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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"
}
-- Todo: add options in cnf file
-- Todo: figure out pdfopen/pdfclose on linux. Calling e.g. okular directly
-- doesn't work in linux when issued from scite as it blocks the editor (no
-- & possible or so). Unfortunately pdfopen keeps changing with not keeping
-- downward compatibility (command line arguments and so).
-- no 2>&1 any more, needs checking on windows
local format, concat = string.format, table.concat
local report = logs.reporter("pdfview")
local replace = utilities.templates.replace
pdfview = pdfview or { }
local opencalls -- a table with templates that open a given pdf document
local closecalls -- a table with templates that close a given pdf document
local allcalls -- a table with templates that close all open pdf documents
local runner -- runner function
local expander -- filename cleanup function
if os.type == "windows" then
-- os.setenv("path",os.getenv("path") .. ";" .. "c:/data/system/pdf-xchange")
-- os.setenv("path",os.getenv("path") .. ";" .. "c:/data/system/sumatrapdf")
-- start is more flexible as it locates binaries in more places and doesn't lock
opencalls = {
['default'] = [[pdfopen --rxi --file "%filename%"]],
['acrobat'] = [[pdfopen --rxi --file "%filename%"]],
['fullacrobat'] = [[pdfopen --axi --file "%filename%"]],
['okular'] = [[start "test" okular.exe --unique "%filename%"]],
['pdfxcview'] = [[start "test" pdfxcview.exe /A "nolock=yes=OpenParameters" "%filename%"]],
['sumatra'] = [[start "test" sumatrapdf.exe -reuse-instance -bg-color 0xCCCCCC "%filename%"]],
['auto'] = [[start "" "%filename%"]],
}
closecalls= {
['default'] = [[pdfclose --file "%filename%"]],
['acrobat'] = [[pdfclose --file "%filename%"]],
['okular'] = false,
['pdfxcview'] = false, -- [[pdfxcview.exe /close:discard "%filename%"]],
['sumatra'] = false,
['auto'] = false,
}
allcalls = {
['default'] = [[pdfclose --all]],
['acrobat'] = [[pdfclose --all]],
['okular'] = false,
['pdfxcview'] = false,
['sumatra'] = false,
['auto'] = false,
}
pdfview.method = "acrobat" -- no longer useful due to green pop up line and clashing reader/full
-- pdfview.method = "pdfxcview"
pdfview.method = "sumatra"
runner = function(template,variables)
local cmd = replace(template,variables)
-- cmd = cmd .. " > /null"
report("command: %s",cmd)
os.execute(cmd)
end
expander = function(name)
-- We need to avoid issues with chdir to UNC paths and therefore expand
-- the path when we're current. (We could use one of the helpers instead)
if file.pathpart(name) == "" then
return file.collapsepath(file.join(lfs.currentdir(),name))
else
return name
end
end
else
opencalls = {
['default'] = [[pdfopen "%filename%"]],
['okular'] = [[okular --unique "%filename%"]],
['sumatra'] = [[wine "sumatrapdf.exe" -reuse-instance -bg-color 0xCCCCCC "%filename%"]],
['pdfxcview'] = [[wine "pdfxcview.exe" /A "nolock=yes=OpenParameters" "%filename%"]],
['auto'] = [[open "%filename%"]], -- linux: xdg-open
}
closecalls= {
['default'] = [[pdfclose --file "%filename%"]],
['okular'] = false,
['sumatra'] = false,
['auto'] = false,
}
allcalls = {
['default'] = [[pdfclose --all]],
['okular'] = false,
['sumatra'] = false,
['auto'] = false,
}
pdfview.method = "okular"
pdfview.method = "sumatra" -- faster and more complete
runner = function(template,variables)
local cmd = replace(template,variables)
cmd = cmd .. " 1>/dev/null 2>/dev/null &"
report("command: %s",cmd)
os.execute(cmd)
end
expander = function(name)
return name
end
end
directives.register("pdfview.method", function(v)
pdfview.method = (opencalls[v] and v) or 'default'
end)
function pdfview.setmethod(method)
if method and opencalls[method] then
pdfview.method = method
end
end
function pdfview.methods()
return concat(table.sortedkeys(opencalls), " ")
end
function pdfview.status()
return format("pdfview methods: %s, current method: %s (directives_pdfview_method)",pdfview.methods(),tostring(pdfview.method))
end
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 = expander(fullname(t[i]))
if io.exists(name) then
runner(opencall,{ filename = name })
end
end
end
end
function pdfview.close(...)
local closecall = closecalls[pdfview.method]
if closecall then
local t = { ... }
for i=1,#t do
local name = expander(fullname(t[i]))
if io.exists(name) then
replace(closecall,{ filename = name })
end
end
end
end
function pdfview.closeall()
local allcall = allcalls[pdfview.method]
if allcall then
runner(allcall)
end
end
return pdfview
|
