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 wx.html import HtmlWindow
  10
  11 # Properties panel containing notebook
  12 class Panel(wx.Notebook):
  13     def __init__(self, parent, id = -1):
  14         if wx.Platform != '__WXMAC__':   # some problems with this style on macs
  15             wx.Notebook.__init__(self, parent, id, style=wx.NB_BOTTOM)
  16         else:
  17             wx.Notebook.__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 = wx.Button(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 = wx.ScrolledWindow(self, -1)
  33         sizer = wx.BoxSizer()
  34         sizer.Add(wx.BoxSizer())         # dummy sizer
  35         self.page1.SetAutoLayout(True)
  36         self.page1.SetSizer(sizer)
  37         self.AddPage(self.page1, 'Properties')
  38         # Second page
  39         self.page2 = wx.ScrolledWindow(self, -1)
  40         self.page2.Hide()
  41         sizer = wx.BoxSizer()
  42         sizer.Add(wx.BoxSizer())         # 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 = wx.BoxSizer(wx.VERTICAL)
  63         # Special case - resize html window
  64         if g.conf.panic:
  65             topSizer.Add(sizer, 1, wx.EXPAND)
  66         else:
  67             topSizer.Add(sizer, 0, wx.ALL, 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 and not xxx.hasChild):
  76             if g.tree.selection:
  77                 sizer.Add(wx.StaticText(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 = HtmlWindow(self.page1, -1, wx.DefaultPosition,
  82                                         wx.DefaultSize, wx.SUNKEN_BORDER)
  83                     html.SetPage(g.helpText)
  84                     sizer.Add(html, 1, wx.EXPAND)
  85                     g.conf.panic = False
  86                 else:
  87                     sizer.Add(wx.StaticText(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, wx.EXPAND)
 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, wx.EXPAND | wx.TOP, 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, wx.EXPAND)
 135             # Add page if not exists
 136             if not self.GetPageCount() == 2:
 137                 self.AddPage(self.page2, 'Style')
 138             self.page2.Layout()
 139             if 'wxGTK' in wx.PlatformInfo:
 140                 self.page2.Show(True)
 141             size = self.page2.GetSizer().GetMinSize()
 142             self.page2.SetScrollbars(1, 1, size.width, size.height, 0, 0, True)
 143         else:
 144             # Remove page if exists
 145             if self.GetPageCount() == 2:
 146                 self.SetSelection(0)
 147                 self.page1.Refresh()
 148                 self.RemovePage(1)
 149         self.modified = False
 150
 151     def Clear(self):
 152         self.SetData(None)
 153         self.modified = False
 154
 155     # If some parameter has changed
 156     def IsModified(self):
 157         return self.modified
 158
 159     def SetModified(self, value):
 160         # Register undo object when modifying first time
 161         if not self.modified and value:
 162            g.undoMan.RegisterUndo(UndoEdit())
 163         self.modified = value
 164
 165     def Apply(self):
 166         for p in self.pages: p.Apply()
 167
 168 ################################################################################
 169
 170 # General class for notebook pages
 171 class ParamPage(wx.Panel):
 172     def __init__(self, parent, xxx):
 173         wx.Panel.__init__(self, parent, -1)
 174         self.xxx = xxx
 175         # Register event handlers
 176         for id in paramIDs.values():
 177             wx.EVT_CHECKBOX(self, id, self.OnCheckParams)
 178         self.checks = {}
 179         self.controls = {}              # save python objects
 180         self.controlName = None
 181
 182     def OnCheckParams(self, evt):
 183         xxx = self.xxx
 184         param = evt.GetEventObject().GetName()
 185         w = self.controls[param]
 186         w.Enable(True)
 187         objElem = xxx.element
 188         if evt.IsChecked():
 189             # Ad  new text node in order of allParams
 190             w.SetValue('')              # set empty (default) value
 191             w.SetModified()             # mark as changed
 192             elem = g.tree.dom.createElement(param)
 193             # Some classes are special
