1 files changed, 88 insertions, 0 deletions
diff --git a/grc/blocks/variable_config.xml b/grc/blocks/variable_config.xml
new file mode 100644
index 000000000..11bff9edc
--- /dev/null
+++ b/grc/blocks/variable_config.xml
@@ -0,0 +1,88 @@
+<?xml version="1.0"?>
+<!--
+###################################################
+##Variable Config block:
+##  a variable that reads and writes to a config file
+###################################################
+ -->
+<block>
+	<name>Variable Config</name>
+	<key>variable_config</key>
+	<import>import ConfigParser</import>
+	<var_make>self._$(id)_config = ConfigParser.ConfigParser()
+self._$(id)_config.read($config_file)
+try: $(id) = self._$(id)_config.$(type.get)($section, $option)
+except: $(id) = $value
+self.$(id) = $(id)</var_make>
+	<make></make>
+	<callback>self.set_$(id)($value)</callback>
+	<callback>self._$(id)_config = ConfigParser.ConfigParser()
+self._$(id)_config.read($config_file)
+if not self._$(id)_config.has_section($section):
+	self._$(id)_config.add_section($section)
+self._$(id)_config.set($section, $option, str($writeback))
+self._$(id)_config.write(open($config_file, 'w'))</callback>
+	<param>
+		<name>Default Value</name>
+		<key>value</key>
+		<value>0</value>
+		<type>$type</type>
+	</param>
+	<param>
+		<name>Type</name>
+		<key>type</key>
+		<value>real</value>
+		<type>enum</type>
+		<option>
+			<name>Float</name>
+			<key>real</key>
+			<opt>get:getfloat</opt>
+		</option>
+		<option>
+			<name>Int</name>
+			<key>int</key>
+			<opt>get:getint</opt>
+		</option>
+		<option>
+			<name>Bool</name>
+			<key>bool</key>
+			<opt>get:getboolean</opt>
+		</option>
+		<option>
+			<name>String</name>
+			<key>string</key>
+			<opt>get:get</opt>
+		</option>
+	</param>
+	<param>
+		<name>Config File</name>
+		<key>config_file</key>
+		<value>default</value>
+		<type>file_open</type>
+	</param>
+	<param>
+		<name>Section</name>
+		<key>section</key>
+		<value>main</value>
+		<type>string</type>
+	</param>
+	<param>
+		<name>Option</name>
+		<key>option</key>
+		<value>key</value>
+		<type>string</type>
+	</param>
+	<param>
+		<name>WriteBack</name>
+		<key>writeback</key>
+		<value>None</value>
+		<type>raw</type>
+	</param>
+	<doc>
+This block represents a variable that can be read from a config file.
+
+To save the value back into the config file: \
+enter the name of another variable into the writeback param. \
+When the other variable is changed at runtime, the config file will be re-written.
+	</doc>
+</block>