using angularJS 1.5.0-beta2
I'm wondering if its possible to paste the text input value using onkeyup.
for example:
<input type="text" id="foo" on-keyup="doit(<text-input-value>)" />
so in the doit function i need to paste the value of the text input.
any ideas?
If you just want the one key that was pressed then use String.fromCharCode() to find which key it is from the event keyCode.
$scope.showKey = function(event){
var pressedKey = String.fromCharCode(event.keyCode);
alert(pressedKey);
}
If you want to get all of the contents of the text input it would be better to use ng-model and ng-change together.
<input type="text" id="foo" ng-model="myInputValue" ng-change="doSomething()"></input>
var doSomething = function(){
alert($scope.myInputValue);
};
Related
I have an update function and a number of input boxes. Each input has an ng-blur attached to it so that the update function is called whenever the cursor leaves the box.
$scope.update = function(data) {
console.log(data); //outputs value in the textbox
//how can I output/access the key?
}
The input for name look like this:
<input type="text" ng-model="user.name" ng-blur="update(user.name)"/>
As I need to be able to post a JSON object in the form {"name" : "bob smith"} what's a good way of generating the "key" of the object bearing in mind that it will differ depending on the input box that's being used at the time?
EDIT ↓
I have made this jsfiddle to illustrate a way to do it more cleanly & that would scale more easily: http://jsfiddle.net/kuzyn/k5bh0fq4/5/
EDIT ↑
Why not simply pass a second string argument? It's not a fancy way to do it but it would work:
<input type="text" ng-model="user.name" ng-blur="update(user.name, 'name')"/>
And
$scope.update = function(data, key) {
console.log(key, data);
}
It might be a little more work but it is much more scalable. You could make use of the ng-form and naming your form inputs. By naming your form and inputs, you are creating a form reference on your scope via $scope[form-name]. Each named input within that form then sets an input reference via $scope[form-name][input-name].
I'm coding this in coffeescript (to preserve my sanity, sorry)
form
<form name="myForm">
<input name="name" ng-model="user.name" ng-blur="update(user)"/>
<input name="email" ng-model="user.email" ng-blur="update(user)"/>
<input name="other" ng-model="user.other" ng-blur="update(user)"/>
</form>
update & save func
# key is what changed in case you need to do something special on the put call to server
$scope.save = (data, key)->
# pseudo-code
$scope.update = (data)->
for name, input of $scope.myForm
if input?.$dirty
$scope.save data, name
break
docs - https://docs.angularjs.org/guide/forms
codepen - http://codepen.io/jusopi/pen/LGpVGM?editors=101
I am using Angular and I want to get access to the file input field's file name attributes and display it in another input box.
This is the file upload field:
<div class="btn btn-orange btn-file col-sm-3" >
<s:text name="expedientes.btn.seleccionar.fichero" />
<s:file name="form.filesUpload" multiple="multiple" ng-model="filesUploadModel" id="filesUploadId"/>
</div>
And the input box to show file name:
<input type="text" class="form-control"
id="fileNameId" name="fileName"
ng-model="fileNameModel" ng-disabled="true"
ng-init="" ng-bind="fileNameModel = filesUploadModel">
But the ng-bind is not working.
I also tried to define $watch for the file input field like this:
$scope.$watch(function() {
$scope.files = angular.element(document.querySelector('#filesUploadId'));
return files;
},
function(newValue, oldValue) {
$("#fileNameId").val(files.files[0].name);
});
to watch if the <input type="file" id="filesUploadId"> has changed, select this element and return it as files, and let the element with id fileNameId's value equals to files.files[0].name, because the file upload input has an attribute named files with all the files I upload, and their file names files[i].name.
But FF tells me files is undefined and no avail. It's not working.
Am I doing something wrong here? Please help and thanks!!
Edit: I am using this and no error, but no result either:
if (!angular.equals(document.getElementById("filesUploadId"), null)) {
$scope.$watch(function() {
var myFiles = document.getElementById("filesUploadId");
return myFiles;
},
function(newValue, oldValue) {
$( "#fileNameId" ).val(function(){
var result = null;
$(myFiles).each(function(){
result = name + this.attr(files).attr(name);
});
return result;
});
});
}
I solved it with pure JavaScript, enlighted by another question here:
AngularJs: How to check for changes in file input fields?
