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# Copyright (c) 2001 by Intevation GmbH |
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# Authors: |
| 3 |
# Jonathan Coles <[email protected]> |
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# |
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# This program is free software under the GPL (>=v2) |
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# Read the file COPYING coming with Thuban for details. |
| 7 |
|
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"""Dialog for classifying how layers are displayed""" |
| 9 |
|
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__version__ = "$Revision$" |
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|
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import copy |
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|
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from wxPython.wx import * |
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from wxPython.grid import * |
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|
| 17 |
from Thuban import _ |
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from Thuban.common import * |
| 19 |
from Thuban.UI.common import * |
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|
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from Thuban.Model.classification import * |
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|
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from Thuban.Model.color import Color |
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|
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from Thuban.Model.layer import SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT |
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|
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ID_PROPERTY_SELECT = 4010 |
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ID_CLASS_TABLE = 40011 |
| 29 |
|
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ID_CLASSIFY_OK = 4001 |
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ID_CLASSIFY_CANCEL = 4002 |
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ID_CLASSIFY_ADD = 4003 |
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ID_CLASSIFY_GENRANGE = 4004 |
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ID_CLASSIFY_REMOVE = 4005 |
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|
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COL_VISUAL = 0 |
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COL_VALUE = 1 |
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COL_LABEL = 2 |
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|
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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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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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# |
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# 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 |
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# |
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import weakref |
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class ClassGrid(wxGrid): |
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|
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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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|
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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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|
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self.layer = layer |
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self.currentSelection = [] |
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|
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def GetCurrentSelection(self): |
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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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|
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def SetCellRenderer(self, row, col): |
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raise ValueError(_("Must not allow setting of renderer in ClassGrid!")) |
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|
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def SetTable(self, object, *attributes): |
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self.tableRef = weakref.ref(object) |
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return wxGrid.SetTable(self, object, *attributes) |
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|
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def GetTable(self): |
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return self.tableRef() |
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|
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def DeleteSelectedRows(self): |
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sel = self.GetCurrentSelection() |
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|
