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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 * |
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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 |
ID_PROPERTY_SELECT = 4010 |
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ID_CLASS_TABLE = 40011 |
ID_CLASS_TABLE = 40011 |
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|
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ID_CLASSIFY_OK = 4001 |
ID_CLASSIFY_OK = 4001 |
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ID_CLASSIFY_CANCEL = 4002 |
ID_CLASSIFY_CANCEL = 4002 |
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ID_CLASSIFY_ADD = 4003 |
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ID_CLASSIFY_GENRANGE = 4004 |
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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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# 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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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): |
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raise ValueError(_("Must not allow setting of renderer in ClassGrid!")) |
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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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def GetTable(self): |
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return self.tableRef() |
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class ClassTable(wxPyGridTableBase): |
class ClassTable(wxPyGridTableBase): |
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def __init__(self, clinfo): |
NUM_COLS = 3 |
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__col_labels = [_("Visual"), _("Value"), _("Label")] |
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# this is tied to the values of classification.ClassData |
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__row_labels = [_("Default"), _("Point"), _("Range"), _("Map")] |
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def __init__(self, clazz, shapeType, view = None): |
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wxPyGridTableBase.__init__(self) |
wxPyGridTableBase.__init__(self) |
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self.clinfo = copy.deepcopy(clinfo) |
self.SetView(view) |
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self.tdata = [] |
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self.Reset(clazz, shapeType) |
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def Reset(self, clazz, shapeType): |
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self.GetView().BeginBatch() |
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self.shapeType = shapeType |
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self.renderer = ClassRenderer(self.shapeType) |
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old_tdata = self.tdata |
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self.tdata = [] |
self.tdata = [] |
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for value, data in self.clinfo.points.items(): |
if clazz is None: |
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self.tdata.append([data, value]) |
clazz = Classification() |
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|
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for range in self.clinfo.ranges: |
p = clazz.GetDefaultData() |
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self.tdata.append([range[2], '%s-%s' % range[0], range[1]]) |
np = ClassDataPoint(classData = p) |
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self.tdata.append([np, 'DEFAULT', np.GetLabel()]) |
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for p in clazz.points.values(): |
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np = ClassDataPoint(p.GetValue(), classData = p) |
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self.tdata.append([np, np.GetValue(), np.GetLabel()]) |
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for p in clazz.ranges: |
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np = ClassDataRange(p.GetMin(), p.GetMax(), classData = p) |
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self.tdata.append([np, |
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'%s - %s' % (np.GetMin(), np.GetMax()), |
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np.GetLabel()]) |
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self.modified = 0 |
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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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curRows = len(old_tdata) |
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newRows = len(self.tdata) |
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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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self.GetView().EndBatch() |
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def GetColLabelValue(self, col): |
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return self.__col_labels[col] |
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def GetRowLabelValue(self, row): |
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data = self.tdata[row][COL_VISUAL] |
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type = data.GetType() |
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return self.__row_labels[type] |
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self.SetColLabelValue(1, _("Data Values")) |
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def GetNumberRows(self): |
def GetNumberRows(self): |
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return len(self.tdata) |
return len(self.tdata) |
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def GetNumberCols(self): |
