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import main |
import main |
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from command import registry, Command |
from command import registry, Command |
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from messages import SELECTED_SHAPE |
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# the directory where the toolbar icons are stored |
# the directory where the toolbar icons are stored |
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class MainWindow(wxFrame): |
class MainWindow(wxFrame): |
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def __init__(self, parent, ID): |
def __init__(self, parent, ID, interactor): |
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wxFrame.__init__(self, parent, ID, 'Thuban', |
wxFrame.__init__(self, parent, ID, 'Thuban', |
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wxDefaultPosition, wxSize(400, 300)) |
wxDefaultPosition, wxSize(400, 300)) |
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toolbar.Realize() |
toolbar.Realize() |
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# Create the map canvas |
# Create the map canvas |
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canvas = view.MapCanvas(self, -1) |
canvas = view.MapCanvas(self, -1, interactor) |
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self.canvas = canvas |
self.canvas = canvas |
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self.init_dialogs() |
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interactor.Subscribe(SELECTED_SHAPE, self.identify_view_on_demand) |
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EVT_CLOSE(self, self.OnClose) |
EVT_CLOSE(self, self.OnClose) |
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def init_ids(self): |
def init_ids(self): |
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if command.IsCheckCommand(): |
if command.IsCheckCommand(): |
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event.Check(command.Checked(self)) |
event.Check(command.Checked(self)) |
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def RunMessageBox(self, title, text, flags = wxOK | wxICON_INFORMATION): |
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"""Run a modla message box with the given text, title and flags |
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and return the result""" |
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dlg = wxMessageDialog(self, text, title, flags) |
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result = dlg.ShowModal() |
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dlg.Destroy() |
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return result |
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def init_dialogs(self): |
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"""Initialize the dialog handling""" |
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# The mainwindow maintains a dict mapping names to open |
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# non-modal dialogs. The dialogs are put into this dict when |
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# they're created and removed when they're closed |
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self.dialogs = {} |
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def add_dialog(self, name, dialog): |
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if self.dialogs.has_key(name): |
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raise RuntimeError("The Dialog named %s is already open" % name) |
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self.dialogs[name] = dialog |
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def dialog_open(self, name): |
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return self.dialogs.has_key(name) |
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def remove_dialog(self, name): |
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del self.dialogs[name] |
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def get_open_dialog(self, name): |
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return self.dialogs.get(name) |
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def NewSession(self): |
def NewSession(self): |
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session = Session("") |
session = Session("") |
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session.AddMap(Map("")) |
session.AddMap(Map("")) |
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flags = wxYES_NO | wxICON_QUESTION |
flags = wxYES_NO | wxICON_QUESTION |
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if event.CanVeto(): |
if event.CanVeto(): |
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flags = flags | wxCANCEL |
flags = flags | wxCANCEL |
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dlg = wxMessageDialog(self, |
result = self.RunMessageBox("Exit", |
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("The session has been modified." |
("The session has been modified." |
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" Do you want to save it?"), |
" Do you want to save it?"), |
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"Exit", flags) |
flags) |
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result = dlg.ShowModal() |
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dlg.Destroy() |
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if result == wxID_YES: |
if result == wxID_YES: |
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self.SaveSession() |
self.SaveSession() |
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elif result == wxID_CANCEL: |
elif result == wxID_CANCEL: |
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self.canvas.SetMap(map) |
self.canvas.SetMap(map) |
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def About(self): |
def About(self): |
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dlg = wxMessageDialog(self, |
self.RunMessageBox("About", |
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("Thuban is a program for\n" |
("Thuban is a program for\n" |
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"exploring geographic data.\n" |
"exploring geographic data.\n" |
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"Copyright (C) 2001 Intevation GmbH.\n" |
"Copyright (C) 2001 Intevation GmbH.\n" |
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"Thuban is licensed under the GPL"), |
"Thuban is licensed under the GPL"), |
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"About", wxOK | wxICON_INFORMATION) |
wxOK | wxICON_INFORMATION) |
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dlg.ShowModal() |
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dlg.Destroy() |
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def AddLayer(self): |
def AddLayer(self): |
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dlg = wxFileDialog(self, "Select a session file", ".", "", "*.*", |
dlg = wxFileDialog(self, "Select a session file", ".", "", "*.*", |
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filename = dlg.GetPath() |
filename = dlg.GetPath() |
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title = os.path.splitext(os.path.basename(filename))[0] |
title = os.path.splitext(os.path.basename(filename))[0] |
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layer = Layer(title, filename) |
layer = Layer(title, filename) |
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self.canvas.Map().AddLayer(layer) |
map = self.canvas.Map() |
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has_layers = map.HasLayers() |
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try: |
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map.AddLayer(layer) |
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except IOError: |
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# the layer couldn't be opened |
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self.RunMessageBox("Add Layer", |
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"Can't open the file '%s'." % filename) |
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else: |
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if not has_layers: |
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# if we're adding a layer to an empty map, for the |
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# new map to the window |
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self.canvas.FitMapToWindow() |
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dlg.Destroy() |
dlg.Destroy() |
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def RemoveLayer(self): |
def RemoveLayer(self): |
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layer = self.current_layer() |
layer = self.current_layer() |
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if layer is not None: |
if layer is not None: |
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self.canvas.Map().RemoveLayer(layer) |
self.canvas.Map().RemoveLayer(layer) |
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else: |
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dlg = wxMessageDialog(self, "No layer is selected.\n", |
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"Remove layer", wxOK | wxICON_INFORMATION) |
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dlg.ShowModal() |
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dlg.Destroy() |
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def RaiseLayer(self): |
def RaiseLayer(self): |
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layer = self.current_layer() |
layer = self.current_layer() |
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def LayerShowTable(self): |
def LayerShowTable(self): |
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layer = self.current_layer() |
layer = self.current_layer() |
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if layer is not None: |
if layer is not None: |
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tv = tableview.TableFrame(self, layer.table) |
table = layer.table |
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tv.Show(true) |
name = "table_view" + str(id(table)) |
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dialog = self.get_open_dialog(name) |
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if dialog is None: |
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dialog = tableview.TableFrame(self, main.app.interactor, name, |
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"Table: %s" % layer.Title(), |
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layer, table) |
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self.add_dialog(name, dialog) |
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dialog.Show(true) |
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else: |
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# FIXME: bring dialog to front here |
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pass |
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def Projection(self): |
def Projection(self): |
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map = self.canvas.Map() |
map = self.canvas.Map() |
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self.canvas.PanTool() |
self.canvas.PanTool() |
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def IdentifyTool(self): |
def IdentifyTool(self): |
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if self.identify_view is None: |
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self.identify_view = identifyview.IdentifyView(self, main.app) |
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self.identify_view.Show(true) |
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self.canvas.IdentifyTool() |
self.canvas.IdentifyTool() |
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def LabelTool(self): |
def LabelTool(self): |
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def PrintMap(self): |
def PrintMap(self): |
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self.canvas.Print() |
self.canvas.Print() |
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def identify_view_on_demand(self, layer, shape): |
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name = "identify_view" |
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if self.canvas.CurrentTool() == "IdentifyTool": |
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if not self.dialog_open(name): |
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dialog = identifyview.IdentifyView(self, main.app.interactor, |
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name) |
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self.add_dialog(name, dialog) |
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dialog.Show(true) |
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else: |
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# FIXME: bring dialog to front? |
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pass |
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# |
# |
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# Define all the commands available in the main window |
# Define all the commands available in the main window |