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if len(sel) == 0: return |
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if len(sel) == 1: |
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group = self.GetTable().GetValueAsCustom(sel[0], COL_VISUAL, None) |
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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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|
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self.ClearSelection() |
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|
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sel.reverse() |
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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 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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|
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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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|
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def OnCellDClick(self, event): |
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r = event.GetRow() |
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c = event.GetCol() |
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if c == COL_VISUAL: |
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# XXX: getting the properties is only possible with non-Maps!!! |
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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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# |
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# _OnSelectedRange() and _OnSelectedCell() were borrowed |
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# from http://wiki.wxpython.org |
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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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|
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event.Skip() |
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|
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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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|
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class ClassTable(wxPyGridTableBase): |
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|
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NUM_COLS = 3 |
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|
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__col_labels = [_("Symbol"), _("Value"), _("Label")] |
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|
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def __init__(self, fieldData, shapeType, view = None): |
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wxPyGridTableBase.__init__(self) |
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self.SetView(view) |
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self.tdata = [] |
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|
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self.Reset(fieldData, shapeType) |
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|
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def Reset(self, fieldData, shapeType): |
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|
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self.GetView().BeginBatch() |
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|
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self.fieldData = fieldData |
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self.shapeType = shapeType |
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self.renderer = ClassRenderer(self.shapeType) |
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|
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old_len = len(self.tdata) |
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|
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self.tdata = [] |
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|
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clazz = fieldData[FIELD_CLASS] |
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if clazz is None: |
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clazz = Classification() |
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|
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# p = clazz.GetDefaultGroup() |
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# np = ClassDataDefault(classData = p) |
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# self.tdata.append([np, 'DEFAULT', np.GetLabel()]) |
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|
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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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|
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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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|
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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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|
