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Code Issues Releases Wiki Activity

rework wizard page handling

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This commit is contained in:
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
function UI.Device:resize()
self.device.setTextScale(self.textScale)
self.width, self.height = self.device.getSize()
self.lines = { }
self.canvas:resize(self.width, self.height)
@ -2328,61 +2329,45 @@ function UI.Wizard:add(pages)
end
end
function UI.Wizard:getPage(index)
return Util.find(self.pages, 'index', index)
end
function UI.Wizard:enable(...)
self.enabled = true
for _,child in ipairs(self.children) do
if not child.index then
child:enable(...)
elseif child.index == 1 then
self.index = 1
local initial = self:getPage(1)
for _,child in pairs(self.children) do
if child == initial or not child.index then
child:enable(...)
else
child:disable()
end
end
self:emit({ type = 'enable_view', next = Util.find(self.pages, 'index', 1) })
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
self:emit({ type = 'enable_view', next = initial })
end
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()
end
function UI.Wizard:eventHandler(event)
if event.type == 'nextView' then
local currentView = Util.find(self.pages, 'enabled', true)
local currentView = self:getPage(self.index)
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 })
end
elseif event.type == 'previousView' then
local currentView = Util.find(self.pages, 'enabled', true)
local nextView = Util.find(self.pages, 'index', currentView.index - 1)
currentView:emit({ type = 'enable_view', prev = nextView, current = currentView })
local currentView = self:getPage(self.index)
local nextView = self:getPage(self.index - 1)
if nextView then
self.index = self.index - 1
currentView:emit({ type = 'enable_view', prev = nextView, current = currentView })
end
return true
elseif event.type == 'wizard_complete' then
@ -2403,13 +2388,13 @@ function UI.Wizard:eventHandler(event)
local current = event.next or event.prev
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()
else
self.previousButton:disable()
end
if Util.find(self.pages, 'index', current.index + 1) then
if self:getPage(self.index + 1) then
self.nextButton.text = 'Next >'
self.nextButton.event = 'nextView'
else