1 Vue
.component('my-problems', {
4 problems: problemArray
, //initial value
9 stage: "nothing", //or "preview" after new problem is filled
14 <div class="col-sm-12 col-md-10 col-md-offset-1 col-lg-8 col-lg-offset-2">
15 <div id="problemControls" class="button-group">
16 <button aria-label="Load previous problems" class="tooltip"
17 @click="fetchProblems('backward')">
18 <i class="material-icons">skip_previous</i>
20 <button aria-label="Add a problem" class="tooltip"
21 @click="showNewproblemModal">
24 <button aria-label="Load next problems" class="tooltip"
25 @click="fetchProblems('forward')">
26 <i class="material-icons">skip_next</i>
29 <my-problem-summary v-on:show-problem="bubbleUp(p)"
30 v-for="(p,idx) in sortedProblems"
31 v-bind:prob="p" v-bind:preview="false" v-bind:key="idx">
33 <input type="checkbox" id="modal-newproblem" class="modal">
34 <div role="dialog" aria-labelledby="newProblemTxt">
35 <div v-show="newProblem.stage=='nothing'" class="card newproblem-form">
36 <label for="modal-newproblem" class="modal-close"></label>
37 <h3 id="newProblemTxt">Add problem</h3>
38 <form @submit.prevent="previewNewProblem">
40 <label for="newpbFen">Fen</label>
41 <input id="newpbFen" type="text" v-model="newProblem.fen"
42 placeholder="Full FEN string"/>
45 <p class="emphasis">Safe HTML tags allowed</p>
46 <label for="newpbInstructions">Instructions</label>
47 <textarea id="newpbInstructions" v-model="newProblem.instructions"
48 placeholder="Explain the problem here"></textarea>
49 <label for="newpbSolution">Solution</label>
50 <textarea id="newpbSolution" v-model="newProblem.solution"
51 placeholder="How to solve the problem?"></textarea>
52 <button class="center-btn">Preview</button>
56 <div v-show="newProblem.stage=='preview'" class="card newproblem-preview">
57 <label for="modal-newproblem" class="modal-close"></label>
58 <my-problem-summary v-bind:prob="newProblem" v-bind:preview="true">
60 <div class="button-group">
61 <button @click="newProblem.stage='nothing'">Cancel</button>
62 <button @click="sendNewProblem()">Send</button>
69 sortedProblems: function() {
70 // Newest problem first
71 return this.problems
.sort((p1
,p2
) => { return p2
.added
- p1
.added
; });
75 // Propagate "show problem" event to parent component (my-variant)
76 bubbleUp: function(problem
) {
77 this.$emit('show-problem', JSON
.stringify(problem
));
79 fetchProblems: function(direction
) {
80 if (this.problems
.length
== 0)
81 return; //what could we do?!
82 // Search for newest date (or oldest)
83 let last_dt
= this.problems
[0].added
;
84 for (let i
=0; i
<this.problems
.length
; i
++)
86 if ((direction
== "forward" && this.problems
[i
].added
> last_dt
) ||
87 (direction
== "backward" && this.problems
[i
].added
< last_dt
))
89 last_dt
= this.problems
[i
].added
;
92 ajax("/problems/" + variant
, "GET", {
96 if (response
.problems
.length
> 0)
97 this.problems
= response
.problems
;
100 showNewproblemModal: function() {
101 document
.getElementById("modal-newproblem").checked
= true;
103 previewNewProblem: function() {
104 if (!V
.IsGoodFen(this.newProblem
.fen
))
105 return alert("Bad FEN string");
106 if (this.newProblem
.instructions
.length
== 0)
107 return alert("Empty instructions");
108 if (this.newProblem
.solution
.length
== 0)
109 return alert("Empty solution");
110 this.newProblem
.stage
= "preview";
112 sendNewProblem: function() {
113 // Send it to the server and close modal
114 ajax("/problems/" + variant
, "POST", {
115 fen: this.newProblem
.fen
,
116 instructions: this.newProblem
.instructions
,
117 solution: this.newProblem
.solution
,
119 this.newProblem
.added
= Date
.now();
120 this.problems
.push(JSON
.parse(JSON
.stringify(this.newProblem
)));
121 document
.getElementById("modal-newproblem").checked
= false;
122 this.newProblem
.stage
= "nothing";