diff --git a/build-js.sh b/build-js.sh new file mode 100755 index 0000000..c244037 --- /dev/null +++ b/build-js.sh @@ -0,0 +1,19 @@ +#!/usr/bin/env bash +set -e +root=$(readlink -e $(dirname $0)) + +cd $root +if [ -z "$GOPATH" ]; then + export GOPATH=$PWD/go + mkdir -p $GOPATH +fi + +if [ ! -f $GOPATH/bin/minify ]; then + go get github.com/tdewolff/minify/cmd/minify +fi + +echo -e "//For source code and license information please check https://github.com/majestrate/nntpchan \n" > ./contrib/static/nntpchan.js + +for f in ./contrib/js/*.js ; do + cat $f | $GOPATH/bin/minify --mime=text/javascript >> ./contrib/static/nntpchan.js +done diff --git a/contrib/js/api.js b/contrib/js/api.js new file mode 100644 index 0000000..7186f27 --- /dev/null +++ b/contrib/js/api.js @@ -0,0 +1,41 @@ +// call an api method +// handler(json_object) on success +// handler(null) on fail +function nntpchan_apicall(url, handler, err_handler) { + var ajax = new XMLHttpRequest(); + ajax.onreadystatechange = function() { + if (ajax.readyState == XMLHttpRequest.DONE ) { + var status = ajax.status; + var j = null; + if (status == 200) { + // found + try { + j = JSON.parse(ajax.responseText); + } catch (e) {} // ignore parse error + } else if (status == 410) { + if (err_handler) {err_handler("cannot fetch post: api disabled");} + return; + } + handler(j); + } + }; + ajax.open("GET", url); + ajax.send(); +} + +// build post from json +// inject into parent +// if j is null then inject "not found" post +function nntpchan_buildpost(parent, j) { + var post = document.createElement("div"); + if (j) { + // huehuehue + post.innerHTML = j.PostMarkup; + inject_hover_for_element(post); + } else { + post.setAttribute("class", "notfound post"); + post.appendChild(document.createTextNode("post not found")); + } + parent.appendChild(post); +} + diff --git a/contrib/js/backlink.js b/contrib/js/backlink.js new file mode 100644 index 0000000..4f89ba8 --- /dev/null +++ b/contrib/js/backlink.js @@ -0,0 +1,78 @@ +// insert a backlink for a post given its short hash +function nntpchan_backlink(shorthash) { + var elem = document.getElementById("postform_message"); + if ( elem ) + { + elem.value += ">>" + shorthash.substr(0,10) + "\n"; + } +} + +// inject post hover behavior +function inject_hover(prefix, el, parent) { + if (!prefix) { throw "prefix is not defined"; } + var linkhash = el.getAttribute("backlinkhash"); + if (!linkhash) { throw "linkhash undefined"; } + console.log("rewrite linkhash "+linkhash); + + var elem = document.createElement("span"); + elem.setAttribute("class", "backlink_rewritten"); + elem.appendChild(document.createTextNode(">>"+linkhash.substr(0,10))); + if (!parent) { + parent = el.parentNode; + } + parent.removeChild(el); + parent.appendChild(elem); + + elem.onclick = function(ev) { + if(parent.backlink) { + nntpchan_apicall(prefix+"api/find?hash="+linkhash, function(j) { + var wrapper = document.createElement("div"); + wrapper.setAttribute("class", "hover "+linkhash); + if (j == null) { + // not found? + wrapper.setAttribute("class", "hover notfound-hover "+linkhash); + wrapper.appendChild(document.createTextNode("not found")); + } else { + // wrap backlink + nntpchan_buildpost(wrapper, j); + } + parent.appendChild(wrapper); + parent.backlink = false; + }, function(msg) { + var wrapper = document.createElement("div"); + wrapper.setAttribute("class", "hover "+linkhash); + wrapper.appendChild(document.createTextNode(msg)); + parent.appendChild(wrapper); + parent.backlink = false; + }); + } else { + var elems = document.getElementsByClassName(linkhash); + if (!elems) throw "bad state, no backlinks open?"; + for (var idx = 0 ; idx < elems.length; idx ++ ) { + elems[idx].parentNode.removeChild(elems[idx]); + } + parent.backlink = true; + } + }; + parent.backlink = true; +} + +// inject post hover for all backlinks in an element +function inject_hover_for_element(elem) { + var elems = elem.getElementsByClassName("backlink"); + var ls = []; + var l = elems.length; + for ( var idx = 0 ; idx < l ; idx ++ ) { + var e = elems[idx]; + ls.push(e); + } + for( var elem in ls ) { + inject_hover(prefix, ls[elem]); + } +} + +function init(prefix) { + // inject posthover ... + inject_hover_for_element(document); +} + diff --git a/contrib/js/banner.js b/contrib/js/banner.js new file mode 100644 index 0000000..e6e9c62 --- /dev/null +++ b/contrib/js/banner.js @@ -0,0 +1,13 @@ +var banner_count = 3; + +// inject a banner into an element +function nntpchan_inject_banners(elem, prefix) { + var n = Math.floor(Math.random() * banner_count); + var banner = prefix + "static/banner_"+n+".jpg"; + var e = document.createElement("img"); + e.src = banner; + e.id = "nntpchan_banner"; + elem.appendChild(e); +} + + diff --git a/contrib/js/livechan.js b/contrib/js/livechan.js new file mode 100644 index 0000000..c94168f --- /dev/null +++ b/contrib/js/livechan.js @@ -0,0 +1,66 @@ +function livechan_got_post(widget, j) { + // do scroll + while (widget.children.length > 5) { + // remove top element + widget.removeChild(widget.children[0]); + } + nntpchan_buildpost(widget, j); + // scroll to bottom + widget.scrollTop = widget.scrollHeight; +} + +// inject post form into an element +function inject_postform(prefix, parent) { + +} + +// inject livechan widget into parent +function inject_livechan_widget(prefix, parent) { + if ( "WebSocket" in window ) { + var url = "ws://"+document.location.host+prefix+"live"; + if ( document.location.protocol == "https:" ) { + url = "wss://"+document.location.host+prefix+"live"; + } + var socket = new WebSocket(url); + var progress = function(str) { + parent.innerHTML = "
livechan: "+str+""; + }; + progress("initialize"); + socket.onopen = function () { + progress("streaming (read only)"); + } + socket.onmessage = function(ev) { + var j = null; + try { + j = JSON.parse(ev.data); + } catch(e) { + // ignore + } + if (j) { + console.log(j); + livechan_got_post(parent, j); + } + } + socket.onclose = function(ev) { + progress("connection closed"); + setTimeout(function() { + inject_livechan_widget(prefix, parent); + }, 1000); + } + } else { + parent.innerHTML = "
livechan mode requires websocket support"; + setTimeout(function() { + parent.innerHTML = ""; + }, 5000); + } +} + +function ukko_livechan(prefix) { + var ukko = document.getElementById("ukko_threads"); + if (ukko) { + // remove children + ukko.innerHTML = ""; + inject_livechan_widget(prefix, ukko); + } +} + diff --git a/contrib/js/local_storage.js b/contrib/js/local_storage.js new file mode 100644 index 0000000..fe64b91 --- /dev/null +++ b/contrib/js/local_storage.js @@ -0,0 +1,10 @@ +function get_storage() { + var st = null; + if (window.localStorage) { + st = window.localStorage; + } else if (localStorage) { + st = localStorage; + } + return st; +} + diff --git a/contrib/js/theme.js b/contrib/js/theme.js new file mode 100644 index 0000000..3a0ec1a --- /dev/null +++ b/contrib/js/theme.js @@ -0,0 +1,15 @@ +function enable_theme(prefix, name) { + if (prefix && name) { + var theme = document.getElementById("current_theme"); + if (theme) { + theme.href = prefix + "static/"+ name + ".css"; + var st = get_storage(); + st.nntpchan_prefix = prefix; + st.nntpchan_theme = name; + } + } +} + +// apply themes +var st = get_storage(); +enable_theme(st.nntpchan_prefix, st.nntpchan_theme); diff --git a/contrib/static/nntpchan.js b/contrib/static/nntpchan.js index 827d8af..fcb4812 100644 --- a/contrib/static/nntpchan.js +++ b/contrib/static/nntpchan.js @@ -1,228 +1,27 @@ -// -// nntpchan.js -- frontend ui niceness -// +//For source code and license information please check https://github.com/majestrate/nntpchan - -// insert a backlink for a post given its short hash -function nntpchan_backlink(shorthash) { - var elem = document.getElementById("postform_message"); - if ( elem ) - { - elem.value += ">>" + shorthash.substr(0,10) + "\n"; - } -} - -function get_storage() { - var st = null; - if (window.localStorage) { - st = window.localStorage; - } else if (localStorage) { - st = localStorage; - } - return st; -} - -function enable_theme(prefix, name) { - if (prefix && name) { - var theme = document.getElementById("current_theme"); - if (theme) { - theme.href = prefix + "static/"+ name + ".css"; - var