tabular-data-open-widget/src/main/java/org/gcube/portlets/user/td/openwidget/client/general/WizardWindow.java

492 lines
10 KiB
Java

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