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     TOGGLE_BUTTON = wxNewId()
  60
  61     STATIC_BOX = wxNewId()
  62     CHECK_BOX = wxNewId()
  63     RADIO_BOX = wxNewId()
  64     COMBO_BOX = wxNewId()
  65     LIST_BOX = wxNewId()
  66
  67     STATIC_LINE = wxNewId()
  68     STATIC_BITMAP = wxNewId()
  69     CHOICE = wxNewId()
  70     SLIDER = wxNewId()
  71     GAUGE = wxNewId()
  72     SCROLL_BAR = wxNewId()
  73     TREE_CTRL = wxNewId()
  74     LIST_CTRL = wxNewId()
  75     CHECK_LIST = wxNewId()
  76     NOTEBOOK = wxNewId()
  77     SPLITTER_WINDOW = wxNewId()
  78     SCROLLED_WINDOW = wxNewId()
  79     HTML_WINDOW = wxNewId()
  80     CALENDAR_CTRL = wxNewId()
  81     GENERIC_DIR_CTRL = wxNewId()
  82     SPIN_CTRL = wxNewId()
  83     UNKNOWN = wxNewId()
  84
  85     BOX_SIZER = wxNewId()
  86     STATIC_BOX_SIZER = wxNewId()
  87     GRID_SIZER = wxNewId()
  88     FLEX_GRID_SIZER = wxNewId()
  89     GRID_BAG_SIZER = wxNewId()
  90     SPACER = wxNewId()
  91     TOOL_BAR = wxNewId()
  92     TOOL = wxNewId()
  93     MENU = wxNewId()
  94     MENU_ITEM = wxNewId()
  95     SEPARATOR = wxNewId()
  96     LAST = wxNewId()
  97
  98 class PullDownMenu:
  99     ID_EXPAND = wxNewId()
 100     ID_COLLAPSE = wxNewId()
 101     ID_PASTE_SIBLING = wxNewId()
 102     ID_SUBCLASS = wxNewId()
 103
 104     def __init__(self, parent):
 105         self.ID_DELETE = parent.ID_DELETE
 106         EVT_MENU_RANGE(parent, ID_NEW.PANEL, ID_NEW.LAST, parent.OnCreate)
 107         EVT_MENU_RANGE(parent, 1000 + ID_NEW.PANEL, 1000 + ID_NEW.LAST, parent.OnReplace)
 108         EVT_MENU(parent, self.ID_COLLAPSE, parent.OnCollapse)
 109         EVT_MENU(parent, self.ID_EXPAND, parent.OnExpand)
 110         EVT_MENU(parent, self.ID_PASTE_SIBLING, parent.OnPaste)
 111         EVT_MENU(parent, self.ID_SUBCLASS, parent.OnSubclass)
 112         # We connect to tree, but process in frame
 113         EVT_MENU_HIGHLIGHT_ALL(g.tree, parent.OnPullDownHighlight)
 114
 115         # Mapping from IDs to element names
 116         self.createMap = {
 117             ID_NEW.PANEL: 'wxPanel',
 118             ID_NEW.DIALOG: 'wxDialog',
 119             ID_NEW.FRAME: 'wxFrame',
 120             ID_NEW.TOOL_BAR: 'wxToolBar',
 121             ID_NEW.TOOL: 'tool',
 122             ID_NEW.MENU_BAR: 'wxMenuBar',
 123             ID_NEW.MENU: 'wxMenu',
 124             ID_NEW.MENU_ITEM: 'wxMenuItem',
 125             ID_NEW.SEPARATOR: 'separator',
 126
 127             ID_NEW.STATIC_TEXT: 'wxStaticText',
 128             ID_NEW.TEXT_CTRL: 'wxTextCtrl',
 129
 130             ID_NEW.BUTTON: 'wxButton',
 131             ID_NEW.BITMAP_BUTTON: 'wxBitmapButton',
 132             ID_NEW.RADIO_BUTTON: 'wxRadioButton',
 133             ID_NEW.SPIN_BUTTON: 'wxSpinButton',
 134             ID_NEW.TOGGLE_BUTTON: 'wxToggleButton',
 135
 136             ID_NEW.STATIC_BOX: 'wxStaticBox',
 137             ID_NEW.CHECK_BOX: 'wxCheckBox',
 138             ID_NEW.RADIO_BOX: 'wxRadioBox',
 139             ID_NEW.COMBO_BOX: 'wxComboBox',
 140             ID_NEW.LIST_BOX: 'wxListBox',
 141
 142             ID_NEW.STATIC_LINE: 'wxStaticLine',
 143             ID_NEW.STATIC_BITMAP: 'wxStaticBitmap',
 144             ID_NEW.CHOICE: 'wxChoice',
 145             ID_NEW.SLIDER: 'wxSlider',
 146             ID_NEW.GAUGE: 'wxGauge',
 147             ID_NEW.SCROLL_BAR: 'wxScrollBar',
 148             ID_NEW.TREE_CTRL: 'wxTreeCtrl',
 149             ID_NEW.LIST_CTRL: 'wxListCtrl',
 150             ID_NEW.CHECK_LIST: 'wxCheckListBox',
 151             ID_NEW.NOTEBOOK: 'wxNotebook',
 152             ID_NEW.SPLITTER_WINDOW: 'wxSplitterWindow',
 153             ID_NEW.SCROLLED_WINDOW: 'wxScrolledWindow',
 154             ID_NEW.HTML_WINDOW: 'wxHtmlWindow',
 155             ID_NEW.CALENDAR_CTRL: 'wxCalendarCtrl',
 156             ID_NEW.GENERIC_DIR_CTRL: 'wxGenericDirCtrl',
 157             ID_NEW.SPIN_CTRL: 'wxSpinCtrl',
 158
 159             ID_NEW.BOX_SIZER: 'wxBoxSizer',
 160             ID_NEW.STATIC_BOX_SIZER: 'wxStaticBoxSizer',
 161             ID_NEW.GRID_SIZER: 'wxGridSizer',
 162             ID_NEW.FLEX_GRID_SIZER: 'wxFlexGridSizer',
 163             ID_NEW.GRID_BAG_SIZER: 'wxGridBagSizer',
 164             ID_NEW.SPACER: 'spacer',
 165             ID_NEW.UNKNOWN: 'unknown',
 166             }
 167         self.topLevel = [
 168             (ID_NEW.PANEL, 'Panel', 'Create panel'),
 169             (ID_NEW.DIALOG, 'Dialog', 'Create dialog'),
 170             (ID_NEW.FRAME, 'Frame', 'Create frame'),
 171             None,
 172             (ID_NEW.TOOL_BAR, 'ToolBar', 'Create toolbar'),
 173             (ID_NEW.MENU_BAR, 'MenuBar', 'Create menubar'),
 174             (ID_NEW.MENU, 'Menu', 'Create menu')
 175             ]
 176         self.containers = [
 177              (ID_NEW.PANEL, 'Panel', 'Create panel'),
 178              (ID_NEW.NOTEBOOK, 'Notebook', 'Create notebook control'),
 179              (ID_NEW.SPLITTER_WINDOW, 'SplitterWindow', 'Create splitter window'),
 180              (ID_NEW.TOOL_BAR, 'ToolBar', 'Create toolbar'),
 181             ]
 182         self.sizers = [
 183              (ID_NEW.BOX_SIZER, 'BoxSizer', 'Create box sizer'),
 184              (ID_NEW.STATIC_BOX_SIZER, 'StaticBoxSizer',
 185               'Create static box sizer'),
