Migrate Vaadin 7 wiki articles to documentation (#9993)

1 files changed, 338 insertions, 0 deletions

diff --git a/documentation/articles/img/DmoOrgTreeUI.java b/documentation/articles/img/DmoOrgTreeUI.java
new file mode 100644
index 0000000000..5e343cc347
--- /dev/null
+++ b/documentation/articles/img/DmoOrgTreeUI.java
@@ -0,0 +1,338 @@
+
+package com.dmo.util.ui;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+
+import javax.portlet.ActionRequest;
+import javax.portlet.ActionResponse;
+import javax.portlet.EventRequest;
+import javax.portlet.EventResponse;
+import javax.portlet.PortletMode;
+import javax.portlet.PortletRequest;
+import javax.portlet.PortletSession;
+import javax.portlet.RenderRequest;
+import javax.portlet.RenderResponse;
+import javax.portlet.ResourceRequest;
+import javax.portlet.ResourceResponse;
+import javax.servlet.annotation.WebServlet;
+
+import com.liferay.portal.kernel.exception.PortalException;
+import com.liferay.portal.kernel.exception.SystemException;
+import com.liferay.portal.kernel.util.WebKeys;
+import com.liferay.portal.model.Organization;
+import com.liferay.portal.model.User;
+import com.liferay.portal.service.OrganizationLocalServiceUtil;
+import com.liferay.portal.service.UserLocalServiceUtil;
+import com.liferay.portal.theme.ThemeDisplay;
+import com.liferay.portal.util.PortalUtil;
+import com.vaadin.annotations.Theme;
+import com.vaadin.annotations.VaadinServletConfiguration;
+import com.vaadin.data.util.HierarchicalContainer;
+import com.vaadin.event.ItemClickEvent;
+import com.vaadin.server.VaadinPortletSession;
+import com.vaadin.server.VaadinPortletSession.PortletListener;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.server.VaadinServlet;
+import com.vaadin.server.VaadinSession;
+import com.vaadin.ui.AbstractSelect.ItemCaptionMode;
+import com.vaadin.ui.Notification;
+import com.vaadin.ui.Notification.Type;
+import com.vaadin.ui.Tree;
+import com.vaadin.ui.UI;
+import com.vaadin.ui.VerticalLayout;
+
+@SuppressWarnings({
+	"serial", "deprecation"
+})
+@Theme("dmoprojectview")
+public class DmoOrgTreeUI extends UI implements PortletListener {
+
+	private PortletMode previousMode = null;
+	private PortletRequest portletRequest;
+	private PortletSession portletSession;
+	private User user;
+	private ThemeDisplay themeDisplay;
+	private VerticalLayout viewContent = new VerticalLayout();
+	private Tree tree = new Tree("Organization Tree");
+	private HashSet<Long> checked = new HashSet<Long>();
+
+	@WebServlet(value = "/*", asyncSupported = true)
+	@VaadinServletConfiguration(productionMode = false, ui = DmoOrgTreeUI.class)
+	public static class Servlet extends VaadinServlet {
+	}
+
+	@Override
+	protected void init(VaadinRequest request) {
+
+		viewContent = new VerticalLayout();
+		viewContent.setMargin(true);
+		setContent(viewContent);
+
+		if (VaadinSession.getCurrent() instanceof VaadinPortletSession) {
+			final VaadinPortletSession portletsession = (VaadinPortletSession) VaadinSession.getCurrent();
+			portletsession.addPortletListener(this);
+
+			try {
+				setPortletRequestUI((PortletRequest) request);
+				setPortletSessionUI(portletsession.getPortletSession());
+				user = UserLocalServiceUtil.getUser(PortalUtil.getUser((PortletRequest) request).getUserId());
+				setThemeDisplayUI((ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY));
