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<?xml version="1.0"?>
<!--
###################################################
##Variable Chooser: a grc variable with multiple choices
###################################################
-->
<block>
<name>Variable Chooser</name>
<key>variable_chooser</key>
<make>$(choices)[$value_index]
_$(id)_control = grc_wxgui.$(chooser_type)_control(
window=self.GetWin(),
callback=self.set_$(id),
#if $label.eval
label=$label,
#else
label='$id',
#end if
index=$value_index,
choices=$choices,
labels=$labels,
)
#set $grid_pos = $grid_pos.eval
#if not grid_pos
self.Add(_$(id)_control)
#else
self.GridAdd(_$(id)_control, $grid_pos[0], $grid_pos[1], $grid_pos[2], $grid_pos[3])
#end if</make>
<param>
<name>Label</name>
<key>label</key>
<value></value>
<type>string</type>
</param>
<param>
<name>Value Index</name>
<key>value_index</key>
<value>0</value>
<type>int</type>
</param>
<param>
<name>Choices</name>
<key>choices</key>
<value>[1, 2, 3]</value>
<type>raw</type>
</param>
<param>
<name>Labels</name>
<key>labels</key>
<value>[]</value>
<type>raw</type>
</param>
<param>
<name>Chooser Type</name>
<key>chooser_type</key>
<value>drop_down</value>
<type>enum</type>
<option>
<name>Drop Down</name>
<key>drop_down</key>
</option>
<option>
<name>Radio Buttons Horizontal</name>
<key>radio_buttons_horizontal</key>
</option>
<option>
<name>Radio Buttons Vertical</name>
<key>radio_buttons_vertical</key>
</option>
<option>
<name>Button</name>
<key>button</key>
</option>
</param>
<param>
<name>Grid Position</name>
<key>grid_pos</key>
<value></value>
<type>grid_pos</type>
</param>
<check>$value_index in range(len($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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