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first cut at ajax photo upload

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This commit is contained in:
Mike Macgirvin 2010-07-22 20:22:03 -07:00
parent 11f2eaa16d
commit 88bfe21bea
9 changed files with 744 additions and 62 deletions
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4
.gitignore vendored
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.htconfig.php .htconfig.php
\#* \#*
wip wip/*
include/jquery-1.4.2.min.js include/jquery-1.4.2.min.js
*.log
*.out

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/**
* AJAX Upload ( http://valums.com/ajax-upload/ )
* Copyright (c) Andris Valums
* Licensed under the MIT license ( http://valums.com/mit-license/ )
* Thanks to Gary Haran, David Mark, Corey Burns and others for contributions.
*/
(function () {
/* global window */
/* jslint browser: true, devel: true, undef: true, nomen: true, bitwise: true, regexp: true, newcap: true, immed: true */
/**
* Wrapper for FireBug's console.log
*/
function log(){
if (typeof(console) != 'undefined' && typeof(console.log) == 'function'){
Array.prototype.unshift.call(arguments, '[Ajax Upload]');
console.log( Array.prototype.join.call(arguments, ' '));
}
}
/**
* Attaches event to a dom element.
* @param {Element} el
* @param type event name
* @param fn callback This refers to the passed element
*/
function addEvent(el, type, fn){
if (el.addEventListener) {
el.addEventListener(type, fn, false);
} else if (el.attachEvent) {
el.attachEvent('on' + type, function(){
fn.call(el);
});
} else {
throw new Error('not supported or DOM not loaded');
}
}
/**
* Attaches resize event to a window, limiting
* number of event fired. Fires only when encounteres
* delay of 100 after series of events.
*
* Some browsers fire event multiple times when resizing
* http://www.quirksmode.org/dom/events/resize.html
*
* @param fn callback This refers to the passed element
*/
function addResizeEvent(fn){
var timeout;
addEvent(window, 'resize', function(){
if (timeout){
clearTimeout(timeout);
}
timeout = setTimeout(fn, 100);
});
}
// Needs more testing, will be rewriten for next version
// getOffset function copied from jQuery lib (http://jquery.com/)
if (document.documentElement.getBoundingClientRect){
// Get Offset using getBoundingClientRect
// http://ejohn.org/blog/getboundingclientrect-is-awesome/
var getOffset = function(el){
var box = el.getBoundingClientRect();
var doc = el.ownerDocument;
var body = doc.body;
var docElem = doc.documentElement; // for ie
var clientTop = docElem.clientTop || body.clientTop || 0;
var clientLeft = docElem.clientLeft || body.clientLeft || 0;
// In Internet Explorer 7 getBoundingClientRect property is treated as physical,
// while others are logical. Make all logical, like in IE8.
var zoom = 1;
if (body.getBoundingClientRect) {
var bound = body.getBoundingClientRect();
zoom = (bound.right - bound.left) / body.clientWidth;
}
if (zoom > 1) {
clientTop = 0;
clientLeft = 0;
}
var top = box.top / zoom + (window.pageYOffset || docElem && docElem.scrollTop / zoom || body.scrollTop / zoom) - clientTop, left = box.left / zoom + (window.pageXOffset || docElem && docElem.scrollLeft / zoom || body.scrollLeft / zoom) - clientLeft;
return {
top: top,
left: left
};
};
} else {
// Get offset adding all offsets
var getOffset = function(el){
var top = 0, left = 0;
do {
top += el.offsetTop || 0;
left += el.offsetLeft || 0;
el = el.offsetParent;
} while (el);
return {
left: left,
top: top
};
};
}
/**
* Returns left, top, right and bottom properties describing the border-box,
* in pixels, with the top-left relative to the body
* @param {Element} el
* @return {Object} Contains left, top, right,bottom
*/
function getBox(el){
var left, right, top, bottom;
var offset = getOffset(el);
left = offset.left;
top = offset.top;
right = left + el.offsetWidth;
bottom = top + el.offsetHeight;
return {
left: left,
right: right,
top: top,
bottom: bottom
};
}
/**
* Helper that takes object literal
* and add all properties to element.style
* @param {Element} el
* @param {Object} styles
*/
function addStyles(el, styles){
for (var name in styles) {
if (styles.hasOwnProperty(name)) {
el.style[name] = styles[name];
}
}
}
/**
* Function places an absolutely positioned
* element on top of the specified element
* copying position and dimentions.
