gitlab-org--gitlab-foss/app/assets/javascripts/search_autocomplete.js.coffee
2016-06-20 12:34:27 +01:00

334 lines
8.6 KiB
CoffeeScript
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

class @SearchAutocomplete
KEYCODE =
ESCAPE: 27
BACKSPACE: 8
ENTER: 13
constructor: (opts = {}) ->
{
@wrap = $('.search')
@optsEl = @wrap.find('.search-autocomplete-opts')
@autocompletePath = @optsEl.data('autocomplete-path')
@projectId = @optsEl.data('autocomplete-project-id') || ''
@projectRef = @optsEl.data('autocomplete-project-ref') || ''
} = opts
# Dropdown Element
@dropdown = @wrap.find('.dropdown')
@dropdownContent = @dropdown.find('.dropdown-content')
@locationBadgeEl = @getElement('.location-badge')
@scopeInputEl = @getElement('#scope')
@searchInput = @getElement('.search-input')
@projectInputEl = @getElement('#search_project_id')
@groupInputEl = @getElement('#group_id')
@searchCodeInputEl = @getElement('#search_code')
@repositoryInputEl = @getElement('#repository_ref')
@clearInput = @getElement('.js-clear-input')
@saveOriginalState()
# Only when user is logged in
@createAutocomplete() if gon.current_user_id
@searchInput.addClass('disabled')
@saveTextLength()
@bindEvents()
# Finds an element inside wrapper element
getElement: (selector) ->
@wrap.find(selector)
saveOriginalState: ->
@originalState = @serializeState()
saveTextLength: ->
@lastTextLength = @searchInput.val().length
createAutocomplete: ->
@searchInput.glDropdown
filterInputBlur: false
filterable: true
filterRemote: true
highlight: true
enterCallback: false
filterInput: 'input#search'
search:
fields: ['text']
data: @getData.bind(@)
selectable: true
clicked: @onClick.bind(@)
getData: (term, callback) ->
_this = @
unless term
if contents = @getCategoryContents()
@searchInput.data('glDropdown').filter.options.callback contents
@enableAutocomplete()
return
# Prevent multiple ajax calls
return if @loadingSuggestions
@loadingSuggestions = true
jqXHR = $.get(@autocompletePath, {
project_id: @projectId
project_ref: @projectRef
term: term
}, (response) ->
# Hide dropdown menu if no suggestions returns
if !response.length
_this.disableAutocomplete()
return
data = []
# List results
firstCategory = true
for suggestion in response
# Add group header before list each group
if lastCategory isnt suggestion.category
data.push 'separator' if !firstCategory
firstCategory = false if firstCategory
data.push
header: suggestion.category
lastCategory = suggestion.category
data.push
id: "#{suggestion.category.toLowerCase()}-#{suggestion.id}"
category: suggestion.category
text: suggestion.label
url: suggestion.url
# Add option to proceed with the search
if data.length
data.push('separator')
data.push
text: "Result name contains \"#{term}\""
url: "/search?\
search=#{term}\
&project_id=#{_this.projectInputEl.val()}\
&group_id=#{_this.groupInputEl.val()}"
callback(data)
).always ->
_this.loadingSuggestions = false
getCategoryContents: ->
userId = gon.current_user_id
{ utils, projectOptions, groupOptions, dashboardOptions } = gl
if utils.isInGroupsPage() and groupOptions
options = groupOptions[utils.getGroupSlug()]
else if utils.isInProjectPage() and projectOptions
options = projectOptions[utils.getProjectSlug()]
else if dashboardOptions
options = dashboardOptions
{ issuesPath, mrPath, name } = options
items = [
{ header: "#{name}" }
{ text: 'Issues assigned to me', url: "#{issuesPath}/?assignee_id=#{userId}" }
{ text: "Issues I've created", url: "#{issuesPath}/?author_id=#{userId}" }
'separator'
{ text: 'Merge requests assigned to me', url: "#{mrPath}/?assignee_id=#{userId}" }
{ text: "Merge requests I've created", url: "#{mrPath}/?author_id=#{userId}" }
]
items.splice 0, 1 unless name
return items
serializeState: ->
{
