141 lines
4.1 KiB
JavaScript
141 lines
4.1 KiB
JavaScript
/**
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* Copyright (c) 2013 Christopher Schäpers <christopher@schaepers.it>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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*/
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/**
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* This plugin inserts the right avatar for the user, depending on, whether a
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* custom avatar is uploaded - which it uses then - or not, and display a
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* placeholder with the first letter of the users name instead.
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* For this it queries the core_avatar_get route, thus this plugin is fit very
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* tightly for owncloud, and it may not work anywhere else.
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*
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* You may use this on any <div></div>
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* Here I'm using <div class="avatardiv"></div> as an example.
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*
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* There are 5 ways to call this:
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*
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* 1. $('.avatardiv').avatar('jdoe', 128);
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* This will make the div to jdoe's fitting avatar, with a size of 128px.
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*
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* 2. $('.avatardiv').avatar('jdoe');
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* This will make the div to jdoe's fitting avatar. If the div already has a
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* height, it will be used for the avatars size. Otherwise this plugin will
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* search for 'size' DOM data, to use for avatar size. If neither are available
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* it will default to 64px.
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*
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* 3. $('.avatardiv').avatar();
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* This will search the DOM for 'user' data, to use as the username. If there
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* is no username available it will default to a placeholder with the value of
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* "?". The size will be determined the same way, as the second example.
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*
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* 4. $('.avatardiv').avatar('jdoe', 128, true);
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* This will behave like the first example, except it will also append random
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* hashes to the custom avatar images, to force image reloading in IE8.
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*
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* 5. $('.avatardiv').avatar('jdoe', 128, undefined, true);
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* This will behave like the first example, but it will hide the avatardiv, if
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* it will display the default placeholder. undefined is the ie8fix from
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* example 4 and can be either true, or false/undefined, to be ignored.
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*
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* 6. $('.avatardiv').avatar('jdoe', 128, undefined, true, callback);
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* This will behave like the above example, but it will call the function
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* defined in callback after the avatar is placed into the DOM.
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*
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*/
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(function ($) {
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$.fn.avatar = function(user, size, ie8fix, hidedefault, callback, displayname) {
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var setAvatarForUnknownUser = function(target) {
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target.imageplaceholder('?');
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target.css('background-color', '#b9b9b9');
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};
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if (typeof(user) !== 'undefined') {
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user = String(user);
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}
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if (typeof(displayname) !== 'undefined') {
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displayname = String(displayname);
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}
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if (typeof(size) === 'undefined') {
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if (this.height() > 0) {
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size = this.height();
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} else if (this.data('size') > 0) {
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size = this.data('size');
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} else {
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size = 64;
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}
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}
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this.height(size);
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this.width(size);
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if (typeof(user) === 'undefined') {
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if (typeof(this.data('user')) !== 'undefined') {
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user = this.data('user');
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} else {
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setAvatarForUnknownUser(this);
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return;
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}
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}
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// sanitize
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user = String(user).replace(/\//g,'');
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var $div = this;
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var url;
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// If this is our own avatar we have to use the version attribute
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if (user === OC.getCurrentUser().uid) {
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url = OC.generateUrl(
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'/avatar/{user}/{size}?v={version}',
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{
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user: user,
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size: Math.ceil(size * window.devicePixelRatio),
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version: oc_userconfig.avatar.version
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});
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} else {
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url = OC.generateUrl(
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'/avatar/{user}/{size}',
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{
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user: user,
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size: Math.ceil(size * window.devicePixelRatio)
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});
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}
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var img = new Image();
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// If the new image loads successfully set it.
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img.onload = function() {
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$div.clearimageplaceholder();
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$div.append(img);
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if(typeof callback === 'function') {
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callback();
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}
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};
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// Fallback when avatar loading fails:
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// Use old placeholder when a displayname attribute is defined,
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// otherwise show the unknown user placeholder.
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img.onerror = function () {
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$div.clearimageplaceholder();
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if (typeof(displayname) !== 'undefined') {
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$div.imageplaceholder(user, displayname);
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} else {
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setAvatarForUnknownUser($div);
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}
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if(typeof callback === 'function') {
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callback();
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}
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};
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$div.addClass('icon-loading');
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img.width = size;
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img.height = size;
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img.src = url;
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};
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}(jQuery));
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