aurelia-dialog

This library is part of the Aurelia platform and contains a dialog plugin.

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Dependencies

This library has NO external dependencies.

Used By

This library is a plugin and is not used by the core framework.

Platform Support

This library can be used in the browser as well as on the server.

Building The Code

To build the code, follow these steps.

Ensure that NodeJS is installed. This provides the platform on which the build tooling runs.
From the project folder, execute the following command:
```
npm install
```
Ensure that Gulp is installed. If you need to install it, use the following command:
```
npm install -g gulp
```
To build the code, you can now run:
```
gulp build
```
You will find the compiled code in the dist folder, available in three module formats: AMD, CommonJS and ES6.
See gulpfile.js for other tasks related to generating the docs and linting.

Running The Tests

To run the unit tests, first ensure that you have followed the steps above in order to install all dependencies and successfully build the library. Once you have done that, proceed with these additional steps:

Ensure that the Karma CLI is installed. If you need to install it, use the following command:
```
npm install -g karma-cli
```
Ensure that jspm is installed. If you need to install it, use the following commnand:
```
npm install -g jspm
```
You can now run jspm to install dependencies required for running the test suite:

jspm install

Download the SystemJS module loader:

jspm dl-loader

Ensure that you have Chrome installed. Karma runs the test suite in Chrome.
You can now run the tests with this command:
```
karma start
```

Running The Sample

To run the sample code using this plugin proceed with these additional steps:

Go to the sample directory and install dependencies using jspm:

cd sample
jspm install

Go back to the root of the project and use gulp to serve the sample project:

cd ..
gulp watch

How to install this plugin?

In your project install the plugin via jspm with following command

jspm install aurelia-dialog

Make sure you use manual bootstrapping. In order to do so open your index.html and locate the element with the attribute aurelia-app. Change it to look like this:

<body aurelia-app="main">
...

Create (if you haven't already) a file main.js in your src folder with following content:

  export function configure(aurelia) {
    aurelia.use
      .standardConfiguration()
      .developmentLogging()
      .plugin('aurelia-dialog');

    aurelia.start().then(a => a.setRoot());
  }

Using the plugin

There are a few ways you can take advantage of the Aurelia dialog.

You can use the dialog service to open a prompt -

import {DialogService} from 'aurelia-dialog';
import {Prompt} from './prompt';
export class Welcome {
  static inject = [DialogService];
  constructor(dialogService) {
    this.dialogService = dialogService;
  }
  submit(){
    this.dialogService.open({ viewModel: Prompt, model: 'Good or Bad?'}).then(response => {
      if (!response.wasCancelled) {
        console.log('good');
      } else {
        console.log('bad');
      }
      console.log(response.output);
    });
  }
}

This will open a prompt and return a promise that resolves when closed. If the user clicks out, clicks cancel, or clicks the 'x' in the top right it will still resolve the promise but will have a property on the response wasCancelled to allow the developer to handle cancelled dialogs.

There is also an output property that gets returned with the outcome of the user action if one was taken.

You can create your own view / view-model and use the dialog service to call it from your app's view-model -

import {EditPerson} from './edit-person';
import {DialogService} from 'aurelia-dialog';
export class Welcome {
  static inject = [DialogService];
  constructor(dialogService) {
    this.dialogService = dialogService;
  }
  person = { firstName: 'Wade', middleName: 'Owen', lastName: 'Watts' };
  submit(){
    this.dialogService.open({ viewModel: EditPerson, model: this.person}).then(response => {
      if (!response.wasCancelled) {
        console.log('good - ', response.output);
      } else {
        console.log('bad');
      }
      console.log(response.output);
    });
  }
}

This will open a dialog and control it the same way as the prompt. The important thing to keep in mind is you need to follow the same method of utilizing a DialogController in your EditPerson view-model as well as accepting the model in your activate method -

import {DialogController} from 'aurelia-dialog';

export class EditPerson {
  static inject = [DialogController];
  person = { firstName: '' };
  constructor(controller){
    this.controller = controller;
  }
  activate(person){
    this.person = person;
  }
}

and the corresponding view -

<template>
  <ai-dialog>
    <ai-dialog-body>
      <h2>Edit first name</h2>
      <input value.bind="person.firstName" />
    </ai-dialog-body>

    <ai-dialog-footer>
      <button click.trigger="controller.cancel()">Cancel</button>
      <button click.trigger="controller.ok(person)">Ok</button>
    </ai-dialog-footer>
  </ai-dialog>
</template>

attach-focus custom attribute

The modal exposes an attach-focus custom attribute that allows focusing in on an element in the modal when it is loaded. You can use this to focus a button, input, etc... Example usage -

<template>
  <ai-dialog>
    <ai-dialog-body>
      <h2>Edit first name</h2>
      <input attach-focus="true" value.bind="person.firstName" />
    </ai-dialog-body>
  </ai-dialog>
</template>

You can also bind the value of the attach-focus attribute if you want to alter which element will be focused based on a view model property.

<input attach-focus.bind="isNewPerson" value.bind="person.email" />
<input attach-focus.bind="!isNewPerson" value.bind="person.firstName" />

###Global Settings You can specify global settings as well for all dialogs to use when installing the plugin via the configure method.

export function configure(aurelia) {
  aurelia.use
    .standardConfiguration()
    .developmentLogging()
    .plugin('aurelia-dialog', (settings) => {
      settings.lock = true;
      settings.centerHorizontalOnly = false;
      settings.startingZIndex = 5;
    });

  aurelia.start().then(a => a.setRoot('src/app'));
}

###Settings The settings available for the dialog are set on the dialog controller on a per-dialog basis.

lock makes the dialog modal, and removes the close button from the top-right hand corner. (defaults to true)
centerHorizontalOnly means that the dialog will be centered horizontally, and the vertical alignment is left up to you. (defaults to false)
position a callback that is called right before showing the modal with the signature: (modalContainer: Element, modalOverlay: Element) => void. This allows you to setup special classes, play with the position, etc... If specified, centerHorizontalOnly is ignored. (optional)

export class Prompt {
  static inject = [DialogController];

  constructor(controller){
    this.controller = controller;
    this.answer = null;

    controller.settings.lock = false;
    controller.settings.centerHorizontalOnly = true;
  }
}

sethlivingston / dialog Goto Github PK

dialog's Introduction

aurelia-dialog

Dependencies

Used By

Platform Support

Building The Code

Running The Tests

Running The Sample

How to install this plugin?

Using the plugin

attach-focus custom attribute

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