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|
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self.modified = 0 |
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|
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self.__NotifyRowChanges(old_len, len(self.tdata)) |
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self.GetView().EndBatch() |
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|
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def __NotifyRowChanges(self, curRows, newRows): |
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# |
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# silly message processing for updates to the number of |
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# rows and columns |
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# |
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if newRows > curRows: |
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msg = wxGridTableMessage(self, |
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wxGRIDTABLE_NOTIFY_ROWS_APPENDED, |
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newRows - curRows) # how many |
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self.GetView().ProcessTableMessage(msg) |
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elif newRows < curRows: |
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msg = wxGridTableMessage(self, |
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wxGRIDTABLE_NOTIFY_ROWS_DELETED, |
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curRows - newRows, # position |
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curRows - newRows) # how many |
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self.GetView().ProcessTableMessage(msg) |
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|
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|
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def __SetRow(self, row, group): |
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|
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if isinstance(group, ClassGroupDefault): |
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data = [group, _('DEFAULT'), group.GetLabel()] |
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elif isinstance(group, ClassGroupSingleton): |
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data = [group, group.GetValue(), group.GetLabel()] |
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elif isinstance(group, ClassGroupRange): |
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data = [group, |
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_('%s - %s') % (group.GetMin(), group.GetMax()), |
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group.GetLabel()] |
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|
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if row >= len(self.tdata): |
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self.tdata.append(data) |
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else: |
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self.tdata[row] = data |
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|
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def GetColLabelValue(self, col): |
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return self.__col_labels[col] |
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|
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def GetRowLabelValue(self, row): |
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data = self.tdata[row][COL_VISUAL] |
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if isinstance(data, ClassGroupDefault): return _("Default") |
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if isinstance(data, ClassGroupSingleton): return _("Singleton") |
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if isinstance(data, ClassGroupRange): return _("Range") |
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if isinstance(data, ClassGroupMap): return _("Map") |
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|
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def GetNumberRows(self): |
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return len(self.tdata) |
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|
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def GetNumberCols(self): |
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return self.NUM_COLS |
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|
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def IsEmptyCell(self, row, col): |
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return 0 |
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|
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def GetValue(self, row, col): |
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return self.GetValueAsCustom(row, col, "") |
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|
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def SetValue(self, row, col, value): |
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self.SetValueAsCustom(row, col, "", value) |
