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Rev 2359 Rev 2427
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import com.google.gwt.user.client.ui.DialogBox;
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import com.google.gwt.user.client.ui.DialogBox;
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import com.google.gwt.user.client.ui.PasswordTextBox;
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import com.google.gwt.user.client.ui.PasswordTextBox;
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import com.google.gwt.user.client.ui.TextBox;
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import com.google.gwt.user.client.ui.TextBox;
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import com.google.gwt.user.client.ui.Widget;
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import com.google.gwt.user.client.ui.Widget;
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/**
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 * This dialog is created when PushToProduction button is pressed.
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 * It authenticates the PushToProduction username and password and calls
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 * CatalogService.updateItemOnProduction if authentication is successful.
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 *
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 */
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public class AuthenticateDialog extends DialogBox {
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public class AuthenticateDialog extends DialogBox {
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    interface Binder extends UiBinder<Widget, AuthenticateDialog> { }
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    interface Binder extends UiBinder<Widget, AuthenticateDialog> { }
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    private static final Binder binder = GWT.create(Binder.class);
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    private static final Binder binder = GWT.create(Binder.class);
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    @UiField PasswordTextBox password;
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    @UiField PasswordTextBox password;
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    @UiField Button cancelButton, submitButton;
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    @UiField Button cancelButton, submitButton;
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    private final Item item;
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    private final Item item;
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    /**
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     * Instantiates this dialog from ItemActions.java on PushToProduction button press.
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     * @param - item object which needs to be updated on production server.
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     */
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    public AuthenticateDialog(Item item) {
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    public AuthenticateDialog(Item item) {
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        setText("Authentication for Production Update");
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        setText("Authentication for Production Update");
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        setWidget(binder.createAndBindUi(this));
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        setWidget(binder.createAndBindUi(this));
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        setAnimationEnabled(true);
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        setAnimationEnabled(true);
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        center();
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        center();
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        this.item = item;
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        this.item = item;
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    }
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    }
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    @UiHandler("submitButton")
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    @UiHandler("submitButton")
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    void authenticate(ClickEvent event) {
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    void authenticate(ClickEvent event) {
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        //authenticate username & password with production role.
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        loginService.authenticateUser(userId.getText(), password.getText(), Utils.ROLE_PRODUCTION, new AsyncCallback<String>() {
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        loginService.authenticateUser(userId.getText(), password.getText(), Utils.ROLE_PRODUCTION, new AsyncCallback<String>() {
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            @Override
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            @Override
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            public void onSuccess(String result) {
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            public void onSuccess(String result) {
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                if(result != null) {
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                if(result != null) {
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                    //Authentication successful. Call update on production.
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                    pushToProduction();
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                    pushToProduction();
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                } else {
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                } else {
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                    Window.alert("Authentication failed");
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                    Window.alert("Authentication failed");
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                }
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                }
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            }
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            }
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            @Override
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            @Override
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            public void onFailure(Throwable caught) {
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            public void onFailure(Throwable caught) {
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                Window.alert("Authentication failed");
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                Window.alert("Authentication failed");
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            }
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            }
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        });
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        });
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    }
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    }
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    private void pushToProduction() {
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    private void pushToProduction() {
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        if(item == null) {
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        if(item == null) {
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            Window.alert("Please select an item to push to production");
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            Window.alert("Please select an item to push to production");
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            return;
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            return;
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        }
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        }
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        // returns string. If there is some error while updating on production, string will be the error message
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        // otherwise it will be success message.
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        catalogService.updateItemOnProduction(item, new AsyncCallback<Boolean>() {
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        catalogService.updateItemOnProduction(item, new AsyncCallback<String>() {
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            @Override
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            @Override
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            public void onSuccess(Boolean result) {
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            public void onSuccess(String result) {
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                if(result) {
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                Window.alert(result);
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                    Window.alert("Item updated successfully on production");
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                    hide();
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                hide();
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                } else {
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                    Window.alert("Error while updating item on production");
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                }
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            }
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            }
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            @Override
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            @Override
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            public void onFailure(Throwable caught) {
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            public void onFailure(Throwable caught) {
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                Window.alert("Error while updating item on production");
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                Window.alert("Error while updating item on production");
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            }
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            }
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    @UiHandler("cancelButton")
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    @UiHandler("cancelButton")
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    void cancel(ClickEvent event) {
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    void cancel(ClickEvent event) {
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        hide();
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        hide();
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    }
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    }
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    public void hide() {
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        //TODO check if super.hide() destroys the object otherwise
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        // everytime push to production is called, a new object of AuthenticateDialog
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        // is created.
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        super.hide();
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    }
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}
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}