@Override
protected void setup() {
Tree tree = new Tree();
tree.setImmediate(true);
tree.addContainerProperty("caption", String.class, "");
for (int i = 1; i <= 10; i++) {
String item = "Node " + i;
tree.addItem(item);
tree.getContainerProperty(item, "caption").setValue("Caption " + i);
tree.setChildrenAllowed(item, false);
}
tree.setItemCaptionMode(Tree.ITEM_CAPTION_MODE_PROPERTY);
tree.setItemCaptionPropertyId("caption");
tree.addListener(
new ItemClickEvent.ItemClickListener() {
@Override
public void itemClick(ItemClickEvent event) {
clickCounter++;
switch (event.getButton()) {
case LEFT:
log.log("Left Click");
break;
case RIGHT:
log.log("Right Click");
break;
case MIDDLE:
log.log("Middle Click");
break;
}
}
});
addComponent(tree);
addComponent(log);
}
@Override
protected Component createRightColumnContent() {
VerticalLayout layout = new VerticalLayout();
layout.setMargin(true);
layout.setSpacing(true);
VerticalLayout usersLayout = new VerticalLayout();
layout.addComponent(usersLayout);
usersLayout.addComponent(new Label("<h2>Správa kategorií</h2>", Label.CONTENT_XHTML));
usersLayout.addComponent(tree);
tree.setImmediate(true);
tree.setDragMode(TreeDragMode.NODE);
tree.setDropHandler(
new DropHandler() {
private static final long serialVersionUID = -5607799513535550687L;
public AcceptCriterion getAcceptCriterion() {
return AcceptAll.get();
}
public void drop(DragAndDropEvent dropEvent) {
Transferable data = dropEvent.getTransferable();
TreeTargetDetails dropData = ((TreeTargetDetails) dropEvent.getTargetDetails());
Object sourceItemId = ((DataBoundTransferable) data).getItemId();
Object targetItemId = dropData.getItemIdOver();
VerticalDropLocation location = dropData.getDropLocation();
moveNode(sourceItemId, targetItemId, location);
}
/** viz. http://demo.vaadin.com/sampler#DragDropTreeSorting */
/**
* Move a node within a tree onto, above or below another node depending on the drop
* location.
*
* @param sourceItemId id of the item to move
* @param targetItemId id of the item onto which the source node should be moved
* @param location VerticalDropLocation indicating where the source node was dropped
* relative to the target node
*/
private void moveNode(
final Object sourceItemId, final Object targetItemId, VerticalDropLocation location) {
final HierarchicalContainer container =
(HierarchicalContainer) tree.getContainerDataSource();
// Sorting goes as
// - If dropped ON a node, we append it as a child
// - If dropped on the TOP part of a node, we move/add it before
// the node
// - If dropped on the BOTTOM part of a node, we move/add it
// after the node
final Object parentItemId = container.getParent(targetItemId);
final NodeDTO parent = parentItemId == null ? null : (NodeDTO) parentItemId;
final NodeDTO source = (NodeDTO) sourceItemId;
final NodeDTO target = (NodeDTO) targetItemId;
switch (location) {
case MIDDLE:
// Přesunutí znamená rovnou přesun kategorie - v tom případě
// je potřeba vyhodit potvrzovací okno
addWindow(
new ConfirmSubwindow(
"Opravdu přesunout '"
+ source.getName()
+ "' do '"
+ target.getName()
+ "' ?") {
private static final long serialVersionUID = 414272650677665672L;
@Override
protected void onConfirm(ClickEvent event) {
if (nodeFacade.moveNode(source, target)) {
if (container.setParent(sourceItemId, targetItemId)
&& container.hasChildren(targetItemId)) {
// move first in the container
container.moveAfterSibling(sourceItemId, null);
}
CategoriesSettingsWindow.this.showInfo(
"Přesun kategorie proběhl úspěšně");
} else {
CategoriesSettingsWindow.this.showWarning(
"Nezdařilo se přesunout kategorii do vybraného místa");
}
}
});
break;
case TOP:
// Přesunutí znamená rovnou přesun kategorie - v tom případě
// je potřeba vyhodit potvrzovací okno
addWindow(
new ConfirmSubwindow(
"Opravdu přesunout '"
+ source.getName()
+ "' do "
+ (parentItemId == null
? "kořene sekce ?"