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self.__Modified() |
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|
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def GetValueAsCustom(self, row, col, typeName): |
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return self.tdata[row][col] |
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|
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def __ParseInput(self, value): |
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"""Try to determine what kind of input value is |
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(a single number or a range) |
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""" |
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|
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type = self.fieldData[FIELD_TYPE] |
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|
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if type == FIELD_TYPE_STRING: |
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return (value,) |
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elif type == FIELD_TYPE_INT or type == FIELD_TYPE_DOUBLE: |
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|
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# |
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# first try to take the input as a single number |
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# if there's an exception try to break it into |
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# a range seperated by a '-'. take care to ignore |
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# a leading '-' as that could be for a negative number. |
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# then try to parse the individual parts. if there |
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# is an exception here, let it pass up to the calling |
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# function. |
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# |
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try: |
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return (Str2Num(value),) |
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except: |
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i = value.find('-') |
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if i == 0: |
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i = value.find('-', 1) |
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|
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return (Str2Num(value[:i]), Str2Num(value[i+1:])) |
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|
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|
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def SetValueAsCustom(self, row, col, typeName, value): |
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group = self.tdata[row][COL_VISUAL] |
| 308 |
|
| 309 |
if col == COL_VISUAL: |
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self.tdata[row][COL_VISUAL] = value |
| 311 |
elif col == COL_VALUE: |
| 312 |
if isinstance(group, ClassGroupDefault): |
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# not allowed to modify the default value |
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pass |
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elif isinstance(group, ClassGroupMap): |
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# something special |
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pass |
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else: # SINGLETON, RANGE |
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try: |
| 320 |
dataInfo = self.__ParseInput(value) |
| 321 |
except: |
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# bad input, ignore the request |
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pass |
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else: |
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|
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ngroup = group |
| 327 |
props = group.GetProperties() |
| 328 |
if len(dataInfo) == 1: |
| 329 |
if not isinstance(group, ClassGroupSingleton): |
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ngroup = ClassGroupSingleton(prop = props) |
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ngroup.SetValue(dataInfo[0]) |
| 332 |
elif len(dataInfo) == 2: |
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if not isinstance(group, ClassGroupRange): |
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ngroup = ClassGroupRange(prop = props) |
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ngroup.SetRange(dataInfo[0], dataInfo[1]) |
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else: |
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assert(False) |
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|
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ngroup.SetLabel(group.GetLabel()) |
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self.__SetRow(row, ngroup) |
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|
