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Added a few samples for the Nit language
Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>
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Lucas Bajolet
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Adam Roben
Adam Roben
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commit
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376
samples/Nit/meetup.nit
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376
samples/Nit/meetup.nit
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# This file is part of NIT ( http://www.nitlanguage.org ).
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License
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# Shows a meetup and allows to modify its participants
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module meetup
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import opportunity_model
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import boilerplate
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import welcome
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import template
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# Shows a meetup and allows to modify its participants
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class OpportunityMeetupPage
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super OpportunityPage
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# Meetup the page is supposed to show
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var meetup: nullable Meetup = null
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# Answer mode for the meetup
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var mode = 0
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init from_id(id: String) do
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var db = new OpportunityDB.open("opportunity")
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meetup = db.find_meetup_by_id(id)
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db.close
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if meetup != null then mode = meetup.answer_mode
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init
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end
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init do
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header.page_js = "mode = {mode};\n"
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header.page_js += """
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function update_scores(){
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var anss = $('.answer');
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var count = {};
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var scores = {};
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var answers = [];
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var maxscore = 0;
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for(i=0; i < anss.length; i++){
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var incscore = 0;
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var inccount = 0;
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var idparts = anss[i].id.split("_");
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var ansid = idparts[1];
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var html = anss[i].innerHTML;
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if(html === "<center>✔</center>"){
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inccount = 1;
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incscore = 2;
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}else if(html === "<center>❓</center>"){
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incscore = 1;
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}
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var intansid = parseInt(ansid)
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if(answers.indexOf(intansid) == -1){
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answers.push(intansid);
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}
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if(ansid in count){
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count[ansid] += inccount;
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}else{
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count[ansid] = inccount;
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}
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if(ansid in scores){
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scores[ansid] += incscore;
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}else{
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scores[ansid] = incscore;
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}
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if(scores[ansid] > maxscore){
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maxscore = scores[ansid];
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}
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}
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for(i=0; i < answers.length; i++){
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var ansid = answers[i].toString();
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var el = $('#total'+ansid)[0];
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var ins = "<center>"+count[ansid];
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if(scores[ansid] >= maxscore){
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ins += "<br/><span style=\\"color:blue\\">★</span>";
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}
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ins += "</center>";
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el.innerHTML = ins;
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}
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}
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function change_answer(ele, id){
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// modify only the currently selected entry
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if (in_modification_id != id) return;
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var e = document.getElementById(ele.id);
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var i = e.innerHTML;
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var ans = true;"""
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if mode == 0 then
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header.page_js += """
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if(i === "<center>✔</center>"){
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ans = 0;
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e.innerHTML = "<center>✘</center>"
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e.style.color = "red";
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}else{
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ans = 1;
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e.innerHTML = "<center>✔</center>";
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e.style.color = "green";
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}"""
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else
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header.page_js += """
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if(i === "<center>✔</center>"){
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ans = 1;
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e.innerHTML = "<center>❓</center>"
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e.style.color = "#B8860B";
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}else if(i === "<center>❓</center>"){
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ans = 0;
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e.innerHTML = "<center>✘</center>"
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e.style.color = "red";
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}else{
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ans = 2;
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e.innerHTML = "<center>✔</center>";
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e.style.color = "green";
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}"""
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end
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header.page_js += """
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var a = ele.id.split('_')
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var pid = a[1]
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var aid = a[2]
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update_scores();
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$.ajax({
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type: "POST",
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url: "./rest/answer",
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data: {
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answer_id: aid,
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pers_id: pid,
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answer: ans
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}
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});
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}
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function change_temp_answer(ele){
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var e = document.getElementById(ele.id);
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var i = e.innerHTML;"""
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if mode == 0 then
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header.page_js += """
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if(i === "<center>✔</center>"){
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e.innerHTML = "<center>✘</center>"
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e.style.color = "red";
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}else{
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e.innerHTML = "<center>✔</center>";
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e.style.color = "green";
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}
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"""
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else
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header.page_js += """
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if(i === "<center>✔</center>"){
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e.innerHTML = "<center>❓</center>";
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e.style.color = "#B8860B";
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}else if(i === "<center>❓</center>"){
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e.innerHTML = "<center>✘</center>"
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e.style.color = "red";
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}else{
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e.innerHTML = "<center>✔</center>";
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e.style.color = "green";
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}
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"""
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end
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header.page_js += """
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update_scores();
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}
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function add_part(ele){
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var e = document.getElementById(ele.id);
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var pname = document.getElementById("new_name").value;
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var arr = e.id.split("_");
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var mid = arr[1];
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var ans = $('#' + ele.id).parent().parent().parent().children(".answer");
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ansmap = {};
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for(i=0;i<ans.length;i++){
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var curr = ans.eq(i)
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"""
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if mode == 0 then
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header.page_js += """
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if(curr[0].innerHTML === "<center>✔</center>"){
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ansmap[curr.attr('id')] = 1
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}else{
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ansmap[curr.attr('id')] = 0
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}"""
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else
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header.page_js += """
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if(curr[0].innerHTML === "<center>✔</center>"){
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ansmap[curr.attr('id')] = 2
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}else if(curr[0].innerHTML === "<center>❓</center>"){
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ansmap[curr.attr('id')] = 1
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}else{
