Thuban/UI/classifier.py

# Copyright (c) 2001 by Intevation GmbH
# Authors:
# Jonathan Coles <[email protected]>
#
# This program is free software under the GPL (>=v2)
# Read the file COPYING coming with Thuban for details.

"""Dialog for classifying how layers are displayed"""

__version__ = "$Revision$"

import copy

from wxPython.wx import *
from wxPython.grid import *

from Thuban import _

ID_PROPERTY_SELECT = 4010
ID_CLASS_TABLE = 40011

ID_CLASSIFY_OK = 4001
ID_CLASSIFY_CANCEL = 4002

class ClassTable(wxPyGridTableBase):

    def __init__(self, clinfo):
        wxPyGridTableBase.__init__(self)
        self.clinfo = copy.deepcopy(clinfo)

        self.tdata = []

        for value, data in self.clinfo.points.items():
            self.tdata.append([data, value])

        for range in self.clinfo.ranges:
            self.tdata.append([range[2], '%s-%s' % range[0], range[1]])

        self.SetColLabelValue(1, "Data Values")
 
    def GetNumberRows(self):
        return len(self.tdata)

    def GetNumberCols(self):
        return 2

    def IsEmptyCell(self, row, col):
        return false

    def GetValue(self, row, col):
        return self.tdata[row][col]

    def SetValue(self, row, col, value):
        pass
    

class Classifier(wxDialog):
    
    def __init__(self, parent, layer):
        wxDialog.__init__(self, parent, -1, _("Classify"),
                          style = wxRESIZE_BORDER)

        topBox = wxBoxSizer(wxVERTICAL)

        propertyBox = wxBoxSizer(wxHORIZONTAL)
        propertyBox.Add(wxStaticText(self, -1, _("Property")),
            0, wxALIGN_CENTER | wxALL, 4)

        self.properties = wxComboBox(self, ID_PROPERTY_SELECT, "",
                                     style = wxCB_READONLY)

        self.num_cols = layer.table.field_count()
        cur_hilight = 0
        for i in range(self.num_cols):
            type, name, len, decc = layer.table.field_info(i)
            if name == layer.classification.field:
                cur_hilight = i
            self.properties.Append(name)

        self.properties.SetSelection(cur_hilight)
        propertyBox.Add(self.properties, 0, wxGROW, 4)
        EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self.OnPropertySelect)

        topBox.Add(propertyBox, 0, wxGROW, 4)

        #
        # Classification data table
        #

        self.classTable = wxGrid(self, ID_CLASS_TABLE, size=(300, 150))

        table = ClassTable(layer.classification)
        self.classTable.SetTable(table, true)

        topBox.Add(self.classTable, 0, wxGROW, 0)

        #
        # Control buttons:
        #
        buttonBox = wxBoxSizer(wxHORIZONTAL)
        buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")),
                      0, wxALL, 4)
        buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")),
                      0, wxALL, 4)
        topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALIGN_BOTTOM, 10)

        EVT_BUTTON(self, ID_CLASSIFY_OK, self.OnOK)
        EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self.OnCancel)

        self.SetAutoLayout(true)
        self.SetSizer(topBox)
        topBox.Fit(self)
        topBox.SetSizeHints(self) 

    def OnPropertySelect(self, event): pass
 
    def OnOK(self, event):
        self.EndModal(wxID_OK)

    def OnCancel(self, event):
        self.EndModal(wxID_CANCEL)

