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* Licensed to the Apache Software Foundation (ASF) under one or more
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*/
module com { module sun { module star { module awt { module tree {
/** An interface to a control that displays a set of hierarchical data as an outline.
@see TreeControl
*/
interface XTreeControl
{
/** This interfaces provides access to the selection of tree nodes for this control.
<p>valid selection values for this interface are
XTreeNode or sequence<XTreeNode>.</p>
::com::sun::star::view::XSelectionSupplier::getSelection()
returns an empty any for no selection, an any with XTreeNode for
a single selection and a sequence<XTreeNode> for a multiselection.
*/
interface ::com::sun::star::view::XMultiSelectionSupplier;
// expanding/collapsing/visible
/** Returns `TRUE` if <var>Node</var> is currently expanded.
@param Node
the XTreeNode specifying the node to check.
@returns
`FALSE` if <var>Node</var> or at least one of its parent nodes are collapsed,
`TRUE` if <var>Node</var> and all of its parent nodes are expanded.
@throws ::com::sun::star::lang::IllegalArgumentException
if <var>Node</var> is not a valid node of the corresponding XTreeDataModel.
*/
boolean isNodeExpanded( [in] XTreeNode Node )
raises( ::com::sun::star::lang::IllegalArgumentException );
/** Returns `TRUE` if <var>Node</var> is currently collapsed.
@param Node
the XTreeNode specifying the node to check
@returns
`TRUE` if <var>Node</var> or at least one of its parent nodes are collapsed,
`FALSE` if <var>Node</var> and all of its parent nodes are expanded
@throws ::com::sun::star::lang::IllegalArgumentException
if <var>Node</var> is not a valid node of the corresponding XTreeDataModel.
*/
boolean isNodeCollapsed( [in] XTreeNode Node )
raises( ::com::sun::star::lang::IllegalArgumentException );
/** Ensures that <var>Node</var> is currently visible.
<p>This includes expanding all parent nodes and scroll the control so this
node is visible in the controls display area.</p>
@param Node
the XTreeNode specifying the node to make visible.
@throws ::com::sun::star::lang::IllegalArgumentException
if <var>Node</var> is not a valid node of the corresponding XTreeDataModel.
@throws ExpandVetoException
if <var>Node</var>can't be made visible since at least one of the parent nodes are
collapsed and expanding failed because at least one of the registered
XTreeExpansionListener raised an ExpandVetoException.
*/
void makeNodeVisible( [in] XTreeNode Node )
raises( com::sun::star::lang::IllegalArgumentException, ExpandVetoException );
/** Returns `TRUE` if <var>Node</var> is currently visible.
<p>Visible means it is either the root or all of its parents are expanded.</p>
@returns
`TRUE` if <var>Node</var> is visible, otherwise `FALSE`
@throws ::com::sun::star::lang::IllegalArgumentException
if <var>Node</var> is not a valid node of the corresponding XTreeDataModel.
*/
boolean isNodeVisible( [in] XTreeNode Node )
raises( com::sun::star::lang::IllegalArgumentException );
/** Ensures that <var>Node</var> is expanded and visible.
<p>If <var>Node</var> is a leaf node, this will have no effect.</p>
@param Node
the XTreeNode identifying a node.
@throws ::com::sun::star::lang::IllegalArgumentException
if <var>Node</var> is not a valid node of the corresponding XTreeDataModel.
@throws ExpandVetoException
if expanding <var>Node</var> failed because at least one of the registered
XTreeExpansionListener raised an ExpandVetoException.
*/
void expandNode( [in] XTreeNode Node )
raises( com::sun::star::lang::IllegalArgumentException, ExpandVetoException );
/** Ensures that <var>Node</var> is collapsed.
@param Node
the XTreeNode identifying a node
@throws ::com::sun::star::lang::IllegalArgumentException
if <var>Node</var> is not a valid node of the corresponding XTreeDataModel.
@throws ExpandVetoException
if collapsing <var>Node</var> failed because at least one of the registered
XTreeExpansionListener raised an ExpandVetoException.
