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# Copyright (c) 2001 by Intevation GmbH |
# Copyright (c) 2003-2005 by Intevation GmbH |
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# Authors: |
# Authors: |
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# Jonathan Coles <[email protected]> |
# Jan-Oliver Wagner <[email protected]> (2003-2004) |
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# Martin Schulze <[email protected]> (2004) |
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# Frank Koormann <[email protected]> (2003, 2006) |
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# Bernhard Herzog <[email protected]> (2003) |
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# Jonathan Coles <[email protected]> (2003) |
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# |
# |
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# This program is free software under the GPL (>=v2) |
# This program is free software under the GPL (>=v2) |
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# Read the file COPYING coming with Thuban for details. |
# Read the file COPYING coming with Thuban for details. |
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"""Dialog for classifying how layers are displayed""" |
"""Dialog for classifying how layers are displayed""" |
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__version__ = "$Revision$" |
__version__ = "$Revision$" |
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# $Source$ |
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# $Id$ |
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import copy |
import copy |
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import re |
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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 import _ |
from Thuban import _ |
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from Thuban.common import * |
from Thuban.UI.common import Color2wxColour, wxColour2Color |
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from Thuban.UI.common import * |
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from Thuban.Model.classification import * #Classification, ClassData |
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from Thuban.Model.color import Color |
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from Thuban.Model.layer import SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT |
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ID_PROPERTY_SELECT = 4010 |
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ID_CLASS_TABLE = 40011 |
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ID_CLASSIFY_OK = 4001 |
from Thuban.Model.messages import MAP_LAYERS_REMOVED, LAYER_SHAPESTORE_REPLACED |
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ID_CLASSIFY_CANCEL = 4002 |
from Thuban.Model.range import Range |
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ID_CLASSIFY_ADD = 4003 |
from Thuban.Model.classification import \ |
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ID_CLASSIFY_GENRANGE = 4004 |
Classification, ClassGroupDefault, \ |
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ClassGroupSingleton, ClassGroupPattern, ClassGroupRange, ClassGroupMap, \ |
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COL_VISUAL = 0 |
ClassGroupProperties |
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COL_VALUE = 1 |
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COL_LABEL = 2 |
from Thuban.Model.color import Transparent |
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from Thuban.Model.layer import Layer |
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from Thuban.Model.data import SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT |
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from Thuban.UI.classgen import ClassGenDialog |
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from Thuban.UI.colordialog import ColorDialog |
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from Thuban.UI.layerproperties import LayerProperties |
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from messages import MAP_REPLACED |
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# table columns |
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COL_VISIBLE = 0 |
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COL_SYMBOL = 1 |
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COL_VALUE = 2 |
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COL_LABEL = 3 |
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NUM_COLS = 4 |
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# indices into the client data lists in Classifier.fields |
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FIELD_CLASS = 0 |
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FIELD_TYPE = 1 |
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FIELD_NAME = 2 |
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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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import weakref |
import weakref |
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class ClassGrid(wxGrid): |
class ClassGrid(wxGrid): |
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def __init__(self, parent, layer): |
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wxGrid.__init__(self, parent, ID_CLASS_TABLE, size = (300, 150)) |
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self.SetTable( |
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ClassTable(layer.GetClassification(), layer.ShapeType(), self), |
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true) |
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def SetCellRenderer(self, row, col): |
def __init__(self, parent, classifier): |
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raise ValueError(_("Must not allow setting of renderer in ClassGrid!")) |
"""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, -1, style = 0) |
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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) |
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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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EVT_GRID_LABEL_RIGHT_CLICK(self, self._OnLabelRightClicked) |
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#def GetCellAttr(self, row, col): |
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#print "GetCellAttr ", row, col |
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#wxGrid.GetCellAttr(self, row, col) |
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def CreateTable(self, clazz, fieldType, 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() * NUM_COLS \ |
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+ self.GetDefaultRowLabelSize() |
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h = self.GetDefaultRowSize() * 4 \ |
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+ 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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table.Reset(clazz, fieldType, shapeType, group) |
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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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sel = copy.copy(self.currentSelection) |
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sel.sort() |
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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, renderer): |
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#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): |
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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() |
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# 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: |
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#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): |
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wxMessageDialog(self, |
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_("The Default group cannot be removed."), |
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style = wxOK | wxICON_EXCLAMATION).ShowModal() |
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return |
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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() |
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# |
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# actually remove the rows |
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# |
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table = self.GetTable() |
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for row in sel: |
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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: |
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r = sel[0] |
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if r > self.GetNumberRows() - 1: |
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r = self.GetNumberRows() - 1 |
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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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for i in range(table.GetNumberRows()): |
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g = table.GetClassGroup(i) |
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if g is group: |
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self.SelectRow(i) |
