@Override
public void handlePageChanging(final PageChangingEvent event) {
    // Assume success
    event.doit = true;

    // Get the current and target pages
    WizardPage currPage = (WizardPage)event.getCurrentPage();
    WizardPage targetPage = (WizardPage)event.getTargetPage();
    
    if ((currPage instanceof AlwStartPage) && (targetPage instanceof AlwPropertiesPage)) {
        // Moving from first to second page
        LayoutConfig lc = getStartPage().getSelectedLayoutConfig();
        if (lc != null) {
            String errorMsg = "This configuration is in a library that is not yet enabled in this application.\nEnabling the library will add it as a dependency in Xsp Properties.\nXsp Properties is currently open in another editor and cannot be modified.\nClose Xsp Properties in order to proceed.";  // $NLX-ApplicationLayoutDropWizard.Thisconfigurationisinalibrarythat-1$
            String proceedMsg = "This configuration is in a library that is not yet enabled in this application.\nEnabling the library will add it as a dependency in Xsp Properties.\nClick Continue to update your Xsp Properties."; // $NLX-ApplicationLayoutDropWizard.Thisconfigurationisinalibrarythat.1-1$
            event.doit = WizardUtils.findStandardDefAndAddDependency(lc.facesDef.getNamespaceUri(), lc.tagName, _panelData.getDesignerProject(), errorMsg, proceedMsg); 
        }
    }        
}
 

@Override
public void handlePageChanging(PageChangingEvent event) {
    event.doit = true;
    advancing = false;
    if (event.getCurrentPage() == _viewPage) {
        if (event.getTargetPage() == _restPage) {
            if (_viewPage.hasChanged()) {
                // We want the rest page to reload it's data
                _restPage.setFirstDisplay(true);
                _viewPage.setHasChanged(false);
            }
            advancing = true;
        }
    } else if (event.getCurrentPage() == _restPage) {
        if (event.getTargetPage() == _actionPage) {
            advancing = true;
        }
    } else if (event.getCurrentPage() == _actionPage) {
        if (event.getTargetPage() == _eventPage) {
            advancing = true;
        }
    }
}
 

/**
 * Notifies any page changing listeners that the currently selected dialog
 * page is changing. Only listeners registered at the time this method is
 * called are notified.
 * 
 * @param event
 *            a selection changing event
 * 
 * @see IPageChangingListener#handlePageChanging(PageChangingEvent)
 * @since 3.3
 */
protected void firePageChanging(final PageChangingEvent event) {
	Object[] listeners = pageChangingListeners.getListeners();
	for (int i = 0; i < listeners.length; ++i) {
		final IPageChangingListener l = (IPageChangingListener) listeners[i];
		SafeRunnable.run(new SafeRunnable() {
			public void run() {
				l.handlePageChanging(event);
			}
		});
	}
}
 

@Override
public void handlePageChanging(PageChangingEvent event) {
    event.doit = true;
    advancing = false;
    if (event.getCurrentPage() == _zipFilePage) {
        if (event.getTargetPage() == _importCopyMethodPage) {
            advancing = true;
        }
    }
    else if (event.getCurrentPage() == _importCopyMethodPage) {
        if (event.getTargetPage() == _dirPage) {
            advancing = true;
        }
    }
    else if (event.getCurrentPage() == _dirPage) {
        if (event.getTargetPage() == _deployCopyMethodPage) {
            advancing = true;
        }
    }
    else if (event.getCurrentPage() == _deployCopyMethodPage) {
        if (event.getTargetPage() == _orgSpacePage) {
            advancing = true;
            if (_orgSpacePage.isFirstDisplay()) {
                if (!runJob(_orgSpacePage.getOrgsAndSpaces)) {
                    event.doit = false;
                }
            }
        }
    }
}
 

@Override
public void handlePageChanging(PageChangingEvent event) {
    // Get the current and target pages
    WizardBasePage currPage = (WizardBasePage)event.getCurrentPage();
    WizardBasePage targetPage = (WizardBasePage)event.getTargetPage();
    
    // Check that the Next button has been pressed
    if ((currPage.getStepNumber() < targetPage.getStepNumber()) || (targetPage.getStepNumber() < 0)) {
        event.doit = currPage.validatePage();
    } else {
        event.doit = true;
    }
}
 

