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authormkoch <mkoch@138bc75d-0d04-0410-961f-82ee72b054a4>2003-06-27 12:41:52 +0000
committermkoch <mkoch@138bc75d-0d04-0410-961f-82ee72b054a4>2003-06-27 12:41:52 +0000
commitec403df959893ee586941b2a3e7dcdf74eb465a7 (patch)
tree9c9150539c2b41f8cf847c48aa7c5d93cf1466a9 /libjava/javax/swing/plaf/basic/BasicTreeUI.java
parentac8d19f023c5c7f23843d7d92ea718ff96ac29e4 (diff)
downloadppe42-gcc-ec403df959893ee586941b2a3e7dcdf74eb465a7.tar.gz
ppe42-gcc-ec403df959893ee586941b2a3e7dcdf74eb465a7.zip
2003-06-27 Michael Koch <konqueror@gmx.de>
* javax/swing/JWindow.java, javax/swing/event/AncestorEvent.java, javax/swing/event/HyperlinkEvent.java, javax/swing/event/InternalFrameEvent.java, javax/swing/event/ListDataEvent.java, javax/swing/event/TableModelEvent.java, javax/swing/plaf/PopupMenuUI.java, javax/swing/plaf/SplitPaneUI.java, javax/swing/plaf/TabbedPaneUI.java, javax/swing/plaf/TextUI.java, javax/swing/plaf/TreeUI.java, javax/swing/plaf/basic/BasicTextUI.java, javax/swing/plaf/basic/BasicTreeUI.java: New versions from classpath. * javax/swing/Popup.java, javax/swing/PopupFactory.jav: New source files from classpath. * javax/swing/plaf/doc-files/TreeUI-1.png: New binary files from classpath. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68568 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/javax/swing/plaf/basic/BasicTreeUI.java')
-rw-r--r--libjava/javax/swing/plaf/basic/BasicTreeUI.java197
1 files changed, 194 insertions, 3 deletions
diff --git a/libjava/javax/swing/plaf/basic/BasicTreeUI.java b/libjava/javax/swing/plaf/basic/BasicTreeUI.java
index 17ba4b56e61..d9af1010ba7 100644
--- a/libjava/javax/swing/plaf/basic/BasicTreeUI.java
+++ b/libjava/javax/swing/plaf/basic/BasicTreeUI.java
@@ -1,5 +1,5 @@
/* BasicTreeUI.java
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@@ -38,8 +38,199 @@ exception statement from your version. */
package javax.swing.plaf.basic;
-import javax.swing.plaf.*;
+import java.awt.Rectangle;
+import javax.swing.JTree;
+import javax.swing.plaf.TreeUI;
+import javax.swing.tree.TreePath;
-public class BasicTreeUI extends TreeUI
+
+/**
+ * A delegate providing the user interface for <code>JTree</code>
+ * according to the Basic look and feel. The current implementation
+ * of GNU Classpath does really work; it is just a stub that allows
+ * compiling the code.
+ *
+ * @see javax.swing.JTree
+ *
+ * @author Sascha Brawer (brawer@dandelis.ch)
+ */
+public class BasicTreeUI
+ extends TreeUI
{
+ /**
+ * Determines the geometric extent of the label that is
+ * drawn for a path.
+ *
+ * @param tree the <code>JTree</code> for which this delegate
+ * object provides the user interface.
+ *
+ * @param path the path whose label extent is requested.
+ *
+ * @return a rectangle enclosing the label, or <code>null</code>
+ * if <code>path</code> contains invalid nodes.
+ */
+ public Rectangle getPathBounds(JTree tree, TreePath path)
+ {
+ return null; // FIXME: not implemented
+ }
+
+
+ /**
+ * Creates a <code>TreePath</code> for the specified row.
+ *
+ * @param tree the <code>JTree</code> for which this delegate
+ * object provides the user interface.
+ *
+ * @param row the index of the row, which should be a number
+ * in the range <code>[0, getRowCount(tree) - 1]</code>.
+ *
+ * @return a <code>TreePath</code> for the specified row, or
+ * <code>null</code> if <code>row</code> is outside
+ * the valid range.
