infinite_scroll: move js from index.php to main.js
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rabuzarus
parent
0b4565a72c
commit
d454905d3c
4 changed files with 95 additions and 65 deletions
46
boot.php
46
boot.php
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@ -862,6 +862,9 @@ class App {
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if ($touch_icon == "")
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$touch_icon = "images/friendica-128.png";
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// get data wich is needed for infinite scroll on the network page
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$invinite_scroll = infinite_scroll_data($this->module);
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$tpl = get_markup_template('head.tpl');
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$this->page['htmlhead'] = replace_macros($tpl,array(
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'$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
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@ -874,7 +877,8 @@ class App {
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'$update_interval' => $interval,
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'$shortcut_icon' => $shortcut_icon,
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'$touch_icon' => $touch_icon,
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'$stylesheet' => $stylesheet
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'$stylesheet' => $stylesheet,
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'$infinite_scroll' => $invinite_scroll,
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)) . $this->page['htmlhead'];
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}
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@ -2201,3 +2205,43 @@ function argv($x) {
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return '';
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}
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/**
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* @brief Get the data which is needed for infinite scroll
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*
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* For invinite scroll we need the page number of the actual page
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* and the the URI where the content of the next page comes from.
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* This data is needed for the js part in main.js.
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* Note: infinite scroll does only work for the network page (module)
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*
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* @param string $module The name of the module (e.g. "network")
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* @return array Of infinite scroll data
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* 'pageno' => $pageno The number of the actual page
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* 'reload_uri' => $reload_uri The URI of the content we have to load
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*/
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function infinite_scroll_data($module) {
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if (get_pconfig(local_user(),'system','infinite_scroll')
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AND ($module == "network") AND ($_GET["mode"] != "minimal")) {
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// get the page number
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if (is_string($_GET["page"]))
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$pageno = $_GET["page"];
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else
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$pageno = 1;
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$reload_uri = "";
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// try to get the uri from which we load the content
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foreach ($_GET AS $param => $value)
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if (($param != "page") AND ($param != "q"))
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$reload_uri .= "&".$param."=".urlencode($value);
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if (($a->page_offset != "") AND !strstr($reload_uri, "&offset="))
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$reload_uri .= "&offset=".urlencode($a->page_offset);
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$arr = array("pageno" => $pageno, "reload_uri" => $reload_uri);
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return $arr;
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}
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}
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64
index.php
64
index.php
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@ -491,70 +491,6 @@ if (isset($_GET["mode"]) AND ($_GET["mode"] == "raw")) {
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session_write_close();
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exit;
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} elseif (get_pconfig(local_user(),'system','infinite_scroll')
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AND ($a->module == "network") AND ($_GET["mode"] != "minimal")) {
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if (is_string($_GET["page"]))
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$pageno = $_GET["page"];
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else
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$pageno = 1;
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$reload_uri = "";
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foreach ($_GET AS $param => $value)
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if (($param != "page") AND ($param != "q"))
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$reload_uri .= "&".$param."=".urlencode($value);
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if (($a->page_offset != "") AND !strstr($reload_uri, "&offset="))
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$reload_uri .= "&offset=".urlencode($a->page_offset);
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$a->page['htmlhead'] .= <<< EOT
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<script type="text/javascript">
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$(document).ready(function() {
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num = $pageno;
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});
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function loadcontent() {
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if (lockLoadContent) return;
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lockLoadContent = true;
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$("#scroll-loader").fadeIn('normal');
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num+=1;
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console.log('Loading page ' + num);
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$.get('/network?mode=raw$reload_uri&page=' + num, function(data) {
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$("#scroll-loader").hide();
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if ($(data).length > 0) {
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$(data).insertBefore('#conversation-end');
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lockLoadContent = false;
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} else {
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$("#scroll-end").fadeIn('normal');
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}
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});
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}
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var num = $pageno;
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var lockLoadContent = false;
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$(window).scroll(function(e){
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if ($(document).height() != $(window).height()) {
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// First method that is expected to work - but has problems with Chrome
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if ($(window).scrollTop() > ($(document).height() - $(window).height() * 1.5))
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loadcontent();
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} else {
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// This method works with Chrome - but seems to be much slower in Firefox
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if ($(window).scrollTop() > (($("section").height() + $("header").height() + $("footer").height()) - $(window).height() * 1.5))
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loadcontent();
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}
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});
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</script>
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EOT;
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}
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$page = $a->page;
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41
js/main.js
41
js/main.js
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@ -51,6 +51,7 @@
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var commentBusy = false;
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var last_popup_menu = null;
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var last_popup_button = null;
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var lockLoadContent = false;
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$(function() {
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$.ajaxSetup({cache: false});
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@ -349,6 +350,21 @@
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}
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});
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// Set an event listener for infinite scroll
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if(typeof infinite_scroll !== 'undefined') {
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$(window).scroll(function(e){
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if ($(document).height() != $(window).height()) {
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// First method that is expected to work - but has problems with Chrome
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if ($(window).scrollTop() > ($(document).height() - $(window).height() * 1.5))
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loadScrollContent();
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} else {
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// This method works with Chrome - but seems to be much slower in Firefox
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if ($(window).scrollTop() > (($("section").height() + $("header").height() + $("footer").height()) - $(window).height() * 1.5))
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loadScrollContent();
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}
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});
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}
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});
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@ -709,6 +725,31 @@
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$('#pause').html('');
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}
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// load more network content (used for infinite scroll)
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function loadScrollContent() {
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if (lockLoadContent) return;
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lockLoadContent = true;
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$("#scroll-loader").fadeIn('normal');
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// the page number to load is one higher than the actual
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// page number
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infinite_scroll.pageno+=1;
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console.log('Loading page ' + infinite_scroll.pageno);
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// get the raw content from the next page and insert this content
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// right before "#conversation-end"
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$.get('network?mode=raw' + infinite_scroll.reload_uri + '&page=' + infinite_scroll.pageno, function(data) {
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$("#scroll-loader").hide();
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if ($(data).length > 0) {
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$(data).insertBefore('#conversation-end');
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lockLoadContent = false;
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} else {
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$("#scroll-end").fadeIn('normal');
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}
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});
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}
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function bin2hex(s){
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// Converts the binary representation of data to hex
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@ -48,6 +48,15 @@
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var updateInterval = {{$update_interval}};
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var localUser = {{if $local_user}}{{$local_user}}{{else}}false{{/if}};
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{{* Create an object with the data which is needed for infinite scroll.
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For the relevant js part look at function loadContent() in main.js. *}}
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{{if $infinite_scroll}}
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var infinite_scroll = {
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'pageno' : {{$infinite_scroll.pageno}},
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'reload_uri' : "{{$infinite_scroll.reload_uri}}"
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}
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{{/if}}
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function confirmDelete() { return confirm("{{$delitem}}"); }
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function commentExpand(id) {
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$("#comment-edit-text-" + id).value = '';
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