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# Copyright (c) 2001 by Intevation GmbH |
# Copyright (c) 2001, 2003 by Intevation GmbH |
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# Authors: |
# Authors: |
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# Jonathan Coles <[email protected]> |
# Jonathan Coles <[email protected]> |
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# |
# |
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import copy |
import copy |
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from Thuban.Model.table import FIELDTYPE_INT, FIELDTYPE_DOUBLE, \ |
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FIELDTYPE_STRING |
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from wxPython.wx import * |
from wxPython.wx import * |
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from wxPython.grid import * |
from wxPython.grid import * |
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from Thuban.Model.color import Color |
from Thuban.Model.color import Color |
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from Thuban.Model.layer import SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT |
from Thuban.Model.layer import Layer, SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT |
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from Thuban.UI.classgen import ClassGenDialog, ClassGenerator |
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from dialogs import NonModalDialog |
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# widget id's |
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ID_PROPERTY_SELECT = 4010 |
ID_PROPERTY_SELECT = 4010 |
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ID_CLASS_TABLE = 40011 |
ID_CLASS_TABLE = 40011 |
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ID_CLASSIFY_OK = 4001 |
ID_CLASSIFY_OK = 4001 |
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ID_CLASSIFY_CANCEL = 4002 |
ID_CLASSIFY_CANCEL = 4002 |
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ID_CLASSIFY_ADD = 4003 |
ID_CLASSIFY_ADD = 4003 |
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ID_CLASSIFY_GENRANGE = 4004 |
ID_CLASSIFY_GENCLASS = 4004 |
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ID_CLASSIFY_REMOVE = 4005 |
ID_CLASSIFY_REMOVE = 4005 |
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ID_CLASSIFY_MOVEUP = 4006 |
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ID_CLASSIFY_MOVEDOWN = 4007 |
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ID_CLASSIFY_APPLY = 4008 |
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ID_CLASSIFY_EDITPROPS = 4009 |
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COL_VISUAL = 0 |
# table columns |
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COL_SYMBOL = 0 |
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COL_VALUE = 1 |
COL_VALUE = 1 |
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COL_LABEL = 2 |
COL_LABEL = 2 |
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# indices into the client data lists in Classifier.fields |
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FIELD_CLASS = 0 |
FIELD_CLASS = 0 |
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FIELD_TYPE = 1 |
FIELD_TYPE = 1 |
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FIELD_NAME = 2 |
FIELD_NAME = 2 |
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FIELD_TYPE_STRING = "string" |
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FIELD_TYPE_INT = "int" |
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FIELD_TYPE_DOUBLE = "double" |
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# |
# |
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# this is a silly work around to ensure that the table that is |
# this is a silly work around to ensure that the table that is |
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# passed into SetTable is the same that is returned by GetTable |
# passed into SetTable is the same that is returned by GetTable |
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import weakref |
import weakref |
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class ClassGrid(wxGrid): |
class ClassGrid(wxGrid): |
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def __init__(self, parent, layer, fieldData): |
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wxGrid.__init__(self, parent, ID_CLASS_TABLE, size = (340, 160)) |
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self.SetSelectionMode(wxGrid.wxGridSelectRows) |
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self.SetTable(ClassTable(fieldData, layer.ShapeType(), self), true) |
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EVT_GRID_CELL_LEFT_DCLICK(self, self.OnCellDClick) |
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def __init__(self, parent, classifier): |
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"""Constructor. |
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parent -- the parent window |
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clazz -- the working classification that this grid should |
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use for display. |
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""" |
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#wxGrid.__init__(self, parent, ID_CLASS_TABLE, size = (340, 160)) |
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wxGrid.__init__(self, parent, ID_CLASS_TABLE) |
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#self.SetTable(ClassTable(fieldData, layer.ShapeType(), self), True) |
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self.classifier = classifier |
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self.currentSelection = [] |
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EVT_GRID_CELL_LEFT_DCLICK(self, self._OnCellDClick) |
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EVT_GRID_RANGE_SELECT(self, self._OnSelectedRange) |
EVT_GRID_RANGE_SELECT(self, self._OnSelectedRange) |
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EVT_GRID_SELECT_CELL(self, self._OnSelectedCell) |
EVT_GRID_SELECT_CELL(self, self._OnSelectedCell) |
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EVT_GRID_COL_SIZE(self, self._OnCellResize) |
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EVT_GRID_ROW_SIZE(self, self._OnCellResize) |
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self.layer = layer |
#print "123123123: ", ('Show' in dir(self)) |
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self.currentSelection = [] |
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#def Show(self): |
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#print "SHOW!" |
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#def Refresh(self): |
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#self.Show() |
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#def Update(self): |
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#self.Show() |
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def CreateTable(self, clazz, shapeType, group = None): |
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assert isinstance(clazz, Classification) |
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table = self.GetTable() |
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if table is None: |
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w = self.GetDefaultColSize() * 3 + self.GetDefaultRowLabelSize() |
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h = self.GetDefaultRowSize() * 4 + self.GetDefaultColLabelSize() |
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self.SetDimensions(-1, -1, w, h) |
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self.SetSizeHints(w, h, -1, -1) |
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table = ClassTable(self) |
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self.SetTable(table, True) |
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self.SetSelectionMode(wxGrid.wxGridSelectRows) |
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self.ClearSelection() |
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#print "8------------------" |
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table.Reset(clazz, shapeType, group) |
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#print "9------------------" |
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# def Show(self, show = True): |
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# print "SHOW!" |
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# wxGrid.Show(self, show) |
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# sel = self.GetCurrentSelection() |
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# print "( 1" |
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# if len(sel) == 1: |
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# print "( 2" |
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# self.MakeCellVisible(sel[0], 0) |
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def GetCurrentSelection(self): |
def GetCurrentSelection(self): |
