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Code Issues Releases Wiki Activity

rework wizard page handling

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kepler155c@gmail.com 2018-12-04 20:55:08 -05:00
parent 0e3fb88f1d
commit 7d17a21aa4
1 changed files with 22 additions and 37 deletions
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59
sys/apis/ui.lua
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@ -944,6 +944,7 @@ function UI.Device:postInit()
end end
function UI.Device:resize() function UI.Device:resize()
self.device.setTextScale(self.textScale)
self.width, self.height = self.device.getSize() self.width, self.height = self.device.getSize()
self.lines = { } self.lines = { }
self.canvas:resize(self.width, self.height) self.canvas:resize(self.width, self.height)
@ -2328,61 +2329,45 @@ function UI.Wizard:add(pages)
end end
end end
function UI.Wizard:getPage(index)
return Util.find(self.pages, 'index', index)
end
function UI.Wizard:enable(...) function UI.Wizard:enable(...)
self.enabled = true self.enabled = true
for _,child in ipairs(self.children) do self.index = 1
if not child.index then local initial = self:getPage(1)
child:enable(...) for _,child in pairs(self.children) do
elseif child.index == 1 then if child == initial or not child.index then
child:enable(...) child:enable(...)
else else
child:disable() child:disable()
end end
end end
self:emit({ type = 'enable_view', next = Util.find(self.pages, 'index', 1) }) self:emit({ type = 'enable_view', next = initial })
end
function UI.Wizard:nextView()
local currentView = Util.find(self.pages, 'enabled', true)
local nextView = Util.find(self.pages, 'index', currentView.index + 1)
if nextView then
self:emit({ type = 'enable_view', view = nextView })
self:addTransition('slideLeft')
currentView:disable()
nextView:enable()
end
end
function UI.Wizard:prevView()
local currentView = Util.find(self.pages, 'enabled', true)
local nextView = Util.find(self.pages, 'index', currentView.index - 1)
if nextView then
self:emit({ type = 'enable_view', view = nextView })
self:addTransition('slideRight')
currentView:disable()
nextView:enable()
end
end end
function UI.Wizard:isViewValid() function UI.Wizard:isViewValid()
local currentView = Util.find(self.pages, 'enabled', true) local currentView = self:getPage(self.index)
return not currentView.validate and true or currentView:validate() return not currentView.validate and true or currentView:validate()
end end
function UI.Wizard:eventHandler(event) function UI.Wizard:eventHandler(event)
if event.type == 'nextView' then if event.type == 'nextView' then
local currentView = Util.find(self.pages, 'enabled', true) local currentView = self:getPage(self.index)
if self:isViewValid() then if self:isViewValid() then
local nextView = Util.find(self.pages, 'index', currentView.index + 1) self.index = self.index + 1
local nextView = self:getPage(self.index)
currentView:emit({ type = 'enable_view', next = nextView, current = currentView }) currentView:emit({ type = 'enable_view', next = nextView, current = currentView })
end end
elseif event.type == 'previousView' then elseif event.type == 'previousView' then
local currentView = Util.find(self.pages, 'enabled', true) local currentView = self:getPage(self.index)
local nextView = Util.find(self.pages, 'index', currentView.index - 1) local nextView = self:getPage(self.index - 1)
currentView:emit({ type = 'enable_view', prev = nextView, current = currentView }) if nextView then
self.index = self.index - 1
currentView:emit({ type = 'enable_view', prev = nextView, current = currentView })
end
return true return true
elseif event.type == 'wizard_complete' then elseif event.type == 'wizard_complete' then
@ -2403,13 +2388,13 @@ function UI.Wizard:eventHandler(event)
local current = event.next or event.prev local current = event.next or event.prev
if not current then error('property "index" is required on wizard pages') end if not current then error('property "index" is required on wizard pages') end
if Util.find(self.pages, 'index', current.index - 1) then if self:getPage(self.index - 1) then
self.previousButton:enable() self.previousButton:enable()
else else
self.previousButton:disable() self.previousButton:disable()
end end
if Util.find(self.pages, 'index', current.index + 1) then if self:getPage(self.index + 1) then
self.nextButton.text = 'Next >' self.nextButton.text = 'Next >'
self.nextButton.event = 'nextView' self.nextButton.event = 'nextView'
else else