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if makeVisible: |
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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! |
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# |
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# def DeselectRow(self, row): |
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# self.ProcessEvent( |
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# wxGridRangeSelectEvent(-1, |
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# wxEVT_GRID_RANGE_SELECT, |
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# self, |
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# (row, row), (row, row), |
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# sel = False)) |
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def _OnCellDClick(self, event): |
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"""Handle a double click on a cell.""" |
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r = event.GetRow() |
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c = event.GetCol() |
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if c == COL_SYMBOL: |
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self.classifier.EditSymbol(r) |
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else: |
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event.Skip() |
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# |
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# _OnSelectedRange() and _OnSelectedCell() were borrowed |
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# 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): |
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"""Internal update to the selection tracking list""" |
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if event.Selecting(): |
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for index in range( event.GetTopRow(), event.GetBottomRow()+1): |
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if index not in self.currentSelection: |
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self.currentSelection.append( index ) |
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else: |
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for index in range( event.GetTopRow(), event.GetBottomRow()+1): |
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while index in self.currentSelection: |
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self.currentSelection.remove( index ) |
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#self.ConfigureForSelection() |
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event.Skip() |
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def _OnSelectedCell( self, event ): |
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"""Internal update to the selection tracking list""" |
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self.currentSelection = [ event.GetRow() ] |
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#self.ConfigureForSelection() |
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event.Skip() |
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def _OnCellResize(self, event): |
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self.FitInside() |
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event.Skip() |
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def _OnLabelRightClicked(self, event): |
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"""Process right click on label, raise popup for row labels.""" |
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row, col = event.GetRow(), event.GetCol() |
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if col == -1: |
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self.labelPopup(event, row) |
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def labelPopup(self, event, row): |
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"""Raise grid label popup.""" |
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# check if row label is Pattern or Singleton |
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label = self.GetRowLabelValue(row) |
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if (label == _("Pattern") or label == _("Singleton")): |
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xe,ye = event.GetPosition() |
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x=self.GetRowSize(row)/2 |
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menu = wxMenu() |
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patternID = wxNewId() |
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singletonID = wxNewId() |
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def _SetSingleton(event, self=self, row=row): |
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table = self.GetTable() |
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group = table.clazz.GetGroup(row - 1) |
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if not isinstance(group, ClassGroupSingleton): |
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ngroup = ClassGroupSingleton( |
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group.GetPattern(), |
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group.GetProperties(), |
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group.GetLabel() |
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) |
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table.SetClassGroup(row, ngroup) |
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def _SetPattern(event, self=self, row=row): |
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table = self.GetTable() |
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group = table.clazz.GetGroup(row - 1) |
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if not isinstance(group, ClassGroupPattern): |
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try: |
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re.compile(group.GetValue()) |
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except: |
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pass |
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else: |
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ngroup = ClassGroupPattern( |
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group.GetValue(), |
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group.GetProperties(), |
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group.GetLabel() |
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) |
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table.SetClassGroup(row, ngroup) |
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menu.Append(singletonID, _("Singleton")) |
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EVT_MENU(self, singletonID, _SetSingleton) |
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if self.GetTable().fieldType == FIELDTYPE_STRING: |
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menu.Append(patternID, _("Pattern")) |
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EVT_MENU(self, patternID, _SetPattern) |
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self.PopupMenu(menu, wxPoint(x,ye)) |
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menu.Destroy() |
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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 |
__col_labels = [_("Visible"), _("Symbol"), _("Value"), _("Label")] |
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__col_labels = [_("Visual"), _("Value"), _("Label")] |
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def __init__(self, clazz, shapeType, view = None): |
def __init__(self, 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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assert len(ClassTable.__col_labels) == NUM_COLS |
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self.clazz = None |
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self.__colAttr = {} |
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self.SetView(view) |
self.SetView(view) |
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self.tdata = [] |
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self.Reset(clazz, shapeType) |
def Reset(self, clazz, fieldType, shapeType, group = None): |
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"""Reset the table with the given data. |
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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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def Reset(self, clazz, shapeType): |
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.fieldType = fieldType |
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self.shapeType = shapeType |
self.shapeType = shapeType |
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self.renderer = ClassRenderer(self.shapeType) |
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old_tdata = self.tdata |
self.SetClassification(clazz, group) |
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self.__Modified(-1) |
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self.tdata = [] |
self.__colAttr = {} |
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if clazz is None: |
attr = wxGridCellAttr() |
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clazz = Classification() |
attr.SetEditor(wxGridCellBoolEditor()) |
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attr.SetRenderer(wxGridCellBoolRenderer()) |