st = get_storage(); - st.nntpchan_prefix = prefix; - st.nntpchan_theme = name; - } - } -} - - -// call an api method -// handler(json_object) on success -// handler(null) on fail -function nntpchan_apicall(url, handler, err_handler) { - var ajax = new XMLHttpRequest(); - ajax.onreadystatechange = function() { - if (ajax.readyState == XMLHttpRequest.DONE ) { - var status = ajax.status; - var j = null; - if (status == 200) { - // found - try { - j = JSON.parse(ajax.responseText); - } catch (e) {} // ignore parse error - } else if (status == 410) { - if (err_handler) {err_handler("cannot fetch post: api disabled");} - return; - } - handler(j); - } - }; - ajax.open("GET", url); - ajax.send(); -} - -// build post from json -// inject into parent -// if j is null then inject "not found" post -function nntpchan_buildpost(parent, j) { - var post = document.createElement("div"); - if (j) { - // huehuehue - post.innerHTML = j.PostMarkup; - inject_hover_for_element(post); - } else { - post.setAttribute("class", "notfound post"); - post.appendChild(document.createTextNode("post not found")); - } - parent.appendChild(post); -} - -// inject post hover behavior -function inject_hover(prefix, el, parent) { - if (!prefix) { throw "prefix is not defined"; } - var linkhash = el.getAttribute("backlinkhash"); - if (!linkhash) { throw "linkhash undefined"; } - console.log("rewrite linkhash "+linkhash); - - var elem = document.createElement("span"); - elem.setAttribute("class", "backlink_rewritten"); - elem.appendChild(document.createTextNode(">>"+linkhash.substr(0,10))); - if (!parent) { - parent = el.parentNode; - } - parent.removeChild(el); - parent.appendChild(elem); - - elem.onclick = function(ev) { - if(parent.backlink) { - nntpchan_apicall(prefix+"api/find?hash="+linkhash, function(j) { - var wrapper = document.createElement("div"); - wrapper.setAttribute("class", "hover "+linkhash); - if (j == null) { - // not found? - wrapper.setAttribute("class", "hover notfound-hover "+linkhash); - wrapper.appendChild(document.createTextNode("not found")); - } else { - // wrap backlink - nntpchan_buildpost(wrapper, j); - } - parent.appendChild(wrapper); - parent.backlink = false; - }, function(msg) { - var wrapper = document.createElement("div"); - wrapper.setAttribute("class", "hover "+linkhash); - wrapper.appendChild(document.createTextNode(msg)); - parent.appendChild(wrapper); - parent.backlink = false; - }); - } else { - var elems = document.getElementsByClassName(linkhash); - if (!elems) throw "bad state, no backlinks open?"; - for (var idx = 0 ; idx < elems.length; idx ++ ) { - elems[idx].parentNode.removeChild(elems[idx]); - } - parent.backlink = true; - } - }; - parent.backlink = true; -} - -function livechan_got_post(widget, j) { - // do scroll - while (widget.children.length > 5) { - // remove top element - widget.removeChild(widget.children[0]); - } - nntpchan_buildpost(widget, j); - // scroll to bottom - widget.scrollTop = widget.scrollHeight; -} - -// inject post form into an element -function inject_postform(prefix, parent) { - -} - -// inject livechan widget into parent -function inject_livechan_widget(prefix, parent) { - if ( "WebSocket" in window ) { - var url = "ws://"+document.location.host+prefix+"live"; - if ( document.location.protocol == "https:" ) { - url = "wss://"+document.location.host+prefix+"live"; - } - var socket = new WebSocket(url); - var progress = function(str) { - parent.innerHTML = "
livechan: "+str+""; - }; - progress("initialize"); - socket.onopen = function () { - progress("streaming (read only)"); - } - socket.onmessage = function(ev) { - var j = null; - try { - j = JSON.parse(ev.data); - } catch(e) { - // ignore - } - if (j) { - console.log(j); - livechan_got_post(parent, j); - } - } - socket.onclose = function(ev) { - progress("connection closed"); - setTimeout(function() { - inject_livechan_widget(prefix, parent); - }, 1000); - } - } else { - parent.innerHTML = "
