Package com.vaadin.ui.AbstractSelect

Examples of com.vaadin.ui.AbstractSelect.AbstractSelectTargetDetails

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                TableTransferable transferable = (TableTransferable) event
                        .getTransferable();
                Item item = transferable.getSourceComponent().getItem(
                        transferable.getItemId());
                Object value = item.getItemProperty("value").getValue();
                AbstractSelectTargetDetails targetDetails = (AbstractSelectTargetDetails) event
                        .getTargetDetails();
                Object targetItemId = targetDetails.getItemIdOver();
                Object addItemAfter = target.addItemAfter(targetItemId);
                target.getItem(addItemAfter).getItemProperty("value")
                        .setValue(value);
                transferable.getSourceComponent().removeItem(
                        transferable.getItemId());
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                if (t.getSourceComponent() != tree
                        && t.getSourceComponent() != table) {
                    return;
                }

                AbstractSelectTargetDetails target = (AbstractSelectTargetDetails) event
                        .getTargetDetails();

                // Get ids of the dragged item and the target item
                Object sourceItemId = t.getData("itemId");
                Object targetItemId = target.getItemIdOver();

                // Do not allow drop on the item itself
                if (sourceItemId.equals(targetItemId)) {
                    return;
                }

                InventoryObject bean = null;
                if (sourceItemId instanceof BeanItem<?>) {
                    bean = (InventoryObject) ((BeanItem<?>) sourceItemId)
                            .getBean();
                } else if (sourceItemId instanceof InventoryObject) {
                    bean = (InventoryObject) sourceItemId;
                }

                // Remove the item from the source container
                t.getSourceContainer().removeItem(sourceItemId);

                // On which side of the target the item was dropped
                VerticalDropLocation location = target.getDropLocation();

                // The table was empty or otherwise not on an item
                if (targetItemId == null) {
                    tableContainer.addItem(bean); // Add to the end
                } else if (location == VerticalDropLocation.TOP) {
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                TableTransferable transferable = (TableTransferable) event
                        .getTransferable();
                Item item = transferable.getSourceComponent().getItem(
                        transferable.getItemId());
                Object value = item.getItemProperty("value").getValue();
                AbstractSelectTargetDetails targetDetails = (AbstractSelectTargetDetails) event
                        .getTargetDetails();
                Object targetItemId = targetDetails.getItemIdOver();
                Object addItemAfter = target.addItemAfter(targetItemId);
                target.getItem(addItemAfter).getItemProperty("value")
                        .setValue(value);
                transferable.getSourceComponent().removeItem(
                        transferable.getItemId());
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                /*
                 * As we also accept only drops on folders, we know dropDetails
                 * is from Tree and it contains itemIdOver.
                 */
                AbstractSelectTargetDetails details = (AbstractSelectTargetDetails) event
                        .getTargetDetails();
                Object idOver = details.getItemIdOver();
                tree1.setParent(itemId, idOver);

            }

            @Override
            public AcceptCriterion getAcceptCriterion() {
                return and;
            }
        };
        tree1.setDropHandler(dropHandler);

        /*
         * First step done. tree1 now accepts drags only from table and only
         * over tree nodes aka "folders"
         */

        /*
         * Now set the rightmost tree accept any item drag. On drop, copy from
         * source. Also make drags from tree1 possible.
         */

        dropHandler = new DropHandler() {
            @Override
            public void drop(DragAndDropEvent event) {
                AbstractSelectTargetDetails details = (AbstractSelectTargetDetails) event
                        .getTargetDetails();
                Transferable transferable = event.getTransferable();

                if (transferable instanceof DataBoundTransferable) {
                    DataBoundTransferable tr = (DataBoundTransferable) transferable;

                    Object itemId = tree2.addItem();
                    tree2.setParent(itemId, details.getItemIdOver());
                    if (tr.getSourceComponent() == tree1) {
                        // use item id from tree1 as caption
                        tree2.setItemCaption(itemId, (String) tr.getItemId());
                        // if comes from tree1, move subtree too
                        copySubTree(tr.getItemId(), itemId);
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                return crit;
            }