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self.GetView().Refresh() |
| 343 |
|
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elif col == COL_LABEL: |
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group.SetLabel(value) |
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self.tdata[row][COL_LABEL] = group.GetLabel() |
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else: |
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raise ValueError(_("Invalid column request")) |
| 349 |
|
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self.__Modified() |
| 351 |
|
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def GetAttr(self, row, col, someExtraParameter): |
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attr = wxGridCellAttr() |
| 354 |
#attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter) |
| 355 |
|
| 356 |
if col == COL_VISUAL: |
| 357 |
attr.SetRenderer(ClassRenderer(self.shapeType)) |
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attr.SetReadOnly() |
| 359 |
|
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return attr |
| 361 |
|
| 362 |
def GetClassGroup(self, row): |
| 363 |
return self.tdata[row][COL_VISUAL] |
| 364 |
|
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def __Modified(self): |
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self.modified = 1 |
| 367 |
|
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def IsModified(self): |
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return self.modified |
| 370 |
|
| 371 |
def DeleteRows(self, pos, numRows = 1): |
| 372 |
assert(pos >= 0) |
| 373 |
old_len = len(self.tdata) |
| 374 |
for row in range(pos, pos - numRows, -1): |
| 375 |
group = self.GetValueAsCustom(row, COL_VISUAL, None) |
| 376 |
if not isinstance(group, ClassGroupDefault): |
| 377 |
self.tdata.pop(row) |
| 378 |
self.__Modified() |
| 379 |
|
| 380 |
if self.IsModified(): |
| 381 |
self.__NotifyRowChanges(old_len, len(self.tdata)) |
| 382 |
|
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def AppendRows(self, numRows = 1): |
| 384 |
old_len = len(self.tdata) |
| 385 |
for i in range(numRows): |
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np = ClassGroupSingleton() |
| 387 |
self.tdata.append([np, np.GetValue(), np.GetLabel()]) |
| 388 |
self.__Modified() |
| 389 |
|
| 390 |
if self.IsModified(): |
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self.__NotifyRowChanges(old_len, len(self.tdata)) |
| 392 |
|
| 393 |
|
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class Classifier(wxDialog): |
| 395 |
|
| 396 |
def __init__(self, parent, layer): |
| 397 |
wxDialog.__init__(self, parent, -1, _("Classify"), |
| 398 |
style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER) |
| 399 |
|
| 400 |
|
| 401 |
self.layer = layer |
| 402 |
|
| 403 |
topBox = wxBoxSizer(wxVERTICAL) |
| 404 |
|
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topBox.Add(wxStaticText(self, -1, _("Layer: %s") % layer.Title()), |
| 406 |
0, wxALIGN_LEFT | wxALL, 4) |
| 407 |
topBox.Add(wxStaticText(self, -1, _("Type: %s") % layer.ShapeType()), |
| 408 |
0, wxALIGN_LEFT | wxALL, 4) |
| 409 |
|
| 410 |
propertyBox = wxBoxSizer(wxHORIZONTAL) |
| 411 |
propertyBox.Add(wxStaticText(self, -1, _("Field: ")), |
| 412 |
0, wxALIGN_CENTER | wxALL, 4) |
| 413 |
|
| 414 |
self.fields = wxComboBox(self, ID_PROPERTY_SELECT, "", |
| 415 |
style = wxCB_READONLY) |
| 416 |
|
| 417 |
self.num_cols = layer.table.field_count() |
| 418 |
# just assume the first field in case one hasn't been |
| 419 |
# specified in the file. |
| 420 |
self.__cur_field = 0 |
| 421 |
clazz = layer.GetClassification() |
| 422 |
field = clazz.GetField() |
| 423 |
for i in range(self.num_cols): |
| 424 |
type, name, len, decc = layer.table.field_info(i) |
| 425 |
self.fields.Append(name) |
| 426 |
|
| 427 |
if name == field: |
| 428 |
self.__cur_field = i |
| 429 |
self.fields.SetClientData(i, [clazz, type, name, len, decc]) |
| 430 |
else: |
| 431 |
self.fields.SetClientData(i, [None, type, name, len, decc]) |
| 432 |
|
| 433 |
self.fields.SetSelection(self.__cur_field) |
| 434 |
|
| 435 |
propertyBox.Add(self.fields, 1, wxGROW|wxALL, 4) |
| 436 |
EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self.OnFieldSelect) |
| 437 |
|
| 438 |
topBox.Add(propertyBox, 0, wxGROW, 4) |
| 439 |
|
| 440 |
# |
| 441 |
# Classification data table |
| 442 |
# |
| 443 |
|
| 444 |
controlBox = wxBoxSizer(wxHORIZONTAL) |
| 445 |
self.classGrid = ClassGrid(self, |
| 446 |
layer, |
| 447 |
self.fields.GetClientData(self.__cur_field)) |
| 448 |
|
| 449 |
controlBox.Add(self.classGrid, 1, wxGROW, 0) |
| 450 |
|
| 451 |
controlButtonBox = wxBoxSizer(wxVERTICAL) |
| 452 |
controlButtonBox.Add(wxButton(self, ID_CLASSIFY_ADD, |
| 453 |
_("Add")), 0, wxGROW | wxALL, 4) |
| 454 |
controlButtonBox.Add(wxButton(self, ID_CLASSIFY_GENRANGE, |
| 455 |
_("Generate Ranges")), 0, wxGROW | wxALL, 4) |
| 456 |
|
| 457 |
controlButtonBox.Add(wxButton(self, ID_CLASSIFY_REMOVE, |
| 458 |
_("Remove")), 0, wxGROW | wxALL | wxALIGN_BOTTOM, 4) |
| 459 |
|
| 460 |
controlBox.Add(controlButtonBox, 0, wxGROW, 10) |
| 461 |