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attr.SetAlignment(wxALIGN_CENTER, wxALIGN_CENTER) |
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self.__colAttr[COL_VISIBLE] = attr |
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# p = clazz.GetDefaultGroup() |
attr = wxGridCellAttr() |
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# np = ClassDataDefault(classData = p) |
attr.SetRenderer(ClassRenderer(self.shapeType)) |
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# self.tdata.append([np, 'DEFAULT', np.GetLabel()]) |
attr.SetReadOnly() |
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self.__colAttr[COL_SYMBOL] = attr |
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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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self.GetView().EndBatch() |
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self.modified = 0 |
self.GetView().FitInside() |
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def GetClassification(self): |
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"""Return the current classification.""" |
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return self.clazz |
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def SetClassification(self, clazz, group = None): |
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"""Fill in the table with the given classification. |
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Select the given group if group is not None. |
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""" |
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self.GetView().BeginBatch() |
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388 |
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old_len = self.GetNumberRows() |
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row = -1 |
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self.clazz = clazz |
392 |
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self.__NotifyRowChanges(old_len, self.GetNumberRows()) |
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# |
# |
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# XXX: this is dead code at the moment |
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# |
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if row > -1: |
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self.GetView().ClearSelection() |
400 |
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self.GetView().SelectRow(row) |
401 |
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self.GetView().MakeCellVisible(row, 0) |
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403 |
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self.__Modified() |
404 |
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self.GetView().EndBatch() |
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self.GetView().FitInside() |
407 |
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408 |
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def __NotifyRowChanges(self, curRows, newRows): |
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"""Make sure table updates correctly if the number of |
410 |
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rows changes. |
411 |
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""" |
412 |
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# |
413 |
# silly message processing for updates to the number of |
# silly message processing for updates to the number of |
414 |
# rows and columns |
# rows and columns |
415 |
# |
# |
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curRows = len(old_tdata) |
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newRows = len(self.tdata) |
|
416 |
if newRows > curRows: |
if newRows > curRows: |
417 |
msg = wxGridTableMessage(self, |
msg = wxGridTableMessage(self, |
418 |
wxGRIDTABLE_NOTIFY_ROWS_APPENDED, |
wxGRIDTABLE_NOTIFY_ROWS_APPENDED, |
419 |
newRows - curRows) # how many |
newRows - curRows) # how many |
420 |
self.GetView().ProcessTableMessage(msg) |
self.GetView().ProcessTableMessage(msg) |
421 |
|
self.GetView().FitInside() |
422 |
elif newRows < curRows: |
elif newRows < curRows: |
423 |
msg = wxGridTableMessage(self, |
msg = wxGridTableMessage(self, |
424 |
wxGRIDTABLE_NOTIFY_ROWS_DELETED, |
wxGRIDTABLE_NOTIFY_ROWS_DELETED, |
425 |
curRows - newRows, # position |
curRows, # position |
426 |
curRows - newRows) # how many |
curRows - newRows) # how many |
427 |
self.GetView().ProcessTableMessage(msg) |
self.GetView().ProcessTableMessage(msg) |
428 |
|
self.GetView().FitInside() |
|
self.GetView().EndBatch() |
|
429 |
|
|
430 |
def __SetRow(self, row, group): |
def __SetRow(self, row, group): |
431 |
|
"""Set a row's data to that of the group. |
432 |
|
|
433 |
if isinstance(group, ClassGroupDefault): |
The table is considered modified after this operation. |
434 |
data = [group, 'DEFAULT', group.GetLabel()] |
|
435 |
elif isinstance(group, ClassGroupSingleton): |
row -- if row is < 0 'group' is inserted at the top of the table |
436 |
data = [group, group.GetValue(), group.GetLabel()] |
if row is >= GetNumberRows() or None 'group' is append to |
437 |
elif isinstance(group, ClassGroupRange): |
the end of the table. |
438 |
data = [group, |
otherwise 'group' replaces row 'row' |
439 |
'%s - %s' % (group.GetMin(), group.GetMax()), |
""" |
|
group.GetLabel()] |
|
440 |
|
|
441 |
if row >= len(self.tdata): |
# either append or replace |
442 |
self.tdata.append(data) |
if row is None or row >= self.GetNumberRows(): |
443 |
|
self.clazz.AppendGroup(group) |
444 |
|
elif row < 0: |
445 |
|
self.clazz.InsertGroup(0, group) |
446 |
else: |
else: |
447 |
self.tdata[row] = data |
if row == 0: |
448 |
|
self.clazz.SetDefaultGroup(group) |
449 |
|
else: |
450 |
|
self.clazz.ReplaceGroup(row - 1, group) |
451 |
|
|
452 |
|
self.__Modified() |
453 |
|
|
454 |
def GetColLabelValue(self, col): |
def GetColLabelValue(self, col): |
455 |
|
"""Return the label for the given column.""" |
456 |
return self.__col_labels[col] |
return self.__col_labels[col] |
457 |
|
|
458 |
def GetRowLabelValue(self, row): |
def GetRowLabelValue(self, row): |
459 |
data = self.tdata[row][COL_VISUAL] |
"""Return the label for the given row.""" |
460 |
if isinstance(data, ClassGroupDefault): return _("Default") |
|
461 |
if isinstance(data, ClassGroupSingleton): return _("Singleton") |
if row == 0: |
462 |
if isinstance(data, ClassGroupRange): return _("Range") |
return _("Default") |
463 |
if isinstance(data, ClassGroupMap): return _("Map") |
else: |
464 |
|
group = self.clazz.GetGroup(row - 1) |
465 |
|
if isinstance(group, ClassGroupDefault): return _("Default") |
466 |
|
if isinstance(group, ClassGroupSingleton): return _("Singleton") |
467 |
|
if isinstance(group, ClassGroupPattern): return _("Pattern") |
468 |
|
if isinstance(group, ClassGroupRange): return _("Range") |
469 |
|
if isinstance(group, ClassGroupMap): return _("Map") |
470 |
|
|
471 |
|
assert False # shouldn't get here |
472 |
|
return "" |
473 |
|
|
474 |
def GetNumberRows(self): |
def GetNumberRows(self): |
475 |
return len(self.tdata) |
"""Return the number of rows.""" |
476 |
|
if self.clazz is None: |
477 |
|
return 0 |
478 |
|
|
479 |
|
return self.clazz.GetNumGroups() + 1 # +1 for default group |
480 |
|
|
481 |
def GetNumberCols(self): |
def GetNumberCols(self): |
482 |
return self.NUM_COLS |
"""Return the number of columns.""" |
483 |
|
return NUM_COLS |
484 |
|
|
485 |
def IsEmptyCell(self, row, col): |
def IsEmptyCell(self, row, col): |
486 |
return 0 |
"""Determine if a cell is empty. This is always false.""" |
487 |
|
return False |
488 |
|
|
489 |
def GetValue(self, row, col): |
def GetValue(self, row, col): |
490 |
return self.GetValueAsCustom(row, col, "") |
"""Return the object that is used to represent the given |
491 |
|
cell coordinates. This may not be a string.""" |
492 |
|
return self.GetValueAsCustom(row, col, None) |
493 |
|
|
494 |
def SetValue(self, row, col, value): |
def SetValue(self, row, col, value): |
495 |
self.SetValueAsCustom(row, col, "", value) |
"""Assign 'value' to the cell specified by 'row' and 'col'. |
496 |
self.__Modified() |
|
497 |
|
The table is considered modified after this operation. |
498 |
|
""" |
499 |
|
|
500 |
|
self.SetValueAsCustom(row, col, None, value) |
501 |
|
|
502 |
def GetValueAsCustom(self, row, col, typeName): |
def GetValueAsCustom(self, row, col, typeName): |
503 |
return self.tdata[row][col] |
"""Return the object that is used to represent the given |
504 |
|
cell coordinates. This may not be a string. |
505 |
|
|
506 |
|
typeName -- unused, but needed to overload wxPyGridTableBase |
507 |
|
""" |
508 |
|
|
509 |
|
if row == 0: |
510 |
|
group = self.clazz.GetDefaultGroup() |
511 |
|
else: |
512 |
|
group = self.clazz.GetGroup(row - 1) |
513 |
|
|
514 |
|
|
515 |
|
if col == COL_VISIBLE: |
516 |
|
return group.IsVisible() |
517 |
|
|
518 |
|
if col == COL_SYMBOL: |
519 |
|
return group.GetProperties() |
520 |
|
|
521 |
|
if col == COL_LABEL: |
522 |
|
return group.GetLabel() |
523 |
|
|
524 |
|
# col must be COL_VALUE |
525 |
|
assert col == COL_VALUE |
526 |
|
|
527 |
|
if isinstance(group, ClassGroupDefault): |
528 |
|
return _("DEFAULT") |
529 |
|
elif isinstance(group, ClassGroupSingleton): |
530 |
|
return group.GetValue() |
531 |
|
elif isinstance(group, ClassGroupPattern): |
532 |
|
return group.GetPattern() |
533 |
|
elif isinstance(group, ClassGroupRange): |
534 |
|
return group.GetRange() |
535 |
|
|
536 |
|