 186              (ID_NEW.GRID_SIZER, 'GridSizer', 'Create grid sizer'),
 187              (ID_NEW.FLEX_GRID_SIZER, 'FlexGridSizer',
 188               'Create flexgrid sizer'),
 189              (ID_NEW.GRID_BAG_SIZER, 'GridBagSizer',
 190               'Create gridbag sizer'),
 191              (ID_NEW.SPACER, 'Spacer', 'Create spacer'),
 192              ]
 193         self.controls = [
 194             ['control', 'Various controls',
 195              (ID_NEW.STATIC_TEXT, 'Label', 'Create label'),
 196              (ID_NEW.STATIC_BITMAP, 'Bitmap', 'Create bitmap'),
 197              (ID_NEW.STATIC_LINE, 'Line', 'Create line'),
 198              (ID_NEW.TEXT_CTRL, 'TextBox', 'Create text box'),
 199              (ID_NEW.CHOICE, 'Choice', 'Create choice'),
 200              (ID_NEW.SLIDER, 'Slider', 'Create slider'),
 201              (ID_NEW.GAUGE, 'Gauge', 'Create gauge'),
 202              (ID_NEW.SPIN_CTRL, 'SpinCtrl', 'Create spin'),
 203              (ID_NEW.SCROLL_BAR, 'ScrollBar', 'Create scroll bar'),
 204              (ID_NEW.TREE_CTRL, 'TreeCtrl', 'Create tree'),
 205              (ID_NEW.LIST_CTRL, 'ListCtrl', 'Create list'),
 206              (ID_NEW.CHECK_LIST, 'CheckList', 'Create check list'),
 207              (ID_NEW.SCROLLED_WINDOW, 'ScrolledWindow', 'Create scrolled window'),
 208              (ID_NEW.HTML_WINDOW, 'HtmlWindow', 'Create HTML window'),
 209              (ID_NEW.CALENDAR_CTRL, 'CalendarCtrl', 'Create calendar control'),
 210              (ID_NEW.GENERIC_DIR_CTRL, 'GenericDirCtrl', 'Create generic dir control'),
 211              (ID_NEW.UNKNOWN, 'Unknown', 'Create custom control placeholder'),
 212              ],
 213             ['button', 'Buttons',
 214              (ID_NEW.BUTTON, 'Button', 'Create button'),
 215              (ID_NEW.BITMAP_BUTTON, 'BitmapButton', 'Create bitmap button'),
 216              (ID_NEW.RADIO_BUTTON, 'RadioButton', 'Create radio button'),
 217              (ID_NEW.SPIN_BUTTON, 'SpinButton', 'Create spin button'),
 218              (ID_NEW.TOGGLE_BUTTON, 'ToggleButton', 'Create toggle button'),
 219              ],
 220             ['box', 'Boxes',
 221              (ID_NEW.STATIC_BOX, 'StaticBox', 'Create static box'),
 222              (ID_NEW.CHECK_BOX, 'CheckBox', 'Create check box'),
 223              (ID_NEW.RADIO_BOX, 'RadioBox', 'Create radio box'),
 224              (ID_NEW.COMBO_BOX, 'ComboBox', 'Create combo box'),
 225              (ID_NEW.LIST_BOX, 'ListBox', 'Create list box'),
 226              ],
 227             ['container', 'Containers',
 228              (ID_NEW.PANEL, 'Panel', 'Create panel'),
 229              (ID_NEW.NOTEBOOK, 'Notebook', 'Create notebook control'),
 230              (ID_NEW.SPLITTER_WINDOW, 'SplitterWindow', 'Create splitter window'),
 231              (ID_NEW.TOOL_BAR, 'ToolBar', 'Create toolbar'),
 232              ],
 233             ['sizer', 'Sizers',
 234              (ID_NEW.BOX_SIZER, 'BoxSizer', 'Create box sizer'),
 235              (ID_NEW.STATIC_BOX_SIZER, 'StaticBoxSizer',
 236               'Create static box sizer'),
 237              (ID_NEW.GRID_SIZER, 'GridSizer', 'Create grid sizer'),
 238              (ID_NEW.FLEX_GRID_SIZER, 'FlexGridSizer',
 239               'Create flexgrid sizer'),
 240              (ID_NEW.GRID_BAG_SIZER, 'GridBagSizer',
 241               'Create gridbag sizer'),
 242              (ID_NEW.SPACER, 'Spacer', 'Create spacer'),
 243              ]
 244             ]
 245         self.menuControls = [
 246             (ID_NEW.MENU, 'Menu', 'Create menu'),
 247             (ID_NEW.MENU_ITEM, 'MenuItem', 'Create menu item'),
 248             (ID_NEW.SEPARATOR, 'Separator', 'Create separator'),
 249             ]
 250         self.toolBarControls = [
 251             (ID_NEW.TOOL, 'Tool', 'Create tool'),
 252             (ID_NEW.SEPARATOR, 'Separator', 'Create separator'),
 253             ['control', 'Various controls',
 254              (ID_NEW.STATIC_TEXT, 'Label', 'Create label'),
 255              (ID_NEW.STATIC_BITMAP, 'Bitmap', 'Create bitmap'),
 256              (ID_NEW.STATIC_LINE, 'Line', 'Create line'),
 257              (ID_NEW.TEXT_CTRL, 'TextBox', 'Create text box'),
 258              (ID_NEW.CHOICE, 'Choice', 'Create choice'),
 259              (ID_NEW.SLIDER, 'Slider', 'Create slider'),
 260              (ID_NEW.GAUGE, 'Gauge', 'Create gauge'),
 261              (ID_NEW.SCROLL_BAR, 'ScrollBar', 'Create scroll bar'),
 262              (ID_NEW.LIST_CTRL, 'ListCtrl', 'Create list control'),
 263              (ID_NEW.CHECK_LIST, 'CheckList', 'Create check list'),
 264              ],
 265             ['button', 'Buttons',
 266              (ID_NEW.BUTTON, 'Button', 'Create button'),
 267              (ID_NEW.BITMAP_BUTTON, 'BitmapButton', 'Create bitmap button'),
 268              (ID_NEW.RADIO_BUTTON, 'RadioButton', 'Create radio button'),
 269              (ID_NEW.SPIN_BUTTON, 'SpinButton', 'Create spin button'),
 270              ],
 271             ['box', 'Boxes',
 272              (ID_NEW.STATIC_BOX, 'StaticBox', 'Create static box'),
 273              (ID_NEW.CHECK_BOX, 'CheckBox', 'Create check box'),
 274              (ID_NEW.RADIO_BOX, 'RadioBox', 'Create radio box'),
 275              (ID_NEW.COMBO_BOX, 'ComboBox', 'Create combo box'),
 276              (ID_NEW.LIST_BOX, 'ListBox', 'Create list box'),