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"""Return the currently highlighted rows as an increasing list |
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of row numbers.""" |
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#print "@@ ", self.currentSelection |
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sel = copy.copy(self.currentSelection) |
sel = copy.copy(self.currentSelection) |
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sel.sort() |
sel.sort() |
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return sel |
return sel |
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def GetSelectedRows(self): |
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return self.GetCurrentSelection() |
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def SetCellRenderer(self, row, col): |
def SetCellRenderer(self, row, col): |
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raise ValueError(_("Must not allow setting of renderer in ClassGrid!")) |
raise ValueError(_("Must not allow setting of renderer in ClassGrid!")) |
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# |
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# [Set|Get]Table is taken from http://wiki.wxpython.org |
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# they are needed as a work around to ensure that the table |
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# that is passed to SetTable is the one that is returned |
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# by GetTable. |
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# |
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def SetTable(self, object, *attributes): |
def SetTable(self, object, *attributes): |
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self.tableRef = weakref.ref(object) |
self.tableRef = weakref.ref(object) |
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return wxGrid.SetTable(self, object, *attributes) |
return wxGrid.SetTable(self, object, *attributes) |
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def GetTable(self): |
def GetTable(self): |
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return self.tableRef() |
try: |
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return self.tableRef() |
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except: |
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return None |
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def DeleteSelectedRows(self): |
def DeleteSelectedRows(self): |
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"""Deletes all highlighted rows. |
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If only one row is highlighted then after it is deleted the |
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row that was below the deleted row is highlighted.""" |
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sel = self.GetCurrentSelection() |
sel = self.GetCurrentSelection() |
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if len(sel) == 0: return |
# nothing to do |
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if len(sel) == 0: return |
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# if only one thing is selected check if it is the default |
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# data row, because we can't remove that |
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if len(sel) == 1: |
if len(sel) == 1: |
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group = self.GetTable().GetValueAsCustom(sel[0], COL_VISUAL, None) |
#group = self.GetTable().GetValueAsCustom(sel[0], COL_SYMBOL, None) |
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group = self.GetTable().GetClassGroup(sel[0]) |
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if isinstance(group, ClassGroupDefault): |
if isinstance(group, ClassGroupDefault): |
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wxMessageDialog(self, |
wxMessageDialog(self, |
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"The Default group cannot be removed.", |
"The Default group cannot be removed.", |
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style = wxOK | wxICON_EXCLAMATION).ShowModal() |
style = wxOK | wxICON_EXCLAMATION).ShowModal() |
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return |
return |
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self.ClearSelection() |
self.ClearSelection() |
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# we need to remove things from the bottom up so we don't |
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# change the indexes of rows that will be deleted next |
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sel.reverse() |
sel.reverse() |
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# |
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# actually remove the rows |
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# |
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table = self.GetTable() |
table = self.GetTable() |
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for row in sel: |
for row in sel: |
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table.DeleteRows(row) |
table.DeleteRows(row) |
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# |
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# if there was only one row selected highlight the row |
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# that was directly below it, or move up one if the |
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# deleted row was the last row. |
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# |
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if len(sel) == 1: |
if len(sel) == 1: |
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r = sel[0] |
r = sel[0] |
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if r > self.GetNumberRows() - 1: |
if r > self.GetNumberRows() - 1: |
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r = self.GetNumberRows() - 1 |
r = self.GetNumberRows() - 1 |
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self.SelectRow(r) |
self.SelectRow(r) |
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def SelectGroup(self, group, makeVisible = True): |
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if group is None: return |
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assert isinstance(group, ClassGroup) |
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table = self.GetTable() |
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assert table is not None |
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#print "-- ", group |
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for i in range(table.GetNumberRows()): |
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g = table.GetClassGroup(i) |
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#print "1", g |
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if g is group: |
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#print "2" |
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self.SelectRow(i) |
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if makeVisible: |
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#print "3" |
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self.MakeCellVisible(i, 0) |
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break |
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# |
# |
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# XXX: This isn't working, and there is no way to deselect rows wxPython! |
# XXX: This isn't working, and there is no way to deselect rows wxPython! |
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# |
# |
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# (row, row), (row, row), |
# (row, row), (row, row), |
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# sel = False)) |
# sel = False)) |
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def OnCellDClick(self, event): |
def _OnCellDClick(self, event): |
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"""Handle a double on a cell.""" |
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r = event.GetRow() |
r = event.GetRow() |
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c = event.GetCol() |
c = event.GetCol() |
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if c == COL_VISUAL: |
if c == COL_SYMBOL: |
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# XXX: getting the properties is only possible with non-Maps!!! |
self.classifier.EditGroupProperties(r) |
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group = self.GetTable().GetValueAsCustom(r, c, None) |
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prop = group.GetProperties() |
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propDlg = SelectPropertiesDialog(NULL, prop, self.layer.ShapeType()) |
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if propDlg.ShowModal() == wxID_OK: |
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new_prop = propDlg.GetClassGroupProperties() |
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prop.SetStroke(new_prop.GetStroke()) |