topBox.Add(controlBox, 1, wxGROW, 10) |
| 462 |
|
| 463 |
EVT_BUTTON(self, ID_CLASSIFY_ADD, self.OnAdd) |
| 464 |
EVT_BUTTON(self, ID_CLASSIFY_REMOVE, self.OnRemove) |
| 465 |
EVT_BUTTON(self, ID_CLASSIFY_GENRANGE, self.OnGenRange) |
| 466 |
|
| 467 |
# |
| 468 |
# Control buttons: |
| 469 |
# |
| 470 |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
| 471 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")), |
| 472 |
0, wxALL, 4) |
| 473 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")), |
| 474 |
0, wxALL, 4) |
| 475 |
topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10) |
| 476 |
|
| 477 |
EVT_BUTTON(self, ID_CLASSIFY_OK, self.OnOK) |
| 478 |
EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self.OnCancel) |
| 479 |
|
| 480 |
|
| 481 |
|
| 482 |
self.SetAutoLayout(true) |
| 483 |
self.SetSizer(topBox) |
| 484 |
topBox.Fit(self) |
| 485 |
topBox.SetSizeHints(self) |
| 486 |
|
| 487 |
def __BuildClassification(self, prop): |
| 488 |
|
| 489 |
clazz = Classification() |
| 490 |
clazz.SetField(self.fields.GetString(prop)) |
| 491 |
|
| 492 |
numRows = self.classGrid.GetNumberRows() |
| 493 |
|
| 494 |
if numRows > 0: |
| 495 |
table = self.classGrid.GetTable() |
| 496 |
clazz.SetDefaultGroup(table.GetClassGroup(0)) |
| 497 |
|
| 498 |
for i in range(1, numRows): |
| 499 |
clazz.AddGroup(table.GetClassGroup(i)) |
| 500 |
|
| 501 |
return clazz |
| 502 |
|
| 503 |
def OnFieldSelect(self, event): |
| 504 |
data = self.fields.GetClientData(self.__cur_field) |
| 505 |
data[FIELD_CLASS] = self.__BuildClassification(self.__cur_field) |
| 506 |
|
| 507 |
self.fields.SetClientData(self.__cur_field, data) |
| 508 |
|
| 509 |
self.__cur_field = self.fields.GetSelection() |
| 510 |
fieldData = self.fields.GetClientData(self.__cur_field) |
| 511 |
self.classGrid.GetTable().Reset(fieldData, self.layer.ShapeType()) |
| 512 |
|
| 513 |
def OnOK(self, event): |
| 514 |
"""Put the data from the table into a new Classification and hand |
| 515 |
it to the layer. |
| 516 |
""" |
| 517 |
|
| 518 |
clazz = self.fields.GetClientData(self.__cur_field)[FIELD_CLASS] |
| 519 |
|
| 520 |
# |
| 521 |
# only build the classification if there wasn't one to |
| 522 |
# to begin with or it has been modified |
| 523 |
# |
| 524 |
if clazz is None or self.classGrid.GetTable().IsModified(): |
| 525 |
clazz = self.__BuildClassification(self.__cur_field) |
| 526 |
|
| 527 |
clazz.SetLayer(self.layer) |
| 528 |
|
| 529 |
self.layer.SetClassification(clazz) |
| 530 |
|
| 531 |
self.EndModal(wxID_OK) |
| 532 |
|
| 533 |
def OnCancel(self, event): |
| 534 |
"""Do nothing. The layer's current classification stays the same.""" |
| 535 |
self.EndModal(wxID_CANCEL) |
| 536 |
|
| 537 |
def OnAdd(self, event): |
| 538 |
self.classGrid.AppendRows() |
| 539 |
|
| 540 |
def OnRemove(self, event): |
| 541 |
self.classGrid.DeleteSelectedRows() |
| 542 |
|
| 543 |
def OnGenRange(self, event): |
| 544 |
print "Classifier.OnGenRange()" |
| 545 |
|
| 546 |
|
| 547 |
ID_SELPROP_OK = 4001 |
| 548 |
ID_SELPROP_CANCEL = 4002 |
| 549 |
ID_SELPROP_SPINCTRL = 4002 |
| 550 |
ID_SELPROP_PREVIEW = 4003 |
| 551 |
ID_SELPROP_STROKECLR = 4004 |
| 552 |
ID_SELPROP_FILLCLR = 4005 |
| 553 |
|
| 554 |
class SelectPropertiesDialog(wxDialog): |
| 555 |
|
| 556 |
def __init__(self, parent, prop, shapeType): |
| 557 |
wxDialog.__init__(self, parent, -1, _("Select Properties"), |
| 558 |
style = wxRESIZE_BORDER) |
| 559 |
|
| 560 |
self.prop = ClassGroupProperties(prop) |
| 561 |
|
| 562 |
topBox = wxBoxSizer(wxVERTICAL) |
| 563 |
|
| 564 |
itemBox = wxBoxSizer(wxHORIZONTAL) |
| 565 |
|
| 566 |
# preview box |
| 567 |
previewBox = wxBoxSizer(wxVERTICAL) |
| 568 |
previewBox.Add(wxStaticText(self, -1, _("Preview:")), |
| 569 |
0, wxALIGN_LEFT | wxALL, 4) |
| 570 |
self.previewer = ClassDataPreviewer(None, self.prop, shapeType, |
| 571 |
self, ID_SELPROP_PREVIEW, (40, 40)) |
| 572 |
previewBox.Add(self.previewer, 1, wxGROW, 15) |
| 573 |
|
| 574 |
itemBox.Add(previewBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0) |
| 575 |
|
| 576 |
# control box |
| 577 |
ctrlBox = wxBoxSizer(wxVERTICAL) |
| 578 |
ctrlBox.Add( |
| 579 |
wxButton(self, ID_SELPROP_STROKECLR, "Change Stroke Color"), |
| 580 |
1, wxALIGN_CENTER_HORIZONTAL | wxALL | wxGROW, 4) |
| 581 |
EVT_BUTTON(self, ID_SELPROP_STROKECLR, self.OnChangeStrokeColor) |
| 582 |
|
| 583 |
if shapeType != SHAPETYPE_ARC: |
| 584 |
ctrlBox.Add( |
| 585 |
wxButton(self, ID_SELPROP_FILLCLR, "Change Fill Color"), |
| 586 |
0, wxALIGN_LEFT | wxALL | wxGROW, 4) |
| 587 |
EVT_BUTTON(self, ID_SELPROP_FILLCLR, self.OnChangeFillColor) |
| 588 |
|
| 589 |
spinBox = wxBoxSizer(wxHORIZONTAL) |
| 590 |
spinBox.Add(wxStaticText(self, -1, _("Stroke Width: ")), |
| 591 |
0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxALL, 4) |
| 592 |
self.spinCtrl = wxSpinCtrl(self, ID_SELPROP_SPINCTRL, |
| 593 |
min=1, max=10, |
| 594 |
value=str(prop.GetStrokeWidth()), |
| 595 |
initial=prop.GetStrokeWidth()) |
| 596 |
|
| 597 |
EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL, self.OnSpin) |
| 598 |
|
| 599 |
spinBox.Add(self.spinCtrl, 0, wxALIGN_LEFT | wxALL, 4) |
| 600 |
|
| 601 |