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ansmap[curr.attr('id')] = 0
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}"""
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end
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header.page_js += """
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}
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$.ajax({
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type: "POST",
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url: "./rest/meetup/new_pers",
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data: {
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meetup_id: mid,
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persname: pname,
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answers: $.param(ansmap)
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}
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})
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.done(function(data){
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location.reload();
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})
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.fail(function(data){
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//TODO: Notify of failure
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});
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}
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function remove_people(ele){
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var arr = ele.id.split("_")
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var pid = arr[1]
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$('#' + ele.id).parent().parent().parent().remove();
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update_scores();
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$.ajax({
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type: "POST",
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url: "./rest/people",
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data: {
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method: "DELETE",
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p_id: pid
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}
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});
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}
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// ID of line currently open for modification
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var in_modification_id = null;
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function modify_people(ele, id){
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if (in_modification_id != null) {
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// reset to normal values
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$('#modify_'+in_modification_id).text("Modify or delete");
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$('#modify_'+in_modification_id).attr("class", "btn btn-xs btn-warning");
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$('#line_'+in_modification_id).css("background-color", "");
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$('#delete_'+in_modification_id).css("display", "none");
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}
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if (in_modification_id != id) {
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// activate modifiable mode
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$('#modify_'+id).text("Done");
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$('#modify_'+id).attr("class", "btn btn-xs btn-success");
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$('#line_'+id).css("background-color", "LightYellow");
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$('#delete_'+id).show();
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in_modification_id = id;
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} else {
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in_modification_id = null;
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}
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}
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"""
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end
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redef fun rendering do
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if meetup == null then
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add((new OpportunityHomePage).write_to_string)
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return
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end
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add header
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var db = new OpportunityDB.open("opportunity")
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add meetup.to_html(db)
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db.close
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add footer
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end
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end
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redef class Meetup
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# Build the HTML for `self`
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fun to_html(db: OpportunityDB): Streamable do
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var t = new Template
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t.add """
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<div class="container">
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<div class="page-header">
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<center><h1>{{{name}}}</h1></center>
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"""
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if not date.is_empty then t.add """
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<center><h4>When: {{{date}}}</h4></center>"""
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if not place.is_empty then t.add """
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<center><h4>Where: {{{place}}}</h4></center>"""
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t.add """
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</div>
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<table class="table">
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"""
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t.add "<th>Participant name</th>"
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for i in answers(db) do
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t.add "<th class=\"text-center\">"
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t.add i.to_s
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t.add "</th>"
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end
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t.add "<th></th>"
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t.add "</tr>"
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for i in participants(db) do
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i.load_answers(db, self)
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t.add "<tr id=\"line_{i.id}\">"
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t.add "<td>"
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t.add i.to_s
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t.add "</td>"
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for j, k in i.answers do
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var color
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if answer_mode == 0 then
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if k == 1 then
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color = "green"
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else
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color = "red"
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end
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else
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if k == 2 then
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color = "green"
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else if k == 1 then
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color = "#B8860B"
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else
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color = "red"
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end
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end
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t.add """<td class="answer" onclick="change_answer(this, {{{i.id}}})" id="answer_{{{j.id}}}_{{{i.id}}}" style="color:{{{color}}}">"""
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t.add "<center>"
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if answer_mode == 0 then
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if k == 1 then
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t.add "✔"
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else
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t.add "✘"
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end
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else
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if k == 2 then
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t.add "✔"
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else if k == 1 then
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t.add "❓"
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else
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t.add "✘"
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end
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end
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t.add "</center></td>"
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end
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t.add """<td class="opportunity-action"><center><button class="btn btn-xs btn-warning" type="button" onclick="modify_people(this, {{{i.id}}})" id="modify_{{{i.id}}}">Modify or delete</button> """
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t.add """<button class="btn btn-xs btn-danger" type="button" onclick="remove_people(this)" id="delete_{{{i.id}}}" style="display: none;">Delete</button></center></td>"""
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t.add "</tr>"
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end
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t.add """
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<tr id="newrow" style="background-color: LightYellow">
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<td><input id="new_name" type="text" placeholder="Your name" class="input-large"></td>
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"""
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for i in answers(db) do
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t.add "<td class=\"answer\" id=\"newans_{i.id}\" onclick=\"change_temp_answer(this)\" style=\"color:red;\"><center>✘</center></td>"
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end
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t.add """
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<td><center><span id="add_{{{id}}}" onclick="add_part(this)" style="color:green;" class="action"><button class="btn btn-xs btn-success" type="button">Done</button></span></center></td>"""
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t.add "</tr>"
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# Compute score for each answer
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var scores = new HashMap[Int, Int]
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var maxsc = 0
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for i in answers(db) do
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scores[i.id] = i.score(db)
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if scores[i.id] > maxsc then maxsc = scores[i.id]
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end
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t.add """
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<tr id="total">
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<th>Total</th>
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"""
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for i in answers(db) do
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t.add """<th id="total{{{i.id}}}"><center>{{{i.count(db)}}}"""
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if scores.has_key(i.id) and scores[i.id] >= maxsc then
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t.add """<br/><span style="color:blue">★</span>"""
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end
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t.add "</center></th>"
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end
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t.add "</th>"
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t.add """
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<th></th>
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</tr>"""
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t.add "</table>"
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t.add "</div>"
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return t
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end
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end
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