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- """
- Variables set at initialization
- """
- global curr_disp
- curr_disp=""
- global ctrl_dict
- ctrl_dict={}
- class Track:
- """
- This class has functions and variables for tracking map display,
- associated notebook pages, and other index values.
- """
- def SetCtrlDict(self, idx, disp, page, tree):
- """
- This method stores the associated display index, display ID,
- controls book page ID, and map layer tree ID in a dictionary
- """
- global ctrl_dict
- ctrl_dict[idx]=[disp, page, tree]
- return ctrl_dict
- def GetCtrls(self, idx, num):
- """
- Returns widget ID for map display (num=0), controls book page
- (num=1), or map layer tree (num=2) for a given map display
- index (idx)
- """
- global ctrl_dict
- ctrls = ctrl_dict[idx][num]
- return ctrls
- def popCtrl(self, idx):
- """
- Removes entry from display and control dictionary.
- Used when display is closed
- """
- global ctrl_dict
- if ctrl_dict != "":
- ctrl_dict.pop(idx)
- def GetDisp_idx(self, ctrl_id):
- """
- Returns the display index for the display/controls dictionary entry
- given the widget ID of the control (ctrl_id)
- """
- global ctrl_dict
- for idx,ctrl in ctrl_dict.items():
- if ctrl_id in ctrl:
- return idx
- def SetDisp(self, disp_idx, disp_id):
- """
- Creates a tuple of the currently active display index and its corresponding
- map display frame ID.
- """
- global curr_disp
- curr_disp = (disp_idx, disp_id)
- return curr_disp
- def GetDisp(self):
- """
- Returns the (display index, display ID) tuple of the currently
- active display
- """
- global curr_disp
- return curr_disp
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