| 15 |
from wxPython.grid import * |
from wxPython.grid import * |
| 16 |
|
|
| 17 |
from Thuban import _ |
from Thuban import _ |
| 18 |
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from Thuban.common import * |
| 19 |
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from Thuban.UI.common import * |
| 20 |
|
|
| 21 |
from Thuban.Model.classification import Classification |
from Thuban.Model.classification import * |
| 22 |
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|
| 23 |
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from Thuban.Model.color import Color |
| 24 |
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|
| 25 |
from Thuban.Model.layer import SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT |
from Thuban.Model.layer import SHAPETYPE_ARC, SHAPETYPE_POLYGON, SHAPETYPE_POINT |
| 26 |
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|
| 29 |
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|
| 30 |
ID_CLASSIFY_OK = 4001 |
ID_CLASSIFY_OK = 4001 |
| 31 |
ID_CLASSIFY_CANCEL = 4002 |
ID_CLASSIFY_CANCEL = 4002 |
| 32 |
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ID_CLASSIFY_ADD = 4003 |
| 33 |
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ID_CLASSIFY_GENRANGE = 4004 |
| 34 |
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ID_CLASSIFY_REMOVE = 4005 |
| 35 |
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|
| 36 |
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COL_VISUAL = 0 |
| 37 |
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COL_VALUE = 1 |
| 38 |
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COL_LABEL = 2 |
| 39 |
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|
| 40 |
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FIELD_CLASS = 0 |
| 41 |
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FIELD_TYPE = 1 |
| 42 |
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FIELD_NAME = 2 |
| 43 |
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|
| 44 |
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FIELD_TYPE_STRING = "string" |
| 45 |
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FIELD_TYPE_INT = "int" |
| 46 |
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FIELD_TYPE_DOUBLE = "double" |
| 47 |
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|
| 48 |
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# |
| 49 |
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# this is a silly work around to ensure that the table that is |
| 50 |
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# passed into SetTable is the same that is returned by GetTable |
| 51 |
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# |
| 52 |
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import weakref |
| 53 |
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class ClassGrid(wxGrid): |
| 54 |
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|
| 55 |
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def __init__(self, parent, layer, fieldData): |
| 56 |
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wxGrid.__init__(self, parent, ID_CLASS_TABLE, size = (340, 160)) |
| 57 |
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self.SetTable(ClassTable(fieldData, layer.ShapeType(), self), true) |
| 58 |
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self.SetSelectionMode(wxGrid.wxGridSelectRows) |
| 59 |
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EVT_GRID_CELL_LEFT_DCLICK(self, self.OnCellDClick) |
| 60 |
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|
| 61 |
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EVT_GRID_RANGE_SELECT(self, self._OnSelectedRange) |
| 62 |
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EVT_GRID_SELECT_CELL(self, self._OnSelectedCell) |
| 63 |
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|
| 64 |
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self.layer = layer |