 194             if param == 'font':
 195                 xxx.params[param] = xxxParamFont(xxx.element, elem)
 196             elif param in xxxObject.bitmapTags:
 197                 xxx.params[param] = xxxParamBitmap(elem)
 198             else:
 199                 xxx.params[param] = xxxParam(elem)
 200             # Find place to put new element: first present element after param
 201             found = False
 202             if xxx.hasStyle:
 203                 paramStyles = xxx.allParams + xxx.styles
 204             else:
 205                 paramStyles = xxx.allParams
 206             for p in paramStyles[paramStyles.index(param) + 1:]:
 207                 # Content params don't have same type
 208                 if xxx.params.has_key(p) and p != 'content':
 209                     found = True
 210                     break
 211             if found:
 212                 nextTextElem = xxx.params[p].node
 213                 objElem.insertBefore(elem, nextTextElem)
 214             else:
 215                 objElem.appendChild(elem)
 216         else:
 217             # Remove parameter
 218             xxx.params[param].remove()
 219             del xxx.params[param]
 220             w.SetValue('')
 221             w.modified = False          # mark as not changed
 222             w.Enable(False)
 223         # Set modified flag (provokes undo storing is necessary)
 224         panel.SetModified(True)
 225     def Apply(self):
 226         xxx = self.xxx
 227         if self.controlName:
 228             name = self.controlName.GetValue()
 229             if xxx.name != name:
 230                 xxx.name = name
 231                 xxx.element.setAttribute('name', name)
 232         for param, w in self.controls.items():
 233             if w.modified:
 234                 paramObj = xxx.params[param]
 235                 value = w.GetValue()
 236                 if param in xxx.specials:
 237                     xxx.setSpecial(param, value)
 238                 else:
 239                     paramObj.update(value)
 240     # Save current state
 241     def SaveState(self):
 242         self.origChecks = map(lambda i: (i[0], i[1].GetValue()), self.checks.items())
 243         self.origControls = map(lambda i: (i[0], i[1].GetValue(), i[1].IsEnabled()),
 244                             self.controls.items())
 245         if self.controlName:
 246             self.origName = self.controlName.GetValue()
 247     # Return original values
 248     def GetState(self):
 249         if self.controlName:
 250             return (self.origChecks, self.origControls, self.origName)
 251         else:
 252             return (self.origChecks, self.origControls)
 253     # Set values from undo data
 254     def SetState(self, state):
 255         for k,v in state[0]:
 256             self.checks[k].SetValue(v)
 257         for k,v,e in state[1]:
 258             self.controls[k].SetValue(v)
 259             self.controls[k].Enable(e)
 260             if e: self.controls[k].modified = True
 261         if self.controlName:
 262             self.controlName.SetValue(state[2])
 263
 264 ################################################################################
 265
 266 LABEL_WIDTH = 125
 267
 268 # Panel for displaying properties
 269 class PropPage(ParamPage):
 270     def __init__(self, parent, label, xxx):
 271         ParamPage.__init__(self, parent, xxx)
 272         self.box = wx.StaticBox(self, -1, label)
 273         self.box.SetFont(g.labelFont())
 274         topSizer = wx.StaticBoxSizer(self.box, wx.VERTICAL)
 275         sizer = wx.FlexGridSizer(len(xxx.allParams), 2, 0, 1)
 276         sizer.AddGrowableCol(1)
 277         if xxx.hasName:
 278             label = wx.StaticText(self, -1, 'XML ID:', size=(LABEL_WIDTH,-1))
 279             control = ParamText(self, 'XML_name', 200)
 280             sizer.AddMany([ (label, 0, wx.ALIGN_CENTER_VERTICAL),
 281                             (control, 0, wx.ALIGN_CENTER_VERTICAL | wx.BOTTOM | wx.GROW, 10) ])
 282             self.controlName = control
 283         for param in xxx.allParams:
 284             present = xxx.params.has_key(param)
 285             if param in xxx.required:
 286                 label = wx.StaticText(self, paramIDs[param], param + ':',
 287                                      size = (LABEL_WIDTH,-1), name = param)
 288             else:
 289                 # Notebook has one very loooooong parameter
 290                 if param == 'usenotebooksizer': sParam = 'usesizer:'
 291                 else: sParam = param + ':'
 292                 label = wx.CheckBox(self, paramIDs[param], sParam,
 293                                    size = (LABEL_WIDTH,-1), name = param)
 294                 self.checks[param] = label
 295             try:
 296                 typeClass = xxx.paramDict[param]
 297             except KeyError:
 298                 try:
 299                     # Standart type
 300                     typeClass = paramDict[param]
 301                 except KeyError:
 302                     # Default
 303                     typeClass = ParamText
 304             control = typeClass(self, param)
 305             control.Enable(present)
 306             sizer.AddMany([ (label, 0, wx.ALIGN_CENTER_VERTICAL),
 307                             (control, 0, wx.ALIGN_CENTER_VERTICAL | wx.GROW) ])
 308             self.controls[param] = control
 309         topSizer.Add(sizer, 1, wx.ALL | wx.EXPAND, 3)
 310         self.SetAutoLayout(True)
 311         self.SetSizer(topSizer)
 312         topSizer.Fit(self)
 313     def SetValues(self, xxx):
 314         self.xxx = xxx
 315         self.origChecks = []
 316         self.origControls = []
 317         # Set values, checkboxes to False, disable defaults
 318         if xxx.hasName:
 319             self.controlName.SetValue(xxx.name)
 320             self.origName = xxx.name
 321         for param in xxx.allParams:
 322             w = self.controls[param]
 323             w.modified = False
 324             try:
 325                 value = xxx.params[param].value()
 326                 w.Enable(True)
 327                 w.SetValue(value)
 328                 if not param in xxx.required:
 329                     self.checks[param].SetValue(True)
 330                     self.origChecks.append((param, True))
 331                 self.origControls.append((param, value, True))
 332             except KeyError:
 333                 self.checks[param].SetValue(False)
 334                 w.SetValue('')
 335                 w.Enable(False)
 336                 self.origChecks.append((param, False))
 337                 self.origControls.append((param, '', False))
 338
 339 ################################################################################
 340
 341 # Style notebook page
 342 class StylePage(ParamPage):
 343     def __init__(self, parent, label, xxx):
 344         ParamPage.__init__(self, parent, xxx)
 345         box = wx.StaticBox(self, -1, label)
 346         box.SetFont(g.labelFont())
 347         topSizer = wx.StaticBoxSizer(box, wx.VERTICAL)
 348         sizer = wx.FlexGridSizer(len(xxx.styles), 2, 0, 1)
 349         sizer.AddGrowableCol(1)
 350         for param in xxx.styles:
 351             present = xxx.params.has_key(param)
 352             check = wx.CheckBox(self, paramIDs[param],
 353                                param + ':', size = (LABEL_WIDTH,-1), name = param)
 354             check.SetValue(present)
 355             control = paramDict[param](self, name = param)
 356             control.Enable(present)
 357             sizer.AddMany([ (check, 0, wx.ALIGN_CENTER_VERTICAL),
 358                             (control, 0, wx.ALIGN_CENTER_VERTICAL | wx.GROW) ])
 359             self.checks[param] = check
 360             self.controls[param] = control
 361         topSizer.Add(sizer, 1, wx.ALL | wx.EXPAND, 3)
 362         self.SetAutoLayout(True)
 363         self.SetSizer(topSizer)
 364         topSizer.Fit(self)
 365     # Set data for a cahced page
 366     def SetValues(self, xxx):
 367         self.xxx = xxx
 368         self.origChecks = []
 369         self.origControls = []
 370         for param in xxx.styles:
 371             present = xxx.params.has_key(param)
 372             check = self.checks[param]
 373             check.SetValue(present)
 374             w = self.controls[param]
 375             w.modified = False
 376             if present:
 377                 value = xxx.params[param].value()
 378             else:
 379                 value = ''
 380             w.SetValue(value)
 381             w.Enable(present)
 382             self.origChecks.append((param, present))
 383             self.origControls.append((param, value, present))
 384