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     SPLITTER_WINDOW = wxNewId()
  77     SCROLLED_WINDOW = wxNewId()
  78     HTML_WINDOW = wxNewId()
  79     CALENDAR_CTRL = wxNewId()
  80     GENERIC_DIR_CTRL = wxNewId()
  81     SPIN_CTRL = wxNewId()
  82     UNKNOWN = wxNewId()
  83
  84     BOX_SIZER = wxNewId()
  85     STATIC_BOX_SIZER = wxNewId()
  86     GRID_SIZER = wxNewId()
  87     FLEX_GRID_SIZER = wxNewId()
  88     GRID_BAG_SIZER = wxNewId()
  89     SPACER = wxNewId()
  90     TOOL_BAR = wxNewId()
  91     TOOL = wxNewId()
  92     MENU = wxNewId()
  93     MENU_ITEM = wxNewId()
  94     SEPARATOR = wxNewId()
  95     LAST = wxNewId()
  96
  97 class PullDownMenu:
  98     ID_EXPAND = wxNewId()
  99     ID_COLLAPSE = wxNewId()
 100     ID_PASTE_SIBLING = wxNewId()
 101     ID_SUBCLASS = wxNewId()
 102
 103     def __init__(self, parent):
 104         self.ID_DELETE = parent.ID_DELETE
 105         EVT_MENU_RANGE(parent, ID_NEW.PANEL, ID_NEW.LAST, parent.OnCreate)
 106         EVT_MENU_RANGE(parent, 1000 + ID_NEW.PANEL, 1000 + ID_NEW.LAST, parent.OnReplace)
 107         EVT_MENU(parent, self.ID_COLLAPSE, parent.OnCollapse)
 108         EVT_MENU(parent, self.ID_EXPAND, parent.OnExpand)
 109         EVT_MENU(parent, self.ID_PASTE_SIBLING, parent.OnPaste)
 110         EVT_MENU(parent, self.ID_SUBCLASS, parent.OnSubclass)
 111         # We connect to tree, but process in frame
 112         EVT_MENU_HIGHLIGHT_ALL(g.tree, parent.OnPullDownHighlight)
 113
 114         # Mapping from IDs to element names
 115         self.createMap = {
 116             ID_NEW.PANEL: 'wxPanel',
 117             ID_NEW.DIALOG: 'wxDialog',
 118             ID_NEW.FRAME: 'wxFrame',
 119             ID_NEW.TOOL_BAR: 'wxToolBar',
 120             ID_NEW.TOOL: 'tool',
 121             ID_NEW.MENU_BAR: 'wxMenuBar',
 122             ID_NEW.MENU: 'wxMenu',
 123             ID_NEW.MENU_ITEM: 'wxMenuItem',
 124             ID_NEW.SEPARATOR: 'separator',
 125
 126             ID_NEW.STATIC_TEXT: 'wxStaticText',
 127             ID_NEW.TEXT_CTRL: 'wxTextCtrl',
 128
 129             ID_NEW.BUTTON: 'wxButton',
 130             ID_NEW.BITMAP_BUTTON: 'wxBitmapButton',
 131             ID_NEW.RADIO_BUTTON: 'wxRadioButton',
 132             ID_NEW.SPIN_BUTTON: 'wxSpinButton',
 133
 134             ID_NEW.STATIC_BOX: 'wxStaticBox',
 135             ID_NEW.CHECK_BOX: 'wxCheckBox',
 136             ID_NEW.RADIO_BOX: 'wxRadioBox',
 137             ID_NEW.COMBO_BOX: 'wxComboBox',
 138             ID_NEW.LIST_BOX: 'wxListBox',
 139
 140             ID_NEW.STATIC_LINE: 'wxStaticLine',
 141             ID_NEW.STATIC_BITMAP: 'wxStaticBitmap',
 142             ID_NEW.CHOICE: 'wxChoice',
 143             ID_NEW.SLIDER: 'wxSlider',
 144             ID_NEW.GAUGE: 'wxGauge',
 145             ID_NEW.SCROLL_BAR: 'wxScrollBar',
 146             ID_NEW.TREE_CTRL: 'wxTreeCtrl',
 147             ID_NEW.LIST_CTRL: 'wxListCtrl',
 148             ID_NEW.CHECK_LIST: 'wxCheckListBox',
 149             ID_NEW.NOTEBOOK: 'wxNotebook',
 150             ID_NEW.SPLITTER_WINDOW: 'wxSplitterWindow',
 151             ID_NEW.SCROLLED_WINDOW: 'wxScrolledWindow',
 152             ID_NEW.HTML_WINDOW: 'wxHtmlWindow',
 153             ID_NEW.CALENDAR_CTRL: 'wxCalendarCtrl',
 154             ID_NEW.GENERIC_DIR_CTRL: 'wxGenericDirCtrl',
 155             ID_NEW.SPIN_CTRL: 'wxSpinCtrl',
 156
 157             ID_NEW.BOX_SIZER: 'wxBoxSizer',
 158             ID_NEW.STATIC_BOX_SIZER: 'wxStaticBoxSizer',
 159             ID_NEW.GRID_SIZER: 'wxGridSizer',
 160             ID_NEW.FLEX_GRID_SIZER: 'wxFlexGridSizer',
 161             ID_NEW.GRID_BAG_SIZER: 'wxGridBagSizer',
 162             ID_NEW.SPACER: 'spacer',
 163             ID_NEW.UNKNOWN: 'unknown',
 164             }
 165         self.topLevel = [
 166             (ID_NEW.PANEL, 'Panel', 'Create panel'),
 167             (ID_NEW.DIALOG, 'Dialog', 'Create dialog'),
 168             (ID_NEW.FRAME, 'Frame', 'Create frame'),
 169             None,
 170             (ID_NEW.TOOL_BAR, 'ToolBar', 'Create toolbar'),
 171             (ID_NEW.MENU_BAR, 'MenuBar', 'Create menubar'),
 172             (ID_NEW.MENU, 'Menu', 'Create menu')
 173             ]
 174         self.containers = [
 175              (ID_NEW.PANEL, 'Panel', 'Create panel'),
 176              (ID_NEW.NOTEBOOK, 'Notebook', 'Create notebook control'),
 177              (ID_NEW.SPLITTER_WINDOW, 'SplitterWindow', 'Create splitter window'),
 178              (ID_NEW.TOOL_BAR, 'ToolBar', 'Create toolbar'),
 179             ]
 180         self.sizers = [
 181              (ID_NEW.BOX_SIZER, 'BoxSizer', 'Create box sizer'),
 182              (ID_NEW.STATIC_BOX_SIZER, 'StaticBoxSizer',
 183               'Create static box sizer'),
 184              (ID_NEW.GRID_SIZER, 'GridSizer', 'Create grid sizer'),
 185              (ID_NEW.FLEX_GRID_SIZER, 'FlexGridSizer',
 186               'Create flexgrid sizer'),
 187              (ID_NEW.GRID_BAG_SIZER, 'GridBagSizer',
 188               'Create gridbag sizer'),
 189              (ID_NEW.SPACER, 'Spacer', 'Create spacer'),
 190              ]
 191         self.controls = [
 192             ['control', 'Various controls',
 193              (ID_NEW.STATIC_TEXT, 'Label', 'Create label'),
