Example usage for com.google.gwt.user.client.ui TreeItem getUserObject

List of usage examples for com.google.gwt.user.client.ui TreeItem getUserObject

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Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui TreeItem getUserObject.

Prototype

public Object getUserObject()

Source Link

Document

Gets the user-defined object associated with this item.

Usage

From source file:cc.alcina.framework.gwt.client.ide.node.CollectionRenderingSupport.java

License:Apache License

public void refreshChildren(boolean lazy) {
    if (lazy && lazyRefresh && !item.getState()) {
        return;//from   www .j a  va  2 s. c o  m
    }
    Map<Object, TreeItem> existingObjects = new LinkedHashMap<Object, TreeItem>();
    for (int i = 0; i < item.getChildCount(); i++) {
        TreeItem child = item.getChild(i);
        if (child != null) {
            existingObjects.put(child.getUserObject(), child);
        }
    }
    Collection objects = getCollection();
    if (objects == null || objects.isEmpty()) {
        if (!existingObjects.isEmpty()) {
            item.removeItems();
        }
        return;
    }
    if (volatileOrder) {
        if (!existingObjects.isEmpty()) {
            item.removeItems();
            existingObjects.clear();
        }
    }
    List currentObjects = new ArrayList(objects);
    Object o = currentObjects.get(0);
    if (comparator != null) {
        Collections.sort(currentObjects, comparator);
    } else if (o instanceof Comparable) {
        Collections.sort(currentObjects);
    }
    if ((o instanceof Comparable) && CollectionRenderingSupport.REDRAW_CHILDREN_ON_ORDER_CHANGE
            && existingObjects.size() == currentObjects.size()) {
        List existingOrderedObjects = new ArrayList(existingObjects.keySet());
        List currentOrderedObjects = new ArrayList(currentObjects);
        Collections.sort(existingOrderedObjects);
        Collections.sort(currentOrderedObjects);
        if (!currentOrderedObjects.equals(existingOrderedObjects)) {
            existingObjects.clear();
            this.item.removeItems();
        }
    }
    int i1 = 0, i2 = 0;
    // find next common object, run the indexes up to it. if -1, run indexes
    // to end
    List existingList = new ArrayList(existingObjects.keySet());
    while (i1 < existingObjects.size() || i2 < currentObjects.size()) {
        int[] nextCommon = nextCommonObject(existingList, currentObjects, i1, i2);
        for (; i1 < nextCommon[0]; i1++) {
            this.item.removeItem(existingObjects.get(existingList.get(i1)));
        }
        for (; i2 < nextCommon[1]; i2++) {
            // if there were an "insertItem" on the tree API, this'd be
            // where we'd use it...
            // well..there is...but anyway (did someone slip that in?) -
            // anyway, adding at end is sometimes
            // nicer UI-wise
            item.addItem(getNodeFactory().getNodeForObject(currentObjects.get(i2)));
        }
        i1++;
        i2++;
    }
}

From source file:cc.alcina.framework.gwt.client.ide.node.UmbrellaProviderNode.java

License:Apache License

@Override
public boolean filter(String filterText, boolean enforceVisible) {
    boolean top = getParentItem() == null;
    if (filterText.length() < provider.getMinFilterableLength()) {
        TreeItem selectedItem = getTree().getSelectedItem();
        Object selectedObject = selectedItem == null ? null : selectedItem.getUserObject();
        provider.filter("");
        removeItems();/*from  w w  w . j  a v a 2s  .com*/
        support.setDirty(true);
        if (selectedObject != null) {
            openToObject(selectedObject);
        } else {
            setState(true, false);
        }
        return true;
    } else {
        provider.filter(filterText);
    }
    boolean show = !provider.getCollection().isEmpty();
    if (show) {
        support.setDirty(true);
        setState(true, false);
        filterChildren(filterText);
    } else {
        if (top) {
            filterChildren(filterText);
        } else {
            dummy();
        }
    }
    setVisible(show || top);
    return show;
}

From source file:cc.alcina.framework.gwt.client.ide.node.UmbrellaProviderNode.java

