""" MODULE: wxgui_utils.py CLASSES: * AbstractLayer * Layer * LayerTree PURPOSE: Utility classes for GRASS wxPython GUI. Main functions include tree control for GIS map layer management, command console, and command parsing. AUTHORS: The GRASS Development Team Michael Barton (Arizona State University) Jachym Cepicky (Mendel University of Agriculture) Martin Landa COPYRIGHT: (C) 2007-2008 by the GRASS Development Team This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details. """ import os import sys import string import wx import wx.lib.customtreectrl as CT import wx.combo import wx.lib.newevent import globalvar import menuform import mapdisp import render import gcmd import grassenv import histogram import utils import profile from debug import Debug as Debug from icon import Icons as Icons from preferences import globalSettings as UserSettings try: import subprocess except: from compat import subprocess TREE_ITEM_HEIGHT = 25 class LayerTree(CT.CustomTreeCtrl): """ Creates layer tree structure """ # def __init__(self, parent, id, pos, size, style): def __init__(self, parent, id=wx.ID_ANY, pos=wx.DefaultPosition, size=wx.DefaultSize, style=wx.SUNKEN_BORDER, ctstyle=CT.TR_HAS_BUTTONS | CT.TR_HAS_VARIABLE_ROW_HEIGHT | CT.TR_HIDE_ROOT | CT.TR_ROW_LINES | CT.TR_FULL_ROW_HIGHLIGHT | CT.TR_EDIT_LABELS | CT.TR_MULTIPLE, idx=None, gismgr=None, notebook=None, auimgr=None, showMapDisplay=True): CT.CustomTreeCtrl.__init__(self, parent, id, pos, size, style, ctstyle) ### SetAutoLayout() causes that no vertical scrollbar is displayed ### when some layers are not visible in layer tree # self.SetAutoLayout(True) self.SetGradientStyle(1) self.EnableSelectionGradient(True) self.SetFirstGradientColour(wx.Colour(100, 100, 100)) self.SetSecondGradientColour(wx.Colour(150, 150, 150)) self.Map = render.Map() # instance of render.Map to be associated with display self.root = None # ID of layer tree root node self.groupnode = 0 # index value for layers self.optpage = {} # dictionary of notebook option pages for each map layer self.layer_selected = None # ID of currently selected layer self.saveitem = {} # dictionary to preserve layer attributes for drag and drop self.first = True # indicates if a layer is just added or not self.drag = False # flag to indicate a drag event is in process self.disp_idx = idx self.gismgr = gismgr self.notebook = notebook # GIS Manager notebook for layer tree self.treepg = parent # notebook page holding layer tree self.auimgr = auimgr # aui manager # init associated map display self.mapdisplay = mapdisp.MapFrame(self, id=wx.ID_ANY, pos=wx.DefaultPosition, size=globalvar.MAP_WINDOW_SIZE, style=wx.DEFAULT_FRAME_STYLE, tree=self, notebook=self.notebook, gismgr=self.gismgr, page=self.treepg, Map=self.Map, auimgr=self.auimgr) # title self.mapdisplay.SetTitle(_("GRASS GIS Map Display: " + str(self.disp_idx + 1) + " - Location: " + grassenv.GetGRASSVariable("LOCATION_NAME"))) # show new display if showMapDisplay is True: self.mapdisplay.Show() self.mapdisplay.Refresh() self.mapdisplay.Update() self.root = self.AddRoot(_("Map Layers")) self.SetPyData(self.root, (None,None)) #create image list to use with layer tree il = wx.ImageList(16, 16, mask=False) trart = wx.ArtProvider.GetBitmap(wx.ART_FOLDER_OPEN, wx.ART_OTHER, (16, 16)) self.folder_open = il.Add(trart) trart = wx.ArtProvider.GetBitmap(wx.ART_FOLDER, wx.ART_OTHER, (16, 16)) self.folder = il.Add(trart) bmpsize = (16, 16) trgif = Icons["addrast"].GetBitmap(bmpsize) self.rast_icon = il.Add(trgif) trgif = Icons["addrgb"].GetBitmap(bmpsize) self.rgb_icon = il.Add(trgif) trgif = Icons["addhis"].GetBitmap(bmpsize) self.his_icon = il.Add(trgif) trgif = Icons["addshaded"].GetBitmap(bmpsize) self.shaded_icon = il.Add(trgif) trgif = Icons["addrarrow"].GetBitmap(bmpsize) self.rarrow_icon = il.Add(trgif) trgif = Icons["addrnum"].GetBitmap(bmpsize) self.rnum_icon = il.Add(trgif) trgif = Icons["addvect"].GetBitmap(bmpsize) self.vect_icon = il.Add(trgif) trgif = Icons["addthematic"].GetBitmap(bmpsize) self.theme_icon = il.Add(trgif) trgif = Icons["addchart"].GetBitmap(bmpsize) self.chart_icon = il.Add(trgif) trgif = Icons["addgrid"].GetBitmap(bmpsize) self.grid_icon = il.Add(trgif) trgif = Icons["addgeodesic"].GetBitmap(bmpsize) self.geodesic_icon = il.Add(trgif) trgif = Icons["addrhumb"].GetBitmap(bmpsize) self.rhumb_icon = il.Add(trgif) trgif = Icons["addlabels"].GetBitmap(bmpsize) self.labels_icon = il.Add(trgif) trgif = Icons["addcmd"].GetBitmap(bmpsize) self.cmd_icon = il.Add(trgif) self.AssignImageList(il) # use when groups implemented ## self.tree.SetItemImage(self.root, fldridx, wx.TreeItemIcon_Normal) ## self.tree.SetItemImage(self.root, fldropenidx, wx.TreeItemIcon_Expanded) self.Bind(wx.EVT_TREE_ITEM_EXPANDING, self.OnExpandNode) self.Bind(wx.EVT_TREE_ITEM_COLLAPSED, self.OnCollapseNode) self.Bind(wx.EVT_TREE_ITEM_ACTIVATED, self.OnActivateLayer) self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnChangeSel) self.Bind(CT.EVT_TREE_ITEM_CHECKED, self.OnLayerChecked) self.Bind(wx.EVT_TREE_DELETE_ITEM, self.OnDeleteLayer) self.Bind(wx.EVT_TREE_BEGIN_DRAG, self.OnBeginDrag) self.Bind(wx.EVT_TREE_END_DRAG, self.OnEndDrag) self.Bind(wx.EVT_TREE_ITEM_RIGHT_CLICK, self.OnLayerContextMenu) self.Bind(wx.EVT_TREE_END_LABEL_EDIT, self.OnChangeLayerName) self.Bind(wx.EVT_KEY_UP, self.OnKeyUp) # self.Bind(wx.EVT_CLOSE, self.OnCloseWindow) def OnKeyUp(self, event): """Key pressed""" key = event.GetKeyCode() if key == wx.WXK_DELETE and self.gismgr: self.gismgr.OnDeleteLayer(None) event.Skip() def OnChangeLayerName (self, event): """Change layer name""" Debug.msg (3, "LayerTree.OnChangeLayerName: name=%s" % event.GetLabel()) def OnLayerContextMenu (self, event): """Contextual menu for item/layer""" if not self.layer_selected: event.Skip() return ltype = self.GetPyData(self.layer_selected)[0]['type'] Debug.msg (4, "LayerTree.OnContextMenu: layertype=%s" % \ ltype) ## pos = event.GetPosition() ## pos = self.ScreenToClient(pos) if not hasattr (self, "popupID1"): self.popupID1 = wx.NewId() self.popupID2 = wx.NewId() self.popupID3 = wx.NewId() self.popupID4 = wx.NewId() self.popupID5 = wx.NewId() self.popupID6 = wx.NewId() self.popupID7 = wx.NewId() self.popupID8 = wx.NewId() self.popupID9 = wx.NewId() self.popupID10 = wx.NewId() self.popupID11 = wx.NewId() # nviz self.popupID12 = wx.NewId() self.popupID13 = wx.NewId() self.popupMenu = wx.Menu() # general item self.popupMenu.Append(self.popupID1, text=_("Remove")) self.Bind(wx.EVT_MENU, self.gismgr.OnDeleteLayer, id=self.popupID1) if ltype != "command": # rename self.popupMenu.Append(self.popupID2, text=_("Rename")) self.Bind(wx.EVT_MENU, self.RenameLayer, id=self.popupID2) # map layer items if ltype != "group" and \ ltype != "command": # properties self.popupMenu.AppendSeparator() self.popupMenu.Append(self.popupID8, text=_("Change opacity level"), kind=wx.ITEM_CHECK) if self.FindWindowById(self.GetPyData(self.layer_selected)[0]['ctrl']).GetName() == 'spinCtrl': checked = True else: checked = False self.popupMenu.Check(self.popupID8, checked) self.Bind(wx.EVT_MENU, self.OnPopupOpacityLevel, id=self.popupID8) self.popupMenu.Append(self.popupID3, text=_("Properties")) self.Bind(wx.EVT_MENU, self.OnPopupProperties, id=self.popupID3) self.popupMenu.Append(self.popupID9, text=_("Zoom to selected map")) self.Bind(wx.EVT_MENU, self.mapdisplay.MapWindow.OnZoomToMap, id=self.popupID9) self.popupMenu.Append(self.popupID10, text=_("Set computational region from selected map")) self.Bind(wx.EVT_MENU, self.OnSetCompRegFromMap, id=self.popupID10) # specific items try: mltype = self.GetPyData(self.layer_selected)[0]['type'] except: mltype = None # # vector layers (specific items) # if mltype and mltype == "vector": self.popupMenu.AppendSeparator() self.popupMenu.Append(self.popupID4, text=_("Show attribute data")) self.Bind (wx.EVT_MENU, self.gismgr.OnShowAttributeTable, id=self.popupID4) self.popupMenu.Append(self.popupID5, text=_("Start editing")) self.popupMenu.Append(self.popupID6, text=_("Stop editing")) self.popupMenu.Enable(self.popupID6, False) self.Bind (wx.EVT_MENU, self.OnStartEditing, id=self.popupID5) self.Bind (wx.EVT_MENU, self.OnStopEditing, id=self.popupID6) layer = self.GetPyData(self.layer_selected)[0]['maplayer'] # enable editing only for vector map layers available in the current mapset digit = self.mapdisplay.toolbars['vdigit'] if layer.GetMapset() != grassenv.GetGRASSVariable("MAPSET"): # only vector map in current mapset can be edited self.popupMenu.Enable (self.popupID5, False) self.popupMenu.Enable (self.popupID6, False) elif digit and digit.layerSelectedID != None: # vector map already edited if digit.layers[digit.layerSelectedID] == layer: self.popupMenu.Enable (self.popupID5, False) self.popupMenu.Enable(self.popupID6, True) self.popupMenu.Enable(self.popupID1, False) else: self.popupMenu.Enable(self.popupID5, False) self.popupMenu.Enable(self.popupID6, False) self.popupMenu.Append(self.popupID7, _("Metadata")) self.Bind (wx.EVT_MENU, self.OnMetadata, id=self.popupID7) # # raster layers (specific items) # elif mltype and mltype == "raster": self.popupMenu.Append(self.popupID12, text=_("Zoom to selected map (ignore NULLs)")) self.Bind(wx.EVT_MENU, self.mapdisplay.MapWindow.OnZoomToRaster, id=self.popupID12) self.popupMenu.Append(self.popupID13, text=_("Set computational region from selected map (ignore NULLs)")) self.Bind(wx.EVT_MENU, self.OnSetCompRegFromRaster, id=self.popupID13) self.popupMenu.AppendSeparator() self.popupMenu.Append(self.popupID4, _("Histogram")) self.Bind (wx.EVT_MENU, self.OnHistogram, id=self.popupID4) self.popupMenu.Append(self.popupID5, _("Profile")) self.Bind (wx.EVT_MENU, self.OnProfile, id=self.popupID5) self.popupMenu.Append(self.popupID6, _("Metadata")) self.Bind (wx.EVT_MENU, self.OnMetadata, id=self.popupID6) if self.mapdisplay.toolbars['nviz']: self.popupMenu.Append(self.popupID11, _("Nviz properties")) self.Bind (wx.EVT_MENU, self.OnNvizProperties, id=self.popupID11) ## self.PopupMenu(self.popupMenu, pos) self.PopupMenu(self.popupMenu) self.popupMenu.Destroy() def OnMetadata(self, event): """Print metadata of raster/vector map layer TODO: Dialog to modify metadata """ mapLayer = self.GetPyData(self.layer_selected)[0]['maplayer'] mltype = self.GetPyData(self.layer_selected)[0]['type'] if mltype == 'raster': cmd = ['r.info'] elif mltype == 'vector': cmd = ['v.info'] cmd.append('map=%s' % mapLayer.name) # print output to command log area self.gismgr.goutput.RunCmd(cmd) def OnSetCompRegFromRaster(self, event): """Set computational region from selected raster map (ignore NULLs)""" mapLayer = self.GetPyData(self.layer_selected)[0]['maplayer'] cmd = ['g.region', '-p', 'zoom=%s' % mapLayer.name] # print output to command log area self.gismgr.goutput.RunCmd(cmd) def OnSetCompRegFromMap(self, event): """Set computational region from selected raster/vector map""" mapLayer = self.GetPyData(self.layer_selected)[0]['maplayer'] mltype = self.GetPyData(self.layer_selected)[0]['type'] cmd = ['g.region', '-p'] # print by default # TODO: other elements if mltype == 'raster': cmd.append('rast=%s' % mapLayer.name) elif mltype == 'vector': cmd.append('vect=%s' % mapLayer.name) # print output to command log area self.gismgr.goutput.RunCmd(cmd) def OnProfile(self, event): """Plot profile of given raster map layer""" mapLayer = self.GetPyData(self.layer_selected)[0]['maplayer'] if not mapLayer.name: wx.MessageBox(parent=self, message=_("Unable to create profile of " "raster map."), caption=_("Error"), style=wx.OK | wx.ICON_ERROR | wx.CENTRE) return False if not hasattr (self, "profileFrame"): self.profileFrame = None if hasattr (self.mapdisplay, "profile") and self.mapdisplay.profile: self.profileFrame = self.mapdisplay.profile if not self.profileFrame: self.profileFrame = profile.ProfileFrame(self.mapdisplay, id=wx.ID_ANY, pos=wx.DefaultPosition, size=(700,300), style=wx.DEFAULT_FRAME_STYLE, rasterList=[mapLayer.name]) # show new display self.profileFrame.Show() def OnHistogram(self, event): """ Plot histogram for given raster map layer """ mapLayer = self.GetPyData(self.layer_selected)[0]['maplayer'] if not mapLayer.name: wx.MessageBox(parent=self, message=_("Unable to display histogram of " "raster map."), caption=_("Error"), style=wx.OK | wx.ICON_ERROR | wx.CENTRE) return False if not hasattr (self, "histogramFrame"): self.histogramFrame = None if hasattr (self.mapdisplay, "histogram") and self.mapdisplay.histogram: self.histogramFrame = self.mapdisplay.histogram if not self.histogramFrame: self.histogramFrame = histogram.HistFrame(self, id=wx.ID_ANY, pos=wx.DefaultPosition, size=globalvar.HIST_WINDOW_SIZE, style=wx.DEFAULT_FRAME_STYLE) # show new display self.histogramFrame.Show() self.histogramFrame.SetHistLayer(['d.histogram', 'map=%s' % mapLayer.name]) self.histogramFrame.HistWindow.UpdateHist() self.histogramFrame.Refresh() self.histogramFrame.Update() return True def OnStartEditing (self, event): """ Start editing vector map layer requested by the user """ try: maplayer = self.GetPyData(self.layer_selected)[0]['maplayer'] except: