in public/webpackShims/ui-bootstrap-custom/ui-bootstrap-custom.js [39:447]
function(originalScope, element, attrs, $compile, $parse, $q, $timeout, $document, $window, $rootScope, $position, typeaheadParser) {
var HOT_KEYS = [9, 13, 27, 38, 40];
var eventDebounceTime = 200;
var modelCtrl, ngModelOptions;
//SUPPORTED ATTRIBUTES (OPTIONS)
//minimal no of characters that needs to be entered before typeahead kicks-in
var minLength = originalScope.$eval(attrs.typeaheadMinLength);
if (!minLength && minLength !== 0) {
minLength = 1;
}
//minimal wait time after last character typed before typeahead kicks-in
var waitTime = originalScope.$eval(attrs.typeaheadWaitMs) || 0;
//should it restrict model values to the ones selected from the popup only?
var isEditable = originalScope.$eval(attrs.typeaheadEditable) !== false;
//binding to a variable that indicates if matches are being retrieved asynchronously
var isLoadingSetter = $parse(attrs.typeaheadLoading).assign || angular.noop;
//a callback executed when a match is selected
var onSelectCallback = $parse(attrs.typeaheadOnSelect);
//should it select highlighted popup value when losing focus?
var isSelectOnBlur = angular.isDefined(attrs.typeaheadSelectOnBlur) ? originalScope.$eval(attrs.typeaheadSelectOnBlur) : false;
//binding to a variable that indicates if there were no results after the query is completed
var isNoResultsSetter = $parse(attrs.typeaheadNoResults).assign || angular.noop;
var inputFormatter = attrs.typeaheadInputFormatter ? $parse(attrs.typeaheadInputFormatter) : undefined;
var appendToBody = attrs.typeaheadAppendToBody ? originalScope.$eval(attrs.typeaheadAppendToBody) : false;
var appendToElementId = attrs.typeaheadAppendToElementId || false;
var focusFirst = originalScope.$eval(attrs.typeaheadFocusFirst) !== false;
//If input matches an item of the list exactly, select it automatically
var selectOnExact = attrs.typeaheadSelectOnExact ? originalScope.$eval(attrs.typeaheadSelectOnExact) : false;
//INTERNAL VARIABLES
//model setter executed upon match selection
var parsedModel = $parse(attrs.ngModel);
var invokeModelSetter = $parse(attrs.ngModel + '($$$p)');
var $setModelValue = function(scope, newValue) {
if (angular.isFunction(parsedModel(originalScope)) &&
ngModelOptions && ngModelOptions.$options && ngModelOptions.$options.getterSetter) {
return invokeModelSetter(scope, {$$$p: newValue});
} else {
return parsedModel.assign(scope, newValue);
}
};
//expressions used by typeahead
var parserResult = typeaheadParser.parse(attrs.senseUibTypeahead);
var hasFocus;
//Used to avoid bug in iOS webview where iOS keyboard does not fire
//mousedown & mouseup events
//Issue #3699
var selected;
//create a child scope for the typeahead directive so we are not polluting original scope
//with typeahead-specific data (matches, query etc.)
var scope = originalScope.$new();
var offDestroy = originalScope.$on('$destroy', function() {
scope.$destroy();
});
scope.$on('$destroy', offDestroy);
// WAI-ARIA
var popupId = 'typeahead-' + scope.$id + '-' + Math.floor(Math.random() * 10000);
element.attr({
'aria-autocomplete': 'list',
'aria-expanded': false,
'aria-owns': popupId
});
//pop-up element used to display matches
var popUpEl = angular.element('<div sense-uib-typeahead-popup></div>');
popUpEl.attr({
id: popupId,
matches: 'matches',
active: 'activeIdx',
select: 'select(activeIdx)',
'move-in-progress': 'moveInProgress',
query: 'query',
position: 'position'
});
//custom item template
if (angular.isDefined(attrs.typeaheadTemplateUrl)) {
popUpEl.attr('template-url', attrs.typeaheadTemplateUrl);
}
if (angular.isDefined(attrs.typeaheadPopupTemplateUrl)) {
popUpEl.attr('popup-template-url', attrs.typeaheadPopupTemplateUrl);
}
var resetMatches = function() {
scope.matches = [];
scope.activeIdx = -1;
element.attr('aria-expanded', false);
};
var getMatchId = function(index) {
return popupId + '-option-' + index;
};
// Indicate that the specified match is the active (pre-selected) item in the list owned by this typeahead.