/**
 * Notifies any page changing listeners that the currently selected dialog
 * page is changing. Only listeners registered at the time this method is
 * called are notified.
 * 
 * @param event
 *            a selection changing event
 * 
 * @see IPageChangingListener#handlePageChanging(PageChangingEvent)
 * @since 3.3
 */
protected void firePageChanging(final PageChangingEvent event) {
	Object[] listeners = pageChangingListeners.getListeners();
	for (int i = 0; i < listeners.length; ++i) {
		final IPageChangingListener l = (IPageChangingListener) listeners[i];
		SafeRunnable.run(new SafeRunnable() {
			public void run() {
				l.handlePageChanging(event);
			}
		});
	}
}
 

@Override
public void handlePageChanging(PageChangingEvent event) {
	Object currentPage = event.getCurrentPage();
	Object nextPage = event.getTargetPage();
	
	if(currentPage == getFirstPage() && nextPage == getSecondPage()) {
		event.doit = changeToNewProject();
	} else if(currentPage == getSecondPage() && nextPage == getFirstPage()) {
		removeProject();
	}
}
 

@Override
public void handlePageChanging(final PageChangingEvent event) {

	//-> Credentials page -> Branch & Package page
	if (event.getCurrentPage() == AbapGitWizard.this.pageRepo && event.getTargetPage() == AbapGitWizard.this.pageBranchAndPackage
			&& !AbapGitWizard.this.pageRepo.validateAll()) {
		event.doit = false;
		return;
	}

	//-> Branch & Package page -> Credentials page
	if (event.getCurrentPage() == AbapGitWizard.this.pageBranchAndPackage && event.getTargetPage() == AbapGitWizard.this.pageRepo) {
		event.doit = true;
		return;
	}

	//-> Branch & Package page -> Transport page
	if (event.getCurrentPage() == AbapGitWizard.this.pageBranchAndPackage
			&& event.getTargetPage() == AbapGitWizard.this.transportPage) {
		if (!AbapGitWizard.this.pageBranchAndPackage.validateAll()) {
			event.doit = false;
			return;
		}
	}

	//-> Branch & Package page -> Any page
	if (event.getCurrentPage() == AbapGitWizard.this.pageBranchAndPackage
			&& !AbapGitWizard.this.pageBranchAndPackage.validateAll()) {
		event.doit = false;
		return;
	}

	//-> Prepare transport page
	if (event.getTargetPage() == AbapGitWizard.this.transportPage) {
		try {
			// The transport service requires URIs to objects we want to create in the
			// target package.
			// However, we do not know these URIs from the client.
			// Instead, give it the URI of the package in which we clone.
			IAdtObjectReference packageRef = AbapGitWizard.this.cloneData.packageRef;
			IAdtObjectReference checkRef = IAdtCoreFactory.eINSTANCE.createAdtObjectReference();
			checkRef.setUri(packageRef.getUri());
			IAdtTransportCheckData checkData = AbapGitWizard.this.transportService.check(checkRef, packageRef.getPackageName(),
					true);
			AbapGitWizard.this.transportPage.setCheckData(checkData);
		} catch (Exception e) {
			AbapGitWizard.this.pageBranchAndPackage.setMessage(e.getMessage(), DialogPage.ERROR);
		}
	}

	//-> APACK page -> Any page
	if (event.getCurrentPage() == AbapGitWizard.this.pageApack && !AbapGitWizard.this.pageApack.validateAll()) {
		event.doit = false;
		return;
	}
}
 

@Override
public void handlePageChanging(final PageChangingEvent event) {

	//-> Credentials page -> Branch & Package page
	if (event.getCurrentPage() == AbapGitWizardPull.this.pageCredentials
			&& event.getTargetPage() == AbapGitWizardPull.this.pageBranchAndPackage) {
		if (!AbapGitWizardPull.this.pageCredentials.validateAll()) {
			event.doit = false;
			return;
		}
	}

	//-> Branch & Package page -> Credentials page
	if (event.getCurrentPage() == AbapGitWizardPull.this.pageBranchAndPackage
			&& event.getTargetPage() == AbapGitWizardPull.this.pageCredentials) {
		if (!AbapGitWizardPull.this.pageBranchAndPackage.validateAll()) {
			event.doit = false;
			return;
		}
	}

	//-> Branch & Package page -> Transport page
	if (event.getCurrentPage() == AbapGitWizardPull.this.pageBranchAndPackage
			&& event.getTargetPage() == AbapGitWizardPull.this.transportPage) {
		if (!AbapGitWizardPull.this.pageBranchAndPackage.validateAll()) {
			event.doit = false;
			return;
		}
	}