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prop.SetStrokeWidth(new_prop.GetStrokeWidth()) |
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prop.SetFill(new_prop.GetFill()) |
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self.Refresh() |
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propDlg.Destroy() |
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# |
# |
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# _OnSelectedRange() and _OnSelectedCell() were borrowed |
# _OnSelectedRange() and _OnSelectedCell() were borrowed |
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# from http://wiki.wxpython.org |
# from http://wiki.wxpython.org to keep track of which |
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# cells are currently highlighted |
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# |
# |
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def _OnSelectedRange(self, event): |
def _OnSelectedRange(self, event): |
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"""Internal update to the selection tracking list""" |
"""Internal update to the selection tracking list""" |
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if event.Selecting(): |
if event.Selecting(): |
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for index in range( event.GetTopRow(), event.GetBottomRow()+1): |
for index in range( event.GetTopRow(), event.GetBottomRow()+1): |
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if index not in self.currentSelection: |
if index not in self.currentSelection: |
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#print " ", index |
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self.currentSelection.append( index ) |
self.currentSelection.append( index ) |
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else: |
else: |
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for index in range( event.GetTopRow(), event.GetBottomRow()+1): |
for index in range( event.GetTopRow(), event.GetBottomRow()+1): |
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while index in self.currentSelection: |
while index in self.currentSelection: |
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#print " ", index |
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self.currentSelection.remove( index ) |
self.currentSelection.remove( index ) |
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#self.ConfigureForSelection() |
#self.ConfigureForSelection() |
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#print self.GetCurrentSelection() |
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event.Skip() |
event.Skip() |
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def _OnSelectedCell( self, event ): |
def _OnSelectedCell( self, event ): |
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"""Internal update to the selection tracking list""" |
"""Internal update to the selection tracking list""" |
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#print "selecting cell: ", event.GetRow() |
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self.currentSelection = [ event.GetRow() ] |
self.currentSelection = [ event.GetRow() ] |
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#self.ConfigureForSelection() |
#self.ConfigureForSelection() |
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event.Skip() |
event.Skip() |
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def _OnCellResize(self, event): |
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self.FitInside() |
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class ClassTable(wxPyGridTableBase): |
class ClassTable(wxPyGridTableBase): |
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"""Represents the underlying data structure for the grid.""" |
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NUM_COLS = 3 |
NUM_COLS = 3 |
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__col_labels = [_("Symbol"), _("Value"), _("Label")] |
__col_labels = [_("Symbol"), _("Value"), _("Label")] |
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def __init__(self, fieldData, shapeType, view = None): |
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def __init__(self, view = None): |
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#def __init__(self, clazz, shapeType, view = None): |
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"""Constructor. |
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shapeType -- the type of shape that the layer uses |
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view -- a wxGrid object that uses this class for its table |
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""" |
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wxPyGridTableBase.__init__(self) |
wxPyGridTableBase.__init__(self) |
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self.SetView(view) |
self.SetView(view) |
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self.tdata = [] |
self.tdata = [] |
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self.Reset(fieldData, shapeType) |
#self.Reset(clazz, shapeType) |
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def Reset(self, clazz, shapeType, group = None): |
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"""Reset the table with the given data. |
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def Reset(self, fieldData, shapeType): |
This is necessary because wxWindows does not allow a grid's |
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table to change once it has been intially set and so we |
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need a way of modifying the data. |
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clazz -- the working classification that this table should |
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use for display. This may be different from the |
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classification in the layer. |
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shapeType -- the type of shape that the layer uses |
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""" |
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assert isinstance(clazz, Classification) |
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self.GetView().BeginBatch() |
self.GetView().BeginBatch() |
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self.fieldData = fieldData |
self.fieldType = clazz.GetFieldType() |
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self.shapeType = shapeType |
self.shapeType = shapeType |
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self.renderer = ClassRenderer(self.shapeType) |
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old_len = len(self.tdata) |
self.SetClassification(clazz, group) |
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self.__Modified(-1) |
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#print "11------------------" |
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self.tdata = [] |
self.GetView().EndBatch() |
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self.GetView().FitInside() |
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clazz = fieldData[FIELD_CLASS] |
def SetClassification(self, clazz, group = None): |
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if clazz is None: |
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clazz = Classification() |
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# p = clazz.GetDefaultGroup() |
self.GetView().BeginBatch() |
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# np = ClassDataDefault(classData = p) |
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# self.tdata.append([np, 'DEFAULT', np.GetLabel()]) |
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# for p in clazz.points.values(): |
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# np = ClassDataPoint(p.GetValue(), classData = p) |
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# self.tdata.append([np, np.GetValue(), np.GetLabel()]) |
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# for p in clazz.ranges: |
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# np = ClassDataRange(p.GetMin(), p.GetMax(), classData = p) |
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# self.tdata.append([np, |
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# '%s - %s' % (np.GetMin(), np.GetMax()), |
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# np.GetLabel()]) |
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i = 0 |
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for p in clazz: |
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np = copy.copy(p) |
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self.__SetRow(i, np) |
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i += 1 |
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old_len = self.GetNumberRows() |
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self.tdata = [] |
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#print "9------------------" |