// This attribute is added or removed automatically when the `activeIdx` changes.
scope.$watch('activeIdx', function(index) {
if (index < 0) {
element.removeAttr('aria-activedescendant');
} else {
element.attr('aria-activedescendant', getMatchId(index));
}
});
var inputIsExactMatch = function(inputValue, index) {
if (scope.matches.length > index && inputValue) {
return inputValue.toUpperCase() === scope.matches[index].label.toUpperCase();
}
return false;
};
var getMatchesAsync = function(inputValue) {
var locals = {$viewValue: inputValue};
isLoadingSetter(originalScope, true);
isNoResultsSetter(originalScope, false);
$q.when(parserResult.source(originalScope, locals)).then(function(matches) {
//it might happen that several async queries were in progress if a user were typing fast
//but we are interested only in responses that correspond to the current view value
var onCurrentRequest = (inputValue === modelCtrl.$viewValue);
if (onCurrentRequest && hasFocus) {
if (matches && matches.length > 0) {
scope.activeIdx = focusFirst ? 0 : -1;
isNoResultsSetter(originalScope, false);
scope.matches.length = 0;
//transform labels
for (var i = 0; i < matches.length; i++) {
locals[parserResult.itemName] = matches[i];
scope.matches.push({
id: getMatchId(i),
label: parserResult.viewMapper(scope, locals),
model: matches[i]
});
}
scope.query = inputValue;
//position pop-up with matches - we need to re-calculate its position each time we are opening a window
//with matches as a pop-up might be absolute-positioned and position of an input might have changed on a page
//due to other elements being rendered
recalculatePosition();
element.attr('aria-expanded', true);
//Select the single remaining option if user input matches
if (selectOnExact && scope.matches.length === 1 && inputIsExactMatch(inputValue, 0)) {
scope.select(0);
}
} else {
resetMatches();
isNoResultsSetter(originalScope, true);
}
}
if (onCurrentRequest) {
isLoadingSetter(originalScope, false);
}
}, function() {
resetMatches();
isLoadingSetter(originalScope, false);
isNoResultsSetter(originalScope, true);
});
};
// bind events only if appendToBody params exist - performance feature
if (appendToBody) {
angular.element($window).bind('resize', fireRecalculating);
$document.find('body').bind('scroll', fireRecalculating);
}
// Declare the timeout promise var outside the function scope so that stacked calls can be cancelled later
var timeoutEventPromise;
// Default progress type
scope.moveInProgress = false;
function fireRecalculating() {
if (!scope.moveInProgress) {
scope.moveInProgress = true;
scope.$digest();
}
// Cancel previous timeout
if (timeoutEventPromise) {
$timeout.cancel(timeoutEventPromise);
}
// Debounced executing recalculate after events fired
timeoutEventPromise = $timeout(function() {
// if popup is visible
if (scope.matches.length) {
recalculatePosition();
}
scope.moveInProgress = false;
}, eventDebounceTime);
}
// recalculate actual position and set new values to scope
// after digest loop is popup in right position
function recalculatePosition() {
scope.position = appendToBody ? $position.offset(element) : $position.position(element);
scope.position.top += element.prop('offsetHeight');
}
//we need to propagate user's query so we can higlight matches
scope.query = undefined;
//Declare the timeout promise var outside the function scope so that stacked calls can be cancelled later
var timeoutPromise;
var scheduleSearchWithTimeout = function(inputValue) {
timeoutPromise = $timeout(function() {
getMatchesAsync(inputValue);
}, waitTime);
};
var cancelPreviousTimeout = function() {
if (timeoutPromise) {
$timeout.cancel(timeoutPromise);
}
};
resetMatches();
scope.select = function(activeIdx) {
//called from within the $digest() cycle
var locals = {};
var model, item;
selected = true;
locals[parserResult.itemName] = item = scope.matches[activeIdx].model;
model = parserResult.modelMapper(originalScope, locals);
$setModelValue(originalScope, model);
modelCtrl.$setValidity('editable', true);
modelCtrl.$setValidity('parse', true);
onSelectCallback(originalScope, {
$item: item,
$model: model,