 194              (ID_NEW.STATIC_BITMAP, 'Bitmap', 'Create bitmap'),
 195              (ID_NEW.STATIC_LINE, 'Line', 'Create line'),
 196              (ID_NEW.TEXT_CTRL, 'TextBox', 'Create text box'),
 197              (ID_NEW.CHOICE, 'Choice', 'Create choice'),
 198              (ID_NEW.SLIDER, 'Slider', 'Create slider'),
 199              (ID_NEW.GAUGE, 'Gauge', 'Create gauge'),
 200              (ID_NEW.SPIN_CTRL, 'SpinCtrl', 'Create spin'),
 201              (ID_NEW.SCROLL_BAR, 'ScrollBar', 'Create scroll bar'),
 202              (ID_NEW.TREE_CTRL, 'TreeCtrl', 'Create tree'),
 203              (ID_NEW.LIST_CTRL, 'ListCtrl', 'Create list'),
 204              (ID_NEW.CHECK_LIST, 'CheckList', 'Create check list'),
 205              (ID_NEW.SCROLLED_WINDOW, 'ScrolledWindow', 'Create scrolled window'),
 206              (ID_NEW.HTML_WINDOW, 'HtmlWindow', 'Create HTML window'),
 207              (ID_NEW.CALENDAR_CTRL, 'CalendarCtrl', 'Create calendar control'),
 208              (ID_NEW.GENERIC_DIR_CTRL, 'GenericDirCtrl', 'Create generic dir control'),
 209              (ID_NEW.UNKNOWN, 'Unknown', 'Create custom control placeholder'),
 210              ],
 211             ['button', 'Buttons',
 212              (ID_NEW.BUTTON, 'Button', 'Create button'),
 213              (ID_NEW.BITMAP_BUTTON, 'BitmapButton', 'Create bitmap button'),
 214              (ID_NEW.RADIO_BUTTON, 'RadioButton', 'Create radio button'),
 215              (ID_NEW.SPIN_BUTTON, 'SpinButton', 'Create spin button'),
 216              ],
 217             ['box', 'Boxes',
 218              (ID_NEW.STATIC_BOX, 'StaticBox', 'Create static box'),
 219              (ID_NEW.CHECK_BOX, 'CheckBox', 'Create check box'),
 220              (ID_NEW.RADIO_BOX, 'RadioBox', 'Create radio box'),
 221              (ID_NEW.COMBO_BOX, 'ComboBox', 'Create combo box'),
 222              (ID_NEW.LIST_BOX, 'ListBox', 'Create list box'),
 223              ],
 224             ['container', 'Containers',
 225              (ID_NEW.PANEL, 'Panel', 'Create panel'),
 226              (ID_NEW.NOTEBOOK, 'Notebook', 'Create notebook control'),
 227              (ID_NEW.SPLITTER_WINDOW, 'SplitterWindow', 'Create splitter window'),
 228              (ID_NEW.TOOL_BAR, 'ToolBar', 'Create toolbar'),
 229              ],
 230             ['sizer', 'Sizers',
 231              (ID_NEW.BOX_SIZER, 'BoxSizer', 'Create box sizer'),
 232              (ID_NEW.STATIC_BOX_SIZER, 'StaticBoxSizer',
 233               'Create static box sizer'),
 234              (ID_NEW.GRID_SIZER, 'GridSizer', 'Create grid sizer'),
 235              (ID_NEW.FLEX_GRID_SIZER, 'FlexGridSizer',
 236               'Create flexgrid sizer'),
 237              (ID_NEW.GRID_BAG_SIZER, 'GridBagSizer',
 238               'Create gridbag sizer'),
 239              (ID_NEW.SPACER, 'Spacer', 'Create spacer'),
 240              ]
 241             ]
 242         self.menuControls = [
 243             (ID_NEW.MENU, 'Menu', 'Create menu'),
 244             (ID_NEW.MENU_ITEM, 'MenuItem', 'Create menu item'),
 245             (ID_NEW.SEPARATOR, 'Separator', 'Create separator'),
 246             ]
 247         self.toolBarControls = [
 248             (ID_NEW.TOOL, 'Tool', 'Create tool'),
 249             (ID_NEW.SEPARATOR, 'Separator', 'Create separator'),
 250             ['control', 'Various controls',
 251              (ID_NEW.STATIC_TEXT, 'Label', 'Create label'),
 252              (ID_NEW.STATIC_BITMAP, 'Bitmap', 'Create bitmap'),
 253              (ID_NEW.STATIC_LINE, 'Line', 'Create line'),
 254              (ID_NEW.TEXT_CTRL, 'TextBox', 'Create text box'),
 255              (ID_NEW.CHOICE, 'Choice', 'Create choice'),
 256              (ID_NEW.SLIDER, 'Slider', 'Create slider'),
 257              (ID_NEW.GAUGE, 'Gauge', 'Create gauge'),
 258              (ID_NEW.SCROLL_BAR, 'ScrollBar', 'Create scroll bar'),
 259              (ID_NEW.LIST_CTRL, 'ListCtrl', 'Create list control'),
 260              (ID_NEW.CHECK_LIST, 'CheckList', 'Create check list'),
 261              ],
 262             ['button', 'Buttons',
 263              (ID_NEW.BUTTON, 'Button', 'Create button'),
 264              (ID_NEW.BITMAP_BUTTON, 'BitmapButton', 'Create bitmap button'),
 265              (ID_NEW.RADIO_BUTTON, 'RadioButton', 'Create radio button'),
 266              (ID_NEW.SPIN_BUTTON, 'SpinButton', 'Create spin button'),
 267              ],
 268             ['box', 'Boxes',
 269              (ID_NEW.STATIC_BOX, 'StaticBox', 'Create static box'),
 270              (ID_NEW.CHECK_BOX, 'CheckBox', 'Create check box'),
 271              (ID_NEW.RADIO_BOX, 'RadioBox', 'Create radio box'),
 272              (ID_NEW.COMBO_BOX, 'ComboBox', 'Create combo box'),
 273              (ID_NEW.LIST_BOX, 'ListBox', 'Create list box'),
 274              ],
 275             ]
 276
 277 ################################################################################
 278
 279 # Set menu to list items.
 280 # Each menu command is a tuple (id, label, help)
 281 # submenus are lists [id, label, help, submenu]
 282 # and separators are any other type
 283 def SetMenu(m, list):
 284     for l in list:
 285         if type(l) == types.TupleType:
 286             apply(m.Append, l)
 287         elif type(l) == types.ListType:
 288             subMenu = wxMenu()
 289             SetMenu(subMenu, l[2:])
 290             m.AppendMenu(wxNewId(), l[0], subMenu, l[1])
 291         else:                           # separator
 292             m.AppendSeparator()
 293 # Same, but adds 1000 to all IDs
 294 def SetMenu2(m, list):
 295     for l in list:
 296         if type(l) == types.TupleType:
 297             # Shift ID
 298             l = (1000 + l[0],) + l[1:]
 299             apply(m.Append, l)
 300         elif type(l) == types.ListType:
 301             subMenu = wxMenu()
 302             SetMenu2(subMenu, l[2:])
 303             m.AppendMenu(wxNewId(), l[0], subMenu, l[1])
 304         else:                           # separator
 305             m.AppendSeparator()
 306
 307 ################################################################################
 308
 309 class HighLightBox:
 310     def __init__(self, pos, size):
 311         if size.width == -1: size.width = 0
 312         if size.height == -1: size.height = 0
 313         w = g.testWin.panel
 314         l1 = wxWindow(w, -1, pos, wxSize(size.width, 2))
 315         l1.SetBackgroundColour(wxRED)
 316         l2 = wxWindow(w, -1, pos, wxSize(2, size.height))
 317         l2.SetBackgroundColour(wxRED)
 318         l3 = wxWindow(w, -1, wxPoint(pos.x + size.width - 2, pos.y), wxSize(2, size.height))
 319         l3.SetBackgroundColour(wxRED)
 320         l4 = wxWindow(w, -1, wxPoint(pos.x, pos.y + size.height - 2), wxSize(size.width, 2))
 321         l4.SetBackgroundColour(wxRED)
 322         self.lines = [l1, l2, l3, l4]
 323     # Move highlight to a new position
 324     def Replace(self, pos, size):
 325         if size.width == -1: size.width = 0
 326         if size.height == -1: size.height = 0
 327         self.lines[0].SetDimensions(pos.x, pos.y, size.width, 2)
 328         self.lines[1].SetDimensions(pos.x, pos.y, 2, size.height)
 329         self.lines[2].SetDimensions(pos.x + size.width - 2, pos.y, 2, size.height)
 330         self.lines[3].SetDimensions(pos.x, pos.y + size.height - 2, size.width, 2)
 331     # Remove it
 332     def Remove(self):
 333         map(wxWindow.Destroy, self.lines)
 334         g.testWin.highLight = None
 335
 336 ################################################################################
 337
 338 class XML_Tree(wxTreeCtrl):
 339     def __init__(self, parent, id):
 340         wxTreeCtrl.__init__(self, parent, id, style = wxTR_HAS_BUTTONS)
 341         self.SetBackgroundColour(wxColour(224, 248, 224))
 342         # Register events
 343         EVT_TREE_SEL_CHANGED(self, self.GetId(), self.OnSelChanged)
 344         # One works on Linux, another on Windows
 345         if wxPlatform == '__WXGTK__':
 346             EVT_TREE_ITEM_ACTIVATED(self, self.GetId(), self.OnItemActivated)
 347         else:
 348             EVT_LEFT_DCLICK(self, self.OnDClick)
 349         EVT_RIGHT_DOWN(self, self.OnRightDown)
 350         EVT_TREE_ITEM_EXPANDED(self, self.GetId(), self.OnItemExpandedCollapsed)
 351         EVT_TREE_ITEM_COLLAPSED(self, self.GetId(), self.OnItemExpandedCollapsed)
 352
 353         self.selection = None
 354         self.needUpdate = False
 355         self.pendingHighLight = None
 356         self.ctrl = self.shift = False
 357         self.dom = None
 358         # Create image list
 359         il = wxImageList(16, 16, True)
 360         self.rootImage = il.Add(images.getTreeRootImage().Scale(16,16).ConvertToBitmap())
 361         xxxObject.image = il.Add(images.getTreeDefaultImage().Scale(16,16).ConvertToBitmap())
 362         xxxPanel.image = il.Add(images.getTreePanelImage().Scale(16,16).ConvertToBitmap())
 363         xxxDialog.image = il.Add(images.getTreeDialogImage().Scale(16,16).ConvertToBitmap())
 364         xxxFrame.image = il.Add(images.getTreeFrameImage().Scale(16,16).ConvertToBitmap())
 365         xxxMenuBar.image = il.Add(images.getTreeMenuBarImage().Scale(16,16).ConvertToBitmap())
 366         xxxMenu.image = il.Add(images.getTreeMenuImage().Scale(16,16).ConvertToBitmap())
 367         xxxMenuItem.image = il.Add(images.getTreeMenuItemImage().Scale(16,16).ConvertToBitmap())
 368         xxxToolBar.image = il.Add(images.getTreeToolBarImage().Scale(16,16).ConvertToBitmap())
 369         xxxTool.image = il.Add(images.getTreeToolImage().Scale(16,16).ConvertToBitmap())
 370         xxxSeparator.image = il.Add(images.getTreeSeparatorImage().Scale(16,16).ConvertToBitmap())
 371         xxxSizer.imageH = il.Add(images.getTreeSizerHImage().Scale(16,16).ConvertToBitmap())
 372         xxxSizer.imageV = il.Add(images.getTreeSizerVImage().Scale(16,16).ConvertToBitmap())
 373         xxxStaticBoxSizer.imageH = il.Add(images.getTreeStaticBoxSizerHImage().Scale(16,16).ConvertToBitmap())
 374         xxxStaticBoxSizer.imageV = il.Add(images.getTreeStaticBoxSizerVImage().Scale(16,16).ConvertToBitmap())
 375         xxxGridSizer.image = il.Add(images.getTreeSizerGridImage().Scale(16,16).ConvertToBitmap())
 376         xxxFlexGridSizer.image = il.Add(images.getTreeSizerFlexGridImage().Scale(16,16).ConvertToBitmap())
 377         self.il = il
 378         self.SetImageList(il)