| 65 |
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self.currentSelection = [] |
| 66 |
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|
| 67 |
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def GetCurrentSelection(self): |
| 68 |
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sel = copy.copy(self.currentSelection) |
| 69 |
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sel.sort() |
| 70 |
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return sel |
| 71 |
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|
| 72 |
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def SetCellRenderer(self, row, col): |
| 73 |
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raise ValueError(_("Must not allow setting of renderer in ClassGrid!")) |
| 74 |
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|
| 75 |
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def SetTable(self, object, *attributes): |
| 76 |
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self.tableRef = weakref.ref(object) |
| 77 |
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return wxGrid.SetTable(self, object, *attributes) |
| 78 |
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|
| 79 |
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def GetTable(self): |
| 80 |
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return self.tableRef() |
| 81 |
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|
| 82 |
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def DeleteSelectedRows(self): |
| 83 |
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sel = self.GetCurrentSelection() |
| 84 |
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|
| 85 |
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if len(sel) == 0: return |
| 86 |
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if len(sel) == 1: |
| 87 |
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group = self.GetTable().GetValueAsCustom(sel[0], COL_VISUAL, None) |
| 88 |
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if isinstance(group, ClassGroupDefault): |
| 89 |
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wxMessageDialog(self, |
| 90 |
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"The Default group cannot be removed.", |
| 91 |
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style = wxOK | wxICON_EXCLAMATION).ShowModal() |
| 92 |
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return |
| 93 |
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|
| 94 |
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self.ClearSelection() |
| 95 |
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|
| 96 |
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sel.reverse() |
| 97 |
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table = self.GetTable() |
| 98 |
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for row in sel: |
| 99 |
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table.DeleteRows(row) |
| 100 |
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|
| 101 |
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if len(sel) == 1: |
| 102 |
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r = sel[0] |
| 103 |
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if r > self.GetNumberRows() - 1: |
| 104 |
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r = self.GetNumberRows() - 1 |
| 105 |
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self.SelectRow(r) |
| 106 |
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|
| 107 |
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# |
| 108 |
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# XXX: This isn't working, and there is no way to deselect rows wxPython! |
| 109 |
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# |
| 110 |
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# def DeselectRow(self, row): |
| 111 |
