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UITabBar = extends(UIWidget)
-- private functions
local function onTabClick(tab)
tab.tabBar:selectTab(tab)
end
local function tabBlink(tab)
if not tab.blinking then return end
tab:setOn(not tab:isOn())
scheduleEvent(function() tabBlink(tab) end, 500)
end
-- public functions
function UITabBar.create()
local tabbar = UITabBar.internalCreate()
tabbar:setFocusable(false)
tabbar.tabs = {}
return tabbar
end
function UITabBar:setContentWidget(widget)
self.contentWidget = widget
if #self.tabs > 0 then
self.contentWidget:addChild(self.tabs[1].tabPanel)
end
end
function UITabBar:addTab(text, panel)
if panel == nil then
panel = createWidget(self:getStyleName() .. 'Panel')
end
local tab = createWidget(self:getStyleName() .. 'Button', self)
tab.tabPanel = panel
tab.tabBar = self
tab:setText(text)
tab:setWidth(tab:getTextSize().width + tab:getPaddingLeft() + tab:getPaddingRight())
tab.onClick = onTabClick
tab.onDestroy = function() tab.tabPanel:destroy() end
table.insert(self.tabs, tab)
if #self.tabs == 1 then
self:selectTab(tab)
end
return tab
end
function UITabBar:removeTab(tab)
local index = table.find(self.tabs, tab)
if index == nil then return end
if self.currentTab == tab then
self:selectPrevTab()
end
table.remove(self.tabs, index)
tab:destroy()
end
function UITabBar:getTab(text)
for k,tab in pairs(self.tabs) do
if tab:getText():lower() == text:lower() then
return tab
end
end
end
function UITabBar:selectTab(tab)
if self.currentTab == tab then return end
if self.contentWidget then
local selectedWidget = self.contentWidget:getFirstChild()
if selectedWidget then
self.contentWidget:removeChild(selectedWidget)
end
self.contentWidget:addChild(tab.tabPanel)
tab.tabPanel:fill('parent')
end
if self.currentTab then
self.currentTab:setChecked(false)
end
signalcall(self.onTabChange, self, tab)
self.currentTab = tab
tab:setChecked(true)
tab:setOn(false)
tab.blinking = false
end
function UITabBar:selectNextTab()
if self.currentTab == nil then return end
local index = table.find(self.tabs, self.currentTab)
if index == nil then return end
local nextTab = self.tabs[index + 1] or self.tabs[1]
if not nextTab then return end
self:selectTab(nextTab)
end
function UITabBar:selectPrevTab()
if self.currentTab == nil then return end
local index = table.find(self.tabs, self.currentTab)
if index == nil then return end
local prevTab = self.tabs[index - 1] or self.tabs[#self.tabs]
if not prevTab then return end
self:selectTab(prevTab)
end
function UITabBar:blinkTab(tab)
if tab:isChecked() or tab.blinking then return end
tab.blinking = true
tabBlink(tab)
end
function UITabBar:getTabPanel(tab)
return tab.tabPanel
end
function UITabBar:getCurrentTabPanel()
if self.currentTab then
return self.currentTab.tabPanel
end
end
function UITabBar:getCurrentTab()
return self.currentTab
end