 379
 380     def RegisterKeyEvents(self):
 381         EVT_KEY_DOWN(self, g.tools.OnKeyDown)
 382         EVT_KEY_UP(self, g.tools.OnKeyUp)
 383         EVT_ENTER_WINDOW(self, g.tools.OnMouse)
 384         EVT_LEAVE_WINDOW(self, g.tools.OnMouse)
 385
 386     def Unselect(self):
 387         self.selection = None
 388         wxTreeCtrl.Unselect(self)
 389         g.tools.UpdateUI()
 390
 391     def ExpandAll(self, item):
 392         if self.ItemHasChildren(item):
 393             self.Expand(item)
 394             i, cookie = self.GetFirstChild(item)
 395             children = []
 396             while i.IsOk():
 397                 children.append(i)
 398                 i, cookie = self.GetNextChild(item, cookie)
 399             for i in children:
 400                 self.ExpandAll(i)
 401     def CollapseAll(self, item):
 402         if self.ItemHasChildren(item):
 403             i, cookie = self.GetFirstChild(item)
 404             children = []
 405             while i.IsOk():
 406                 children.append(i)
 407                 i, cookie = self.GetNextChild(item, cookie)
 408             for i in children:
 409                 self.CollapseAll(i)
 410             self.Collapse(item)
 411
 412     # Clear tree
 413     def Clear(self):
 414         self.DeleteAllItems()
 415         # Add minimal structure
 416         if self.dom: self.dom.unlink()
 417         self.dom = MyDocument()
 418         self.dummyNode = self.dom.createComment('dummy node')
 419         # Create main node
 420         self.mainNode = self.dom.createElement('resource')
 421         self.dom.appendChild(self.mainNode)
 422         self.rootObj = xxxMainNode(self.dom)
 423         self.root = self.AddRoot('XML tree', self.rootImage,
 424                                  data=wxTreeItemData(self.rootObj))
 425         self.SetItemHasChildren(self.root)
 426         self.Unselect()
 427         self.Expand(self.root)
 428
 429     # Clear old data and set new
 430     def SetData(self, dom):
 431         self.DeleteAllItems()
 432         # Add minimal structure
 433         if self.dom: self.dom.unlink()
 434         self.dom = dom
 435         self.dummyNode = self.dom.createComment('dummy node')
 436         # Find 'resource' child, add it's children
 437         self.mainNode = dom.documentElement
 438         self.rootObj = xxxMainNode(self.dom)
 439         self.root = self.AddRoot('XML tree', self.rootImage,
 440                                  data=wxTreeItemData(self.rootObj))
 441         self.SetItemHasChildren(self.root)
 442         nodes = self.mainNode.childNodes[:]
 443         for node in nodes:
 444             if IsObject(node):
 445                 self.AddNode(self.root, None, node)
 446             else:
 447                 self.mainNode.removeChild(node)
 448                 node.unlink()
 449         self.Expand(self.root)
 450         self.Unselect()
 451
 452     # Add tree item for given parent item if node is DOM element node with
 453     # 'object' tag. xxxParent is parent xxx object
 454     def AddNode(self, itemParent, xxxParent, node):
 455         # Set item data to current node
 456         try:
 457             xxx = MakeXXXFromDOM(xxxParent, node)
 458         except:
 459             print 'ERROR: MakeXXXFromDom(%s, %s)' % (xxxParent, node)
 460             raise
 461         treeObj = xxx.treeObject()
 462         # Append tree item
 463         item = self.AppendItem(itemParent, treeObj.treeName(),
 464                                image=treeObj.treeImage(),
 465                                data=wxTreeItemData(xxx))
 466         # Try to find children objects
 467         if treeObj.hasChildren:
 468             nodes = treeObj.element.childNodes[:]
 469             for n in nodes:
 470                 if IsObject(n):
 471                     self.AddNode(item, treeObj, n)
 472                 elif n.nodeType != minidom.Node.ELEMENT_NODE:
 473                     treeObj.element.removeChild(n)
 474                     n.unlink()
 475
 476     # Insert new item at specific position
 477     def InsertNode(self, itemParent, parent, elem, nextItem):
 478         # Insert in XML tree and wxWin
 479         xxx = MakeXXXFromDOM(parent, elem)
 480         # If nextItem is None, we append to parent, otherwise insert before it
 481         if nextItem.IsOk():
 482             node = self.GetPyData(nextItem).element
 483             parent.element.insertBefore(elem, node)
 484             # Inserting before is difficult, se we insert after or first child
 485             index = self.ItemIndex(nextItem)
 486             newItem = self.InsertItemBefore(itemParent, index,
 487                         xxx.treeName(), image=xxx.treeImage())
 488             self.SetPyData(newItem, xxx)
 489         else:
 490             parent.element.appendChild(elem)
 491             newItem = self.AppendItem(itemParent, xxx.treeName(), image=xxx.treeImage(),
 492                                       data=wxTreeItemData(xxx))
 493         # Add children items
 494         if xxx.hasChildren:
 495             treeObj = xxx.treeObject()
 496             for n in treeObj.element.childNodes:
 497                 if IsObject(n):
