459 lines
9.9 KiB
Java
459 lines
9.9 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.td.wizardwidget.client;
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import java.util.ArrayList;
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import org.gcube.portlets.user.td.wizardwidget.client.util.ErrorMessageBox;
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import org.gcube.portlets.user.td.gwtservice.shared.TRId;
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import com.allen_sauer.gwt.log.client.Log;
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import com.google.gwt.core.client.Callback;
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import com.google.gwt.user.client.Command;
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import com.google.gwt.user.client.ui.Widget;
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import com.google.web.bindery.event.shared.SimpleEventBus;
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import com.sencha.gxt.core.client.resources.ThemeStyles;
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import com.sencha.gxt.widget.core.client.Dialog;
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import com.sencha.gxt.widget.core.client.Window;
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import com.sencha.gxt.widget.core.client.button.TextButton;
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import com.sencha.gxt.widget.core.client.container.CardLayoutContainer;
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import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer;
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import com.sencha.gxt.widget.core.client.container.VerticalLayoutContainer.VerticalLayoutData;
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import com.sencha.gxt.widget.core.client.event.SelectEvent;
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import com.sencha.gxt.widget.core.client.event.SelectEvent.SelectHandler;
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import com.sencha.gxt.widget.core.client.toolbar.FillToolItem;
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import com.sencha.gxt.widget.core.client.toolbar.ToolBar;
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/**
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*
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* @author "Giancarlo Panichi" <a
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* href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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*
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*/
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public class WizardWindow extends Window {
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protected final String WIZARDWIDTH = "640px";
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protected final String WIZARDHEIGHT = "480px";
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protected final boolean WIZARRESIZABLE = false;
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protected final boolean WIZARDCOLLAPSIBLE = true;
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protected final String BUTTONBACKLABEL="Back";
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protected final String BUTTONNEXTLABEL="Next";
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protected final String BUTTONFINISHLABEL="Finish";
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protected ArrayList<WizardCard> cardStack = new ArrayList<WizardCard>();
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protected TextButton backButton;
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protected TextButton nextButton;
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protected String originalTitle;
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protected boolean checkBeforeClose = true;
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protected boolean nextCardFinish = false;
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protected Command nextButtonAction = null;
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protected Command previousButtonAction = null;
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protected CardLayoutContainer cardContainer;
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protected ArrayList<WizardListener> listeners;
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protected SimpleEventBus eventBus;
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/**
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* Create a new Wizard Window with the specified title.
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*
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* @param title
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* the wizard window title.
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*/
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public WizardWindow(String title) {
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super();
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this.eventBus = new SimpleEventBus();
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Log.info(title);
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// setModal(true);
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setResizable(WIZARRESIZABLE);
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setCollapsible(WIZARDCOLLAPSIBLE);
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setWidth(WIZARDWIDTH);
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setHeight(WIZARDHEIGHT);
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listeners = new ArrayList<WizardListener>();
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setHeadingText(title);
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this.originalTitle = title;
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VerticalLayoutContainer container = new VerticalLayoutContainer();
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cardContainer = new CardLayoutContainer();
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container.add(cardContainer, new VerticalLayoutData(1, 1));
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ToolBar toolbar = new ToolBar();
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toolbar.addStyleName(ThemeStyles.getStyle().borderTop());
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backButton = new TextButton(BUTTONBACKLABEL);
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backButton.setEnabled(false);
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backButton.setTabIndex(1001);
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toolbar.add(backButton);
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toolbar.add(new FillToolItem());
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nextButton = new TextButton(BUTTONNEXTLABEL);
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nextButton.setTabIndex(1000);
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toolbar.add(nextButton);
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toolbar.setLayoutData(new VerticalLayoutData(1, -1));
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container.add(toolbar);
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SelectHandler selectionHandler = new SelectHandler() {
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@Override
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public void onSelect(SelectEvent event) {
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TextButton button = (TextButton) event.getSource();
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String btnID = button.getId();
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if (btnID.equals(backButton.getId())) {
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if (previousButtonAction != null)
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previousButtonAction.execute();
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else
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previousCard();
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} else {
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if (nextButtonAction != null)
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nextButtonAction.execute();
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else
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nextCard();
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}
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}
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};
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backButton.addSelectHandler(selectionHandler);
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nextButton.addSelectHandler(selectionHandler);
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setWidget(container);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected void initTools() {
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super.initTools();
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closeBtn.addSelectHandler(new SelectHandler() {
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@Override
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public void onSelect(SelectEvent event) {
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fireAborted();
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hide();
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}
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});
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}
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public void addListener(WizardListener listener) {
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listeners.add(listener);
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}
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public void removeListener(WizardListener listener) {
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listeners.remove(listener);
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}
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/**
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* Shows the next available card.
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*/
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public void nextCard() {
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Widget activeItem = cardContainer.getActiveWidget();
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if (activeItem instanceof WizardCard)
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((WizardCard) activeItem).dispose();
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int cardPos = cardStack.indexOf(activeItem);
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// NEXT ->
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nextButton.setEnabled(true);
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backButton.setEnabled(true);
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int newPos = cardPos + 1;
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if (newPos == 0) {
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// we are moving forward from the first card
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backButton.setEnabled(false);
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}
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nextButtonAction = null;
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previousButtonAction = null;
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Log.info("cardStack size:" + cardStack.size());
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WizardCard card = cardStack.get(newPos);
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cardContainer.setActiveWidget(card);
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doLayout();
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if (card instanceof WizardCard)
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((WizardCard) card).setup();
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}
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/**
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* Shows the previous available card.