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# self.ProcessEvent( |
| 112 |
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# wxGridRangeSelectEvent(-1, |
| 113 |
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# wxEVT_GRID_RANGE_SELECT, |
| 114 |
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# self, |
| 115 |
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# (row, row), (row, row), |
| 116 |
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# sel = False)) |
| 117 |
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|
| 118 |
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def OnCellDClick(self, event): |
| 119 |
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r = event.GetRow() |
| 120 |
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c = event.GetCol() |
| 121 |
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if c == COL_VISUAL: |
| 122 |
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# XXX: getting the properties is only possible with non-Maps!!! |
| 123 |
|
group = self.GetTable().GetValueAsCustom(r, c, None) |
| 124 |
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prop = group.GetProperties() |
| 125 |
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propDlg = SelectPropertiesDialog(NULL, prop, self.layer.ShapeType()) |
| 126 |
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if propDlg.ShowModal() == wxID_OK: |
| 127 |
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new_prop = propDlg.GetClassGroupProperties() |
| 128 |
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prop.SetStroke(new_prop.GetStroke()) |
| 129 |
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prop.SetStrokeWidth(new_prop.GetStrokeWidth()) |
| 130 |
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prop.SetFill(new_prop.GetFill()) |
| 131 |
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self.Refresh() |
| 132 |
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propDlg.Destroy() |
| 133 |
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|
| 134 |
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# |
| 135 |
|
# _OnSelectedRange() and _OnSelectedCell() were borrowed |
| 136 |
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# from http://wiki.wxpython.org |
| 137 |
|
# |
| 138 |
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def _OnSelectedRange(self, event): |
| 139 |
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"""Internal update to the selection tracking list""" |
| 140 |
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if event.Selecting(): |
| 141 |
|
for index in range( event.GetTopRow(), event.GetBottomRow()+1): |
| 142 |
|
if index not in self.currentSelection: |
| 143 |
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self.currentSelection.append( index ) |
| 144 |
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else: |
| 145 |
|
for index in range( event.GetTopRow(), event.GetBottomRow()+1): |
| 146 |
|
while index in self.currentSelection: |
| 147 |
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self.currentSelection.remove( index ) |
| 148 |
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#self.ConfigureForSelection() |
| 149 |
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|
| 150 |
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event.Skip() |
| 151 |
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|
| 152 |
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def _OnSelectedCell( self, event ): |
| 153 |
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"""Internal update to the selection tracking list""" |
| 154 |
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self.currentSelection = [ event.GetRow() ] |
| 155 |
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#self.ConfigureForSelection() |
| 156 |
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event.Skip() |
| 157 |
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|
