wxPython/wx/tools/XRCed/tree.py

   1 # Name:         tree.py
   2 # Purpose:      XRC editor, XML_tree class
   3 # Author:       Roman Rolinsky <rolinsky@mema.ucl.ac.be>
   4 # Created:      02.12.2002
   5 # RCS-ID:       $Id$
   6
   7 from xxx import *                       # xxx imports globals and params
   8 import types
   9 import traceback
  10
  11 # Constant to define standart window name
  12 STD_NAME = '_XRCED_T_W'
  13
  14 # Icons
  15 import images
  16
  17 class MemoryFile:
  18     def __init__(self, name):
  19         self.name = name
  20         self.buffer = ''
  21     def write(self, data):
  22         self.buffer += data.encode()
  23     def close(self):
  24         wxMemoryFSHandler_AddFile(self.name, self.buffer)
  25
  26 ################################################################################
  27
  28 # Redefine writing to include encoding
  29 class MyDocument(minidom.Document):
  30     def __init__(self):
  31         minidom.Document.__init__(self)
  32         self.encoding = ''
  33     def writexml(self, writer, indent="", addindent="", newl="", encoding=""):
  34         if encoding: encdstr = 'encoding="%s"' % encoding
  35         else: encdstr = ''
  36         writer.write('<?xml version="1.0" %s?>\n' % encdstr)
  37         for node in self.childNodes:
  38             node.writexml(writer, indent, addindent, newl)
  39
  40 ################################################################################
  41
  42 # Ids for menu commands
  43 class ID_NEW:
  44     PANEL = wxNewId()
  45     DIALOG = wxNewId()
  46     FRAME = wxNewId()
  47     TOOL_BAR = wxNewId()
  48     TOOL = wxNewId()
  49     MENU_BAR = wxNewId()
  50     MENU = wxNewId()
  51
  52     STATIC_TEXT = wxNewId()
  53     TEXT_CTRL = wxNewId()
  54
  55     BUTTON = wxNewId()
  56     BITMAP_BUTTON = wxNewId()
  57     RADIO_BUTTON = wxNewId()
  58     SPIN_BUTTON = wxNewId()
  59
  60     STATIC_BOX = wxNewId()
  61     CHECK_BOX = wxNewId()
  62     RADIO_BOX = wxNewId()
  63     COMBO_BOX = wxNewId()
  64     LIST_BOX = wxNewId()
  65
  66     STATIC_LINE = wxNewId()
  67     STATIC_BITMAP = wxNewId()
  68     CHOICE = wxNewId()
  69     SLIDER = wxNewId()
  70     GAUGE = wxNewId()
  71     SCROLL_BAR = wxNewId()
  72     TREE_CTRL = wxNewId()
  73     LIST_CTRL = wxNewId()
  74     CHECK_LIST = wxNewId()
  75     NOTEBOOK = wxNewId()
  76     SCROLLED_WINDOW = wxNewId()
  77     HTML_WINDOW = wxNewId()
  78     CALENDAR_CTRL = wxNewId()
  79     GENERIC_DIR_CTRL = wxNewId()
  80     SPIN_CTRL = wxNewId()
  81     UNKNOWN = wxNewId()
  82
  83     BOX_SIZER = wxNewId()
  84     STATIC_BOX_SIZER = wxNewId()
  85     GRID_SIZER = wxNewId()
  86     FLEX_GRID_SIZER = wxNewId()
  87     GRID_BAG_SIZER = wxNewId()
  88     SPACER = wxNewId()
  89     TOOL_BAR = wxNewId()
  90     TOOL = wxNewId()
  91     MENU = wxNewId()
  92     MENU_ITEM = wxNewId()
  93     SEPARATOR = wxNewId()
  94     LAST = wxNewId()
  95
  96 class PullDownMenu:
  97     ID_EXPAND = wxNewId()
  98     ID_COLLAPSE = wxNewId()
  99     ID_PASTE_SIBLING = wxNewId()
 100     ID_SUBCLASS = wxNewId()
 101
 102     def __init__(self, parent):
 103         self.ID_DELETE = parent.ID_DELETE
 104         EVT_MENU_RANGE(parent, ID_NEW.PANEL, ID_NEW.LAST, parent.OnCreate)
 105         EVT_MENU_RANGE(parent, 1000 + ID_NEW.PANEL, 1000 + ID_NEW.LAST, parent.OnReplace)
 106         EVT_MENU(parent, self.ID_COLLAPSE, parent.OnCollapse)
 107         EVT_MENU(parent, self.ID_EXPAND, parent.OnExpand)
 108         EVT_MENU(parent, self.ID_PASTE_SIBLING, parent.OnPaste)
 109         EVT_MENU(parent, self.ID_SUBCLASS, parent.OnSubclass)
 110         # We connect to tree, but process in frame
 111         EVT_MENU_HIGHLIGHT_ALL(g.tree, parent.OnPullDownHighlight)
 112
 113         # Mapping from IDs to element names
 114         self.createMap = {
 115             ID_NEW.PANEL: 'wxPanel',
 116             ID_NEW.DIALOG: 'wxDialog',
 117             ID_NEW.FRAME: 'wxFrame',
 118             ID_NEW.TOOL_BAR: 'wxToolBar',
 119             ID_NEW.TOOL: 'tool',
 120             ID_NEW.MENU_BAR: 'wxMenuBar',
 121             ID_NEW.MENU: 'wxMenu',
 122             ID_NEW.MENU_ITEM: 'wxMenuItem',
 123             ID_NEW.SEPARATOR: 'separator',
 124
 125             ID_NEW.STATIC_TEXT: 'wxStaticText',
 126             ID_NEW.TEXT_CTRL: 'wxTextCtrl',
 127
 128             ID_NEW.BUTTON: 'wxButton',
 129             ID_NEW.BITMAP_BUTTON: 'wxBitmapButton',
 130             ID_NEW.RADIO_BUTTON: 'wxRadioButton',
 131             ID_NEW.SPIN_BUTTON: 'wxSpinButton',
 132
 133             ID_NEW.STATIC_BOX: 'wxStaticBox',
 134             ID_NEW.CHECK_BOX: 'wxCheckBox',
 135             ID_NEW.RADIO_BOX: 'wxRadioBox',
 136             ID_NEW.COMBO_BOX: 'wxComboBox',
 137             ID_NEW.LIST_BOX: 'wxListBox',
 138
 139             ID_NEW.STATIC_LINE: 'wxStaticLine',