assert False # shouldn't get here |
537 |
|
return None |
538 |
|
|
539 |
def __ParseInput(self, value): |
def __ParseInput(self, value): |
540 |
"""Try to determine what kind of input value is |
"""Try to determine what kind of input value is |
541 |
(a single number or a range) |
(string, number, or range) |
542 |
|
|
543 |
|
Returns a tuple (type, data) where type is 0 if data is |
544 |
|
a singleton value, 1 if is a range or 2 if it is a pattern. |
545 |
""" |
""" |
546 |
|
|
547 |
# |
type = self.fieldType |
548 |
# first try to take the input as a single number |
|
549 |
# if there's an exception try to break it into |
if type == FIELDTYPE_STRING: |
550 |
# a range seperated by a '-'. take care to ignore |
# Approach: if we can compile the value as an expression, |
551 |
# a leading '-' as that could be for a negative number. |
# make it a pattern, else a singleton. |
552 |
# then try to parse the individual parts. if there |
# This is quite crude, however I don't have a better idea: |
553 |
# is an exception here, let it pass up to the calling |
# How to distinct the singleton "Thuban" from the pattern "Thuban"? |
554 |
# function. |
try: |
555 |
# |
re.compile(value) |
556 |
try: |
except: |
557 |
return (Str2Num(value)) |
return (0, value) |
558 |
except: |
else: |
559 |
i = value.find('-') |
return (2, value) |
560 |
if i == 0: |
elif type in (FIELDTYPE_INT, FIELDTYPE_DOUBLE): |
561 |
i = value.find('-', 1) |
if type == FIELDTYPE_INT: |
562 |
|
# the float call allows the user to enter 1.0 for 1 |
563 |
|
conv = lambda p: int(float(p)) |
564 |
|
else: |
565 |
|
conv = float |
566 |
|
|
567 |
|
# |
568 |
|
# first try to take the input as a single number |
569 |
|
# if there's an exception try to break it into |
570 |
|
# a range. if there is an exception here, let it |
571 |
|
# pass up to the calling function. |
572 |
|
# |
573 |
|
try: |
574 |
|
return (0, conv(value)) |
575 |
|
except ValueError: |
576 |
|
return (1, Range(value)) |
577 |
|
|
578 |
return (Str2Num(value[:i]), Str2Num(value[i+1:])) |
assert False # shouldn't get here |
579 |
|
return (0,None) |
580 |
|
|
581 |
def SetValueAsCustom(self, row, col, typeName, value): |
def SetValueAsCustom(self, row, col, typeName, value): |
582 |
data = self.tdata[row][COL_VISUAL] |
"""Set the cell specified by 'row' and 'col' to 'value'. |
583 |
|
|
584 |
if col == COL_VISUAL: |
If column represents the value column, the input is parsed |
585 |
self.tdata[row][COL_VISUAL] = value |
to determine if a string, number, or range was entered. |
586 |
elif col == COL_VALUE: |
A new ClassGroup may be created if the type of data changes. |
|
if row != 0: # DefaultData row |
|
587 |
|
|
588 |
if isinstance(data, ClassGroupMap): |
The table is considered modified after this operation. |
|
# something special |
|
|
pass |
|
|
else: # POINT, RANGE |
|
|
try: |
|
|
dataInfo = self.__ParseInput(value) |
|
|
except: pass |
|
|
# bad input, ignore the request |
|
|
else: |
|
589 |
|
|
590 |
if len(dataInfo) == 1: |
typeName -- unused, but needed to overload wxPyGridTableBase |
591 |
if not isinstance(data, ClassGroupSingleton): |
""" |
|
ndata = ClassGroupSingleton(prop = data) |
|
|
ndata.SetValue(dataInfo[1]) |
|
|
elif len(dataInfo) == 2: |
|
|
if not isinstance(data, ClassGroupRange): |
|
|
data = ClassDataRange(classData = data) |
|
|
data.SetRange(dataInfo[1], dataInfo[2]) |
|
592 |
|
|
593 |
ndata.SetLabel(data.GetLabel()) |
assert 0 <= col < self.GetNumberCols() |
594 |
self.__SetRow(row, ndata) |
assert 0 <= row < self.GetNumberRows() |
595 |
|
|
596 |
#self.tdata[row][COL_VISUAL] = data |
if row == 0: |
597 |
|
group = self.clazz.GetDefaultGroup() |
598 |
|
else: |
599 |
|
group = self.clazz.GetGroup(row - 1) |
600 |
|
|
601 |
self.GetView().Refresh() |
mod = True # assume the data will change |
602 |
|
|
603 |
|
if col == COL_VISIBLE: |
604 |
|
group.SetVisible(value) |
605 |
|
elif col == COL_SYMBOL: |
606 |
|
group.SetProperties(value) |
607 |
elif col == COL_LABEL: |
elif col == COL_LABEL: |
608 |
data.SetLabel(value) |
group.SetLabel(value) |
609 |
self.tdata[row][COL_LABEL] = data.GetLabel() |
elif col == COL_VALUE: |
610 |
|
if isinstance(group, ClassGroupDefault): |
611 |
|
# not allowed to modify the default value |
612 |
|
pass |
613 |
|
elif isinstance(group, ClassGroupMap): |
614 |
|
# something special |
615 |
|
pass |
616 |
|
else: # SINGLETON, RANGE |
617 |
|
try: |
618 |
|
dataInfo = self.__ParseInput(value) |
619 |
|
except ValueError: |
620 |
|
# bad input, ignore the request |
621 |
|
mod = False |
622 |
|
else: |
623 |
|
|
624 |
|
changed = False |
625 |
|
ngroup = group |
626 |
|
props = group.GetProperties() |
627 |
|
|
628 |
|
# |
629 |
|
# try to update the values, which may include |
630 |
|
# changing the underlying group type if the |
631 |
|
# group was a singleton and a range was entered |
632 |
|
# |
633 |
|
if dataInfo[0] == 0: |
634 |
|
if not isinstance(group, ClassGroupSingleton): |
635 |
|
ngroup = ClassGroupSingleton(props = props) |
636 |
|
changed = True |
637 |
|
ngroup.SetValue(dataInfo[1]) |
638 |
|
elif dataInfo[0] == 1: |
639 |
|
if not isinstance(group, ClassGroupRange): |
640 |
|
ngroup = ClassGroupRange(props = props) |
641 |
|
changed = True |
642 |
|
ngroup.SetRange(dataInfo[1]) |
643 |
|
elif dataInfo[0] == 2: |
644 |
|
if not isinstance(group, ClassGroupPattern): |
645 |
|
ngroup = ClassGroupPattern(props = props) |
646 |
|
changed = True |
647 |
|
ngroup.SetPattern(dataInfo[1]) |
648 |
|
else: |
649 |
|
assert False |
650 |
|
pass |
651 |
|
|
652 |
|
if changed: |
653 |
|
ngroup.SetLabel(group.GetLabel()) |
654 |
|
self.SetClassGroup(row, ngroup) |
655 |
else: |
else: |
656 |
raise ValueError(_("Invalid column request")) |
assert False # shouldn't be here |
657 |
|
pass |
658 |
|
|
659 |
self.__Modified() |
if mod: |
660 |
|
self.__Modified() |
661 |
|
self.GetView().Refresh() |
662 |
|
|
663 |
def GetAttr(self, row, col, someExtraParameter): |
def GetAttr(self, row, col, someExtraParameter): |
664 |
attr = wxGridCellAttr() |
"""Returns the cell attributes""" |
|
#attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter) |
|
|
|
|
|
if col == COL_VISUAL: |
|
|
attr.SetRenderer(ClassRenderer(self.shapeType)) |
|
|
attr.SetReadOnly() |
|
665 |
|
|
666 |
return attr |
return self.__colAttr.get(col, wxGridCellAttr()).Clone() |
667 |
|
|
668 |
def GetClassGroup(self, row): |
def GetClassGroup(self, row): |
669 |
return self.tdata[row][COL_VISUAL] |
"""Return the ClassGroup object representing row 'row'.""" |
670 |
|
|
671 |
|
#return self.GetValueAsCustom(row, COL_SYMBOL, None) |
672 |
|
if row == 0: |
673 |
|
return self.clazz.GetDefaultGroup() |
674 |
|
else: |
675 |
|
return self.clazz.GetGroup(row - 1) |
676 |
|
|
677 |
def __Modified(self): |
def SetClassGroup(self, row, group): |
678 |
self.modified = 1 |
"""Set the given row to properties of group.""" |
679 |
|
self.__SetRow(row, group) |
680 |
|
self.GetView().Refresh() |
681 |
|
|
682 |
|
def __Modified(self, mod = True): |
683 |
|
"""Adjust the modified flag. |
684 |
|
|
685 |
|
mod -- if -1 set the modified flag to False, otherwise perform |
686 |
|
an 'or' operation with the current value of the flag and |
687 |
|
'mod' |
688 |
|
""" |
689 |
|
|
690 |
|
if mod == -1: |
691 |
|
self.modified = False |
692 |
|
else: |
693 |
|
self.modified = mod or self.modified |
694 |
|
|
695 |
def IsModified(self): |
def IsModified(self): |
696 |
|
"""True if this table is considered modified.""" |
697 |
return self.modified |
return self.modified |
698 |
|
|
699 |
def AddNewDataRow(self): |
def DeleteRows(self, pos, numRows = 1): |
700 |
np = ClassDataPoint() |
"""Deletes 'numRows' beginning at row 'pos'. |
701 |
self.tdata.append([np, np.GetValue(), np.GetLabel()]) |
|
702 |
msg = wxGridTableMessage(self, wxGRIDTABLE_NOTIFY_ROWS_APPENDED, 1) |
The row representing the default group is not removed. |
|
self.GetView().ProcessTableMessage(msg) |
|
|
self.GetView().Refresh() |
|
703 |
|
|
704 |
class Classifier(wxDialog): |
The table is considered modified if any rows are removed. |
705 |
|
""" |
706 |
|
|
707 |
|
assert pos >= 0 |
708 |
|
old_len = self.GetNumberRows() |
709 |
|
for row in range(pos, pos - numRows, -1): |
710 |
|
group = self.GetClassGroup(row) |
711 |
|
if row != 0: |
712 |
|
self.clazz.RemoveGroup(row - 1) |
713 |
|
self.__Modified() |
714 |
|
|
715 |
def __init__(self, parent, layer): |
if self.IsModified(): |
716 |
wxDialog.__init__(self, parent, -1, _("Classify"), |
self.__NotifyRowChanges(old_len, self.GetNumberRows()) |
|
style = wxRESIZE_BORDER) |
|
717 |
|
|
718 |
self.layer = layer |
def AppendRows(self, numRows = 1): |
719 |
|
"""Append 'numRows' empty rows to the end of the table. |
720 |
|
|
721 |
topBox = wxBoxSizer(wxVERTICAL) |
The table is considered modified if any rows are appended. |
722 |
|
""" |
723 |
|
|
724 |
topBox.Add(wxStaticText(self, -1, _("Layer: %s") % layer.Title()), |
old_len = self.GetNumberRows() |
725 |
0, wxALIGN_LEFT | wxBOTTOM, 4) |
for i in range(numRows): |
726 |
topBox.Add(wxStaticText(self, -1, _("Type: %s") % layer.ShapeType()), |
np = ClassGroupSingleton() |
727 |
0, wxALIGN_LEFT | wxBOTTOM, 4) |
self.__SetRow(None, np) |
728 |
|
|
729 |
propertyBox = wxBoxSizer(wxHORIZONTAL) |
if self.IsModified(): |
730 |
propertyBox.Add(wxStaticText(self, -1, _("Property: ")), |
self.__NotifyRowChanges(old_len, self.GetNumberRows()) |
731 |
0, wxALIGN_CENTER | wxALL, 4) |
|
732 |
|
|
733 |
self.properties = wxComboBox(self, ID_PROPERTY_SELECT, "", |
ID_PROPERTY_REVERT = 4002 |