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# |
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# copy the data out of the classification and into our |
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# array |
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# |
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row = -1 |
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for g in clazz: |
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ng = copy.deepcopy(g) |
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self.__SetRow(None, ng) |
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if g is group: |
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row = self.GetNumberRows() - 1 |
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#print "selecting row..." |
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#print "10------------------" |
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self.modified = 0 |
self.__NotifyRowChanges(old_len, self.GetNumberRows()) |
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if row > -1: |
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self.GetView().ClearSelection() |
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self.GetView().SelectRow(row) |
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self.GetView().MakeCellVisible(row, 0) |
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self.__NotifyRowChanges(old_len, len(self.tdata)) |
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self.GetView().EndBatch() |
self.GetView().EndBatch() |
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self.GetView().FitInside() |
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def __NotifyRowChanges(self, curRows, newRows): |
def __NotifyRowChanges(self, curRows, newRows): |
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# |
# |
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wxGRIDTABLE_NOTIFY_ROWS_APPENDED, |
wxGRIDTABLE_NOTIFY_ROWS_APPENDED, |
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newRows - curRows) # how many |
newRows - curRows) # how many |
378 |
self.GetView().ProcessTableMessage(msg) |
self.GetView().ProcessTableMessage(msg) |
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self.GetView().FitInside() |
380 |
elif newRows < curRows: |
elif newRows < curRows: |
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msg = wxGridTableMessage(self, |
msg = wxGridTableMessage(self, |
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wxGRIDTABLE_NOTIFY_ROWS_DELETED, |
wxGRIDTABLE_NOTIFY_ROWS_DELETED, |
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curRows - newRows, # position |
curRows, # position |
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curRows - newRows) # how many |
curRows - newRows) # how many |
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self.GetView().ProcessTableMessage(msg) |
self.GetView().ProcessTableMessage(msg) |
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self.GetView().FitInside() |
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def __SetRow(self, row, group): |
def __SetRow(self, row, group): |
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"""Set a row's data to that of the group. |
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|
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if isinstance(group, ClassGroupDefault): |
The table is considered modified after this operation. |
392 |
data = [group, _('DEFAULT'), group.GetLabel()] |
|
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elif isinstance(group, ClassGroupSingleton): |
row -- if row is < 0 'group' is inserted at the top of the table |
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data = [group, group.GetValue(), group.GetLabel()] |
if row is >= GetNumberRows() or None 'group' is append to |
395 |
elif isinstance(group, ClassGroupRange): |
the end of the table. |
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data = [group, |
otherwise 'group' replaces row 'row' |
397 |
_('%s - %s') % (group.GetMin(), group.GetMax()), |
""" |
|
group.GetLabel()] |
|
398 |
|
|
399 |
if row >= len(self.tdata): |
# either append or replace |
400 |
self.tdata.append(data) |
if row is None or row >= self.GetNumberRows(): |
401 |
|
self.tdata.append(group) |
402 |
|
elif row < 0: |
403 |
|
self.tdata.insert(0, group) |
404 |
else: |
else: |
405 |
self.tdata[row] = data |
self.tdata[row] = group |
406 |
|
|
407 |
|
self.__Modified() |
408 |
|
|
409 |
def GetColLabelValue(self, col): |
def GetColLabelValue(self, col): |
410 |
|
"""Return the label for the given column.""" |
411 |
return self.__col_labels[col] |
return self.__col_labels[col] |
412 |
|
|
413 |
def GetRowLabelValue(self, row): |
def GetRowLabelValue(self, row): |
414 |
data = self.tdata[row][COL_VISUAL] |
"""Return the label for the given row.""" |
415 |
if isinstance(data, ClassGroupDefault): return _("Default") |
|
416 |
if isinstance(data, ClassGroupSingleton): return _("Singleton") |
group = self.tdata[row] |
417 |
if isinstance(data, ClassGroupRange): return _("Range") |
if isinstance(group, ClassGroupDefault): return _("Default") |
418 |
if isinstance(data, ClassGroupMap): return _("Map") |
if isinstance(group, ClassGroupSingleton): return _("Singleton") |
419 |
|
if isinstance(group, ClassGroupRange): return _("Range") |
420 |
|
if isinstance(group, ClassGroupMap): return _("Map") |
421 |
|
|
422 |
|
assert False # shouldn't get here |
423 |
|
return _("") |
424 |
|
|
425 |
def GetNumberRows(self): |
def GetNumberRows(self): |
426 |
|
"""Return the number of rows.""" |
427 |
return len(self.tdata) |
return len(self.tdata) |
428 |
|
|
429 |
def GetNumberCols(self): |
def GetNumberCols(self): |
430 |
|
"""Return the number of columns.""" |
431 |
return self.NUM_COLS |
return self.NUM_COLS |
432 |
|
|
433 |
def IsEmptyCell(self, row, col): |
def IsEmptyCell(self, row, col): |
434 |
return 0 |
"""Determine if a cell is empty. This is always false.""" |
435 |
|
return False |
436 |
|
|
437 |
def GetValue(self, row, col): |
def GetValue(self, row, col): |
438 |
return self.GetValueAsCustom(row, col, "") |
"""Return the object that is used to represent the given |
439 |
|
cell coordinates. This may not be a string.""" |
440 |
|
return self.GetValueAsCustom(row, col, None) |
441 |
|
|
442 |
def SetValue(self, row, col, value): |
def SetValue(self, row, col, value): |
443 |
self.SetValueAsCustom(row, col, "", value) |
"""Assign 'value' to the cell specified by 'row' and 'col'. |
444 |
|
|
445 |
|
The table is considered modified after this operation. |
446 |
|
""" |
447 |
|
|
448 |
|
self.SetValueAsCustom(row, col, None, value) |
449 |
self.__Modified() |
self.__Modified() |
450 |
|
|
451 |
def GetValueAsCustom(self, row, col, typeName): |
def GetValueAsCustom(self, row, col, typeName): |
452 |
return self.tdata[row][col] |
"""Return the object that is used to represent the given |
453 |
|
cell coordinates. This may not be a string. |
454 |
|
|
455 |
|
typeName -- unused, but needed to overload wxPyGridTableBase |
456 |
|
""" |
457 |
|
|
458 |
|
group = self.tdata[row] |
459 |
|
|
460 |
|
if col == COL_SYMBOL: |
461 |
|
return group.GetProperties() |
462 |
|
|
463 |
|
if col == COL_LABEL: |
464 |
|
return group.GetLabel() |
465 |
|
|
466 |
|
# col must be COL_VALUE |
467 |
|
assert col == COL_VALUE |
468 |
|
|
469 |
|
if isinstance(group, ClassGroupDefault): |
470 |
|
return _("DEFAULT") |
471 |
|
elif isinstance(group, ClassGroupSingleton): |
472 |
|
return group.GetValue() |
473 |
|
elif isinstance(group, ClassGroupRange): |
474 |
|
return _("%s - %s") % (group.GetMin(), group.GetMax()) |
475 |
|
|
476 |
|
assert False # shouldn't get here |
477 |
|
return None |
478 |
|
|
479 |
def __ParseInput(self, value): |
def __ParseInput(self, value): |
480 |
"""Try to determine what kind of input value is |
"""Try to determine what kind of input value is |
481 |
(a single number or a range) |
(string, number, or range) |
482 |
|
|
483 |
|
Returns a tuple of length one if there is a single |
484 |
|
value, or of length two if it is a range. |
485 |
""" |
""" |
486 |
|
|
487 |
type = self.fieldData[FIELD_TYPE] |
type = self.fieldType |
488 |
|
|
489 |
if type == FIELD_TYPE_STRING: |
if type == FIELDTYPE_STRING: |
490 |
return (value,) |
return (value,) |
491 |
elif type == FIELD_TYPE_INT or type == FIELD_TYPE_DOUBLE: |
elif type == FIELDTYPE_INT or type == FIELDTYPE_DOUBLE: |
492 |
|
|
493 |
|
if type == FIELDTYPE_INT: |
494 |
|
conv = lambda p: int(float(p)) |
495 |
|
else: |
496 |
|
conv = lambda p: p |
497 |
|
|
498 |
# |
# |
499 |
# first try to take the input as a single number |
# first try to take the input as a single number |
505 |
# function. |
# function. |
506 |
# |
# |
507 |
try: |
try: |
508 |
return (Str2Num(value),) |
return (conv(Str2Num(value)),) |
509 |
except: |
except ValueError: |
510 |
i = value.find('-') |
i = value.find('-') |
511 |
if i == 0: |
if i == 0: |
512 |
i = value.find('-', 1) |
i = value.find('-', 1) |
513 |
|
|
514 |
return (Str2Num(value[:i]), Str2Num(value[i+1:])) |
return (conv(Str2Num(value[:i])), conv(Str2Num(value[i+1:]))) |