 140             ID_NEW.STATIC_BITMAP: 'wxStaticBitmap',
 141             ID_NEW.CHOICE: 'wxChoice',
 142             ID_NEW.SLIDER: 'wxSlider',
 143             ID_NEW.GAUGE: 'wxGauge',
 144             ID_NEW.SCROLL_BAR: 'wxScrollBar',
 145             ID_NEW.TREE_CTRL: 'wxTreeCtrl',
 146             ID_NEW.LIST_CTRL: 'wxListCtrl',
 147             ID_NEW.CHECK_LIST: 'wxCheckListBox',
 148             ID_NEW.NOTEBOOK: 'wxNotebook',
 149             ID_NEW.SCROLLED_WINDOW: 'wxScrolledWindow',
 150             ID_NEW.HTML_WINDOW: 'wxHtmlWindow',
 151             ID_NEW.CALENDAR_CTRL: 'wxCalendarCtrl',
 152             ID_NEW.GENERIC_DIR_CTRL: 'wxGenericDirCtrl',
 153             ID_NEW.SPIN_CTRL: 'wxSpinCtrl',
 154
 155             ID_NEW.BOX_SIZER: 'wxBoxSizer',
 156             ID_NEW.STATIC_BOX_SIZER: 'wxStaticBoxSizer',
 157             ID_NEW.GRID_SIZER: 'wxGridSizer',
 158             ID_NEW.FLEX_GRID_SIZER: 'wxFlexGridSizer',
 159             ID_NEW.GRID_BAG_SIZER: 'wxGridBagSizer',
 160             ID_NEW.SPACER: 'spacer',
 161             ID_NEW.UNKNOWN: 'unknown',
 162             }
 163         self.topLevel = [
 164             (ID_NEW.PANEL, 'Panel', 'Create panel'),
 165             (ID_NEW.DIALOG, 'Dialog', 'Create dialog'),
 166             (ID_NEW.FRAME, 'Frame', 'Create frame'),
 167             None,
 168             (ID_NEW.TOOL_BAR, 'ToolBar', 'Create toolbar'),
 169             (ID_NEW.MENU_BAR, 'MenuBar', 'Create menubar'),
 170             (ID_NEW.MENU, 'Menu', 'Create menu')
 171             ]
 172         self.containers = [
 173              (ID_NEW.PANEL, 'Panel', 'Create panel'),
 174              (ID_NEW.NOTEBOOK, 'Notebook', 'Create notebook control'),
 175              (ID_NEW.TOOL_BAR, 'ToolBar', 'Create toolbar'),
 176             ]
 177         self.sizers = [
 178              (ID_NEW.BOX_SIZER, 'BoxSizer', 'Create box sizer'),
 179              (ID_NEW.STATIC_BOX_SIZER, 'StaticBoxSizer',
 180               'Create static box sizer'),
 181              (ID_NEW.GRID_SIZER, 'GridSizer', 'Create grid sizer'),
 182              (ID_NEW.FLEX_GRID_SIZER, 'FlexGridSizer',
 183               'Create flexgrid sizer'),
 184              (ID_NEW.GRID_BAG_SIZER, 'GridBagSizer',
 185               'Create gridbag sizer'),
 186              (ID_NEW.SPACER, 'Spacer', 'Create spacer'),
 187              ]
 188         self.controls = [
 189             ['control', 'Various controls',
 190              (ID_NEW.STATIC_TEXT, 'Label', 'Create label'),
 191              (ID_NEW.STATIC_BITMAP, 'Bitmap', 'Create bitmap'),
 192              (ID_NEW.STATIC_LINE, 'Line', 'Create line'),
 193              (ID_NEW.TEXT_CTRL, 'TextBox', 'Create text box'),
 194              (ID_NEW.CHOICE, 'Choice', 'Create choice'),
 195              (ID_NEW.SLIDER, 'Slider', 'Create slider'),
 196              (ID_NEW.GAUGE, 'Gauge', 'Create gauge'),
 197              (ID_NEW.SPIN_CTRL, 'SpinCtrl', 'Create spin'),
 198              (ID_NEW.SCROLL_BAR, 'ScrollBar', 'Create scroll bar'),
 199              (ID_NEW.TREE_CTRL, 'TreeCtrl', 'Create tree'),
 200              (ID_NEW.LIST_CTRL, 'ListCtrl', 'Create list'),
 201              (ID_NEW.CHECK_LIST, 'CheckList', 'Create check list'),
 202              (ID_NEW.SCROLLED_WINDOW, 'ScrolledWindow', 'Create scrolled window'),
 203              (ID_NEW.HTML_WINDOW, 'HtmlWindow', 'Create HTML window'),
 204              (ID_NEW.CALENDAR_CTRL, 'CalendarCtrl', 'Create calendar control'),
 205              (ID_NEW.GENERIC_DIR_CTRL, 'GenericDirCtrl', 'Create generic dir control'),
 206              (ID_NEW.UNKNOWN, 'Unknown', 'Create custom control placeholder'),
 207              ],
 208             ['button', 'Buttons',
 209              (ID_NEW.BUTTON, 'Button', 'Create button'),
 210              (ID_NEW.BITMAP_BUTTON, 'BitmapButton', 'Create bitmap button'),
 211              (ID_NEW.RADIO_BUTTON, 'RadioButton', 'Create radio button'),
 212              (ID_NEW.SPIN_BUTTON, 'SpinButton', 'Create spin button'),
 213              ],
 214             ['box', 'Boxes',
 215              (ID_NEW.STATIC_BOX, 'StaticBox', 'Create static box'),
 216              (ID_NEW.CHECK_BOX, 'CheckBox', 'Create check box'),
 217              (ID_NEW.RADIO_BOX, 'RadioBox', 'Create radio box'),
 218              (ID_NEW.COMBO_BOX, 'ComboBox', 'Create combo box'),
 219              (ID_NEW.LIST_BOX, 'ListBox', 'Create list box'),
 220              ],
 221             ['container', 'Containers',
 222              (ID_NEW.PANEL, 'Panel', 'Create panel'),
 223              (ID_NEW.NOTEBOOK, 'Notebook', 'Create notebook control'),
 224              (ID_NEW.TOOL_BAR, 'ToolBar', 'Create toolbar'),
 225              ],
 226             ['sizer', 'Sizers',
 227              (ID_NEW.BOX_SIZER, 'BoxSizer', 'Create box sizer'),
 228              (ID_NEW.STATIC_BOX_SIZER, 'StaticBoxSizer',
 229               'Create static box sizer'),