734 |
style = wxCB_READONLY) |
ID_PROPERTY_ADD = 4003 |
735 |
|
ID_PROPERTY_GENCLASS = 4004 |
736 |
self.num_cols = layer.table.field_count() |
ID_PROPERTY_REMOVE = 4005 |
737 |
# just assume the first field in case one hasn't been |
ID_PROPERTY_MOVEUP = 4006 |
738 |
# specified in the file. |
ID_PROPERTY_MOVEDOWN = 4007 |
739 |
self.__cur_prop = 0 |
ID_PROPERTY_TRY = 4008 |
740 |
field = layer.GetClassification().GetField() |
ID_PROPERTY_EDITSYM = 4009 |
741 |
for i in range(self.num_cols): |
ID_PROPERTY_SELECT = 4011 |
742 |
type, name, len, decc = layer.table.field_info(i) |
ID_PROPERTY_TITLE = 4012 |
743 |
if name == field: |
ID_PROPERTY_FIELDTEXT = 4013 |
744 |
self.__cur_prop = i |
|
745 |
self.properties.Append(name) |
BTN_ADD = 0 |
746 |
self.properties.SetClientData(i, None) |
BTN_EDIT = 1 |
747 |
|
BTN_GEN = 2 |
748 |
self.properties.SetSelection(self.__cur_prop) |
BTN_UP = 3 |
749 |
propertyBox.Add(self.properties, 1, wxGROW|wxALL, 0) |
BTN_DOWN = 4 |
750 |
EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self.OnPropertySelect) |
BTN_RM = 5 |
751 |
|
|
752 |
|
EB_LAYER_TITLE = 0 |
753 |
|
EB_SELECT_FIELD = 1 |
754 |
|
EB_GEN_CLASS = 2 |
755 |
|
|
756 |
|
class Classifier(LayerProperties): |
757 |
|
|
758 |
|
type2string = {None: _("None"), |
759 |
|
FIELDTYPE_STRING: _("Text"), |
760 |
|
FIELDTYPE_INT: _("Integer"), |
761 |
|
FIELDTYPE_DOUBLE: _("Decimal")} |
762 |
|
|
763 |
|
def __init__(self, parent, name, layer, group = None): |
764 |
|
"""Create a Properties/Classification dialog for a layer. |
765 |
|
The layer is part of map. If group is not None, select that |
766 |
|
group in the classification table. |
767 |
|
""" |
768 |
|
|
769 |
topBox.Add(propertyBox, 0, wxGROW, 4) |
LayerProperties.__init__(self, parent, name, layer) |
770 |
|
|
771 |
# |
self.layer.Subscribe(LAYER_SHAPESTORE_REPLACED, |
772 |
# Classification data table |
self.layer_shapestore_replaced) |
|
# |
|
773 |
|
|
774 |
controlBox = wxBoxSizer(wxHORIZONTAL) |
self.genDlg = None |
775 |
self.classGrid = ClassGrid(self, layer) |
self.group = group |
776 |
|
|
777 |
controlBox.Add(self.classGrid, 1, wxGROW, 0) |
LayerProperties.dialog_layout(self) |
778 |
|
|
779 |
|
def dialog_layout(self, panel, panelBox): |
780 |
|
|
781 |
|
if self.layer.HasClassification(): |
782 |
|
|
783 |
|
self.fieldTypeText = wxStaticText(panel, -1, "") |
784 |
|
|
785 |
|
self.originalClass = self.layer.GetClassification() |
786 |
|
self.originalClassField = self.layer.GetClassificationColumn() |
787 |
|
field = self.originalClassField |
788 |
|
fieldType = self.layer.GetFieldType(field) |
789 |
|
|
790 |
|
table = self.layer.ShapeStore().Table() |
791 |
|
# |
792 |
|
# make field choice box |
793 |
|
# |
794 |
|
self.fields = wxChoice(panel, ID_PROPERTY_SELECT,) |
795 |
|
|
796 |
|
self.num_cols = table.NumColumns() |
797 |
|
# just assume the first field in case one hasn't been |
798 |
|
# specified in the file. |
799 |
|
self.__cur_field = 0 |
800 |
|
|
801 |
|
self.fields.Append("<None>") |
802 |
|
|
803 |
|
if fieldType is None: |
804 |
|
self.fields.SetClientData(0, copy.deepcopy(self.originalClass)) |
805 |
|
else: |
806 |
|
self.fields.SetClientData(0, None) |
807 |
|
|
808 |
|
for i in range(self.num_cols): |
809 |
|
name = table.Column(i).name |
810 |
|
self.fields.Append(name) |
811 |
|
|
812 |
|
if name == field: |
813 |
|
self.__cur_field = i + 1 |
814 |
|
self.fields.SetClientData(i + 1, |
815 |
|
copy.deepcopy(self.originalClass)) |
816 |
|
else: |
817 |
|
self.fields.SetClientData(i + 1, None) |
818 |
|
|
819 |
|
button_gen = wxButton(panel, ID_PROPERTY_GENCLASS, |
820 |
|
_("Generate Class")) |
821 |
|
button_add = wxButton(panel, ID_PROPERTY_ADD, |
822 |
|
_("Add")) |
823 |
|
button_moveup = wxButton(panel, ID_PROPERTY_MOVEUP, |
824 |
|
_("Move Up")) |
825 |
|
button_movedown = wxButton(panel, ID_PROPERTY_MOVEDOWN, |
826 |
|
_("Move Down")) |
827 |
|
button_edit = wxButton(panel, ID_PROPERTY_EDITSYM, |
828 |
|
_("Edit Symbol")) |
829 |
|
button_remove = wxButton(panel, ID_PROPERTY_REMOVE, |
830 |
|
_("Remove")) |
831 |
|
|
832 |
|
self.classGrid = ClassGrid(panel, self) |
833 |
|
|
834 |
|
# calling __SelectField after creating the classGrid fills in the |
835 |
|
# grid with the correct information |
836 |
|
self.fields.SetSelection(self.__cur_field) |
837 |
|
self.__SelectField(self.__cur_field, group = self.group) |
838 |
|
|
839 |
|
|
840 |
|
classBox = wxStaticBoxSizer( |
841 |
|
wxStaticBox(panel, -1, _("Classification")), wxVERTICAL) |
842 |
|
|
843 |
|
|
844 |
|
sizer = wxBoxSizer(wxHORIZONTAL) |
845 |
|
sizer.Add(wxStaticText(panel, ID_PROPERTY_FIELDTEXT, _("Field: ")), |
846 |
|
0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4) |
847 |
|
sizer.Add(self.fields, 1, wxGROW | wxALL, 4) |
848 |
|
|
849 |
|
classBox.Add(sizer, 0, wxGROW, 4) |
850 |
|
|
851 |
|
classBox.Add(self.fieldTypeText, 0, |
852 |
|
wxGROW | wxALIGN_LEFT | wxALL | wxADJUST_MINSIZE, 4) |
853 |
|
|
854 |
|
controlBox = wxBoxSizer(wxHORIZONTAL) |
855 |
|
controlButtonBox = wxBoxSizer(wxVERTICAL) |
856 |
|
|
857 |
|
controlButtonBox.Add(button_gen, 0, wxGROW|wxALL, 4) |
858 |
|
controlButtonBox.Add(button_add, 0, wxGROW|wxALL, 4) |
859 |
|
controlButtonBox.Add(button_moveup, 0, wxGROW|wxALL, 4) |
860 |
|
controlButtonBox.Add(button_movedown, 0, wxGROW|wxALL, 4) |
861 |
|
controlButtonBox.Add(button_edit, 0, wxGROW|wxALL, 4) |
862 |
|
controlButtonBox.Add( (60, 20), 0, wxGROW|wxALL|wxALIGN_BOTTOM, 4) |
863 |
|
controlButtonBox.Add(button_remove, 0, |
864 |
|
wxGROW|wxALL|wxALIGN_BOTTOM, 4) |
865 |
|
|
866 |
|
controlBox.Add(self.classGrid, 1, wxGROW, 0) |
867 |
|
controlBox.Add(controlButtonBox, 0, wxGROW, 10) |
868 |
|
|
869 |
|
classBox.Add(controlBox, 1, wxGROW, 10) |
870 |
|
panelBox.Add(classBox, 1, wxGROW, 0) |
871 |
|
|
872 |
|
|
873 |
|
EVT_CHOICE(self, ID_PROPERTY_SELECT, self._OnFieldSelect) |
874 |
|
EVT_BUTTON(self, ID_PROPERTY_ADD, self._OnAdd) |
875 |
|
EVT_BUTTON(self, ID_PROPERTY_EDITSYM, self._OnEditSymbol) |
876 |
|
EVT_BUTTON(self, ID_PROPERTY_REMOVE, self._OnRemove) |
877 |
|
EVT_BUTTON(self, ID_PROPERTY_GENCLASS, self._OnGenClass) |
878 |
|
EVT_BUTTON(self, ID_PROPERTY_MOVEUP, self._OnMoveUp) |
879 |
|
EVT_BUTTON(self, ID_PROPERTY_MOVEDOWN, self._OnMoveDown) |
880 |
|
|
881 |
|
def unsubscribe_messages(self): |
882 |
|
"""Unsubscribe from all messages.""" |
883 |
|
LayerProperties.unsubscribe_messages(self) |
884 |
|
self.layer.Unsubscribe(LAYER_SHAPESTORE_REPLACED, |
885 |
|
self.layer_shapestore_replaced) |
886 |
|
|
887 |
|
def layer_shapestore_replaced(self, *args): |
888 |
|
"""Subscribed to the map's LAYER_SHAPESTORE_REPLACED message. |
889 |
|
Close self. |
890 |
|
""" |
891 |
|
self.Close() |
892 |
|
|
893 |
controlButtonBox = wxBoxSizer(wxVERTICAL) |
def EditSymbol(self, row): |
894 |
controlButtonBox.Add(wxButton(self, ID_CLASSIFY_ADD, |
"""Open up a dialog where the user can select the properties |
895 |
_("Add")), 0, wxGROW | wxALL, 4) |
for a group. |
896 |
controlButtonBox.Add(wxButton(self, ID_CLASSIFY_GENRANGE, |
""" |
897 |
_("Generate Ranges")), 0, wxGROW | wxALL, 4) |
table = self.classGrid.GetTable() |
898 |
|
prop = table.GetValueAsCustom(row, COL_SYMBOL, None) |
|
controlBox.Add(controlButtonBox, 0, wxGROW, 10) |
|
|
topBox.Add(controlBox, 1, wxGROW, 10) |
|
|
|
|
|
EVT_BUTTON(self, ID_CLASSIFY_ADD, self.OnAdd) |
|
|
EVT_BUTTON(self, ID_CLASSIFY_GENRANGE, self.OnGenRange) |
|
|
EVT_GRID_CELL_LEFT_DCLICK(self.classGrid, self.OnCellDClick) |
|
899 |
|
|
900 |
# |
# get a new ClassGroupProperties object and copy the |
901 |
# Control buttons: |
# values over to our current object |
902 |
# |
propDlg = SelectPropertiesDialog(self, prop, self.layer.ShapeType()) |
903 |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
|
904 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")), |
self.Enable(False) |
905 |
0, wxALL, 4) |
if propDlg.ShowModal() == wxID_OK: |
906 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")), |
new_prop = propDlg.GetClassGroupProperties() |
907 |
0, wxALL, 4) |
table.SetValueAsCustom(row, COL_SYMBOL, None, new_prop) |
908 |
topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10) |
self.Enable(True) |
909 |
|
propDlg.Destroy() |
910 |
|
|
911 |
|
def _SetClassification(self, clazz): |
912 |
|
"""Called from the ClassGen dialog when a new classification has |
913 |
|
been created and should be set in the table. |
914 |
|
""" |
915 |
|
# FIXME: This could be implemented using a message |
916 |
|
|
917 |
EVT_BUTTON(self, ID_CLASSIFY_OK, self.OnOK) |
self.fields.SetClientData(self.__cur_field, clazz) |
918 |
EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self.OnCancel) |
self.classGrid.GetTable().SetClassification(clazz) |
919 |
|
|
920 |
self.SetAutoLayout(true) |
def __BuildClassification(self, fieldIndex, copyClass=False, force=False): |
921 |
self.SetSizer(topBox) |
"""Pack the classification setting into a Classification object. |
922 |
topBox.Fit(self) |
Returns (Classification, fieldName) where fieldName is the selected |
923 |
topBox.SetSizeHints(self) |
field in the table that the classification should be used with. |
924 |
|
""" |
925 |
|
|
926 |
def __BuildClassification(self, prop): |
# numRows = self.classGrid.GetNumberRows() |
927 |
|
# assert numRows > 0 # there should always be a default row |
928 |
|
|
929 |
clazz = Classification() |
if fieldIndex == 0: |
930 |
clazz.SetField(self.properties.GetStringSelection()) |
fieldName = None |
931 |
|
fieldType = None |
932 |
|
else: |
933 |
|