# Search Criteria
search_project_id: @projectInputEl.val()
group_id: @groupInputEl.val()
search_code: @searchCodeInputEl.val()
repository_ref: @repositoryInputEl.val()
scope: @scopeInputEl.val()
# Location badge
_location: @locationBadgeEl.text()
}
bindEvents: ->
@searchInput.on 'keydown', @onSearchInputKeyDown
@searchInput.on 'keyup', @onSearchInputKeyUp
@searchInput.on 'click', @onSearchInputClick
@searchInput.on 'focus', @onSearchInputFocus
@searchInput.on 'blur', @onSearchInputBlur
@clearInput.on 'click', @onClearInputClick
@locationBadgeEl.on 'click', =>
@searchInput.focus()
enableAutocomplete: ->
# No need to enable anything if user is not logged in
return if !gon.current_user_id
unless @dropdown.hasClass('open')
_this = @
@loadingSuggestions = false
@dropdown
.addClass('open')
.trigger('shown.bs.dropdown')
@searchInput.removeClass('disabled')
onSearchInputKeyDown: =>
# Saves last length of the entered text
@saveTextLength()
onSearchInputKeyUp: (e) =>
switch e.keyCode
when KEYCODE.BACKSPACE
# when trying to remove the location badge
if @lastTextLength is 0 and @badgePresent()
@removeLocationBadge()
# When removing the last character and no badge is present
if @lastTextLength is 1
@disableAutocomplete()
# When removing any character from existin value
if @lastTextLength > 1
@enableAutocomplete()
when KEYCODE.ESCAPE
@restoreOriginalState()
else
# Handle the case when deleting the input value other than backspace
# e.g. Pressing ctrl + backspace or ctrl + x
if @searchInput.val() is ''
@disableAutocomplete()
else
# We should display the menu only when input is not empty
@enableAutocomplete() if e.keyCode isnt KEYCODE.ENTER
@wrap.toggleClass 'has-value', !!e.target.value
# Avoid falsy value to be returned
return
onSearchInputClick: (e) =>
# Prevents closing the dropdown menu
e.stopImmediatePropagation()
onSearchInputFocus: =>
@isFocused = true
@wrap.addClass('search-active')
@getData() if @getValue() is ''
getValue: -> return @searchInput.val()
onClearInputClick: (e) =>
e.preventDefault()
@searchInput.val('').focus()
onSearchInputBlur: (e) =>
@isFocused = false
@wrap.removeClass('search-active')
# If input is blank then restore state
if @searchInput.val() is ''
@restoreOriginalState()
addLocationBadge: (item) ->
category = if item.category? then "#{item.category}: " else ''
value = if item.value? then item.value else ''
badgeText = "#{category}#{value}"
@locationBadgeEl.text(badgeText).show()
@wrap.addClass('has-location-badge')
hasLocationBadge: -> return @wrap.is '.has-location-badge'
restoreOriginalState: ->
inputs = Object.keys @originalState
for input in inputs
@getElement("##{input}").val(@originalState[input])
if @originalState._location is ''
@locationBadgeEl.hide()
else
@addLocationBadge(
value: @originalState._location
)
badgePresent: ->
@locationBadgeEl.length
resetSearchState: ->
inputs = Object.keys @originalState
for input in inputs
# _location isnt a input
break if input is '_location'
@getElement("##{input}").val('')
removeLocationBadge: ->
@locationBadgeEl.hide()
@resetSearchState()
@wrap.removeClass('has-location-badge')
@disableAutocomplete()
disableAutocomplete: ->
@searchInput.addClass('disabled')
@dropdown.removeClass('open')
@restoreMenu()
restoreMenu: ->
html = "<ul>
<li><a class='dropdown-menu-empty-link is-focused'>Loading...</a></li>
</ul>"
@dropdownContent.html(html)
onClick: (item, $el, e) ->
if location.pathname.indexOf(item.url) isnt -1
e.preventDefault()
if not @badgePresent
if item.category is 'Projects'
@projectInputEl.val(item.id)
@addLocationBadge(
value: 'This project'
)
if item.category is 'Groups'
@groupInputEl.val(item.id)
@addLocationBadge(
value: 'This group'
)
$el.removeClass('is-active')
@disableAutocomplete()
@searchInput.val('').focus()