+ */
+ public TreePath getPathForRow(JTree tree, int row)
+ {
+ return null; // FIXME: not implemented
+ }
+
+
+ /**
+ * Determines in which row a <code>TreePath</code> is currently
+ * being displayed.
+ *
+ * @param tree the <code>JTree</code> for which this delegate
+ * object provides the user interface.
+ *
+ * @param path the path for which the caller wants to know
+ * in which row it is being displayed.
+ *
+ * @return a number in the range <code>[0, getRowCount(tree)
+ * - 1]</code> if the path is currently on display;
+ * <code>-1</code> if the path is not shown to the
+ * user.
+ */
+ public int getRowForPath(JTree tree, TreePath path)
+ {
+ return -1; // FIXME: not implemented
+ }
+
+
+ /**
+ * Counts how many rows are currently displayed.
+ *
+ * @param tree the <code>JTree</code> for which this delegate
+ * object provides the user interface.
+ *
+ * @return the number of visible rows.
+ */
+ public int getRowCount(JTree tree)
+ {
+ return 0; // FIXME: not implemented
+ }
+
+
+ /**
+ * Finds the path that is closest to the specified position.
+ *
+ * <p><img src="../TreeUI-1.png" width="300" height="250"
+ * alt="[A screen shot of a JTree] />
+ *
+ * <p>As shown by the above illustration, the bounds of the
+ * closest path do not necessarily need to contain the passed
+ * location.
+ *
+ * @param tree the <code>JTree</code> for which this delegate
+ * object provides the user interface.
+ *
+ * @param x the horizontal location, relative to the origin
+ * of <code>tree</code>.
+ *
+ * @param y the vertical location, relative to the origin
+ * of <code>tree</code>.
+ *
+ * @return the closest path, or <code>null</code> if the
+ * tree is currenlty not displaying any paths at all.
+ */
+ public TreePath getClosestPathForLocation(JTree tree,
+ int x, int y)
+ {
+ return null; // FIXME: not implemented
+ }
+
+
+ /**
+ * Determines whether the user is currently editing a tree cell.
+ *
+ * @param tree the <code>JTree</code> for which this delegate
+ * object provides the user interface.
+ *
+ * @see #getEditingPath
+ */
+ public boolean isEditing(JTree tree)
+ {
+ return false; // FIXME: not implemented
+ }
+
+
+ /**
+ * Stops editing a tree cell, committing the entered value into the
+ * tree&#x2019;s model. If no editing session is active, or if the
+ * active editor does not agree to stopping, nothing happens. In
+ * some look and feels, this action happens when the user has
+ * pressed the enter key.
+ *
+ * @param tree the <code>JTree</code> for which this delegate
+ * object provides the user interface.
+ *
+ * @return <code>false</code> if the editing still goes on because
+ * the cell editor has objected to stopping the session;
+ * <code>true</code> if editing has been stopped.
+ */
+ public boolean stopEditing(JTree tree)
+ {
+ return true; // FIXME: not implemented
+ }
+
+
+ /**
+ * Cancels editing a tree cell, discarding any entered value.
+ * If no editing session is active, nothing happens. The cell
+ * editor is not given an opportunity to veto the canceling.
+ * In some look and feels, this action happens when the user has
+ * pressed the escape key.
+ *
+ * @param tree the <code>JTree</code> for which this delegate
+ * object provides the user interface.
+ */
+ public void cancelEditing(JTree tree)
+ {
+ // FIXME: not implemented
+ }
+
+
+ /**
+ * Starts a session to edit a tree cell. If the cell editor
+ * rejects editing the cell, it will just be selected.
+ *
+ * @param tree the <code>JTree</code> for which this delegate
+ * object provides the user interface.
+ *
+ * @param path the cell to edit.
+ */
+ public void startEditingAtPath(JTree tree, TreePath path)
+ {
+ // FIXME: not implemented
+ }
+
+
+ /**
+ * Retrieves the tree cell that is currently being edited.
+ *
+ * @return the currently edited path, or <code>null</code>
+ * if no editing session is currently active.
+ */
+ public TreePath getEditingPath(JTree tree)
+ {
+ return null; // FIXME: not implemented
+ }
}
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