Actually, I find it impossible to use onchange() when the function I want to call is wrapped in angular module, except in the way in above answer:
onchange="angular.element(this).scope().setFileName()"
And in my script I only use pure JavaScript, except for the definition of the function:
angular.module('es.redfinanciera.app').controller('PanelMandarCorreoCtrl', function ($scope, $modalInstance) {
....(other functions)
$scope.setFileName = function() {
var result = "";
var adjuntos = document.getElementById("filesUploadId").files;
for (i = 0; i < adjuntos.length; i++){
result = result + adjuntos[i].name + "\r\n";
};
document.getElementById("fileNameId").value = result;
}
}
$scope.btnClean = function() {
document.getElementById("filesUploadId").value = "";
document.getElementById("fileNameId").value = "";
};
And in my jsp page, finally I have my file upload button and a clean button like this:
<div class="btn btn-orange btn-file col-sm-3" >
<s:text name="expedientes.btn.seleccionar.fichero" />
<s:file name="correoForm.filesUpload" id="filesUploadId" multiple="multiple" ng-model="filesUploadModel"
onchange="angular.element(this).scope().setFileName()"/>
</div>
<div class="col-sm-2">
<button class="btn btn-default btn-normal" type="button" ng-click="btnClean()">
<s:text name="expedientes.btn.quitar.fichero" />
</button>
</div>
I have a <textarea> to display all the file names:
<textarea class="form-control" ng-model="fileNameModel"
name="fileName" id="fileNameId"
ng-disabled="true"></textarea>
EDIT:
Clear button is not working in IE8 because it is not permitted in IE8 to set "" value to a file input field. My guess is, I can remove this file input field and copy a new one, with same style but no file is selected. But I have found a good question who has amounts of answers here:
clearing-input-type-file-using-jquery
Also, I heard that in IE8 onchange() event will not be triggered if you only select a file, you must add this.blur() after selecting a file. Regarding this issue, IE is following strictly the spec, but FF is not. But in my case, the event is actually triggered. Maybe because I am testing under IE 11 using Developing Tools' emulator for IE8.
I have a data object that looks like this:
$scope.data = { value1: 'anyValue', value2: 'anyValue'};
This data object will be updated via polling every second.
In the view I'm showing the data in input fields like:
<input type="number" ng-model="data.value1"/>
<input type="number" ng-model="data.value2"/>
The user should be able to focus one of the input fields and enter a value. Now this is not possible, because every change that is made in the field will be overwritten, when the data object gets updated.
I don't want to pause the whole polling process, because the other input field should still show its updated value.
What is the best way to pause only the binding of the focused input field, while it is focused?
I suggest you do the following:
<input type="number" ng-model="data.value1" ng-focus="onFocus('value1')" ng-blur="onBlur('value1')"/>
<input type="number" ng-model="data.value2" ng-focus="onFocus('value2')" ng-blur="onBlur('value2')"/>
In your controller, something like:
$scope.onFocus = function(key) {
$scope.preventChange = key;
};
$scope.onBlur = function(key) {
$scope.preventChange = null;
};
And then whenever you do your polling and updating, check if the data key you are trying to update is the one in $scope.preventChange, and if so - don't change it.
I have text area box in that i will type emails with comma separated then ng List directive split those emails into array now i want to add new line separation also for example when i type emails separated with comma or new line then those emails need to store in arrays.
My code here
<textarea rows="4" cols="50" ng-model="names" ng-list></textarea>
see this link
Please see demo here
http://plnkr.co/edit/ot3fkEPBBeK7OoeH6LBZ?p=preview
add ng-change to your textbox
<textarea rows="4" cols="50" ng-model="names" placeholder="Enter your emails" ng-change="split(names)"></textarea>
and in your controller add that
....
$scope.namesList = [];
$scope.split = function() {
var names = $scope.names.replace(/(\r\n|\n|\r)/gm,",").split(',')
$scope.namesList = names
}
...
You could probably do a replace then split something like:
var names = $scope.names.replace('\n', ',').split(',')
I have an input field, where I want to apply the variant of ngChange.
The input field is sort of binding with an ajax call, when user changes the input, the server side will process the data, however, I don't wanna make the call too often.
Say the user wanna input a really string, I want the call be made only after user finishes the word he is about to type.
Nevertheless, I don't wanna use event such as blur. What would be a better way to implement this, rather than setTimeout?
Use ng-model-options in Angular > 1.3
<input type="text"
ng-model="vm.searchTerm"
ng-change="vm.search(vm.searchTerm)"
ng-model-options="{debounce: 750}" />
Without ng-model-options -- In markup:
<input ng-change="inputChanged()">
In your backing controller/scope
var inputChangedPromise;
$scope.inputChanged = function(){
if(inputChangedPromise){
$timeout.cancel(inputChangedPromise);
}
inputChangedPromise = $timeout(taskToDo,1000);
}
Then your taskToDo will only run after 1000ms of no changes.
As of Angular 1.3, you could use Angular ng-model-options directive
<input ng-change="inputChanged()" ng-model-options="{debounce:1000}">
Source: https://stackoverflow.com/a/26356084/1397994
Write your own directive- this will only run the commands on myText based on the conditions you set
<input my-change-directive type="text ng-model="myText" />
.directive('myChangeDirective',function() {
return {
require : 'ngModel',
link : function($scope,$element,$attrs) {
var stringTest = function(_string) {
//test string here, return true
//if you want to process it
}
$element.bind('change',function(e) {
if(stringTest($attrs.ngModel) === true) {
//make ajax call here
//run $scope.$apply() in ajax callback if scope is changed
}
});
}
}
})