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local m = {
dec = 1,
inc = 2,
}
-- Register all Toolbar actions and intialize all UI stuff
function initUi()
app.registerUi({menu = "beamer +1", callback = "Beamer", mode=m.inc, accelerator="<Alt>y"});
app.registerUi({menu = "beamer -1", callback = "Beamer", mode=m.dec, accelerator="<Alt>x"});
app.registerUi({menu = "beamer clean", callback = "BeamerClean"});
end
function Beamer(mode)
local struct = app.getDocumentStructure()
local diff = (mode == m.inc) and 1 or -1
local pCurr = app.getPageLabel(struct.pages[struct.currentPage].pdfBackgroundPageNo)
local pNext = app.getPageLabel(struct.pages[struct.currentPage].pdfBackgroundPageNo+diff)
if pCurr and pNext and pCurr == pNext then
app.changeBackgroundPdfPageNr(diff, true)
app.refreshPage()
else
app.scrollToPage(diff, true)
end
end
function BeamerClean()
local struct = app.getDocumentStructure()
for p=#struct.pages,2,-1 do
local page = struct.pages[p].pdfBackgroundPageNo
local prev = struct.pages[p-1].pdfBackgroundPageNo
if app.getPageLabel(page) == app.getPageLabel(prev) then
app.setCurrentPage(p)
app.activateAction("delete-page")
end
end
end
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