1	jonathan	372	# Copyright (c) 2001 by Intevation GmbH
2			# Authors:
3			# Jonathan Coles <[email protected]>
4			#
5			# This program is free software under the GPL (>=v2)
6			# Read the file COPYING coming with Thuban for details.
7
8			"""Dialog for classifying how layers are displayed"""
9
10			__version__ = "$Revision$"
11
12	jonathan	376	import copy
13
14	jonathan	372	from wxPython.wx import *
15			from wxPython.grid import *
16
17	jan	374	from Thuban import _
18
19	jonathan	372	ID_PROPERTY_SELECT = 4010
20			ID_CLASS_TABLE = 40011
21
22			ID_CLASSIFY_OK = 4001
23			ID_CLASSIFY_CANCEL = 4002
24
25	jonathan	376	class ClassTable(wxPyGridTableBase):
26
27			def __init__(self, clinfo):
28			wxPyGridTableBase.__init__(self)
29			self.clinfo = copy.deepcopy(clinfo)
30
31			self.tdata = []
32
33			for value, data in self.clinfo.points.items():
34			self.tdata.append([data, value])
35
36			for range in self.clinfo.ranges:
37			self.tdata.append([range[2], '%s-%s' % range[0], range[1]])
38
39			self.SetColLabelValue(1, "Data Values")
40
41			def GetNumberRows(self):
42			return len(self.tdata)
43
44			def GetNumberCols(self):
45			return 2
46
47			def IsEmptyCell(self, row, col):
48			return false
49
50			def GetValue(self, row, col):
51			return self.tdata[row][col]
52
53			def SetValue(self, row, col, value):
54			pass
55
56
57
58	jonathan	372	class Classifier(wxDialog):
59
60			def __init__(self, parent, layer):
61	jan	374	wxDialog.__init__(self, parent, -1, _("Classify"),
62	jonathan	372	style = wxRESIZE_BORDER)
63
64			topBox = wxBoxSizer(wxVERTICAL)
65
66			propertyBox = wxBoxSizer(wxHORIZONTAL)
67	jan	374	propertyBox.Add(wxStaticText(self, -1, _("Property")),
68	jonathan	372	0, wxALIGN_CENTER \| wxALL, 4)
69
70			self.properties = wxComboBox(self, ID_PROPERTY_SELECT, "",
71			style = wxCB_READONLY)
72
73			self.num_cols = layer.table.field_count()
74	jonathan	376	cur_hilight = 0
75	jonathan	372	for i in range(self.num_cols):
76			type, name, len, decc = layer.table.field_info(i)
77	jonathan	376	if name == layer.classification.field:
78			cur_hilight = i
79	jonathan	372	self.properties.Append(name)
80
81	jonathan	376	self.properties.SetSelection(cur_hilight)
82			propertyBox.Add(self.properties, 0, wxGROW, 4)
83	jonathan	372	EVT_COMBOBOX(self, ID_PROPERTY_SELECT, self.OnPropertySelect)
84
85	jonathan	376	topBox.Add(propertyBox, 0, wxGROW, 4)
86	jonathan	372
87			#
88			# Classification data table
89			#
90
91	jonathan	376	self.classTable = wxGrid(self, ID_CLASS_TABLE, size=(300, 150))
92
93			table = ClassTable(layer.classification)
94	jonathan	372	self.classTable.SetTable(table, true)
95	jonathan	376
96			topBox.Add(self.classTable, 0, wxGROW, 0)
97	jonathan	372
98			#
99			# Control buttons:
100			#
101			buttonBox = wxBoxSizer(wxHORIZONTAL)
102	jan	374	buttonBox.Add(wxButton(self, ID_CLASSIFY_OK, _("OK")),
103	jonathan	372	0, wxALL, 4)
104	jan	374	buttonBox.Add(wxButton(self, ID_CLASSIFY_CANCEL, _("Cancel")),
105	jonathan	372	0, wxALL, 4)
106			topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL\|wxALIGN_BOTTOM, 10)
107
108			EVT_BUTTON(self, ID_CLASSIFY_OK, self.OnOK)
109			EVT_BUTTON(self, ID_CLASSIFY_CANCEL, self.OnCancel)
110
111			self.SetAutoLayout(true)
112			self.SetSizer(topBox)
113			topBox.Fit(self)
114			topBox.SetSizeHints(self)
115
116			def OnPropertySelect(self, event): pass
117
118			def OnOK(self, event):
119			self.EndModal(wxID_OK)
120
121			def OnCancel(self, event):
122			self.EndModal(wxID_CANCEL)
123
Name	Value
svn:eol-style	native
svn:keywords	Author Date Id Revision