* @param {Element} from
* @param {Element} to
*/
function copyLayout(from, to){
var box = getBox(from);
addStyles(to, {
position: 'absolute',
left : box.left + 'px',
top : box.top + 'px',
width : from.offsetWidth + 'px',
height : from.offsetHeight + 'px'
});
to.title = from.title;
}
/**
* Creates and returns element from html chunk
* Uses innerHTML to create an element
*/
var toElement = (function(){
var div = document.createElement('div');
return function(html){
div.innerHTML = html;
var el = div.firstChild;
return div.removeChild(el);
};
})();
/**
* Function generates unique id
* @return unique id
*/
var getUID = (function(){
var id = 0;
return function(){
return 'ValumsAjaxUpload' + id++;
};
})();
/**
* Get file name from path
* @param {String} file path to file
* @return filename
*/
function fileFromPath(file){
return file.replace(/.*(\/|\\)/, "");
}
/**
* Get file extension lowercase
* @param {String} file name
* @return file extenstion
*/
function getExt(file){
return (-1 !== file.indexOf('.')) ? file.replace(/.*[.]/, '') : '';
}
function hasClass(el, name){
var re = new RegExp('\\b' + name + '\\b');
return re.test(el.className);
}
function addClass(el, name){
if ( ! hasClass(el, name)){
el.className += ' ' + name;
}
}
function removeClass(el, name){
var re = new RegExp('\\b' + name + '\\b');
el.className = el.className.replace(re, '');
}
function removeNode(el){
el.parentNode.removeChild(el);
}
/**
* Easy styling and uploading
* @constructor
* @param button An element you want convert to
* upload button. Tested dimentions up to 500x500px
* @param {Object} options See defaults below.
*/
window.AjaxUpload = function(button, options){
this._settings = {
// Location of the server-side upload script
action: 'upload.php',
// File upload name
name: 'userfile',
// Additional data to send
data: {},
// Submit file as soon as it's selected
autoSubmit: true,
// The type of data that you're expecting back from the server.
// html and xml are detected automatically.
// Only useful when you are using json data as a response.
// Set to "json" in that case.
responseType: false,
// Class applied to button when mouse is hovered
hoverClass: 'hover',
// Class applied to button when button is focused
focusClass: 'focus',
// Class applied to button when AU is disabled
disabledClass: 'disabled',
// When user selects a file, useful with autoSubmit disabled
// You can return false to cancel upload
onChange: function(file, extension){
},
// Callback to fire before file is uploaded
// You can return false to cancel upload
onSubmit: function(file, extension){
},
// Fired when file upload is completed
// WARNING! DO NOT USE "FALSE" STRING AS A RESPONSE!
onComplete: function(file, response){
}
};
// Merge the users options with our defaults
for (var i in options) {
if (options.hasOwnProperty(i)){
this._settings[i] = options[i];
}
}
// button isn't necessary a dom element
if (button.jquery){
// jQuery object was passed
button = button[0];
} else if (typeof button == "string") {
if (/^#.*/.test(button)){
// If jQuery user passes #elementId don't break it
button = button.slice(1);
}
button = document.getElementById(button);
}
if ( ! button || button.nodeType !== 1){
throw new Error("Please make sure that you're passing a valid element");
}
if ( button.nodeName.toUpperCase() == 'A'){
// disable link
addEvent(button, 'click', function(e){
if (e && e.preventDefault){
e.preventDefault();
} else if (window.event){
window.event.returnValue = false;
}
});
}
// DOM element
this._button = button;
// DOM element
this._input = null;
// If disabled clicking on button won't do anything
this._disabled = false;
// if the button was disabled before refresh if will remain
// disabled in FireFox, let's fix it
this.enable();
this._rerouteClicks();
};
// assigning methods to our class
AjaxUpload.prototype = {
setData: function(data){
this._settings.data = data;
},
disable: function(){
addClass(this._button, this._settings.disabledClass);
this._disabled = true;
var nodeName = this._button.nodeName.toUpperCase();
if (nodeName == 'INPUT' || nodeName == 'BUTTON'){
this._button.setAttribute('disabled', 'disabled');
}
// hide input
if (this._input){
// We use visibility instead of display to fix problem with Safari 4
// The problem is that the value of input doesn't change if it
