wxPython/wx/tools/XRCed/panel.py

   1 # Name:         panel.py
   2 # Purpose:      XRC editor, Panel class and related
   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 from undo import *
   9 from wxPython.html import wxHtmlWindow
  10
  11 # Properties panel containing notebook
  12 class Panel(wxNotebook):
  13     def __init__(self, parent, id = -1):
  14         if wxPlatform != '__WXMAC__':   # some problems with this style on macs
  15             wxNotebook.__init__(self, parent, id, style=wxNB_BOTTOM)
  16         else:
  17             wxNotebook.__init__(self, parent, id)
  18         global panel
  19         g.panel = panel = self
  20         self.modified = False
  21
  22         # Set common button size for parameter buttons
  23         bTmp = wxButton(self, -1, '')
  24         import params
  25         params.buttonSize = (self.DLG_SZE(buttonSize)[0], bTmp.GetSize()[1])
  26         bTmp.Destroy()
  27         del bTmp
  28
  29         # List of child windows
  30         self.pages = []
  31         # Create scrolled windows for pages
  32         self.page1 = wxScrolledWindow(self, -1)
  33         sizer = wxBoxSizer()
  34         sizer.Add(wxBoxSizer())         # dummy sizer
  35         self.page1.SetAutoLayout(True)
  36         self.page1.SetSizer(sizer)
  37         self.AddPage(self.page1, 'Properties')
  38         # Second page
  39         self.page2 = wxScrolledWindow(self, -1)
  40         self.page2.Hide()
  41         sizer = wxBoxSizer()
  42         sizer.Add(wxBoxSizer())         # dummy sizer
  43         self.page2.SetAutoLayout(True)
  44         self.page2.SetSizer(sizer)
  45         # Cache for already used panels
  46         self.pageCache = {}             # cached property panels
  47         self.stylePageCache = {}        # cached style panels
  48
  49     # Delete child windows and recreate page sizer
  50     def ResetPage(self, page):
  51         topSizer = page.GetSizer()
  52         sizer = topSizer.GetChildren()[0].GetSizer()
  53         for w in page.GetChildren():
  54             sizer.Detach(w)
  55             if isinstance(w, ParamPage):
  56                 if w.IsShown():
  57                     w.Hide()
  58             else:
  59                 w.Destroy()
  60         topSizer.Remove(sizer)
  61         # Create new windows
  62         sizer = wxBoxSizer(wxVERTICAL)
  63         # Special case - resize html window
  64         if g.conf.panic:
  65             topSizer.Add(sizer, 1, wxEXPAND)
  66         else:
  67             topSizer.Add(sizer, 0, wxALL, 5)
  68         return sizer
  69
  70     def SetData(self, xxx):
  71         self.pages = []
  72         # First page
  73         # Remove current objects and sizer
  74         sizer = self.ResetPage(self.page1)
  75         if not xxx or (not xxx.allParams and not xxx.hasName):
  76             if g.tree.selection:
  77                 sizer.Add(wxStaticText(self.page1, -1, 'This item has no properties.'))
  78             else:                       # nothing selected
  79                 # If first time, show some help
  80                 if g.conf.panic:
  81                     html = wxHtmlWindow(self.page1, -1, wxDefaultPosition,
  82                                         wxDefaultSize, wxSUNKEN_BORDER)
  83                     html.SetPage(g.helpText)
  84                     sizer.Add(html, 1, wxEXPAND)
  85                     g.conf.panic = False
  86                 else:
  87                     sizer.Add(wxStaticText(self.page1, -1, 'Select a tree item.'))