 277              ],
 278             ]
 279
 280 ################################################################################
 281
 282 # Set menu to list items.
 283 # Each menu command is a tuple (id, label, help)
 284 # submenus are lists [id, label, help, submenu]
 285 # and separators are any other type
 286 def SetMenu(m, list):
 287     for l in list:
 288         if type(l) == types.TupleType:
 289             apply(m.Append, l)
 290         elif type(l) == types.ListType:
 291             subMenu = wxMenu()
 292             SetMenu(subMenu, l[2:])
 293             m.AppendMenu(wxNewId(), l[0], subMenu, l[1])
 294         else:                           # separator
 295             m.AppendSeparator()
 296 # Same, but adds 1000 to all IDs
 297 def SetMenu2(m, list):
 298     for l in list:
 299         if type(l) == types.TupleType:
 300             # Shift ID
 301             l = (1000 + l[0],) + l[1:]
 302             apply(m.Append, l)
 303         elif type(l) == types.ListType:
 304             subMenu = wxMenu()
 305             SetMenu2(subMenu, l[2:])
 306             m.AppendMenu(wxNewId(), l[0], subMenu, l[1])
 307         else:                           # separator
 308             m.AppendSeparator()
 309
 310 ################################################################################
 311
 312 class HighLightBox:
 313     def __init__(self, pos, size):
 314         if size.width == -1: size.width = 0
 315         if size.height == -1: size.height = 0
 316         w = g.testWin.panel
 317         l1 = wxWindow(w, -1, pos, wxSize(size.width, 2))
 318         l1.SetBackgroundColour(wxRED)
 319         l2 = wxWindow(w, -1, pos, wxSize(2, size.height))
 320         l2.SetBackgroundColour(wxRED)
 321         l3 = wxWindow(w, -1, wxPoint(pos.x + size.width - 2, pos.y), wxSize(2, size.height))
 322         l3.SetBackgroundColour(wxRED)
 323         l4 = wxWindow(w, -1, wxPoint(pos.x, pos.y + size.height - 2), wxSize(size.width, 2))
 324         l4.SetBackgroundColour(wxRED)
 325         self.lines = [l1, l2, l3, l4]
 326     # Move highlight to a new position
 327     def Replace(self, pos, size):
 328         if size.width == -1: size.width = 0
 329         if size.height == -1: size.height = 0
 330         self.lines[0].SetDimensions(pos.x, pos.y, size.width, 2)
 331         self.lines[1].SetDimensions(pos.x, pos.y, 2, size.height)
 332         self.lines[2].SetDimensions(pos.x + size.width - 2, pos.y, 2, size.height)
 333         self.lines[3].SetDimensions(pos.x, pos.y + size.height - 2, size.width, 2)
 334     # Remove it
 335     def Remove(self):
 336         map(wxWindow.Destroy, self.lines)
 337         g.testWin.highLight = None
 338
 339 ################################################################################
 340
 341 class XML_Tree(wxTreeCtrl):
 342     def __init__(self, parent, id):
 343         wxTreeCtrl.__init__(self, parent, id, style = wxTR_HAS_BUTTONS)
 344         self.SetBackgroundColour(wxColour(224, 248, 224))
 345         # Register events
 346         EVT_TREE_SEL_CHANGED(self, self.GetId(), self.OnSelChanged)
 347         # One works on Linux, another on Windows
 348         if wxPlatform == '__WXGTK__':
 349             EVT_TREE_ITEM_ACTIVATED(self, self.GetId(), self.OnItemActivated)
 350         else:
 351             EVT_LEFT_DCLICK(self, self.OnDClick)
 352         EVT_RIGHT_DOWN(self, self.OnRightDown)
 353         EVT_TREE_ITEM_EXPANDED(self, self.GetId(), self.OnItemExpandedCollapsed)
 354         EVT_TREE_ITEM_COLLAPSED(self, self.GetId(), self.OnItemExpandedCollapsed)
 355
 356         self.selection = None
 357         self.needUpdate = False
 358         self.pendingHighLight = None
 359         self.ctrl = self.shift = False
 360         self.dom = None
 361         # Create image list
 362         il = wxImageList(16, 16, True)
 363         self.rootImage = il.Add(images.getTreeRootImage().Scale(16,16).ConvertToBitmap())
 364         xxxObject.image = il.Add(images.getTreeDefaultImage().Scale(16,16).ConvertToBitmap())
 365         xxxPanel.image = il.Add(images.getTreePanelImage().Scale(16,16).ConvertToBitmap())
 366         xxxDialog.image = il.Add(images.getTreeDialogImage().Scale(16,16).ConvertToBitmap())
 367         xxxFrame.image = il.Add(images.getTreeFrameImage().Scale(16,16).ConvertToBitmap())
 368         xxxMenuBar.image = il.Add(images.getTreeMenuBarImage().Scale(16,16).ConvertToBitmap())
 369         xxxMenu.image = il.Add(images.getTreeMenuImage().Scale(16,16).ConvertToBitmap())
 370         xxxMenuItem.image = il.Add(images.getTreeMenuItemImage().Scale(16,16).ConvertToBitmap())
 371         xxxToolBar.image = il.Add(images.getTreeToolBarImage().Scale(16,16).ConvertToBitmap())
 372         xxxTool.image = il.Add(images.getTreeToolImage().Scale(16,16).ConvertToBitmap())
 373         xxxSeparator.image = il.Add(images.getTreeSeparatorImage().Scale(16,16).ConvertToBitmap())
 374         xxxSizer.imageH = il.Add(images.getTreeSizerHImage().Scale(16,16).ConvertToBitmap())
 375         xxxSizer.imageV = il.Add(images.getTreeSizerVImage().Scale(16,16).ConvertToBitmap())
 376         xxxStaticBoxSizer.imageH = il.Add(images.getTreeStaticBoxSizerHImage().Scale(16,16).ConvertToBitmap())
 377         xxxStaticBoxSizer.imageV = il.Add(images.getTreeStaticBoxSizerVImage().Scale(16,16).ConvertToBitmap())