def GetNumberCols(self): |
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return 2 |
return self.NUM_COLS |
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def IsEmptyCell(self, row, col): |
def IsEmptyCell(self, row, col): |
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return false |
return 0 |
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def GetValue(self, row, col): |
def GetValue(self, row, col): |
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return self.tdata[row][col] |
return self.GetValueAsCustom(row, col, "") |
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def SetValue(self, row, col, value): |
def SetValue(self, row, col, value): |
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pass |
self.SetValueAsCustom(row, col, "", value) |
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self.__Modified() |
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def GetValueAsCustom(self, row, col, typeName): |
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return self.tdata[row][col] |
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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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# 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 (ClassData.POINT, 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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return (ClassData.RANGE, |
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Str2Num(value[:i]), |
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Str2Num(value[i+1:])) |
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def SetValueAsCustom(self, row, col, typeName, value): |
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data = self.tdata[row][COL_VISUAL] |
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if col == COL_VISUAL: |
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self.tdata[row][COL_VISUAL] = value |
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elif col == COL_VALUE: |
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if row != 0: # DefaultData row |
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type = data.GetType() |
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if type == ClassData.MAP: |
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# something special |
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pass |
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else: # POINT, RANGE |
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try: |
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dataInfo = self.__ParseInput(value) |
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except: pass |
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# bad input, ignore the request |
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else: |
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if dataInfo[0] == ClassData.POINT: |
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if type != ClassData.POINT: |
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data = ClassDataPoint(classData = data) |
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data.SetValue(dataInfo[1]) |
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self.tdata[row][COL_VALUE] = data.GetValue() |
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elif dataInfo[0] == ClassData.RANGE: |
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if type != ClassData.RANGE: |
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data = ClassDataRange(classData = data) |
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data.SetRange(dataInfo[1], dataInfo[2]) |
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self.tdata[row][COL_VALUE] = \ |
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"%s - %s" % (data.GetMin(), data.GetMax()) |
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self.tdata[row][COL_VISUAL] = data |
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# i just want it to redraw! |
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self.GetView().BeginBatch() |
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self.GetView().EndBatch() |
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elif col == COL_LABEL: |
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data.SetLabel(value) |
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self.tdata[row][COL_LABEL] = data.GetLabel() |
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else: |
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raise ValueError(_("Invalid column request")) |
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self.__Modified() |
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def GetAttr(self, row, col, someExtraParameter): |
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attr = wxGridCellAttr() |
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#attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter) |
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if col == COL_VISUAL: |
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attr.SetRenderer(ClassRenderer(self.shapeType)) |
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attr.SetReadOnly() |
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return attr |
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def GetClassData(self, row): |
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return self.tdata[row][COL_VISUAL] |
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def __Modified(self): |
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self.modified = 1 |
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def IsModified(self): |
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return self.modified |
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def AddNewDataRow(self): |
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np = ClassDataPoint() |