            @Override
            public void drop(DragAndDropEvent dropEvent) {
                AbstractSelectTargetDetails dropTargetData = (AbstractSelectTargetDetails) dropEvent
                        .getTargetDetails();
                DataBoundTransferable transferable = (DataBoundTransferable) dropEvent
                        .getTransferable();
                Object itemIdOver = dropTargetData.getItemIdOver();
                Object itemId = transferable.getItemId();
                if (itemId == null || itemIdOver == null
                        || itemId.equals(itemIdOver)) {
                    return; // no move happened
                }
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                return VerticalLocationIs.MIDDLE;
            }

            @Override
            public void drop(DragAndDropEvent event) {
                AbstractSelectTargetDetails targetDetails = (AbstractSelectTargetDetails) event
                        .getTargetDetails();
                VerticalDropLocation dropLocation = targetDetails
                        .getDropLocation();
                log.log("Drop at " + dropLocation + " relative to "
                        + targetDetails.getItemIdOver());
            }
        });

        addComponent(table);
        addComponent(new Button("Scroll body", new Button.ClickListener() {
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                return crit;
            }

            @Override
            public void drop(DragAndDropEvent dropEvent) {
                AbstractSelectTargetDetails dropTargetData = (AbstractSelectTargetDetails) dropEvent
                        .getTargetDetails();
                DataBoundTransferable transferable = (DataBoundTransferable) dropEvent
                        .getTransferable();
                Object itemIdOver = dropTargetData.getItemIdOver();
                Object itemId = transferable.getItemId();
                if (itemId == null || itemIdOver == null
                        || itemId.equals(itemIdOver)) {
                    return; // no move happened
                }

                // IndexedContainer goodies... (hint: don't use it in real apps)
                IndexedContainer containerDataSource = (IndexedContainer) table
                        .getContainerDataSource();
                int newIndex = containerDataSource.indexOfId(itemIdOver) - 1;
                if (dropTargetData.getDropLocation() != VerticalDropLocation.TOP) {
                    newIndex++;
                }
                if (newIndex < 0) {
                    newIndex = 0;
                }
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                        .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);
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                return crit;
            }

            @Override
            public void drop(DragAndDropEvent dropEvent) {
                AbstractSelectTargetDetails dropTargetData = (AbstractSelectTargetDetails) dropEvent
                        .getTargetDetails();
                DataBoundTransferable transferable = (DataBoundTransferable) dropEvent
                        .getTransferable();
                Object itemIdOver = dropTargetData.getItemIdOver();
                Object itemId = transferable.getItemId();
                if (itemId == null || itemIdOver == null
                        || itemId.equals(itemIdOver)) {
                    return; // no move happened
                }

                // IndexedContainer goodies... (hint: don't use it in real apps)
                IndexedContainer containerDataSource = (IndexedContainer) table
                        .getContainerDataSource();
                int newIndex = containerDataSource.indexOfId(itemIdOver) - 1;
                if (dropTargetData.getDropLocation() != VerticalDropLocation.TOP) {
                    newIndex++;
                }
                if (newIndex < 0) {
                    newIndex = 0;
                }
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            public void drop(DragAndDropEvent event) {
                DataBoundTransferable t = (DataBoundTransferable) event
                        .getTransferable();
                Object dragged = t.getItemId();

                AbstractSelectTargetDetails dropData = ((AbstractSelectTargetDetails) event
                        .getTargetDetails());
                Object target = dropData.getItemIdOver();

                if (dragged == target || target == null) {
                    return;
                }
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Related Classes of com.vaadin.ui.AbstractSelect.AbstractSelectTargetDetails

  • com.vaadin.tests.components.table.TableClickAndDragOnIconAndComponents
  • com.vaadin.tests.components.TouchScrollables
  • com.vaadin.tests.components.tree.TreeDragAndDropFromTable
  • com.vaadin.tests.dd.DDTest2
  • com.vaadin.tests.dd.DDTest4
  • com.vaadin.tests.dd.DDTest7
  • com.vaadin.tests.dd.NotPaintedAcceptSource
  • com.vaadin.tests.dd.NotPaintedAcceptSourceInTabSheet
  • com.vaadin.tests.dd.ScrolledDropTarget
  • com.vaadin.tests.dd.TreeDragStart
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