mirror of https://github.com/friendica/friendica
286 lines
9.1 KiB
JavaScript
286 lines
9.1 KiB
JavaScript
/*
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* The javascript for friendicas hovercard. Bootstraps popover is needed.
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*
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* Much parts of the code are from Hannes Mannerheims <h@nnesmannerhe.im>
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* qvitter code (https://github.com/hannesmannerheim/qvitter)
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*
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* It is licensed under the GNU Affero General Public License <http://www.gnu.org/licenses/>
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*
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*/
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$(document).ready(function(){
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// Elements with the class "userinfo" will get a hover-card.
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// Note that this elements does need a href attribute which links to
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// a valid profile url
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$("body").on("mouseover", ".userinfo, .wall-item-responses a, .wall-item-bottom .mention a", function(e) {
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var timeNow = new Date().getTime();
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removeAllhoverCards(e,timeNow);
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var hoverCardData = false;
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var hrefAttr = false;
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var targetElement = $(this);
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// get href-attribute
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if(targetElement.is('[href]')) {
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hrefAttr = targetElement.attr('href');
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} else {
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return true;
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}
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// no hover card if the element has the no-hover-card class
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if(targetElement.hasClass('no-hover-card')) {
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return true;
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}
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// no hovercard for anchor links
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if(hrefAttr.substring(0,1) == '#') {
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return true;
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}
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targetElement.attr('data-awaiting-hover-card',timeNow);
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// Take link href attribute as link to the profile
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var profileurl = hrefAttr;
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// the url to get the contact and template data
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var url = baseurl + "/hovercard";
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// store the title in an other data attribute beause bootstrap
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// popover destroys the title.attribute. We can restore it later
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var title = targetElement.attr("title");
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targetElement.attr({"data-orig-title": title, title: ""});
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// if the device is a mobile open the hover card by click and not by hover
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if(typeof is_mobile != "undefined") {
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targetElement[0].removeAttribute("href");
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var hctrigger = 'click';
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} else {
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var hctrigger = 'manual';
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};
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// Timeoute until the hover-card does appear
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setTimeout(function(){
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if(targetElement.is(":hover") && parseInt(targetElement.attr('data-awaiting-hover-card'),10) == timeNow) {
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if($('.hovercard').length == 0) { // no card if there already is one open
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// get an additional data atribute if the card is active
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targetElement.attr('data-hover-card-active',timeNow);
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// get the whole html content of the hover card and
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// push it to the bootstrap popover
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getHoverCardContent(profileurl, url, function(data){
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if(data) {
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targetElement.popover({
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html: true,
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placement: function () {
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// Calculate the placement of the the hovercard (if top or bottom)
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// The placement depence on the distance between window top and the element
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// which triggers the hover-card
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var get_position = $(targetElement).offset().top - $(window).scrollTop();
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if (get_position < 270 ){
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return "bottom";
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}
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return "top";
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},
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trigger: hctrigger,
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template: '<div class="popover hovercard" data-card-created="' + timeNow + '"><div class="arrow"></div><div class="popover-content hovercard-content"></div></div>',
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content: data,
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container: "body",
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}).popover('show');
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}
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});
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}
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}
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}, 500);
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}).on("mouseleave", ".userinfo, .wall-item-responses a, .wall-item-bottom .mention a", function(e) { // action when mouse leaves the hover-card
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var timeNow = new Date().getTime();
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// copy the original title to the title atribute
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var title = $(this).attr("data-orig-title");
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$(this).attr({"data-orig-title": "", title: title});
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removeAllhoverCards(e,timeNow);
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});
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// hover cards should be removed very easily, e.g. when any of these events happen
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$('body').on("mouseleave touchstart scroll click dblclick mousedown mouseup submit keydown keypress keyup", function(e){
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// remove hover card only for desktiop user, since on mobile we openen the hovercards
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// by click event insteadof hover
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if(typeof is_mobile == "undefined") {
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var timeNow = new Date().getTime();
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removeAllhoverCards(e,timeNow);
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};
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});
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// if we're hovering a hover card, give it a class, so we don't remove it
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$('body').on('mouseover','.hovercard', function(e) {
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$(this).addClass('dont-remove-card');
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});
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$('body').on('mouseleave','.hovercard', function(e) {
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$(this).removeClass('dont-remove-card');
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$(this).popover("hide");
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});
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}); // End of $(document).ready
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// removes all hover cards
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function removeAllhoverCards(event,priorTo) {
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// don't remove hovercards until after 100ms, so user have time to move the cursor to it (which gives it the dont-remove-card class)
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setTimeout(function(){
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$.each($('.hovercard'),function(){
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var title = $(this).attr("data-orig-title");
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// don't remove card if it was created after removeAllhoverCards() was called
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if($(this).data('card-created') < priorTo) {
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// don't remove it if we're hovering it right now!