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self.tdata.append([np, np.GetValue(), np.GetLabel()]) |
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msg = wxGridTableMessage(self, wxGRIDTABLE_NOTIFY_ROWS_APPENDED, 1) |
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self.GetView().ProcessTableMessage(msg) |
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self.GetView().BeginBatch() |
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self.GetView().EndBatch() |
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class Classifier(wxDialog): |
class Classifier(wxDialog): |
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wxDialog.__init__(self, parent, -1, _("Classify"), |
wxDialog.__init__(self, parent, -1, _("Classify"), |
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style = wxRESIZE_BORDER) |
style = wxRESIZE_BORDER) |
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self.layer = layer |
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topBox = wxBoxSizer(wxVERTICAL) |
topBox = wxBoxSizer(wxVERTICAL) |
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topBox.Add(wxStaticText(self, -1, _("Layer: %s") % layer.Title()), |
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0, wxALIGN_LEFT | wxBOTTOM, 4) |
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topBox.Add(wxStaticText(self, -1, _("Type: %s") % layer.ShapeType()), |
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0, wxALIGN_LEFT | wxBOTTOM, 4) |
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propertyBox = wxBoxSizer(wxHORIZONTAL) |
propertyBox = wxBoxSizer(wxHORIZONTAL) |
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propertyBox.Add(wxStaticText(self, -1, _("Property")), |
propertyBox.Add(wxStaticText(self, -1, _("Property: ")), |
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0, wxALIGN_CENTER | wxALL, 4) |
0, wxALIGN_CENTER | wxALL, 4) |
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self.properties = wxComboBox(self, ID_PROPERTY_SELECT, "", |
self.properties = wxComboBox(self, ID_PROPERTY_SELECT, "", |
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style = wxCB_READONLY) |
style = wxCB_READONLY) |
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self.num_cols = layer.table.field_count() |
self.num_cols = layer.table.field_count() |
276 |
cur_hilight = 0 |
self.__cur_prop = -1 |
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field = layer.GetClassification().GetField() |
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for i in range(self.num_cols): |
for i in range(self.num_cols): |
279 |
type, name, len, decc = layer.table.field_info(i) |
type, name, len, decc = layer.table.field_info(i) |
280 |
if name == layer.classification.field: |
if name == field: |
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cur_hilight = i |
self.__cur_prop = i |
282 |
self.properties.Append(name) |
self.properties.Append(name) |
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self.properties.SetClientData(i, None) |
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|
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self.properties.SetSelection(cur_hilight) |
self.properties.SetSelection(self.__cur_prop) |
286 |
propertyBox.Add(self.properties, 0, wxGROW, 4) |
propertyBox.Add(self.properties, 1, wxGROW|wxALL, 0) |
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EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self.OnPropertySelect) |
EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self.OnPropertySelect) |
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|
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topBox.Add(propertyBox, 0, wxGROW, 4) |
topBox.Add(propertyBox, 0, wxGROW, 4) |
292 |
# Classification data table |
# Classification data table |
293 |
# |
# |
294 |
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|
295 |
self.classTable = wxGrid(self, ID_CLASS_TABLE, size=(300, 150)) |
controlBox = wxBoxSizer(wxHORIZONTAL) |
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self.classGrid = ClassGrid(self, layer) |
297 |
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298 |
table = ClassTable(layer.classification) |
controlBox.Add(self.classGrid, 1, wxGROW, 0) |
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self.classTable.SetTable(table, true) |
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300 |
topBox.Add(self.classTable, 0, wxGROW, 0) |
controlButtonBox = wxBoxSizer(wxVERTICAL) |
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controlButtonBox.Add(wxButton(self, ID_CLASSIFY_ADD, |
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_("Add")), 0, wxGROW | wxALL, 4) |
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controlButtonBox.Add(wxButton(self, ID_CLASSIFY_GENRANGE, |
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_("Generate Ranges")), 0, wxGROW | wxALL, 4) |
305 |
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controlBox.Add(controlButtonBox, 0, wxGROW, 10) |
307 |
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topBox.Add(controlBox, 1, wxGROW, 10) |
308 |
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EVT_BUTTON(self, ID_CLASSIFY_ADD, self.OnAdd) |
310 |
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EVT_BUTTON(self, ID_CLASSIFY_GENRANGE, self.OnGenRange) |
311 |
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EVT_GRID_CELL_LEFT_DCLICK(self.classGrid, self.OnCellDClick) |
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|
313 |
# |
# |
314 |
# Control buttons: |
# Control buttons: |
328 |
topBox.Fit(self) |
topBox.Fit(self) |
329 |
topBox.SetSizeHints(self) |
topBox.SetSizeHints(self) |
330 |
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|
331 |
def OnPropertySelect(self, event): pass |
def __BuildClassification(self, prop): |
332 |
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|
