From df80810456f4a13d48eba24bfa1fa79b360c8426 Mon Sep 17 00:00:00 2001
From: Ted Trask <ttrask01@yahoo.com>
Date: Thu, 2 Feb 2012 20:59:08 +0000
Subject: Changed viewfunctions.lua to htmlviewfunctions.lua and made it an
 actual module

It should have been a module all along, but wasn't
Unfortunately, this means changes to pretty much every view file
---
 lib/htmlviewfunctions.lua | 362 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 362 insertions(+)
 create mode 100644 lib/htmlviewfunctions.lua

(limited to 'lib/htmlviewfunctions.lua')

diff --git a/lib/htmlviewfunctions.lua b/lib/htmlviewfunctions.lua
new file mode 100644
index 0000000..ef59485
--- /dev/null
+++ b/lib/htmlviewfunctions.lua
@@ -0,0 +1,362 @@
+module(..., package.seeall)
+
+html = require("acf.html")
+require("session")
+
+local function getlabel(myitem, value)
+	if myitem and (myitem.type == "select" or myitem.type == "multi") then
+		for x,val in ipairs(myitem.option) do
+			local v,l
+			if type(val) == "string" then
+				v = val
+				l = val
+			else
+				v = val.value
+				l = val.label
+			end
+			if v == value then
+				return l
+			end
+		end
+	end
+	return tostring(value)
+end
+
+function displayitem(myitem, header_level, page_info)
+	if not myitem then return end
+	if myitem.type == "form" then
+		header_level = header_level or 1
+		io.write("<H"..tostring(header_level)..">"..html.html_escape(myitem.label).."</H"..tostring(header_level)..">")
+		displayform(myitem, nil, nil, page_info, header_level)
+	elseif myitem.type == "group" then
+		header_level = header_level or 1
+		io.write("<H"..tostring(header_level)..">"..html.html_escape(myitem.label).."</H"..tostring(header_level)..">")
+		if myitem.descr then io.write('<P CLASS="descr">' .. string.gsub(html.html_escape(myitem.descr), "\n", "<BR>") .. "</P>\n") end
+		if myitem.errtxt then io.write('<P CLASS="error">' .. string.gsub(html.html_escape(myitem.errtxt), "\n", "<BR>") .. "</P>\n") end
+		local seqorder = {}
+		local order = {}
+		for name,item in pairs(myitem.value) do
+			if tonumber(item.seq) then
+				seqorder[#seqorder+1] = {seq=tonumber(item.seq), name=name}
+			else
+				order[#order+1] = name
+			end
+		end
+		table.sort(seqorder, function(a,b) if a.seq ~= b.seq then return a.seq > b.seq else return a.name > b.name end end)
+		table.sort(order)
+		for i,val in ipairs(seqorder) do
+			table.insert(order, 1, val.name)
+		end
+		for x,name in ipairs(order) do
+			if myitem.value[name] then
+				displayitem(myitem.value[name], tonumber(header_level)+1)
+			end
+		end
+	elseif myitem.type ~= "hidden" then
+		io.write("<DT")
+		if myitem.errtxt then 
+			myitem.class = "error"
+			io.write(' class="error"')
+		end
+		io.write(">" .. html.html_escape(myitem.label) .. "</DT>\n")
+		io.write("<DD>")
+		io.write(string.gsub(html.html_escape(tostring(myitem.value)), "\n", "<BR>") .. "\n")
+		if myitem.descr then io.write("<P CLASS='descr'>" .. string.gsub(html.html_escape(myitem.descr), "\n", "<BR>") .. "</P>\n") end
+		if myitem.errtxt then io.write("<P CLASS='error'>" .. string.gsub(html.html_escape(myitem.errtxt), "\n", "<BR>") .. "</P>\n") end
+		io.write("</DD>\n")
+	end
+end
+
+function displayformitem(myitem, name, viewtype, header_level, group)
+	if not myitem then return end
+	if name then myitem.name = name end
+	if group and group ~= "" then myitem.name = group.."."..myitem.name end
+	if myitem.type ~= "hidden" and myitem.type ~= "group" then