// has display none when user selects a file
this._input.parentNode.style.visibility = 'hidden';
}
},
enable: function(){
removeClass(this._button, this._settings.disabledClass);
this._button.removeAttribute('disabled');
this._disabled = false;
},
/**
* Creates invisible file input
* that will hover above the button
* <div><input type='file' /></div>
*/
_createInput: function(){
var self = this;
var input = document.createElement("input");
input.setAttribute('type', 'file');
input.setAttribute('name', this._settings.name);
addStyles(input, {
'position' : 'absolute',
// in Opera only 'browse' button
// is clickable and it is located at
// the right side of the input
'right' : 0,
'margin' : 0,
'padding' : 0,
'fontSize' : '480px',
// in Firefox if font-family is set to
// 'inherit' the input doesn't work
'fontFamily' : 'sans-serif',
'cursor' : 'pointer'
});
var div = document.createElement("div");
addStyles(div, {
'display' : 'block',
'position' : 'absolute',
'overflow' : 'hidden',
'margin' : 0,
'padding' : 0,
'opacity' : 0,
// Make sure browse button is in the right side
// in Internet Explorer
'direction' : 'ltr',
//Max zIndex supported by Opera 9.0-9.2
'zIndex': 2147483583
});
// Make sure that element opacity exists.
// Otherwise use IE filter
if ( div.style.opacity !== "0") {
if (typeof(div.filters) == 'undefined'){
throw new Error('Opacity not supported by the browser');
}
div.style.filter = "alpha(opacity=0)";
}
addEvent(input, 'change', function(){
if ( ! input || input.value === ''){
return;
}
// Get filename from input, required
// as some browsers have path instead of it
var file = fileFromPath(input.value);
if (false === self._settings.onChange.call(self, file, getExt(file))){
self._clearInput();
return;
}
// Submit form when value is changed
if (self._settings.autoSubmit) {
self.submit();
}
});
addEvent(input, 'mouseover', function(){
addClass(self._button, self._settings.hoverClass);
});
addEvent(input, 'mouseout', function(){
removeClass(self._button, self._settings.hoverClass);
removeClass(self._button, self._settings.focusClass);
// We use visibility instead of display to fix problem with Safari 4
// The problem is that the value of input doesn't change if it
// has display none when user selects a file
input.parentNode.style.visibility = 'hidden';
});
addEvent(input, 'focus', function(){
addClass(self._button, self._settings.focusClass);
});
addEvent(input, 'blur', function(){
removeClass(self._button, self._settings.focusClass);
});
div.appendChild(input);
document.body.appendChild(div);
this._input = input;
},
_clearInput : function(){
if (!this._input){
return;
}
// this._input.value = ''; Doesn't work in IE6
removeNode(this._input.parentNode);
this._input = null;
this._createInput();
removeClass(this._button, this._settings.hoverClass);
removeClass(this._button, this._settings.focusClass);
},
/**
* Function makes sure that when user clicks upload button,
* the this._input is clicked instead
*/
_rerouteClicks: function(){
var self = this;
// IE will later display 'access denied' error
// if you use using self._input.click()
// other browsers just ignore click()
addEvent(self._button, 'mouseover', function(){
if (self._disabled){
return;
}
if ( ! self._input){
self._createInput();
}
var div = self._input.parentNode;
copyLayout(self._button, div);
div.style.visibility = 'visible';
});
// commented because we now hide input on mouseleave
/**
* When the window is resized the elements
* can be misaligned if button position depends
* on window size
*/
//addResizeEvent(function(){
// if (self._input){
// copyLayout(self._button, self._input.parentNode);
// }
//});
},
/**
* Creates iframe with unique name
* @return {Element} iframe
*/
_createIframe: function(){
// We can't use getTime, because it sometimes return
// same value in safari :(
var id = getUID();
// We can't use following code as the name attribute
// won't be properly registered in IE6, and new window
// on form submit will open
// var iframe = document.createElement('iframe');
// iframe.setAttribute('name', id);
var iframe = toElement('<iframe src="javascript:false;" name="' + id + '" />');
// src="javascript:false; was added
// because it possibly removes ie6 prompt
// "This page contains both secure and nonsecure items"
// Anyway, it doesn't do any harm.