  88         else:
  89             g.currentXXX = xxx.treeObject()
  90             # Normal or SizerItem page
  91             isGBSizerItem = isinstance(xxx.parent, xxxGridBagSizer)
  92             cacheID = (xxx.__class__, isGBSizerItem)
  93             try:
  94                 page = self.pageCache[cacheID]
  95                 page.box.SetLabel(xxx.panelName())
  96                 page.Show()
  97             except KeyError:
  98                 page = PropPage(self.page1, xxx.panelName(), xxx)
  99                 self.pageCache[cacheID] = page
 100             page.SetValues(xxx)
 101             self.pages.append(page)
 102             sizer.Add(page, 1, wxEXPAND)
 103             if xxx.hasChild:
 104                 # Special label for child objects - they may have different GUI
 105                 cacheID = (xxx.child.__class__, xxx.__class__)
 106                 try:
 107                     page = self.pageCache[cacheID]
 108                     page.box.SetLabel(xxx.child.panelName())
 109                     page.Show()
 110                 except KeyError:
 111                     page = PropPage(self.page1, xxx.child.panelName(), xxx.child)
 112                     self.pageCache[cacheID] = page
 113                 page.SetValues(xxx.child)
 114                 self.pages.append(page)
 115                 sizer.Add(page, 0, wxEXPAND | wxTOP, 5)
 116         self.page1.Layout()
 117         size = self.page1.GetSizer().GetMinSize()
 118         self.page1.SetScrollbars(1, 1, size.width, size.height, 0, 0, True)
 119
 120         # Second page
 121         # Create if does not exist
 122         if xxx and xxx.treeObject().hasStyle:
 123             xxx = xxx.treeObject()
 124             # Simplest case: set data if class is the same
 125             sizer = self.ResetPage(self.page2)
 126             try:
 127                 page = self.stylePageCache[xxx.__class__]
 128                 page.Show()
 129             except KeyError:
 130                 page = StylePage(self.page2, xxx.className + ' style', xxx)
 131                 self.stylePageCache[xxx.__class__] = page
 132             page.SetValues(xxx)
 133             self.pages.append(page)
 134             sizer.Add(page, 0, wxEXPAND)
 135             # Add page if not exists
 136             if not self.GetPageCount() == 2:
 137                 self.AddPage(self.page2, 'Style')
 138             self.page2.Layout()
 139             self.page2.Show(True)
 140             size = self.page2.GetSizer().GetMinSize()
 141             self.page2.SetScrollbars(1, 1, size.width, size.height, 0, 0, True)
 142         else:
 143             # Remove page if exists
 144             if self.GetPageCount() == 2:
 145                 self.SetSelection(0)
 146                 self.page1.Refresh()
 147                 self.RemovePage(1)
 148         self.modified = False
 149
 150     def Clear(self):
 151         self.SetData(None)
 152         self.modified = False
 153
 154     # If some parameter has changed
 155     def IsModified(self):
 156         return self.modified
 157
 158     def SetModified(self, value):
 159         # Register undo object when modifying first time
 160         if not self.modified and value:
 161            g.undoMan.RegisterUndo(UndoEdit())
 162         self.modified = value
 163
 164     def Apply(self):
 165         for p in self.pages: p.Apply()
 166
 167 ################################################################################
 168
 169 # General class for notebook pages
 170 class ParamPage(wxPanel):
 171     def __init__(self, parent, xxx):
 172         wxPanel.__init__(self, parent, -1)
 173         self.SetBackgroundColour(parent.GetBackgroundColour())
 174         self.SetForegroundColour(parent.GetForegroundColour())
 175         self.xxx = xxx
 176         # Register event handlers
 177         for id in paramIDs.values():
 178             EVT_CHECKBOX(self, id, self.OnCheckParams)
 179         self.checks = {}
 180         self.controls = {}              # save python objects
 181         self.controlName = None
 182
 183     def OnCheckParams(self, evt):
 184         xxx = self.xxx
 185         param = evt.GetEventObject().GetName()
 186         w = self.controls[param]
 187         w.Enable(True)
 188         objElem = xxx.element
 189         if evt.IsChecked():
 190             # Ad  new text node in order of allParams
