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71 lines
2.6 KiB
71 lines
2.6 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is a project management system.
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# Copyright (C) 2012-2018 the OpenProject Foundation (OPF)
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2017 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# See docs/COPYRIGHT.rdoc for more details.
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#++
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module ColorsHelper
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def options_for_colors(colored_thing, default_label: I18n.t(:label_none_parentheses), default_color: nil)
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s = content_tag(:option, default_label, value: default_color)
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Color.find_each do |c|
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options = {}
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options[:value] = c.id
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options[:data] = { color: c.hexcode, bright: c.bright? }
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options[:selected] = true if c.id == colored_thing.color_id
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options[:style] = "appearance: none; background-color: #{c.hexcode}; color: #{c.contrasting_color}"
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s << content_tag(:option, c.name, options)
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end
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s
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end
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def darken_color(hex_color, amount = 0.4)
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hex_color = hex_color.delete('#')
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rgb = hex_color.scan(/../).map(&:hex)
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rgb[0] = (rgb[0].to_i * amount).round
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rgb[1] = (rgb[1].to_i * amount).round
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rgb[2] = (rgb[2].to_i * amount).round
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"#%02x%02x%02x" % rgb
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end
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def colored_text(color)
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background = color.contrasting_color(dark_color: '#333', light_color: 'transparent')
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style = "background-color: #{background}; color: #{color.hexcode}"
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content_tag(:span, color.hexcode, class: 'color--text-preview', style: style)
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end
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def icon_for_color(color, options = {})
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return unless color
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options = options.merge(class: 'color--preview ' + options[:class].to_s,
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style: "background-color: #{color.hexcode};" + options[:style].to_s)
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content_tag(:span, ' ', options)
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end
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end
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