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231 lines
6.0 KiB
Markdown
231 lines
6.0 KiB
Markdown
# ngUpload
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An AngularJS file upload directive. Demo [http://ngupload.herokuapp.com](http://ngupload.herokuapp.com)
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## 0.5.8 - for updates see CHANGELOG.md
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``` html
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<form ng-upload="uploadComplete(content)" action="/upload-full-form">
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<p>
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<label>Fullname:</label>
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<input type="text" name="fullname" ng-model="fullname" />
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</p>
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<p>
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<label>Gender:</label>
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<input type="text" name="gender" ng-model="gender" />
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</p>
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<p>
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<label>Favorite Color:</label>
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<input type="text" name="color" ng-model="color"/>
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</p>
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<p>
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<label>Your picture (file will not be saved on the server):</label>
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<input type="file" name="file" />
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</p>
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<p>
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<input type="submit" class="btn" value="Submit" ng-disabled="$isUploading" />
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</p>
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</form>
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<div class="alert alert-info">Server Response: {{response | json}}</div>
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<div>
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Fullname: <b>{{response.fullname}}</b><br />
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Gender: <b>{{response.gender}}</b><br />
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Favourite Color: <span ng-style="response.style">{{response.color}}</span><br />
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Picture: {{response.pictureUrl}}
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</div>
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```
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... and the context ngController's source is:
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``` js
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app.controller('Example5Ctrl', function ($scope) {
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$scope.uploadComplete = function (content) {
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$scope.response = JSON.parse(content); // Presumed content is a json string!
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$scope.response.style = {
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color: $scope.response.color,
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"font-weight": "bold"
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};
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// Clear form (reason for using the 'ng-model' directive on the input elements)
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$scope.fullname = '';
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$scope.gender = '';
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$scope.color = '';
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// Look for way to clear the input[type=file] element
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};
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});
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```
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## Requirements
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* AngularJS (http://angularjs.org)
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## Install with Bower
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```
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bower install ngUpload
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```
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## Usage
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Add to your html file
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```
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<script src="/js/ng-upload.js"></script>
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```
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Create a basic form with a file input element
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``` html
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<div ng-app="app">
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<div ng-controller="mainCtrl">
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<form action="/uploads" ng-upload="complete(content)">
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<input type="file" name="avatar"></input>
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<input type="submit" value="Upload" ng-disabled="$isUploading"></input>
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</form>
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</div>
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</div>
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```
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### Some rule of thumb
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* Any html element that supports the click event can be used to submit the form marked with the __ng-upload__ directive, as long as such elements are marked with the __'upload-submit'__ directive. If you use an input element with a type of submit then you do not have to mark it with upload-submit.
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* Make sure you import the __'ngUpload'__ module in your angularJS application.
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Applying this rules, the sample above can be re-written as
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``` html
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<div ng-app="app">
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<div ng-controller="mainCtrl">
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<form action="/uploads" ng-upload="complete(content)">
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<input type="file" name="avatar"></input>
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<div style='cursor: pointer' upload-submit>Upload with Div</div> •
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</form>
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</div>
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</div>
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```
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or
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``` html
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<div ng-app="app">
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<div ng-controller="mainCtrl">
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<form action="/uploads" ng-upload="complete(contents)">
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<input type="file" name="avatar"></input>
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<a href='javascript:void(0)'
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class="upload-submit" >
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Upload with Anchor</a>
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</form>
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</div>
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</div>
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```
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where the form can be submit with a Div or Anchor html element.
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The AngularJS controller for the above samples is given as:
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``` js
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angular.module('app', ['ngUpload'])
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.controller('mainCtrl', function($scope) {
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$scope.complete = function(content) {
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console.log(content); // process content
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}
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});
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```
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* Working in IE
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In order, for ngUpload to respond correctly for IE, your server needs to return the response back as `text/html` not `application/json`
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## Directive Options
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### ngUpload
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* `upload-options-enable-rails-csrf`: Turns on support for [Rails' CSRF](http://guides.rubyonrails.org/security.html#cross-site-request-forgery-csrf)
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by adding a hidden form field with the csrf token.
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* `upload-options-before-submit`: function that gets triggered before the upload starts and if the function returns false it will cancel the submit.
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### uploadSubmit
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* `upload-options-convert-hidden`: Set the value of hidden inputs to their `ng-model` attribute when the form is submitted. One situation in which this is useful is when
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using select elements whose options are generated with ngOptions, for
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example:
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```
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select[name='category_id' ng-model='category' ng-options='c.id as c.name for c in categories']
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```
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and where categories is
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```
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[{id: 12, name: 'fred'}, {id: 65, name: 'wilma'}]
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```
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Because Angular will generate options whose HTML element value is indexed on 0, the value submitted will be the value of the
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option and not the desired ng-model value which is category.id. Adding
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a hidden element whose ng-model matches the ng-model of the select
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element, combined with
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upload-options-convert-hidden='true' will workaround this issue.
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## Example
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Example of forms that posts to NodeJS server are now included under the [/examples](https://github.com/twilson63/ngUpload/tree/master/examples) folder.
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## Test
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Needs Chrome Installed.
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``` sh
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npm install
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npm install grunt-cli -g
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npm test
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```
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## jshint
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``` sh
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npm install
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npm install grunt-cli -g
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grunt jshint
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```
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## Minify
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``` sh
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npm install
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npm install grunt-cli -g
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grunt uglify
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```
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## License
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MIT
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## How to contribute
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pull requests welcome.
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please use the following style guidelines
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(http://nodeguide.com/style.html)
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## Contributors
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* ADEBISI Foluso A. (https://github.com/adebisi-fa)
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* Hassan Alqaraguli (https://github.com/HassanAlqaraguli)
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* Jørgen Borgesen (https://github.com/jorgenfb)
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* cristianocd (https://github.com/cristianocd)
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* Evgeniy Zatsepin (https://github.com/dizzy7)
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* Chris Tesene (https://github.com/ctesene)
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* denyo (https://github.com/denyo)
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* mguymon (https://github.com/mguymon)
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* marek-stoj (https://github.com/marek-stoj)
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* Robert Coker (https://github.com/intelekshual)
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* Michael Guymon (https://github.com/mguymon)
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## Thanks
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* AngularJS Team
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* NodeJS Team
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* JavaScript Team
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