# XXX TO DO:
# - popup menu
# - support partial or total redisplay
# - key bindings (instead of quick-n-dirty bindings on Canvas):
#   - up/down arrow keys to move focus around
#   - ditto for page up/down, home/end
#   - left/right arrows to expand/collapse & move out/in
# - more doc strings
# - add icons for "file", "module", "class", "method"; better "python" icon
# - callback for selection???
# - multiple-item selection
# - tooltips
# - redo geometry without magic numbers
# - keep track of object ids to allow more careful cleaning
# - optimize tree redraw after expand of subnode

Modules
		idlelib.ZoomHeight imp os sys

Classes
		ScrolledCanvas TreeItem FileTreeItem TreeNode   class FileTreeItem(TreeItem)     Example TreeItem subclass -- browse the file system.     Methods defined here: GetIconName(self) GetSubList(self) GetText(self) IsEditable(self) IsExpandable(self) SetText(self, text) __init__(self, path) Methods inherited from TreeItem: GetLabelText(self) Return label text string to display in front of text (if any). GetSelectedIconName(self) Return name of icon to be displayed when selected. OnDoubleClick(self) Called on a double-click on the item. Data and other attributes inherited from TreeItem: expandable = None   class ScrolledCanvas       Methods defined here: __init__(self, master, **opts) page_down(self, event) page_up(self, event) unit_down(self, event) unit_up(self, event) zoom_height(self, event)   class TreeItem     Abstract class representing tree items.   Methods should typically be overridden, otherwise a default action is used.     Methods defined here: GetIconName(self) Return name of icon to be displayed normally. GetLabelText(self) Return label text string to display in front of text (if any). GetSelectedIconName(self) Return name of icon to be displayed when selected. GetSubList(self) Return list of items forming sublist. GetText(self) Return text string to display. IsEditable(self) Return whether the item's text may be edited. IsExpandable(self) Return whether there are subitems. OnDoubleClick(self) Called on a double-click on the item. SetText(self, text) Change the item's text (if it is editable). __init__(self) Constructor.  Do whatever you need to do. Data and other attributes defined here: expandable = None   class TreeNode       Methods defined here: __init__(self, canvas, parent, item) collapse(self, event=None) deselect(self, event=None) deselectall(self) deselecttree(self) destroy(self) draw(self, x, y) drawicon(self) drawtext(self) edit(self, event=None) edit_cancel(self, event=None) edit_finish(self, event=None) expand(self, event=None) flip(self, event=None) geticonimage(self, name) lastvisiblechild(self) select(self, event=None) select_or_edit(self, event=None) update(self) view(self)

Functions
		listicons(icondir='/usr/local/lib/python2.3/idlelib/Icons') Utility to display the available icons. test() test2()

Data
		ICONDIR = '/usr/local/lib/python2.3/idlelib/Icons'