event.Skip() return if not self.mapdisplay.toolbars['vdigit']: # enable tool self.mapdisplay.AddToolbar('vdigit') else: # tool already enabled pass # mark layer as 'edited' self.mapdisplay.toolbars['vdigit'].StartEditing (maplayer) def OnStopEditing (self, event): """ Stop editing the current vector map layer """ try: maplayer = self.GetPyData(self.layer_selected)[0]['maplayer'] except: event.Skip() return self.mapdisplay.toolbars['vdigit'].OnExit() self.mapdisplay.imgVectorMap = None def OnPopupProperties (self, event): """Popup properties dialog""" self.PropertiesDialog(self.layer_selected) def OnPopupOpacityLevel(self, event): """Popup opacity level indicator""" if not self.GetPyData(self.layer_selected)[0]['ctrl']: return win = self.FindWindowById(self.GetPyData(self.layer_selected)[0]['ctrl']) type = win.GetName() self.layer_selected.DeleteWindow() opacity = self.GetPyData(self.layer_selected)[0]['maplayer'].GetOpacity() if type == 'staticText': ctrl = wx.SpinCtrl(self, id=wx.ID_ANY, value="", style=wx.SP_ARROW_KEYS, initial=100, min=0, max=100, name='spinCtrl') ctrl.SetValue(opacity) self.Bind(wx.EVT_SPINCTRL, self.OnOpacity, ctrl) else: ctrl = wx.StaticText(self, id=wx.ID_ANY, name='staticText') if opacity < 100: ctrl.SetLabel(' (' + str(opacity) + '%)') self.GetPyData(self.layer_selected)[0]['ctrl'] = ctrl.GetId() self.layer_selected.SetWindow(ctrl) self.RefreshSelected() self.Refresh() def OnNvizProperties(self, event): """Nviz-related properties (raster/vector/volume) @todo vector/volume """ if not self.mapdisplay.nvizToolWin.IsShown(): self.mapdisplay.nvizToolWin.Show() self.mapdisplay.nvizToolWin.SetPage('surface') def RenameLayer (self, event): """Rename layer""" self.EditLabel(self.layer_selected) def AddLayer(self, ltype, lname=None, lchecked=None, lopacity=None, lcmd=None, lgroup=None): """Add new item to the layer tree, create corresponding MapLayer instance. Launch property dialog if needed (raster, vector, etc.) Note: lcmd is given as a list """ self.first = True params = {} # no initial options parameters # deselect active item if self.layer_selected: self.SelectItem(self.layer_selected, select=False) Debug.msg (3, "LayerTree().AddLayer(): ltype=%s" % (ltype)) if ltype == 'command': # generic command item ctrl = wx.TextCtrl(self, id=wx.ID_ANY, value='', pos=wx.DefaultPosition, size=(250,25), style=wx.TE_MULTILINE|wx.TE_WORDWRAP) ctrl.Bind(wx.EVT_TEXT_ENTER, self.OnCmdChanged) ctrl.Bind(wx.EVT_TEXT, self.OnCmdChanged) elif ltype == 'group': # group item ctrl = None grouptext = _('Layer group:') + str(self.groupnode) self.groupnode += 1 else: # all other items (raster, vector, ...) if UserSettings.Get(group='manager', key='changeOpacityLevel', subkey='enabled'): ctrl = wx.SpinCtrl(self, id=wx.ID_ANY, value="", style=wx.SP_ARROW_KEYS, initial=100, min=0, max=100, name='spinCtrl') self.Bind(wx.EVT_SPINCTRL, self.OnOpacity, ctrl) else: ctrl = wx.StaticText(self, id=wx.ID_ANY, name='staticText') # add layer to the layer tree if self.layer_selected and self.layer_selected != self.GetRootItem(): if self.GetPyData(self.layer_selected)[0]['type'] != 'group': if lgroup is False: # last child of root layer = self.AppendItem(parentId=self.root, text='', ct_type=1, wnd=ctrl) elif lgroup is None or lgroup is True: # insert item as last child parent = self.GetItemParent(self.layer_selected) # layer = self.InsertItem(parentId=parent, input=self.GetPrevSibling(self.layer_selected), # text='', ct_type=1, wnd=ctrl) layer = self.AppendItem(parentId=parent, text='', ct_type=1, wnd=ctrl) else: # group (first child of self.layer_selected) layer = self.PrependItem(parent=self.layer_selected, text='', ct_type=1, wnd=ctrl) self.Expand(self.layer_selected) else: # add first layer to the layer tree (first child of root) layer = self.PrependItem(parent=self.root, text='', ct_type=1, wnd=ctrl) # layer is initially unchecked as inactive (beside 'command') # use predefined value if given if lchecked is not None: checked = lchecked else: checked = True self.CheckItem(layer, checked=checked) # select new item self.SelectItem(layer, select=True) self.layer_selected = layer # add text and icons for each layer ltype if ltype == 'raster': self.SetItemImage(layer, self.rast_icon) self.SetItemText(layer, '%s %s' % (_('raster'), _('(double click to set properties)'))) elif ltype == 'rgb': self.SetItemImage(layer, self.rgb_icon) self.SetItemText(layer, '%s %s' % (_('RGB'), _('(double click to set properties)'))) elif ltype == 'his': self.SetItemImage(layer, self.his_icon) self.SetItemText(layer, '%s %s' % (_('HIS'), _('(double click to set properties)'))) elif ltype == 'shaded': self.SetItemImage(layer, self.shaded_icon) self.SetItemText(layer, '%s %s' % (_('Shaded relief'), _('(double click to set properties)'))) elif ltype == 'rastnum': self.SetItemImage(layer, self.rnum_icon) self.SetItemText(layer, '%s %s' % (_('raster cell numbers'), _('(double click to set properties)'))) elif ltype == 'rastarrow': self.SetItemImage(layer, self.rarrow_icon) self.SetItemText(layer, '%s %s' % (_('raster flow arrows'), _('(double click to set properties)'))) elif ltype == 'vector': self.SetItemImage(layer, self.vect_icon) self.SetItemText(layer, '%s %s' % (_('vector'), _('(double click to set properties)'))) elif ltype == 'thememap': self.SetItemImage(layer, self.theme_icon) self.SetItemText(layer, '%s %s' % (_('thematic map'), _('(double click to set properties)'))) elif ltype == 'themechart': self.SetItemImage(layer, self.chart_icon) self.SetItemText(layer, '%s %s' % (_('thematic charts'), _('(double click to set properties)'))) elif ltype == 'grid': self.SetItemImage(layer, self.grid_icon) self.SetItemText(layer, '%s %s' % (_('grid'), _('(double click to set properties)'))) elif ltype == 'geodesic': self.SetItemImage(layer, self.geodesic_icon) self.SetItemText(layer, '%s %s' % (_('geodesic line'), _('(double click to set properties)'))) elif ltype == 'rhumb': self.SetItemImage(layer, self.rhumb_icon) self.SetItemText(layer, '%s %s' % (_('rhumbline'), _('(double click to set properties)'))) elif ltype == 'labels': self.SetItemImage(layer, self.labels_icon) self.SetItemText(layer, '%s %s' % (_('vector labels'), _('(double click to set properties)'))) elif ltype == 'command': self.SetItemImage(layer, self.cmd_icon) elif ltype == 'group': self.SetItemImage(layer, self.folder) self.SetItemText(layer, grouptext) self.first = False if ltype != 'group': if lopacity: opacity = lopacity if UserSettings.Get(group='manager', key='changeOpacityLevel', subkey='enabled'): ctrl.SetValue(int(lopacity * 100)) else: if opacity < 1.0: ctrl.SetLabel(' (' + str(int(opacity * 100)) + '%)') else: opacity = 1.0 if lcmd and len(lcmd) > 1: cmd = lcmd render = False name = utils.GetLayerNameFromCmd(lcmd) else: cmd = [] render = False name = None if ctrl: ctrlId = ctrl.GetId() else: ctrlId = None # add a data object to hold the layer's command (does not apply to generic command layers) self.SetPyData(layer, ({'cmd': cmd, 'type' : ltype, 'ctrl' : ctrlId, 'maplayer' : None, 'nviz' : None, 'prowin' : None}, None)) maplayer = self.Map.AddLayer(type=ltype, command=self.GetPyData(layer)[0]['cmd'], name=name, l_active=checked, l_hidden=False, l_opacity=opacity, l_render=render) self.GetPyData(layer)[0]['maplayer'] = maplayer # run properties dialog if no properties given if len(cmd) == 0: self.PropertiesDialog(layer, show=True) else: # group self.SetPyData(layer, ({'cmd': None, 'type' : ltype, 'ctrl' : None, 'maplayer' : None, 'prowin' : None}, None)) # use predefined layer name if given if lname: if ltype != 'command': self.SetItemText(layer, lname) else: ctrl.SetValue(lname) # updated progress bar range (mapwindow statusbar) if checked is True: self.mapdisplay.onRenderGauge.SetRange(len(self.Map.GetListOfLayers(l_active=True))) # layer.SetHeight(TREE_ITEM_HEIGHT) return layer def PropertiesDialog (self, layer, show=True): """Launch the properties dialog""" if self.GetPyData(layer)[0].has_key('propwin') and \ self.GetPyData(layer)[0]['propwin'] is not None: # recycle GUI dialogs if self.GetPyData(layer)[0]['propwin'].IsShown(): self.GetPyData(layer)[0]['propwin'].SetFocus() else: self.GetPyData(layer)[0]['propwin'].Show() return completed = '' params = self.GetPyData(layer)[1] ltype = self.GetPyData(layer)[0]['type'] Debug.msg (3, "LayerTree.PropertiesDialog(): ltype=%s" % \ ltype) if self.GetPyData(layer)[0]['cmd']: cmdValidated = menuform.GUI().ParseCommand(self.GetPyData(layer)[0]['cmd'], completed=(self.GetOptData,layer,params), parentframe=self, show=show) self.GetPyData(layer)[0]['cmd'] = cmdValidated elif ltype == 'raster': cmd = ['d.rast'] if