abstractlayoutcache.html

API資料大全

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<A NAME="getPreferredHeight()"><!-- --></A><H3>
getPreferredHeight</H3>
<PRE>
public int <B>getPreferredHeight</B>()</PRE>
<DL>
<DD>Returns the preferred height.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getPreferredWidth(java.awt.Rectangle)"><!-- --></A><H3>
getPreferredWidth</H3>
<PRE>
public int <B>getPreferredWidth</B>(<A HREF="../../../java/awt/Rectangle.html">Rectangle</A>&nbsp;bounds)</PRE>
<DL>
<DD>Returns the preferred width for the passed in region. If
 <code>bounds</code> is null, the preferred width for all the nodes
 will be returned (and this may be VERY expensive).<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="isExpanded(javax.swing.tree.TreePath)"><!-- --></A><H3>
isExpanded</H3>
<PRE>
public abstract boolean <B>isExpanded</B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A>&nbsp;path)</PRE>
<DL>
<DD>Returns true if the value identified by row is currently expanded.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getBounds(javax.swing.tree.TreePath, java.awt.Rectangle)"><!-- --></A><H3>
getBounds</H3>
<PRE>
public abstract <A HREF="../../../java/awt/Rectangle.html">Rectangle</A> <B>getBounds</B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A>&nbsp;path,
                                    <A HREF="../../../java/awt/Rectangle.html">Rectangle</A>&nbsp;placeIn)</PRE>
<DL>
<DD>Returns a rectangle giving the bounds needed to draw path.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>path</CODE> - a TreePath specifying a node<DD><CODE>placeIn</CODE> - a Rectangle object giving the available space<DT><B>Returns:</B><DD>a Rectangle object specifying the space to be used</DL>
</DD>
</DL>
<HR>

<A NAME="getPathForRow(int)"><!-- --></A><H3>
getPathForRow</H3>
<PRE>
public abstract <A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A> <B>getPathForRow</B>(int&nbsp;row)</PRE>
<DL>
<DD>Returns the path for passed in row.  If row is not visible
 null is returned.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getRowForPath(javax.swing.tree.TreePath)"><!-- --></A><H3>
getRowForPath</H3>
<PRE>
public abstract int <B>getRowForPath</B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A>&nbsp;path)</PRE>
<DL>
<DD>Returns the row that the last item identified in path is visible
 at.  Will return -1 if any of the elements in path are not
 currently visible.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getPathClosestTo(int, int)"><!-- --></A><H3>
getPathClosestTo</H3>
<PRE>
public abstract <A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A> <B>getPathClosestTo</B>(int&nbsp;x,
                                          int&nbsp;y)</PRE>
<DL>
<DD>Returns the path to the node that is closest to x,y.  If
 there is nothing currently visible this will return null, otherwise
 it'll always return a valid path.  If you need to test if the
 returned object is exactly at x, y you should get the bounds for
 the returned path and test x, y against that.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getVisiblePathsFrom(javax.swing.tree.TreePath)"><!-- --></A><H3>
getVisiblePathsFrom</H3>
<PRE>
public abstract <A HREF="../../../java/util/Enumeration.html">Enumeration</A> <B>getVisiblePathsFrom</B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A>&nbsp;path)</PRE>
<DL>
<DD>Returns an Enumerator that increments over the visible paths
 starting at the passed in location. The ordering of the enumeration
 is based on how the paths are displayed. The first element of the
 returned enumeration will be path, unless it isn't visible, in
 which case null will be returned.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getVisibleChildCount(javax.swing.tree.TreePath)"><!-- --></A><H3>
getVisibleChildCount</H3>
<PRE>
public abstract int <B>getVisibleChildCount</B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A>&nbsp;path)</PRE>
<DL>
<DD>Returns the number of visible children for row.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="setExpandedState(javax.swing.tree.TreePath, boolean)"><!-- --></A><H3>
setExpandedState</H3>
<PRE>
public abstract void <B>setExpandedState</B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A>&nbsp;path,
                                      boolean&nbsp;isExpanded)</PRE>
<DL>
<DD>Marks the path <code>path</code> expanded state to
 <code>isExpanded</code>.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getExpandedState(javax.swing.tree.TreePath)"><!-- --></A><H3>
getExpandedState</H3>
<PRE>
public abstract boolean <B>getExpandedState</B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A>&nbsp;path)</PRE>
<DL>
<DD>Returns true if the path is expanded, and visible.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getRowCount()"><!-- --></A><H3>
getRowCount</H3>
<PRE>
public abstract int <B>getRowCount</B>()</PRE>
<DL>
<DD>Number of rows being displayed.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="invalidateSizes()"><!-- --></A><H3>
invalidateSizes</H3>
<PRE>
public abstract void <B>invalidateSizes</B>()</PRE>
<DL>
<DD>Informs the TreeState that it needs to recalculate all the sizes
 it is referencing.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="invalidatePathBounds(javax.swing.tree.TreePath)"><!-- --></A><H3>
invalidatePathBounds</H3>
<PRE>
public abstract void <B>invalidatePathBounds</B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A>&nbsp;path)</PRE>
<DL>
<DD>Instructs the LayoutCache that the bounds for <code>path</code>
 are invalid, and need to be updated.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="treeNodesChanged(javax.swing.event.TreeModelEvent)"><!-- --></A><H3>
treeNodesChanged</H3>
<PRE>
public abstract void <B>treeNodesChanged</B>(<A HREF="../../../javax/swing/event/TreeModelEvent.html">TreeModelEvent</A>&nbsp;e)</PRE>
<DL>
<DD><p>Invoked after a node (or a set of siblings) has changed in some
 way. The node(s) have not changed locations in the tree or
 altered their children arrays, but other attributes have
 changed and may affect presentation. Example: the name of a
 file has changed, but it is in the same location in the file
 system.</p>