ctrlBox.Add(spinBox, 0, wxALIGN_RIGHT | wxALL, 0) |
| 602 |
itemBox.Add(ctrlBox, 0, wxALIGN_RIGHT | wxALL | wxGROW, 0) |
| 603 |
topBox.Add(itemBox, 1, wxALIGN_LEFT | wxALL | wxGROW, 0) |
| 604 |
|
| 605 |
|
| 606 |
# |
| 607 |
# Control buttons: |
| 608 |
# |
| 609 |
buttonBox = wxBoxSizer(wxHORIZONTAL) |
| 610 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")), |
| 611 |
0, wxALL, 4) |
| 612 |
buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")), |
| 613 |
0, wxALL, 4) |
| 614 |
topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10) |
| 615 |
|
| 616 |
EVT_BUTTON(self, ID_SELPROP_OK, self.OnOK) |
| 617 |
EVT_BUTTON(self, ID_SELPROP_CANCEL, self.OnCancel) |
| 618 |
|
| 619 |
self.SetAutoLayout(true) |
| 620 |
self.SetSizer(topBox) |
| 621 |
topBox.Fit(self) |
| 622 |
topBox.SetSizeHints(self) |
| 623 |
|
| 624 |
def OnOK(self, event): |
| 625 |
self.EndModal(wxID_OK) |
| 626 |
|
| 627 |
def OnCancel(self, event): |
| 628 |
self.EndModal(wxID_CANCEL) |
| 629 |
|
| 630 |
def OnSpin(self, event): |
| 631 |
self.prop.SetStrokeWidth(self.spinCtrl.GetValue()) |
| 632 |
self.previewer.Refresh() |
| 633 |
|
| 634 |
def __GetColor(self, cur): |
| 635 |
dialog = wxColourDialog(self) |
| 636 |
dialog.GetColourData().SetColour(Color2wxColour(cur)) |
| 637 |
ret = None |
| 638 |
if dialog.ShowModal() == wxID_OK: |
| 639 |
ret = wxColour2Color(dialog.GetColourData().GetColour()) |
| 640 |
|
| 641 |
dialog.Destroy() |
| 642 |
|
| 643 |
return ret |
| 644 |
|
| 645 |
def OnChangeStrokeColor(self, event): |
| 646 |
clr = self.__GetColor(self.prop.GetStroke()) |
| 647 |
if clr is not None: |
| 648 |
self.prop.SetStroke(clr) |
| 649 |
self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer |
| 650 |
|
| 651 |
def OnChangeFillColor(self, event): |
| 652 |
clr = self.__GetColor(self.prop.GetFill()) |
| 653 |
if clr is not None: |
| 654 |
self.prop.SetFill(clr) |
| 655 |
self.previewer.Refresh() # XXX: work around, see ClassDataPreviewer |
| 656 |
|
| 657 |
def GetClassGroupProperties(self): |
| 658 |
return self.prop |
| 659 |
|
| 660 |
|
| 661 |
class ClassDataPreviewer(wxWindow): |
| 662 |
|
| 663 |
def __init__(self, rect, prop, shapeType, |
| 664 |
parent = None, id = -1, size = wxDefaultSize): |
| 665 |
if parent is not None: |
| 666 |
wxWindow.__init__(self, parent, id, size=size) |
| 667 |
EVT_PAINT(self, self.OnPaint) |
| 668 |
|
| 669 |
self.rect = rect |
| 670 |
self.prop = prop |
| 671 |
self.shapeType = shapeType |
| 672 |
|
| 673 |
def OnPaint(self, event): |
| 674 |
dc = wxPaintDC(self) |
| 675 |
|
| 676 |
# XXX: this doesn't seem to be having an effect: |
| 677 |
dc.DestroyClippingRegion() |
| 678 |
|
| 679 |
self.Draw(dc, None) |
| 680 |
|
| 681 |
def Draw(self, dc, rect, prop = None, shapeType = None): |
| 682 |
|
| 683 |
if prop is None: prop = self.prop |
| 684 |
if shapeType is None: shapeType = self.shapeType |
| 685 |
|
| 686 |
if rect is None: |
| 687 |
x = y = 0 |
| 688 |
w, h = self.GetClientSizeTuple() |
| 689 |
else: |
| 690 |
x = rect.GetX() |
| 691 |
y = rect.GetY() |
| 692 |
w = rect.GetWidth() |
| 693 |
h = rect.GetHeight() |
| 694 |
|
| 695 |
stroke = prop.GetStroke() |
| 696 |
if stroke is Color.None: |
| 697 |
pen = wxTRANSPARENT_PEN |
| 698 |
else: |
| 699 |
pen = wxPen(Color2wxColour(stroke), |
| 700 |
prop.GetStrokeWidth(), |
| 701 |
wxSOLID) |
| 702 |
|
| 703 |
stroke = prop.GetFill() |
| 704 |
if stroke is Color.None: |
| 705 |
brush = wxTRANSPARENT_BRUSH |
| 706 |
else: |
| 707 |
brush = wxBrush(Color2wxColour(stroke), wxSOLID) |
| 708 |
|
| 709 |
dc.SetPen(pen) |
| 710 |
dc.SetBrush(brush) |
| 711 |
|
| 712 |
if shapeType == SHAPETYPE_ARC: |
| 713 |
dc.DrawSpline([wxPoint(x, y + h), |
| 714 |
wxPoint(x + w/2, y + h/4), |
| 715 |
wxPoint(x + w/2, y + h/4*3), |
| 716 |
wxPoint(x + w, y)]) |
| 717 |
|
| 718 |
elif shapeType == SHAPETYPE_POINT or \ |
| 719 |
shapeType == SHAPETYPE_POLYGON: |
| 720 |
|
| 721 |
dc.DrawCircle(x + w/2, y + h/2, |
| 722 |
(min(w, h) - prop.GetStrokeWidth())/2) |
| 723 |
|
| 724 |
class ClassRenderer(wxPyGridCellRenderer): |
| 725 |
|
| 726 |
def __init__(self, shapeType): |
| 727 |
wxPyGridCellRenderer.__init__(self) |
| 728 |
self.previewer = ClassDataPreviewer(None, None, shapeType) |
| 729 |
|
| 730 |
def Draw(self, grid, attr, dc, rect, row, col, isSelected): |
| 731 |
data = grid.GetTable().GetValueAsCustom(row, col, None) |
| 732 |
|
| 733 |
dc.SetClippingRegion(rect.GetX(), rect.GetY(), |
| 734 |
rect.GetWidth(), rect.GetHeight()) |
| 735 |
dc.SetPen(wxPen(wxLIGHT_GREY)) |
| 736 |
dc.SetBrush(wxBrush(wxLIGHT_GREY, wxSOLID)) |
| 737 |
dc.DrawRectangle(rect.GetX(), rect.GetY(), |
| 738 |
rect.GetWidth(), rect.GetHeight()) |
| 739 |
|
| 740 |
if not isinstance(data, ClassGroupMap): |
| 741 |
self.previewer.Draw(dc, rect, data.GetProperties()) |
| 742 |
|
| 743 |
if isSelected: |
| 744 |
dc.SetPen(wxPen(wxColour(0 * 255, 0 * 255, 0 * 255), |
| 745 |
4, wxSOLID)) |
| 746 |
dc.SetBrush(wxTRANSPARENT_BRUSH) |
| 747 |
dc.DrawRectangle(rect.GetX(), rect.GetY(), |
| 748 |
rect.GetWidth(), rect.GetHeight()) |
| 749 |
|
| 750 |
dc.DestroyClippingRegion() |
| 751 |
|
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