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*/
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public void previousCard() {
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Widget activeItem = cardContainer.getActiveWidget();
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if (activeItem instanceof WizardCard)
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((WizardCard) activeItem).dispose();
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int cardPos = cardStack.indexOf(activeItem);
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// BACK <-
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nextButton.setEnabled(true);
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backButton.setEnabled(true);
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int newPos = cardPos - 1;
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if (newPos == 0) {
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backButton.setEnabled(false);
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}
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nextButtonAction = null;
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previousButtonAction = null;
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WizardCard card = cardStack.get(newPos);
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cardContainer.setActiveWidget(card);
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doLayout();
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if (card instanceof WizardCard)
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((WizardCard) card).setup();
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}
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/**
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* Returns the number of available cards.
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*
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* @return
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*/
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public int getCardStackSize() {
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return cardStack.size();
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}
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/**
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* Returns the current active card.
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*
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* @return
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*/
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public int getCurrentCard() {
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return cardStack.indexOf(cardContainer.getActiveWidget());
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}
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public boolean checkBeforeClose() {
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return true;
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}
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public void close(boolean check) {
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checkBeforeClose = check;
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hide();
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}
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/**
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* Sets the label of next button to "Finish" value and add a close command
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* to it.
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*/
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public void setNextButtonToFinish() {
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nextButton.setText(BUTTONFINISHLABEL);
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nextButtonAction = new Command() {
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public void execute() {
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close(false);
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}
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};
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}
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/**
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* Set the command for the next button.
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*
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* @param command
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* the command to execute.
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*/
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public void setNextButtonCommand(Command command) {
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nextButtonAction = command;
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}
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/**
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* Set the command for the previous button.
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*
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* @param command
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* the command to execute.
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*/
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public void setPreviousButtonCommand(Command command) {
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previousButtonAction = command;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void show() {
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super.show();
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Widget activeItem = cardContainer.getActiveWidget();
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if (activeItem instanceof WizardCard)
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((WizardCard) activeItem).setup();
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}
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/**
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* Set the card list.
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*
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* @param cards
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*/
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public void setCards(ArrayList<WizardCard> cards) {
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for (WizardCard card : cards) {
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addCard(card);
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}
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}
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/**
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* Adds a card to this wizard.
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*
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* @param card
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* the card to add.
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*/
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public void addCard(WizardCard card) {
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card.setWizardWindow(this);
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cardContainer.add(card);
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cardStack.add(card);
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}
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/**
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* Remove a card to this wizard.
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*
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* @param card
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* the card to add.
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*/
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public void removeCard(WizardCard card) {
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cardContainer.remove(card);
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cardStack.remove(card);
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}
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/**
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* Enables the next button on the wizard.
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*
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* @param enable
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* <code>true</code> to enable the next button,
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* <code>false</code> otherwise.
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*/
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public void setEnableNextButton(boolean enable) {
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nextButton.setEnabled(enable);
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}
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/**
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* Enables the back button on the wizard.
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*
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* @param enable
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* <code>true</code> to enable the back button,
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* <code>false</code> otherwise.
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*/
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public void setEnableBackButton(boolean enable) {
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backButton.setEnabled(enable);
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}
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/**
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* Sets the next button label.
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*
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* @param text
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* the button label.
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*/
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protected void setNextButtonText(String text) {
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nextButton.setText(text);
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}
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/**
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* Sets the back button label.
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*
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* @param text
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* the button label.
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*/
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protected void setBackButtonText(String text) {
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backButton.setText(text);
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}
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/**
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* Sets visible next button.
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*
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* @param visible
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*/
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protected void setNextButtonVisible(boolean visible) {
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nextButton.setVisible(visible);
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}
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/**
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* Sets visible back button.
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*
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* @param visible
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*/
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protected void setBackButtonVisible(boolean visible) {
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backButton.setVisible(visible);
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}
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/**
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* Add a listener to the next button.
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*
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* @param listener
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* the listener to add.
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*/
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protected void addNextButtonListener(SelectHandler listener) {
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nextButton.addSelectHandler(listener);
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}
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/**
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* @return the originalTitle
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*/
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public String getOriginalTitle() {
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return originalTitle;
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}
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/**
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* Returns the card list.
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*
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* @return teh card list.
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*/
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public ArrayList<WizardCard> getCardStack() {
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return cardStack;
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}
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public void showErrorAndHide(String title, final String failureReason,
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final String failureDetails, final Throwable throwable) {
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ErrorMessageBox.showError(title, failureReason, failureDetails,
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new Callback<Dialog, Void>() {
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@Override
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public void onSuccess(Dialog result) {
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}
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@Override
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public void onFailure(Void reason) {
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hide();
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fireFailed(throwable, failureReason, failureDetails);
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}
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});
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}
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public void fireCompleted(TRId id) {
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for (WizardListener listener : listeners)
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listener.completed(id);
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}
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public void fireAborted() {
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for (WizardListener listener : listeners)
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listener.aborted();
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}
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public void fireFailed(Throwable throwable, String reason, String details) {
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for (WizardListener listener : listeners)
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listener.failed(throwable, reason, details);
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}
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}
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