515 |
|
|
516 |
|
assert False # shouldn't get here |
517 |
|
return (0,) |
518 |
|
|
519 |
|
|
520 |
def SetValueAsCustom(self, row, col, typeName, value): |
def SetValueAsCustom(self, row, col, typeName, value): |
521 |
group = self.tdata[row][COL_VISUAL] |
"""Set the cell specified by 'row' and 'col' to 'value'. |
522 |
|
|
523 |
|
If column represents the value column, the input is parsed |
524 |
|
to determine if a string, number, or range was entered. |
525 |
|
A new ClassGroup may be created if the type of data changes. |
526 |
|
|
527 |
|
The table is considered modified after this operation. |
528 |
|
|
529 |
|
typeName -- unused, but needed to overload wxPyGridTableBase |
530 |
|
""" |
531 |
|
|
532 |
if col == COL_VISUAL: |
assert col >= 0 and col < self.GetNumberCols() |
533 |
self.tdata[row][COL_VISUAL] = value |
assert row >= 0 and row < self.GetNumberRows() |
534 |
|
|
535 |
|
group = self.tdata[row] |
536 |
|
|
537 |
|
mod = True # assume the data will change |
538 |
|
|
539 |
|
if col == COL_SYMBOL: |
540 |
|
group.SetProperties(value) |
541 |
|
elif col == COL_LABEL: |
542 |
|
group.SetLabel(value) |
543 |
elif col == COL_VALUE: |
elif col == COL_VALUE: |
544 |
if isinstance(group, ClassGroupDefault): |
if isinstance(group, ClassGroupDefault): |
545 |
# not allowed to modify the default value |
# not allowed to modify the default value |
550 |
else: # SINGLETON, RANGE |
else: # SINGLETON, RANGE |
551 |
try: |
try: |
552 |
dataInfo = self.__ParseInput(value) |
dataInfo = self.__ParseInput(value) |
553 |
except: |
except ValueError: |
554 |
# bad input, ignore the request |
# bad input, ignore the request |
555 |
pass |
mod = False |
556 |
else: |
else: |
557 |
|
|
558 |
|
changed = False |
559 |
ngroup = group |
ngroup = group |
560 |
props = group.GetProperties() |
props = group.GetProperties() |
561 |
|
|
562 |
|
# |
563 |
|
# try to update the values, which may include |
564 |
|
# changing the underlying group type if the |
565 |
|
# group was a singleton and a range was entered |
566 |
|
# |
567 |
if len(dataInfo) == 1: |
if len(dataInfo) == 1: |
568 |
if not isinstance(group, ClassGroupSingleton): |
if not isinstance(group, ClassGroupSingleton): |
569 |
ngroup = ClassGroupSingleton(prop = props) |
ngroup = ClassGroupSingleton(prop = props) |
570 |
|
changed = True |
571 |
ngroup.SetValue(dataInfo[0]) |
ngroup.SetValue(dataInfo[0]) |
572 |
elif len(dataInfo) == 2: |
elif len(dataInfo) == 2: |
573 |
if not isinstance(group, ClassGroupRange): |
if not isinstance(group, ClassGroupRange): |
574 |
ngroup = ClassGroupRange(prop = props) |
ngroup = ClassGroupRange(prop = props) |
575 |
|
changed = True |
576 |
ngroup.SetRange(dataInfo[0], dataInfo[1]) |
ngroup.SetRange(dataInfo[0], dataInfo[1]) |
577 |
else: |
else: |
578 |
assert(False) |
assert False |
579 |
|
pass |
|
ngroup.SetLabel(group.GetLabel()) |
|
|
self.__SetRow(row, ngroup) |
|
580 |
|
|
581 |
self.GetView().Refresh() |
if changed: |
582 |
|
ngroup.SetLabel(group.GetLabel()) |
583 |
elif col == COL_LABEL: |
self.SetClassGroup(row, ngroup) |
|
group.SetLabel(value) |
|
|
self.tdata[row][COL_LABEL] = group.GetLabel() |
|
584 |
else: |
else: |
585 |
raise ValueError(_("Invalid column request")) |
assert False # shouldn't be here |
586 |
|
pass |
587 |
|
|
588 |
self.__Modified() |
if mod: |
589 |
|
self.__Modified() |
590 |
|
self.GetView().Refresh() |
591 |
|
|
592 |
def GetAttr(self, row, col, someExtraParameter): |
def GetAttr(self, row, col, someExtraParameter): |
593 |
|
"""Returns the cell attributes""" |
594 |
|
|
595 |
attr = wxGridCellAttr() |
attr = wxGridCellAttr() |
596 |
#attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter) |
#attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter) |
597 |
|
|
598 |
if col == COL_VISUAL: |
if col == COL_SYMBOL: |
599 |
|
# we need to create a new renderer each time, because |
600 |
|
# SetRenderer takes control of the parameter |
601 |
attr.SetRenderer(ClassRenderer(self.shapeType)) |
attr.SetRenderer(ClassRenderer(self.shapeType)) |
602 |
attr.SetReadOnly() |
attr.SetReadOnly() |
603 |
|
|
604 |
return attr |
return attr |
605 |
|
|
606 |
def GetClassGroup(self, row): |
def GetClassGroup(self, row): |
607 |
return self.tdata[row][COL_VISUAL] |
"""Return the ClassGroup object representing row 'row'.""" |
608 |
|
|
609 |
|
return self.tdata[row] # self.GetValueAsCustom(row, COL_SYMBOL, None) |
610 |
|
|
611 |
def __Modified(self): |
def SetClassGroup(self, row, group): |
612 |
self.modified = 1 |
self.__SetRow(row, group) |
613 |
|
self.GetView().Refresh() |
614 |
|
|
615 |
|
def __Modified(self, mod = True): |
616 |
|
"""Adjust the modified flag. |
617 |
|
|
618 |
|
mod -- if -1 set the modified flag to False, otherwise perform |
619 |
|
an 'or' operation with the current value of the flag and |
620 |
|
'mod' |
621 |
|
""" |
622 |
|
|
623 |
|
if mod == -1: |
624 |
|
self.modified = False |
625 |
|
else: |
626 |
|
self.modified = mod or self.modified |
627 |
|
|
628 |
def IsModified(self): |
def IsModified(self): |
629 |
|
"""True if this table is considered modified.""" |
630 |
return self.modified |
return self.modified |
631 |
|
|
632 |
def DeleteRows(self, pos, numRows = 1): |
def DeleteRows(self, pos, numRows = 1): |
633 |
assert(pos >= 0) |
"""Deletes 'numRows' beginning at row 'pos'. |
634 |
|
|
635 |
|
The row representing the default group is not removed. |
636 |
|
|
637 |
|
The table is considered modified if any rows are removed. |
638 |
|
""" |
639 |
|
|
640 |
|
assert pos >= 0 |
641 |
old_len = len(self.tdata) |
old_len = len(self.tdata) |
642 |
for row in range(pos, pos - numRows, -1): |
for row in range(pos, pos - numRows, -1): |
643 |
group = self.GetValueAsCustom(row, COL_VISUAL, None) |
group = self.GetClassGroup(row) |
644 |
if not isinstance(group, ClassGroupDefault): |
if not isinstance(group, ClassGroupDefault): |
645 |
self.tdata.pop(row) |
self.tdata.pop(row) |
646 |
self.__Modified() |
self.__Modified() |
649 |
self.__NotifyRowChanges(old_len, len(self.tdata)) |
self.__NotifyRowChanges(old_len, len(self.tdata)) |
650 |
|
|
651 |
def AppendRows(self, numRows = 1): |
def AppendRows(self, numRows = 1): |
652 |
|
"""Append 'numRows' empty rows to the end of the table. |
653 |
|
|
654 |
|
The table is considered modified if any rows are appended. |
655 |
|
""" |
656 |
|
|
657 |
old_len = len(self.tdata) |
old_len = len(self.tdata) |
658 |
for i in range(numRows): |
for i in range(numRows): |
659 |
np = ClassGroupSingleton() |
np = ClassGroupSingleton() |
660 |
self.tdata.append([np, np.GetValue(), np.GetLabel()]) |
self.__SetRow(None, np) |
|
self.__Modified() |
|
661 |
|
|
662 |
if self.IsModified(): |
if self.IsModified(): |
663 |
self.__NotifyRowChanges(old_len, len(self.tdata)) |
self.__NotifyRowChanges(old_len, len(self.tdata)) |
664 |
|
|
665 |
|
|
666 |
class Classifier(wxDialog): |
class Classifier(NonModalDialog): |
|
|
|
|
def __init__(self, parent, layer): |
|
|
wxDialog.__init__(self, parent, -1, _("Classify"), |
|
|
style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER) |
|
667 |
|
|
668 |
|
def __init__(self, parent, name, layer, group = None): |
669 |
|
NonModalDialog.__init__(self, parent, name, |
670 |
|
_("Classifier: %s") % layer.Title()) |
671 |
|
|
672 |
|
panel = wxPanel(self, -1, size=(100, 100)) |
673 |
|
|
674 |
self.layer = layer |
self.layer = layer |
675 |
|
|
676 |
|
self.originalClass = self.layer.GetClassification() |
677 |
|
field = self.originalClass.GetField() |
678 |
|
fieldType = self.originalClass.GetFieldType() |
679 |
|
|
680 |
topBox = wxBoxSizer(wxVERTICAL) |
topBox = wxBoxSizer(wxVERTICAL) |
681 |
|
panelBox = wxBoxSizer(wxVERTICAL) |
682 |
|
|
683 |
topBox.Add(wxStaticText(self, -1, _("Layer: %s") % layer.Title()), |
#panelBox.Add(wxStaticText(panel, -1, _("Layer: %s") % layer.Title()), |
684 |
0, wxALIGN_LEFT | wxALL, 4) |
#0, wxALIGN_LEFT | wxALL, 4) |
685 |
topBox.Add(wxStaticText(self, -1, _("Type: %s") % layer.ShapeType()), |
panelBox.Add(wxStaticText(panel, -1, |
686 |
|
_("Layer Type: %s") % layer.ShapeType()), |
687 |
0, wxALIGN_LEFT | wxALL, 4) |
0, wxALIGN_LEFT | wxALL, 4) |
688 |
|
|
|
propertyBox = wxBoxSizer(wxHORIZONTAL) |
|
|
propertyBox.Add(wxStaticText(self, -1, _("Field: ")), |
|
|
0, wxALIGN_CENTER | wxALL, 4) |
|
689 |
|
|
690 |
self.fields = wxComboBox(self, ID_PROPERTY_SELECT, "", |
# |
691 |
|
# make field combo box |
692 |
|
# |
693 |
|
self.fields = wxComboBox(panel, ID_PROPERTY_SELECT, "", |
694 |
style = wxCB_READONLY) |
style = wxCB_READONLY) |
695 |
|
|
696 |
self.num_cols = layer.table.field_count() |
self.num_cols = layer.table.field_count() |
697 |
# just assume the first field in case one hasn't been |
# just assume the first field in case one hasn't been |
698 |
# specified in the file. |
# specified in the file. |
699 |
self.__cur_field = 0 |
self.__cur_field = 0 |
700 |
clazz = layer.GetClassification() |
|
701 |
field = clazz.GetField() |
self.fields.Append("<None>") |
702 |
|
self.fields.SetClientData(0, None) |
703 |
|
|
704 |
for i in range(self.num_cols): |
for i in range(self.num_cols): |
705 |
type, name, len, decc = layer.table.field_info(i) |
