        menu.addItem(new MenuItem("Insert row above", new Command() {
          public void execute() {
            _insertRow(row, flexTable.getCellCount(row));
            menuPopup.hide();
          }
        }));
      }
      menu.addItem(new MenuItem("Insert row below", new Command() {
      public void execute() {
        _insertRow(row + 1, flexTable.getCellCount(row));
        menuPopup.hide();
      }
      }));
      
      if ( row >= FIRST_REGULAR_ROW ) {
        menu.addSeparator();
        menu.addItem(new MenuItem("Delete row", new Command() {
          public void execute() {
            _deleteRow(row);
            menuPopup.hide();
          }
        }));

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    int top = ww.getAbsoluteTop();


      MenuBar menu = new MenuBar(true);
      final PopupPanel menuPopup = new PopupPanel(true);
      
      menu.addItem(new MenuItem("Insert column right", new Command() {
      public void execute() {
        _insertCol(col + 1);
        menuPopup.hide();
      }
      }));
      menu.addItem(new MenuItem("Insert column left", new Command() {
      public void execute() {
        _insertCol(col);
        menuPopup.hide();
      }
      }));
      
      // do not allow to remove the client column if it's the only one:
      if ( flexTable.getCellCount(0) > 2 ) {
        menu.addSeparator();
        menu.addItem(new MenuItem("Delete column", new Command() {
        public void execute() {
          _deleteCol(col);
          menuPopup.hide();
        }
        }));

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      if ( ! cb.isChecked() ) {
        newMappings.add(mappingAssoc.mapping);
      }
    }
    if ( newMappings.size() < mappingAssocs.size() ) {
      DeferredCommand.addCommand(new Command() {
        public void execute() {
          _prepareFlexPanel();
          setMappings(newMappings);
        }
      });

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