iframe.setAttribute('id', id);
iframe.style.display = 'none';
document.body.appendChild(iframe);
return iframe;
},
/**
* Creates form, that will be submitted to iframe
* @param {Element} iframe Where to submit
* @return {Element} form
*/
_createForm: function(iframe){
var settings = this._settings;
// We can't use the following code in IE6
// var form = document.createElement('form');
// form.setAttribute('method', 'post');
// form.setAttribute('enctype', 'multipart/form-data');
// Because in this case file won't be attached to request
var form = toElement('<form method="post" enctype="multipart/form-data"></form>');
form.setAttribute('action', settings.action);
form.setAttribute('target', iframe.name);
form.style.display = 'none';
document.body.appendChild(form);
// Create hidden input element for each data key
for (var prop in settings.data) {
if (settings.data.hasOwnProperty(prop)){
var el = document.createElement("input");
el.setAttribute('type', 'hidden');
el.setAttribute('name', prop);
el.setAttribute('value', settings.data[prop]);
form.appendChild(el);
}
}
return form;
},
/**
* Gets response from iframe and fires onComplete event when ready
* @param iframe
* @param file Filename to use in onComplete callback
*/
_getResponse : function(iframe, file){
// getting response
var toDeleteFlag = false, self = this, settings = this._settings;
addEvent(iframe, 'load', function(){
if (// For Safari
iframe.src == "javascript:'%3Chtml%3E%3C/html%3E';" ||
// For FF, IE
iframe.src == "javascript:'<html></html>';"){
// First time around, do not delete.
// We reload to blank page, so that reloading main page
// does not re-submit the post.
if (toDeleteFlag) {
// Fix busy state in FF3
setTimeout(function(){
removeNode(iframe);
}, 0);
}
return;
}
var doc = iframe.contentDocument ? iframe.contentDocument : window.frames[iframe.id].document;
// fixing Opera 9.26,10.00
if (doc.readyState && doc.readyState != 'complete') {
// Opera fires load event multiple times
// Even when the DOM is not ready yet
// this fix should not affect other browsers
return;
}
// fixing Opera 9.64
if (doc.body && doc.body.innerHTML == "false") {
// In Opera 9.64 event was fired second time
// when body.innerHTML changed from false
// to server response approx. after 1 sec
return;
}
var response;
if (doc.XMLDocument) {
// response is a xml document Internet Explorer property
response = doc.XMLDocument;
} else if (doc.body){
// response is html document or plain text
response = doc.body.innerHTML;
if (settings.responseType && settings.responseType.toLowerCase() == 'json') {
// If the document was sent as 'application/javascript' or
// 'text/javascript', then the browser wraps the text in a <pre>
// tag and performs html encoding on the contents. In this case,
// we need to pull the original text content from the text node's
// nodeValue property to retrieve the unmangled content.
// Note that IE6 only understands text/html
if (doc.body.firstChild && doc.body.firstChild.nodeName.toUpperCase() == 'PRE') {
doc.normalize();
response = doc.body.firstChild.firstChild.nodeValue;
}
if (response) {
response = eval("(" + response + ")");
} else {
response = {};
}
}
} else {
// response is a xml document
response = doc;
}
settings.onComplete.call(self, file, response);
// Reload blank page, so that reloading main page
// does not re-submit the post. Also, remember to
// delete the frame
toDeleteFlag = true;
// Fix IE mixed content issue
iframe.src = "javascript:'<html></html>';";
});
},
/**
* Upload file contained in this._input
*/
submit: function(){
var self = this, settings = this._settings;
if ( ! this._input || this._input.value === ''){
return;
}
var file = fileFromPath(this._input.value);
// user returned false to cancel upload
if (false === settings.onSubmit.call(this, file, getExt(file))){
this._clearInput();
return;
}
// sending request
var iframe = this._createIframe();
var form = this._createForm(iframe);
// assuming following structure
// div -> input type='file'
removeNode(this._input.parentNode);
removeClass(self._button, self._settings.hoverClass);
removeClass(self._button, self._settings.focusClass);
form.appendChild(this._input);
form.submit();
// request set, clean up
removeNode(form); form = null;