UserSettings.Get(group='cmd', key='rasterOverlay', subkey='enabled'): cmd.append('-o') menuform.GUI().ParseCommand(cmd, completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'rgb': menuform.GUI().ParseCommand(['d.rgb'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'his': menuform.GUI().ParseCommand(['d.his'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'shaded': menuform.GUI().ParseCommand(['d.shadedmap'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'rastarrow': menuform.GUI().ParseCommand(['d.rast.arrow'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'rastnum': menuform.GUI().ParseCommand(['d.rast.num'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'vector': menuform.GUI().ParseCommand(['d.vect'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'thememap': # -s flag requested, otherwise only first thematic category is displayed # should be fixed by C-based d.thematic.* modules menuform.GUI().ParseCommand(['d.vect.thematic', '-s'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'themechart': menuform.GUI().ParseCommand(['d.vect.chart'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'grid': menuform.GUI().ParseCommand(['d.grid'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'geodesic': menuform.GUI().ParseCommand(['d.geodesic'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'rhumb': menuform.GUI().ParseCommand(['d.rhumbline'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'labels': menuform.GUI().ParseCommand(['d.labels'], completed=(self.GetOptData,layer,params), parentframe=self) elif ltype == 'cmdlayer': pass elif ltype == 'group': pass def OnActivateLayer(self, event): """Click on the layer item. Launch property dialog, or expand/collapse group of items, etc.""" layer = event.GetItem() self.layer_selected = layer self.PropertiesDialog (layer) if self.GetPyData(layer)[0]['type'] == 'group': if self.IsExpanded(layer): self.Collapse(layer) else: self.Expand(layer) def OnDeleteLayer(self, event): """Remove selected layer item from the layer tree""" item = event.GetItem() try: item.properties.Close(True) except: pass if item != self.root: Debug.msg (3, "LayerTree.OnDeleteLayer(): name=%s" % \ (self.GetItemText(item))) else: self.root = None # unselect item self.Unselect() self.layer_selected = None try: if self.GetPyData(item)[0]['type'] != 'group': self.Map.DeleteLayer( self.GetPyData(item)[0]['maplayer']) except: pass # redraw map if auto-rendering is enabled if self.mapdisplay.autoRender.GetValue(): self.mapdisplay.OnRender(None) if self.mapdisplay.toolbars['vdigit']: self.mapdisplay.toolbars['vdigit'].UpdateListOfLayers (updateTool=True) # update progress bar range (mapwindow statusbar) self.mapdisplay.onRenderGauge.SetRange(len(self.Map.GetListOfLayers(l_active=True))) event.Skip() def OnLayerChecked(self, event): """Enable/disable data layer""" item = event.GetItem() checked = item.IsChecked() if self.drag == False and self.first == False: # change active parameter for item in layers list in render.Map if self.GetPyData(item)[0]['type'] == 'group': child, cookie = self.GetFirstChild(item) while child: self.CheckItem(child, checked) self.Map.ChangeLayerActive(self.GetPyData(child)[0]['maplayer'], checked) child = self.GetNextSibling(child) else: self.Map.ChangeLayerActive(self.GetPyData(item)[0]['maplayer'], checked) # update progress bar range (mapwindow statusbar) self.mapdisplay.onRenderGauge.SetRange(len(self.Map.GetListOfLayers(l_active=True))) if self.mapdisplay.toolbars['nviz']: # nviz - load/unload data layer mapLayer = self.GetPyData(item)[0]['maplayer'] if checked: # enable if mapLayer.type == 'raster': self.mapdisplay.MapWindow.LoadRaster(mapLayer) elif mapLayer.type == 'vector': self.mapdisplay.MapWindow.LoadVector(mapLayer) else: # disable if mapLayer.type == 'raster': self.mapdisplay.MapWindow.UnloadRaster(mapLayer) elif mapLayer.type == 'vector': self.mapdisplay.MapWindow.UnloadVector(mapLayer) # redraw map if auto-rendering is enabled if self.mapdisplay.autoRender.GetValue(): self.mapdisplay.OnRender(None) def OnCmdChanged(self, event): """Change command string""" ctrl = event.GetEventObject().GetId() cmd = event.GetString() layer = None layer = self.GetFirstVisibleItem() while layer and layer.IsOk(): if self.GetPyData(layer)[0]['ctrl'] == ctrl: break layer = self.GetNextVisible(layer) # change parameters for item in layers list in render.Map if layer and self.drag == False: self.ChangeLayer(layer) self.GetPyData(layer)[0]['cmd'] = cmd.split(' ') maplayer = self.GetPyData(layer)[0]['maplayer'] for option in maplayer.GetCmd(): if 'map=' in option: mapname = option.split('=')[1] self.Map.ChangeLayerName(maplayer, mapname) event.Skip() def OnOpacity(self, event): """ Set opacity level for map layer """ Debug.msg (3, "LayerTree.OnOpacity(): %s" % event.GetInt()) ctrl = event.GetEventObject().GetId() maplayer = None vislayer = self.GetFirstVisibleItem() layer = None for item in range(0, self.GetCount()): if self.GetPyData(vislayer)[0]['ctrl'] == ctrl: layer = vislayer if not self.GetNextVisible(vislayer): break else: vislayer = self.GetNextVisible(vislayer) if layer: maplayer = self.GetPyData(layer)[0]['maplayer'] opacity = event.GetInt() / 100. # change opacity parameter for item in layers list in render.Map if maplayer and self.drag == False: self.Map.ChangeOpacity(maplayer, opacity) # redraw map if auto-rendering is enabled if self.mapdisplay.autoRender.GetValue(): self.mapdisplay.OnRender(None) def OnChangeSel(self, event): """Selection changed""" oldlayer = event.GetOldItem() layer = event.GetItem() self.layer_selected = layer try: self.RefreshLine(oldlayer) self.RefreshLine(layer) except: pass # update nviz tools if self.mapdisplay.toolbars['nviz']: self.mapdisplay.nvizToolWin.UpdatePage('surface') def OnCollapseNode(self, event): """ Collapse node """ if self.GetPyData(self.layer_selected)[0]['type'] == 'group': self.SetItemImage(self.layer_selected, self.folder) def OnExpandNode(self, event): """ Expand node """ self.layer_selected = event.GetItem() if self.GetPyData(self.layer_selected)[0]['type'] == 'group': self.SetItemImage(self.layer_selected, self.folder_open) def OnBeginDrag(self, event): """ Drag and drop of tree nodes """ item = event.GetItem() Debug.msg (3, "LayerTree.OnBeginDrag(): layer=%s" % \ (self.GetItemText(item))) event.Allow() self.drag = True self.DoSelectItem(item, unselect_others=True) # save everthing associated with item to drag self.dragItem = item def RecreateItem (self, event, oldItem, parent=None): """ Recreate item (needed for OnEndDrag()) """ Debug.msg (4, "LayerTree.RecreateItem(): layer=%s" % \ self.GetItemText(oldItem)) # fetch data (olditem) text = self.GetItemText(oldItem) image = self.GetItemImage(oldItem, 0) if self.GetPyData(oldItem)[0]['ctrl']: oldctrl = self.FindWindowById(self.GetPyData(oldItem)[0]['ctrl']) else: oldctrl = None checked = self.IsItemChecked(oldItem) # recreate spin/text control for layer if self.GetPyData(oldItem)[0]['type'] == 'command': newctrl = wx.TextCtrl(self, id=wx.ID_ANY, value='', pos=wx.DefaultPosition, size=(250,25), style=wx.TE_MULTILINE|wx.TE_WORDWRAP) try: newctrl.SetValue(self.GetPyData(oldItem)[0]['maplayer'].GetCmd(string=True)) except: pass newctrl.Bind(wx.EVT_TEXT_ENTER, self.OnCmdChanged) newctrl.Bind(wx.EVT_TEXT, self.OnCmdChanged) elif self.GetPyData(oldItem)[0]['type'] == 'group' or oldctrl is None: newctrl = None else: opacity = self.GetPyData(oldItem)[0]['maplayer'].GetOpacity() if oldctrl.GetName() == 'staticText': newctrl = wx.StaticText(self, id=wx.ID_ANY, name='staticText') if opacity < 100: newctrl.SetLabel(' (' + str(opacity) + '%)') else: newctrl = wx.SpinCtrl(self, id=wx.ID_ANY, value="", style=wx.SP_ARROW_KEYS, min=0, max=100, name='spinCtrl') newctrl.SetValue(opacity) self.Bind(wx.EVT_SPINCTRL, self.OnOpacity, newctrl) # decide where to put new layer and put it there if not parent: flag = self.HitTest(event.GetPoint())[1] else: flag = 0 if self.GetPyData(oldItem)[0]['type'] == 'group': windval = None data = None else: windval = self.GetPyData(self.layer_selected)[0]['maplayer'].GetOpacity() data = self.GetPyData(oldItem) # create GenericTreeItem instance if flag & wx.TREE_HITTEST_ABOVE: newItem = self.PrependItem(self.root, text=text, \ ct_type=1, wnd=newctrl, image=image, \ data=data) elif (flag & wx.TREE_HITTEST_BELOW) or (flag & wx.TREE_HITTEST_NOWHERE) \ or (flag & wx.TREE_HITTEST_TOLEFT) or (flag & wx.TREE_HITTEST_TORIGHT): newItem = self.AppendItem(self.root, text=text, \ ct_type=1, wnd=newctrl, image=image, \ data=data) else: if parent: afteritem = parent else: afteritem = event.GetItem() if self.GetPyData(afteritem)[0]['type'] == 'group': parent = afteritem newItem = self.AppendItem(parent, text=text, \ ct_type=1, wnd=newctrl, image=image, \ data=data) self.Expand(afteritem) else: parent = self.GetItemParent(afteritem) newItem = self.InsertItem(parent, afteritem, text=text, \ ct_type=1, wnd=newctrl, image=image, \ data=data) # add layer at new position self.SetPyData(newItem, self.GetPyData(oldItem)) if newctrl: self.GetPyData(newItem)[0]['ctrl'] = newctrl.GetId() else: self.GetPyData(newItem)[0]['ctrl'] = None self.CheckItem(newItem, checked=checked) # newItem.SetHeight(TREE_ITEM_HEIGHT) return newItem def OnEndDrag(self, event): """ Insert copy of layer in new position and delete original at old position """ self.drag = True try: old = self.dragItem # make sure this member exists except: return Debug.msg (4, "LayerTree.OnEndDrag(): layer=%s" % \ (self.GetItemText(self.dragItem))) newItem = self.RecreateItem (event, self.dragItem) if self.GetPyData(newItem)[0]['type'] == 'group': (child, cookie) = self.GetFirstChild(self.dragItem) if child: while child: self.RecreateItem(event, child, parent=newItem) self.Delete(child) child = self.GetNextChild(old, cookie)[0] self.Expand(newItem) # delete layer at original position try: self.Delete(old) # entry in render.Map layers list automatically deleted by OnDeleteLayer handler except AttributeError: # FIXME being ugly (item.SetWindow(None)) pass # reorder layers in render.Map to match new order after drag and drop self.ReorderLayers() # select new item self.SelectItem(newItem) # completed drag and drop self.drag = False def GetOptData(self, dcmd, layer, params, propwin): """Process layer data""" # set layer text to map name if dcmd: mapname = utils.GetLayerNameFromCmd(dcmd) self.SetItemText(layer, mapname) # update layer data if params: self.SetPyData(layer, (self.GetPyData(layer)[0], params)) if dcmd: self.GetPyData(layer)[0]['cmd'] = dcmd self.GetPyData(layer)[0]['propwin'] = propwin # check layer as active # self.CheckItem(layer, checked=True) # change parameters for item in layers list in render.Map self.ChangeLayer(layer) def ReorderLayers(self): """Add commands from data associated with any valid layers (checked or not) to layer list in order to match layers in layer tree.""" # make a list of visible layers treelayers = [] vislayer = self.GetFirstVisibleItem() if not vislayer: return itemList = "" for item in range(0, self.GetCount()): itemList += self.GetItemText(vislayer) + ',' if self.GetPyData(vislayer)[0]['type'] != 'group': treelayers.append(self.GetPyData(vislayer)[0]['maplayer']) if not self.GetNextVisible(vislayer): break else: vislayer = self.GetNextVisible(vislayer) Debug.msg (4, "LayerTree.ReoderLayers(): items=%s" % \ (itemList)) # reorder map layers treelayers.reverse() self.Map.ReorderLayers(treelayers) def ChangeLayer(self, item): """Change layer""" type = self.GetPyData(item)[0]['type'] if type == 'command': win = self.FindWindowById(self.GetPyData(item)[0]['ctrl']) if win.GetValue() != None: cmdlist = win.GetValue().split(' ') opac = 1.0 chk = self.IsItemChecked(item) hidden = not self.IsVisible(item) elif type != 'group': if self.GetPyData(item)[0] is not None: cmdlist = self.GetPyData(item)[0]['cmd'] opac = self.GetPyData(item)[0]['maplayer'].GetOpacity(float=True) chk = self.IsItemChecked(item) hidden = not self.IsVisible(item) maplayer = self.Map.ChangeLayer(layer=self.GetPyData(item)[0]['maplayer'], type=type, command=cmdlist, name=self.GetItemText(item), l_active=chk, l_hidden=hidden, l_opacity=opac, l_render=False) self.GetPyData(item)[0]['maplayer'] = maplayer # if digitization tool enabled -> update list of available vector map layers if self.mapdisplay.toolbars['vdigit']: self.mapdisplay.toolbars['vdigit'].UpdateListOfLayers(updateTool=True) # redraw map if auto-rendering is enabled if self.mapdisplay.autoRender.GetValue(): self.mapdisplay.OnRender(None) # item.SetHeight(TREE_ITEM_HEIGHT) def OnCloseWindow(self, event): pass # self.Map.Clean() def FindItemByData(self, key, value): """Find item based on key and value (see PyData[0])""" item = self.GetFirstChild(self.root)[0] return self.__FindSubItemByData(item, key, value) def __FindSubItemByData(self, item, key, value): """Support method for FindItemByValue""" while item and item.IsOk(): itemValue = self.GetPyData(item)[0][key] if value == itemValue: return item if self.GetPyData(item)[0]['type'] == 'group': subItem = self.GetFirstChild(item)[0] found = self.__FindSubItemByData(subItem, key, value) if found: return found item = self.GetNextSibling(item) return None