Modal dialogs and popups provider for Angular.js applications.
ngDialog is small (~2Kb), has minimalistic API, highly customizable through themes and has only Angular.js as dependency.
You can download all necessary ngDialog files manually or install it with bower:
bower install ngDialogYou need only to include ngDialog.js and ngDialog.css (as minimal setup) to your project and then you can start using ngDialog provider in your directives, controllers and services. For example in controllers:
var app = angular.module('exampleApp', ['ngDialog']);
app.controller('MainCtrl', function ($scope, ngDialog) {
$scope.clickToOpen = function () {
ngDialog.open({ template: 'popupTmpl.html' });
};
});ngDialog service provides easy to use and minimalistic API, but in the same time it's powerful enough. Here is the list of accessible methods that you can use:
===
Method allows to open dialog window, creates new dialog instance on each call. It accepts options object as the only argument.
Dialog template can be loaded through path to external html template or <script> tag with text/ng-template:
<script type="text/ng-template" id="templateId">
<h1>Template heading</h1>
<p>Content goes here</p>
</script>ngDialog.open({ template: 'templateId' });Also it is possible to use simple string as template together with plain option.
If true allows to use plain string as template, default false:
ngDialog.open({
template: '<p>my template</p>',
plain: true
});Controller that will be used for dialog window if necessary. The controller can be specified either by referring it by name or directly inline.
ngDialog.open({
template: 'externalTemplate.html',
controller: 'SomeController'
});or
ngDialog.open({
template: 'externalTemplate.html',
controller: ['$scope', 'otherService', function($scope, otherService) {
// controller logic
}]
});Scope object that will be passed to dialog. If you use controller with separate $scope service this object will be passed to $scope.$parent param:
$scope.value = true;
ngDialog.open({
template: 'externalTemplate.html',
className: 'ngdialog-theme-plain',
scope: $scope
});<script type="text/ng-template" id="externalTemplate.html">
<p>External scope: <code>{{value}}</code></p>
</script>In addition .closeThisDialog(value) method gets injected to passed $scope. This allows you to close dialog straight from handler in a popup element, for example:
<div class="dialog-contents">
<input type="text"/>
<input type="button" value="OK" ng-click="checkInput() && closeThisDialog('Some value')"/>
</div>Any value passed to this function will be attached to the object which resolves on the close promise for this dialog. For dialogs opened with the openConfirm() method the value is used as the reject reason.
Any serializable data that you want to be stored in controller's dialog scope. ( $scope.ngDialogData).
This option allows you to control the dialog's look, you can use built-in themes or create your own styled modals.
This example enables one of the built-in ngDialog themes - ngdialog-theme-default (do not forget to include necessary css files):
ngDialog.open({
template: 'templateId',
className: 'ngdialog-theme-default'
});Check themes block to learn more.
If false it allows to hide overlay div behind the modals, default true.
If false it allows to hide close button on modals, default true.
It allows to close modals by clicking Esc button, default true.
This will close all open modals if there several of them open at the same time.
It allows to close modals by clicking on overlay background, default true. If Hammer.js is loaded, it will listen for tap instead of click.
Specify your element where to append dialog instance, accepts selector string (e.g. #yourId, .yourClass). If not specified appends dialog to body as default behavior.
Pass false to disable template caching. Useful for developing purposes, default is true.
Give a name for a dialog instance. It is useful for identifying specific dialog if there are multiple dialog boxes opened.
Provide either the name of a function or a function to be called before the dialog is closed. If the callback function specified in the option returns false then the dialog will not be closed. Alternatively, if the callback function returns a promise that gets resolved the dialog will be closed.
The preCloseCallback function receives as a parameter (value) which is the same value sent to .close(id, value).
The primary use case for this feature is a dialog which contains user actions (e.g. editing data) for which you want the ability to confirm whether to discard unsaved changes upon exiting the dialog (e.g. via the escape button).
This example uses an inline function with a window.confirm call in the preCloseCallback function:
ngDialog.open({
preCloseCallback: function(value) {
if(confirm('Are you sure you want to close without saving your changes?')) {
return true;
}
return false;
}
});In another example, a callback function with a nested confirm ngDialog is used:
ngDialog.open({
preCloseCallback: function(value) {
var nestedConfirmDialog = ngDialog.openConfirm({
template:'\
<p>Are you sure you want to close the parent dialog?</p>\
<div class="ngdialog-buttons">\
<button type="button" class="ngdialog-button ngdialog-button-secondary" ng-click="closeThisDialog(0)">No</button>\
<button type="button" class="ngdialog-button ngdialog-button-primary" ng-click="confirm(1)">Yes</button>\
</div>',
plain: true
});
// NOTE: return the promise from openConfirm
return nestedConfirmDialog;
}
});===
You're able to set default settings through ngDialogProvider:
var app = angular.module('myApp', ['ngDialog']);
app.config(['ngDialogProvider', function (ngDialogProvider) {
ngDialogProvider.setDefaults({
className: 'ngdialog-theme-default',
plain: true,
showClose: true,
closeByDocument: true,
closeByEscape: true
});
}]);The open() method returns an object with some useful properties.