| 158 |
class ClassTable(wxPyGridTableBase): |
class ClassTable(wxPyGridTableBase): |
| 159 |
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|
| 160 |
def __init__(self, clinfo): |
NUM_COLS = 3 |
|
wxPyGridTableBase.__init__(self) |
|
|
self.clinfo = copy.deepcopy(clinfo) |
|
| 161 |
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|
| 162 |
|
__col_labels = [_("Symbol"), _("Value"), _("Label")] |
| 163 |
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|
| 164 |
|
def __init__(self, fieldData, shapeType, view = None): |
| 165 |
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wxPyGridTableBase.__init__(self) |
| 166 |
|
self.SetView(view) |
| 167 |
self.tdata = [] |
self.tdata = [] |
| 168 |
|
|
| 169 |
self.tdata.append([self.clinfo.DefaultData, 'DEFAULT']) |
self.Reset(fieldData, shapeType) |
| 170 |
|
|
| 171 |
for value, data in self.clinfo.points.items(): |
def Reset(self, fieldData, shapeType): |
|
self.tdata.append([data, value]) |
|
| 172 |
|
|
| 173 |
for range in self.clinfo.ranges: |
self.GetView().BeginBatch() |
| 174 |
self.tdata.append([range[2], '%s-%s' % range[0], range[1]]) |
|
| 175 |
|
self.fieldData = fieldData |
| 176 |
|
self.shapeType = shapeType |
| 177 |
|
self.renderer = ClassRenderer(self.shapeType) |
| 178 |
|
|
| 179 |
|
old_len = len(self.tdata) |
| 180 |
|
|
| 181 |
|
self.tdata = [] |
| 182 |
|
|
| 183 |
|
clazz = fieldData[FIELD_CLASS] |
| 184 |
|
if clazz is None: |
| 185 |
|
clazz = Classification() |
| 186 |
|
|
| 187 |
|
# p = clazz.GetDefaultGroup() |
| 188 |
|
# np = ClassDataDefault(classData = p) |
| 189 |
|
# self.tdata.append([np, 'DEFAULT', np.GetLabel()]) |
| 190 |
|
|
| 191 |
|
# for p in clazz.points.values(): |
| 192 |
|
# np = ClassDataPoint(p.GetValue(), classData = p) |
| 193 |
|
# self.tdata.append([np, np.GetValue(), np.GetLabel()]) |
| 194 |
|
|
| 195 |
|
# for p in clazz.ranges: |
| 196 |
|
# np = ClassDataRange(p.GetMin(), p.GetMax(), classData = p) |
| 197 |
|
# self.tdata.append([np, |
| 198 |
|
# '%s - %s' % (np.GetMin(), np.GetMax()), |
| 199 |
|
# np.GetLabel()]) |
| 200 |
|
|
| 201 |
|
i = 0 |
| 202 |
|
for p in clazz: |
| 203 |
|
np = copy.copy(p) |
| 204 |
|
self.__SetRow(i, np) |
| 205 |
|
i += 1 |
| 206 |
|
|
|
self.SetColLabelValue(1, _("Data Values")) |
|
| 207 |
|
|
| 208 |
|
self.modified = 0 |
| 209 |
|
|
| 210 |
|
self.__NotifyRowChanges(old_len, len(self.tdata)) |
| 211 |
|
self.GetView().EndBatch() |
| 212 |
|
|
| 213 |
|
def __NotifyRowChanges(self, curRows, newRows): |
| 214 |
|
# |
| 215 |
|
# silly message processing for updates to the number of |
| 216 |
|
# rows and columns |
| 217 |
|
# |
| 218 |
|
if newRows > curRows: |
| 219 |
|
msg = wxGridTableMessage(self, |
| 220 |
|
wxGRIDTABLE_NOTIFY_ROWS_APPENDED, |
| 221 |
|
newRows - curRows) # how many |
| 222 |
|
self.GetView().ProcessTableMessage(msg) |
| 223 |
|
elif newRows < curRows: |
| 224 |
|
msg = wxGridTableMessage(self, |
| 225 |
|
wxGRIDTABLE_NOTIFY_ROWS_DELETED, |
| 226 |
|
curRows - newRows, # position |
| 227 |
|
curRows - newRows) # how many |
| 228 |
|
self.GetView().ProcessTableMessage(msg) |
| 229 |
|
|
| 230 |
|
|
| 231 |
|
def __SetRow(self, row, group): |
| 232 |
|
|
| 233 |
|
if isinstance(group, ClassGroupDefault): |
| 234 |
|
data = [group, _('DEFAULT'), group.GetLabel()] |
| 235 |
|
elif isinstance(group, ClassGroupSingleton): |
| 236 |
|
data = [group, group.GetValue(), group.GetLabel()] |
| 237 |
|
elif isinstance(group, ClassGroupRange): |
| 238 |
|
data = [group, |
| 239 |
|
_('%s - %s') % (group.GetMin(), group.GetMax()), |
| 240 |
|
group.GetLabel()] |
| 241 |
|
|
| 242 |
|
if row >= len(self.tdata): |
| 243 |
|
self.tdata.append(data) |
| 244 |
|
else: |
| 245 |
|
self.tdata[row] = data |
| 246 |
|
|
| 247 |
|
def GetColLabelValue(self, col): |
| 248 |
|
return self.__col_labels[col] |
| 249 |
|
|
| 250 |
|
def GetRowLabelValue(self, row): |
| 251 |
|
data = self.tdata[row][COL_VISUAL] |