License:Apache License

protected boolean openToObject(Object userObject) {
    setState(true, false);//  w ww.jav a  2s .c  om
    for (int i = 0; i < getChildCount(); i++) {
        TreeItem child = getChild(i);
        Object childObject = child.getUserObject();
        if (childObject == userObject) {
            getTree().setSelectedItem(child);
            getTree().ensureSelectedItemVisible();
            DOM.scrollIntoView(child.getElement());
            return true;
        }
        if (child instanceof UmbrellaProviderNode) {
            UmbrellaProviderNode upn = (UmbrellaProviderNode) child;
            if (upn.provider.containsObject(userObject)) {
                return upn.openToObject(userObject);
            }
        }
    }
    return false;
}

From source file:cc.alcina.framework.gwt.client.ide.widget.DataTree.java

License:Apache License

public TreeItem getNodeForObject(final Object obj) {
    result = null;//from   w  w w  .  j  av  a2s  .co  m
    final boolean classNameTest = (obj instanceof String);
    Callback<TreeItem> callback = new Callback<TreeItem>() {
        public void apply(TreeItem target) {
            Object userObject = target.getUserObject();
            if (userObject != null) {
                if ((classNameTest && userObject.getClass().getName().replace("$", ".").equals(obj))
                        || Objects.equals(obj, userObject)) {
                    result = target;
                }
            }
        }
    };
    new TreeNodeWalker().walk(this, callback);
    return result;
}

From source file:client.template.TreeMenu.java

License:Open Source License

/**
 * Constructor. Build the Tree Menu//  w w w.j  a va 2 s  .  c o  m
 */
public TreeMenu() {
    final TreeImages images = (TreeImages) GWT.create(NspTreeImages.class);
    this.tree = new Tree(images);

    this.treeListener = new TreeListener() {
        public void onTreeItemSelected(final TreeItem item) {
            if (item.getUserObject() != null) {
                ManagementGui.get().displayItem(item.getUserObject());
            } else {
                ManagementGui.get().displayItem(new DefaultPage("Welcome to Phosphorus WP1 Administrator Gui",
                        "Please select any Subitem"));
            }
        }

        public void onTreeItemStateChanged(final TreeItem item) {

        }
    };

    this.tree.addTreeListener(this.treeListener);
    this.initWidget(this.tree);
}

From source file:com.audata.client.admin.ClassificationPanel.java

License:Open Source License

/**
 * Called when a TreeItem in the classification
 * hierarchy is selected. Attempts to load any child classes
 *//* ww w.  ja  va2 s. c o m*/
public void onTreeItemSelected(TreeItem item) {
    TreeNodeType nt = (TreeNodeType) item.getUserObject();
    this.selectedUUID = nt.uuid;
    this.isNew = false;
    JSONArray params = new JSONArray();
    params.set(0, new JSONString(this.selectedUUID));
    AuDoc.jsonCall.asyncPost2("Recman.getClass", params, new ClassResponseHandler(this));
}

From source file:com.audata.client.admin.KeywordPanel.java

License:Open Source License

/**
 * Called when a TreeItem is selected.//w  w  w .  j  ava2 s . c o  m
 * Attempts to obtain child levels
 */
public void onTreeItemSelected(TreeItem item) {
    HashMap nt = (HashMap) item.getUserObject();

    this.selectedUUID = (String) nt.get("uuid");
    this.isNew = false;
    this.name.setText((String) nt.get("name"));
}

From source file:com.audata.client.classification.ClassBrowser.java

License:Open Source License

public void onTreeItemSelected(TreeItem item) {
    this.selected = item;
    TreeNodeType nt = (TreeNodeType) item.getUserObject();
    if (nt.hasChildren) {
        this.getClasses(nt.uuid);
    } else {/*from w ww.  ja  va 2 s.c o m*/
        if (this.audoc != null) {
            this.getRecords(nt.uuid, nt.name);
        }
    }
}

From source file:com.audata.client.classification.PopUpClassBrowser.java

License:Open Source License

public void onTreeItemSelected(TreeItem item) {
    TreeNodeType nt = (TreeNodeType) item.getUserObject();
    if (!nt.hasChildren) {
        this.setValues(item.getText(), nt.uuid);
        this.hide();
    }// w w  w.ja  va  2 s.c  om
}

From source file:com.audata.client.Keyword.KeywordBrowser.java

License:Open Source License

public void onTreeItemSelected(TreeItem item) {
    this.selected = item;
    HashMap nt = (HashMap) item.getUserObject();
    Boolean hasChildren = (Boolean) nt.get("hasChildren");
    if (hasChildren.booleanValue()) {
        this.getKeywords((String) nt.get("uuid"));
    }//from  w  ww. j  a  v a 2  s  .c o  m
}