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