$label: parserResult.viewMapper(originalScope, locals)
});
resetMatches();
//return focus to the input element if a match was selected via a mouse click event
// use timeout to avoid $rootScope:inprog error
if (scope.$eval(attrs.typeaheadFocusOnSelect) !== false) {
$timeout(function() { element[0].focus(); }, 0, false);
}
};
//bind keyboard events: arrows up(38) / down(40), enter(13) and tab(9), esc(27)
element.bind('keydown', function(evt) {
//typeahead is open and an "interesting" key was pressed
if (scope.matches.length === 0 || HOT_KEYS.indexOf(evt.which) === -1) {
return;
}
// if there's nothing selected (i.e. focusFirst) and enter or tab is hit, clear the results
if (scope.activeIdx === -1 && (evt.which === 9 || evt.which === 13)) {
resetMatches();
scope.$digest();
return;
}
evt.preventDefault();
if (evt.which === 40) {
scope.activeIdx = (scope.activeIdx + 1) % scope.matches.length;
scope.$digest();
} else if (evt.which === 38) {
scope.activeIdx = (scope.activeIdx > 0 ? scope.activeIdx : scope.matches.length) - 1;
scope.$digest();
} else if (evt.which === 13 || evt.which === 9) {
scope.$apply(function () {
scope.select(scope.activeIdx);
});
} else if (evt.which === 27) {
evt.stopPropagation();
resetMatches();
scope.$digest();
}
});
element.bind('blur', function() {
if (isSelectOnBlur && scope.matches.length && scope.activeIdx !== -1 && !selected) {
selected = true;
scope.$apply(function() {
scope.select(scope.activeIdx);
});
}
hasFocus = false;
selected = false;
});
// Keep reference to click handler to unbind it.
var dismissClickHandler = function(evt) {
// Issue #3973
// Firefox treats right click as a click on document
if (element[0] !== evt.target && evt.which !== 3 && scope.matches.length !== 0) {
resetMatches();
if (!$rootScope.$$phase) {
scope.$digest();
}
}
};
$document.bind('click', dismissClickHandler);
originalScope.$on('$destroy', function() {
$document.unbind('click', dismissClickHandler);
if (appendToBody || appendToElementId) {
$popup.remove();
}
// Prevent jQuery cache memory leak
popUpEl.remove();
});
var $popup = $compile(popUpEl)(scope);
if (appendToBody) {
$document.find('body').append($popup);
} else if (appendToElementId !== false) {
angular.element($document[0].getElementById(appendToElementId)).append($popup);
} else {
element.after($popup);
}
this.init = function(_modelCtrl, _ngModelOptions) {
modelCtrl = _modelCtrl;
ngModelOptions = _ngModelOptions;
//plug into $parsers pipeline to open a typeahead on view changes initiated from DOM
//$parsers kick-in on all the changes coming from the view as well as manually triggered by $setViewValue
modelCtrl.$parsers.unshift(function(inputValue) {
hasFocus = true;
if (minLength === 0 || inputValue && inputValue.length >= minLength) {
if (waitTime > 0) {
cancelPreviousTimeout();
scheduleSearchWithTimeout(inputValue);
} else {
getMatchesAsync(inputValue);
}
} else {
isLoadingSetter(originalScope, false);
cancelPreviousTimeout();
resetMatches();
}
if (isEditable) {
return inputValue;
} else {
if (!inputValue) {
// Reset in case user had typed something previously.
modelCtrl.$setValidity('editable', true);
return null;
} else {
modelCtrl.$setValidity('editable', false);
return undefined;
}
}
});
modelCtrl.$formatters.push(function(modelValue) {
var candidateViewValue, emptyViewValue;
var locals = {};
// The validity may be set to false via $parsers (see above) if
// the model is restricted to selected values. If the model
// is set manually it is considered to be valid.
if (!isEditable) {
modelCtrl.$setValidity('editable', true);
}
if (inputFormatter) {
locals.$model = modelValue;
return inputFormatter(originalScope, locals);
} else {
//it might happen that we don't have enough info to properly render input value
//we need to check for this situation and simply return model value if we can't apply custom formatting
locals[parserResult.itemName] = modelValue;
candidateViewValue = parserResult.viewMapper(originalScope, locals);
locals[parserResult.itemName] = undefined;
emptyViewValue = parserResult.viewMapper(originalScope, locals);
return candidateViewValue !== emptyViewValue ? candidateViewValue : modelValue;
}
});
};
}])