livechan mode requires websocket support"; - setTimeout(function() { - parent.innerHTML = ""; - }, 5000); - } -} - -function ukko_livechan(prefix) { - var ukko = document.getElementById("ukko_threads"); - if (ukko) { - // remove children - ukko.innerHTML = ""; - inject_livechan_widget(prefix, ukko); - } -} - -var banner_count = 3; - -// inject a banner into an element -function nntpchan_inject_banners(elem, prefix) { - var n = Math.floor(Math.random() * banner_count); - var banner = prefix + "static/banner_"+n+".jpg"; - var e = document.createElement("img"); - e.src = banner; - e.id = "nntpchan_banner"; - elem.appendChild(e); -} - -// inject post hover for all backlinks in an element -function inject_hover_for_element(elem) { - var elems = elem.getElementsByClassName("backlink"); - var ls = []; - var l = elems.length; - for ( var idx = 0 ; idx < l ; idx ++ ) { - var e = elems[idx]; - ls.push(e); - } - for( var elem in ls ) { - inject_hover(prefix, ls[elem]); - } -} - -function init(prefix) { - // inject posthover ... - inject_hover_for_element(document); -} - -// apply themes -var st = get_storage(); -enable_theme(st.nntpchan_prefix, st.nntpchan_theme); +function nntpchan_apicall(url,handler,err_handler){var ajax=new XMLHttpRequest();ajax.onreadystatechange=function(){if(ajax.readyState==XMLHttpRequest.DONE){var status=ajax.status;var j=null;if(status==200){try{j=JSON.parse(ajax.responseText);}catch(e){}}else if(status==410){if(err_handler){err_handler("cannot fetch post: api disabled");} +return;} +handler(j);}};ajax.open("GET",url);ajax.send();} +function nntpchan_buildpost(parent,j){var post=document.createElement("div");if(j){post.innerHTML=j.PostMarkup;inject_hover_for_element(post);}else{post.setAttribute("class","notfound post");post.appendChild(document.createTextNode("post not found"));} +parent.appendChild(post);}function nntpchan_backlink(shorthash){var elem=document.getElementById("postform_message");if(elem) +{elem.value+=">>"+shorthash.substr(0,10)+"\n";}} +function inject_hover(prefix,el,parent){if(!prefix){throw"prefix is not defined";} +var linkhash=el.getAttribute("backlinkhash");if(!linkhash){throw"linkhash undefined";} +console.log("rewrite linkhash "+linkhash);var elem=document.createElement("span");elem.setAttribute("class","backlink_rewritten");elem.appendChild(document.createTextNode(">>"+linkhash.substr(0,10)));if(!parent){parent=el.parentNode;} +parent.removeChild(el);parent.appendChild(elem);elem.onclick=function(ev){if(parent.backlink){nntpchan_apicall(prefix+"api/find?hash="+linkhash,function(j){var wrapper=document.createElement("div");wrapper.setAttribute("class","hover "+linkhash);if(j==null){wrapper.setAttribute("class","hover notfound-hover "+linkhash);wrapper.appendChild(document.createTextNode("not found"));}else{nntpchan_buildpost(wrapper,j);} +parent.appendChild(wrapper);parent.backlink=false;},function(msg){var wrapper=document.createElement("div");wrapper.setAttribute("class","hover "+linkhash);wrapper.appendChild(document.createTextNode(msg));parent.appendChild(wrapper);parent.backlink=false;});}else{var elems=document.getElementsByClassName(linkhash);if(!elems)throw"bad state, no backlinks open?";for(var idx=0;idx
livechan: "+str+"";};progress("initialize");socket.onopen=function(){progress("streaming (read only)");} +socket.onmessage=function(ev){var j=null;try{j=JSON.parse(ev.data);}catch(e){} +if(j){console.log(j);livechan_got_post(parent,j);}} +socket.onclose=function(ev){progress("connection closed");setTimeout(function(){inject_livechan_widget(prefix,parent);},1000);}}else{parent.innerHTML="
livechan mode requires websocket support";setTimeout(function(){parent.innerHTML="";},5000);}} +function ukko_livechan(prefix){var ukko=document.getElementById("ukko_threads");if(ukko){ukko.innerHTML="";inject_livechan_widget(prefix,ukko);}}function get_storage(){var st=null;if(window.localStorage){st=window.localStorage;}else if(localStorage){st=localStorage;} +return st;}function enable_theme(prefix,name){if(prefix&&name){var theme=document.getElementById("current_theme");if(theme){theme.href=prefix+"static/"+name+".css";var st=get_storage();st.nntpchan_prefix=prefix;st.nntpchan_theme=name;}}} +var st=get_storage();enable_theme(st.nntpchan_prefix,st.nntpchan_theme); \ No newline at end of file