: ("'" + parent.getName() + "' ?"))) {
private static final long serialVersionUID = 414272650677665672L;
@Override
protected void onConfirm(ClickEvent event) {
if (nodeFacade.moveNode(source, parent)) {
if (container.setParent(sourceItemId, parentItemId)) {
// reorder only the two items, moving source
// above target
container.moveAfterSibling(sourceItemId, targetItemId);
container.moveAfterSibling(targetItemId, sourceItemId);
}
CategoriesSettingsWindow.this.showInfo(
"Přesun kategorie proběhl úspěšně");
} else {
CategoriesSettingsWindow.this.showWarning(
"Nezdařilo se přesunout kategorii do vybraného místa");
}
}
});
break;
case BOTTOM:
// Přesunutí znamená rovnou přesun kategorie - v tom případě
// je potřeba vyhodit potvrzovací okno
addWindow(
new ConfirmSubwindow(
"Opravdu přesunout '"
+ source.getName()
+ "' do "
+ (parentItemId == null
? "kořene sekce ?"
: ("'" + parent.getName() + "' ?"))) {
private static final long serialVersionUID = 414272650677665672L;
@Override
protected void onConfirm(ClickEvent event) {
if (nodeFacade.moveNode(source, parent)) {
if (container.setParent(sourceItemId, parentItemId)) {
container.moveAfterSibling(sourceItemId, targetItemId);
}
CategoriesSettingsWindow.this.showInfo(
"Přesun kategorie proběhl úspěšně");
} else {
CategoriesSettingsWindow.this.showWarning(
"Nezdařilo se přesunout kategorii do vybraného místa");
}
}
});
break;
}
}
});
tree.addListener(
new Property.ValueChangeListener() {
private static final long serialVersionUID = 191011037696709486L;
public void valueChange(ValueChangeEvent event) {
if (event.getProperty().getValue() != null) {
// If something is selected from the tree, get it's 'name'
// and
// insert it into the textfield
selectedNode.setValue((NodeDTO) event.getProperty().getValue());
panel.setCaption(panelCaptionPrefix + selectedNode.getValue().getName());
} else {
selectedNode.setValue(null);
panel.setCaption(panelCaptionPrefix + sectionRootCaption);
}
}
});
tree.addActionHandler(
new Action.Handler() {
private static final long serialVersionUID = -4835306347998186964L;
public void handleAction(Action action, Object sender, final Object target) {
final NodeDTO node = (NodeDTO) target;
if (action == ACTION_DELETE) {
addWindow(
new ConfirmSubwindow("Opravdu smazat kategorii '" + node.getName() + "' ?") {
private static final long serialVersionUID = 9193745051559434697L;
@Override
protected void onConfirm(ClickEvent event) {
if (!node.getContentNodes().isEmpty() || !node.getSubNodeIDs().isEmpty()) {
CategoriesSettingsWindow.this.showWarning("Kategorie musí být prázdná");
} else {
if (nodeFacade.deleteNode(node)) {
tree.removeItem(target);
CategoriesSettingsWindow.this.showInfo("Kategorie byla úspěšně smazána");
} else {
CategoriesSettingsWindow.this.showWarning(
"Nezdařilo se smazat vybranou kategorii");
}
}
}
});
} else if (action == ACTION_RENAME) {
final Window subwindow = new GrassSubWindow("Přejmenovat");
subwindow.center();
addWindow(subwindow);
GridLayout subWindowlayout = new GridLayout(2, 2);
subwindow.setContent(subWindowlayout);
subWindowlayout.setMargin(true);
subWindowlayout.setSpacing(true);
final TextField newNameField = new TextField("Nový název:");
newNameField.setValue(node.getName());
newNameField.setRequired(true);
newNameField.setRequiredError("Název kategorie nesmí být prázdný");
subWindowlayout.addComponent(newNameField, 0, 0, 1, 0);
Button confirm =
new Button(
"Přejmenovat",
new Button.ClickListener() {
private static final long serialVersionUID = 8490964871266821307L;
public void buttonClick(ClickEvent event) {
if (newNameField.isValid() == false) return;
if (nodeFacade.rename(node, (String) newNameField.getValue())) {
showInfo("Kategorie byla úspěšně přejmenována");
tree.getItem(node)
.getItemProperty(TreePropertyID.NÁZEV)
.setValue(newNameField.getValue());
node.setName((String) newNameField.getValue());
} else {
showWarning("Přejmenování se nezdařilo.");
}
(subwindow.getParent()).removeWindow(subwindow);
}
});
subWindowlayout.addComponent(confirm, 0, 1);
subWindowlayout.setComponentAlignment(confirm, Alignment.MIDDLE_CENTER);
