overleaf/services/web/public/coffee/components/inputSuggestions.coffee

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define [
"base"
], (App) ->
inputSuggestionsController = ($scope, $element, $attrs) ->
ctrl = @
ctrl.showHint = false
ctrl.hasFocus = false
ctrl.handleFocus = () ->
ctrl.hasFocus = true
ctrl.suggestion = null
ctrl.handleBlur = () ->
ctrl.showHint = false
ctrl.hasFocus = false
ctrl.suggestion = null
ctrl.onBlur()
ctrl.handleKeyDown = ($event) ->
if ($event.which == 9 or $event.which == 13) and ctrl.suggestion? and ctrl.suggestion != ""
$event.preventDefault()
ctrl.localNgModel += ctrl.suggestion
ctrl.suggestion = null
ctrl.showHint = false
$scope.$watch "$ctrl.localNgModel", (newVal, oldVal) ->
if ctrl.hasFocus and newVal != oldVal
ctrl.suggestion = null
ctrl.showHint = false
ctrl.getSuggestion({ userInput: newVal })
.then (suggestion) ->
if suggestion? and newVal == ctrl.localNgModel
ctrl.showHint = true
ctrl.suggestion = suggestion.replace newVal, ""
.catch () -> ctrl.suggestion = null
return
App.component "inputSuggestions", {
bindings:
localNgModel: "=ngModel"
localNgModelOptions: "=?ngModelOptions"
getSuggestion: "&"
onBlur: "&?"
inputId: "@?"
inputName: "@?"
inputPlaceholder: "@?"
inputType: "@?"
inputRequired: "=?"
controller: inputSuggestionsController
template: """
<div class="input-suggestions">
<div type="text" class="form-control input-suggestions-shadow">
<span ng-bind="$ctrl.localNgModel" class="input-suggestions-shadow-existing" ng-show="$ctrl.showHint"></span><span ng-bind="$ctrl.suggestion" class="input-suggestions-shadow-suggested" ng-show="$ctrl.showHint"></span>
</div>
<input type="text" ng-focus="$ctrl.handleFocus()" ng-keyDown="$ctrl.handleKeyDown($event)" ng-blur="$ctrl.handleBlur()" ng-model="$ctrl.localNgModel" ng-model-options="$ctrl.localNgModelOptions" ng-model-options="{ debounce: 50 }" class="form-control input-suggestions-main" ng-attr-id="{{ ::$ctrl.inputId }}" ng-attr-placeholder="{{ ::$ctrl.inputPlaceholder }}" ng-attr-type="{{ ::$ctrl.inputType }}" ng-attr-name="{{ ::$ctrl.inputName }}" ng-required="::$ctrl.inputRequired">
</div>
"""
}