fieldName = self.fields.GetString(fieldIndex) |
934 |
|
fieldType = self.layer.GetFieldType(fieldName) |
935 |
|
|
936 |
numRows = self.classGrid.GetNumberRows() |
clazz = self.fields.GetClientData(fieldIndex) |
937 |
|
if clazz is None or self.classGrid.GetTable().IsModified() or force: |
938 |
|
clazz = self.classGrid.GetTable().GetClassification() |
939 |
|
if copyClass: |
940 |
|
clazz = copy.deepcopy(clazz) |
941 |
|
|
942 |
|
return clazz, fieldName |
943 |
|
|
944 |
|
def __SetGridTable(self, fieldIndex, group = None): |
945 |
|
"""Set the table with the classification associated with the |
946 |
|
selected field at fieldIndex. Select the specified group |
947 |
|
if group is not None. |
948 |
|
""" |
949 |
|
|
950 |
if numRows > 0: |
clazz = self.fields.GetClientData(fieldIndex) |
951 |
table = self.classGrid.GetTable() |
|
952 |
clazz.SetDefaultGroup(table.GetClassGroup(0)) |
if clazz is None: |
953 |
|
clazz = Classification() |
954 |
|
clazz.SetDefaultGroup( |
955 |
|
ClassGroupDefault( |
956 |
|
self.layer.GetClassification(). |
957 |
|
GetDefaultGroup().GetProperties())) |
958 |
|
|
959 |
|
fieldName = self.fields.GetString(fieldIndex) |
960 |
|
fieldType = self.layer.GetFieldType(fieldName) |
961 |
|
|
962 |
|
self.classGrid.CreateTable(clazz, fieldType, |
963 |
|
self.layer.ShapeType(), group) |
964 |
|
|
965 |
|
def __SetFieldTypeText(self, fieldIndex): |
966 |
|
"""Set the field type string using the data type of the field |
967 |
|
at fieldIndex. |
968 |
|
""" |
969 |
|
fieldName = self.fields.GetString(fieldIndex) |
970 |
|
fieldType = self.layer.GetFieldType(fieldName) |
971 |
|
|
972 |
for i in range(1, numRows): |
assert Classifier.type2string.has_key(fieldType) |
|
clazz.AddGroup(table.GetClassGroup(i)) |
|
973 |
|
|
974 |
return clazz |
text = Classifier.type2string[fieldType] |
975 |
|
|
976 |
def OnPropertySelect(self, event): |
self.fieldTypeText.SetLabel(_("Data Type: %s") % text) |
|
self.properties.SetClientData( |
|
|
self.__cur_prop, self.__BuildClassification(self.__cur_prop)) |
|
977 |
|
|
978 |
self.__cur_prop = self.properties.GetSelection() |
def __SelectField(self, newIndex, oldIndex = -1, group = None): |
979 |
clazz = self.properties.GetClientData(self.__cur_prop) |
"""This method assumes that the current selection for the |
980 |
table = self.classGrid.GetTable() |
combo has already been set by a call to SetSelection(). |
981 |
|
""" |
982 |
|
|
983 |
table.Reset(clazz, self.layer.ShapeType()) |
assert oldIndex >= -1 |
984 |
|
|
985 |
def OnOK(self, event): |
if oldIndex != -1: |
986 |
|
clazz, name = self.__BuildClassification(oldIndex, force = True) |
987 |
|
self.fields.SetClientData(oldIndex, clazz) |
988 |
|
|
989 |
|
self.__SetGridTable(newIndex, group) |
990 |
|
|
991 |
|
self.__EnableButtons(EB_SELECT_FIELD) |
992 |
|
|
993 |
|
self.__SetFieldTypeText(newIndex) |
994 |
|
|
995 |
|
def __SetTitle(self, title): |
996 |
|
"""Set the title of the dialog.""" |
997 |
|
if title != "": |
998 |
|
title = ": " + title |
999 |
|
|
1000 |
|
self.SetTitle(_("Layer Properties") + title) |
1001 |
|
|
1002 |
|
def _OnEditSymbol(self, event): |
1003 |
|
"""Open up a dialog for the user to select group properties.""" |
1004 |
|
sel = self.classGrid.GetCurrentSelection() |
1005 |
|
|
1006 |
|
if len(sel) == 1: |
1007 |
|
self.EditSymbol(sel[0]) |
1008 |
|
|
1009 |
|
def _OnFieldSelect(self, event): |
1010 |
|
index = self.fields.GetSelection() |
1011 |
|
self.__SelectField(index, self.__cur_field) |
1012 |
|
self.__cur_field = index |
1013 |
|
|
1014 |
|
def OnTry(self, event): |
1015 |
"""Put the data from the table into a new Classification and hand |
"""Put the data from the table into a new Classification and hand |
1016 |
it to the layer. |
it to the layer. |
1017 |
""" |
""" |
1018 |
|
|
1019 |
clazz = self.properties.GetClientData(self.__cur_prop) |
if self.layer.HasClassification(): |
1020 |
|
clazz = self.fields.GetClientData(self.__cur_field) |
1021 |
|
|
1022 |
# |
# |
1023 |
# only build the classification if there wasn't one to |
# only build the classification if there wasn't one to |
1024 |
# to begin with or it has been modified |
# to begin with or it has been modified |
1025 |
# |
# |
1026 |
if clazz is None or self.classGrid.GetTable().IsModified(): |
self.classGrid.SaveEditControlValue() |
1027 |
clazz = self.__BuildClassification(self.__cur_prop) |
clazz, name = self.__BuildClassification(self.__cur_field, True) |
1028 |
|
|
1029 |
clazz.SetLayer(self.layer) |
self.layer.SetClassificationColumn(name) |
1030 |
|
self.layer.SetClassification(clazz) |
1031 |
|
|
1032 |
self.layer.SetClassification(clazz) |
self.haveApplied = True |
1033 |
|
|
1034 |
self.EndModal(wxID_OK) |
def OnOK(self, event): |
1035 |
|
self.OnTry(event) |
1036 |
|
self.Close() |
1037 |
|
|
1038 |
def OnCancel(self, event): |
def OnRevert(self, event): |
1039 |
"""Do nothing. The layer's current classification stays the same.""" |
"""The layer's current classification stays the same.""" |
1040 |
self.EndModal(wxID_CANCEL) |
if self.haveApplied and self.layer.HasClassification(): |
1041 |
|
self.layer.SetClassificationColumn(self.originalClassField) |
1042 |
|
self.layer.SetClassification(self.originalClass) |
1043 |
|
|
1044 |
|
#self.Close() |
1045 |
|
|
1046 |
def OnAdd(self, event): |
def _OnAdd(self, event): |
1047 |
self.classGrid.GetTable().AddNewDataRow() |
self.classGrid.AppendRows() |
|
print "Classifier.OnAdd()" |
|
1048 |
|
|
1049 |
def OnGenRange(self, event): |
def _OnRemove(self, event): |
1050 |
print "Classifier.OnGenRange()" |
self.classGrid.DeleteSelectedRows() |
1051 |
|
|
1052 |
def OnCellDClick(self, event): |
def _OnGenClass(self, event): |
1053 |
r = event.GetRow() |
"""Open up a dialog for the user to generate classifications.""" |
1054 |
c = event.GetCol() |
|
1055 |
if c == COL_VISUAL: |
self.genDlg = ClassGenDialog(self, self.layer, |
1056 |
# XXX: getting the properties is only possible with non-Maps!!! |
self.fields.GetString(self.__cur_field)) |
1057 |
group = self.classGrid.GetTable().GetValueAsCustom(r, c, None) |
|
1058 |
prop = group.GetProperties() |
EVT_CLOSE(self.genDlg, self._OnGenDialogClose) |
1059 |
propDlg = SelectPropertiesDialog(NULL, prop, self.layer.ShapeType()) |
|
1060 |
if propDlg.ShowModal() == wxID_OK: |
self.__EnableButtons(EB_GEN_CLASS) |
1061 |
new_prop = propDlg.GetClassGroupProperties() |
|
1062 |
prop.SetStroke(new_prop.GetStroke()) |
self.genDlg.Show() |
1063 |
prop.SetStrokeWidth(new_prop.GetStrokeWidth()) |
|
1064 |
prop.SetFill(new_prop.GetFill()) |
def _OnGenDialogClose(self, event): |
1065 |
self.classGrid.Refresh() |
"""Reenable buttons after the generate classification |
1066 |
propDlg.Destroy() |
dialog is closed. |
1067 |
|
""" |
1068 |
|
self.genDlg.Destroy() |
1069 |
ID_SELPROP_OK = 4001 |
self.genDlg = None |
1070 |
ID_SELPROP_CANCEL = 4002 |
self.__EnableButtons(EB_GEN_CLASS) |
1071 |
ID_SELPROP_SPINCTRL = 4002 |
|
1072 |
|
def _OnMoveUp(self, event): |
1073 |
|
"""When the user clicks MoveUp, try to move a group up one row.""" |
1074 |
|
sel = self.classGrid.GetCurrentSelection() |
1075 |
|
|
1076 |
|
if len(sel) == 1: |
1077 |
|
i = sel[0] |
1078 |
|
if i > 1: |
1079 |
|
table = self.classGrid.GetTable() |
1080 |
|
x = table.GetClassGroup(i - 1) |
1081 |
|
y = table.GetClassGroup(i) |
1082 |
|
table.SetClassGroup(i - 1, y) |
1083 |
|
table.SetClassGroup(i, x) |
1084 |
|
self.classGrid.ClearSelection() |
1085 |
|
self.classGrid.SelectRow(i - 1) |
1086 |
|
self.classGrid.MakeCellVisible(i - 1, 0) |
1087 |
|
|
1088 |
|
def _OnMoveDown(self, event): |
1089 |
|
"""When the user clicks MoveDown, try to move a group down one row.""" |
1090 |
|
sel = self.classGrid.GetCurrentSelection() |
1091 |
|
|
1092 |
|
if len(sel) == 1: |
1093 |
|
i = sel[0] |
1094 |
|
table = self.classGrid.GetTable() |
1095 |
|
if 0 < i < table.GetNumberRows() - 1: |
1096 |
|
x = table.GetClassGroup(i) |
1097 |
|
y = table.GetClassGroup(i + 1) |
1098 |
|
table.SetClassGroup(i, y) |
1099 |
|
table.SetClassGroup(i + 1, x) |
1100 |
|
self.classGrid.ClearSelection() |
1101 |
|
self.classGrid.SelectRow(i + 1) |
1102 |
|
self.classGrid.MakeCellVisible(i + 1, 0) |
1103 |
|
|
1104 |
|
def _OnTitleChanged(self, event): |
1105 |
|
"""Update the dialog title when the user changed the layer name.""" |
1106 |
|
obj = event.GetEventObject() |
1107 |
|
|
1108 |
|
self.layer.SetTitle(obj.GetValue()) |
1109 |
|
self.__SetTitle(self.layer.Title()) |
1110 |
|
|
1111 |
|
self.__EnableButtons(EB_LAYER_TITLE) |
1112 |
|
|
1113 |
|
def __EnableButtons(self, case): |
1114 |
|
"""Helper method that enables/disables the appropriate buttons |
1115 |
|
based on the case provided. Cases are constants beginning with EB_. |
1116 |
|
""" |
1117 |
|
|
1118 |
|
list = {wxID_OK : True, |
1119 |
|
wxID_CANCEL : True, |
1120 |
|
ID_PROPERTY_ADD : True, |
1121 |
|
ID_PROPERTY_MOVEUP : True, |
1122 |
|
ID_PROPERTY_MOVEDOWN : True, |
1123 |
|
ID_PROPERTY_REMOVE : True, |
1124 |
|
ID_PROPERTY_SELECT : True, |
1125 |
|
ID_PROPERTY_FIELDTEXT : True, |
1126 |
|
ID_PROPERTY_GENCLASS : True, |
1127 |
|
ID_PROPERTY_EDITSYM : True} |
1128 |
|
|
1129 |
|
if case == EB_LAYER_TITLE: |
1130 |
|
if self.layer.Title() == "": |
1131 |
|
list[wxID_OK] = False |
1132 |
|
list[wxID_CANCEL] = False |
1133 |
|
|
1134 |
|
elif case == EB_SELECT_FIELD: |
1135 |
|
if self.fields.GetSelection() == 0: |
1136 |
|
list[ID_PROPERTY_GENCLASS] = False |
1137 |
|
list[ID_PROPERTY_ADD] = False |
1138 |
|
list[ID_PROPERTY_MOVEUP] = False |
1139 |
|
list[ID_PROPERTY_MOVEDOWN] = False |
1140 |
|