type, name, len, decc = layer.table.field_info(i) |
706 |
self.fields.Append(name) |
self.fields.Append(name) |
707 |
|
|
708 |
if name == field: |
if name == field: |
709 |
self.__cur_field = i |
self.__cur_field = i + 1 |
710 |
self.fields.SetClientData(i, [clazz, type, name, len, decc]) |
self.fields.SetClientData(i + 1, self.originalClass) |
711 |
else: |
else: |
712 |
self.fields.SetClientData(i, [None, type, name, len, decc]) |
self.fields.SetClientData(i + 1, None) |
713 |
|
|
|
self.fields.SetSelection(self.__cur_field) |
|
714 |
|
|
715 |
|
########### |
716 |
|
|
717 |
|
self.fieldTypeText = wxStaticText(panel, -1, "") |
718 |
|
panelBox.Add(self.fieldTypeText, 0, |
719 |
|
wxGROW | wxALIGN_LEFT | wxALL | wxADJUST_MINSIZE, 4) |
720 |
|
|
721 |
|
propertyBox = wxBoxSizer(wxHORIZONTAL) |
722 |
|
propertyBox.Add(wxStaticText(panel, -1, _("Field: ")), |
723 |
|
0, wxALIGN_LEFT | wxALL, 4) |
724 |
propertyBox.Add(self.fields, 1, wxGROW|wxALL, 4) |
propertyBox.Add(self.fields, 1, wxGROW|wxALL, 4) |
725 |
EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self.OnFieldSelect) |
EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self._OnFieldSelect) |
726 |
|
|
727 |
|
panelBox.Add(propertyBox, 0, wxGROW, 4) |
728 |
|
|
|
topBox.Add(propertyBox, 0, wxGROW, 4) |
|
729 |
|
|
730 |
# |
# |
731 |
# Classification data table |
# Control Box |
732 |
# |
# |
|
|
|
733 |
controlBox = wxBoxSizer(wxHORIZONTAL) |
controlBox = wxBoxSizer(wxHORIZONTAL) |
|
self.classGrid = ClassGrid(self, |
|
|
layer, |
|
|
self.fields.GetClientData(self.__cur_field)) |
|
734 |
|
|
735 |
controlBox.Add(self.classGrid, 1, wxGROW, 0) |
|
736 |
|
########### |
737 |
|
# |
738 |
|
# Control buttons: |
739 |
|
# |
740 |
|
self.controlButtons = [] |
741 |
|
|
742 |
controlButtonBox = wxBoxSizer(wxVERTICAL) |
controlButtonBox = wxBoxSizer(wxVERTICAL) |
|
controlButtonBox.Add(wxButton(self, ID_CLASSIFY_ADD, |
|
|
_("Add")), 0, wxGROW | wxALL, 4) |
|
|
controlButtonBox.Add(wxButton(self, ID_CLASSIFY_GENRANGE, |
|
|
_("Generate Ranges")), 0, wxGROW | wxALL, 4) |
|
743 |
|
|
744 |
controlButtonBox.Add(wxButton(self, ID_CLASSIFY_REMOVE, |
button = wxButton(panel, ID_CLASSIFY_ADD, _("Add")) |
745 |
_("Remove")), 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4) |
controlButtonBox.Add(button, 0, wxGROW | wxALL, 4) |
746 |
|
self.controlButtons.append(button) |
747 |
|
|
748 |
controlBox.Add(controlButtonBox, 0, wxGROW, 10) |
button = wxButton(panel, ID_CLASSIFY_EDITPROPS, _("Edit Properties")) |
749 |
topBox.Add(controlBox, 1, wxGROW, 10) |
controlButtonBox.Add(button, 0, wxGROW | wxALL, 4) |
750 |
|
self.controlButtons.append(button) |
751 |
|
|
752 |
|
button = wxButton(panel, ID_CLASSIFY_GENCLASS, _("Generate Class")) |
753 |
|
controlButtonBox.Add(button, 0, wxGROW | wxALL, 4) |
754 |
|
self.controlButtons.append(button) |
755 |
|
|
756 |
EVT_BUTTON(self, ID_CLASSIFY_ADD, self.OnAdd) |
button = wxButton(panel, ID_CLASSIFY_MOVEUP, _("Move Up")) |
757 |
EVT_BUTTON(self, ID_CLASSIFY_REMOVE, self.OnRemove) |
controlButtonBox.Add(button, 0, wxGROW | wxALL, 4) |
758 |
EVT_BUTTON(self, ID_CLASSIFY_GENRANGE, self.OnGenRange) |
self.controlButtons.append(button) |
759 |
|
|
760 |
|
button = wxButton(panel, ID_CLASSIFY_MOVEDOWN, _("Move Down")) |
761 |
|
controlButtonBox.Add(button, 0, wxGROW | wxALL, 4) |
762 |
|
self.controlButtons.append(button) |
763 |
|
|
764 |
|
controlButtonBox.Add(60, 20, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4) |
765 |
|
|
766 |
|
button = wxButton(panel, ID_CLASSIFY_REMOVE, _("Remove")) |
767 |
|
controlButtonBox.Add(button, 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4) |
768 |
|
self.controlButtons.append(button) |
769 |
|
|
770 |
|
|
771 |
|
########### |
772 |
# |
# |
773 |
# Control buttons: |
# Classification data table |
774 |
# |
# |
775 |
|
|
776 |
|
self.classGrid = ClassGrid(panel, self) |
777 |
|
#self.__SetGridTable(self.__cur_field, group) |
778 |
|
#self.fields.SetSelection(self.__cur_field) |
779 |
|
|
780 |
|
# calling __SelectField after creating the classGrid fills in the |
781 |
|
# grid with the correct information |
782 |
|
#print "2------------------" |
783 |
|
self.fields.SetSelection(self.__cur_field) |
784 |
|
self.__SelectField(self.__cur_field, group = group) |
785 |
|
|
786 |
|
#self.classGrid.SelectGroup(group) |
787 |
|
|
788 |
|
controlBox.Add(self.classGrid, 1, wxGROW, 0) |
789 |
|
|
790 |
|
|
791 |
|
|
792 |
|
controlBox.Add(controlButtonBox, 0, wxGROW, 10) |
793 |
|
panelBox.Add(controlBox, 1, wxGROW, 10) |
794 |
|
|
795 |
|
EVT_BUTTON(self, ID_CLASSIFY_ADD, self._OnAdd) |
796 |
|
EVT_BUTTON(self, ID_CLASSIFY_EDITPROPS, self._OnEditGroupProperties) |
797 |
|
EVT_BUTTON(self, ID_CLASSIFY_REMOVE, self._OnRemove) |
798 |
|
EVT_BUTTON(self, ID_CLASSIFY_GENCLASS, self._OnGenClass) |
799 |
|
EVT_BUTTON(self, ID_CLASSIFY_MOVEUP, self._OnMoveUp) |
800 |
|
EVT_BUTTON(self, ID_CLASSIFY_MOVEDOWN, self._OnMoveDown) |
801 |
|
|
802 |
|
########### |
803 |
|
|
804 |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
805 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")), |
buttonBox.Add(wxButton(panel, ID_CLASSIFY_OK, _("OK")), |
806 |
0, wxALL, 4) |
0, wxALL, 4) |
807 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")), |
buttonBox.Add(60, 20, 0, wxALL, 4) |
808 |
|
buttonBox.Add(wxButton(panel, ID_CLASSIFY_APPLY, _("Apply")), |
809 |
0, wxALL, 4) |
0, wxALL, 4) |
810 |
topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10) |
buttonBox.Add(60, 20, 0, wxALL, 4) |
811 |
|
buttonBox.Add(wxButton(panel, ID_CLASSIFY_CANCEL, _("Cancel")), |
812 |
|
0, wxALL, 4) |
813 |
|
panelBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 0) |
814 |
|
|
815 |
|
EVT_BUTTON(self, ID_CLASSIFY_OK, self._OnOK) |
816 |
|
EVT_BUTTON(self, ID_CLASSIFY_APPLY, self._OnApply) |
817 |
|
EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self._OnCancel) |
818 |
|
|
819 |
EVT_BUTTON(self, ID_CLASSIFY_OK, self.OnOK) |
########### |
|
EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self.OnCancel) |
|
820 |
|
|
821 |
|
|
822 |
|
panel.SetAutoLayout(True) |
823 |
|
panel.SetSizer(panelBox) |
824 |
|
panelBox.SetSizeHints(panel) |
825 |
|
|
826 |
self.SetAutoLayout(true) |
topBox.Add(panel, 1, wxGROW, 0) |
827 |
|
panelBox.SetSizeHints(self) |
828 |
|
self.SetAutoLayout(True) |
829 |
self.SetSizer(topBox) |
self.SetSizer(topBox) |
|
topBox.Fit(self) |
|
|
topBox.SetSizeHints(self) |
|
830 |
|
|
831 |
def __BuildClassification(self, prop): |
#print "1------------------" |
832 |
|
#self.Fit() |
833 |
|
###################### |
834 |
|
|
835 |
|
self.haveApplied = False |
836 |
|
|
837 |
|
def EditGroupProperties(self, row): |
838 |
|
table = self.classGrid.GetTable() |
839 |
|
prop = table.GetValueAsCustom(row, COL_SYMBOL, None) |
840 |
|
|
841 |
|
# get a new ClassGroupProperties object and copy the |
842 |
|
# values over to our current object |
843 |
|
propDlg = SelectPropertiesDialog(NULL, prop, self.layer.ShapeType()) |
844 |
|
if propDlg.ShowModal() == wxID_OK: |
845 |
|
new_prop = propDlg.GetClassGroupProperties() |
846 |
|
table.SetValueAsCustom(row, COL_SYMBOL, None, new_prop) |
847 |
|
propDlg.Destroy() |
848 |
|
|
849 |
|
|
850 |
clazz = Classification() |
def __BuildClassification(self, fieldIndex): |
|
clazz.SetField(self.fields.GetString(prop)) |
|
851 |
|
|
852 |
numRows = self.classGrid.GetNumberRows() |
numRows = self.classGrid.GetNumberRows() |
853 |
|
assert numRows > 0 # there should always be a default row |
854 |
|
|
855 |
if numRows > 0: |
clazz = Classification() |
856 |
table = self.classGrid.GetTable() |
if fieldIndex == 0: |
857 |
clazz.SetDefaultGroup(table.GetClassGroup(0)) |
fieldName = None |
858 |
|
fieldType = None |
859 |
|
else: |
860 |
|
fieldName = self.fields.GetString(fieldIndex) |
861 |
|
fieldType = self.layer.GetFieldType(fieldName) |
862 |
|
|
863 |
|
clazz.SetField(fieldName) |
864 |
|
clazz.SetFieldType(fieldType) |
865 |
|
|
866 |
|
|
867 |
|
table = self.classGrid.GetTable() |
868 |
|
clazz.SetDefaultGroup(table.GetClassGroup(0)) |
869 |
|
|
870 |
for i in range(1, numRows): |
for i in range(1, numRows): |
871 |
clazz.AddGroup(table.GetClassGroup(i)) |
clazz.AddGroup(table.GetClassGroup(i)) |
872 |
|
|
873 |
return clazz |
return clazz |
874 |
|
|
875 |
def OnFieldSelect(self, event): |
def __SetGridTable(self, fieldIndex, group = None): |
876 |
data = self.fields.GetClientData(self.__cur_field) |
|
877 |
data[FIELD_CLASS] = self.__BuildClassification(self.__cur_field) |
clazz = self.fields.GetClientData(fieldIndex) |
878 |
|
|
879 |
|
if clazz is None: |
880 |
|
clazz = Classification() |
881 |
|
clazz.SetDefaultGroup( |
882 |
|
ClassGroupDefault( |
883 |
|
self.layer.GetClassification(). |
884 |
|
GetDefaultGroup().GetProperties())) |
885 |
|
|
886 |
|
fieldName = self.fields.GetString(fieldIndex) |
887 |
|
fieldType = self.layer.GetFieldType(fieldName) |
888 |
|
clazz.SetFieldType(fieldType) |
889 |
|
|
890 |
|
#print "6------------------" |
891 |
|
self.classGrid.CreateTable(clazz, self.layer.ShapeType(), group) |
892 |
|
#print "7------------------" |
893 |
|
|
894 |
|