 230              (ID_NEW.GRID_SIZER, 'GridSizer', 'Create grid sizer'),
 231              (ID_NEW.FLEX_GRID_SIZER, 'FlexGridSizer',
 232               'Create flexgrid sizer'),
 233              (ID_NEW.GRID_BAG_SIZER, 'GridBagSizer',
 234               'Create gridbag sizer'),
 235              (ID_NEW.SPACER, 'Spacer', 'Create spacer'),
 236              ]
 237             ]
 238         self.menuControls = [
 239             (ID_NEW.MENU, 'Menu', 'Create menu'),
 240             (ID_NEW.MENU_ITEM, 'MenuItem', 'Create menu item'),
 241             (ID_NEW.SEPARATOR, 'Separator', 'Create separator'),
 242             ]
 243         self.toolBarControls = [
 244             (ID_NEW.TOOL, 'Tool', 'Create tool'),
 245             (ID_NEW.SEPARATOR, 'Separator', 'Create separator'),
 246             ['control', 'Various controls',
 247              (ID_NEW.STATIC_TEXT, 'Label', 'Create label'),
 248              (ID_NEW.STATIC_BITMAP, 'Bitmap', 'Create bitmap'),
 249              (ID_NEW.STATIC_LINE, 'Line', 'Create line'),
 250              (ID_NEW.TEXT_CTRL, 'TextBox', 'Create text box'),
 251              (ID_NEW.CHOICE, 'Choice', 'Create choice'),
 252              (ID_NEW.SLIDER, 'Slider', 'Create slider'),
 253              (ID_NEW.GAUGE, 'Gauge', 'Create gauge'),
 254              (ID_NEW.SCROLL_BAR, 'ScrollBar', 'Create scroll bar'),
 255              (ID_NEW.LIST_CTRL, 'ListCtrl', 'Create list control'),
 256              (ID_NEW.CHECK_LIST, 'CheckList', 'Create check list'),
 257              ],
 258             ['button', 'Buttons',
 259              (ID_NEW.BUTTON, 'Button', 'Create button'),
 260              (ID_NEW.BITMAP_BUTTON, 'BitmapButton', 'Create bitmap button'),
 261              (ID_NEW.RADIO_BUTTON, 'RadioButton', 'Create radio button'),
 262              (ID_NEW.SPIN_BUTTON, 'SpinButton', 'Create spin button'),
 263              ],
 264             ['box', 'Boxes',
 265              (ID_NEW.STATIC_BOX, 'StaticBox', 'Create static box'),
 266              (ID_NEW.CHECK_BOX, 'CheckBox', 'Create check box'),
 267              (ID_NEW.RADIO_BOX, 'RadioBox', 'Create radio box'),
 268              (ID_NEW.COMBO_BOX, 'ComboBox', 'Create combo box'),
 269              (ID_NEW.LIST_BOX, 'ListBox', 'Create list box'),
 270              ],
 271             ]
 272
 273 ################################################################################
 274
 275 # Set menu to list items.
 276 # Each menu command is a tuple (id, label, help)
 277 # submenus are lists [id, label, help, submenu]
 278 # and separators are any other type
 279 def SetMenu(m, list):
 280     for l in list:
 281         if type(l) == types.TupleType:
 282             apply(m.Append, l)
 283         elif type(l) == types.ListType:
 284             subMenu = wxMenu()
 285             SetMenu(subMenu, l[2:])
 286             m.AppendMenu(wxNewId(), l[0], subMenu, l[1])
 287         else:                           # separator
 288             m.AppendSeparator()
 289 # Same, but adds 1000 to all IDs
 290 def SetMenu2(m, list):
 291     for l in list:
 292         if type(l) == types.TupleType:
 293             # Shift ID
 294             l = (1000 + l[0],) + l[1:]
 295             apply(m.Append, l)
 296         elif type(l) == types.ListType:
 297             subMenu = wxMenu()
 298             SetMenu2(subMenu, l[2:])
 299             m.AppendMenu(wxNewId(), l[0], subMenu, l[1])
 300         else:                           # separator
 301             m.AppendSeparator()
 302
 303 ################################################################################
 304
 305 class HighLightBox:
 306     def __init__(self, pos, size):
 307         if size.width == -1: size.width = 0
 308         if size.height == -1: size.height = 0
 309         w = g.testWin.panel
 310         l1 = wxWindow(w, -1, pos, wxSize(size.width, 2))
 311         l1.SetBackgroundColour(wxRED)
 312         l2 = wxWindow(w, -1, pos, wxSize(2, size.height))
 313         l2.SetBackgroundColour(wxRED)
 314         l3 = wxWindow(w, -1, wxPoint(pos.x + size.width - 2, pos.y), wxSize(2, size.height))
 315         l3.SetBackgroundColour(wxRED)
 316         l4 = wxWindow(w, -1, wxPoint(pos.x, pos.y + size.height - 2), wxSize(size.width, 2))
 317         l4.SetBackgroundColour(wxRED)
 318         self.lines = [l1, l2, l3, l4]
 319     # Move highlight to a new position
 320     def Replace(self, pos, size):
 321         if size.width == -1: size.width = 0
 322         if size.height == -1: size.height = 0
 323         self.lines[0].SetDimensions(pos.x, pos.y, size.width, 2)
 324         self.lines[1].SetDimensions(pos.x, pos.y, 2, size.height)
 325         self.lines[2].SetDimensions(pos.x + size.width - 2, pos.y, 2, size.height)
 326         self.lines[3].SetDimensions(pos.x, pos.y + size.height - 2, size.width, 2)
 327     # Remove it
 328     def Remove(self):
 329         map(wxWindow.Destroy, self.lines)
 330         g.testWin.highLight = None
