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119 lines
2.7 KiB
Lua
119 lines
2.7 KiB
Lua
-- private variables
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local news
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local newsPanel
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local updateNewsEvent = nil
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local ongoingNewsUpdate = false
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local lastNewsUpdate = 0
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local newsUpdateInterval = 30 -- seconds
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-- public functions
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function init()
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news = g_ui.displayUI('news')
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newsPanel = news:recursiveGetChildById('newsPanel')
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connect(rootWidget, { onGeometryChange = updateSize })
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connect(g_game, { onGameStart = hide, onGameEnd = show })
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if g_game.isOnline() then
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hide()
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else
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show()
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end
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end
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function terminate()
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disconnect(rootWidget, { onGeometryChange = updateSize })
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disconnect(g_game, { onGameStart = hide, onGameEnd = show })
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removeEvent(updateNewsEvent)
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clearNews()
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news:destroy()
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news = nil
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end
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function hide()
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news:hide()
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end
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function show()
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news:show()
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updateSize()
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updateNews()
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end
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function updateSize()
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if Services.news == nil or Services.news:len() < 4 or g_game.isOnline() then
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return
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end
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if rootWidget:getWidth() < 790 and news:isVisible() then
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hide()
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elseif news:isHidden() then
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show()
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end
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news:setWidth(math.min(math.max(250, rootWidget:getWidth() / 4), 300))
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end
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function updateNews()
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if Services.news == nil or Services.news:len() < 4 then
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hide()
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return
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end
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if ongoingNewsUpdate or os.time() < lastNewsUpdate + newsUpdateInterval then
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return
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end
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HTTP.getJSON(Services.news .. "?lang=" .. modules.client_locales.getCurrentLocale().name, onGotNews)
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ongoingNewsUpdate = true
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lastNewsUpdate = os.time()
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end
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function clearNews()
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while newsPanel:getChildCount() > 0 do
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local child = newsPanel:getLastChild()
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newsPanel:destroyChildren(child)
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end
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end
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function onGotNews(data, err)
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ongoingNewsUpdate = false
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if err then
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return gotNewsError("Error:\n" .. err)
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end
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clearNews()
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for i, news in pairs(data) do
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local title = news["title"]
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local text = news["text"]
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local image = news["image"]
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if title ~= nil then
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newsLabel = g_ui.createWidget('NewsLabel', newsPanel)
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newsLabel:setText(title)
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end
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if text ~= nil then
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newsText = g_ui.createWidget('NewsText', newsPanel)
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newsText:setText(text)
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end
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if image ~= nil then
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newsImage = g_ui.createWidget('NewsImage', newsPanel)
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newsImage:setId(imageName)
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newsImage:setImageSourceBase64(image)
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newsImage:setImageFixedRatio(true)
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newsImage:setImageAutoResize(false)
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newsImage:setHeight(200)
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end
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end
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end
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function gotNewsError(err)
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updateNewsEvent = scheduleEvent(function()
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updateNews()
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end, 3000)
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clearNews()
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errorLabel = g_ui.createWidget('NewsLabel', newsPanel)
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errorLabel:setText(tr("Error"))
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errorInfo = g_ui.createWidget('NewsText', newsPanel)
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errorInfo:setText(err)
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ongoingNewsUpdate = true
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end |