Button close =
new Button(
"Storno",
new Button.ClickListener() {
private static final long serialVersionUID = 8490964871266821307L;
public void buttonClick(ClickEvent event) {
(subwindow.getParent()).removeWindow(subwindow);
}
});
subWindowlayout.addComponent(close, 1, 1);
subWindowlayout.setComponentAlignment(close, Alignment.MIDDLE_CENTER);
// Zaměř se na nové okno
subwindow.focus();
}
}
public Action[] getActions(Object target, Object sender) {
return ACTIONS;
}
});
createNewNodePanel(layout);
return layout;
}
public void init(final Window main) {
VerticalLayout mainLayout = new VerticalLayout();
main.setContent(mainLayout);
mainLayout.setSizeFull();
HorizontalLayout titlebar = new HorizontalLayout();
titlebar.addStyleName("titlebar");
titlebar.setWidth("100%");
Label title = new Label("Book of Vaadin Examples");
title.addStyleName("title");
titlebar.addComponent(title);
titlebar.setComponentAlignment(title, Alignment.MIDDLE_RIGHT);
Embedded logo = new Embedded(null, new ThemeResource("img/vaadin-logo.png"));
titlebar.addComponent(logo);
titlebar.setComponentAlignment(logo, Alignment.MIDDLE_RIGHT);
main.addComponent(titlebar);
HorizontalLayout hor = new HorizontalLayout();
hor.setSizeFull();
main.addComponent(hor);
mainLayout.setExpandRatio(hor, 1.0f);
final Panel menupanel = new Panel("Examples");
menupanel.addStyleName("menupanel");
menupanel.setWidth(null);
menupanel.setHeight("100%");
menupanel.getContent().setWidth(null);
// menupanel.getContent().setHeight("100%");
hor.addComponent(menupanel);
final Tree menu = new Tree();
menu.setWidth(null);
// menu.setHeight("100%");
menu.setImmediate(true);
menupanel.addComponent(menu);
final Panel viewpanel = new Panel("Selected Example");
viewpanel.addStyleName("viewpanel");
viewpanel.setSizeFull();
VerticalLayout viewlayout = new VerticalLayout();
viewlayout.addStyleName("viewlayout");
viewlayout.setSpacing(true);
viewlayout.setMargin(true);
viewpanel.setContent(viewlayout);
hor.addComponent(viewpanel);
hor.setExpandRatio(viewpanel, 1.0f);
WebApplicationContext ctx = (WebApplicationContext) getContext();
BookExampleLibrary library = BookExampleLibrary.getInstance(ctx.getBaseDirectory());
AbstractExampleItem[] examples = library.getAllExamples();
// Collect redirects here
final HashMap<String, String> redirects = new HashMap<String, String>();
// Collect examples here
final HashMap<String, CaptionedExampleItem> exampleitems =
new HashMap<String, CaptionedExampleItem>();
// Build the menu and collect redirections
for (int i = 0; i < examples.length; i++)
if (examples[i] instanceof BookExample || examples[i] instanceof ExampleCtgr) {
CaptionedExampleItem example = (CaptionedExampleItem) examples[i];
exampleitems.put(example.getExampleId(), example);
String itemid = example.getExampleId();
menu.addItem(itemid);
menu.setItemCaption(itemid, example.getShortName());
if (examples[i].getParentId() != null) menu.setParent(itemid, examples[i].getParentId());
} else if (examples[i] instanceof RedirctItem) {
RedirctItem redirect = (RedirctItem) examples[i];
redirects.put(redirect.getExampleId(), redirect.redirectid);
}
// Expand the menu
for (int i = 0; i < examples.length; i++) {
if (examples[i].getParentId() == null)
menu.expandItemsRecursively(examples[i].getExampleId());
if (examples[i].isCollapsed()) menu.collapseItem(examples[i].getExampleId());
if (menu.getChildren(examples[i].getExampleId()) == null)
menu.setChildrenAllowed(examples[i].getExampleId(), false);
}
// Set selected example as given in the URI fragment
final UriFragmentUtility urifu = new UriFragmentUtility();
urifu.addListener(
new FragmentChangedListener() {
private static final long serialVersionUID = -6588416218607827834L;
public void fragmentChanged(FragmentChangedEvent source) {
String fragment = source.getUriFragmentUtility().getFragment();
if (fragment != null) {
// Handle redirection
while (redirects.containsKey(fragment)) fragment = redirects.get(fragment);
menu.setValue(fragment);
// Open the tree nodes leading to the example
for (Object parent = menu.getParent(fragment);
parent != null;
