mirror of
https://github.com/overleaf/overleaf.git
synced 2024-12-13 20:32:52 -05:00
e035d526d6
Restructure frontend directories GitOrigin-RevId: 5a1224ca186f4809df45680a80d374c1c318d7bf
258 lines
6.7 KiB
JavaScript
258 lines
6.7 KiB
JavaScript
/* --- Made by justgoscha and licensed under MIT license --- */
|
|
|
|
var app = angular.module('autocomplete', []);
|
|
|
|
app.directive('autocomplete', function() {
|
|
var index = -1;
|
|
|
|
return {
|
|
restrict: 'E',
|
|
scope: {
|
|
searchParam: '=ngModel',
|
|
suggestions: '=data',
|
|
onType: '=onType',
|
|
onSelect: '=onSelect'
|
|
},
|
|
controller: ['$scope', function($scope){
|
|
// the index of the suggestions that's currently selected
|
|
$scope.selectedIndex = -1;
|
|
|
|
// set new index
|
|
$scope.setIndex = function(i){
|
|
$scope.selectedIndex = parseInt(i);
|
|
};
|
|
|
|
this.setIndex = function(i){
|
|
$scope.setIndex(i);
|
|
$scope.$apply();
|
|
};
|
|
|
|
$scope.getIndex = function(i){
|
|
return $scope.selectedIndex;
|
|
};
|
|
|
|
// watches if the parameter filter should be changed
|
|
var watching = true;
|
|
|
|
// autocompleting drop down on/off
|
|
$scope.completing = false;
|
|
|
|
// starts autocompleting on typing in something
|
|
$scope.$watch('searchParam', function(newValue, oldValue){
|
|
if (oldValue === newValue) {
|
|
return;
|
|
}
|
|
|
|
if(watching && $scope.searchParam) {
|
|
$scope.completing = true;
|
|
$scope.searchFilter = $scope.searchParam;
|
|
$scope.selectedIndex = -1;
|
|
}
|
|
|
|
// function thats passed to on-type attribute gets executed
|
|
if($scope.onType)
|
|
$scope.onType($scope.searchParam);
|
|
});
|
|
|
|
// for hovering over suggestions
|
|
this.preSelect = function(suggestion){
|
|
|
|
watching = false;
|
|
|
|
// this line determines if it is shown
|
|
// in the input field before it's selected:
|
|
//$scope.searchParam = suggestion;
|
|
|
|
$scope.$apply();
|
|
watching = true;
|
|
|
|
};
|
|
|
|
$scope.preSelect = this.preSelect;
|
|
|
|
this.preSelectOff = function(){
|
|
watching = true;
|
|
};
|
|
|
|
$scope.preSelectOff = this.preSelectOff;
|
|
|
|
// selecting a suggestion with RIGHT ARROW or ENTER
|
|
$scope.select = function(suggestion){
|
|
if(suggestion){
|
|
$scope.searchParam = suggestion;
|
|
$scope.searchFilter = suggestion;
|
|
if($scope.onSelect)
|
|
$scope.onSelect(suggestion);
|
|
}
|
|
watching = false;
|
|
$scope.completing = false;
|
|
setTimeout(function(){watching = true;},1000);
|
|
$scope.setIndex(-1);
|
|
};
|
|
|
|
|
|
}],
|
|
link: function(scope, element, attrs){
|
|
|
|
var attr = '';
|
|
|
|
// Default atts
|
|
scope.attrs = {
|
|
"placeholder": "start typing...",
|
|
"class": "",
|
|
"id": "",
|
|
"inputclass": "",
|
|
"inputid": ""
|
|
};
|
|
|
|
for (var a in attrs) {
|
|
attr = a.replace('attr', '').toLowerCase();
|
|
// add attribute overriding defaults
|
|
// and preventing duplication
|
|
if (a.indexOf('attr') === 0) {
|
|
scope.attrs[attr] = attrs[a];
|
|
}
|
|
}
|
|
|
|
if (attrs.clickActivation) {
|
|
element[0].onclick = function(e){
|
|
if(!scope.searchParam){
|
|
scope.completing = true;
|
|
scope.$apply();
|
|
}
|
|
};
|
|
}
|
|
|
|
var key = {left: 37, up: 38, right: 39, down: 40 , enter: 13, esc: 27};