 331
 332 ################################################################################
 333
 334 class XML_Tree(wxTreeCtrl):
 335     def __init__(self, parent, id):
 336         wxTreeCtrl.__init__(self, parent, id, style = wxTR_HAS_BUTTONS)
 337         self.SetBackgroundColour(wxColour(224, 248, 224))
 338         # Register events
 339         EVT_TREE_SEL_CHANGED(self, self.GetId(), self.OnSelChanged)
 340         # One works on Linux, another on Windows
 341         if wxPlatform == '__WXGTK__':
 342             EVT_TREE_ITEM_ACTIVATED(self, self.GetId(), self.OnItemActivated)
 343         else:
 344             EVT_LEFT_DCLICK(self, self.OnDClick)
 345         EVT_RIGHT_DOWN(self, self.OnRightDown)
 346         EVT_TREE_ITEM_EXPANDED(self, self.GetId(), self.OnItemExpandedCollapsed)
 347         EVT_TREE_ITEM_COLLAPSED(self, self.GetId(), self.OnItemExpandedCollapsed)
 348
 349         self.selection = None
 350         self.needUpdate = False
 351         self.pendingHighLight = None
 352         self.ctrl = self.shift = False
 353         self.dom = None
 354         # Create image list
 355         il = wxImageList(16, 16, True)
 356         self.rootImage = il.Add(images.getTreeRootImage().Scale(16,16).ConvertToBitmap())
 357         xxxObject.image = il.Add(images.getTreeDefaultImage().Scale(16,16).ConvertToBitmap())
 358         xxxPanel.image = il.Add(images.getTreePanelImage().Scale(16,16).ConvertToBitmap())
 359         xxxDialog.image = il.Add(images.getTreeDialogImage().Scale(16,16).ConvertToBitmap())
 360         xxxFrame.image = il.Add(images.getTreeFrameImage().Scale(16,16).ConvertToBitmap())
 361         xxxMenuBar.image = il.Add(images.getTreeMenuBarImage().Scale(16,16).ConvertToBitmap())
 362         xxxMenu.image = il.Add(images.getTreeMenuImage().Scale(16,16).ConvertToBitmap())
 363         xxxMenuItem.image = il.Add(images.getTreeMenuItemImage().Scale(16,16).ConvertToBitmap())
 364         xxxToolBar.image = il.Add(images.getTreeToolBarImage().Scale(16,16).ConvertToBitmap())
 365         xxxTool.image = il.Add(images.getTreeToolImage().Scale(16,16).ConvertToBitmap())
 366         xxxSeparator.image = il.Add(images.getTreeSeparatorImage().Scale(16,16).ConvertToBitmap())
 367         xxxSizer.imageH = il.Add(images.getTreeSizerHImage().Scale(16,16).ConvertToBitmap())
 368         xxxSizer.imageV = il.Add(images.getTreeSizerVImage().Scale(16,16).ConvertToBitmap())
 369         xxxStaticBoxSizer.imageH = il.Add(images.getTreeStaticBoxSizerHImage().Scale(16,16).ConvertToBitmap())
 370         xxxStaticBoxSizer.imageV = il.Add(images.getTreeStaticBoxSizerVImage().Scale(16,16).ConvertToBitmap())
 371         xxxGridSizer.image = il.Add(images.getTreeSizerGridImage().Scale(16,16).ConvertToBitmap())
 372         xxxFlexGridSizer.image = il.Add(images.getTreeSizerFlexGridImage().Scale(16,16).ConvertToBitmap())
 373         self.il = il
 374         self.SetImageList(il)
 375
 376     def RegisterKeyEvents(self):
 377         EVT_KEY_DOWN(self, g.tools.OnKeyDown)
 378         EVT_KEY_UP(self, g.tools.OnKeyUp)
 379         EVT_ENTER_WINDOW(self, g.tools.OnMouse)
 380         EVT_LEAVE_WINDOW(self, g.tools.OnMouse)
 381
 382     def Unselect(self):
 383         self.selection = None
 384         wxTreeCtrl.Unselect(self)
 385         g.tools.UpdateUI()
 386
 387     def ExpandAll(self, item):
 388         if self.ItemHasChildren(item):
 389             self.Expand(item)
 390             i, cookie = self.GetFirstChild(item)
 391             children = []
 392             while i.IsOk():
 393                 children.append(i)
 394                 i, cookie = self.GetNextChild(item, cookie)
 395             for i in children:
 396                 self.ExpandAll(i)
 397     def CollapseAll(self, item):
 398         if self.ItemHasChildren(item):
 399             i, cookie = self.GetFirstChild(item)
 400             children = []
 401             while i.IsOk():
 402                 children.append(i)
 403                 i, cookie = self.GetNextChild(item, cookie)
 404             for i in children:
 405                 self.CollapseAll(i)
 406             self.Collapse(item)
 407
 408     # Clear tree
 409     def Clear(self):
 410         self.DeleteAllItems()
 411         # Add minimal structure
 412         if self.dom: self.dom.unlink()
 413         self.dom = MyDocument()
 414         self.dummyNode = self.dom.createComment('dummy node')
 415         # Create main node
 416         self.mainNode = self.dom.createElement('resource')
 417         self.dom.appendChild(self.mainNode)
 418         self.rootObj = xxxMainNode(self.dom)
 419         self.root = self.AddRoot('XML tree', self.rootImage,
 420                                  data=wxTreeItemData(self.rootObj))
 421         self.SetItemHasChildren(self.root)
 422         self.Unselect()
 423         self.Expand(self.root)
 424
 425     # Clear old data and set new