list[ID_PROPERTY_REMOVE] = False |
1141 |
|
|
1142 |
|
elif case == EB_GEN_CLASS: |
1143 |
|
if self.genDlg is not None: |
1144 |
|
list[ID_PROPERTY_SELECT] = False |
1145 |
|
list[ID_PROPERTY_FIELDTEXT] = False |
1146 |
|
list[ID_PROPERTY_GENCLASS] = False |
1147 |
|
|
1148 |
|
for id, enable in list.items(): |
1149 |
|
win = self.FindWindowById(id) |
1150 |
|
if win: |
1151 |
|
win.Enable(enable) |
1152 |
|
|
1153 |
|
ID_SELPROP_SPINCTRL_LINEWIDTH = 4002 |
1154 |
ID_SELPROP_PREVIEW = 4003 |
ID_SELPROP_PREVIEW = 4003 |
1155 |
ID_SELPROP_STROKECLR = 4004 |
ID_SELPROP_STROKECLR = 4004 |
1156 |
ID_SELPROP_FILLCLR = 4005 |
ID_SELPROP_FILLCLR = 4005 |
1157 |
|
ID_SELPROP_STROKECLRTRANS = 4006 |
1158 |
|
ID_SELPROP_FILLCLRTRANS = 4007 |
1159 |
|
ID_SELPROP_SPINCTRL_SIZE = 4008 |
1160 |
|
|
1161 |
class SelectPropertiesDialog(wxDialog): |
class SelectPropertiesDialog(wxDialog): |
1162 |
|
"""Dialog that allows the user to select group properties.""" |
1163 |
|
|
1164 |
def __init__(self, parent, prop, shapeType): |
def __init__(self, parent, prop, shapeType): |
1165 |
|
"""Open the dialog with the initial prop properties and shapeType.""" |
1166 |
|
|
1167 |
wxDialog.__init__(self, parent, -1, _("Select Properties"), |
wxDialog.__init__(self, parent, -1, _("Select Properties"), |
1168 |
style = wxRESIZE_BORDER) |
style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER) |
1169 |
|
|
1170 |
self.prop = ClassGroupProperties(prop) |
self.prop = ClassGroupProperties(prop) |
1171 |
|
|
1177 |
previewBox = wxBoxSizer(wxVERTICAL) |
previewBox = wxBoxSizer(wxVERTICAL) |
1178 |
previewBox.Add(wxStaticText(self, -1, _("Preview:")), |
previewBox.Add(wxStaticText(self, -1, _("Preview:")), |
1179 |
0, wxALIGN_LEFT | wxALL, 4) |
0, wxALIGN_LEFT | wxALL, 4) |
1180 |
self.previewer = ClassDataPreviewer(None, self.prop, shapeType, |
|
1181 |
self, ID_SELPROP_PREVIEW, (40, 40)) |
self.previewWin = ClassGroupPropertiesCtrl( |
1182 |
previewBox.Add(self.previewer, 1, wxGROW, 15) |
self, ID_SELPROP_PREVIEW, self.prop, shapeType, |
1183 |
|
(40, 40), wxSIMPLE_BORDER) |
1184 |
|
|
1185 |
|
self.previewWin.AllowEdit(False) |
1186 |
|
|
1187 |
|
previewBox.Add(self.previewWin, 1, wxGROW | wxALL, 4) |
1188 |
|
|
1189 |
itemBox.Add(previewBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0) |
itemBox.Add(previewBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0) |
1190 |
|
|
1191 |
# control box |
# control box |
1192 |
ctrlBox = wxBoxSizer(wxVERTICAL) |
ctrlBox = wxBoxSizer(wxVERTICAL) |
1193 |
ctrlBox.Add( |
|
1194 |
wxButton(self, ID_SELPROP_STROKECLR, "Change Stroke Color"), |
lineColorBox = wxBoxSizer(wxHORIZONTAL) |
1195 |
0, wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4) |
button = wxButton(self, ID_SELPROP_STROKECLR, _("Change Line Color")) |
1196 |
EVT_BUTTON(self, ID_SELPROP_STROKECLR, self.OnChangeStrokeColor) |
button.SetFocus() |
1197 |
|
lineColorBox.Add(button, 1, wxALL | wxGROW, 4) |
1198 |
|
EVT_BUTTON(self, ID_SELPROP_STROKECLR, self._OnChangeLineColor) |
1199 |
|
|
1200 |
|
lineColorBox.Add( |
1201 |
|
wxButton(self, ID_SELPROP_STROKECLRTRANS, _("Transparent")), |
1202 |
|
1, wxALL | wxGROW, 4) |
1203 |
|
EVT_BUTTON(self, ID_SELPROP_STROKECLRTRANS, |
1204 |
|
self._OnChangeLineColorTrans) |
1205 |
|
|
1206 |
|
ctrlBox.Add(lineColorBox, 0, |
1207 |
|
wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4) |
1208 |
|
|
1209 |
if shapeType != SHAPETYPE_ARC: |
if shapeType != SHAPETYPE_ARC: |
1210 |
ctrlBox.Add( |
fillColorBox = wxBoxSizer(wxHORIZONTAL) |
1211 |
wxButton(self, ID_SELPROP_FILLCLR, "Change Fill Color"), |
fillColorBox.Add( |
1212 |
0, wxALIGN_LEFT | wxALL | wxGROW, 4) |
wxButton(self, ID_SELPROP_FILLCLR, _("Change Fill Color")), |
1213 |
EVT_BUTTON(self, ID_SELPROP_FILLCLR, self.OnChangeFillColor) |
1, wxALL | wxGROW, 4) |
1214 |
|
EVT_BUTTON(self, ID_SELPROP_FILLCLR, self._OnChangeFillColor) |
1215 |
|
fillColorBox.Add( |
1216 |
|
wxButton(self, ID_SELPROP_FILLCLRTRANS, _("Transparent")), |
1217 |
|
1, wxALL | wxGROW, 4) |
1218 |
|
EVT_BUTTON(self, ID_SELPROP_FILLCLRTRANS, |
1219 |
|
self._OnChangeFillColorTrans) |
1220 |
|
ctrlBox.Add(fillColorBox, 0, |
1221 |
|
wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4) |
1222 |
|
|
1223 |
|
# Line width selection |
1224 |
spinBox = wxBoxSizer(wxHORIZONTAL) |
spinBox = wxBoxSizer(wxHORIZONTAL) |
1225 |
spinBox.Add(wxStaticText(self, -1, _("Stroke Width: ")), |
spinBox.Add(wxStaticText(self, -1, _("Line Width: ")), |
1226 |
0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4) |
0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4) |
1227 |
self.spinCtrl = wxSpinCtrl(self, ID_SELPROP_SPINCTRL, |
self.spinCtrl_linewidth = wxSpinCtrl(self, |
1228 |
min=1, max=10, |
ID_SELPROP_SPINCTRL_LINEWIDTH, |
1229 |
value=str(prop.GetStrokeWidth()), |
min=1, max=10, |
1230 |
initial=prop.GetStrokeWidth()) |
value=str(prop.GetLineWidth()), |
1231 |
|
initial=prop.GetLineWidth()) |
1232 |
|
|
1233 |
EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL, self.OnSpin) |
EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL_LINEWIDTH, |
1234 |
|
self._OnSpinLineWidth) |
|
spinBox.Add(self.spinCtrl, 0, wxALIGN_LEFT | wxALL, 4) |
|
1235 |
|
|
1236 |
|
spinBox.Add(self.spinCtrl_linewidth, 0, wxALIGN_LEFT | wxALL, 4) |
1237 |
ctrlBox.Add(spinBox, 0, wxALIGN_RIGHT | wxALL, 0) |
ctrlBox.Add(spinBox, 0, wxALIGN_RIGHT | wxALL, 0) |
1238 |
|
|
1239 |
|
# Size selection |
1240 |
|
if shapeType == SHAPETYPE_POINT: |
1241 |
|
spinBox = wxBoxSizer(wxHORIZONTAL) |
1242 |
|
spinBox.Add(wxStaticText(self, -1, _("Size: ")), |
1243 |
|
0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4) |
1244 |
|
self.spinCtrl_size = wxSpinCtrl(self, ID_SELPROP_SPINCTRL_SIZE, |
1245 |
|
min=1, max=100, |
1246 |
|
value=str(prop.GetSize()), |
1247 |
|
initial=prop.GetSize()) |
1248 |
|
|
1249 |
|
EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL_SIZE, self._OnSpinSize) |
1250 |
|
|
1251 |
|
spinBox.Add(self.spinCtrl_size, 0, wxALIGN_LEFT | wxALL, 4) |
1252 |
|
ctrlBox.Add(spinBox, 0, wxALIGN_RIGHT | wxALL, 0) |
1253 |
|
|
1254 |
|
|
1255 |
itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0) |
itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0) |
1256 |
topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0) |
topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0) |
1257 |
|
|
|
|
|
1258 |
# |
# |
1259 |
# Control buttons: |
# Control buttons: |
1260 |
# |
# |
1261 |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
1262 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")), |
button_ok = wxButton(self, wxID_OK, _("OK")) |
1263 |
0, wxALL, 4) |
buttonBox.Add(button_ok, 0, wxRIGHT|wxEXPAND, 10) |
1264 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")), |
buttonBox.Add(wxButton(self, wxID_CANCEL, _("Cancel")), |
1265 |
0, wxALL, 4) |
0, wxRIGHT|wxEXPAND, 10) |
1266 |
topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10) |
topBox.Add(buttonBox, 0, wxALIGN_RIGHT|wxBOTTOM|wxTOP, 10) |
1267 |
|
|
1268 |
EVT_BUTTON(self, ID_SELPROP_OK, self.OnOK) |
button_ok.SetDefault() |
1269 |
EVT_BUTTON(self, ID_SELPROP_CANCEL, self.OnCancel) |
|
1270 |
|
#EVT_BUTTON(self, wxID_OK, self._OnOK) |
1271 |
self.SetAutoLayout(true) |
#EVT_BUTTON(self, ID_SELPROP_CANCEL, self._OnCancel) |
1272 |
|
|
1273 |
|
self.SetAutoLayout(True) |
1274 |
self.SetSizer(topBox) |
self.SetSizer(topBox) |
1275 |
topBox.Fit(self) |
topBox.Fit(self) |
1276 |
topBox.SetSizeHints(self) |
topBox.SetSizeHints(self) |
1281 |
def OnCancel(self, event): |
def OnCancel(self, event): |
1282 |
self.EndModal(wxID_CANCEL) |
self.EndModal(wxID_CANCEL) |
1283 |
|
|
1284 |
def OnSpin(self, event): |
def _OnSpinLineWidth(self, event): |
1285 |
self.prop.SetStrokeWidth(self.spinCtrl.GetValue()) |
self.prop.SetLineWidth(self.spinCtrl_linewidth.GetValue()) |
1286 |
self.previewer.Refresh() |
self.previewWin.Refresh() |
1287 |
|
|
1288 |
|
def _OnSpinSize(self, event): |
1289 |
|
self.prop.SetSize(self.spinCtrl_size.GetValue()) |
1290 |
|
self.previewWin.Refresh() |
1291 |
|
|
1292 |
def __GetColor(self, cur): |
def __GetColor(self, cur): |
1293 |
dialog = wxColourDialog(self) |
dialog = ColorDialog(self) |
1294 |
dialog.GetColourData().SetColour(Color2wxColour(cur)) |
dialog.SetColor(cur) |
1295 |
|
|
1296 |
ret = None |
ret = None |
1297 |
if dialog.ShowModal() == wxID_OK: |
if dialog.ShowModal() == wxID_OK: |
1298 |
ret = wxColour2Color(dialog.GetColourData().GetColour()) |
ret = dialog.GetColor() |
1299 |
|
|
1300 |
dialog.Destroy() |
dialog.Destroy() |
1301 |
|
|
1302 |
return ret |
return ret |
1303 |
|
|
1304 |
def OnChangeStrokeColor(self, event): |
def _OnChangeLineColor(self, event): |
1305 |
clr = self.__GetColor(self.prop.GetStroke()) |
clr = self.__GetColor(self.prop.GetLineColor()) |
1306 |
if clr is not None: |
if clr is not None: |
1307 |
self.prop.SetStroke(clr) |
self.prop.SetLineColor(clr) |
1308 |
self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer |
self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer |
1309 |
|
|
1310 |
|
def _OnChangeLineColorTrans(self, event): |
1311 |
|
self.prop.SetLineColor(Transparent) |
1312 |
|
self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer |
1313 |
|
|
1314 |
def OnChangeFillColor(self, event): |
def _OnChangeFillColor(self, event): |
1315 |
clr = self.__GetColor(self.prop.GetFill()) |
clr = self.__GetColor(self.prop.GetFill()) |
1316 |
if clr is not None: |
if clr is not None: |
1317 |
self.prop.SetFill(clr) |
self.prop.SetFill(clr) |
1318 |
self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer |
self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer |
1319 |
|
|
1320 |
|
def _OnChangeFillColorTrans(self, event): |
1321 |
|
self.prop.SetFill(Transparent) |
1322 |
|
self.previewWin.Refresh() # XXX: work around, see ClassDataPreviewer |
1323 |
|
|
1324 |
def GetClassGroupProperties(self): |
def GetClassGroupProperties(self): |
1325 |
return self.prop |
return self.prop |
1326 |
|
|
1327 |
|
|
1328 |
class ClassDataPreviewer(wxWindow): |
class ClassDataPreviewWindow(wxWindow): |
1329 |
|
"""A custom window that draws group properties using the correct shape.""" |
1330 |
|
|
1331 |
def __init__(self, rect, prop, shapeType, |
def __init__(self, rect, prop, shapeType, |
1332 |
parent = None, id = -1, size = wxDefaultSize): |
parent = None, id = -1, size = wxDefaultSize): |
1333 |
|
"""Draws the appropriate shape as specified with shapeType using |
1334 |
|
prop properities. |
1335 |
|
""" |
1336 |
if parent is not None: |
if parent is not None: |
1337 |
wxWindow.__init__(self, parent, id, size=size) |
wxWindow.__init__(self, parent, id, (0, 0), size) |
1338 |
EVT_PAINT(self, self.OnPaint) |
EVT_PAINT(self, self._OnPaint) |
1339 |
|
|
1340 |
self.rect = rect |
self.rect = rect |
1341 |
|
|
1342 |
self.prop = prop |
self.prop = prop |
1343 |
self.shapeType = shapeType |
self.shapeType = shapeType |
1344 |
|
self.previewer = ClassDataPreviewer() |
1345 |
|
|
1346 |
|
def GetProperties(): |
1347 |
|
return self.prop |
1348 |
|
|
1349 |
def OnPaint(self, event): |
def _OnPaint(self, event): |
1350 |
dc = wxPaintDC(self) |
dc = wxPaintDC(self) |
1351 |
|
|
1352 |
# XXX: this doesn't seem to be having an effect: |
# XXX: this doesn't seem to be having an effect: |
1353 |
dc.DestroyClippingRegion() |
dc.DestroyClippingRegion() |
1354 |
|
|
1355 |
self.Draw(dc, None) |
if self.rect is None: |
1356 |
|
w, h = self.GetSize() |
1357 |
|
rect = wxRect(0, 0, w, h) |
1358 |
|
else: |
1359 |
|
rect = self.rect |
1360 |
|
|
1361 |
|
self.previewer.Draw(dc, rect, self.prop, self.shapeType) |
1362 |
|
|
1363 |
|
class ClassDataPreviewer: |
1364 |
|
"""Class that actually draws a group property preview.""" |
1365 |
|
|
1366 |
def Draw(self, dc, rect, prop = None, shapeType = None): |
def Draw(self, dc, rect, prop, shapeType): |
1367 |
|
"""Draw the property. |
1368 |
|
|
1369 |
|
returns: (w, h) as adapted extend if the drawing size |
1370 |
|
exceeded the given rect. This can only be the case |
1371 |
|
for point symbols. If the symbol fits the given rect, |
1372 |
|
None is returned. |
1373 |
|
""" |
1374 |
|
|
1375 |
if prop is None: prop = self.prop |
assert dc is not None |
1376 |
if shapeType is None: shapeType = self.shapeType |
assert isinstance(prop, ClassGroupProperties) |
1377 |
|
|
1378 |
if rect is None: |
if rect is None: |
1379 |
x = y = 0 |
x = 0 |
1380 |
w, h = self.GetClientSizeTuple() |
y = 0 |
1381 |
|
w, h = dc.GetSize() |
1382 |
else: |
else: |
1383 |
x = rect.GetX() |
x = rect.GetX() |
1384 |
y = rect.GetY() |
y = rect.GetY() |
1385 |
w = rect.GetWidth() |
w = rect.GetWidth() |
1386 |
h = rect.GetHeight() |
h = rect.GetHeight() |
1387 |
|
|
1388 |
stroke = prop.GetStroke() |
stroke = prop.GetLineColor() |
1389 |
if stroke is Color.None: |
if stroke is Transparent: |
1390 |
pen = wxTRANSPARENT_PEN |
pen = wxTRANSPARENT_PEN |
1391 |
else: |
else: |
1392 |
pen = wxPen(Color2wxColour(stroke), |
pen = wxPen(Color2wxColour(stroke), |
1393 |
prop.GetStrokeWidth(), |
prop.GetLineWidth(), |
1394 |
wxSOLID) |
wxSOLID) |
1395 |
|
|
1396 |
stroke = prop.GetFill() |
stroke = prop.GetFill() |
1397 |
if stroke is Color.None: |
if stroke is Transparent: |
1398 |
brush = wxTRANSPARENT_BRUSH |
brush = wxTRANSPARENT_BRUSH |
1399 |
else: |
else: |
1400 |
brush = wxBrush(Color2wxColour(stroke), wxSOLID) |
brush = wxBrush(Color2wxColour(stroke), wxSOLID) |
1408 |
wxPoint(x + w/2, y + h/4*3), |
wxPoint(x + w/2, y + h/4*3), |
1409 |
wxPoint(x + w, y)]) |
wxPoint(x + w, y)]) |
1410 |
|
|
1411 |
elif shapeType == SHAPETYPE_POINT or \ |
elif shapeType == SHAPETYPE_POINT: |
|
shapeType == SHAPETYPE_POLYGON: |
|
1412 |
|
|
1413 |
dc.DrawCircle(x + w/2, y + h/2, |
dc.DrawCircle(x + w/2, y + h/2, prop.GetSize()) |
1414 |
(min(w, h) - prop.GetStrokeWidth())/2) |
circle_size = prop.GetSize() * 2 + prop.GetLineWidth() * 2 |
1415 |
|
new_h = h |
1416 |
|
new_w = w |
1417 |
|
if h < circle_size: new_h = circle_size |
1418 |
|
if w < circle_size: new_w = circle_size |
1419 |
|
if new_h > h or new_w > w: |
1420 |
|
return (new_w, new_h) |
1421 |
|
|
1422 |
|
elif shapeType == SHAPETYPE_POLYGON: |
1423 |
|
dc.DrawRectangle(x, y, w, h) |
1424 |
|
|
1425 |
|
return None |
1426 |
|
|
1427 |
class ClassRenderer(wxPyGridCellRenderer): |
class ClassRenderer(wxPyGridCellRenderer): |
1428 |
|
"""A wrapper class that can be used to draw group properties in a |
1429 |
|
grid table. |
1430 |
|
""" |
1431 |
|
|
1432 |
def __init__(self, shapeType): |
def __init__(self, shapeType): |
1433 |
wxPyGridCellRenderer.__init__(self) |
wxPyGridCellRenderer.__init__(self) |
1434 |
self.previewer = ClassDataPreviewer(None, None, shapeType) |
self.shapeType = shapeType |
1435 |
|
self.previewer = ClassDataPreviewer() |
1436 |
|
|
1437 |
def Draw(self, grid, attr, dc, rect, row, col, isSelected): |
def Draw(self, grid, attr, dc, rect, row, col, isSelected): |
1438 |
data = grid.GetTable().GetValueAsCustom(row, col, "") |
data = grid.GetTable().GetClassGroup(row) |
|
|
|
1439 |
|
|
1440 |
dc.SetClippingRegion(rect.GetX(), rect.GetY(), |
dc.SetClippingRegion(rect.GetX(), rect.GetY(), |
1441 |
rect.GetWidth(), rect.GetHeight()) |
rect.GetWidth(), rect.GetHeight()) |
1445 |
rect.GetWidth(), rect.GetHeight()) |
rect.GetWidth(), rect.GetHeight()) |
1446 |
|
|
1447 |
if not isinstance(data, ClassGroupMap): |
if not isinstance(data, ClassGroupMap): |
1448 |
self.previewer.Draw(dc, rect, data.GetProperties()) |
new_size = self.previewer.Draw(dc, rect, data.GetProperties(), |
1449 |
|
self.shapeType) |
1450 |
|
if new_size is not None: |
1451 |
|
(new_w, new_h) = new_size |
1452 |
|
grid.SetRowSize(row, new_h) |
1453 |
|
grid.SetColSize(col, new_h) |
1454 |
|
grid.ForceRefresh() |
1455 |
|
|
1456 |
|
# now that we know the height, redraw everything |
1457 |
|
rect.SetHeight(new_h) |
1458 |
|
rect.SetWidth(new_w) |
1459 |
|
dc.DestroyClippingRegion() |
1460 |
|
dc.SetClippingRegion(rect.GetX(), rect.GetY(), |
1461 |
|
rect.GetWidth(), rect.GetHeight()) |
1462 |
|
dc.SetPen(wxPen(wxLIGHT_GREY)) |
1463 |
|
dc.SetBrush(wxBrush(wxLIGHT_GREY, wxSOLID)) |
1464 |
|
dc.DrawRectangle(rect.GetX(), rect.GetY(), |
1465 |
|
rect.GetWidth(), rect.GetHeight()) |
1466 |
|
self.previewer.Draw(dc, rect, data.GetProperties(), |
1467 |
|
self.shapeType) |
1468 |
|
|
1469 |
if isSelected: |
if isSelected: |
1470 |
dc.SetPen(wxPen(wxColour(0 * 255, 0 * 255, 0 * 255), |
dc.SetPen(wxPen(wxBLACK, 1, wxSOLID)) |
|
4, wxSOLID)) |
|
1471 |
dc.SetBrush(wxTRANSPARENT_BRUSH) |
dc.SetBrush(wxTRANSPARENT_BRUSH) |
1472 |
|
|
1473 |
dc.DrawRectangle(rect.GetX(), rect.GetY(), |
dc.DrawRectangle(rect.GetX(), rect.GetY(), |
1474 |
rect.GetWidth(), rect.GetHeight()) |
rect.GetWidth(), rect.GetHeight()) |
1475 |
|
|
1476 |
dc.DestroyClippingRegion() |
dc.DestroyClippingRegion() |
1477 |
|
|
1478 |
|
|
1479 |
|
class ClassGroupPropertiesCtrl(wxControl): |
1480 |
|
"""A custom window and control that draw a preview of group properties |
1481 |
|
and can open a dialog to modify the properties if the user double-clicks |
1482 |
|
it. |
1483 |
|
""" |
1484 |
|
|
1485 |
|
def __init__(self, parent, id, props, shapeType, |
1486 |
|
size = wxDefaultSize, style = 0): |
1487 |
|
wxControl.__init__(self, parent, id, size = size, style = style) |
1488 |
|
|
1489 |
|
self.parent = parent |
1490 |
|
|
1491 |
|
self.SetProperties(props) |
1492 |
|
self.SetShapeType(shapeType) |
1493 |
|
self.AllowEdit(True) |
1494 |
|
|
1495 |
|
EVT_PAINT(self, self._OnPaint) |
1496 |
|
EVT_LEFT_DCLICK(self, self._OnLeftDClick) |
1497 |
|
|
1498 |
|
self.previewer = ClassDataPreviewer() |
1499 |
|
|
1500 |
|
def _OnPaint(self, event): |
1501 |
|
dc = wxPaintDC(self) |
1502 |
|
|
1503 |
|
# XXX: this doesn't seem to be having an effect: |
1504 |
|
dc.DestroyClippingRegion() |
1505 |
|
|
1506 |
|
w, h = self.GetClientSize() |
1507 |
|
|
1508 |
|
self.previewer.Draw(dc, |
1509 |
|
wxRect(0, 0, w, h), |
1510 |
|
self.GetProperties(), |
1511 |
|
self.GetShapeType()) |
1512 |
|
|
1513 |
|
|
1514 |
|
def GetProperties(self): |
1515 |
|
return self.props |
1516 |
|
|
1517 |
|
def SetProperties(self, props): |
1518 |
|
self.props = props |
1519 |
|
self.Refresh() |
1520 |
|
|
1521 |
|
def GetShapeType(self): |
1522 |
|
return self.shapeType |
1523 |
|
|
1524 |
|
def SetShapeType(self, shapeType): |
1525 |
|
self.shapeType = shapeType |
1526 |
|
self.Refresh() |
1527 |
|
|
1528 |
|
def AllowEdit(self, allow): |
1529 |
|
"""Allow/Disallow double-clicking on the control.""" |
1530 |
|
self.allowEdit = allow |
1531 |
|
|
1532 |
|
def DoEdit(self): |
1533 |
|
"""Open the properties selector dialog.""" |
1534 |
|
|
1535 |
|
if not self.allowEdit: return |
1536 |
|
|
1537 |
|
propDlg = SelectPropertiesDialog(self.parent, |
1538 |
|
self.GetProperties(), |
1539 |
|
self.GetShapeType()) |
1540 |
|
|
1541 |
|
if propDlg.ShowModal() == wxID_OK: |
1542 |
|
new_prop = propDlg.GetClassGroupProperties() |
1543 |
|
self.SetProperties(new_prop) |
1544 |
|
self.Refresh() |
1545 |
|
|
1546 |
|
propDlg.Destroy() |
1547 |
|
|
1548 |
|
def _OnLeftDClick(self, event): |
1549 |
|
self.DoEdit() |
1550 |
|
|