 378         xxxGridSizer.image = il.Add(images.getTreeSizerGridImage().Scale(16,16).ConvertToBitmap())
 379         xxxFlexGridSizer.image = il.Add(images.getTreeSizerFlexGridImage().Scale(16,16).ConvertToBitmap())
 380         self.il = il
 381         self.SetImageList(il)
 382
 383     def RegisterKeyEvents(self):
 384         EVT_KEY_DOWN(self, g.tools.OnKeyDown)
 385         EVT_KEY_UP(self, g.tools.OnKeyUp)
 386         EVT_ENTER_WINDOW(self, g.tools.OnMouse)
 387         EVT_LEAVE_WINDOW(self, g.tools.OnMouse)
 388
 389     def Unselect(self):
 390         self.selection = None
 391         wxTreeCtrl.Unselect(self)
 392         g.tools.UpdateUI()
 393
 394     def ExpandAll(self, item):
 395         if self.ItemHasChildren(item):
 396             self.Expand(item)
 397             i, cookie = self.GetFirstChild(item)
 398             children = []
 399             while i.IsOk():
 400                 children.append(i)
 401                 i, cookie = self.GetNextChild(item, cookie)
 402             for i in children:
 403                 self.ExpandAll(i)
 404     def CollapseAll(self, item):
 405         if self.ItemHasChildren(item):
 406             i, cookie = self.GetFirstChild(item)
 407             children = []
 408             while i.IsOk():
 409                 children.append(i)
 410                 i, cookie = self.GetNextChild(item, cookie)
 411             for i in children:
 412                 self.CollapseAll(i)
 413             self.Collapse(item)
 414
 415     # Clear tree
 416     def Clear(self):
 417         self.DeleteAllItems()
 418         # Add minimal structure
 419         if self.dom: self.dom.unlink()
 420         self.dom = MyDocument()
 421         self.dummyNode = self.dom.createComment('dummy node')
 422         # Create main node
 423         self.mainNode = self.dom.createElement('resource')
 424         self.dom.appendChild(self.mainNode)
 425         self.rootObj = xxxMainNode(self.dom)
 426         self.root = self.AddRoot('XML tree', self.rootImage,
 427                                  data=wxTreeItemData(self.rootObj))
 428         self.SetItemHasChildren(self.root)
 429         self.Unselect()
 430         self.Expand(self.root)
 431
 432     # Clear old data and set new
 433     def SetData(self, dom):
 434         self.DeleteAllItems()
 435         # Add minimal structure
 436         if self.dom: self.dom.unlink()
 437         self.dom = dom
 438         self.dummyNode = self.dom.createComment('dummy node')
 439         # Find 'resource' child, add it's children
 440         self.mainNode = dom.documentElement
 441         self.rootObj = xxxMainNode(self.dom)
 442         self.root = self.AddRoot('XML tree', self.rootImage,
 443                                  data=wxTreeItemData(self.rootObj))
 444         self.SetItemHasChildren(self.root)
 445         nodes = self.mainNode.childNodes[:]
 446         for node in nodes:
 447             if IsObject(node):
 448                 self.AddNode(self.root, None, node)
 449             else:
 450                 self.mainNode.removeChild(node)
 451                 node.unlink()
 452         self.Expand(self.root)
 453         self.Unselect()
 454
 455     # Add tree item for given parent item if node is DOM element node with
 456     # 'object' tag. xxxParent is parent xxx object
 457     def AddNode(self, itemParent, xxxParent, node):
 458         # Set item data to current node
 459         try:
 460             xxx = MakeXXXFromDOM(xxxParent, node)
 461         except:
 462             print 'ERROR: MakeXXXFromDom(%s, %s)' % (xxxParent, node)
 463             raise
 464         treeObj = xxx.treeObject()
 465         # Append tree item
 466         item = self.AppendItem(itemParent, treeObj.treeName(),
 467                                image=treeObj.treeImage(),
 468                                data=wxTreeItemData(xxx))
 469         # Try to find children objects
 470         if treeObj.hasChildren:
 471             nodes = treeObj.element.childNodes[:]
 472             for n in nodes:
 473                 if IsObject(n):
 474                     self.AddNode(item, treeObj, n)
 475                 elif n.nodeType != minidom.Node.ELEMENT_NODE:
 476                     treeObj.element.removeChild(n)
 477                     n.unlink()
 478
 479     # Insert new item at specific position
 480     def InsertNode(self, itemParent, parent, elem, nextItem):
 481         # Insert in XML tree and wxWin
 482         xxx = MakeXXXFromDOM(parent, elem)
 483         # If nextItem is None, we append to parent, otherwise insert before it
 484         if nextItem.IsOk():
 485             node = self.GetPyData(nextItem).element
 486             parent.element.insertBefore(elem, node)
 487             # Inserting before is difficult, se we insert after or first child
 488             index = self.ItemIndex(nextItem)
 489             newItem = self.InsertItemBefore(itemParent, index,
 490                         xxx.treeName(), image=xxx.treeImage())
 491             self.SetPyData(newItem, xxx)
 492         else:
 493             parent.element.appendChild(elem)
 494             newItem = self.AppendItem(itemParent, xxx.treeName(), image=xxx.treeImage(),
 495                                       data=wxTreeItemData(xxx))