| 252 |
|
if isinstance(data, ClassGroupDefault): return _("Default") |
| 253 |
|
if isinstance(data, ClassGroupSingleton): return _("Singleton") |
| 254 |
|
if isinstance(data, ClassGroupRange): return _("Range") |
| 255 |
|
if isinstance(data, ClassGroupMap): return _("Map") |
| 256 |
|
|
| 257 |
def GetNumberRows(self): |
def GetNumberRows(self): |
| 258 |
return len(self.tdata) |
return len(self.tdata) |
| 259 |
|
|
| 260 |
def GetNumberCols(self): |
def GetNumberCols(self): |
| 261 |
return 2 |
return self.NUM_COLS |
| 262 |
|
|
| 263 |
def IsEmptyCell(self, row, col): |
def IsEmptyCell(self, row, col): |
| 264 |
return false |
return 0 |
| 265 |
|
|
| 266 |
def GetValue(self, row, col): |
def GetValue(self, row, col): |
| 267 |
return self.tdata[row][col] |
return self.GetValueAsCustom(row, col, "") |
| 268 |
|
|
| 269 |
def SetValue(self, row, col, value): |
def SetValue(self, row, col, value): |
| 270 |
self.tdata[row][col] = value |
self.SetValueAsCustom(row, col, "", value) |
| 271 |
|
self.__Modified() |
| 272 |
|
|
| 273 |
def GetValueAsCustom(self, row, col, typeName): |
def GetValueAsCustom(self, row, col, typeName): |
| 274 |
return self.tdata[row][col] |
return self.tdata[row][col] |
| 275 |
|
|
| 276 |
|
def __ParseInput(self, value): |
| 277 |
|
"""Try to determine what kind of input value is |
| 278 |
|
(a single number or a range) |
| 279 |
|
""" |
| 280 |
|
|
| 281 |
|
type = self.fieldData[FIELD_TYPE] |
| 282 |
|
|
| 283 |
|
if type == FIELD_TYPE_STRING: |
| 284 |
|
return (value,) |
| 285 |
|
elif type == FIELD_TYPE_INT or type == FIELD_TYPE_DOUBLE: |
| 286 |
|
|
| 287 |
|
# |
| 288 |
|
# first try to take the input as a single number |
| 289 |
|
# if there's an exception try to break it into |
| 290 |
|
# a range seperated by a '-'. take care to ignore |
| 291 |
|
# a leading '-' as that could be for a negative number. |
| 292 |
|
# then try to parse the individual parts. if there |
| 293 |
|
# is an exception here, let it pass up to the calling |
| 294 |
|
# function. |
| 295 |
|
# |
| 296 |
|
try: |
| 297 |
|
return (Str2Num(value),) |
| 298 |
|
except: |
| 299 |
|
i = value.find('-') |
| 300 |
|
if i == 0: |
| 301 |
|
i = value.find('-', 1) |
| 302 |
|
|
| 303 |
|
return (Str2Num(value[:i]), Str2Num(value[i+1:])) |
| 304 |
|
|
| 305 |
|
|
| 306 |
|
def SetValueAsCustom(self, row, col, typeName, value): |
| 307 |
|
group = self.tdata[row][COL_VISUAL] |
| 308 |
|
|
| 309 |
|
if col == COL_VISUAL: |
| 310 |
|
self.tdata[row][COL_VISUAL] = value |
| 311 |
|
elif col == COL_VALUE: |
| 312 |
|
if isinstance(group, ClassGroupDefault): |
| 313 |
|
# not allowed to modify the default value |
| 314 |
|
pass |
| 315 |
|
elif isinstance(group, ClassGroupMap): |
| 316 |
|
# something special |
| 317 |
|
pass |
| 318 |
|
else: # SINGLETON, RANGE |
| 319 |
|
try: |
| 320 |
|
dataInfo = self.__ParseInput(value) |
| 321 |
|
except: |
| 322 |
|
# bad input, ignore the request |
| 323 |
|
pass |
| 324 |
|
else: |
| 325 |
|
|
| 326 |
|
ngroup = group |
| 327 |
|
props = group.GetProperties() |
| 328 |
|
if len(dataInfo) == 1: |
| 329 |
|
if not isinstance(group, ClassGroupSingleton): |
| 330 |
|
ngroup = ClassGroupSingleton(prop = props) |
| 331 |
|
ngroup.SetValue(dataInfo[0]) |
| 332 |
|
elif len(dataInfo) == 2: |
| 333 |
|
if not isinstance(group, ClassGroupRange): |
| 334 |
|
ngroup = ClassGroupRange(prop = props) |
| 335 |
|
ngroup.SetRange(dataInfo[0], dataInfo[1]) |
| 336 |
|
else: |
| 337 |
|
assert(False) |
| 338 |
|
|
| 339 |
|
ngroup.SetLabel(group.GetLabel()) |
| 340 |
|
self.__SetRow(row, ngroup) |
| 341 |
|
|
| 342 |
|
self.GetView().Refresh() |
| 343 |
|
|
| 344 |
|
elif col == COL_LABEL: |
| 345 |
|
group.SetLabel(value) |
| 346 |
|
self.tdata[row][COL_LABEL] = group.GetLabel() |
| 347 |
|
else: |
| 348 |
|
raise ValueError(_("Invalid column request")) |
| 349 |
|
|
| 350 |
|
self.__Modified() |
| 351 |
|
|
| 352 |
|
