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# Copyright (c) 2001 by Intevation GmbH |
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# Authors: |
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# Bernhard Herzog <[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. |
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|
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"""Common Thuban specific control widgets""" |
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|
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__version__ = "$Revision$" |
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|
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from wxPython.wx import wxListCtrl, wxLC_REPORT, wxLIST_AUTOSIZE_USEHEADER, \ |
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EVT_LIST_ITEM_SELECTED |
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|
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|
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class RecordListCtrl(wxListCtrl): |
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|
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"""List Control showing a single record from a thuban table""" |
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|
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def __init__(self, parent, id): |
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wxListCtrl.__init__(self, parent, id, style = wxLC_REPORT) |
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|
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self.InsertColumn(0, "Field") |
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self.SetColumnWidth(0, wxLIST_AUTOSIZE_USEHEADER) |
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self.InsertColumn(1, "Value") |
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self.SetColumnWidth(1, wxLIST_AUTOSIZE_USEHEADER) |
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|
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# vaues maps row numbers to the corresponding python values |
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self.values = {} |
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|
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def fill_list(self, table, shape): |
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"""Fill self with the contents shape's record from table""" |
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self.DeleteAllItems() |
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values = {} |
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|
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if shape is not None: |
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num_cols = table.field_count() |
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|
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names = [] |
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for i in range(num_cols): |
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type, name, length, decc = table.field_info(i) |
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names.append(name) |
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record = table.read_record(shape) |
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|
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for i in range(len(names)): |
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name = names[i] |
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value = record[name] |
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self.InsertStringItem(i, name) |
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self.SetStringItem(i, 1, str(value)) |
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values[i] = value |
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|
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self.values = values |
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|
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class SelectableRecordListCtrl(RecordListCtrl): |
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|
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def __init__(self, parent, id): |
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RecordListCtrl.__init__(self, parent, id) |
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|
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# selected is the index of the selected record or -1 if none is |
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# selected |
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self.selected = -1 |
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EVT_LIST_ITEM_SELECTED(self, self.GetId(), self.OnItemSelected) |
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|
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def OnItemSelected(self, event): |
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"""Event handler. Update the selected instvar""" |
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self.selected = event.m_itemIndex |
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|
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def GetValue(self): |
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"""Return the currently selected value. None if no value is selected""" |
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if self.selected >= 0: |
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return self.values[self.selected] |
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else: |
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return None |