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if(!$(this).hasClass('dont-remove-card')) {
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$('[data-hover-card-active="' + $(this).data('card-created') + '"]').removeAttr('data-hover-card-active');
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$(this).popover("hide");
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}
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}
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});
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},100);
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}
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// Ajax request to get json contact data
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function getContactData(purl, url, actionOnSuccess) {
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var postdata = {
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mode : 'none',
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profileurl : purl,
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datatype : 'json',
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};
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// Normalize and clean the profile so we can use a standardized url
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// as key for the cache
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var nurl = cleanContactUrl(purl).normalizeLink();
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// If the contact is allready in the cache use the cached result instead
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// of doing a new ajax request
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if(nurl in getContactData.cache) {
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setTimeout(function() { actionOnSuccess(getContactData.cache[nurl]); } , 1);
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return;
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}
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$.ajax({
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url: url,
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data: postdata,
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dataType: "json",
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success: function(data, textStatus, request){
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// Check if the nurl (normalized profile url) is present and store it to the cache
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// The nurl will be the identifier in the object
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if(data.nurl.length > 0) {
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// Test if the contact is allready connected with the user (if url containing
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// the expression ("redir/") We will store different cache keys
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if((data.url.search("redir/")) >= 0 ) {
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var key = data.url;
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} else {
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var key = data.nurl;
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}
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getContactData.cache[key] = data;
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}
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actionOnSuccess(data, url, request);
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},
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error: function(data) {
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actionOnSuccess(false, data, url);
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}
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});
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}
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getContactData.cache = {};
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// Get hover-card template data and the contact-data and transform it with
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// the help of jSmart. At the end we have full html content of the hovercard
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function getHoverCardContent(purl, url, callback) {
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// fetch the raw content of the template
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getHoverCardTemplate(url, function(stpl) {
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var template = unescape(stpl);
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// get the contact data
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getContactData (purl, url, function(data) {
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if(typeof template != 'undefined') {
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// get the hover-card variables
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var variables = getHoverCardVariables(data);
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var tpl;
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// use friendicas template delimiters instead of
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// the original one
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jSmart.prototype.left_delimiter = '{{';
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jSmart.prototype.right_delimiter = '}}';
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// create a new jSmart instant with the raw content
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// of the template
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var tpl = new jSmart (template);
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// insert the variables content into the template content
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var HoverCardContent = tpl.fetch(variables);
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callback(HoverCardContent);
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}
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});
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});
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// This is interisting. this pice of code ajax request are done asynchron.
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// To make it work getHOverCardTemplate() and getHOverCardData have to return it's
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// data (no succes handler for each of this). I leave it here, because it could be useful.
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// https://lostechies.com/joshuaflanagan/2011/10/20/coordinating-multiple-ajax-requests-with-jquery-when/
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// $.when(
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// getHoverCardTemplate(url),
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// getContactData (term, url )
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//
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// ).done(function(template, profile){
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// if(typeof template != 'undefined') {
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// var variables = getHoverCardVariables(profile);
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//
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// jSmart.prototype.left_delimiter = '{{';
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// jSmart.prototype.right_delimiter = '}}';
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// var tpl = new jSmart (template);
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// var html = tpl.fetch(variables);
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//
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// return html;
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// }
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// });
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}
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// Ajax request to get the raw template content
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function getHoverCardTemplate (url, callback) {
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var postdata = {
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mode: 'none',
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datatype: 'tpl'
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};
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// Look if we have the template already in the cace, so we don't have
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// request it again
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if('hovercard' in getHoverCardTemplate.cache) {
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setTimeout(function() { callback(getHoverCardTemplate.cache['hovercard']); } , 1);
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return;
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}
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$.ajax({
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url: url,
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data: postdata,
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success: function(data, textStatus) {
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// write the data in the cache
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getHoverCardTemplate.cache['hovercard'] = data;
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callback(data);
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}
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}).fail(function () {callback([]); });
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}
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getHoverCardTemplate.cache = {};
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// The Variables used for the template
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function getHoverCardVariables(object) {
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var profile = {
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name: object.name,
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nick: object.nick,
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addr: object.addr,
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thumb: object.thumb,
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url: object.url,
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nurl: object.nurl,
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location: object.location,
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gender: object.gender,
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about: object.about,
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network: object.network,
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tags: object.tags,
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bd: object.bd,
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account_type: object.account_type,
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actions: object.actions
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};
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var variables = { profile: profile};
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return variables;
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}
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