parent = menu.getParent(parent)) menu.expandItem(parent);
}
}
});
mainLayout.addComponent(urifu);
// Handle menu selection
menu.addListener(
new Property.ValueChangeListener() {
private static final long serialVersionUID = 8236533959795019956L;
public void valueChange(ValueChangeEvent event) {
viewpanel.removeAllComponents();
String selection = (String) event.getProperty().getValue();
// Find the example
CaptionedExampleItem exampleItem = exampleitems.get(selection);
if (selection != null && exampleItem == null)
main.showNotification("Invalid item " + selection);
else if (exampleItem != null) {
if (exampleItem.getClass().isAssignableFrom(ExampleCtgr.class)) {
if (menu.hasChildren(exampleItem.getExampleId())) {
menu.select((String) menu.getChildren(exampleItem.getExampleId()).toArray()[0]);
}
} else { // A leaf
BookExample example = (BookExample) exampleItem;
// Load unless already loaded
WebApplicationContext ctx = (WebApplicationContext) getContext();
example.loadExample(ctx.getBaseDirectory());
if (example.getDescription() != null) {
Label descLabel = new Label(example.getDescription(), Label.CONTENT_XHTML);
descLabel.addStyleName("example-description");
viewpanel.addComponent(descLabel);
}
// The actual example component
viewpanel.addComponent(example.createInstance());
// Java sources on the left, CSS on the right
HorizontalLayout horizontalOrder = new HorizontalLayout();
horizontalOrder.addStyleName("sourcecontainer");
horizontalOrder.setSpacing(true);
horizontalOrder.setMargin(true);
Panel bookRefs = null;
Panel forumLinks = null;
Panel kbRefs = null;
List<SourceFragment> fragments = example.getSourceFragments();
if (fragments != null) {
// Java Sources are laid out vertically
VerticalLayout verticalListings = new VerticalLayout();
verticalListings.setSizeUndefined();
verticalListings.setSpacing(true);
horizontalOrder.addComponent(verticalListings);
// Find the widest source fragment
int widestIndex = 0;
int widestWidth = 0;
for (int fragmentNum = 0; fragmentNum < fragments.size(); fragmentNum++)
if (fragments.get(fragmentNum).getSrcWidth() > widestWidth) {
widestIndex = fragmentNum;
widestWidth = fragments.get(fragmentNum).getSrcWidth();
}
System.out.println("Widest listing: " + widestIndex + " which is " + widestWidth);
for (int fragmentNum = 0; fragmentNum < fragments.size(); fragmentNum++) {
SourceFragment fragment = fragments.get(fragmentNum);
// Have caption only in the beginning of the listings
String listingCaption = fragmentNum == 0 ? "Source Code" : "";
String srcurl =
"http://dev.vaadin.com/browser/doc/book-examples/trunk/src"
+ fragment.getSrcName();
SourceListing listing = new SourceListing(listingCaption, srcurl, fragment);
verticalListings.addComponent(listing);
// Use the width of the widest listing for all listings
if (fragmentNum == widestIndex) listing.setWidth(Sizeable.SIZE_UNDEFINED, 0);
else listing.setWidth("100%");
if (!fragment.getBookRefs().isEmpty()) {
bookRefs = new Panel("Book References");
bookRefs.setSizeUndefined();
for (Iterator<String> iter = fragment.getBookRefs().iterator();
iter.hasNext(); ) {
String ref = iter.next();
int hashPos = ref.indexOf('#');
String refFragment = "";
if (hashPos != -1) {
refFragment = "#" + ref.replace('#', '.');
ref = ref.substring(0, hashPos);
}
String bookUrl =
"http://vaadin.com/book/-/page/" + ref + ".html" + refFragment;
Link link = new Link(bookUrl, new ExternalResource(bookUrl));
link.setTargetName("_new");
bookRefs.addComponent(link);
}
}
if (!fragment.getForumLinks().isEmpty()) {
forumLinks = new Panel("Forum Messages");
forumLinks.setSizeUndefined();
for (Iterator<String> iter = fragment.getForumLinks().iterator();
iter.hasNext(); ) {
String url = iter.next();
Link link = new Link(url, new ExternalResource(url));
link.setTargetName("_new");
forumLinks.addComponent(link);
}
}
if (!fragment.getKbRefs().isEmpty()) {
kbRefs = new Panel("Pro Account Knowledge Base Articles");
kbRefs.setSizeUndefined();
for (Iterator<SourceFragment.Ref> iter = fragment.getKbRefs().iterator();
iter.hasNext(); ) {
SourceFragment.Ref ref = iter.next();
String url = "http://vaadin.com/knowledge-base#" + ref.ref;
