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152 lines
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5.3 KiB
Markdown
Executable file
152 lines
No EOL
5.3 KiB
Markdown
Executable file
[donation_link]: https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=3PMY37SL9L888&lc=US&item_name=JavaScript%20file%20uploader¤cy_code=USD&bn=PP%2dDonationsBF%3abtn_donate_SM%2egif%3aNonHosted
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This plugin uses XHR for uploading multiple files with progress-bar in FF3.6+, Safari4+,
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Chrome and falls back to hidden iframe based upload in other browsers,
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providing good user experience everywhere.
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### <a href="http://valums.com/files/2010/file-uploader/demo.htm">Demo</a> [Donate][donation_link] ###
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### Features ###
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* multiple file select, progress-bar in FF, Chrome, Safari
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* drag-and-drop file select in FF, Chrome
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* uploads are cancellable
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* no external dependencies
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* doesn't use Flash
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* fully working with https
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* keyboard support in FF, Chrome, Safari
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* tested in IE7,8; Firefox 3,3.6,4; Safari4,5; Chrome; Opera10.60;
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### License ###
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This plugin is open sourced under <a href="http://www.gnu.org/licenses/gpl-2.0.html">GNU GPL 2</a> or later.
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If this license doesn't suit you mail me at andrew (at) valums.com.
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Please [donate][donation_link] if you are willing to support the further development of file upload plugin.
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### Known Issues ###
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Plugin breaks back button functionality in Opera.
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### Getting started ###
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The fileuploader.js contains two classes that are meant to be used directly.
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If you need a complete upload widget (from demo) to quickly drop
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into your current design, use qq.FileUploader.
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If you want to customize uploader, by using a different looking file list
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or change the behaviour or functionality use qq.FileUploaderBasic.
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The difference between them is that qq.FileUploader provides a list of files,
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drag-and-drop, but qq.FileUploaderBasic only creates button and handles validation.
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Basic uploader is easier extendable, and doesn't limit possible customization.
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qq.FileUploader extends qq.FileUploaderBasic, so that all the options present
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in the basic uploader also exist in the full widget.
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### qq.FileUploader - Setting up full upload widget ###
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Include fileuploader.js and fileuploader.css into your page.
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Create container element.
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<div id="file-uploader">
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<noscript>
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<p>Please enable JavaScript to use file uploader.</p>
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<!-- or put a simple form for upload here -->
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</noscript>
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</div>
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Initialize uploader when the DOM is ready. Change the action option.
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For example ../server/php.php for the default folder structure.
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In the server folder you will find examples for different platforms.
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If you can't find the one you need, check the readme.txt in the same folder.
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var uploader = new qq.FileUploader({
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// pass the dom node (ex. $(selector)[0] for jQuery users)
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element: document.getElementById('file-uploader'),
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// path to server-side upload script
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action: '/server/upload'
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});
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### Options of both classes ###
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// url of the server-side upload script, should be on the same domain
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action: '/server/upload',
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// additional data to send, name-value pairs
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params: {},
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// validation
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// ex. ['jpg', 'jpeg', 'png', 'gif'] or []
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allowedExtensions: [],
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// each file size limit in bytes
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// this option isn't supported in all browsers
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sizeLimit: 0, // max size
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minSizeLimit: 0, // min size
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// set to true to output server response to console
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debug: false,
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// events
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// you can return false to abort submit
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onSubmit: function(id, fileName){},
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onProgress: function(id, fileName, loaded, total){},
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onComplete: function(id, fileName, responseJSON){},
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onCancel: function(id, fileName){},
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messages: {
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// error messages, see qq.FileUploaderBasic for content
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},
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showMessage: function(message){ alert(message); }
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Instance methods
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* setParams(newParams)
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#### Changing alert/messages to something more user friendly ####
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If you limited file types and max size, you will probably want to change the default alert and
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messages as you see fit, this is possible using showMessage callback and messages option.
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#### Sending additional params ####
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To add a parameter that will be passed as a query string with each upload use params option.
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var uploader = new qq.FileUploader({
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element: document.getElementById('file-uploader'),
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action: '/server-side.upload',
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// additional data to send, name-value pairs
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params: {
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param1: 'value1',
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param2: 'value2'
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}
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});
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To change params based on the state of your app, use
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uploader.setParams({
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anotherParam: 'value'
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});
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It can be nicely used in onSubmit callback.
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#### Troubleshooting ####
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If you can't get the uploader to work, please try the following steps
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before asking for help.
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If the upload doesn't complete, saying failed.
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* Set the debug option of the FileUploader to true.
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* Open the page where you have a FileUploader.
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* Open developer console in your browser.
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* Try to upload the file. You should see a server serponse.
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It should be {success:true} for completed requests. If it's not,
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then you have a problem with your server-side script.
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#### Contributors ####
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Thanks to everybody who contributed, either by sending bug reports or donating. And special thanks to:
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John Yeary
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Sidney Maestre
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Patrick Pfeiffer
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Sean Sandy (SeanJA)
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Andy Newby
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Ivan Valles |