mirror of https://github.com/kepler155c/opus
110 lines
2.3 KiB
Lua
110 lines
2.3 KiB
Lua
local class = require('opus.class')
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local UI = require('opus.ui')
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local Util = require('opus.util')
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UI.Tabs = class(UI.Window)
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UI.Tabs.defaults = {
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UIElement = 'Tabs',
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}
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function UI.Tabs:postInit()
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self:add(self)
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end
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function UI.Tabs:add(children)
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local buttons = { }
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for _,child in pairs(children) do
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if type(child) == 'table' and child.UIElement and child.tabTitle then
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child.y = 2
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table.insert(buttons, {
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index = child.index,
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text = child.tabTitle,
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event = 'tab_select',
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tabUid = child.uid,
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})
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end
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end
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if not self.tabBar then
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self.tabBar = UI.TabBar({
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buttons = buttons,
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})
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else
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self.tabBar:addButtons(buttons)
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end
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if self.parent then
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UI.Window.add(self, children)
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end
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end
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function UI.Tabs:selectTab(tab)
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local menuItem = Util.find(self.tabBar.children, 'tabUid', tab.uid)
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if menuItem then
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self.tabBar:emit({ type = 'tab_select', button = { uid = menuItem.uid } })
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end
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end
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function UI.Tabs:setActive(tab, active)
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local menuItem = Util.find(self.tabBar.children, 'tabUid', tab.uid)
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if menuItem then
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menuItem.inactive = not active
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end
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end
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function UI.Tabs:enable()
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self.enabled = true
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self.transitionHint = nil
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self.tabBar:enable()
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local menuItem = Util.find(self.tabBar.children, 'selected', true)
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for _,child in pairs(self.children or { }) do
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if child.uid == menuItem.tabUid then
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child:enable()
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self:emit({ type = 'tab_activate', activated = child })
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elseif child.tabTitle then
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child:disable()
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end
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end
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end
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function UI.Tabs:eventHandler(event)
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if event.type == 'tab_change' then
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local tab = self:find(event.tab.tabUid)
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if event.current > event.last then
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self.transitionHint = 'slideLeft'
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else
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self.transitionHint = 'slideRight'
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end
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for _,child in pairs(self.children) do
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if child.uid == event.tab.tabUid then
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child:enable()
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elseif child.tabTitle then
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child:disable()
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end
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end
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self:emit({ type = 'tab_activate', activated = tab })
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tab:draw()
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end
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end
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function UI.Tabs.example()
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return UI.Tabs {
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tab1 = UI.Tab {
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index = 1,
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tabTitle = 'tab1',
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entry = UI.TextEntry { y = 3, shadowText = 'text' },
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},
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tab2 = UI.Tab {
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index = 2,
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tabTitle = 'tab2',
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button = UI.Button { y = 3 },
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},
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tab3 = UI.Tab {
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index = 3,
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tabTitle = 'tab3',
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},
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}
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end
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