 496         # Add children items
 497         if xxx.hasChildren:
 498             treeObj = xxx.treeObject()
 499             for n in treeObj.element.childNodes:
 500                 if IsObject(n):
 501                     self.AddNode(newItem, treeObj, n)
 502         return newItem
 503
 504     # Remove leaf of tree, return it's data object
 505     def RemoveLeaf(self, leaf):
 506         xxx = self.GetPyData(leaf)
 507         node = xxx.element
 508         parent = node.parentNode
 509         parent.removeChild(node)
 510         self.Delete(leaf)
 511         # Reset selection object
 512         self.selection = None
 513         return node
 514     # Find position relative to the top-level window
 515     def FindNodePos(self, item):
 516         # Root at (0,0)
 517         if item == g.testWin.item: return wxPoint(0, 0)
 518         itemParent = self.GetItemParent(item)
 519         # Select NB page
 520         obj = self.FindNodeObject(item)
 521         if self.GetPyData(itemParent).treeObject().__class__ == xxxNotebook:
 522             notebook = self.FindNodeObject(itemParent)
 523             # Find position
 524             for i in range(notebook.GetPageCount()):
 525                 if notebook.GetPage(i) == obj:
 526                     if notebook.GetSelection() != i: notebook.SetSelection(i)
 527                     break
 528         # Find first ancestor which is a wxWindow (not a sizer)
 529         winParent = itemParent
 530         while self.GetPyData(winParent).isSizer:
 531             winParent = self.GetItemParent(winParent)
 532         parentPos = self.FindNodePos(winParent)
 533         # Position (-1,-1) is really (0,0)
 534         pos = obj.GetPosition()
 535         if pos == (-1,-1): pos = (0,0)
 536         return parentPos + pos
 537
 538     # Find window (or sizer) corresponding to a tree item.
 539     def FindNodeObject(self, item):
 540         testWin = g.testWin
 541         # If top-level, return testWin (or panel its panel)
 542         if item == testWin.item: return testWin.panel
 543         itemParent = self.GetItemParent(item)
 544         xxx = self.GetPyData(item).treeObject()
 545         parentWin = self.FindNodeObject(itemParent)
 546         # Top-level sizer? return window's sizer
 547         if xxx.isSizer and isinstance(parentWin, wxWindow):
 548             return parentWin.GetSizer()
 549         # Otherwise get parent's object and it's child
 550         child = parentWin.GetChildren()[self.ItemIndex(item)]
 551         # Return window or sizer for sizer items
 552         if child.GetClassName() == 'wxSizerItem':
 553             if child.IsWindow(): child = child.GetWindow()
 554             elif child.IsSizer():
 555                 child = child.GetSizer()
 556                 # Test for notebook sizers
 557                 if isinstance(child, wxNotebookSizer):
 558                     child = child.GetNotebook()
 559         return child
 560
 561     def OnSelChanged(self, evt):
 562         # Apply changes
 563         # !!! problem with wxGTK - GetOldItem is Ok if nothing selected
 564         #oldItem = evt.GetOldItem()
 565         status = ''
 566         oldItem = self.selection
 567         if oldItem:
 568             xxx = self.GetPyData(oldItem)
 569             # If some data was modified, apply changes
 570             if g.panel.IsModified():
 571                 self.Apply(xxx, oldItem)
 572                 #if conf.autoRefresh:
 573                 if g.testWin:
 574                     if g.testWin.highLight:
 575                         g.testWin.highLight.Remove()
 576                     self.needUpdate = True
 577                 status = 'Changes were applied'
 578         g.frame.SetStatusText(status)
 579         # Generate view
 580         self.selection = evt.GetItem()
 581         if not self.selection.IsOk():
 582             self.selection = None
 583             return
 584         xxx = self.GetPyData(self.selection)
 585         # Update panel
 586         g.panel.SetData(xxx)
 587         # Update tools
 588         g.tools.UpdateUI()
 589         # Hightlighting is done in OnIdle
 590         self.pendingHighLight = self.selection
 591
 592     # Check if item is in testWin subtree
 593     def IsHighlatable(self, item):
 594         if item == g.testWin.item: return False
 595         while item != self.root:
 596             item = self.GetItemParent(item)
 597             if item == g.testWin.item: return True
 598         return False
 599
 600     # Highlight selected item
 601     def HighLight(self, item):
 602         self.pendingHighLight = None
 603         # Can highlight only with some top-level windows
 604         if not g.testWin or self.GetPyData(g.testWin.item).treeObject().__class__ \
 605             not in [xxxDialog, xxxPanel, xxxFrame]:
 606             return
 607         # If a control from another window is selected, remove highlight
 608         if not self.IsHighlatable(item):
 609             if g.testWin.highLight: g.testWin.highLight.Remove()
 610             return
 611         # Get window/sizer object
 612         obj, pos = self.FindNodeObject(item), self.FindNodePos(item)
 613         size = obj.GetSize()
 614         # Highlight
 615         # Nagative positions are not working wuite well