 <p>e.path() returns the path the parent of the changed node(s).</p>

 <p>e.childIndices() returns the index(es) of the changed node(s).</p><DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="treeNodesInserted(javax.swing.event.TreeModelEvent)"><!-- --></A><H3>
treeNodesInserted</H3>
<PRE>
public abstract void <B>treeNodesInserted</B>(<A HREF="../../../javax/swing/event/TreeModelEvent.html">TreeModelEvent</A>&nbsp;e)</PRE>
<DL>
<DD><p>Invoked after nodes have been inserted into the tree.</p>

 <p>e.path() returns the parent of the new nodes
 <p>e.childIndices() returns the indices of the new nodes in
 ascending order.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="treeNodesRemoved(javax.swing.event.TreeModelEvent)"><!-- --></A><H3>
treeNodesRemoved</H3>
<PRE>
public abstract void <B>treeNodesRemoved</B>(<A HREF="../../../javax/swing/event/TreeModelEvent.html">TreeModelEvent</A>&nbsp;e)</PRE>
<DL>
<DD><p>Invoked after nodes have been removed from the tree.  Note that
 if a subtree is removed from the tree, this method may only be
 invoked once for the root of the removed subtree, not once for
 each individual set of siblings removed.</p>

 <p>e.path() returns the former parent of the deleted nodes.</p>

 <p>e.childIndices() returns the indices the nodes had before they were deleted in ascending order.</p><DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="treeStructureChanged(javax.swing.event.TreeModelEvent)"><!-- --></A><H3>
treeStructureChanged</H3>
<PRE>
public abstract void <B>treeStructureChanged</B>(<A HREF="../../../javax/swing/event/TreeModelEvent.html">TreeModelEvent</A>&nbsp;e)</PRE>
<DL>
<DD><p>Invoked after the tree has drastically changed structure from a
 given node down.  If the path returned by e.getPath() is of length
 one and the first element does not identify the current root node
 the first element should become the new root of the tree.<p>

 <p>e.path() holds the path to the node.</p>
 <p>e.childIndices() returns null.</p><DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getRowsForPaths(javax.swing.tree.TreePath[])"><!-- --></A><H3>
getRowsForPaths</H3>
<PRE>
public int[] <B>getRowsForPaths</B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A>[]&nbsp;paths)</PRE>
<DL>
<DD>Returns the rows that the TreePath instances in <code>path</code>
 are being displayed at. The receiver should return an array of
 the same length as that passed in, and if one of the TreePaths
 in <code>path</code> is not valid its entry in the array should
 be set to -1.<DD><DL>
<DT><B>Specified by: </B><DD><CODE><A HREF="../../../javax/swing/tree/RowMapper.html#getRowsForPaths(javax.swing.tree.TreePath[])">getRowsForPaths</A></CODE> in interface <CODE><A HREF="../../../javax/swing/tree/RowMapper.html">RowMapper</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getNodeDimensions(java.lang.Object, int, int, boolean, java.awt.Rectangle)"><!-- --></A><H3>
getNodeDimensions</H3>
<PRE>
protected <A HREF="../../../java/awt/Rectangle.html">Rectangle</A> <B>getNodeDimensions</B>(<A HREF="../../../java/lang/Object.html">Object</A>&nbsp;value,
                                      int&nbsp;row,
                                      int&nbsp;depth,
                                      boolean&nbsp;expanded,
                                      <A HREF="../../../java/awt/Rectangle.html">Rectangle</A>&nbsp;placeIn)</PRE>
<DL>
<DD>Returns, by reference in size, the size needed to reprensent
 value. If size is null, a newly created Dimension should be returned,
 otherwise the value should be placed in size and returned. This will
 return null if there is no renderer.<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="isFixedRowHeight()"><!-- --></A><H3>
isFixedRowHeight</H3>
<PRE>
protected boolean <B>isFixedRowHeight</B>()</PRE>
<DL>
<DD>Returns true if the height of each row is a fixed size.<DD><DL>
</DL>
</DD>
</DL>
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