"""
A Panel that includes the FloatCanvas and Navigation controls
"""
import wx
import FloatCanvas, Resources, GUIMode
class NavCanvas(wx.Panel):
"""
NavCanvas.py
This is a high level window that encloses the FloatCanvas in a panel
and adds a Navigation toolbar.
"""
def __init__(self,
parent,
id = wx.ID_ANY,
size = wx.DefaultSize,
**kwargs): # The rest just get passed into FloatCanvas
wx.Panel.__init__(self, parent, id, size=size)
self.Modes = [("Pointer", GUIMode.GUIMouse(), Resources.getPointerBitmap()),
("Zoom In", GUIMode.GUIZoomIn(), Resources.getMagPlusBitmap()),
("Zoom Out", GUIMode.GUIZoomOut(), Resources.getMagMinusBitmap()),
("Pan", GUIMode.GUIMove(), Resources.getHandBitmap()),
]
self.BuildToolbar()
## Create the vertical sizer for the toolbar and Panel
box = wx.BoxSizer(wx.VERTICAL)
box.Add(self.ToolBar, 0, wx.ALL | wx.ALIGN_LEFT | wx.GROW, 4)
self.Canvas = FloatCanvas.FloatCanvas(self, **kwargs)
box.Add(self.Canvas, 1, wx.GROW)
self.SetSizerAndFit(box)
# default to first mode
#self.ToolBar.ToggleTool(self.PointerTool.GetId(), True)
self.Canvas.SetMode(self.Modes[0][1])
return None
def BuildToolbar(self):
"""
This is here so it can be over-ridden in a ssubclass, to add extra tools, etc
"""
tb = wx.ToolBar(self)
self.ToolBar = tb
tb.SetToolBitmapSize((24,24))
self.AddToolbarModeButtons(tb, self.Modes)
self.AddToolbarZoomButton(tb)
tb.Realize()
## fixme: remove this when the bug is fixed!
#wx.CallAfter(self.HideShowHack) # this required on wxPython 2.8.3 on OS-X
def AddToolbarModeButtons(self, tb, Modes):
self.ModesDict = {}
for Mode in Modes:
tool = tb.AddRadioTool(wx.ID_ANY, shortHelp=Mode[0], bitmap=Mode[2])
self.Bind(wx.EVT_TOOL, self.SetMode, tool)
self.ModesDict[tool.GetId()]=Mode[1]
#self.ZoomOutTool = tb.AddRadioTool(wx.ID_ANY, bitmap=Resources.getMagMinusBitmap(), shortHelp = "Zoom Out")
#self.Bind(wx.EVT_TOOL, lambda evt : self.SetMode(Mode=self.GUIZoomOut), self.ZoomOutTool)
def AddToolbarZoomButton(self, tb):
tb.AddSeparator()
self.ZoomButton = wx.Button(tb, label="Zoom To Fit")
tb.AddControl(self.ZoomButton)
self.ZoomButton.Bind(wx.EVT_BUTTON, self.ZoomToFit)
def HideShowHack(self):
##fixme: remove this when the bug is fixed!
"""
Hack to hide and show button on toolbar to get around OS-X bug on
wxPython2.8 on OS-X
"""
self.ZoomButton.Hide()
self.ZoomButton.Show()
def SetMode(self, event):
Mode = self.ModesDict[event.GetId()]
self.Canvas.SetMode(Mode)
def ZoomToFit(self,Event):
self.Canvas.ZoomToBB()
self.Canvas.SetFocus() # Otherwise the focus stays on the Button, and wheel events are lost.
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