CreateIssueLinkWizard.java example

Explorer
org.nightlabs.jfire.max.eclipse-master
package org.nightlabs.jfire.issuetracking.ui.issuelink.create;

import java.util.HashSet;
import java.util.Set;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.nightlabs.base.ui.wizard.DynamicPathWizard;
import org.nightlabs.jdo.ObjectID;
import org.nightlabs.jfire.issue.Issue;
import org.nightlabs.jfire.issue.IssueLinkType;
import org.nightlabs.jfire.issuetracking.ui.issue.IssueLinkTable;
import org.nightlabs.jfire.issuetracking.ui.issue.IssueLinkTableItem;
import org.nightlabs.jfire.issuetracking.ui.issuelink.IssueLinkAdder;
import org.nightlabs.jfire.issuetracking.ui.issuelink.IssueLinkHandlerFactory;
import org.nightlabs.jfire.issuetracking.ui.resource.Messages;

/**
 * @author Chairat Kongarayawetchakun <!-- chairat [AT] nightlabs [DOT] de -->
 *
 */
public class CreateIssueLinkWizard
extends DynamicPathWizard
{
	private Issue issue;

	private IssueLinkTable issueLinkTable;

	private IssueLinkAdder issueLinkAdder;
	private SelectIssueLinkHandlerFactoryWizardPage selectIssueLinkHandlerFactoryPage;
	private SelectLinkedObjectWizardPage selectLinkedObjectPage;
	private SelectIssueLinkTypeWizardPage selectIssueLinkTypePage;
	private IssueLinkHandlerFactory<ObjectID, Object> lastSelectedIssueLinkHandlerFactory;

	public CreateIssueLinkWizard(IssueLinkTable issueLinkTable, Issue issue) {
		this.issueLinkTable = issueLinkTable;
		this.issue = issue;
		setWindowTitle(Messages.getString("org.nightlabs.jfire.issuetracking.ui.issuelink.create.CreateIssueLinkWizard.title")); //$NON-NLS-1$
	}

	@Override
	public void addPages() {
		selectIssueLinkHandlerFactoryPage = new SelectIssueLinkHandlerFactoryWizardPage();
		addPage(selectIssueLinkHandlerFactoryPage);

		selectLinkedObjectPage = new SelectLinkedObjectWizardPage();
		addPage(selectLinkedObjectPage);

		selectIssueLinkTypePage = new SelectIssueLinkTypeWizardPage();
		addPage(selectIssueLinkTypePage);

		selectIssueLinkHandlerFactoryPage.addSelectionChangedListener(new ISelectionChangedListener() {
			@Override
			public void selectionChanged(SelectionChangedEvent event) {
				IssueLinkHandlerFactory<ObjectID, Object> issueLinkHandlerFactory = selectIssueLinkHandlerFactoryPage.getLinkHandlerFactoryTreeComposite().getIssueLinkHandlerFactory();
				if (issueLinkHandlerFactory == lastSelectedIssueLinkHandlerFactory) {
					return;
				}
				if (issueLinkHandlerFactory == null)
					issueLinkAdder = null;
				else
					issueLinkAdder = issueLinkHandlerFactory.createIssueLinkAdder(issue);
				lastSelectedIssueLinkHandlerFactory = issueLinkHandlerFactory;

				selectLinkedObjectPage.setIssueLinkAdder(issueLinkAdder);
				selectIssueLinkTypePage.setIssueLinkAdder(issueLinkAdder);
			}
		});

	}

	/**
	 * This method is used for adding issueLink to IssueLinkAdderComposite.
	 */
	@Override
	public boolean performFinish() {
		IssueLinkType issueLinkType = selectIssueLinkTypePage.getSelectedIssueLinkType();

		Set<ObjectID> linkedObjectIDs = selectLinkedObjectPage.getLinkedObjectIDs();
		Set<IssueLinkTableItem> issueLinkTableItems = new HashSet<IssueLinkTableItem>();

		Set<IssueLinkTableItem> duplicatedItems = new HashSet<IssueLinkTableItem>();


		for (ObjectID linkedObjectID : linkedObjectIDs) {
			IssueLinkTableItem linkedTableItem = new IssueLinkTableItem(linkedObjectID, issueLinkType);
			issueLinkTableItems.add(linkedTableItem);

			boolean isExist = issueLinkTable.getIssueLinkTableItems().contains(linkedTableItem);
			if (isExist) {
				duplicatedItems.add(linkedTableItem);
			}
		}

		if (duplicatedItems.size() != 0) {
			StringBuffer errorMsg = new StringBuffer();
			for (IssueLinkTableItem dItem : duplicatedItems) {
				errorMsg.append(dItem.getLinkedObjectID().toString() + " with IssueLinkType=" + dItem.getIssueLinkType().getName().getText() + "\n\n"); //$NON-NLS-1$ //$NON-NLS-2$
			}

			MessageDialog.openError(getShell(), Messages.getString("org.nightlabs.jfire.issuetracking.ui.issuelink.create.CreateIssueLinkWizard.dialog.error.linkExisted.text"), errorMsg.toString()); //$NON-NLS-1$
			return false;
		}

		issueLinkTable.addIssueLinkTableItems(issueLinkTableItems);

		return true;
	}

	public Issue getIssue() {
		return issue;
	}

	public IssueLinkTable getIssueLinkTable() {
		return issueLinkTable;
	}
}