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# Name: XMLTree.py
# Purpose: XMLTree class
# Author: Roman Rolinsky <rolinsky@femagsoft.com>
# Created: 31.05.2007
# RCS-ID: $Id: XMLTree.py 64627 2010-06-18 18:17:45Z ROL $
from globals import *
from model import Model
from component import Manager, Component, Container
import images
class XMLTree(wx.TreeCtrl):
def __init__(self, parent):
style = wx.TR_HAS_BUTTONS | wx.TR_MULTIPLE | \
wx.TR_HIDE_ROOT | wx.TR_LINES_AT_ROOT
wx.TreeCtrl.__init__(self, parent, style=style)
self.locals = {} # namespace for comment directives
# Color scheme
self.SetBackgroundColour(wx.Colour(222, 248, 222))
self.COLOUR_COMMENT = wx.Colour(0, 0, 255)
self.COLOUR_REF = wx.Colour(0, 0, 128)
self.COLOUR_HIDDEN = wx.Colour(128, 128, 128)
self.COLOUR_HL = wx.Colour(255, 0, 0)
self.COLOUR_DT = wx.Colour(0, 0, 255)
# Comments use italic font
self.fontComment = wx.FFont(self.GetFont().GetPointSize(),
self.GetFont().GetFamily(),
wx.FONTFLAG_ITALIC)
# Create image list
il = wx.ImageList(22, 22, True)
# 0 is the default image index
im = images.TreeDefault.GetImage()
if im.GetWidth() != 22 or im.GetHeight() != 22:
im.Resize((22,22), ((22-im.GetWidth())/2,(22-im.GetHeight())/2))
il.Add(im.ConvertToBitmap())
# 1 is the default container image
im = images.TreeDefaultContainer.GetImage()
if im.GetWidth() != 22 or im.GetHeight() != 22:
im.Resize((22,22), ((22-im.GetWidth())/2,(22-im.GetHeight())/2))
il.Add(im.ConvertToBitmap())
# root icon
# self.rootImage = il.Add(images.TreeRoot.GetImage().Scale(16,16).ConvertToBitmap())
# Loop through registered components which have images
for component in Manager.components.values():
for im in component.images:
# Resize image if necessary
if im.GetWidth() != 22 or im.GetHeight() != 22:
im.Resize((22,22), ((22-im.GetWidth())/2,(22-im.GetHeight())/2))
im.Id = il.Add(im.ConvertToBitmap())
self.il = il
self.SetImageList(il)
self.root = self.AddRoot('XML tree') #, self.rootImage)
self.SetItemHasChildren(self.root)
def Clear(self):
'''Clear everything except the root item.'''
self.UnselectAll()
self.DeleteChildren(self.root)
# Add tree item for given parent item if node is DOM element node with
# object/object_ref tag
def AddNode(self, parent, node):
# Append tree item
try:
comp = Manager.getNodeComp(node, None)
className = comp.klass
except:
className = node.getAttribute('class')
# Try to create some generic component on-the-fly
attributes = []
isContainer = False
for n in node.childNodes:
if is_element(n):
isContainer = True
elif n.nodeType == node.ELEMENT_NODE and not n.tagName in attributes:
attributes.append(n.tagName)
if isContainer:
comp = Container(className, 'unknown', attributes)
else:
comp = Component(className, 'unknown', attributes)
Manager.register(comp)
wx.LogWarning('Unknown component class "%s", registered as generic' % className)
item = self.AppendItem(parent, comp.getTreeText(node),
image=comp.getTreeImageId(node),
data=wx.TreeItemData(node))
self.SetItemStyle(item, node)
# Try to find children objects
if comp.isContainer():
for n in filter(is_object, node.childNodes):
self.AddNode(item, comp.getTreeNode(n))
elif node.nodeType == node.COMMENT_NODE:
if node.data and node.data[0] == '%' and g.conf.allowExec != 'no':
if g.conf.allowExec == 'ask' and Model.allowExec is None:
say = wx.MessageBox('''This file contains executable comment directives. \
Allow to execute?''', 'Warning', wx.ICON_EXCLAMATION | wx.YES_NO)
if say == wx.YES:
Model.allowExec = True
else:
Model.allowExec = False
if g.conf.allowExec == 'yes' or Model.allowExec:
code = node.data[1:] # skip '%'
self.ExecCode(code)
# Maybe this should be moved to presenter?
def ExecCode(self, code):
logger.debug('executing comment pragma: \n%s', code)
try:
exec code in globals(), self.locals
except:
wx.LogError('exec error: "%s"' % code)
logger.exception("execution of in-line comment failed")
def SetItemStyle(self, item, node):
# Different color for comments and references
if node.nodeType == node.COMMENT_NODE:
self.SetItemTextColour(item, self.COLOUR_COMMENT)
self.SetItemFont(item, self.fontComment)
elif node.tagName == 'object_ref':
self.SetItemTextColour(item, self.COLOUR_REF)
# elif treeObj.hasStyle and treeObj.params.get('hidden', False):
# self.SetItemTextColour(item, self.COLOUR_HIDDEN)
def Flush(self):
'''Update all items after changes in model.'''