	//-> Branch & Package page -> Any page
	if (event.getCurrentPage() == AbapGitWizardPull.this.pageBranchAndPackage
			&& !AbapGitWizardPull.this.pageBranchAndPackage.validateAll()) {
		event.doit = false;
		return;
	}

	//-> Prepare transport page
	if (event.getTargetPage() == AbapGitWizardPull.this.transportPage) {
		try {
			// The transport service requires URIs to objects we want to create in the
			// target package.
			// However, we do not know these URIs from the client.
			// Instead, give it the URI of the package in which we clone.
			IAdtObjectReference packageRef = AbapGitWizardPull.this.cloneData.packageRef;
			IAdtObjectReference checkRef = IAdtCoreFactory.eINSTANCE.createAdtObjectReference();
			checkRef.setUri(packageRef.getUri());
			IAdtTransportCheckData checkData = AbapGitWizardPull.this.transportService.check(checkRef, packageRef.getPackageName(),
					true);
			AbapGitWizardPull.this.transportPage.setCheckData(checkData);
		} catch (Exception e) {
			AbapGitWizardPull.this.pageBranchAndPackage.setMessage(e.getMessage(), DialogPage.ERROR);
		}
	}

	//-> APACK page -> Any page
	if (event.getCurrentPage() == AbapGitWizardPull.this.pageApack && !AbapGitWizardPull.this.pageApack.validateAll()) {
		event.doit = false;
		return;
	}

}
 

@Override
public void handlePageChanging(PageChangingEvent event) {
    event.doit = true;
    advancing = false;
    if (event.getCurrentPage() == _dirPage) {
        if (_dirPage.hasChanged()) {
            _configPage.setFirstDisplay(true);
            _manifestPage.setFirstDisplay(true);
            _dirPage.setHasChanged(false);
        }
        if (event.getTargetPage() == _configPage) {
            advancing = true;
        } else if (event.getTargetPage() == _copyMethodPage) {
            advancing = true;
        }
    }
    else if (event.getCurrentPage() == _configPage) {
        if (event.getTargetPage() == _copyMethodPage) {
            advancing = true;
        }
    }
    else if (event.getCurrentPage() == _copyMethodPage) {
        if (event.getTargetPage() == _cloudSpacePage) {
            advancing = true;
            if(_cloudSpacePage.isFirstDisplay()) {
                if (!runJob(_cloudSpacePage.getOrgsAndSpaces)) {
                    event.doit = false;
                }
            }
        }
    }
    else if (event.getCurrentPage() == _cloudSpacePage) {
        if (_cloudSpacePage.hasChanged()) {
            _namePage.setFirstDisplay(true);
            _cloudSpacePage.setHasChanged(false);
        }            
        if (event.getTargetPage() == _namePage) {
            advancing = true;
            if (_namePage.isFirstDisplay()) {
                _namePage.setCloudSpace(_cloudSpacePage.getOrg(), _cloudSpacePage.getSpace());
                if (!runJob(_namePage.getApplications)) {
                    event.doit = false;
                }
            }
        } else if (event.getTargetPage() == _manifestPage) {
            advancing = true;
        }
    }
    else if (event.getCurrentPage() == _manifestPage) {
        if (event.getTargetPage() == _namePage) {
            advancing = true;
            if (_namePage.isFirstDisplay()) {
                _namePage.setCloudSpace(_cloudSpacePage.getOrg(), _cloudSpacePage.getSpace());
                if (!runJob(_namePage.getApplications)) {
                    event.doit = false;
                }
            }
        }             
    }
}
 

@Override
public void handlePageChanging(PageChangingEvent event) {
}
 

/**
 * Notifies page changing listeners and returns result of page changing
 * processing to the sender.
 * 
 * @param eventType
 * @return <code>true</code> if page changing listener completes
 *         successfully, <code>false</code> otherwise
 */
private boolean doPageChanging(IWizardPage targetPage) {
	PageChangingEvent e = new PageChangingEvent(this, getCurrentPage(),
			targetPage);
	firePageChanging(e);
	// Prevent navigation if necessary
	return e.doit;
}
 

/**
 * Notifies page changing listeners and returns result of page changing
 * processing to the sender.
 * 
 * @param eventType
 * @return <code>true</code> if page changing listener completes
 *         successfully, <code>false</code> otherwise
 */
private boolean doPageChanging(IWizardPage targetPage) {
	PageChangingEvent e = new PageChangingEvent(this, getCurrentPage(),
			targetPage);
	firePageChanging(e);
	// Prevent navigation if necessary
	return e.doit;
}