*/
void collapseNode( [in] XTreeNode Node )
raises( com::sun::star::lang::IllegalArgumentException, ExpandVetoException );
/** Adds a listener for TreeExpansion events.
@param Listener
a XTreeExpansionListener that will be notified when a tree
node is expanded or collapsed.
*/
void addTreeExpansionListener( [in] XTreeExpansionListener Listener );
/** Removes a listener for TreeExpansion events.
@param Listener
the XTreeExpansionListener to remove.
*/
void removeTreeExpansionListener( [in] XTreeExpansionListener Listener );
/** If the given URL points to a loadable graphic, the graphic is rendered
before expanded non leaf nodes.
<p>This can be overridden for individual nodes by XTreeNode::getExpandedGraphicURL()</p>
*/
[attribute] string DefaultExpandedGraphicURL;
/** If the given URL points to a loadable graphic, the graphic is rendered
before collapsed non leaf nodes.
<p>This can be overridden for individual nodes by XTreeNode::getCollapsedGraphicURL()</p>
*/
[attribute] string DefaultCollapsedGraphicURL;
// tree geometry
/** Returns the node at the specified location.
@param x
an integer giving the number of pixels horizontally from the left edge of the controls display a
rea
@param y
an integer giving the number of pixels vertically from the top edge of the controls display area
@returns
the XTreeNode for the node at that location, or 0 if there is no node at the given position
*/
XTreeNode getNodeForLocation( [in] long x, [in] long y );
/** Returns the node that is closest to x,y.
<p>If no nodes are currently viewable, or there is no model, returns null,
otherwise it always returns a valid node. To test if the node is exactly
at x, y, use getNodeForLocation().
@param x
an integer giving the number of pixels horizontally from the left edge of the controls display area
@param y
an integer giving the number of pixels vertically from the top edge of the controls display area
@returns
the XTreeNode for the node closest to that location, null if nothing is viewable or there is no model
*/
XTreeNode getClosestNodeForLocation( [in] long x, [in] long y );
/** returns the rectangle occupied by the visual representation of the given node
@param Node
the node whose geometry should be obtained
@throws ::com::sun::star::lang::IllegalArgumentException
if the given node is `NULL`, or does not belong to the tree's data model
*/
::com::sun::star::awt::Rectangle
getNodeRect( [in] XTreeNode Node )
raises( ::com::sun::star::lang::IllegalArgumentException );
// tree editing
/** Returns `TRUE` if one of tree's nodes is being currently edited.
<p>The node that is being edited can be obtained using com::sun::star::view::XSelectionSupplier::getSelection().
@returns
`TRUE` if the user is currently editing a node
*/
boolean isEditing();
/** Ends the current editing session.
<p>All registered XTreeEditListener are notified if an editing session was in progress</p>
<p>Has no effect if the tree isn't being edited.</p>
@returns
`TRUE` if editing was in progress and is now stopped, `FALSE` if editing was not in progress
*/
boolean stopEditing();
/** Cancels the current editing session.
<p>Has no effect if the tree isn't being edited.</p>
*/
void cancelEditing();
/** Selects <var>Node</var> and initiates editing.
<p>If TreeControlModel::Editable is `FALSE` or if there are no
registered XTreeEditListener, this call has no effect.</p>
<p>Calling this method also ensures that <var>Node</var> will become visible.</p>
@param Node
the XTreeNode identifying a node.
@throws ::com::sun::star::lang::IllegalArgumentException
if <var>Node</var> is not a valid node of the corresponding XTreeDataModel.
*/
void startEditingAtNode( [in] XTreeNode Node )
raises( ::com::sun::star::lang::IllegalArgumentException );
/** Adds a XTreeEditListener.
@param Listener
a XTreeEditListener that will be notified
before and after a tree node is edited.
*/
void addTreeEditListener( [in] XTreeEditListener Listener );
/** Removes a XTreeEditListener.
@param Listener
the XTreeEditListener to remove
*/
void removeTreeEditListener( [in] XTreeEditListener Listener );
};
}; }; }; }; };
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