@Override
protected void setup() {
HorizontalLayout h = new HorizontalLayout();
addComponent(h);
Table table = new Table();
table.addContainerProperty("Column 1", String.class, "Row");
table.setDragMode(TableDragMode.ROW);
table.addItem("Row 1");
table.addItem("Row 2");
table.addItem("Row 3");
table.addItem("Row 4");
table.addItem("Row 5");
table.addItem("Row 6");
table.addItem("Row 7");
h.addComponent(table);
final Tree tree = new Tree();
tree.setDropHandler(
new DropHandler() {
public AcceptCriterion getAcceptCriterion() {
return TargetItemAllowsChildren.get();
}
public void drop(DragAndDropEvent dropEvent) {
// criteria verify that this is safe
DataBoundTransferable t = (DataBoundTransferable) dropEvent.getTransferable();
Container sourceContainer = t.getSourceContainer();
Object sourceItemId = t.getItemId();
System.out.println(sourceItemId);
AbstractSelectTargetDetails dropData =
((AbstractSelectTargetDetails) dropEvent.getTargetDetails());
Object targetItemId = dropData.getItemIdOver();
// move item from table to category'
tree.addItem(sourceItemId);
tree.setParent(sourceItemId, targetItemId);
tree.setChildrenAllowed(sourceItemId, false);
sourceContainer.removeItem(sourceItemId);
}
});
tree.addItem("Item 1");
tree.addItem("Item 11");
tree.setChildrenAllowed("Item 11", false);
tree.setParent("Item 11", "Item 1");
tree.addItem("Item 12");
tree.setChildrenAllowed("Item 12", false);
tree.setParent("Item 12", "Item 1");
tree.addItem("Item 13");
tree.setChildrenAllowed("Item 13", false);
tree.setParent("Item 13", "Item 1");
tree.addItem("Item 2");
tree.addItem("Item 21");
tree.setChildrenAllowed("Item 21", false);
tree.setParent("Item 21", "Item 2");
tree.addItem("Item 22");
tree.setChildrenAllowed("Item 22", false);
tree.setParent("Item 22", "Item 2");
tree.addItem("Item 23");
tree.setChildrenAllowed("Item 23", false);
tree.setParent("Item 23", "Item 2");
tree.addItem("Item 3");
tree.addItem("Item 31");
tree.setChildrenAllowed("Item 31", false);
tree.setParent("Item 31", "Item 3");
tree.addItem("Item 32");
tree.setChildrenAllowed("Item 32", false);
tree.setParent("Item 32", "Item 3");
tree.addItem("Item 33");
tree.setChildrenAllowed("Item 33", false);
tree.setParent("Item 33", "Item 3");
tree.expandItemsRecursively("Item 1");
tree.expandItemsRecursively("Item 2");
tree.expandItemsRecursively("Item 3");
h.addComponent(tree);
}
@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;
}
@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;} ");
}