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(); 
```

    statusHtml.setHTML(msg);
  }


  private void show() {
    if ( showCalled && ! hideCalled ) {
      DeferredCommand.addCommand(new Command() {
        public void execute() {
          popup.show();
        }
      });
    }

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  }
  
  public void setRows(final List<IRow> rows) {
    this.rows = rows;
    DeferredCommand.addCommand(new Command() {
      public void execute() {
        Collections.sort(rows, cmp);
        update();
      }
    });

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  private void userAccountCreated(final LoginResult loginResult) {
    // do the loginOk thing:
    loginOk(loginResult);
    // and refresh the user account in update mode:
    DeferredCommand.addCommand(new Command() {
      public void execute() {
        dispatchUserAccount(true);
      }
    });
  }

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  public void loginOk(final LoginResult loginResult) {
    if ( signInPopup != null ) {
      signInPopup.hide();
    }
    
    DeferredCommand.addCommand(new Command() {
      public void execute() {
        pctrl.setLoginResult(loginResult);
        browsePanel.ontologyTable.showProgress();
        headerPanel.updateLinks(interfaceType);
        userSignedIn();

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  }


  
  // LoginListener
  public void loginCreateAccount() {
    DeferredCommand.addCommand(new Command() {
      public void execute() {
        if ( signInPopup != null ) {
          signInPopup.hide();
        }
      }

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      }
      else {
        bodyPanel.add(browsePanel);
        
        if ( pendingMessage  != null ) {
          DeferredCommand.addCommand(new Command() {
          public void execute() {
              Window.alert(pendingMessage);
              pendingMessage = null;
          }
          });
        }
      }
    DeferredCommand.addCommand(new Command() {
      public void execute() {
        controlsPanel.dispatchSearchOntologies(searchString);
      }
    });
  }

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      readOnly = ! readOnly;
      if ( readOnly ) {
        return;
      }
      
      DeferredCommand.addCommand(new Command() {
        public void execute() {
          final TextArea ta = new TextArea();
          String text = valHtml.getText();
          ta.setText(text);

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    interfaceType = InterfaceType.ONTOLOGY_VIEW;


      bodyPanel.clear();
      bodyPanel.add(new HTML("<i>Loading ontology...</i>"));
      
      DeferredCommand.addCommand(new Command() {
      public void execute() {
        OntologyPanel ontologyPanel = new OntologyPanel(ontologyInfo, true, versionExplicit);
        pctrl.setOntologyInfo(ontologyInfo);
        pctrl.setOntologyPanel(ontologyPanel);
        controlsPanel.showMenuBar(interfaceType);

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    interfaceType = InterfaceType.ENTITY_VIEW;


      bodyPanel.clear();
      bodyPanel.add(new HTML("<i>Loading term...</i>"));
      
      DeferredCommand.addCommand(new Command() {
      public void execute() {
        
        pctrl.setOntologyInfo(null);
        pctrl.setOntologyPanel(null);

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    interfaceType = InterfaceType.ENTITY_NOT_FOUND;


      bodyPanel.clear();
      
      DeferredCommand.addCommand(new Command() {
      public void execute() {
        
        pctrl.setOntologyInfo(null);
        pctrl.setOntologyPanel(null);
        pctrl.setEntityInfo(null);

View Full Code Here

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