 426     def SetData(self, dom):
 427         self.DeleteAllItems()
 428         # Add minimal structure
 429         if self.dom: self.dom.unlink()
 430         self.dom = dom
 431         self.dummyNode = self.dom.createComment('dummy node')
 432         # Find 'resource' child, add it's children
 433         self.mainNode = dom.documentElement
 434         self.rootObj = xxxMainNode(self.dom)
 435         self.root = self.AddRoot('XML tree', self.rootImage,
 436                                  data=wxTreeItemData(self.rootObj))
 437         self.SetItemHasChildren(self.root)
 438         nodes = self.mainNode.childNodes[:]
 439         for node in nodes:
 440             if IsObject(node):
 441                 self.AddNode(self.root, None, node)
 442             else:
 443                 self.mainNode.removeChild(node)
 444                 node.unlink()
 445         self.Expand(self.root)
 446         self.Unselect()
 447
 448     # Add tree item for given parent item if node is DOM element node with
 449     # 'object' tag. xxxParent is parent xxx object
 450     def AddNode(self, itemParent, xxxParent, node):
 451         # Set item data to current node
 452         try:
 453             xxx = MakeXXXFromDOM(xxxParent, node)
 454         except:
 455             print 'ERROR: MakeXXXFromDom(%s, %s)' % (xxxParent, node)
 456             raise
 457         treeObj = xxx.treeObject()
 458         # Append tree item
 459         item = self.AppendItem(itemParent, treeObj.treeName(),
 460                                image=treeObj.treeImage(),
 461                                data=wxTreeItemData(xxx))
 462         # Try to find children objects
 463         if treeObj.hasChildren:
 464             nodes = treeObj.element.childNodes[:]
 465             for n in nodes:
 466                 if IsObject(n):
 467                     self.AddNode(item, treeObj, n)
 468                 elif n.nodeType != minidom.Node.ELEMENT_NODE:
 469                     treeObj.element.removeChild(n)
 470                     n.unlink()
 471
 472     # Insert new item at specific position
 473     def InsertNode(self, itemParent, parent, elem, nextItem):
 474         # Insert in XML tree and wxWin
 475         xxx = MakeXXXFromDOM(parent, elem)
 476         # If nextItem is None, we append to parent, otherwise insert before it
 477         if nextItem.IsOk():
 478             node = self.GetPyData(nextItem).element
 479             parent.element.insertBefore(elem, node)
 480             # Inserting before is difficult, se we insert after or first child
 481             index = self.ItemIndex(nextItem)
 482             newItem = self.InsertItemBefore(itemParent, index,
 483                         xxx.treeName(), image=xxx.treeImage())
 484             self.SetPyData(newItem, xxx)
 485         else:
 486             parent.element.appendChild(elem)
 487             newItem = self.AppendItem(itemParent, xxx.treeName(), image=xxx.treeImage(),
 488                                       data=wxTreeItemData(xxx))
 489         # Add children items
 490         if xxx.hasChildren:
 491             treeObj = xxx.treeObject()
 492             for n in treeObj.element.childNodes:
 493                 if IsObject(n):
 494                     self.AddNode(newItem, treeObj, n)
 495         return newItem
 496
 497     # Remove leaf of tree, return it's data object
 498     def RemoveLeaf(self, leaf):
 499         xxx = self.GetPyData(leaf)
 500         node = xxx.element
 501         parent = node.parentNode
 502         parent.removeChild(node)
 503         self.Delete(leaf)
 504         # Reset selection object
 505         self.selection = None
 506         return node
 507     # Find position relative to the top-level window
 508     def FindNodePos(self, item):
 509         # Root at (0,0)
 510         if item == g.testWin.item: return wxPoint(0, 0)
 511         itemParent = self.GetItemParent(item)
 512         # Select NB page
 513         obj = self.FindNodeObject(item)
 514         if self.GetPyData(itemParent).treeObject().__class__ == xxxNotebook:
 515             notebook = self.FindNodeObject(itemParent)
 516             # Find position
 517             for i in range(notebook.GetPageCount()):
 518                 if notebook.GetPage(i) == obj:
 519                     if notebook.GetSelection() != i: notebook.SetSelection(i)
 520                     break
 521         # Find first ancestor which is a wxWindow (not a sizer)
 522         winParent = itemParent
 523         while self.GetPyData(winParent).isSizer:
 524             winParent = self.GetItemParent(winParent)
 525         parentPos = self.FindNodePos(winParent)
 526         # Position (-1,-1) is really (0,0)
 527         pos = obj.GetPosition()
 528         if pos == (-1,-1): pos = (0,0)
 529         return parentPos + pos
 530
 531     # Find window (or sizer) corresponding to a tree item.
