| @@ -139,8 +139,8 class MyController < ApplicationController | |||
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139 | 139 | # params[:list-(top|left|right)] : array of block ids of the group |
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140 | 140 | def order_blocks |
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141 | 141 | group = params[:group] |
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142 |
if group.is_a?( |
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143 | group_items = params["list-#{group}"].collect(&:underscore) | |
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142 | if group.is_a?(String) | |
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143 | group_items = (params["list-#{group}"] || []).collect(&:underscore) | |
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144 | 144 | if group_items and group_items.is_a? Array |
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145 | 145 | # remove group blocks if they are presents in other groups |
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146 | 146 | %w(top left right).each {|f| |
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