 191             w.SetValue('')              # set empty (default) value
 192             w.SetModified()             # mark as changed
 193             elem = g.tree.dom.createElement(param)
 194             # Some classes are special
 195             if param == 'font':
 196                 xxx.params[param] = xxxParamFont(xxx.element, elem)
 197             elif param in xxxObject.bitmapTags:
 198                 xxx.params[param] = xxxParamBitmap(elem)
 199             else:
 200                 xxx.params[param] = xxxParam(elem)
 201             # Find place to put new element: first present element after param
 202             found = False
 203             paramStyles = xxx.allParams + xxx.styles
 204             for p in paramStyles[paramStyles.index(param) + 1:]:
 205                 # Content params don't have same type
 206                 if xxx.params.has_key(p) and p != 'content':
 207                     found = True
 208                     break
 209             if found:
 210                 nextTextElem = xxx.params[p].node
 211                 objElem.insertBefore(elem, nextTextElem)
 212             else:
 213                 objElem.appendChild(elem)
 214         else:
 215             # Remove parameter
 216             xxx.params[param].remove()
 217             del xxx.params[param]
 218             w.SetValue('')
 219             w.modified = False          # mark as not changed
 220             w.Enable(False)
 221         # Set modified flag (provokes undo storing is necessary)
 222         panel.SetModified(True)
 223     def Apply(self):
 224         xxx = self.xxx
 225         if self.controlName:
 226             name = self.controlName.GetValue()
 227             if xxx.name != name:
 228                 xxx.name = name
 229                 xxx.element.setAttribute('name', name)
 230         for param, w in self.controls.items():
 231             if w.modified:
 232                 paramObj = xxx.params[param]
 233                 value = w.GetValue()
 234                 if param in xxx.specials:
 235                     xxx.setSpecial(param, value)
 236                 else:
 237                     paramObj.update(value)
 238     # Save current state
 239     def SaveState(self):
 240         self.origChecks = map(lambda i: (i[0], i[1].GetValue()), self.checks.items())
 241         self.origControls = map(lambda i: (i[0], i[1].GetValue(), i[1].IsEnabled()),
 242                             self.controls.items())
 243         if self.controlName:
 244             self.origName = self.controlName.GetValue()
 245     # Return original values
 246     def GetState(self):
 247         if self.controlName:
 248             return (self.origChecks, self.origControls, self.origName)
 249         else:
 250             return (self.origChecks, self.origControls)
 251     # Set values from undo data
 252     def SetState(self, state):
 253         for k,v in state[0]:
 254             self.checks[k].SetValue(v)
 255         for k,v,e in state[1]:
 256             self.controls[k].SetValue(v)
 257             self.controls[k].Enable(e)
 258             if e: self.controls[k].modified = True
 259         if self.controlName:
 260             self.controlName.SetValue(state[2])
 261
 262 ################################################################################
 263
 264 LABEL_WIDTH = 125
 265
 266 # Panel for displaying properties
 267 class PropPage(ParamPage):
 268     def __init__(self, parent, label, xxx):
 269         ParamPage.__init__(self, parent, xxx)
 270         self.box = wxStaticBox(self, -1, label)
 271         self.box.SetFont(g.labelFont())
 272         topSizer = wxStaticBoxSizer(self.box, wxVERTICAL)
 273         sizer = wxFlexGridSizer(len(xxx.allParams), 2, 1, 1)
 274         sizer.AddGrowableCol(1)
 275         if xxx.hasName:
 276             label = wxStaticText(self, -1, 'XML ID:', size=(LABEL_WIDTH,-1))
 277             control = ParamText(self, 'XML_name', 200)
 278             sizer.AddMany([ (label, 0, wxALIGN_CENTER_VERTICAL),
 279                             (control, 0, wxALIGN_CENTER_VERTICAL | wxBOTTOM | wxGROW, 5) ])
 280             self.controlName = control
 281         for param in xxx.allParams:
 282             present = xxx.params.has_key(param)
 283             if param in xxx.required:
 284                 label = wxStaticText(self, paramIDs[param], param + ':',