 532     def FindNodeObject(self, item):
 533         testWin = g.testWin
 534         # If top-level, return testWin (or panel its panel)
 535         if item == testWin.item: return testWin.panel
 536         itemParent = self.GetItemParent(item)
 537         xxx = self.GetPyData(item).treeObject()
 538         parentWin = self.FindNodeObject(itemParent)
 539         # Top-level sizer? return window's sizer
 540         if xxx.isSizer and isinstance(parentWin, wxWindow):
 541             return parentWin.GetSizer()
 542         # Otherwise get parent's object and it's child
 543         child = parentWin.GetChildren()[self.ItemIndex(item)]
 544         # Return window or sizer for sizer items
 545         if child.GetClassName() == 'wxSizerItem':
 546             if child.IsWindow(): child = child.GetWindow()
 547             elif child.IsSizer():
 548                 child = child.GetSizer()
 549                 # Test for notebook sizers
 550                 if isinstance(child, wxNotebookSizer):
 551                     child = child.GetNotebook()
 552         return child
 553
 554     def OnSelChanged(self, evt):
 555         # Apply changes
 556         # !!! problem with wxGTK - GetOldItem is Ok if nothing selected
 557         #oldItem = evt.GetOldItem()
 558         status = ''
 559         oldItem = self.selection
 560         if oldItem:
 561             xxx = self.GetPyData(oldItem)
 562             # If some data was modified, apply changes
 563             if g.panel.IsModified():
 564                 self.Apply(xxx, oldItem)
 565                 #if conf.autoRefresh:
 566                 if g.testWin:
 567                     if g.testWin.highLight:
 568                         g.testWin.highLight.Remove()
 569                     self.needUpdate = True
 570                 status = 'Changes were applied'
 571         g.frame.SetStatusText(status)
 572         # Generate view
 573         self.selection = evt.GetItem()
 574         if not self.selection.IsOk():
 575             self.selection = None
 576             return
 577         xxx = self.GetPyData(self.selection)
 578         # Update panel
 579         g.panel.SetData(xxx)
 580         # Update tools
 581         g.tools.UpdateUI()
 582         # Hightlighting is done in OnIdle
 583         self.pendingHighLight = self.selection
 584
 585     # Check if item is in testWin subtree
 586     def IsHighlatable(self, item):
 587         if item == g.testWin.item: return False
 588         while item != self.root:
 589             item = self.GetItemParent(item)
 590             if item == g.testWin.item: return True
 591         return False
 592
 593     # Highlight selected item
 594     def HighLight(self, item):
 595         self.pendingHighLight = None
 596         # Can highlight only with some top-level windows
 597         if not g.testWin or self.GetPyData(g.testWin.item).treeObject().__class__ \
 598             not in [xxxDialog, xxxPanel, xxxFrame]:
 599             return
 600         # If a control from another window is selected, remove highlight
 601         if not self.IsHighlatable(item):
 602             if g.testWin.highLight: g.testWin.highLight.Remove()
 603             return
 604         # Get window/sizer object
 605         obj, pos = self.FindNodeObject(item), self.FindNodePos(item)
 606         size = obj.GetSize()
 607         # Highlight
 608         # Nagative positions are not working wuite well
 609         if g.testWin.highLight:
 610             g.testWin.highLight.Replace(pos, size)
 611         else:
 612             g.testWin.highLight = HighLightBox(pos, size)
 613         g.testWin.highLight.item = item
 614
 615     def ShowTestWindow(self, item):
 616         xxx = self.GetPyData(item)
 617         if g.panel.IsModified():
 618             self.Apply(xxx, item)       # apply changes
 619         treeObj = xxx.treeObject()
 620         if treeObj.className not in ['wxFrame', 'wxPanel', 'wxDialog',
 621                                      'wxMenuBar', 'wxToolBar']:
 622             wxLogMessage('No view for this element (yet)')
 623             return
 624         # Show item in bold
 625         if g.testWin:     # Reset old
 626             self.SetItemBold(g.testWin.item, False)
 627         self.CreateTestWin(item)
 628         # Maybe an error occured, so we need to test
 629         if g.testWin: self.SetItemBold(g.testWin.item)
 630
 631     # Double-click on Linux
 632     def OnItemActivated(self, evt):
 633         if evt.GetItem() != self.root:
 634             self.ShowTestWindow(evt.GetItem())
 635
 636     # Double-click on Windows
 637     def OnDClick(self, evt):
 638         item, flags = self.HitTest(evt.GetPosition())
 639         if flags in [wxTREE_HITTEST_ONITEMBUTTON, wxTREE_HITTEST_ONITEMLABEL]:
 640             if item != self.root: self.ShowTestWindow(item)
 641         else:
 642             evt.Skip()
 643
 644     def OnItemExpandedCollapsed(self, evt):
 645         # Update tool palette
 646         g.tools.UpdateUI()
 647         evt.Skip()
 648
 649     # (re)create test window
 650     def CreateTestWin(self, item):
 651         testWin = g.testWin
 652         # Create a window with this resource
 653         xxx = self.GetPyData(item).treeObject()
 654
 655         # If frame
 656 #        if xxx.__class__ == xxxFrame:
 657             # Frame can't have many children,
 658             # but it's first child possibly can...
 659 #            child = self.GetFirstChild(item)[0]
 660 #            if child.IsOk() and self.GetPyData(child).__class__ == xxxPanel:
 661 #                # Clean-up before recursive call or error
 662 #                wxMemoryFSHandler_RemoveFile('xxx.xrc')
 663 #                wxEndBusyCursor()
 664 #                self.CreateTestWin(child)
 665 #                return
 666
 667         wxBeginBusyCursor()
 668         wxYield()
 669         # Close old window, remember where it was
 670         highLight = None
 671         if testWin:
 672             pos = testWin.GetPosition()
 673             if item == testWin.item:
 674                 # Remember highlight if same top-level window
 675                 if testWin.highLight:
 676                     highLight = testWin.highLight.item
 677                 if xxx.className == 'wxPanel':
 678                     if testWin.highLight:
 679                         testWin.pendingHighLight = highLight
 680                         testWin.highLight.Remove()
 681                     testWin.panel.Destroy()
 682                     testWin.panel = None
 683                 else:
 684                     testWin.Destroy()
 685                     testWin = g.testWin = None
 686             else:
 687                 testWin.Destroy()
 688                 testWin = g.testWin = None
 689         else:
 690             pos = g.testWinPos
 691         # Save in memory FS
 692         memFile = MemoryFile('xxx.xrc')
 693         # Create partial XML file - faster for big files
 694
 695         dom = MyDocument()
 696         mainNode = dom.createElement('resource')
 697         dom.appendChild(mainNode)
 698
 699         # Remove temporarily from old parent
 700         elem = xxx.element
 701         # Change window id to _XRCED_T_W. This gives some name for
 702         # unnamed windows, and for named gives the possibility to
 703         # write sawfish scripts.