+				//System.out.println("DEBUG=>" + this.getClass() + "\n     ==>themeDisplay getLayout=" + themeDisplay.getLayout().toString());
+				doView();
+			}
+			catch (PortalException e) {
+				e.printStackTrace();
+			}
+			catch (com.liferay.portal.kernel.exception.SystemException e) {
+				e.printStackTrace();
+			}
+		}
+		else {
+			Notification.show("Not initialized in a Portal!", Notification.Type.ERROR_MESSAGE);
+		}
+
+	}
+
+	@Override
+	public void handleRenderRequest(RenderRequest request, RenderResponse response, UI root) {
+
+		PortletMode portletMode = request.getPortletMode();
+		try {
+			setPortletRequestUI((PortletRequest) request);
+			setPortletSessionUI(request.getPortletSession());
+
+			setThemeDisplayUI((ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY));
+			user = UserLocalServiceUtil.getUser(PortalUtil.getUser((PortletRequest) request).getUserId());
+			
+			if (request.getPortletMode() == PortletMode.VIEW) {
+				doView();
+			}
+		}
+		catch (PortalException e) {
+			Notification.show(e.getMessage(), Type.ERROR_MESSAGE);
+		}
+		catch (com.liferay.portal.kernel.exception.SystemException e) {
+			Notification.show(e.getMessage(), Type.ERROR_MESSAGE);
+		}
+
+		setPreviousModeUI(portletMode);
+
+	}
+
+	@Override
+	public void handleActionRequest(ActionRequest request, ActionResponse response, UI root) {
+
+	}
+
+	@Override
+	public void handleEventRequest(EventRequest request, EventResponse response, UI root) {
+
+	}
+
+	@Override
+	public void handleResourceRequest(ResourceRequest request, ResourceResponse response, UI root) {
+
+		this.setThemeDisplayUI((ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY));
+
+		setPortletRequestUI((PortletRequest) request);
+		setPortletSessionUI(request.getPortletSession());
+		setThemeDisplayUI((ThemeDisplay) request.getAttribute(WebKeys.THEME_DISPLAY));
+		try {
+			user = UserLocalServiceUtil.getUser(PortalUtil.getUser((PortletRequest) request).getUserId());
+		}
+		catch (PortalException e) {
+			Notification.show(e.getMessage(), Type.ERROR_MESSAGE);
+		}
+		catch (com.liferay.portal.kernel.exception.SystemException e) {
+			Notification.show(e.getMessage(), Type.ERROR_MESSAGE);
+		}
+	}
+
+	public void doView() {
+
+		try {
+			buildMainLayout();
+		}
+		catch (SystemException e) {
+			Notification.show("System error occurred.  Contact administrator.", Type.WARNING_MESSAGE);
+		}
+		catch (PortalException e) {
+			Notification.show("System error occurred.  Contact administrator.", Type.WARNING_MESSAGE);
+		}
+		catch (Exception e) {
+			Notification.show("System error occurred.  Contact administrator.", Type.WARNING_MESSAGE);
+		}
+	}
+
+	private void buildMainLayout()
+		throws SystemException, PortalException {
+
+		if (viewContent.getComponentCount() > 0) {
+			viewContent.removeAllComponents();
+		}
+
+		viewContent.setMargin(true);
+		viewContent.addStyleName("view");
+
+		List<Organization> orgList = new ArrayList<Organization>();
+		orgList = OrganizationLocalServiceUtil.getUserOrganizations(user.getUserId());
+		final HierarchicalContainer container = createTreeContent(orgList);
+
+		tree = new Tree("My Organizations", container);
+		tree.addStyleName("checkboxed");
+		tree.setSelectable(false);
+		tree.setItemCaptionMode(ItemCaptionMode.PROPERTY);
+		tree.setItemCaptionPropertyId("name");
+		tree.addItemClickListener(new ItemClickEvent.ItemClickListener() {
+
+			public void itemClick(ItemClickEvent event) {
+