+		io.write("<DT")
+		if myitem.errtxt then 
+			myitem.class = "error"
+			io.write(' class="error"')
+		end
+		io.write(">" .. html.html_escape(myitem.label) .. "</DT>\n")
+		io.write("<DD>\n")
+	end
+	if (viewtype == "viewonly") then
+		myitem.disabled = "true"
+	end
+	if myitem.type == "group" then
+		header_level = header_level or 2
+		io.write("<H"..tostring(header_level)..">"..html.html_escape(myitem.label).."</H"..tostring(header_level)..">")
+		if myitem.descr then io.write('<P CLASS="descr">' .. string.gsub(html.html_escape(myitem.descr), "\n", "<BR>") .. "</P>\n") end
+		if myitem.errtxt then io.write('<P CLASS="error">' .. string.gsub(html.html_escape(myitem.errtxt), "\n", "<BR>") .. "</P>\n") end
+		displayformcontents(myitem, nil, nil, tonumber(header_level)+1, myitem.name)
+	elseif myitem.type == "multi" then
+		-- FIXME multiple select doesn't work in haserl, so use series of checkboxes
+		--myitem.type = "select"
+		--myitem.multiple = "true"
+		myitem.class = nil
+		local tempname = myitem.name
+		local tempval = myitem.value or {}
+		local reverseval = {}
+		for x,val in ipairs(tempval) do
+			reverseval[val] = x
+		end
+		local reverseopt = {}
+		for x,val in ipairs(myitem.option) do
+			local v,l
+			if type(val) == "string" then
+				v = val
+				l = val
+			else
+				v = val.value
+				l = val.label
+			end
+			reverseopt[v] = x
+			myitem.value = v
+			myitem.checked = reverseval[v]
+			myitem.name = tempname .. "." .. x
+			io.write(html.form.checkbox(myitem) .. html.html_escape(l) .. "<br>\n")
+		end
+		-- Check for values not in options
+		if myitem.errtxt then
+			myitem.class = "error"
+			io.write('<p class="error">\n')
+		end
+		for x,val in ipairs(tempval) do
+			if not reverseopt[val] then
+				myitem.value = val
+				myitem.checked = true
+				io.write(html.form.checkbox(myitem) .. html.html_escape(val) .. "<br>\n")
+			end
+		end
+		if myitem.errtxt then
+			io.write('</p>\n')
+		end
+		myitem.name = tempname
+		myitem.value = tempval
+	elseif myitem.type == "boolean" then
+		local tempval = myitem.value
+		if (myitem.value == true) then myitem.checked = "" end
+		myitem.value = "true"
+		io.write(html.form.checkbox(myitem) .. "\n")
+		myitem.value = tempval
+	elseif myitem.type == "list" then
+		local tempval = myitem.value
+		myitem.value = table.concat(myitem.value, "\n")
+		io.write(html.form.longtext(myitem) .. "\n")
+		myitem.value = tempval
+	else
+		io.write((html.form[myitem.type](myitem) or "") .. "\n")
+	end
+	if myitem.type ~= "hidden" and myitem.type ~= "group" then
+		if myitem.descr then io.write('<P CLASS="descr">' .. string.gsub(html.html_escape(myitem.descr), "\n", "<BR>") .. "</P>\n") end
+		if myitem.default then io.write('<P CLASS="descr">Default:' .. string.gsub(html.html_escape(getlabel(myitem, myitem.default)), "\n", "<BR>") .. "</P>\n") end
+		if myitem.errtxt then io.write('<P CLASS="error">' .. string.gsub(html.html_escape(myitem.errtxt), "\n", "<BR>") .. "</P>\n") end
+		io.write("</DD>\n")
+	end
+end
+
+function displayformstart(myform, page_info)
+	if not myform then return end
+	if not myform.action and page_info then
+		myform.action = page_info.script .. page_info.prefix .. page_info.controller .. "/" .. page_info.action
+	end
+	io.write('<DL>\n')
+	if myform.descr then io.write('<P CLASS="descr">' .. string.gsub(html.html_escape(myform.descr), "\n", "<BR>") .. "</P>\n") end