|
895 |
|
|
896 |
self.fields.SetClientData(self.__cur_field, data) |
type2string = {None: _("None"), |
897 |
|
FIELDTYPE_STRING: _("Text"), |
898 |
|
FIELDTYPE_INT: _("Integer"), |
899 |
|
FIELDTYPE_DOUBLE: _("Decimal")} |
900 |
|
|
901 |
self.__cur_field = self.fields.GetSelection() |
def __SetFieldTypeText(self, fieldIndex): |
902 |
fieldData = self.fields.GetClientData(self.__cur_field) |
fieldName = self.fields.GetString(fieldIndex) |
903 |
self.classGrid.GetTable().Reset(fieldData, self.layer.ShapeType()) |
fieldType = self.layer.GetFieldType(fieldName) |
904 |
|
|
905 |
def OnOK(self, event): |
assert Classifier.type2string.has_key(fieldType) |
906 |
|
|
907 |
|
text = Classifier.type2string[fieldType] |
908 |
|
|
909 |
|
self.fieldTypeText.SetLabel(_("Field Type: %s") % text) |
910 |
|
|
911 |
|
def __SelectField(self, newIndex, oldIndex = -1, group = None): |
912 |
|
"""This method assumes that the current selection for the |
913 |
|
combo has already been set by a call to SetSelection(). |
914 |
|
""" |
915 |
|
|
916 |
|
#print "3------------------" |
917 |
|
|
918 |
|
assert oldIndex >= -1 |
919 |
|
|
920 |
|
if oldIndex != -1: |
921 |
|
clazz = self.__BuildClassification(oldIndex) |
922 |
|
self.fields.SetClientData(oldIndex, clazz) |
923 |
|
|
924 |
|
#print "4------------------" |
925 |
|
self.__SetGridTable(newIndex, group) |
926 |
|
#print "5------------------" |
927 |
|
|
928 |
|
enabled = newIndex != 0 |
929 |
|
|
930 |
|
for b in self.controlButtons: |
931 |
|
b.Enable(enabled) |
932 |
|
|
933 |
|
self.__SetFieldTypeText(newIndex) |
934 |
|
|
935 |
|
|
936 |
|
def _OnEditGroupProperties(self, event): |
937 |
|
sel = self.classGrid.GetCurrentSelection() |
938 |
|
|
939 |
|
if len(sel) == 1: |
940 |
|
self.EditGroupProperties(sel[0]) |
941 |
|
|
942 |
|
def _OnFieldSelect(self, event): |
943 |
|
index = self.fields.GetSelection() |
944 |
|
self.__SelectField(index, self.__cur_field) |
945 |
|
self.__cur_field = index |
946 |
|
|
947 |
|
def _OnApply(self, event): |
948 |
"""Put the data from the table into a new Classification and hand |
"""Put the data from the table into a new Classification and hand |
949 |
it to the layer. |
it to the layer. |
950 |
""" |
""" |
951 |
|
|
952 |
clazz = self.fields.GetClientData(self.__cur_field)[FIELD_CLASS] |
clazz = self.fields.GetClientData(self.__cur_field) |
953 |
|
|
954 |
# |
# |
955 |
# only build the classification if there wasn't one to |
# only build the classification if there wasn't one to |
958 |
if clazz is None or self.classGrid.GetTable().IsModified(): |
if clazz is None or self.classGrid.GetTable().IsModified(): |
959 |
clazz = self.__BuildClassification(self.__cur_field) |
clazz = self.__BuildClassification(self.__cur_field) |
960 |
|
|
|
clazz.SetLayer(self.layer) |
|
|
|
|
961 |
self.layer.SetClassification(clazz) |
self.layer.SetClassification(clazz) |
962 |
|
|
963 |
self.EndModal(wxID_OK) |
self.haveApplied = True |
964 |
|
|
965 |
def OnCancel(self, event): |
def _OnOK(self, event): |
966 |
"""Do nothing. The layer's current classification stays the same.""" |
self._OnApply(event) |
967 |
self.EndModal(wxID_CANCEL) |
self.OnClose(event) |
968 |
|
|
969 |
|
def _OnCancel(self, event): |
970 |
|
"""The layer's current classification stays the same.""" |
971 |
|
if self.haveApplied: |
972 |
|
self.layer.SetClassification(self.originalClass) |
973 |
|
|
974 |
def OnAdd(self, event): |
self.OnClose(event) |
975 |
|
|
976 |
|
def _OnAdd(self, event): |
977 |
self.classGrid.AppendRows() |
self.classGrid.AppendRows() |
978 |
|
|
979 |
def OnRemove(self, event): |
def _OnRemove(self, event): |
980 |
self.classGrid.DeleteSelectedRows() |
self.classGrid.DeleteSelectedRows() |
981 |
|
|
982 |
def OnGenRange(self, event): |
def _OnGenClass(self, event): |
983 |
print "Classifier.OnGenRange()" |
|
984 |
|
genDlg = ClassGenDialog(self, |
985 |
|
self.layer.table, |
986 |
|
self.fields.GetString(self.__cur_field)) |
987 |
|
|
988 |
|
if genDlg.ShowModal() == wxID_OK: |
989 |
|
clazz = genDlg.GetClassification() |
990 |
|
self.fields.SetClientData(self.__cur_field, clazz) |
991 |
|
self.classGrid.GetTable().SetClassification(clazz) |
992 |
|
genDlg.Destroy() |
993 |
|
|
994 |
|
def _OnMoveUp(self, event): |
995 |
|
sel = self.classGrid.GetCurrentSelection() |
996 |
|
|
997 |
|
#print "sel: ", sel |
998 |
|
|
999 |
|
if len(sel) == 1: |
1000 |
|
i = sel[0] |
1001 |
|
if i > 1: |
1002 |
|
table = self.classGrid.GetTable() |
1003 |
|
x = table.GetClassGroup(i - 1) |
1004 |
|
y = table.GetClassGroup(i) |
1005 |
|
table.SetClassGroup(i - 1, y) |
1006 |
|
table.SetClassGroup(i, x) |
1007 |
|
self.classGrid.ClearSelection() |
1008 |
|
self.classGrid.SelectRow(i - 1) |
1009 |
|
self.classGrid.MakeCellVisible(i - 1, 0) |
1010 |
|
|
1011 |
|
def _OnMoveDown(self, event): |
1012 |
|
sel = self.classGrid.GetCurrentSelection() |
1013 |
|
|
1014 |
|
if len(sel) == 1: |
1015 |
|
i = sel[0] |
1016 |
|
table = self.classGrid.GetTable() |
1017 |
|
if 0 < i < table.GetNumberRows() - 1: |
1018 |
|
x = table.GetClassGroup(i) |
1019 |
|
y = table.GetClassGroup(i + 1) |
1020 |
|
table.SetClassGroup(i, y) |
1021 |
|
table.SetClassGroup(i + 1, x) |
1022 |
|
self.classGrid.ClearSelection() |
1023 |
|
self.classGrid.SelectRow(i + 1) |
1024 |
|
self.classGrid.MakeCellVisible(i + 1, 0) |
1025 |
|
|
1026 |
|
|
1027 |
ID_SELPROP_OK = 4001 |
ID_SELPROP_OK = 4001 |
1030 |
ID_SELPROP_PREVIEW = 4003 |
ID_SELPROP_PREVIEW = 4003 |
1031 |
ID_SELPROP_STROKECLR = 4004 |
ID_SELPROP_STROKECLR = 4004 |
1032 |
ID_SELPROP_FILLCLR = 4005 |
ID_SELPROP_FILLCLR = 4005 |
1033 |
|
ID_SELPROP_STROKECLRTRANS = 4006 |
1034 |
|
ID_SELPROP_FILLCLRTRANS = 4007 |
1035 |
|
|
1036 |
class SelectPropertiesDialog(wxDialog): |
class SelectPropertiesDialog(wxDialog): |
1037 |
|
|
1038 |
def __init__(self, parent, prop, shapeType): |
def __init__(self, parent, prop, shapeType): |
1039 |
wxDialog.__init__(self, parent, -1, _("Select Properties"), |
wxDialog.__init__(self, parent, -1, _("Select Properties"), |
1040 |
style = wxRESIZE_BORDER) |
style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER) |
1041 |
|
|
1042 |
self.prop = ClassGroupProperties(prop) |
self.prop = ClassGroupProperties(prop) |
1043 |
|
|
1049 |
previewBox = wxBoxSizer(wxVERTICAL) |
previewBox = wxBoxSizer(wxVERTICAL) |
1050 |
previewBox.Add(wxStaticText(self, -1, _("Preview:")), |
previewBox.Add(wxStaticText(self, -1, _("Preview:")), |
1051 |
0, wxALIGN_LEFT | wxALL, 4) |
0, wxALIGN_LEFT | wxALL, 4) |
1052 |
self.previewer = ClassDataPreviewer(None, self.prop, shapeType, |
self.previewWin = ClassDataPreviewWindow(None, self.prop, shapeType, |
1053 |
self, ID_SELPROP_PREVIEW, (40, 40)) |
self, ID_SELPROP_PREVIEW, (40, 40)) |
1054 |
previewBox.Add(self.previewer, 1, wxGROW, 15) |
previewBox.Add(self.previewWin, 1, wxGROW, 15) |
1055 |
|
|
1056 |
itemBox.Add(previewBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0) |
itemBox.Add(previewBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0) |
1057 |
|
|
1058 |
# control box |
# control box |
1059 |
ctrlBox = wxBoxSizer(wxVERTICAL) |
ctrlBox = wxBoxSizer(wxVERTICAL) |
1060 |
ctrlBox.Add( |
|
1061 |
wxButton(self, ID_SELPROP_STROKECLR, "Change Stroke Color"), |
lineColorBox = wxBoxSizer(wxHORIZONTAL) |
1062 |
1, wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4) |
lineColorBox.Add( |
1063 |
EVT_BUTTON(self, ID_SELPROP_STROKECLR, self.OnChangeStrokeColor) |
wxButton(self, ID_SELPROP_STROKECLR, _("Change Line Color")), |
1064 |
|
1, wxALL | wxGROW, 4) |
1065 |
|
EVT_BUTTON(self, ID_SELPROP_STROKECLR, self._OnChangeLineColor) |
1066 |
|
|
1067 |
|
lineColorBox.Add( |
1068 |
|
wxButton(self, ID_SELPROP_STROKECLRTRANS, _("Transparent")), |
1069 |
|
1, wxALL | wxGROW, 4) |
1070 |
|
EVT_BUTTON(self, ID_SELPROP_STROKECLRTRANS, |
1071 |
|
self._OnChangeLineColorTrans) |
1072 |
|
|
1073 |
|
ctrlBox.Add(lineColorBox, 0, |
1074 |
|
wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4) |
1075 |
|
|
1076 |
if shapeType != SHAPETYPE_ARC: |
if shapeType != SHAPETYPE_ARC: |
1077 |
ctrlBox.Add( |
fillColorBox = wxBoxSizer(wxHORIZONTAL) |
1078 |
wxButton(self, ID_SELPROP_FILLCLR, "Change Fill Color"), |
fillColorBox.Add( |
1079 |
0, wxALIGN_LEFT | wxALL | wxGROW, 4) |
wxButton(self, ID_SELPROP_FILLCLR, _("Change Fill Color")), |
1080 |
EVT_BUTTON(self, ID_SELPROP_FILLCLR, self.OnChangeFillColor) |
1, wxALL | wxGROW, 4) |
1081 |
|
EVT_BUTTON(self, ID_SELPROP_FILLCLR, self._OnChangeFillColor) |
1082 |
|
fillColorBox.Add( |
1083 |
|
wxButton(self, ID_SELPROP_FILLCLRTRANS, _("Transparent")), |
1084 |
|
1, wxALL | wxGROW, 4) |
1085 |
|
EVT_BUTTON(self, ID_SELPROP_FILLCLRTRANS, |
1086 |
|
self._OnChangeFillColorTrans) |
1087 |
|
ctrlBox.Add(fillColorBox, 0, |
1088 |
|
wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4) |
1089 |
|
|
1090 |
spinBox = wxBoxSizer(wxHORIZONTAL) |
spinBox = wxBoxSizer(wxHORIZONTAL) |
1091 |
spinBox.Add(wxStaticText(self, -1, _("Stroke Width: ")), |
spinBox.Add(wxStaticText(self, -1, _("Line Width: ")), |
1092 |
0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4) |
0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4) |