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clazz = Classification() |
334 |
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clazz.SetField(self.properties.GetStringSelection()) |
335 |
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|
336 |
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numRows = self.classGrid.GetNumberRows() |
337 |
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|
338 |
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if numRows > 0: |
339 |
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table = self.classGrid.GetTable() |
340 |
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clazz.SetDefaultData(table.GetClassData(0)) |
341 |
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|
342 |
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for i in range(1, numRows): |
343 |
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clazz.AddClassData(table.GetClassData(i)) |
344 |
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|
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return clazz |
346 |
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|
347 |
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def OnPropertySelect(self, event): |
348 |
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self.properties.SetClientData( |
349 |
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self.__cur_prop, self.__BuildClassification(self.__cur_prop)) |
350 |
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|
351 |
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self.__cur_prop = self.properties.GetSelection() |
352 |
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clazz = self.properties.GetClientData(self.__cur_prop) |
353 |
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table = self.classGrid.GetTable() |
354 |
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|
355 |
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table.Reset(clazz, self.layer.ShapeType()) |
356 |
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|
357 |
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def OnOK(self, event): |
358 |
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"""Put the data from the table into a new Classification and hand |
359 |
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it to the layer. |
360 |
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""" |
361 |
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|
362 |
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clazz = self.properties.GetClientData(self.__cur_prop) |
363 |
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|
364 |
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# |
365 |
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# only build the classification if there wasn't one to |
366 |
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# to begin with or it has been modified |
367 |
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# |
368 |
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if clazz is None or self.classGrid.GetTable().IsModified(): |
369 |
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clazz = self.__BuildClassification(self.__cur_prop) |
370 |
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|
371 |
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clazz.SetLayer(self.layer) |
372 |
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|
373 |
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self.layer.SetClassification(clazz) |
374 |
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|
375 |
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self.EndModal(wxID_OK) |
376 |
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|
377 |
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def OnCancel(self, event): |
378 |
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"""Do nothing. The layer's current classification stays the same.""" |
379 |
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self.EndModal(wxID_CANCEL) |
380 |
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|
381 |
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|
382 |
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def OnAdd(self, event): |
383 |
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self.classGrid.GetTable().AddNewDataRow() |
384 |
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print "Classifier.OnAdd()" |
385 |
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|
386 |
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def OnGenRange(self, event): |
387 |
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print "Classifier.OnGenRange()" |
388 |
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|
389 |
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def OnCellDClick(self, event): |
390 |
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r = event.GetRow() |
391 |
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c = event.GetCol() |
392 |
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if c == COL_VISUAL: |
393 |
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prop = self.classGrid.GetTable().GetValueAsCustom(r, c, None) |
394 |
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propDlg = SelectPropertiesDialog(NULL, prop, self.layer.ShapeType()) |
395 |
|
if propDlg.ShowModal() == wxID_OK: |
396 |
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new_prop = propDlg.GetClassData() |
397 |
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prop.SetStroke(new_prop.GetStroke()) |
398 |
|
prop.SetStrokeWidth(new_prop.GetStrokeWidth()) |
399 |
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prop.SetFill(new_prop.GetFill()) |
400 |
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self.classGrid.BeginBatch() |
401 |
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self.classGrid.EndBatch() |