Link link = new Link(ref.caption, new ExternalResource(url));
link.setTargetName("_new");
forumLinks.addComponent(link);
}
}
}
}
// Show associated CSS
if (example.getCssFragments() != null && example.getCssFragments().size() > 0) {
SourceFragment csscode = example.getCssFragments().get(0);
String srcurl =
"http://dev.vaadin.com/browser/doc/book-examples/trunk/WebContent/VAADIN/themes/book-examples/styles.css";
horizontalOrder.addComponent(new SourceListing("CSS Code", srcurl, csscode));
}
if (horizontalOrder.getComponentIterator().hasNext())
viewpanel.addComponent(horizontalOrder);
if (bookRefs != null) viewpanel.addComponent(bookRefs);
if (forumLinks != null) viewpanel.addComponent(forumLinks);
if (kbRefs != null) viewpanel.addComponent(kbRefs);
urifu.setFragment(example.getExampleId());
}
}
}
});
Tree.ItemStyleGenerator itemStyleGenerator =
new Tree.ItemStyleGenerator() {
private static final long serialVersionUID = -3231268865512947125L;
public String getStyle(Object itemId) {
// Chapter title items do not contain a period
if (!((String) itemId).contains(".")) return "chaptertitle";
return null;
}
};
menu.setItemStyleGenerator(itemStyleGenerator);
}
@Override
protected void setup() {
instance = this; // Note, test only works with single app per server if
// get()
// not converted to thread local
sp = new HorizontalSplitPanel();
sp.setSplitPosition(20);
CssLayout l = new CssLayout();
sp.setFirstComponent(l);
tree1 = new Tree("Volume 1");
tree1.setImmediate(true);
fs1 = new BeanItemContainer<File>(File.class);
tree1.setContainerDataSource(fs1);
for (int i = 0; i < files.length; i++) {
fs1.addBean(files[i]);
if (files[i] instanceof Folder) {
tree1.setChildrenAllowed(files[i], true);
} else {
tree1.setChildrenAllowed(files[i], false);
}
if (i >= files.length / 2) {
tree1.setParent(files[i], files[i - files.length / 2]);
}
}
tree1.setItemCaptionPropertyId("name");
tree1.setItemIconPropertyId("icon");
tree1.setDragMode(TreeDragMode.NODE);
DropHandler dropHandler =
new DropHandler() {
@Override
public AcceptCriterion getAcceptCriterion() {
return AcceptAll.get();
}
@Override
public void drop(DragAndDropEvent dropEvent) {
File file = null;
Folder folder = null;
TreeTargetDetails dropTargetData = (TreeTargetDetails) dropEvent.getTargetDetails();
folder = (Folder) dropTargetData.getItemIdInto();
if (dropEvent.getTransferable() instanceof DataBoundTransferable) {
DataBoundTransferable transferable =
(DataBoundTransferable) dropEvent.getTransferable();
file = (File) transferable.getItemId();
} else if (dropEvent.getTransferable().getSourceComponent() instanceof FileIcon) {
FileIcon draggedIcon = (FileIcon) dropEvent.getTransferable().getSourceComponent();
file = draggedIcon.file;
}
setParent(file, folder);
}
};
tree1.setDropHandler(dropHandler);
Handler actionHandler =
new Handler() {
private Action[] actions = new Action[] {new Action("Remove")};
@Override
public void handleAction(Action action, Object sender, Object target) {
ContainerHierarchicalWrapper containerDataSource =
(ContainerHierarchicalWrapper) tree1.getContainerDataSource();
containerDataSource.removeItemRecursively(target);
}
@Override
public Action[] getActions(Object target, Object sender) {
return actions;
}
};
tree1.addActionHandler(actionHandler);
tree1.addListener(
new Property.ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
Object value = event.getProperty().getValue();
if (value != null && !(value instanceof Folder)) {
value = tree1.getParent(value);
}
FolderView folderView = FolderView.get((Folder) value);
sp.setSecondComponent(folderView);
folderView.reload();
}
});
l.addComponent(tree1);
sp.setSecondComponent(FolderView.get(null));
getLayout().setSizeFull();
getLayout().addComponent(sp);
TestUtils.injectCSS(
getLayout().getUI(),
""
+ ".v-tree .v-icon {height:16px;} "
+ ".v-tree-node-caption-drag-top {/*border-top: none;*/} "
+ ".v-tree-node-caption-drag-bottom {border-bottom: none ;} "
+ ".v-tree-node-caption-drag-center {background-color: transparent;}"
+ ".v-tree-node-caption-dragfolder { background-color: cyan;} ");
}