1093 |
self.spinCtrl = wxSpinCtrl(self, ID_SELPROP_SPINCTRL, |
self.spinCtrl = wxSpinCtrl(self, ID_SELPROP_SPINCTRL, |
1094 |
min=1, max=10, |
min=1, max=10, |
1095 |
value=str(prop.GetStrokeWidth()), |
value=str(prop.GetLineWidth()), |
1096 |
initial=prop.GetStrokeWidth()) |
initial=prop.GetLineWidth()) |
1097 |
|
|
1098 |
EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL, self.OnSpin) |
EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL, self._OnSpin) |
1099 |
|
|
1100 |
spinBox.Add(self.spinCtrl, 0, wxALIGN_LEFT | wxALL, 4) |
spinBox.Add(self.spinCtrl, 0, wxALIGN_LEFT | wxALL, 4) |
1101 |
|
|
1103 |
itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0) |
itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0) |
1104 |
topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0) |
topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0) |
1105 |
|
|
|
|
|
1106 |
# |
# |
1107 |
# Control buttons: |
# Control buttons: |
1108 |
# |
# |
1109 |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
1110 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")), |
buttonBox.Add(wxButton(self, ID_SELPROP_OK, _("OK")), |
1111 |
0, wxALL, 4) |
0, wxALL, 4) |
1112 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")), |
buttonBox.Add(wxButton(self, ID_SELPROP_CANCEL, _("Cancel")), |
1113 |
0, wxALL, 4) |
0, wxALL, 4) |
1114 |
topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10) |
topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10) |
1115 |
|
|
1116 |
EVT_BUTTON(self, ID_SELPROP_OK, self.OnOK) |
EVT_BUTTON(self, ID_SELPROP_OK, self._OnOK) |
1117 |
EVT_BUTTON(self, ID_SELPROP_CANCEL, self.OnCancel) |
EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel) |
1118 |
|
|
1119 |
self.SetAutoLayout(true) |
self.SetAutoLayout(True) |
1120 |
self.SetSizer(topBox) |
self.SetSizer(topBox) |
1121 |
topBox.Fit(self) |
topBox.Fit(self) |
1122 |
topBox.SetSizeHints(self) |
topBox.SetSizeHints(self) |
1123 |
|
|
1124 |
def OnOK(self, event): |
def _OnOK(self, event): |
1125 |
self.EndModal(wxID_OK) |
self.EndModal(wxID_OK) |
1126 |
|
|
1127 |
def OnCancel(self, event): |
def _OnCancel(self, event): |
1128 |
self.EndModal(wxID_CANCEL) |
self.EndModal(wxID_CANCEL) |
1129 |
|
|
1130 |
def OnSpin(self, event): |
def _OnSpin(self, event): |
1131 |
self.prop.SetStrokeWidth(self.spinCtrl.GetValue()) |
self.prop.SetLineWidth(self.spinCtrl.GetValue()) |
1132 |
self.previewer.Refresh() |
self.previewWin.Refresh() |
1133 |
|
|
1134 |
def __GetColor(self, cur): |
def __GetColor(self, cur): |
1135 |
dialog = wxColourDialog(self) |
dialog = wxColourDialog(self) |
1136 |
dialog.GetColourData().SetColour(Color2wxColour(cur)) |
if cur is not Color.Transparent: |
1137 |
|
dialog.GetColourData().SetColour(Color2wxColour(cur)) |
1138 |
|
|
1139 |
ret = None |
ret = None |
1140 |
if dialog.ShowModal() == wxID_OK: |
if dialog.ShowModal() == wxID_OK: |
1141 |
ret = wxColour2Color(dialog.GetColourData().GetColour()) |
ret = wxColour2Color(dialog.GetColourData().GetColour()) |
1144 |
|
|
1145 |
return ret |
return ret |
1146 |
|
|
1147 |
def OnChangeStrokeColor(self, event): |
def _OnChangeLineColor(self, event): |
1148 |
clr = self.__GetColor(self.prop.GetStroke()) |
clr = self.__GetColor(self.prop.GetLineColor()) |
1149 |
if clr is not None: |
if clr is not None: |
1150 |
self.prop.SetStroke(clr) |
self.prop.SetLineColor(clr) |
1151 |
self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer |
self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer |
1152 |
|
|
1153 |
def OnChangeFillColor(self, event): |
def _OnChangeLineColorTrans(self, event): |
1154 |
|
self.prop.SetLineColor(Color.Transparent) |
1155 |
|
self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer |
1156 |
|
|
1157 |
|
def _OnChangeFillColor(self, event): |
1158 |
clr = self.__GetColor(self.prop.GetFill()) |
clr = self.__GetColor(self.prop.GetFill()) |
1159 |
if clr is not None: |
if clr is not None: |
1160 |
self.prop.SetFill(clr) |
self.prop.SetFill(clr) |
1161 |
self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer |
self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer |
1162 |
|
|
1163 |
|
def _OnChangeFillColorTrans(self, event): |
1164 |
|
self.prop.SetFill(Color.Transparent) |
1165 |
|
self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer |
1166 |
|
|
1167 |
def GetClassGroupProperties(self): |
def GetClassGroupProperties(self): |
1168 |
return self.prop |
return self.prop |
1169 |
|
|
1170 |
|
|
1171 |
class ClassDataPreviewer(wxWindow): |
class ClassDataPreviewWindow(wxWindow): |
1172 |
|
|
1173 |
def __init__(self, rect, prop, shapeType, |
def __init__(self, rect, prop, shapeType, |
1174 |
parent = None, id = -1, size = wxDefaultSize): |
parent = None, id = -1, size = wxDefaultSize): |
1175 |
if parent is not None: |
if parent is not None: |
1176 |
wxWindow.__init__(self, parent, id, size=size) |
wxWindow.__init__(self, parent, id, (0, 0), size) |
1177 |
EVT_PAINT(self, self.OnPaint) |
EVT_PAINT(self, self._OnPaint) |
1178 |
|
|
1179 |
self.rect = rect |
self.rect = rect |
1180 |
|
|
1181 |
self.prop = prop |
self.prop = prop |
1182 |
self.shapeType = shapeType |
self.shapeType = shapeType |
1183 |
|
self.previewer = ClassDataPreviewer() |
1184 |
|
|
1185 |
def OnPaint(self, event): |
def _OnPaint(self, event): |
1186 |
dc = wxPaintDC(self) |
dc = wxPaintDC(self) |
1187 |
|
|
1188 |
# XXX: this doesn't seem to be having an effect: |
# XXX: this doesn't seem to be having an effect: |
1189 |
dc.DestroyClippingRegion() |
dc.DestroyClippingRegion() |
1190 |
|
|
1191 |
self.Draw(dc, None) |
if self.rect is None: |
1192 |
|
w, h = self.GetSize() |
1193 |
|
rect = wxRect(0, 0, w, h) |
1194 |
|
else: |
1195 |
|
rect = self.rect |
1196 |
|
|
1197 |
|
self.previewer.Draw(dc, rect, self.prop, self.shapeType) |
1198 |
|
|
1199 |
def Draw(self, dc, rect, prop = None, shapeType = None): |
class ClassDataPreviewer: |
1200 |
|
|
1201 |
if prop is None: prop = self.prop |
def Draw(self, dc, rect, prop, shapeType): |
1202 |
if shapeType is None: shapeType = self.shapeType |
|
1203 |
|
assert dc is not None |
1204 |
|
assert isinstance(prop, ClassGroupProperties) |
1205 |
|
|
1206 |
if rect is None: |
if rect is None: |
1207 |
x = y = 0 |
x = 0 |
1208 |
w, h = self.GetClientSizeTuple() |
y = 0 |
1209 |
|
w, h = dc.GetSize() |
1210 |
else: |
else: |
1211 |
x = rect.GetX() |
x = rect.GetX() |
1212 |
y = rect.GetY() |
y = rect.GetY() |
1213 |
w = rect.GetWidth() |
w = rect.GetWidth() |
1214 |
h = rect.GetHeight() |
h = rect.GetHeight() |
1215 |
|
|
1216 |
stroke = prop.GetStroke() |
stroke = prop.GetLineColor() |
1217 |
if stroke is Color.None: |
if stroke is Color.Transparent: |
1218 |
pen = wxTRANSPARENT_PEN |
pen = wxTRANSPARENT_PEN |
1219 |
else: |
else: |
1220 |
pen = wxPen(Color2wxColour(stroke), |
pen = wxPen(Color2wxColour(stroke), |
1221 |
prop.GetStrokeWidth(), |
prop.GetLineWidth(), |
1222 |
wxSOLID) |
wxSOLID) |
1223 |
|
|
1224 |
stroke = prop.GetFill() |
stroke = prop.GetFill() |
1225 |
if stroke is Color.None: |
if stroke is Color.Transparent: |
1226 |
brush = wxTRANSPARENT_BRUSH |
brush = wxTRANSPARENT_BRUSH |
1227 |
else: |
else: |
1228 |
brush = wxBrush(Color2wxColour(stroke), wxSOLID) |
brush = wxBrush(Color2wxColour(stroke), wxSOLID) |
1236 |
wxPoint(x + w/2, y + h/4*3), |
wxPoint(x + w/2, y + h/4*3), |
1237 |
wxPoint(x + w, y)]) |
wxPoint(x + w, y)]) |
1238 |
|
|
1239 |
elif shapeType == SHAPETYPE_POINT or \ |
elif shapeType == SHAPETYPE_POINT: |
|
shapeType == SHAPETYPE_POLYGON: |
|
1240 |
|
|
1241 |
dc.DrawCircle(x + w/2, y + h/2, |
dc.DrawCircle(x + w/2, y + h/2, |
1242 |
(min(w, h) - prop.GetStrokeWidth())/2) |
(min(w, h) - prop.GetLineWidth())/2) |
1243 |
|
|
1244 |
|
elif shapeType == SHAPETYPE_POLYGON: |
1245 |
|
dc.DrawRectangle(x, y, w, h) |
1246 |
|
|
1247 |
class ClassRenderer(wxPyGridCellRenderer): |
class ClassRenderer(wxPyGridCellRenderer): |
1248 |
|
|
1249 |
def __init__(self, shapeType): |
def __init__(self, shapeType): |
1250 |
wxPyGridCellRenderer.__init__(self) |
wxPyGridCellRenderer.__init__(self) |
1251 |
self.previewer = ClassDataPreviewer(None, None, shapeType) |
self.shapeType = shapeType |
1252 |
|
self.previewer = ClassDataPreviewer() |
1253 |
|
|
1254 |
def Draw(self, grid, attr, dc, rect, row, col, isSelected): |
def Draw(self, grid, attr, dc, rect, row, col, isSelected): |
1255 |
data = grid.GetTable().GetValueAsCustom(row, col, None) |
data = grid.GetTable().GetClassGroup(row) |
1256 |
|
|
1257 |
dc.SetClippingRegion(rect.GetX(), rect.GetY(), |
dc.SetClippingRegion(rect.GetX(), rect.GetY(), |
1258 |
rect.GetWidth(), rect.GetHeight()) |
rect.GetWidth(), rect.GetHeight()) |
1262 |
rect.GetWidth(), rect.GetHeight()) |
rect.GetWidth(), rect.GetHeight()) |
1263 |
|
|
1264 |
if not isinstance(data, ClassGroupMap): |
if not isinstance(data, ClassGroupMap): |
1265 |
self.previewer.Draw(dc, rect, data.GetProperties()) |
self.previewer.Draw(dc, rect, data.GetProperties(), self.shapeType) |
1266 |
|
|
1267 |
if isSelected: |
if isSelected: |
1268 |
dc.SetPen(wxPen(wxColour(0 * 255, 0 * 255, 0 * 255), |
dc.SetPen(wxPen(wxColour(0 * 255, 0 * 255, 0 * 255), |