wxPython/wx/lib/floatcanvas/NavCanvas.py

   1 """
   2 A Panel that includes the FloatCanvas and Navigation controls
   3
   4 """
   5
   6 #from Numeric import array,Float,cos,pi,sum,minimum,maximum,Int32
   7
   8 #from time import clock, sleep
   9
  10 import wx
  11
  12 #import types
  13 #import os
  14
  15 import FloatCanvas, Resources
  16
  17
  18 ID_ZOOM_IN_BUTTON = wx.NewId()
  19 ID_ZOOM_OUT_BUTTON = wx.NewId()
  20 ID_ZOOM_TO_FIT_BUTTON = wx.NewId()
  21 ID_MOVE_MODE_BUTTON = wx.NewId()
  22 ID_POINTER_BUTTON = wx.NewId()
  23
  24
  25 #---------------------------------------------------------------------------
  26
  27 class NavCanvas(wx.Panel):
  28     """
  29     NavCanvas.py
  30
  31     This is a high level window that encloses the FloatCanvas in a panel
  32     and adds a Navigation toolbar.
  33
  34     Copyright: wxWindows Software Foundation (Assigned by: Christopher Barker)
  35
  36     License: Same as the version of wxPython you are using it with
  37
  38     Please let me know if you're using this!!!
  39
  40     Contact me at:
  41
  42     Chris.Barker@noaa.gov
  43
  44     """
  45
  46     def __init__(self, parent, id = -1,
  47                  size = wx.DefaultSize,
  48                  **kwargs): # The rest just get passed into FloatCanvas
  49
  50         wx.Panel.__init__( self, parent, id, wx.DefaultPosition, size)
  51
  52         ## Create the vertical sizer for the toolbar and Panel
  53         box = wx.BoxSizer(wx.VERTICAL)
  54         box.Add(self.BuildToolbar(), 0, wx.ALL | wx.ALIGN_LEFT | wx.GROW, 4)
  55
  56         self.Canvas = FloatCanvas.FloatCanvas( self, wx.NewId(),
  57                                    size = wx.DefaultSize,
  58                                    **kwargs)
  59         box.Add(self.Canvas,1,wx.GROW)
  60
  61         box.Fit(self)
  62         self.SetSizer(box)
  63
  64         # default to Mouse mode
  65         self.ToolBar.ToggleTool(ID_POINTER_BUTTON,1)
  66         self.Canvas.SetMode("Mouse")
  67
  68         return None
  69
  70     def __getattr__(self, name):
  71         """
  72         Delegate all extra methods to the Canvas
  73         """
  74         attrib = getattr(self.Canvas, name)
  75         ## add the attribute to this module's dict for future calls
  76         self.__dict__[name] = attrib
  77         return attrib
  78
  79     def BuildToolbar(self):
  80         tb = wx.ToolBar(self,-1)
  81         self.ToolBar = tb
  82
  83         tb.SetToolBitmapSize((23,23))
  84
  85         tb.AddTool(ID_POINTER_BUTTON, Resources.GetPointerBitmap(), isToggle=True, shortHelpString = "Pointer")
  86         wx.EVT_TOOL(self, ID_POINTER_BUTTON, self.SetToolMode)
  87
  88         tb.AddTool(ID_ZOOM_IN_BUTTON, Resources.GetPlusBitmap(), isToggle=True, shortHelpString = "Zoom In")
  89         wx.EVT_TOOL(self, ID_ZOOM_IN_BUTTON, self.SetToolMode)
  90
  91         tb.AddTool(ID_ZOOM_OUT_BUTTON, Resources.GetMinusBitmap(), isToggle=True, shortHelpString = "Zoom Out")
  92         wx.EVT_TOOL(self, ID_ZOOM_OUT_BUTTON, self.SetToolMode)
  93
  94         tb.AddTool(ID_MOVE_MODE_BUTTON, Resources.GetHandBitmap(), isToggle=True, shortHelpString = "Move")
  95         wx.EVT_TOOL(self, ID_MOVE_MODE_BUTTON, self.SetToolMode)
  96
  97         tb.AddSeparator()
  98
  99         tb.AddControl(wx.Button(tb, ID_ZOOM_TO_FIT_BUTTON, "Zoom To Fit",wx.DefaultPosition, wx.DefaultSize))
 100         wx.EVT_BUTTON(self, ID_ZOOM_TO_FIT_BUTTON, self.ZoomToFit)
 101
 102         tb.Realize()
 103         S = tb.GetSize()
 104         tb.SetSizeHints(S[0],S[1])
 105         return tb
 106
 107     def SetToolMode(self,event):
 108         for id in [ID_ZOOM_IN_BUTTON,
 109                    ID_ZOOM_OUT_BUTTON,
 110                    ID_MOVE_MODE_BUTTON,
 111                    ID_POINTER_BUTTON]:
 112             self.ToolBar.ToggleTool(id,0)
 113         self.ToolBar.ToggleTool(event.GetId(),1)
 114         if event.GetId() == ID_ZOOM_IN_BUTTON:
 115             self.Canvas.SetMode("ZoomIn")
 116         elif event.GetId() == ID_ZOOM_OUT_BUTTON:
 117             self.Canvas.SetMode("ZoomOut")
 118         elif event.GetId() == ID_MOVE_MODE_BUTTON:
 119             self.Canvas.SetMode("Move")
 120         elif event.GetId() == ID_POINTER_BUTTON:
 121             self.Canvas.SetMode("Mouse")
 122
 123
 124     def ZoomToFit(self,Event):
 125         self.Canvas.ZoomToBB()
 126