+	if myform.errtxt then io.write('<P CLASS="error">' .. string.gsub(html.html_escape(myform.errtxt), "\n", "<BR>") .. "</P>\n") end
+	io.write('<form action="' .. html.html_escape(myform.action) .. '" ')
+	if myform.enctype and myform.enctype ~= "" then
+		io.write('enctype="'..html.html_escape(myform.enctype)..'" ')
+	end
+	io.write('method="POST">\n')
+	if myform.value.redir then
+		displayformitem(myform.value.redir, "redir")
+	end
+end
+
+function displayformcontents(myform, order, finishingorder, header_level, group)
+	if not myform then return end
+	if not order and not finishingorder then
+		tmporder = {}
+		for name,item in pairs(myform.value) do
+			if tonumber(item.seq) then
+				tmporder[#tmporder+1] = {seq=tonumber(item.seq), name=name}
+			end
+		end
+		if #tmporder>0 then
+			table.sort(tmporder, function(a,b) if a.seq ~= b.seq then return a.seq < b.seq else return a.name < b.name end end)
+			order = {}
+			for i,val in ipairs(tmporder) do
+				order[#order+1] = val.name
+			end
+		end
+	end
+	local reverseorder= {["redir"]=0}
+	if order then
+		for x,name in ipairs(order) do
+			reverseorder[name] = x
+			if myform.value[name] then
+				myform.value[name].name = name
+				displayformitem(myform.value[name], nil, nil, header_level, group)
+			end
+		end
+	end
+	local reversefinishingorder = {}
+	if finishingorder then
+		for x,name in ipairs(finishingorder) do
+			reversefinishingorder[name] = x
+		end
+	end
+	for name,item in pairs(myform.value) do
+		if nil == reverseorder[name] and nil == reversefinishingorder[name] then
+			item.name = name
+			displayformitem(item, nil, nil, header_level, group)
+		end
+	end
+	if finishingorder then
+		for x,name in ipairs(finishingorder) do
+			if myform.value[name] then
+				myform.value[name].name = name
+				displayformitem(myform.value[name], nil, nil, header_level, group)
+			end
+		end
+	end
+end
+
+function displayformend(myform)
+	if not myform then return end
+	io.write('<DT></DT><DD><input class="submit" type="submit" name="' .. html.html_escape(myform.option) .. '" value="' .. html.html_escape(myform.submit or myform.option) .. '"></DD>\n')
+	io.write('</FORM>')
+	io.write('</DL>\n')
+end
+
+function displayform(myform, order, finishingorder, page_info, header_level)
+	if not myform then return end
+	displayformstart(myform, page_info)
+	displayformcontents(myform, order, finishingorder, header_level)
+	displayformend(myform)
+end
+
+function displaycommandresults(commands, session, preserveerrors)
+	local cmdresult = {}
+	for i,cmd in ipairs(commands) do
+		if session[cmd.."result"] then
+			cmdresult[#cmdresult + 1] = session[cmd.."result"]
+			if not preserveerrors or not session[cmd.."result"].errtxt then
+				session[cmd.."result"] = nil
+			end
+		end
+	end
+	if #cmdresult > 0 then
+		io.write("<H1>Command Result</H1>\n<DL>\n")
+		for i,result in ipairs(cmdresult) do
+			if type(result.value) == "string" and result.value ~= "" then io.write(string.gsub(html.html_escape(result.value), "\n", "<BR>") .. "\n") end
+			if result.descr then io.write('<P CLASS="descr">' .. string.gsub(html.html_escape(result.descr), "\n", "<BR>") .. "</P>\n") end
+			if result.errtxt then io.write('<P CLASS="error">' .. string.gsub(html.html_escape(result.errtxt), "\n", "<BR>") .. "</P>\n") end
+		end
+		io.write("</DL>\n")
+	end
+end
+
+-- Divide up data into pages of size pagesize
+-- clientdata can be a page number or a table where clientdata.page is the page number