 704         if not xxx.name:
 705             name = 'noname'
 706         else:
 707             name = xxx.name
 708         elem.setAttribute('name', STD_NAME)
 709         parent = elem.parentNode
 710         next = elem.nextSibling
 711         parent.replaceChild(self.dummyNode, elem)
 712         # Append to new DOM, write it
 713         mainNode.appendChild(elem)
 714         dom.writexml(memFile, encoding=self.rootObj.params['encoding'].value())
 715         # Put back in place
 716         mainNode.removeChild(elem)
 717         dom.unlink()
 718         parent.replaceChild(elem, self.dummyNode)
 719         # Remove temporary name or restore changed
 720         if not xxx.name:
 721             elem.removeAttribute('name')
 722         else:
 723             elem.setAttribute('name', xxx.name)
 724         memFile.close()                 # write to wxMemoryFS
 725         xmlFlags = wxXRC_NO_SUBCLASSING
 726         # Use translations if encoding is not specified
 727         if g.currentEncoding == 'ascii':
 728             xmlFlags != wxXRC_USE_LOCALE
 729         res = wxXmlResource('', xmlFlags)
 730         res.Load('memory:xxx.xrc')
 731         try:
 732             if xxx.__class__ == xxxFrame:
 733                 # Frame can't have many children,
 734                 # but it's first child possibly can...
 735     #            child = self.GetFirstChild(item)[0]
 736     #            if child.IsOk() and self.GetPyData(child).__class__ == xxxPanel:
 737     #                # Clean-up before recursive call or error
 738     #                wxMemoryFSHandler_RemoveFile('xxx.xrc')
 739     #                wxEndBusyCursor()
 740     #                self.CreateTestWin(child)
 741     #                return
 742                 # This currently works under GTK, but not under MSW
 743                 testWin = g.testWin = wxPreFrame()
 744                 res.LoadOnFrame(testWin, g.frame, STD_NAME)
 745                 # Create status bar
 746                 testWin.panel = testWin
 747                 testWin.CreateStatusBar()
 748                 testWin.SetClientSize(testWin.GetBestSize())
 749                 testWin.panel = testWin
 750                 testWin.SetPosition(pos)
 751                 testWin.Show(True)
 752             elif xxx.__class__ == xxxPanel:
 753                 # Create new frame
 754                 if not testWin:
 755                     testWin = g.testWin = wxFrame(g.frame, -1, 'Panel: ' + name,
 756                                                   pos=pos, name=STD_NAME)
 757                 testWin.panel = res.LoadPanel(testWin, STD_NAME)
 758                 testWin.SetClientSize(testWin.GetBestSize())
 759                 testWin.Show(True)
 760             elif xxx.__class__ == xxxDialog:
 761                 testWin = g.testWin = res.LoadDialog(None, STD_NAME)
 762                 testWin.panel = testWin
 763                 testWin.Layout()
 764                 testWin.SetPosition(pos)
 765                 testWin.Show(True)
 766                 # Dialog's default code does not produce EVT_CLOSE
 767                 EVT_BUTTON(testWin, wxID_OK, self.OnCloseTestWin)
 768                 EVT_BUTTON(testWin, wxID_CANCEL, self.OnCloseTestWin)
 769             elif xxx.__class__ == xxxMenuBar:
 770                 testWin = g.testWin = wxFrame(g.frame, -1, 'MenuBar: ' + name,
 771                                               pos=pos, name=STD_NAME)
 772                 testWin.panel = None
 773                 # Set status bar to display help
 774                 testWin.CreateStatusBar()
 775                 testWin.menuBar = res.LoadMenuBar(STD_NAME)
 776                 testWin.SetMenuBar(testWin.menuBar)
 777                 testWin.Show(True)
 778             elif xxx.__class__ == xxxToolBar:
 779                 testWin = g.testWin = wxFrame(g.frame, -1, 'ToolBar: ' + name,
 780                                               pos=pos, name=STD_NAME)
 781                 testWin.panel = None
 782                 # Set status bar to display help
 783                 testWin.CreateStatusBar()
 784                 testWin.toolBar = res.LoadToolBar(testWin, STD_NAME)
 785                 testWin.SetToolBar(testWin.toolBar)
 786                 testWin.Show(True)
 787             testWin.item = item
 788             EVT_CLOSE(testWin, self.OnCloseTestWin)
 789             testWin.highLight = None
 790             if highLight and not self.pendingHighLight:
 791                 self.HighLight(highLight)
 792         except:
 793             if g.testWin:
 794                 self.SetItemBold(item, False)
 795                 g.testWinPos = g.testWin.GetPosition()
 796                 g.testWin.Destroy()
 797                 g.testWin = None
 798             inf = sys.exc_info()
 799             wxLogError(traceback.format_exception(inf[0], inf[1], None)[-1])
 800             wxLogError('Error loading resource')
 801         wxMemoryFSHandler_RemoveFile('xxx.xrc')
 802         wxEndBusyCursor()
 803
 804     def OnCloseTestWin(self, evt):
 805         self.SetItemBold(g.testWin.item, False)
 806         g.testWinPos = g.testWin.GetPosition()
 807         g.testWin.Destroy()
 808         g.testWin = None
 809
 810     # Return item index in parent
 811     def ItemIndex(self, item):
 812         n = 0                           # index of sibling
 813         prev = self.GetPrevSibling(item)
 814         while prev.IsOk():
 815             prev = self.GetPrevSibling(prev)
 816             n += 1
 817         return n
 818
 819     # Full tree index of an item - list of positions
 820     def ItemFullIndex(self, item):
 821         if not item.IsOk(): return None
 822         l = []
 823         while item != self.root:
 824             l.insert(0, self.ItemIndex(item))
 825             item = self.GetItemParent(item)
 826         return l
 827     # Get item position from full index
 828     def ItemAtFullIndex(self, index):
 829         if index is None: return wxTreeItemId()
 830         item = self.root
 831         for i in index:
 832             item = self.GetFirstChild(item)[0]
 833             for k in range(i): item = self.GetNextSibling(item)
 834         return item
 835
 836     # True if next item should be inserted after current (vs. appended to it)
 837     def NeedInsert(self, item):
 838         xxx = self.GetPyData(item)