|
|
|
|
document.addEventListener("keydown", function(e){
|
|
var keycode = e.keyCode || e.which;
|
|
|
|
switch (keycode){
|
|
case key.esc:
|
|
// disable suggestions on escape
|
|
scope.select();
|
|
scope.setIndex(-1);
|
|
scope.$apply();
|
|
e.preventDefault();
|
|
}
|
|
}, true);
|
|
|
|
document.addEventListener("blur", function(e){
|
|
// disable suggestions on blur
|
|
// we do a timeout to prevent hiding it before a click event is registered
|
|
setTimeout(function() {
|
|
scope.select();
|
|
scope.setIndex(-1);
|
|
scope.$apply();
|
|
}, 200);
|
|
}, true);
|
|
|
|
element[0].addEventListener("keydown",function (e){
|
|
var keycode = e.keyCode || e.which;
|
|
|
|
var l = angular.element(this).find('li').length;
|
|
|
|
// implementation of the up and down movement in the list of suggestions
|
|
switch (keycode){
|
|
case key.up:
|
|
|
|
index = scope.getIndex()-1;
|
|
if(index<-1){
|
|
index = l-1;
|
|
} else if (index >= l ){
|
|
index = -1;
|
|
scope.setIndex(index);
|
|
scope.preSelectOff();
|
|
break;
|
|
}
|
|
scope.setIndex(index);
|
|
|
|
if(index!==-1)
|
|
scope.preSelect(angular.element(angular.element(this).find('li')[index]).text());
|
|
|
|
scope.$apply();
|
|
|
|
break;
|
|
case key.down:
|
|
index = scope.getIndex()+1;
|
|
if(index<-1){
|
|
index = l-1;
|
|
} else if (index >= l ){
|
|
index = -1;
|
|
scope.setIndex(index);
|
|
scope.preSelectOff();
|
|
scope.$apply();
|
|
break;
|
|
}
|
|
scope.setIndex(index);
|
|
|
|
if(index!==-1)
|
|
scope.preSelect(angular.element(angular.element(this).find('li')[index]).text());
|
|
|
|
break;
|
|
case key.left:
|
|
break;
|
|
case key.right:
|
|
case key.enter:
|
|
|
|
index = scope.getIndex();
|
|
// scope.preSelectOff();
|
|
if(index !== -1)
|
|
scope.select(angular.element(angular.element(this).find('li')[index]).text());
|
|
scope.setIndex(-1);
|
|
scope.$apply();
|
|
|
|
break;
|
|
case key.esc:
|
|
// disable suggestions on escape
|
|
scope.select();
|
|
scope.setIndex(-1);
|
|
scope.$apply();
|
|
e.preventDefault();
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
if(scope.getIndex()!==-1 || keycode == key.enter)
|
|
e.preventDefault();
|
|
});
|
|
},
|
|
templateUrl: 'js/libs/angular-autocomplete/ac_template.html'
|
|
};
|
|
});
|
|
|
|
app.filter('highlight', ['$sce', function ($sce) {
|
|
return function (input, searchParam) {
|
|
if (typeof input === 'function') return '';
|
|
if (searchParam) {
|
|
var words = '(' +
|
|
searchParam.split(/\ /).join(' |') + '|' +
|
|
searchParam.split(/\ /).join('|') +
|
|
')',
|
|
exp = new RegExp(words, 'gi');
|
|
if (words.length) {
|
|
input = input.replace(exp, "<span class=\"highlight\">$1</span>");
|
|
}
|
|
}
|
|
return $sce.trustAsHtml(input);
|
|
};
|
|
}]);
|
|
|
|
app.directive('suggestion', function(){
|
|
return {
|
|
restrict: 'A',
|
|
require: '^autocomplete', // ^look for controller on parents element
|
|
link: function(scope, element, attrs, autoCtrl){
|
|
element.bind('mouseenter', function() {
|
|
autoCtrl.preSelect(attrs.val);
|
|
autoCtrl.setIndex(attrs.index);
|
|
});
|
|
|
|
element.bind('mouseleave', function() {
|
|
autoCtrl.preSelectOff();
|
|
});
|
|
}
|
|
};
|
|
});
|