+function paginate(data, clientdata, pagesize)
+	local subset = data
+	local page_data = { numpages=1, page=1, pagesize=pagesize, num=#data }
+	if #data > pagesize then
+		page_data.numpages = math.floor((#data + pagesize -1)/pagesize)
+		if clientdata and clientdata.page and tonumber(clientdata.page) then
+			page_data.page = tonumber(clientdata.page)
+		elseif clientdata and tonumber(clientdata) then
+			page_data.page = tonumber(clientdata)
+		end
+		if page_data.page > page_data.numpages then
+			page_data.page = page_data.numpages
+		elseif page_data.page < 0 then
+			page_data.page = 0
+		end
+		if page_data.page > 0 then
+			subset = {}
+			for i=((page_data.page-1)*pagesize)+1, page_data.page*pagesize do
+				table.insert(subset, data[i])
+			end
+		end
+	end
+	return subset, page_data
+end
+
+function displaypagination(page_data, page_info)
+	local min, max
+	if page_data.page == 0 then
+		min = 1
+		max = page_data.num
+	else
+		min = math.min(((page_data.page-1)*page_data.pagesize)+1, page_data.num)
+		max = math.min(page_data.page*page_data.pagesize, page_data.num)
+	end
+	if min == max then
+		io.write("Record "..min.." of "..page_data.num.."\n")
+	else
+		io.write("Records "..min.."-"..max.." of "..page_data.num.."\n")
+	end
+
+	if page_data.numpages > 1 then
+		-- Pre-determine the links for each page
+		local link = page_info.script .. page_info.orig_action .. "?"
+		local clientdata = {}
+		for name,val in pairs(page_info.clientdata) do
+			if name ~= "sessionid" and name ~= "page" then
+				clientdata[#clientdata + 1] = name.."="..val
+			end
+		end
+		if #clientdata > 0 then
+			link = link .. table.concat(clientdata, "&") .. "&"
+		end
+		link = link.."page="
+
+		function pagelink(page)
+			io.write(html.link{value=link..page, label=page}.."\n")
+		end
+
+		-- Print out < 1 n-50 n-25 n-10 n-2 n-1 n n+1 n+2 n+10 n+25 n+50 numpages >
+		io.write('<div align="right">Pages:')
+		local p = page_data.page
+		if p > 1 then
+			io.write("<a href="..link..(p-1).."><img SRC='"..html.html_escape(page_info.staticdir).."/tango/16x16/actions/go-previous.png' HEIGHT='16' WIDTH='16'></a>\n")
+		end
+		if p ~= 1 then
+			pagelink(1)
+		end
+		local links = {(p-3)-(p-3)%10, p-2, p-1, p, p+1, p+2, (p+12)-(p+12)%10}
+		table.insert(links, 1, links[1]-1-(links[1]-1)%25)
+		table.insert(links, 1, links[1]-1-(links[1]-1)%50)
+		table.insert(links, links[#links]+25-links[#links]%25)
+		table.insert(links, links[#links]+50-links[#links]%50)
+		for i,num in ipairs(links) do
+			if num==p and p~=0 then
+				io.write(p.."\n")
+			elseif num>1 and num<page_data.numpages then
+				pagelink(num)
+			end
+		end
+		if p<page_data.numpages then
+			pagelink(page_data.numpages)
+			if p~= 0 then
+				io.write("<a href="..link..(p+1).."><img SRC='"..html.html_escape(page_info.staticdir).."/tango/16x16/actions/go-next.png' HEIGHT='16' WIDTH='16'></a>\n")
+			end
+		end
+		if p~=0 then
+			io.write(html.link{value=link.."0", label="all"}.."\n")
+		end
+		io.write("</div>")
+	end
+end
+
+-- give a cfe and get back a string of what is inside
+-- great for troubleshooting and seeing what is really being passed to the view
+function cfe_unpack ( a )
+	if type(a) == "table" then
+		value = session.serialize("cfe", a)
+		value = "<pre>" .. html.html_escape(value) .. "</pre>"
+		return value
+	end
+end
-- 
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