removeNode(this._input); this._input = null;
// Get response from iframe and fire onComplete event when ready
this._getResponse(iframe, file);
// get ready for next request
this._createInput();
}
};
})();

16
mod/wall_upload.php Normal file
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@ -0,0 +1,16 @@
<?php
function wall_upload_post(&$a) {
$src = $_FILES['userfile']['tmp_name'];
unlink($src);
echo "<img src=\"".$a->get_baseurl(). "/images/default-profile.jpg\" alt=\"default\" />";
killme();
}

19
view/jot-header.tpl
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@ -2,7 +2,6 @@
src="$baseurl/tinymce/jscripts/tiny_mce/tiny_mce_src.js"></script> src="$baseurl/tinymce/jscripts/tiny_mce/tiny_mce_src.js"></script>
<script language="javascript" type="text/javascript"> <script language="javascript" type="text/javascript">
tinyMCE.init({ tinyMCE.init({
theme : "advanced", theme : "advanced",
mode : "specific_textareas", mode : "specific_textareas",
@ -19,10 +18,24 @@ tinyMCE.init({
add_unload_trigger : false, add_unload_trigger : false,
remove_linebreaks : false, remove_linebreaks : false,
content_css: "$baseurl/view/custom_tinymce.css" content_css: "$baseurl/view/custom_tinymce.css"
}); });
</script>
<script type="text/javascript" src="include/ajaxupload.js" ></script>
<script>
$(document).ready(function() {
var uploader = new window.AjaxUpload(
'wall-image-upload',
{ action: 'wall_upload',
name: 'userfile',
onComplete: function(file,response) {
tinyMCE.execCommand('mceInsertRawHTML',false,response);
}
}
);
});
</script> </script>

7
view/jot.tpl
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@ -13,6 +13,13 @@ What's on your mind?
</div> </div>
<div id="profile-jot-submit-wrapper" > <div id="profile-jot-submit-wrapper" >
<input type="submit" id="profile-jot-submit" name="submit" value="Submit" /> <input type="submit" id="profile-jot-submit" name="submit" value="Submit" />
<div id="profile-upload-wrapper" style="display: $visitor;" >
<div id="wall-image-upload-div" ><img id="wall-image-upload" src="images/camera-icon.gif" alt="Upload Photo" title="Upload Photo" /></div>
</div>
<div id="profile-link-wrapper" style="display: $visitor;" >
<img id="profile-link" src="images/link-icon.gif" alt="Insert web link" title="Insert web link" />
</div>
<div id="profile-jot-perms" class="profile-jot-perms" style="display: $visitor;" ><img src="images/$lockstate_icon.gif" alt="Permission Settings" title="Permission Settings" onClick="openClose('profile-jot-acl-wrapper');" /></div> <div id="profile-jot-perms" class="profile-jot-perms" style="display: $visitor;" ><img src="images/$lockstate_icon.gif" alt="Permission Settings" title="Permission Settings" onClick="openClose('profile-jot-acl-wrapper');" /></div>
<div id="profile-jot-perms-end"></div> <div id="profile-jot-perms-end"></div>
<div id="profile-jot-acl-wrapper" style="display: none;" >$acl</div> <div id="profile-jot-acl-wrapper" style="display: none;" >$acl</div>

11
view/style.css
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@ -512,10 +512,19 @@ input#dfrn-url {
#profile-jot-submit { #profile-jot-submit {
float: left; float: left;
} }
#profile-upload-wrapper {
float: left;
margin-left: 50px;
}
#profile-link-wrapper {
float: left;
margin-left: 20px;
}
#profile-jot-perms { #profile-jot-perms {
float: left; float: left;
margin-left: 350px; margin-left: 280px;
} }
#profile-jot-perms-end { #profile-jot-perms-end {

56
wip/todo
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@ -1,56 +0,0 @@
finish one world photo resolution (update timestamps in atom feeds)
>>>>>>>>contact editor
>>>>>>>> block photo
>>>>>>>>profile "you name it" field
group - delete (keep id in acl lists to prvent them from breaking security)
pager - photos
photos/albums/ java uploader
item delete
>>>>>>>>item edit
dfrn_poll - import items
>>>>>>>>local/remote indicator
>>>>>>>>side/text
notififier abstraction
emails and offline notifications
registration workflow
admin approved registration (requires admin)
atom elements
tombstone
activity
email
chat
>>>>>>>>plugin api
>>>>>>>>theme api
ajax
image/link inline ajax
publish to external directory
local data performance improvements
product registration/protection