 616         if g.testWin.highLight:
 617             g.testWin.highLight.Replace(pos, size)
 618         else:
 619             g.testWin.highLight = HighLightBox(pos, size)
 620         g.testWin.highLight.item = item
 621
 622     def ShowTestWindow(self, item):
 623         xxx = self.GetPyData(item)
 624         if g.panel.IsModified():
 625             self.Apply(xxx, item)       # apply changes
 626         treeObj = xxx.treeObject()
 627         if treeObj.className not in ['wxFrame', 'wxPanel', 'wxDialog',
 628                                      'wxMenuBar', 'wxToolBar']:
 629             wxLogMessage('No view for this element (yet)')
 630             return
 631         # Show item in bold
 632         if g.testWin:     # Reset old
 633             self.SetItemBold(g.testWin.item, False)
 634         self.CreateTestWin(item)
 635         # Maybe an error occured, so we need to test
 636         if g.testWin: self.SetItemBold(g.testWin.item)
 637
 638     # Double-click on Linux
 639     def OnItemActivated(self, evt):
 640         if evt.GetItem() != self.root:
 641             self.ShowTestWindow(evt.GetItem())
 642
 643     # Double-click on Windows
 644     def OnDClick(self, evt):
 645         item, flags = self.HitTest(evt.GetPosition())
 646         if flags in [wxTREE_HITTEST_ONITEMBUTTON, wxTREE_HITTEST_ONITEMLABEL]:
 647             if item != self.root: self.ShowTestWindow(item)
 648         else:
 649             evt.Skip()
 650
 651     def OnItemExpandedCollapsed(self, evt):
 652         # Update tool palette
 653         g.tools.UpdateUI()
 654         evt.Skip()
 655
 656     # (re)create test window
 657     def CreateTestWin(self, item):
 658         testWin = g.testWin
 659         # Create a window with this resource
 660         xxx = self.GetPyData(item).treeObject()
 661
 662         # If frame
 663 #        if xxx.__class__ == xxxFrame:
 664             # Frame can't have many children,
 665             # but it's first child possibly can...
 666 #            child = self.GetFirstChild(item)[0]
 667 #            if child.IsOk() and self.GetPyData(child).__class__ == xxxPanel:
 668 #                # Clean-up before recursive call or error
 669 #                wxMemoryFSHandler_RemoveFile('xxx.xrc')
 670 #                wxEndBusyCursor()
 671 #                self.CreateTestWin(child)
 672 #                return
 673
 674         wxBeginBusyCursor()
 675         wxYield()
 676         # Close old window, remember where it was
 677         highLight = None
 678         if testWin:
 679             pos = testWin.GetPosition()
 680             if item == testWin.item:
 681                 # Remember highlight if same top-level window
 682                 if testWin.highLight:
 683                     highLight = testWin.highLight.item
 684                 if xxx.className == 'wxPanel':
 685                     if testWin.highLight:
 686                         testWin.pendingHighLight = highLight
 687                         testWin.highLight.Remove()
 688                     testWin.panel.Destroy()
 689                     testWin.panel = None
 690                 else:
 691                     testWin.Destroy()
 692                     testWin = g.testWin = None
 693             else:
 694                 testWin.Destroy()
 695                 testWin = g.testWin = None
 696         else:
 697             pos = g.testWinPos
 698         # Save in memory FS
 699         memFile = MemoryFile('xxx.xrc')
 700         # Create partial XML file - faster for big files
 701
 702         dom = MyDocument()
 703         mainNode = dom.createElement('resource')
 704         dom.appendChild(mainNode)
 705
 706         # Remove temporarily from old parent
 707         elem = xxx.element
 708         # Change window id to _XRCED_T_W. This gives some name for
 709         # unnamed windows, and for named gives the possibility to
 710         # write sawfish scripts.
 711         if not xxx.name:
 712             name = 'noname'
 713         else:
 714             name = xxx.name
 715         elem.setAttribute('name', STD_NAME)
 716         parent = elem.parentNode
 717         next = elem.nextSibling
 718         parent.replaceChild(self.dummyNode, elem)
 719         # Append to new DOM, write it
 720         mainNode.appendChild(elem)
 721         dom.writexml(memFile, encoding=self.rootObj.params['encoding'].value())
 722         # Put back in place
 723         mainNode.removeChild(elem)
 724         dom.unlink()
 725         parent.replaceChild(elem, self.dummyNode)
 726         # Remove temporary name or restore changed
 727         if not xxx.name:
 728             elem.removeAttribute('name')
 729         else:
 730             elem.setAttribute('name', xxx.name)
 731         memFile.close()                 # write to wxMemoryFS
 732         xmlFlags = wxXRC_NO_SUBCLASSING
 733         # Use translations if encoding is not specified
 734         if g.currentEncoding == 'ascii':
 735             xmlFlags != wxXRC_USE_LOCALE
 736         res = wxXmlResource('', xmlFlags)
 737         res.Load('memory:xxx.xrc')
 738         try:
 739             if xxx.__class__ == xxxFrame:
 740                 # Frame can't have many children,
 741                 # but it's first child possibly can...