self.Clear()
# Update root item
self.SetPyData(self.root, Model.mainNode)
# (first node is test node, skip it)
for n in filter(is_object, Model.mainNode.childNodes[1:]):
self.AddNode(self.root, n)
def FlushSubtree(self, item, node):
'''Update all items after changes in model.'''
if item is None or item == self.root:
self.Flush()
return
self.DeleteChildren(item)
className = node.getAttribute('class')
try:
comp = Manager.components[className]
except:
# Flush completely if unknown
self.Flush()
return
for n in filter(is_object, node.childNodes):
self.AddNode(item, comp.getTreeNode(n))
def ExpandAll(self):
i, cookie = self.GetFirstChild(self.root)
while i:
self.ExpandAllChildren(i)
i, cookie = self.GetNextChild(self.root, cookie)
def CollapseAll(self):
i, cookie = self.GetFirstChild(self.root)
while i:
self.CollapseAllChildren(i)
i, cookie = self.GetNextChild(self.root, cookie)
# Override to use same form as InsertItem
def InsertItemBefore(self, parent, next, label, image=-1, data=None):
prev = self.GetPrevSibling(next)
if prev:
return self.InsertItem(parent, prev, label, image, data=data)
else:
return self.PrependItem(parent, label, image, data=data)
def GetSelection(self):
if self.GetSelections():
return self.GetSelections()[-1]
else: return None
# Return item index in parent
def ItemIndex(self, item):
n = 0 # index of sibling
prev = self.GetPrevSibling(item)
while prev.IsOk():
prev = self.GetPrevSibling(prev)
n += 1
return n
# Full tree index of an item - list of positions
def ItemFullIndex(self, item):
if not item.IsOk(): return None
l = []
while item != self.root:
l.insert(0, self.ItemIndex(item))
item = self.GetItemParent(item)
return l
# Get item position from full index
def ItemAtFullIndex(self, index):
if index is None: return wx.TreeItemId()
item = self.root
for i in index:
item = self.GetFirstChild(item)[0]
for k in range(i): item = self.GetNextSibling(item)
return item
# Return item child index in parent (skip non-window items)
def ItemIndexWin(self, item):
n = 0 # index of sibling
prev = self.GetPrevSibling(item)
while prev.IsOk():
if self.GetPyData(prev).nodeType != Model.dom.COMMENT_NODE:
n += 1
prev = self.GetPrevSibling(prev)
return n
# Get expanded state of all items
def GetFullState(self, item=None):
if not item: item = self.root
states = []
item = self.GetFirstChild(item)[0]
while item:
if self.ItemHasChildren(item):
state = self.IsExpanded(item)
states.append(state)
if state: states.extend(self.GetFullState(item))
item = self.GetNextSibling(item)
return states
# Set expanded state of all items
def SetFullState(self, states, item=None):
if not item:
item = self.root
states = states[:]
item = self.GetFirstChild(item)[0]
while item:
if self.ItemHasChildren(item):
state = states.pop(0)
if state: self.Expand(item)
else: self.Collapse(item)
if state: self.SetFullState(states, item)
item = self.GetNextSibling(item)
# Find item with given data (node)
def Find(self, item, name):
node = self.GetPyData(item)
if is_element(node) and node.getAttribute('name') == name:
return item
item,cookie = self.GetFirstChild(item)
while item:
found = self.Find(item, name)
if found: return found
item = self.GetNextSibling(item)
return None
# Fixes for broken and platform-incompatible functions
def ItemHasChildren(self, item):
return self.GetChildrenCount(item)
if wx.Platform == '__WXMSW__':
# Generate selection event
def SelectItem(self, item):
wx.TreeCtrl.SelectItem(self, item)
evt = wx.TreeEvent(wx.EVT_TREE_SEL_CHANGED.typeId, self, item)
wx.PostEvent(self, evt)
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