402 |
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propDlg.Destroy() |
403 |
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|
404 |
|
|
405 |
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ID_SELPROP_OK = 4001 |
406 |
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ID_SELPROP_CANCEL = 4002 |
407 |
|
ID_SELPROP_SPINCTRL = 4002 |
408 |
|
|
409 |
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class SelectPropertiesDialog(wxDialog): |
410 |
|
|
411 |
|
def __init__(self, parent, prop, shapeType): |
412 |
|
wxDialog.__init__(self, parent, -1, _("Select Properties"), |
413 |
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style = wxRESIZE_BORDER) |
414 |
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|
415 |
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topBox = wxBoxSizer(wxVERTICAL) |
416 |
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|
417 |
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self.prop = ClassData(classData = prop) |
418 |
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|
419 |
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topBox.Add(wxStaticText(self, -1, _("Stroke Color: ")), |
420 |
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0, wxALIGN_LEFT | wxALL, 4) |
421 |
|
|
422 |
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spinBox = wxBoxSizer(wxHORIZONTAL) |
423 |
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spinBox.Add(wxStaticText(self, -1, _("Stroke Width: ")), |
424 |
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0, wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL | wxBOTTOM, 4) |
425 |
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self.spinCtrl = wxSpinCtrl(self, ID_SELPROP_SPINCTRL, |
426 |
|
min=1, max=10, |
427 |
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value=str(prop.GetStrokeWidth()), |
428 |
|
initial=prop.GetStrokeWidth()) |
429 |
|
|
430 |
|
EVT_SPINCTRL(self, ID_SELPROP_SPINCTRL, self.OnSpin) |
431 |
|
|
432 |
|
spinBox.Add(self.spinCtrl, 0, wxALIGN_LEFT | wxALL, 4) |
433 |
|
|
434 |
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topBox.Add(spinBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10) |
435 |
|
|
436 |
|
if shapeType != SHAPETYPE_ARC: |
437 |
|
topBox.Add(wxStaticText(self, -1, _("Fill Color: ")), |
438 |
|
0, wxALIGN_LEFT | wxBOTTOM, 4) |
439 |
|
|
440 |
|
# |
441 |
|
# Control buttons: |
442 |
|
# |
443 |
|
buttonBox = wxBoxSizer(wxHORIZONTAL) |
444 |
|
buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")), |
445 |
|
0, wxALL, 4) |
446 |
|
buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")), |
447 |
|
0, wxALL, 4) |
448 |
|
topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10) |
449 |
|
|
450 |
|
EVT_BUTTON(self, ID_SELPROP_OK, self.OnOK) |
451 |
|
EVT_BUTTON(self, ID_SELPROP_CANCEL, self.OnCancel) |
452 |
|
|
453 |
|
self.SetAutoLayout(true) |
454 |
|
self.SetSizer(topBox) |
455 |
|
topBox.Fit(self) |
456 |
|
topBox.SetSizeHints(self) |
457 |
|
|
458 |
def OnOK(self, event): |
def OnOK(self, event): |
459 |
self.EndModal(wxID_OK) |
self.EndModal(wxID_OK) |
460 |
|
|
461 |
def OnCancel(self, event): |
def OnCancel(self, event): |
462 |
self.EndModal(wxID_CANCEL) |
self.EndModal(wxID_CANCEL) |
463 |
|
|
464 |
|
def OnSpin(self, event): |
465 |
|
self.prop.SetStrokeWidth(self.spinCtrl.GetValue()) |
466 |
|
|
467 |
|
def GetClassData(self): |
468 |
|
return self.prop |
469 |
|
|
470 |
|
|
471 |
|
class ClassDataPreviewer: |
472 |
|
|
473 |
|
def Draw(self, dc, rect, data, shapeType): |
474 |
|
|
475 |
|
stroke = data.GetStroke() |
476 |
|
if stroke is Color.None: |
477 |
|
pen = wxTRANSPARENT_PEN |
478 |
|
else: |
479 |
|
pen = wxPen(wxColour(stroke.red * 255, |
480 |
|
stroke.green * 255, |
481 |
|
stroke.blue * 255), |
482 |
|
data.GetStrokeWidth(), |
483 |
|
wxSOLID) |
484 |
|
|
485 |
|
stroke = data.GetFill() |
486 |
|
if stroke is Color.None: |
487 |
|
brush = wxTRANSPARENT_BRUSH |
488 |
|
else: |
489 |
|
brush = wxBrush(wxColour(stroke.red * 255, |
490 |
|
stroke.green * 255, |
491 |
|
stroke.blue * 255), wxSOLID) |
492 |
|
|
493 |
|
dc.SetPen(pen) |
494 |
|
dc.SetBrush(brush) |
495 |
|
|
496 |
|
if shapeType == SHAPETYPE_ARC: |
497 |
|
dc.DrawSpline([wxPoint(rect.GetX(), rect.GetY() + rect.GetHeight()), |
498 |
|
wxPoint(rect.GetX() + rect.GetWidth()/2, |
499 |
|
rect.GetY() + rect.GetHeight()/4), |
500 |
|
wxPoint(rect.GetX() + rect.GetWidth()/2, |
501 |
|
rect.GetY() + rect.GetHeight()/4*3), |
502 |
|
wxPoint(rect.GetX() + rect.GetWidth(), rect.GetY())]) |
503 |
|
|
504 |
|
elif shapeType == SHAPETYPE_POINT or \ |
505 |
|
shapeType == SHAPETYPE_POLYGON: |
506 |
|
|
507 |
|
dc.DrawCircle(rect.GetX() + rect.GetWidth()/2, |
508 |
|
rect.GetY() + rect.GetHeight()/2, |
509 |
|
(min(rect.GetWidth(), rect.GetHeight()) |
510 |
|
- data.GetStrokeWidth())/2) |
511 |
|
|
512 |
|
class ClassRenderer(wxPyGridCellRenderer): |
513 |
|
|
514 |
|
def __init__(self, shapeType): |
515 |
|
wxPyGridCellRenderer.__init__(self) |
516 |
|
self.shapeType = shapeType |
517 |
|
|
518 |
|
def Draw(self, grid, attr, dc, rect, row, col, isSelected): |
519 |
|
data = grid.GetTable().GetValueAsCustom(row, col, "") |
520 |
|
|
521 |
|
|
522 |
|
dc.SetClippingRegion(rect.GetX(), rect.GetY(), |
523 |
|
rect.GetWidth(), rect.GetHeight()) |
524 |
|
dc.SetPen(wxPen(wxLIGHT_GREY)) |
525 |
|
dc.SetBrush(wxBrush(wxLIGHT_GREY, wxSOLID)) |
526 |
|
dc.DrawRectangle(rect.GetX(), rect.GetY(), |
527 |
|
rect.GetWidth(), rect.GetHeight()) |
528 |
|
|
529 |
|
ClassDataPreviewer().Draw(dc, rect, data, self.shapeType) |
530 |
|
|
531 |
|
if isSelected: |
532 |
|
dc.SetPen(wxPen(wxColour(0 * 255, 0 * 255, 0 * 255), |
533 |
|
4, wxSOLID)) |
534 |
|
dc.SetBrush(wxTRANSPARENT_BRUSH) |
535 |
|
dc.DrawRectangle(rect.GetX(), rect.GetY(), |
536 |
|
rect.GetWidth(), rect.GetHeight()) |
537 |
|
|
538 |
|
dc.DestroyClippingRegion() |
539 |
|
|