 742     #            child = self.GetFirstChild(item)[0]
 743     #            if child.IsOk() and self.GetPyData(child).__class__ == xxxPanel:
 744     #                # Clean-up before recursive call or error
 745     #                wxMemoryFSHandler_RemoveFile('xxx.xrc')
 746     #                wxEndBusyCursor()
 747     #                self.CreateTestWin(child)
 748     #                return
 749                 # This currently works under GTK, but not under MSW
 750                 testWin = g.testWin = wxPreFrame()
 751                 res.LoadOnFrame(testWin, g.frame, STD_NAME)
 752                 # Create status bar
 753                 testWin.panel = testWin
 754                 testWin.CreateStatusBar()
 755                 testWin.SetClientSize(testWin.GetBestSize())
 756                 testWin.panel = testWin
 757                 testWin.SetPosition(pos)
 758                 testWin.Show(True)
 759             elif xxx.__class__ == xxxPanel:
 760                 # Create new frame
 761                 if not testWin:
 762                     testWin = g.testWin = wxFrame(g.frame, -1, 'Panel: ' + name,
 763                                                   pos=pos, name=STD_NAME)
 764                 testWin.panel = res.LoadPanel(testWin, STD_NAME)
 765                 testWin.SetClientSize(testWin.GetBestSize())
 766                 testWin.Show(True)
 767             elif xxx.__class__ == xxxDialog:
 768                 testWin = g.testWin = res.LoadDialog(None, STD_NAME)
 769                 testWin.panel = testWin
 770                 testWin.Layout()
 771                 testWin.SetPosition(pos)
 772                 testWin.Show(True)
 773                 # Dialog's default code does not produce EVT_CLOSE
 774                 EVT_BUTTON(testWin, wxID_OK, self.OnCloseTestWin)
 775                 EVT_BUTTON(testWin, wxID_CANCEL, self.OnCloseTestWin)
 776             elif xxx.__class__ == xxxMenuBar:
 777                 testWin = g.testWin = wxFrame(g.frame, -1, 'MenuBar: ' + name,
 778                                               pos=pos, name=STD_NAME)
 779                 testWin.panel = None
 780                 # Set status bar to display help
 781                 testWin.CreateStatusBar()
 782                 testWin.menuBar = res.LoadMenuBar(STD_NAME)
 783                 testWin.SetMenuBar(testWin.menuBar)
 784                 testWin.Show(True)
 785             elif xxx.__class__ == xxxToolBar:
 786                 testWin = g.testWin = wxFrame(g.frame, -1, 'ToolBar: ' + name,
 787                                               pos=pos, name=STD_NAME)
 788                 testWin.panel = None
 789                 # Set status bar to display help
 790                 testWin.CreateStatusBar()
 791                 testWin.toolBar = res.LoadToolBar(testWin, STD_NAME)
 792                 testWin.SetToolBar(testWin.toolBar)
 793                 testWin.Show(True)
 794             testWin.item = item
 795             EVT_CLOSE(testWin, self.OnCloseTestWin)
 796             testWin.highLight = None
 797             if highLight and not self.pendingHighLight:
 798                 self.HighLight(highLight)
 799         except:
 800             if g.testWin:
 801                 self.SetItemBold(item, False)
 802                 g.testWinPos = g.testWin.GetPosition()
 803                 g.testWin.Destroy()
 804                 g.testWin = None
 805             inf = sys.exc_info()
 806             wxLogError(traceback.format_exception(inf[0], inf[1], None)[-1])
 807             wxLogError('Error loading resource')
 808         wxMemoryFSHandler_RemoveFile('xxx.xrc')
 809         wxEndBusyCursor()
 810
 811     def OnCloseTestWin(self, evt):
 812         self.SetItemBold(g.testWin.item, False)
 813         g.testWinPos = g.testWin.GetPosition()
 814         g.testWin.Destroy()
 815         g.testWin = None
 816
 817     # Return item index in parent
 818     def ItemIndex(self, item):
 819         n = 0                           # index of sibling
 820         prev = self.GetPrevSibling(item)
 821         while prev.IsOk():
 822             prev = self.GetPrevSibling(prev)
 823             n += 1
 824         return n
 825
 826     # Full tree index of an item - list of positions
 827     def ItemFullIndex(self, item):
 828         if not item.IsOk(): return None
 829         l = []
 830         while item != self.root:
 831             l.insert(0, self.ItemIndex(item))
 832             item = self.GetItemParent(item)
 833         return l
 834     # Get item position from full index
 835     def ItemAtFullIndex(self, index):
 836         if index is None: return wxTreeItemId()
 837         item = self.root
 838         for i in index:
 839             item = self.GetFirstChild(item)[0]
 840             for k in range(i): item = self.GetNextSibling(item)
 841         return item
 842
 843     # True if next item should be inserted after current (vs. appended to it)
 844     def NeedInsert(self, item):
 845         xxx = self.GetPyData(item)
 846         if item == self.root: return False        # root item
 847         if xxx.hasChildren and not self.GetChildrenCount(item, False):
 848             return False
 849         return not (self.IsExpanded(item) and self.GetChildrenCount(item, False))
 850
 851     # Pull-down
 852     def OnRightDown(self, evt):
 853         pullDownMenu = g.pullDownMenu
 854         # select this item
 855         pt = evt.GetPosition();
 856         item, flags = self.HitTest(pt)
 857         if item.Ok() and flags & wxTREE_HITTEST_ONITEM:
 858             self.SelectItem(item)
 859
 860         # Setup menu
 861         menu = wxMenu()
 862
 863         item = self.selection
 864         if not item:
 865             menu.Append(g.pullDownMenu.ID_EXPAND, 'Expand', 'Expand tree')
 866             menu.Append(g.pullDownMenu.ID_COLLAPSE, 'Collapse', 'Collapse tree')
 867         else:
 868 #            self.ctrl = evt.ControlDown() # save Ctrl state
 869 #            self.shift = evt.ShiftDown()  # and Shift too
 870             m = wxMenu()                  # create menu
 871             if self.ctrl:
 872                 needInsert = True
 873             else:
 874                 needInsert = self.NeedInsert(item)
 875             if item == self.root or needInsert and self.GetItemParent(item) == self.root:
 876                 SetMenu(m, pullDownMenu.topLevel)
 877             else:
 878                 xxx = self.GetPyData(item).treeObject()
 879                 # Check parent for possible child nodes if inserting sibling
 880                 if needInsert: xxx = xxx.parent
 881                 if xxx.__class__ == xxxMenuBar:
 882                     m.Append(ID_NEW.MENU, 'Menu', 'Create menu')
 883                 elif xxx.__class__ in [xxxToolBar, xxxTool] or \
 884                      xxx.__class__ == xxxSeparator and xxx.parent.__class__ == xxxToolBar:
 885                     SetMenu(m, pullDownMenu.toolBarControls)
 886                 elif xxx.__class__ in [xxxMenu, xxxMenuItem]:
 887                     SetMenu(m, pullDownMenu.menuControls)
 888                 else:
 889                     SetMenu(m, pullDownMenu.controls)
 890                     if xxx.__class__ == xxxNotebook:
 891                         m.Enable(m.FindItem('sizer'), False)
 892                     elif not (xxx.isSizer or xxx.parent and xxx.parent.isSizer):
 893                         m.Enable(ID_NEW.SPACER, False)
 894             # Select correct label for create menu
 895             if not needInsert:
 896                 if self.shift:
 897                     menu.AppendMenu(wxNewId(), 'Insert Child', m,
 898                                     'Create child object as the first child')
 899                 else:
 900                     menu.AppendMenu(wxNewId(), 'Append Child', m,
 901                                     'Create child object as the last child')
 902             else:
 903                 if self.shift:
 904                     menu.AppendMenu(wxNewId(), 'Create Sibling', m,
 905                                     'Create sibling before selected object')
 906                 else:
 907                     menu.AppendMenu(wxNewId(), 'Create Sibling', m,
 908                                     'Create sibling after selected object')
 909             # Build replace menu
 910             if item != self.root:
 911                 xxx = self.GetPyData(item).treeObject()
 912                 m = wxMenu()                  # create replace menu
 913                 if xxx.__class__ == xxxMenuBar:
 914                     m.Append(1000 + ID_NEW.MENU, 'Menu', 'Create menu')
 915                 elif xxx.__class__ in [xxxMenu, xxxMenuItem]:
 916                     SetMenu2(m, pullDownMenu.menuControls)
 917                 elif xxx.__class__ == xxxToolBar and \
 918                          self.GetItemParent(item) == self.root:
 919                     SetMenu2(m, [])
 920                 elif xxx.__class__ in [xxxFrame, xxxDialog, xxxPanel]:
 921                     SetMenu2(m, [
 922                         (ID_NEW.PANEL, 'Panel', 'Create panel'),
 923                         (ID_NEW.DIALOG, 'Dialog', 'Create dialog'),
 924                         (ID_NEW.FRAME, 'Frame', 'Create frame')])
 925                 elif xxx.isSizer:
 926                     SetMenu2(m, pullDownMenu.sizers)
 927                 else:
 928                     SetMenu2(m, pullDownMenu.controls)
 929                 id = wxNewId()
 930                 menu.AppendMenu(id, 'Replace With', m)
 931                 if not m.GetMenuItemCount(): menu.Enable(id, False)
 932                 menu.Append(pullDownMenu.ID_SUBCLASS, 'Subclass...',
 933                             'Set subclass property')
 934             menu.AppendSeparator()
 935             # Not using standart IDs because we don't want to show shortcuts
 936             menu.Append(wxID_CUT, 'Cut', 'Cut to the clipboard')
 937             menu.Append(wxID_COPY, 'Copy', 'Copy to the clipboard')
 938             if self.ctrl and item != self.root:
 939                 menu.Append(pullDownMenu.ID_PASTE_SIBLING, 'Paste Sibling',
 940                             'Paste from the clipboard as a sibling')
 941             else:
 942                 menu.Append(wxID_PASTE, 'Paste', 'Paste from the clipboard')
 943             menu.Append(pullDownMenu.ID_DELETE,
 944                                 'Delete', 'Delete object')
 945             if self.ItemHasChildren(item):
 946                 menu.AppendSeparator()
 947                 menu.Append(pullDownMenu.ID_EXPAND, 'Expand', 'Expand subtree')
 948                 menu.Append(pullDownMenu.ID_COLLAPSE, 'Collapse', 'Collapse subtree')
 949         self.PopupMenu(menu, evt.GetPosition())
 950         menu.Destroy()
 951
 952     # Apply changes
 953     def Apply(self, xxx, item):
 954         g.panel.Apply()
 955         # Update tree view
 956         xxx = xxx.treeObject()
 957         if xxx.hasName and self.GetItemText(item) != xxx.name:
 958             self.SetItemText(item, xxx.treeName())
 959             # Item width may have changed
 960             # !!! Tric to update tree width (wxGTK, ??)
 961             self.SetIndent(self.GetIndent())
 962         # Change tree icon for sizers
 963         if isinstance(xxx, xxxBoxSizer):
 964             self.SetItemImage(item, xxx.treeImage())
 965         # Set global modified state
 966         g.frame.modified = True
 967