 839         if item == self.root: return False        # root item
 840         if xxx.hasChildren and not self.GetChildrenCount(item, False):
 841             return False
 842         return not (self.IsExpanded(item) and self.GetChildrenCount(item, False))
 843
 844     # Pull-down
 845     def OnRightDown(self, evt):
 846         pullDownMenu = g.pullDownMenu
 847         # select this item
 848         pt = evt.GetPosition();
 849         item, flags = self.HitTest(pt)
 850         if item.Ok() and flags & wxTREE_HITTEST_ONITEM:
 851             self.SelectItem(item)
 852
 853         # Setup menu
 854         menu = wxMenu()
 855
 856         item = self.selection
 857         if not item:
 858             menu.Append(g.pullDownMenu.ID_EXPAND, 'Expand', 'Expand tree')
 859             menu.Append(g.pullDownMenu.ID_COLLAPSE, 'Collapse', 'Collapse tree')
 860         else:
 861 #            self.ctrl = evt.ControlDown() # save Ctrl state
 862 #            self.shift = evt.ShiftDown()  # and Shift too
 863             m = wxMenu()                  # create menu
 864             if self.ctrl:
 865                 needInsert = True
 866             else:
 867                 needInsert = self.NeedInsert(item)
 868             if item == self.root or needInsert and self.GetItemParent(item) == self.root:
 869                 SetMenu(m, pullDownMenu.topLevel)
 870             else:
 871                 xxx = self.GetPyData(item).treeObject()
 872                 # Check parent for possible child nodes if inserting sibling
 873                 if needInsert: xxx = xxx.parent
 874                 if xxx.__class__ == xxxMenuBar:
 875                     m.Append(ID_NEW.MENU, 'Menu', 'Create menu')
 876                 elif xxx.__class__ in [xxxToolBar, xxxTool] or \
 877                      xxx.__class__ == xxxSeparator and xxx.parent.__class__ == xxxToolBar:
 878                     SetMenu(m, pullDownMenu.toolBarControls)
 879                 elif xxx.__class__ in [xxxMenu, xxxMenuItem]:
 880                     SetMenu(m, pullDownMenu.menuControls)
 881                 else:
 882                     SetMenu(m, pullDownMenu.controls)
 883                     if xxx.__class__ == xxxNotebook:
 884                         m.Enable(m.FindItem('sizer'), False)
 885                     elif not (xxx.isSizer or xxx.parent and xxx.parent.isSizer):
 886                         m.Enable(ID_NEW.SPACER, False)
 887             # Select correct label for create menu
 888             if not needInsert:
 889                 if self.shift:
 890                     menu.AppendMenu(wxNewId(), 'Insert Child', m,
 891                                     'Create child object as the first child')
 892                 else:
 893                     menu.AppendMenu(wxNewId(), 'Append Child', m,
 894                                     'Create child object as the last child')
 895             else:
 896                 if self.shift:
 897                     menu.AppendMenu(wxNewId(), 'Create Sibling', m,
 898                                     'Create sibling before selected object')
 899                 else:
 900                     menu.AppendMenu(wxNewId(), 'Create Sibling', m,
 901                                     'Create sibling after selected object')
 902             # Build replace menu
 903             if item != self.root:
 904                 xxx = self.GetPyData(item).treeObject()
 905                 m = wxMenu()                  # create replace menu
 906                 if xxx.__class__ == xxxMenuBar:
 907                     m.Append(1000 + ID_NEW.MENU, 'Menu', 'Create menu')
 908                 elif xxx.__class__ in [xxxMenu, xxxMenuItem]:
 909                     SetMenu2(m, pullDownMenu.menuControls)
 910                 elif xxx.__class__ == xxxToolBar and \
 911                          self.GetItemParent(item) == self.root:
 912                     SetMenu2(m, [])
 913                 elif xxx.__class__ in [xxxFrame, xxxDialog, xxxPanel]:
 914                     SetMenu2(m, [
 915                         (ID_NEW.PANEL, 'Panel', 'Create panel'),
 916                         (ID_NEW.DIALOG, 'Dialog', 'Create dialog'),
 917                         (ID_NEW.FRAME, 'Frame', 'Create frame')])
 918                 elif xxx.isSizer:
 919                     SetMenu2(m, pullDownMenu.sizers)
 920                 else:
 921                     SetMenu2(m, pullDownMenu.controls)
 922                 id = wxNewId()
 923                 menu.AppendMenu(id, 'Replace With', m)
 924                 if not m.GetMenuItemCount(): menu.Enable(id, False)
 925                 menu.Append(pullDownMenu.ID_SUBCLASS, 'Subclass...',
 926                             'Set subclass property')
 927             menu.AppendSeparator()
 928             # Not using standart IDs because we don't want to show shortcuts
 929             menu.Append(wxID_CUT, 'Cut', 'Cut to the clipboard')
 930             menu.Append(wxID_COPY, 'Copy', 'Copy to the clipboard')
 931             if self.ctrl and item != self.root:
 932                 menu.Append(pullDownMenu.ID_PASTE_SIBLING, 'Paste Sibling',
 933                             'Paste from the clipboard as a sibling')
 934             else:
 935                 menu.Append(wxID_PASTE, 'Paste', 'Paste from the clipboard')
 936             menu.Append(pullDownMenu.ID_DELETE,
 937                                 'Delete', 'Delete object')
 938             if self.ItemHasChildren(item):
 939                 menu.AppendSeparator()
 940                 menu.Append(pullDownMenu.ID_EXPAND, 'Expand', 'Expand subtree')
 941                 menu.Append(pullDownMenu.ID_COLLAPSE, 'Collapse', 'Collapse subtree')
 942         self.PopupMenu(menu, evt.GetPosition())
 943         menu.Destroy()
 944
 945     # Apply changes
 946     def Apply(self, xxx, item):
 947         g.panel.Apply()
 948         # Update tree view
 949         xxx = xxx.treeObject()
 950         if xxx.hasName and self.GetItemText(item) != xxx.name:
 951             self.SetItemText(item, xxx.treeName())
 952             # Item width may have changed
 953             # !!! Tric to update tree width (wxGTK, ??)
 954             self.SetIndent(self.GetIndent())
 955         # Change tree icon for sizers
 956         if isinstance(xxx, xxxBoxSizer):
 957             self.SetItemImage(item, xxx.treeImage())
 958         # Set global modified state
 959         g.frame.modified = True
 960