 498                     self.AddNode(newItem, treeObj, n)
 499         return newItem
 500
 501     # Remove leaf of tree, return it's data object
 502     def RemoveLeaf(self, leaf):
 503         xxx = self.GetPyData(leaf)
 504         node = xxx.element
 505         parent = node.parentNode
 506         parent.removeChild(node)
 507         self.Delete(leaf)
 508         # Reset selection object
 509         self.selection = None
 510         return node
 511     # Find position relative to the top-level window
 512     def FindNodePos(self, item):
 513         # Root at (0,0)
 514         if item == g.testWin.item: return wxPoint(0, 0)
 515         itemParent = self.GetItemParent(item)
 516         # Select NB page
 517         obj = self.FindNodeObject(item)
 518         if self.GetPyData(itemParent).treeObject().__class__ == xxxNotebook:
 519             notebook = self.FindNodeObject(itemParent)
 520             # Find position
 521             for i in range(notebook.GetPageCount()):
 522                 if notebook.GetPage(i) == obj:
 523                     if notebook.GetSelection() != i: notebook.SetSelection(i)
 524                     break
 525         # Find first ancestor which is a wxWindow (not a sizer)
 526         winParent = itemParent
 527         while self.GetPyData(winParent).isSizer:
 528             winParent = self.GetItemParent(winParent)
 529         parentPos = self.FindNodePos(winParent)
 530         # Position (-1,-1) is really (0,0)
 531         pos = obj.GetPosition()
 532         if pos == (-1,-1): pos = (0,0)
 533         return parentPos + pos
 534
 535     # Find window (or sizer) corresponding to a tree item.
 536     def FindNodeObject(self, item):
 537         testWin = g.testWin
 538         # If top-level, return testWin (or panel its panel)
 539         if item == testWin.item: return testWin.panel
 540         itemParent = self.GetItemParent(item)
 541         xxx = self.GetPyData(item).treeObject()
 542         parentWin = self.FindNodeObject(itemParent)
 543         # Top-level sizer? return window's sizer
 544         if xxx.isSizer and isinstance(parentWin, wxWindow):
 545             return parentWin.GetSizer()
 546         # Otherwise get parent's object and it's child
 547         child = parentWin.GetChildren()[self.ItemIndex(item)]
 548         # Return window or sizer for sizer items
 549         if child.GetClassName() == 'wxSizerItem':
 550             if child.IsWindow(): child = child.GetWindow()
 551             elif child.IsSizer():
 552                 child = child.GetSizer()
 553                 # Test for notebook sizers
 554                 if isinstance(child, wxNotebookSizer):
 555                     child = child.GetNotebook()
 556         return child
 557
 558     def OnSelChanged(self, evt):
 559         # Apply changes
 560         # !!! problem with wxGTK - GetOldItem is Ok if nothing selected
 561         #oldItem = evt.GetOldItem()
 562         status = ''
 563         oldItem = self.selection
 564         if oldItem:
 565             xxx = self.GetPyData(oldItem)
 566             # If some data was modified, apply changes
 567             if g.panel.IsModified():
 568                 self.Apply(xxx, oldItem)
 569                 #if conf.autoRefresh:
 570                 if g.testWin:
 571                     if g.testWin.highLight:
 572                         g.testWin.highLight.Remove()
 573                     self.needUpdate = True
 574                 status = 'Changes were applied'
 575         g.frame.SetStatusText(status)
 576         # Generate view
 577         self.selection = evt.GetItem()
 578         if not self.selection.IsOk():
 579             self.selection = None
 580             return
 581         xxx = self.GetPyData(self.selection)
 582         # Update panel
 583         g.panel.SetData(xxx)
 584         # Update tools
 585         g.tools.UpdateUI()
 586         # Hightlighting is done in OnIdle
 587         self.pendingHighLight = self.selection
 588
 589     # Check if item is in testWin subtree
 590     def IsHighlatable(self, item):
 591         if item == g.testWin.item: return False
 592         while item != self.root:
 593             item = self.GetItemParent(item)
 594             if item == g.testWin.item: return True
 595         return False
 596
 597     # Highlight selected item
 598     def HighLight(self, item):
 599         self.pendingHighLight = None
 600         # Can highlight only with some top-level windows
 601         if not g.testWin or self.GetPyData(g.testWin.item).treeObject().__class__ \
 602             not in [xxxDialog, xxxPanel, xxxFrame]:
 603             return
 604         # If a control from another window is selected, remove highlight
 605         if not self.IsHighlatable(item):
 606             if g.testWin.highLight: g.testWin.highLight.Remove()
 607             return
 608         # Get window/sizer object
 609         obj, pos = self.FindNodeObject(item), self.FindNodePos(item)
 610         size = obj.GetSize()
 611         # Highlight
 612         # Nagative positions are not working wuite well
 613         if g.testWin.highLight:
 614             g.testWin.highLight.Replace(pos, size)
