From b618361bf1c7ea160f3e0ef18aa8f409f7a21eff Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Fri, 10 Oct 2008 21:52:22 +0000
Subject: [PATCH] * luci/libs/cbi: implement file browse fields *
 luci/modules/admin-full: add file browse controller

---
 libs/cbi/htdocs/luci-static/resources/cbi.js  |  10 ++
 libs/cbi/luasrc/cbi.lua                       |  14 ++
 libs/cbi/luasrc/view/cbi/browser.htm          |  23 ++++
 libs/cbi/luasrc/view/cbi/filebrowser.htm      | 122 ++++++++++++++++++
 .../luasrc/controller/admin/filebrowser.lua   |  20 +++
 5 files changed, 189 insertions(+)
 create mode 100644 libs/cbi/luasrc/view/cbi/browser.htm
 create mode 100644 libs/cbi/luasrc/view/cbi/filebrowser.htm
 create mode 100644 modules/admin-full/luasrc/controller/admin/filebrowser.lua

diff --git a/libs/cbi/htdocs/luci-static/resources/cbi.js b/libs/cbi/htdocs/luci-static/resources/cbi.js
index d7bc74bc5..4b1849bea 100644
--- a/libs/cbi/htdocs/luci-static/resources/cbi.js
+++ b/libs/cbi/htdocs/luci-static/resources/cbi.js
@@ -167,3 +167,13 @@ function cbi_combobox_init(id, values, def, man) {
 	});
 	cbi_combobox(id, values, def, man);
 }
+
+function cbi_filebrowser(id, url, defpath) {
+	var field   = document.getElementById(id);
+	var browser = window.open(
+		url + ( field.value || defpath || '' ) + '?field=' + id,
+		"luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
+	);
+
+	browser.focus();
+}
diff --git a/libs/cbi/luasrc/cbi.lua b/libs/cbi/luasrc/cbi.lua
index 176fa453a..eed2b64d3 100644
--- a/libs/cbi/luasrc/cbi.lua
+++ b/libs/cbi/luasrc/cbi.lua
@@ -1395,6 +1395,12 @@ function FileUpload.__init__(self, ...)
 	end
 end
 
