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if not modules then modules = { } end modules ['l-pdfview'] = {
version = 1.001,
comment = "companion to mtx-context.lua",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local format, concat = string.format, table.concat
pdfview = pdfview or { }
local opencalls = {
['default'] = "pdfopen --file", -- "pdfopen --back --file"
['xpdf'] = "xpdfopen",
}
local closecalls= {
['default'] = "pdfclose --file",
['xpdf'] = nil,
}
local allcalls = {
['default'] = "pdfclose --all",
['xpdf'] = nil,
}
if os.type == "windows" then
opencalls['okular'] = 'start "test" "c:/program files/kde/bin/okular.exe" --unique' -- todo: get focus
else
opencalls['okular'] = 'okular --unique'
end
pdfview.METHOD = "MTX_PDFVIEW_METHOD"
pdfview.method = resolvers.getenv(pdfview.METHOD) or 'default'
pdfview.method = (opencalls[pdfview.method] and pdfview.method) or 'default'
function pdfview.methods()
return concat(table.sortedkeys(opencalls), " ")
end
function pdfview.status()
return format("pdfview methods: %s, current method: %s, MTX_PDFVIEW_METHOD=%s",pdfview.methods(),pdfview.method,resolvers.getenv(pdfview.METHOD) or "<unset>")
end
local openedfiles = { }
local function fullname(name)
return file.addsuffix(name,"pdf")
end
function pdfview.open(...)
local opencall = opencalls[pdfview.method]
if opencall then
local t = { ... }
for i=1,#t do
local name = fullname(t[i])
if io.exists(name) then
os.execute(format('%s "%s" 2>&1', opencall, name))
openedfiles[name] = true
end
end
end
end
function pdfview.close(...)
local closecall = closecalls[pdfview.method]
if closecall then
local t = { ... }
for i=1,#t do
local name = fullname(t[i])
if openedfiles[name] then
os.execute(format('%s "%s" 2>&1', closecall, name))
openedfiles[name] = nil
else
pdfview.closeall()
break
end
end
end
end
function pdfview.closeall()
local allcall = allcalls[pdfview.method]
if allcall then
os.execute(format('%s 2>&1', allcall))
end
openedfiles = { }
end
--~ pdfview.open("t:/document/show-exa.pdf")
--~ os.sleep(3)
--~ pdfview.close("t:/document/show-exa.pdf")
return pdfview
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