 615         else:
 616             g.testWin.highLight = HighLightBox(pos, size)
 617         g.testWin.highLight.item = item
 618
 619     def ShowTestWindow(self, item):
 620         xxx = self.GetPyData(item)
 621         if g.panel.IsModified():
 622             self.Apply(xxx, item)       # apply changes
 623         treeObj = xxx.treeObject()
 624         if treeObj.className not in ['wxFrame', 'wxPanel', 'wxDialog',
 625                                      'wxMenuBar', 'wxToolBar']:
 626             wxLogMessage('No view for this element (yet)')
 627             return
 628         # Show item in bold
 629         if g.testWin:     # Reset old
 630             self.SetItemBold(g.testWin.item, False)
 631         self.CreateTestWin(item)
 632         # Maybe an error occured, so we need to test
 633         if g.testWin: self.SetItemBold(g.testWin.item)
 634
 635     # Double-click on Linux
 636     def OnItemActivated(self, evt):
 637         if evt.GetItem() != self.root:
 638             self.ShowTestWindow(evt.GetItem())
 639
 640     # Double-click on Windows
 641     def OnDClick(self, evt):
 642         item, flags = self.HitTest(evt.GetPosition())
 643         if flags in [wxTREE_HITTEST_ONITEMBUTTON, wxTREE_HITTEST_ONITEMLABEL]:
 644             if item != self.root: self.ShowTestWindow(item)
 645         else:
 646             evt.Skip()
 647
 648     def OnItemExpandedCollapsed(self, evt):
 649         # Update tool palette
 650         g.tools.UpdateUI()
 651         evt.Skip()
 652
 653     # (re)create test window
 654     def CreateTestWin(self, item):
 655         testWin = g.testWin
 656         # Create a window with this resource
 657         xxx = self.GetPyData(item).treeObject()
 658
 659         # If frame
 660 #        if xxx.__class__ == xxxFrame:
 661             # Frame can't have many children,
 662             # but it's first child possibly can...
 663 #            child = self.GetFirstChild(item)[0]
 664 #            if child.IsOk() and self.GetPyData(child).__class__ == xxxPanel:
 665 #                # Clean-up before recursive call or error
 666 #                wxMemoryFSHandler_RemoveFile('xxx.xrc')
 667 #                wxEndBusyCursor()
 668 #                self.CreateTestWin(child)
 669 #                return
 670
 671         wxBeginBusyCursor()
 672         wxYield()
 673         # Close old window, remember where it was
 674         highLight = None
 675         if testWin:
 676             pos = testWin.GetPosition()
 677             if item == testWin.item:
 678                 # Remember highlight if same top-level window
 679                 if testWin.highLight:
 680                     highLight = testWin.highLight.item
 681                 if xxx.className == 'wxPanel':
 682                     if testWin.highLight:
 683                         testWin.pendingHighLight = highLight
 684                         testWin.highLight.Remove()
 685                     testWin.panel.Destroy()
 686                     testWin.panel = None
 687                 else:
 688                     testWin.Destroy()
 689                     testWin = g.testWin = None
 690             else:
 691                 testWin.Destroy()
 692                 testWin = g.testWin = None
 693         else:
 694             pos = g.testWinPos
 695         # Save in memory FS
 696         memFile = MemoryFile('xxx.xrc')
 697         # Create partial XML file - faster for big files
 698
 699         dom = MyDocument()
 700         mainNode = dom.createElement('resource')
 701         dom.appendChild(mainNode)
 702
 703         # Remove temporarily from old parent
 704         elem = xxx.element
 705         # Change window id to _XRCED_T_W. This gives some name for
 706         # unnamed windows, and for named gives the possibility to
 707         # write sawfish scripts.
 708         if not xxx.name:
 709             name = 'noname'
 710         else:
 711             name = xxx.name
 712         elem.setAttribute('name', STD_NAME)
 713         parent = elem.parentNode
 714         next = elem.nextSibling
 715         parent.replaceChild(self.dummyNode, elem)
 716         # Append to new DOM, write it
 717         mainNode.appendChild(elem)
 718         dom.writexml(memFile, encoding=self.rootObj.params['encoding'].value())
 719         # Put back in place
 720         mainNode.removeChild(elem)
 721         dom.unlink()
 722         parent.replaceChild(elem, self.dummyNode)
 723         # Remove temporary name or restore changed
 724         if not xxx.name:
 725             elem.removeAttribute('name')
 726         else:
 727             elem.setAttribute('name', xxx.name)
 728         memFile.close()                 # write to wxMemoryFS
 729         xmlFlags = wxXRC_NO_SUBCLASSING
 730         # Use translations if encoding is not specified
 731         if g.currentEncoding == 'ascii':
 732             xmlFlags != wxXRC_USE_LOCALE
 733         res = wxXmlResource('', xmlFlags)
 734         res.Load('memory:xxx.xrc')
 735         try:
 736             if xxx.__class__ == xxxFrame:
 737                 # Frame can't have many children,
 738                 # but it's first child possibly can...