def GetAttr(self, row, col, someExtraParameter): |
| 353 |
|
attr = wxGridCellAttr() |
| 354 |
|
#attr = wxPyGridTableBase.GetAttr(self, row, col, someExtraParameter) |
| 355 |
|
|
| 356 |
|
if col == COL_VISUAL: |
| 357 |
|
attr.SetRenderer(ClassRenderer(self.shapeType)) |
| 358 |
|
attr.SetReadOnly() |
| 359 |
|
|
| 360 |
|
return attr |
| 361 |
|
|
| 362 |
|
def GetClassGroup(self, row): |
| 363 |
|
return self.tdata[row][COL_VISUAL] |
| 364 |
|
|
| 365 |
|
def __Modified(self): |
| 366 |
|
self.modified = 1 |
| 367 |
|
|
| 368 |
|
def IsModified(self): |
| 369 |
|
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 |
|
|
| 383 |
|
def AppendRows(self, numRows = 1): |
| 384 |
|
old_len = len(self.tdata) |
| 385 |
|
for i in range(numRows): |
| 386 |
|
np = ClassGroupSingleton() |
| 387 |
|
self.tdata.append([np, np.GetValue(), np.GetLabel()]) |
| 388 |
|
self.__Modified() |
| 389 |
|
|
| 390 |
|
if self.IsModified(): |
| 391 |
|
self.__NotifyRowChanges(old_len, len(self.tdata)) |
| 392 |
|
|
| 393 |
|
|
| 394 |
class Classifier(wxDialog): |
class Classifier(wxDialog): |
| 395 |
|
|
| 396 |
def __init__(self, parent, layer): |
def __init__(self, parent, layer): |
| 397 |
wxDialog.__init__(self, parent, -1, _("Classify"), |
wxDialog.__init__(self, parent, -1, _("Classify"), |
| 398 |
style = wxRESIZE_BORDER) |
style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER) |
| 399 |
|
|
| 400 |
|
|
| 401 |
|
self.layer = layer |
| 402 |
|
|
| 403 |
topBox = wxBoxSizer(wxVERTICAL) |
topBox = wxBoxSizer(wxVERTICAL) |
| 404 |
|
|
| 405 |
|
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) |
propertyBox = wxBoxSizer(wxHORIZONTAL) |
| 411 |
propertyBox.Add(wxStaticText(self, -1, _("Property")), |
propertyBox.Add(wxStaticText(self, -1, _("Field: ")), |
| 412 |
0, wxALIGN_CENTER | wxALL, 4) |
0, wxALIGN_CENTER | wxALL, 4) |
| 413 |
|
|
| 414 |
self.properties = wxComboBox(self, ID_PROPERTY_SELECT, "", |
self.fields = wxComboBox(self, ID_PROPERTY_SELECT, "", |
| 415 |
style = wxCB_READONLY) |
style = wxCB_READONLY) |
| 416 |
|
|
| 417 |
self.num_cols = layer.table.field_count() |
self.num_cols = layer.table.field_count() |
| 418 |
cur_hilight = 0 |
# 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): |
for i in range(self.num_cols): |
| 424 |
type, name, len, decc = layer.table.field_info(i) |
type, name, len, decc = layer.table.field_info(i) |
| 425 |
if name == layer.classification.field: |
self.fields.Append(name) |
| 426 |
cur_hilight = i |
|
| 427 |
self.properties.Append(name) |
if name == field: |
| 428 |
|
self.__cur_field = i |
| 429 |
self.properties.SetSelection(cur_hilight) |
self.fields.SetClientData(i, [clazz, type, name, len, decc]) |
| 430 |
propertyBox.Add(self.properties, 1, wxGROW, 4) |
else: |
| 431 |
EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self.OnPropertySelect) |
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) |
topBox.Add(propertyBox, 0, wxGROW, 4) |
| 439 |
|
|
| 441 |
# Classification data table |
# Classification data table |
| 442 |
# |
# |
| 443 |
|
|
| 444 |
self.classTable = wxGrid(self, ID_CLASS_TABLE, size=(300, 150)) |
controlBox = wxBoxSizer(wxHORIZONTAL) |
| 445 |
|
self.classGrid = ClassGrid(self, |
| 446 |
table = ClassTable(layer.classification) |
layer, |
| 447 |
self.classTable.SetTable(table, true) |
self.fields.GetClientData(self.__cur_field)) |
| 448 |
self.classTable.EnableEditing(false) |
|
| 449 |
cr = ClassRenderer(layer.ShapeType()) |
controlBox.Add(self.classGrid, 1, wxGROW, 0) |
| 450 |
for i in range(self.classTable.GetNumberRows()): |
|
| 451 |
self.classTable.SetCellRenderer(i, 0, cr) |
controlButtonBox = wxBoxSizer(wxVERTICAL) |
| 452 |
|
controlButtonBox.Add(wxButton(self, ID_CLASSIFY_ADD, |
| 453 |
topBox.Add(self.classTable, 1, wxGROW, 0) |
_("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: |
# Control buttons: |
| 477 |
EVT_BUTTON(self, ID_CLASSIFY_OK, self.OnOK) |
