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<?xml version="1.0"?>
<!--
###################################################
##Variable Chooser:
## a gui form with enumerated choices
## radio buttons, drop down, or button
###################################################
-->
<block>
<name>Variable Chooser</name>
<key>variable_chooser</key>
<import>from gnuradio.wxgui import forms</import>
<var_make>self.$(id) = $(id) = $value</var_make>
<make>self._$(id)_chooser = forms.$(type)(
parent=self.GetWin(),
value=self.$id,
callback=self.set_$(id),
#if $label()
label=$label,
#else
label='$id',
#end if
choices=$choices,
labels=$labels,
#if $type() == 'radio_buttons'
style=$style,
#end if
)
#set $grid_pos = $grid_pos()
#if not grid_pos
self.Add(self._$(id)_chooser)
#else
self.GridAdd(self._$(id)_chooser, $grid_pos[0], $grid_pos[1], $grid_pos[2], $grid_pos[3])
#end if</make>
<callback>self.set_$(id)($value)</callback>
<callback>self._$(id)_chooser.set_value($id)</callback>
<param>
<name>Label</name>
<key>label</key>
<value></value>
<type>string</type>
<hide>#if $label() then 'none' else 'part'#</hide>
</param>
<param>
<name>Default Value</name>
<key>value</key>
<value>1</value>
<type>raw</type>
</param>
<param>
<name>Choices</name>
<key>choices</key>
<value>[1, 2, 3]</value>
<type>raw</type>
</param>
<param>
<name>Labels</name>
<key>labels</key>
<value>[]</value>
<type>raw</type>
</param>
<param>
<name>Type</name>
<key>type</key>
<value>drop_down</value>
<type>enum</type>
<option>
<name>Drop Down</name>
<key>drop_down</key>
</option>
<option>
<name>Radio Buttons</name>
<key>radio_buttons</key>
</option>
<option>
<name>Button</name>
<key>button</key>
</option>
</param>
<param>
<name>Style</name>
<key>style</key>
<value>wx.RA_HORIZONTAL</value>
<type>enum</type>
<hide>#if $type() == 'radio_buttons' then 'part' else 'all'#</hide>
<option>
<name>Horizontal</name>
<key>wx.RA_HORIZONTAL</key>
</option>
<option>
<name>Vertical</name>
<key>wx.RA_VERTICAL</key>
</option>
</param>
<param>
<name>Grid Position</name>
<key>grid_pos</key>
<value></value>
<type>grid_pos</type>
</param>
<check>$value in $choices</check>
<check>not $labels or len($labels) == len($choices)</check>
<doc>
This block creates a variable with a drop down, radio buttons, or a button. \
Leave the label blank to use the variable id as the label. \
The value index is the index of a particular choice, \
which defines the default choice when the flow graph starts. \
The choices must be a list of possible values. \
Leave labels empty to use the choices as the labels.
Use the Grid Position (row, column, row span, column span) to position the graphical element in the window.
</doc>
</block>
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