 739     #            child = self.GetFirstChild(item)[0]
 740     #            if child.IsOk() and self.GetPyData(child).__class__ == xxxPanel:
 741     #                # Clean-up before recursive call or error
 742     #                wxMemoryFSHandler_RemoveFile('xxx.xrc')
 743     #                wxEndBusyCursor()
 744     #                self.CreateTestWin(child)
 745     #                return
 746                 # This currently works under GTK, but not under MSW
 747                 testWin = g.testWin = wxPreFrame()
 748                 res.LoadOnFrame(testWin, g.frame, STD_NAME)
 749                 # Create status bar
 750                 testWin.panel = testWin
 751                 testWin.CreateStatusBar()
 752                 testWin.SetClientSize(testWin.GetBestSize())
 753                 testWin.panel = testWin
 754                 testWin.SetPosition(pos)
 755                 testWin.Show(True)
 756             elif xxx.__class__ == xxxPanel:
 757                 # Create new frame
 758                 if not testWin:
 759                     testWin = g.testWin = wxFrame(g.frame, -1, 'Panel: ' + name,
 760                                                   pos=pos, name=STD_NAME)
 761                 testWin.panel = res.LoadPanel(testWin, STD_NAME)
 762                 testWin.SetClientSize(testWin.GetBestSize())
 763                 testWin.Show(True)
 764             elif xxx.__class__ == xxxDialog:
 765                 testWin = g.testWin = res.LoadDialog(None, STD_NAME)
 766                 testWin.panel = testWin
 767                 testWin.Layout()
 768                 testWin.SetPosition(pos)
 769                 testWin.Show(True)
 770                 # Dialog's default code does not produce EVT_CLOSE
 771                 EVT_BUTTON(testWin, wxID_OK, self.OnCloseTestWin)
 772                 EVT_BUTTON(testWin, wxID_CANCEL, self.OnCloseTestWin)
 773             elif xxx.__class__ == xxxMenuBar:
 774                 testWin = g.testWin = wxFrame(g.frame, -1, 'MenuBar: ' + name,
 775                                               pos=pos, name=STD_NAME)
 776                 testWin.panel = None
 777                 # Set status bar to display help
 778                 testWin.CreateStatusBar()
 779                 testWin.menuBar = res.LoadMenuBar(STD_NAME)
 780                 testWin.SetMenuBar(testWin.menuBar)
 781                 testWin.Show(True)
 782             elif xxx.__class__ == xxxToolBar:
 783                 testWin = g.testWin = wxFrame(g.frame, -1, 'ToolBar: ' + name,
 784                                               pos=pos, name=STD_NAME)
 785                 testWin.panel = None
 786                 # Set status bar to display help
 787                 testWin.CreateStatusBar()
 788                 testWin.toolBar = res.LoadToolBar(testWin, STD_NAME)
 789                 testWin.SetToolBar(testWin.toolBar)
 790                 testWin.Show(True)
 791             testWin.item = item
 792             EVT_CLOSE(testWin, self.OnCloseTestWin)
 793             testWin.highLight = None
 794             if highLight and not self.pendingHighLight:
 795                 self.HighLight(highLight)
 796         except:
 797             if g.testWin:
 798                 self.SetItemBold(item, False)
 799                 g.testWinPos = g.testWin.GetPosition()
 800                 g.testWin.Destroy()
 801                 g.testWin = None
 802             inf = sys.exc_info()
 803             wxLogError(traceback.format_exception(inf[0], inf[1], None)[-1])
 804             wxLogError('Error loading resource')
 805         wxMemoryFSHandler_RemoveFile('xxx.xrc')
 806         wxEndBusyCursor()
 807
 808     def OnCloseTestWin(self, evt):
 809         self.SetItemBold(g.testWin.item, False)
 810         g.testWinPos = g.testWin.GetPosition()
 811         g.testWin.Destroy()
 812         g.testWin = None
 813
 814     # Return item index in parent
 815     def ItemIndex(self, item):
 816         n = 0                           # index of sibling
 817         prev = self.GetPrevSibling(item)
 818         while prev.IsOk():
 819             prev = self.GetPrevSibling(prev)
 820             n += 1
 821         return n
 822
 823     # Full tree index of an item - list of positions
 824     def ItemFullIndex(self, item):
 825         if not item.IsOk(): return None
 826         l = []
 827         while item != self.root:
 828             l.insert(0, self.ItemIndex(item))
 829             item = self.GetItemParent(item)
 830         return l
 831     # Get item position from full index
 832     def ItemAtFullIndex(self, index):
 833         if index is None: return wxTreeItemId()
 834         item = self.root
 835         for i in index:
 836             item = self.GetFirstChild(item)[0]
 837             for k in range(i): item = self.GetNextSibling(item)
 838         return item
 839
 840     # True if next item should be inserted after current (vs. appended to it)
 841     def NeedInsert(self, item):
 842         xxx = self.GetPyData(item)
 843         if item == self.root: return False        # root item
 844         if xxx.hasChildren and not self.GetChildrenCount(item, False):
 845             return False
 846         return not (self.IsExpanded(item) and self.GetChildrenCount(item, False))
 847
 848     # Pull-down
 849     def OnRightDown(self, evt):
 850         pullDownMenu = g.pullDownMenu
 851         # select this item
 852         pt = evt.GetPosition();
 853         item, flags = self.HitTest(pt)
 854         if item.Ok() and flags & wxTREE_HITTEST_ONITEM:
 855             self.SelectItem(item)
 856
 857         # Setup menu
 858         menu = wxMenu()
 859
 860         item = self.selection
 861         if not item:
 862             menu.Append(g.pullDownMenu.ID_EXPAND, 'Expand', 'Expand tree')
 863             menu.Append(g.pullDownMenu.ID_COLLAPSE, 'Collapse', 'Collapse tree')
 864         else:
 865 #            self.ctrl = evt.ControlDown() # save Ctrl state
 866 #            self.shift = evt.ShiftDown()  # and Shift too
 867             m = wxMenu()                  # create menu
 868             if self.ctrl:
 869                 needInsert = True
 870             else:
 871                 needInsert = self.NeedInsert(item)
 872             if item == self.root or needInsert and self.GetItemParent(item) == self.root:
 873                 SetMenu(m, pullDownMenu.topLevel)
 874             else:
 875                 xxx = self.GetPyData(item).treeObject()
 876                 # Check parent for possible child nodes if inserting sibling
 877                 if needInsert: xxx = xxx.parent
 878                 if xxx.__class__ == xxxMenuBar:
 879                     m.Append(ID_NEW.MENU, 'Menu', 'Create menu')
 880                 elif xxx.__class__ in [xxxToolBar, xxxTool] or \
 881                      xxx.__class__ == xxxSeparator and xxx.parent.__class__ == xxxToolBar:
 882                     SetMenu(m, pullDownMenu.toolBarControls)
 883                 elif xxx.__class__ in [xxxMenu, xxxMenuItem]:
 884                     SetMenu(m, pullDownMenu.menuControls)
 885                 else:
 886                     SetMenu(m, pullDownMenu.controls)
 887                     if xxx.__class__ == xxxNotebook:
 888                         m.Enable(m.FindItem('sizer'), False)
 889                     elif not (xxx.isSizer or xxx.parent and xxx.parent.isSizer):
 890                         m.Enable(ID_NEW.SPACER, False)
 891             # Select correct label for create menu
 892             if not needInsert:
 893                 if self.shift:
 894                     menu.AppendMenu(wxNewId(), 'Insert Child', m,
 895                                     'Create child object as the first child')
 896                 else:
 897                     menu.AppendMenu(wxNewId(), 'Append Child', m,
 898                                     'Create child object as the last child')
 899             else:
 900                 if self.shift:
 901                     menu.AppendMenu(wxNewId(), 'Create Sibling', m,
 902                                     'Create sibling before selected object')
 903                 else:
 904                     menu.AppendMenu(wxNewId(), 'Create Sibling', m,
 905                                     'Create sibling after selected object')
 906             # Build replace menu
 907             if item != self.root:
 908                 xxx = self.GetPyData(item).treeObject()
 909                 m = wxMenu()                  # create replace menu
 910                 if xxx.__class__ == xxxMenuBar:
 911                     m.Append(1000 + ID_NEW.MENU, 'Menu', 'Create menu')
 912                 elif xxx.__class__ in [xxxMenu, xxxMenuItem]:
 913                     SetMenu2(m, pullDownMenu.menuControls)
 914                 elif xxx.__class__ == xxxToolBar and \
 915                          self.GetItemParent(item) == self.root:
 916                     SetMenu2(m, [])
 917                 elif xxx.__class__ in [xxxFrame, xxxDialog, xxxPanel]:
 918                     SetMenu2(m, [
 919                         (ID_NEW.PANEL, 'Panel', 'Create panel'),
 920                         (ID_NEW.DIALOG, 'Dialog', 'Create dialog'),
 921                         (ID_NEW.FRAME, 'Frame', 'Create frame')])
 922                 elif xxx.isSizer:
 923                     SetMenu2(m, pullDownMenu.sizers)
 924                 else:
 925                     SetMenu2(m, pullDownMenu.controls)
 926                 id = wxNewId()
 927                 menu.AppendMenu(id, 'Replace With', m)
 928                 if not m.GetMenuItemCount(): menu.Enable(id, False)
 929                 menu.Append(pullDownMenu.ID_SUBCLASS, 'Subclass...',
 930                             'Set subclass property')
 931             menu.AppendSeparator()
 932             # Not using standart IDs because we don't want to show shortcuts
 933             menu.Append(wxID_CUT, 'Cut', 'Cut to the clipboard')
 934             menu.Append(wxID_COPY, 'Copy', 'Copy to the clipboard')
 935             if self.ctrl and item != self.root:
 936                 menu.Append(pullDownMenu.ID_PASTE_SIBLING, 'Paste Sibling',
 937                             'Paste from the clipboard as a sibling')
 938             else:
 939                 menu.Append(wxID_PASTE, 'Paste', 'Paste from the clipboard')
 940             menu.Append(pullDownMenu.ID_DELETE,
 941                                 'Delete', 'Delete object')
 942             if self.ItemHasChildren(item):
 943                 menu.AppendSeparator()
 944                 menu.Append(pullDownMenu.ID_EXPAND, 'Expand', 'Expand subtree')
 945                 menu.Append(pullDownMenu.ID_COLLAPSE, 'Collapse', 'Collapse subtree')
 946         self.PopupMenu(menu, evt.GetPosition())
 947         menu.Destroy()
 948
 949     # Apply changes
 950     def Apply(self, xxx, item):
 951         g.panel.Apply()
 952         # Update tree view
 953         xxx = xxx.treeObject()
 954         if xxx.hasName and self.GetItemText(item) != xxx.name:
 955             self.SetItemText(item, xxx.treeName())
 956             # Item width may have changed
 957             # !!! Tric to update tree width (wxGTK, ??)
 958             self.SetIndent(self.GetIndent())
 959         # Change tree icon for sizers
 960         if isinstance(xxx, xxxBoxSizer):
 961             self.SetItemImage(item, xxx.treeImage())
 962         # Set global modified state
 963         g.frame.modified = True
 964