+function FileUpload.formcreated(self, section)
+	return AbstractValue.formcreated(self, section) or
+		luci.http.formvalue("cbi.rlf."..section.."."..self.option) or
+		luci.http.formvalue("cbi.rlf."..section.."."..self.option..".x")
+end
+
 function FileUpload.cfgvalue(self, section)
 	local val = AbstractValue.cfgvalue(self, section)
 	if val and luci.fs.access(val) then
@@ -1422,3 +1428,11 @@ function FileUpload.remove(self, section)
 	if val and luci.fs.access(val) then luci.fs.unlink(val) end
 	return AbstractValue.remove(self, section)
 end
+
+
+FileBrowser = class(AbstractValue)
+
+function FileBrowser.__init__(self, ...)
+	AbstractValue.__init__(self, ...)
+	self.template = "cbi/browser"
+end
diff --git a/libs/cbi/luasrc/view/cbi/browser.htm b/libs/cbi/luasrc/view/cbi/browser.htm
new file mode 100644
index 000000000..1982fcb05
--- /dev/null
+++ b/libs/cbi/luasrc/view/cbi/browser.htm
@@ -0,0 +1,23 @@
+<%#
+LuCI - Lua Configuration Interface
+Copyright 2008 Steven Barth <steven@midlink.org>
+Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+
+-%>
+
+<%
+	local t = require("luci.tools.webadmin")
+	local v = self:cfgvalue(section)
+-%>
+<%+cbi/valueheader%>
+	<input class="cbi-input-text" type="text"<%= attr("value", v) .. attr("name", cbid) .. attr("id", cbid) %> />
+	<input class="cbi-input-image" type="image" value="<%:cbi_browser%>" onclick="cbi_filebrowser('<%=cbid%>','<%=luci.dispatcher.build_url("admin", "filebrowser")%>'<%=self.default_path and ", '"..self.default_path.."'"%>);return false" alt="<%:cbi_browser%>" title="<%:cbi_browser%>" src="<%=resource%>/cbi/folder.png" style="vertical-align:bottom" />
+<%+cbi/valuefooter%>
diff --git a/libs/cbi/luasrc/view/cbi/filebrowser.htm b/libs/cbi/luasrc/view/cbi/filebrowser.htm
new file mode 100644
index 000000000..0e223a933
--- /dev/null
+++ b/libs/cbi/luasrc/view/cbi/filebrowser.htm
@@ -0,0 +1,122 @@
+<%#
+LuCI - Lua Configuration Interface
+Copyright 2008 Steven Barth <steven@midlink.org>
+Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+
+-%>
+
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+    <title>Filebrowser - LuCI</title>
+	<style type="text/css">
+		#path, #listing {
+			font-size: 85%;
+		}
+
+		ul {
+			padding-left: 0;
+			list-style-type: none;
+		}
+
+		li img {
+			vertical-align: bottom;
+			margin-right: 0.2em;
+		}
+	</style>
+
+	<script type="text/javascript">
+		function callback(path) {
+			if( window.opener ) {
+				var input = window.opener.document.getElementById('<%=luci.http.formvalue('field')%>');
+				if( input ) {
+					input.value = path;
+					window.close();
+				}
+			}
+		}
+	</script>
+</head>
+<body>
+	<%
+		require("luci.fs")
+		require("luci.http")
+		require("luci.dispatcher")
+
+		local field   = luci.http.formvalue('field')
+		local request = luci.dispatcher.context.path
+		local path    = { '' }
+
+		for i = 3, #request do
+			if request[i] ~= '..' and #request[i] > 0 then
+				path[#path+1] = request[i]
+			end
+		end
+
+		local filepath = table.concat( path, '/' )
+		local filestat = luci.fs.stat( filepath )
+		local baseurl  = luci.dispatcher.build_url('admin', 'filebrowser')
+
+		if filestat and filestat.type == "regular" then
+			table.remove( path, #path )
+			filepath = table.concat( path, '/' ) .. '/'
+		elseif not ( filestat and filestat.type == "directory" ) then
+			path     = { '' }
+			filepath = '/'
+		else
+			filepath = filepath .. '/'
+		end
+
+		local entries = luci.fs.dir(filepath)
+	-%>
+    <div id="path">
+		Location:
+		<% for i, dir in ipairs(path) do %>
+			<% if i == 1 then %>
+				<a href="<%=baseurl%>?field=<%=field%>">(root)</a>
+			<% elseif next(path, i) then %>
+				<% baseurl = baseurl .. '/' .. dir %>
+				/ <a href="<%=baseurl%>?field=<%=field%>"><%=dir%></a>
+			<% else %>
+				<% baseurl = baseurl .. '/' .. dir %>
+				/ <%=dir%>
+			<% end %>
+		<% end %>
+	</div>
+
+	<hr />
+
+	<div id="listing">
+		<ul>
+			<% for _, e in luci.util.vspairs(entries) do
+			    local stat = luci.fs.stat(filepath..e)
+				if e ~= '.' and e ~= '..' and stat and stat.type == 'directory' then
+			-%>
+				<li class="dir">
+					<img src="/luci-static/resources/cbi/folder.png" alt="Directory" />
+					<a href="<%=baseurl%>/<%=e%>?field=<%=field%>"><%=e%>/</a>
+				</li>
+			<% end end -%>
+
+			<% for _, e in luci.util.vspairs(entries) do
+			    local stat = luci.fs.stat(filepath..e)
+				if stat and stat.type ~= 'directory' then
+			-%>
+				<li class="file">
+					<img src="/luci-static/resources/cbi/file.png" alt="File" />
+					<a href="#" onclick="callback('<%=filepath..e%>')"><%=e%></a>
+				</li>
+			<% end end -%>
+		</ul>
+	</div>
+</body>
+</html>
diff --git a/modules/admin-full/luasrc/controller/admin/filebrowser.lua b/modules/admin-full/luasrc/controller/admin/filebrowser.lua
new file mode 100644
index 000000000..d83139fd7
--- /dev/null
+++ b/modules/admin-full/luasrc/controller/admin/filebrowser.lua
@@ -0,0 +1,20 @@
+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2008 Steven Barth <steven@midlink.org>
+Copyright 2008 Jo-Philipp Wich <xm@leipzig.freifunk.net>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+$Id$
+]]--
+
+module("luci.controller.admin.filebrowser", package.seeall)
+
+function index()
+	entry( {"admin", "filebrowser"}, template("cbi/filebrowser") ).leaf = true
+end
-- 
2.25.1