EVT_BUTTON(self, ID_CLASSIFY_OK, self.OnOK) |
| 478 |
EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self.OnCancel) |
EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self.OnCancel) |
| 479 |
|
|
| 480 |
|
|
| 481 |
|
|
| 482 |
self.SetAutoLayout(true) |
self.SetAutoLayout(true) |
| 483 |
self.SetSizer(topBox) |
self.SetSizer(topBox) |
| 484 |
topBox.Fit(self) |
topBox.Fit(self) |
| 485 |
topBox.SetSizeHints(self) |
topBox.SetSizeHints(self) |
| 486 |
|
|
| 487 |
def OnPropertySelect(self, event): pass |
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): |
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) |
self.EndModal(wxID_OK) |
| 532 |
|
|
| 533 |
def OnCancel(self, event): |
def OnCancel(self, event): |
| 534 |
|
"""Do nothing. The layer's current classification stays the same.""" |
| 535 |
self.EndModal(wxID_CANCEL) |
self.EndModal(wxID_CANCEL) |
| 536 |
|
|
| 537 |
|
def OnAdd(self, event): |
| 538 |
|
self.classGrid.AppendRows() |
| 539 |
|
|
| 540 |
class ClassRenderer(wxPyGridCellRenderer): |
def OnRemove(self, event): |
| 541 |
|
self.classGrid.DeleteSelectedRows() |
| 542 |
|
|
| 543 |
def __init__(self, shapeType): |
def OnGenRange(self, event): |
| 544 |
wxPyGridCellRenderer.__init__(self) |
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 |
self.shapeType = shapeType |
| 672 |
|
|
| 673 |
def Draw(self, grid, attr, dc, rect, row, col, isSelected): |
def OnPaint(self, event): |
| 674 |
value = grid.GetTable().GetValueAsCustom(row, col, "") |
dc = wxPaintDC(self) |
| 675 |
# XXX: check if value is a dictionary |
|
| 676 |
stroke = value.GetStroke() |
# XXX: this doesn't seem to be having an effect: |
| 677 |
if stroke is None: |
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 |
pen = wxTRANSPARENT_PEN |
| 698 |
else: |
else: |
| 699 |
pen = wxPen(wxColour(stroke.red * 255, |
pen = wxPen(Color2wxColour(stroke), |
| 700 |
stroke.green * 255, |
prop.GetStrokeWidth(), |
|
stroke.blue * 255), |
|
|
value.GetStrokeWidth(), |
|
| 701 |
wxSOLID) |
wxSOLID) |
| 702 |
|
|
| 703 |
stroke = value.GetFill() |
stroke = prop.GetFill() |
| 704 |
if stroke is None: |
if stroke is Color.None: |
| 705 |
brush = wxTRANSPARENT_BRUSH |
brush = wxTRANSPARENT_BRUSH |
| 706 |
else: |
else: |
| 707 |
brush = wxBrush(wxColour(stroke.red * 255, |
brush = wxBrush(Color2wxColour(stroke), wxSOLID) |
| 708 |
stroke.green * 255, |
|
| 709 |
stroke.blue * 255), wxSOLID) |
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(), |
dc.SetClippingRegion(rect.GetX(), rect.GetY(), |
| 734 |
rect.GetWidth(), rect.GetHeight()) |
rect.GetWidth(), rect.GetHeight()) |
| 737 |
dc.DrawRectangle(rect.GetX(), rect.GetY(), |
dc.DrawRectangle(rect.GetX(), rect.GetY(), |
| 738 |
rect.GetWidth(), rect.GetHeight()) |
rect.GetWidth(), rect.GetHeight()) |
| 739 |
|
|
| 740 |
dc.SetPen(pen) |
if not isinstance(data, ClassGroupMap): |
| 741 |
dc.SetBrush(brush) |
self.previewer.Draw(dc, rect, data.GetProperties()) |
| 742 |
|
|
| 743 |
if self.shapeType == SHAPETYPE_ARC: |
if isSelected: |
| 744 |
dc.DrawSpline([wxPoint(rect.GetX(), rect.GetY() + rect.GetHeight()), |
dc.SetPen(wxPen(wxColour(0 * 255, 0 * 255, 0 * 255), |
| 745 |
wxPoint(rect.GetX() + rect.GetWidth()/2, |
4, wxSOLID)) |
| 746 |
rect.GetY() + rect.GetHeight()/4), |
dc.SetBrush(wxTRANSPARENT_BRUSH) |
| 747 |
wxPoint(rect.GetX() + rect.GetWidth()/2, |
dc.DrawRectangle(rect.GetX(), rect.GetY(), |
| 748 |
rect.GetY() + rect.GetHeight()/4*3), |
rect.GetWidth(), rect.GetHeight()) |
|
wxPoint(rect.GetX() + rect.GetWidth(), rect.GetY())]) |
|
|
|
|
|
elif self.shapeType == SHAPETYPE_POINT or self.shapeType == SHAPETYPE_POLYGON: |
|
|
dc.DrawCircle(rect.GetX() + rect.GetWidth()/2, |
|
|
rect.GetY() + rect.GetHeight()/2, |
|
|
(min(rect.GetWidth(), rect.GetHeight()) |
|
|
- value.GetStrokeWidth())/2) |
|
| 749 |
|
|
| 750 |
dc.DestroyClippingRegion() |
dc.DestroyClippingRegion() |
| 751 |
|
|
|
|
|
Parent Directory
| 
Revision Log
| 
Patch