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module LabelsHelper
include ActionView::Helpers::TagHelper
# Link to a Label
#
# label - Label object to link to
# subject - Project/Group object which will be used as the context for the
# label's link. If omitted, defaults to the label's own group/project.
# type - The type of item the link will point to (:issue or
# :merge_request). If omitted, defaults to :issue.
# block - An optional block that will be passed to `link_to`, forming the
# body of the link element. If omitted, defaults to
# `render_colored_label`.
#
# Examples:
#
# # Allow the generated link to use the label's own subject
# link_to_label(label)
#
# # Force the generated link to use a provided group
# link_to_label(label, subject: Group.last)
#
# # Force the generated link to use a provided project
# link_to_label(label, subject: Project.last)
#
# # Force the generated link to point to merge requests instead of issues
# link_to_label(label, type: :merge_request)
#
# # Customize link body with a block
# link_to_label(label) { "My Custom Label Text" }
#
# Returns a String
def link_to_label(label, subject: nil, type: :issue, tooltip: true, css_class: nil, &block)
link = label_filter_path(subject || label.subject, label, type: type)
if block_given?
link_to link, class: css_class, &block
else
link_to render_colored_label(label, tooltip: tooltip), link, class: css_class
end
end
def label_filter_path(subject, label, type: :issue)
case subject
when Group
send("#{type.to_s.pluralize}_group_path",
subject,
label_name: [label.name])
when Project
send("namespace_project_#{type.to_s.pluralize}_path",
subject.namespace,
subject,
label_name: [label.name])
end
end
def edit_label_path(label)
case label
when GroupLabel then edit_group_label_path(label.group, label)
when ProjectLabel then edit_namespace_project_label_path(label.project.namespace, label.project, label)
end
end
def destroy_label_path(label)
case label
when GroupLabel then group_label_path(label.group, label)
when ProjectLabel then namespace_project_label_path(label.project.namespace, label.project, label)
end
end
def toggle_subscription_data(label)
return unless label.is_a?(ProjectLabel)
{
url: toggle_subscription_namespace_project_label_path(label.project.namespace, label.project, label)
}
end
def render_colored_label(label, label_suffix = '', tooltip: true)
label_color = label.color || Label::DEFAULT_COLOR
text_color = text_color_for_bg(label_color)
# Intentionally not using content_tag here so that this method can be called
# by LabelReferenceFilter
span = %(<span class="label color-label #{"has-tooltip" if tooltip}" ) +
%(style="background-color: #{label_color}; color: #{text_color}" ) +
%(title="#{escape_once(label.description)}" data-container="body">) +
%(#{escape_once(label.name)}#{label_suffix}</span>)
span.html_safe
end
def render_colored_cross_project_label(label, source_project = nil, tooltip: true)
label_suffix = source_project ? source_project.name_with_namespace : label.project.name_with_namespace
label_suffix = " <i>in #{escape_once(label_suffix)}</i>"
render_colored_label(label, label_suffix, tooltip: tooltip)
end
def suggested_colors
[
'#0033CC',
'#428BCA',
'#44AD8E',
'#A8D695',
'#5CB85C',
'#69D100',
'#004E00',
'#34495E',
'#7F8C8D',
'#A295D6',
'#5843AD',
'#8E44AD',
'#FFECDB',
'#AD4363',
'#D10069',
'#CC0033',
'#FF0000',
'#D9534F',
'#D1D100',
'#F0AD4E',
'#AD8D43'
]
end
def text_color_for_bg(bg_color)
if bg_color.length == 4
r, g, b = bg_color[1, 4].scan(/./).map { |v| (v * 2).hex }
else
r, g, b = bg_color[1, 7].scan(/.{2}/).map(&:hex)
end
if (r + g + b) > 500
'#333333'
else
'#FFFFFF'
end
end
def labels_filter_path
return group_labels_path(@group, :json) if @group
project = @target_project || @project
if project
namespace_project_labels_path(project.namespace, project, :json)
else
dashboard_labels_path(:json)
end
end
def label_subscription_status(label)
case label
when GroupLabel then 'Subscribing to group labels is currently not supported.'
when ProjectLabel then label.subscribed?(current_user) ? 'subscribed' : 'unsubscribed'
end
end
def label_subscription_toggle_button_text(label)
case label
when GroupLabel then 'Subscribing to group labels is currently not supported.'
when ProjectLabel then label.subscribed?(current_user) ? 'Unsubscribe' : 'Subscribe'
end
end
def label_deletion_confirm_text(label)
case label
when GroupLabel then 'Remove this label? This will affect all projects within the group. Are you sure?'
when ProjectLabel then 'Remove this label? Are you sure?'
end
end
# Required for Banzai::Filter::LabelReferenceFilter
module_function :render_colored_label, :render_colored_cross_project_label,
:text_color_for_bg, :escape_once
end
|