This is the ID of the dialog which was just created. It is the ID on the dialog's DOM element.
This is a function which will close the dialog which was opened by the current call to open(). It takes an optional value to pass to the close promise.
A promise which will resolve when the dialog is closed. It is resolved with an object containing: id - the ID of the closed dialog, value - the value the dialog was closed with, $dialog - the dialog element which at this point has been removed from the DOM and remainingDialogs - the number of dialogs still open.
The value property will be a special string if the dialog is dismissed by one of the built in mechanisms: '$escape', '$closeButton' or '$document'.
This allows you do to something like this:
var dialog = ngDialog.open({
template: 'templateId'
});
dialog.closePromise.then(function (data) {
console.log(data.id + ' has been dismissed.');
});===
Opens a dialog that by default does not close when hitting escape or clicking outside the dialog window. The function returns a promise that is either resolved or rejected depending on the way the dialog was closed.
The options are the same as the regular .open() method with an extra function added to the scope:
In addition to the .closeThisDialog() method. The method .confirm() is also injected to passed $scope. Use this method to close the dialog and resolve the promise that was returned when opening the modal.
The function accepts a single optional parameter which is used as the value of the resolved promise.
<div class="dialog-contents">
Some message
<button ng-click="closeThisDialog()">Cancel</button>
<button ng-click="confirm()">Confirm</button>
</div>An Angular promise object that is resolved if the .confirm() function is used to close the dialog, otherwise the promise is rejected. The resolve value and the reject reason is defined by the value passed to the confirm() or closeThisDialog() call respectively.
===
Method accepts dialog's id as string argument to close specific dialog window, if id is not specified it will close all currently active modals (same behavior as .closeAll()). Takes an optional value to resolve the dialog promise with (or all dialog promises).
===
Method manages closing all active modals on the page. Takes an optional value to resolve all of the dialog promises with.
===
Adds additional listener on every $locationChangeSuccess event and gets update version of body into dialog. Maybe useful in some rare cases when you're dependant on DOM changes, defaults to false. Use it in module's config as provider instance:
var app = angular.module('exampleApp', ['ngDialog']);
app.config(function (ngDialogProvider) {
ngDialogProvider.setForceBodyReload(true);
});By default ngDialog module is served with ngDialog directive which can be used as attribute for buttons, links, etc. Almost all .open() options are available through tag attributes as well, the only difference is that ng-template id or path of template file is required.
Some imaginary button, for example, will look like:
<button type="button"
ng-dialog="templateId.html"
ng-dialog-class="ngdialog-theme-flat"
ng-dialog-controller="ModalCtrl"
ng-dialog-close-previous>
Open modal text
</button>Directive contains one more additional but very useful option, it's an attribute named ng-dialog-close-previous. It allows you to close previously opened dialogs automaticly.
Everytime when ngDialog is opened or closed we're broadcasting three events (dispatching events downwards to all child scopes):
-
ngDialog.opened -
ngDialog.closing -
ngDialog.closed
This allows you to register your own listeners, example:
$rootScope.$on('ngDialog.opened', function (e, $dialog) {
console.log('ngDialog opened: ' + $dialog.attr('id'));
});ngDialog.closing is different than ngDialog.closed in that it is fired immediately when the dialog begins closing, whereas ngDialog.closed is fired after all animations are complete. Both will be fired even when animation end support is not detected.
Currently ngDialog contains two default themes that show how easily you can create your own. Check example folder for demonstration purposes.
ngDialog is available for public on cdnjs. For example, please use following urls for version 0.3.0.
//cdnjs.cloudflare.com/ajax/libs/ng-dialog/0.3.0/ng-dialog.min.css
//cdnjs.cloudflare.com/ajax/libs/ng-dialog/0.3.0/ng-dialog-theme-plain.min.css
//cdnjs.cloudflare.com/ajax/libs/ng-dialog/0.3.0/ng-dialog.min.jsngDialog default styles are heavily inspired by awesome Hubspot/Vex jQuery modals.
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