wxPython/wx/lib/floatcanvas/NavCanvas.py

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