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Install FHUG Icon Packs.fh_lua

--[[
@Title: Install FHUG Icon Packs
@Author: Jane Taubman
@Version: 1.1
@LastUpdated: Sept 2013 
@Description: Install Icon packs to the Icon Folder on Family Historian.
The plugin will prompt for a zip file and create a subfolder in the FH icon folder
with the same name as the zip file and add any bitmap (bmp) graphics files in to
the folder.  It will overwrite existing files with matching names. 

V1.1 Fix problem with zip files with subdirectories (remove directory from filename) 
]]
require "luacom"
require "iup"
require "lfs"
function main()
    local icondir = fhGetContextInfo('CI_APP_DATA_FOLDER')..'\\Icons\\'
    filename = zipfileselect()
    if not(filename) then
        return
    end
    local path,file,ext = splitfilename(filename)
    local newdir = icondir..file:match('(.*)%.')
    local sts = lfs.mkdir(newdir)
    local iconzip,err = zip.open(filename)
    local count = 0
    for file in iconzip:files() do
        zpath,zname,zext = splitfilename(file.filename:gsub('/','\\'))
        if zext:lower() == 'bmp' then
            -- extract file from zip
            ifile = iconzip:open(file.filename)
            contents = ifile:read("*a")
            ifile:close()
            local tofile = newdir..'\\'..zname
            SaveStringToFile(contents,tofile)
            count = count + 1
        end
    end
    iconzip:close()
    if count == 0 then
        fhMessageBox('No bmp Icons found in selected zip file')
    else
        fhMessageBox(string.format('%d Icons Added or Updated in folder %s',count,file:match('(.*)%.')))
    end
end
------------------------------------------ End of Main Function
function zipfileselect()
    local documentsdir = os.getenv('USERPROFILE')..'\\'
    local dialogGetFile = iup.filedlg {
        dialogtype="OPEN",
        title="Select the downloaded Icon zip file to install in FH Icons subfolder",
        directory=documentsdir,
        filter="*.zip"
    }
    dialogGetFile:popup(iup.CENTER, iup.CENTER)
    if dialogGetFile.status ~= '0' then
        return nil
    else
        return(dialogGetFile.value)
    end
end
function fileExists(strFileName)
    local fileHandle = io.open(strFileName,"r")
    if fileHandle ~= nil then
        io.close(fileHandle)
        return true
    else
        return false
    end
end
function loadrequire(module)
    local function installmodule(module,filename)
        local bmodule = false
        if not(filename) then
            filename = module..'.mod'
            bmodule = true
        end
        local storein = fhGetContextInfo('CI_APP_DATA_FOLDER')..'\\Plugins\\'
        -- Check if subdirectory needed
        local path = string.match(filename, "(.-)[^/]-[^%.]+$")
        if path ~= "" then
            path = path:gsub('/','\\')
            -- Create sub-directory
            lfs.mkdir(storein..path)
        end
        -- Get file down and install it
        local http = luacom.CreateObject("winhttp.winhttprequest.5.1")
        local url = "http://www.family-historian.co.uk/lnk/getpluginmodule.php?file="..filename
        http:Open("GET",url,false)
        http:Send()
        http:WaitForResponse(30)
        local status = http.StatusText
        if status == 'OK' then
            length = http:GetResponseHeader('Content-Length')
            data = http.ResponseBody
            if bmodule then
                local modlist = loadstring(http.ResponseBody)
                for _,f in pairs(modlist()) do
                    if not(installmodule(module,f)) then
                        break
                    end
                end
            else
                SaveStringToFile(data,storein..filename)
            end
            return true
        else
            fhMessageBox('An error occurred in Download please try later')
            return false
        end
    end
    local function requiref(module)
        require(module)
    end
    res = pcall(requiref,module)
    if not(res) then
        local ans = fhMessageBox(
              'This plugin requires '..module..' support, please click OK to download and install the module',
              'MB_OKCANCEL','MB_ICONEXCLAMATION')
        if ans ~= 'OK' then
            return false
        end
        if installmodule(module) then
            require(module)
        else
            return false
        end
    end
    return true
end
function splitfilename(strfilename)
    -- Returns the Path Filename and extension as 3 values
    return string.match(strfilename, "(.-)([^\\]-([^%.]+))$")
end
-- Open File and return Handle --
function OpenFile(strFileName,strMode)
    local fileHandle, strError = io.open(strFileName,strMode)
    if not fileHandle then
        error("\n Unable to open file in \""..strMode.."\" mode. \n "..strFileName.." \n "..tostring(strError).." \n")
    end
    return fileHandle
end -- OpenFile
function SaveStringToFile(strString,strFileName)
    local fileHandle = OpenFile(strFileName,"wb")
    fileHandle:write(strString)
    assert(fileHandle:close())
end -- SaveStringToFile
------------------------------------------- End of Additional Functions
if not(loadrequire('zip')) then return end
main()

Source:Install-FHUG-Icon-Packs1.fh_lua