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@jsbain
Last active January 26, 2018 13:37
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TabbedView.py
import ui
class TabbedView(ui.View):
def __init__(self,tablist=[], frame=(0,0)+ui.get_screen_size()):
'''takes an iterable of Views, using the view name as the tab selector.
empty views sre just given generic names'''
self.tabcounter=0 #unique counter, for name disambiguation
self.buttonheight=30 #height of buttonbar
#setup button bar
self.tabbuttons=ui.SegmentedControl(frame=(0,0,self.width, self.buttonheight))
self.tabbuttons.action=self.tab_action
self.tabbuttons.flex='W'
self.tabbuttons.segments=[]
self.add_subview(self.tabbuttons)
for tab in tablist:
self.addtab(tab)
def tab_action(self,sender):
if sender.selected_index >= 0:
tabname=sender.segments[sender.selected_index]
self[tabname].bring_to_front()
def focus_tab_by_index(self,index):
self.tabbuttons.selected_index=index
self.tab_action(self.tabbuttons)
def focus_tab_by_name(self,tabname):
self.tabbuttons.selected_index=self.tabbuttons.segments.index(tabname)
self.tab_action(self.tabbuttons)
def addtab(self,tab):
if not tab.name:
tab.name='tab{}'.format(self.tabcounter)
if tab.name in self.tabbuttons.segments:
#append unique counter to name
tab.name+=str(self.tabcounter)
self.tabcounter+=1
self.tabbuttons.segments+=(tab.name,)
tab.frame=(0,self.buttonheight,self.width,self.height-self.buttonheight)
tab.flex='WH'
self.add_subview(tab)
self.focus_tab_by_name(tab.name)
def removetab(self,tabname):
self.tabbuttons.segments=[x for x in self.tabbuttons.segments if x != tabname]
self.remove_subview(tabname)
# if tab was top tab, think about updating selected tab to whatever is on top
def layout(self):
pass # maybe set tabbuttons size
if __name__=='__main__':
v=TabbedView()
v.addtab(ui.View(name='red',bg_color='red'))
v.addtab(ui.View(bg_color='blue'))
v.addtab(ui.View(name='green',bg_color='green'))
v.addtab(ui.View(name='green',bg_color='green'))
v.present()
@cclauss
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cclauss commented Nov 16, 2014

[Edit: Fixed in the code above: ] Errors on line 40 (function name) and 50 (missing :).

@jsbain
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jsbain commented Nov 16, 2014

Whoops, thanks. Last minute change went untested :(

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