Examples of org.openbp.jaspira.propertybrowser.nodes.CollectionNode

Package org.openbp.jaspira.propertybrowser.nodes

Examples of org.openbp.jaspira.propertybrowser.nodes.CollectionNode

org.openbp.jaspira.propertybrowser.nodes.CollectionNode
Property browser tree node that implements the parent node of a collection member of the object. @author Erich Lauterbach

  public AbstractNode addNewNode()
  {
    if (currentNode == null)
      return null;


    CollectionNode cdn = currentNode.getAssociatedCollectionNode();
    if (cdn == null)
    {
      // Node not associated with a collection, no popup menu
      return null;
    }


    // Get the node we refer to
    AbstractNode objectNode = cdn == currentNode ? currentNode : currentNode.getObjectNode();


    // Open the path to the collection
    TreePath path = getPathByNode(cdn);
    expandPath(path);


    // Add a new member
    AbstractNode newNode = cdn.addNewNodeAfter(objectNode, null);


    if (newNode != null)
    {
      // Open the new list member
      path = getPathByNode(newNode);

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      firePropertyBrowserEvent(new PropertyBrowserEvent(PropertyBrowserEvent.ELEMENT_DELETED, this, currentNode));
    }
    else
    {
      CollectionNode cdn = currentNode.getAssociatedCollectionNode();
      if (cdn == null)
      {
        // Node not associated with a collection, no popup menu
        return null;
      }


      // Get the node we refer to
      AbstractNode objectNode = currentNode.getObjectNode();


      // Make the collection node remove the element
      newCurrentNode = cdn.removeNode(objectNode);


      firePropertyBrowserEvent(new PropertyBrowserEvent(PropertyBrowserEvent.ELEMENT_DELETED, this, objectNode));
    }


    if (saveImmediately)

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    {
      // No clipboard data present
      return null;
    }


    CollectionNode cdn = currentNode.getAssociatedCollectionNode();


    if (cdn == null)
    {
      // Node not associated with a collection, no popup menu
      return null;
    }


    CollectionDescriptor cd = cdn.getCollectionDescriptor();
    Class elementClass = cd.getSafeTypeClass();
    DataFlavor elementFlavor = new DataFlavor(elementClass, elementClass.getName());


    // Try to get the type of element we need from the clipboard
    Object o = null;
    try
    {
      o = transferable.getTransferData(elementFlavor);
      o = CopyUtil.copyObject(o, Copyable.COPY_DEEP, null);
    }
    catch (UnsupportedFlavorException e)
    {
      // Do nothing
      return null;
    }
    catch (IOException e)
    {
      // Do nothing
      return null;
    }
    catch (CloneNotSupportedException e)
    {
      // Do nothing
      return null;
    }


    // Get the node we refer to
    AbstractNode objectNode = cdn == currentNode ? currentNode : currentNode.getObjectNode();


    // Open the path to the collection
    TreePath path = getPathByNode(cdn);
    expandPath(path);


    // Add a new member
    AbstractNode newNode = cdn.addNewNodeAfter(objectNode, o);


    firePropertyBrowserEvent(new PropertyBrowserEvent(PropertyBrowserEvent.ELEMENT_PASTED, this, newNode));


    if (newNode != null)
    {

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  protected void moveNodeUp()
  {
    if (currentNode == null)
      return;


    CollectionNode cdn = currentNode.getAssociatedCollectionNode();
    if (cdn == null)
    {
      // Node not associated with a collection, no popup menu
      return;
    }


    AbstractNode objectNode = currentNode.getObjectNode();
    cdn.moveNodeUp(objectNode);


    if (saveImmediately)
    {
      fireObjectModified();
      saveObject();

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  protected void moveNodeDown()
  {
    if (currentNode == null)
      return;


    CollectionNode cdn = currentNode.getAssociatedCollectionNode();
    if (cdn == null)
    {
      // Node not associated with a collection, no popup menu
      return;
    }


    AbstractNode objectNode = currentNode.getObjectNode();
    cdn.moveNodeDown(objectNode);


    if (saveImmediately)
    {
      fireObjectModified();
      saveObject();

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  /**
   * Updates the enabled state of the property browser's actions according to the current node.
   */
  protected void updateActionState()
  {
    CollectionNode cdn = currentNode != null ? currentNode.getAssociatedCollectionNode() : null;


    // Enable/disable actions


    // Add enabled if the collection descriptor allows it
    actions [ACTION_INDEX_ADD].setEnabled(cdn != null && cdn.allowsNodeAddition());


    // Copy enabled if we have an object selected
    actions [ACTION_INDEX_COPY].setEnabled(currentNode instanceof ObjectNode);


    // Cut enabled if we have an object selected and we can remove elements
    actions [ACTION_INDEX_CUT].setEnabled(cdn != null && cdn.allowsNodeRemoval() && cdn.getChildCount() > 0 && currentNode instanceof ObjectNode);


    // Paste enabled if we have an object selected and the current clipboard content
    // is compatible to the object class we manage in the currently selected collection.
    boolean canPaste = false;
    if (cdn != null && cdn.allowsNodeAddition())
    {
      Transferable transferable = ClipboardMgr.getInstance().getCurrentEntry();
      if (transferable != null)
      {
        CollectionDescriptor cd = cdn.getCollectionDescriptor();
        Class elementClass = cd.getSafeTypeClass();
        DataFlavor elementFlavor = new DataFlavor(elementClass, elementClass.getName());
        canPaste = transferable.isDataFlavorSupported(elementFlavor);
      }
    }
    actions [ACTION_INDEX_PASTE].setEnabled(canPaste);


    // Remove enabled if the collection descriptor allows it and the current node is either the collection
    // descriptor node or one of its direct successors
    actions [ACTION_INDEX_REMOVE].setEnabled(cdn != null && cdn.allowsNodeRemoval() && cdn.getChildCount() > 0 && (currentNode instanceof CollectionNode || currentNode instanceof ObjectNode));


    boolean canMoveUp = false;
    boolean canMoveDown = false;


    if (cdn != null && cdn != currentNode && cdn.allowsNodeReordering())
    {
      AbstractNode objectNode = currentNode.getObjectNode();


      int index = cdn.getChildIndex(objectNode);
      int n = cdn.getChildCount();


      canMoveUp = n > 1 && index > 0;
      canMoveDown = n > 1 && index < n - 1;
    }

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Related Classes of org.openbp.jaspira.propertybrowser.nodes.CollectionNode

org.openbp.common.generic.description.DescriptionObject

org.openbp.common.generic.propertybrowser.CollectionDescriptor

org.openbp.jaspira.propertybrowser.PropertyBrowserImpl

org.openbp.jaspira.propertybrowser.PropertyBrowserModel

java.util.ArrayList

java.lang.reflect.Method

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