+				if (event.getItemId().getClass() == Long.class) {
+					long itemId = (Long) event.getItemId();
+					if (checked.contains(itemId)) {
+						checkboxChildren(container, itemId, false);
+					}
+					else {
+						checkboxChildren(container, itemId, true);
+						tree.expandItemsRecursively(itemId);
+					}
+				}
+				tree.markAsDirty();
+			}
+		});
+
+		Tree.ItemStyleGenerator itemStyleGenerator = new Tree.ItemStyleGenerator() {
+
+			@Override
+			public String getStyle(Tree source, Object itemId) {
+
+				if (checked.contains(itemId))
+					return "checked";
+				else
+					return "unchecked";
+			}
+		};
+		tree.setItemStyleGenerator(itemStyleGenerator);
+
+		viewContent.addComponent(tree);
+		viewContent.setVisible(true);
+		setContent(viewContent);
+	}
+
+	public void checkboxChildren(HierarchicalContainer hc, long itemId, boolean bAdd) {
+
+		try {
+
+			if (bAdd) {
+				checked.add(itemId);
+			}
+			else {
+				checked.remove(itemId);
+			}
+
+			if (hc.hasChildren(itemId)) {
+				Collection<?> children = hc.getChildren(itemId);
+				for (Object o : children) {
+					if (o.getClass() == Long.class) {
+						itemId = (Long) o;
+						checkboxChildren(hc, itemId, bAdd);
+					}
+				}
+			}
+		}
+		catch (Exception e) {
+			Notification.show("Unable to build Organization tree.  Contact Administrator.", Type.ERROR_MESSAGE);
+		}
+	}
+
+	public static HierarchicalContainer createTreeContent(List<Organization> oTrees)
+		throws SystemException, PortalException {
+
+		HierarchicalContainer container = new HierarchicalContainer();
+		container.addContainerProperty("name", String.class, "");
+
+		new Object() {
+
+			@SuppressWarnings("unchecked")
+			public void put(List<Organization> data, HierarchicalContainer container)
+				throws SystemException, PortalException {
+
+				for (Organization o : data) {
+					long orgId = o.getOrganizationId();
+
+					if (!container.containsId(orgId)) {
+
+						container.addItem(orgId);
+						container.getItem(orgId).getItemProperty("name").setValue(o.getName());
+
+						if (!o.hasSuborganizations()) {
+							container.setChildrenAllowed(orgId, false);
+						}
+						else {
+							container.setChildrenAllowed(orgId, true);
+						}
+
+						if (o.isRoot()) {
+							container.setParent(orgId, null);
+						}
+						else {
+							if (!container.containsId(o.getParentOrganizationId())) {
+								List<Organization> sub = new ArrayList<Organization>();
+								sub.add(o.getParentOrganization());
+								put(sub, container);
+							}
+
+							container.setParent(orgId, (Object) o.getParentOrganizationId());
+						}
+					}
+				}
+			}
+		}.put(oTrees, container);
+
+		return container;
+	}
+
+	public PortletRequest getPortletRequestUI() {
+
+		return portletRequest;
+	}
+
+	public void setPortletRequestUI(PortletRequest portletRequest) {
+
+		this.portletRequest = portletRequest;
+	}
+
+	public PortletSession getPortletSessionUI() {
+
+		return portletSession;
+	}
+
+	public void setPortletSessionUI(PortletSession portletSession) {
+
+		this.portletSession = portletSession;
+	}
+
+	public ThemeDisplay getThemeDisplayUI() {
+
+		return themeDisplay;
+	}
+
+	public void setThemeDisplayUI(ThemeDisplay themeDisplay) {
+
+		this.themeDisplay = themeDisplay;
+	}
+
+	public PortletMode getPreviousModeUI() {
+
+		return previousMode;
+	}
+
+	public void setPreviousModeUI(PortletMode previousMode) {
+
+		this.previousMode = previousMode;
+	}
+
+}