 285                                      size = (LABEL_WIDTH,-1), name = param)
 286             else:
 287                 # Notebook has one very loooooong parameter
 288                 if param == 'usenotebooksizer': sParam = 'usesizer:'
 289                 else: sParam = param + ':'
 290                 label = wxCheckBox(self, paramIDs[param], sParam,
 291                                    size = (LABEL_WIDTH,-1), name = param)
 292                 self.checks[param] = label
 293             try:
 294                 typeClass = xxx.paramDict[param]
 295             except KeyError:
 296                 try:
 297                     # Standart type
 298                     typeClass = paramDict[param]
 299                 except KeyError:
 300                     # Default
 301                     typeClass = ParamText
 302             control = typeClass(self, param)
 303             control.Enable(present)
 304             sizer.AddMany([ (label, 0, wxALIGN_CENTER_VERTICAL),
 305                             (control, 0, wxALIGN_CENTER_VERTICAL | wxGROW) ])
 306             self.controls[param] = control
 307         topSizer.Add(sizer, 1, wxALL | wxEXPAND, 3)
 308         self.SetAutoLayout(True)
 309         self.SetSizer(topSizer)
 310         topSizer.Fit(self)
 311     def SetValues(self, xxx):
 312         self.xxx = xxx
 313         self.origChecks = []
 314         self.origControls = []
 315         # Set values, checkboxes to False, disable defaults
 316         if xxx.hasName:
 317             self.controlName.SetValue(xxx.name)
 318             self.origName = xxx.name
 319         for param in xxx.allParams:
 320             w = self.controls[param]
 321             w.modified = False
 322             try:
 323                 value = xxx.params[param].value()
 324                 w.Enable(True)
 325                 w.SetValue(value)
 326                 if not param in xxx.required:
 327                     self.checks[param].SetValue(True)
 328                     self.origChecks.append((param, True))
 329                 self.origControls.append((param, value, True))
 330             except KeyError:
 331                 self.checks[param].SetValue(False)
 332                 w.SetValue('')
 333                 w.Enable(False)
 334                 self.origChecks.append((param, False))
 335                 self.origControls.append((param, '', False))
 336
 337 ################################################################################
 338
 339 # Style notebook page
 340 class StylePage(ParamPage):
 341     def __init__(self, parent, label, xxx):
 342         ParamPage.__init__(self, parent, xxx)
 343         box = wxStaticBox(self, -1, label)
 344         box.SetFont(g.labelFont())
 345         topSizer = wxStaticBoxSizer(box, wxVERTICAL)
 346         sizer = wxFlexGridSizer(len(xxx.styles), 2, 1, 1)
 347         sizer.AddGrowableCol(1)
 348         for param in xxx.styles:
 349             present = xxx.params.has_key(param)
 350             check = wxCheckBox(self, paramIDs[param],
 351                                param + ':', size = (LABEL_WIDTH,-1), name = param)
 352             check.SetValue(present)
 353             control = paramDict[param](self, name = param)
 354             control.Enable(present)
 355             sizer.AddMany([ (check, 0, wxALIGN_CENTER_VERTICAL),
 356                             (control, 0, wxALIGN_CENTER_VERTICAL | wxGROW) ])
 357             self.checks[param] = check
 358             self.controls[param] = control
 359         topSizer.Add(sizer, 1, wxALL | wxEXPAND, 3)
 360         self.SetAutoLayout(True)
 361         self.SetSizer(topSizer)
 362         topSizer.Fit(self)
 363     # Set data for a cahced page
 364     def SetValues(self, xxx):
 365         self.xxx = xxx
 366         self.origChecks = []
 367         self.origControls = []
 368         for param in xxx.styles:
 369             present = xxx.params.has_key(param)
 370             check = self.checks[param]
 371             check.SetValue(present)
 372             w = self.controls[param]
 373             w.modified = False
 374             if present:
 375                 value = xxx.params[param].value()
 376             else:
 377                 value = ''
 378             w.SetValue(value)
 379             w.Enable(present)
 380             self.origChecks.append((param, present))
 381             self.origControls.append((param, value, present))
 382