1 Vue
.component('my-problems', {
5 problems: [], //oldest first
6 myProblems: [], //same, but only mine
7 singletons: [], //requested problems (using #num)
8 display: "others", //or "mine"
9 curProb: null, //(reference to) current displayed problem (if any)
11 pbNum: 0, //to navigate directly to some problem
12 // New problem (to upload), or existing problem to edit:
14 id: 0, //defined if it's an edit
23 <div class="col-sm-12 col-md-10 col-md-offset-1 col-lg-8 col-lg-offset-2">
24 <div id="problemControls" class="button-group">
25 <button :aria-label='translate("Previous problem(s)")' class="tooltip" @click="showNext('backward')">
26 <i class="material-icons">skip_previous</i>
28 <button :aria-label='translate("Add a problem")' class="tooltip" onClick="doClick('modal-newproblem')">
29 {{ translate("New") }}
31 <button :aria-label='translate("Next problem(s)")' class="tooltip" @click="showNext('forward')">
32 <i class="material-icons">skip_next</i>
35 <div id="mainBoard" v-show="!!curProb">
36 <div id="instructions-div" class="section-content">
37 <p id="problem-instructions">
38 {{ curProb.instructions }}
41 <my-game :fen="curProb.fen" :mode="analyze" :allowMovelist="true">
43 <div id="solution-div" class="section-content">
44 <h3 class="clickable" @click="showSolution = !showSolution">
45 {{ translations["Show solution"] }}
47 <p id="problem-solution" v-show="showSolution">
48 {{ curProb.solution }}
51 <button @click="displayList()">
52 <span>Back to list display</span>
56 <input type="text" placeholder="Type problem number" v-model="pbNum"/>
57 <button @click="showProblem()">
58 <span>Show problem</span>
61 <button v-if="!!userId" @click="toggleListDisplay()">
62 <span>My problems (only)</span>
64 <my-problem-summary v-show="!curProb"
65 v-on:edit-problem="editProblem(p)" v-on:delete-problem="deleteProblem(p.id)"
66 v-for="p in curProblems" @click="curProb=p"
67 v-bind:prob="p" v-bind:userid="userId" v-bind:key="p.id">
69 <input type="checkbox" id="modal-newproblem" class="modal"/>
70 <div role="dialog" aria-labelledby="modalProblemTxt">
71 <div v-show="!modalProb.preview" class="card newproblem-form">
72 <label for="modal-newproblem" class="modal-close">
74 <h3 id="modalProblemTxt">
75 {{ translate("Add a problem") }}
77 <form @submit.prevent="previewProblem()">
79 <label for="newpbFen">FEN</label>
80 <input id="newpbFen" type="text" v-model="modalProb.fen"
81 :placeholder='translate("Full FEN description")'/>
85 {{ translate("Safe HTML tags allowed") }}
87 <label for="newpbInstructions">
88 {{ translate("Instructions") }}
90 <textarea id="newpbInstructions" v-model="modalProb.instructions"
91 :placeholder='translate("Describe the problem goal")'>
93 <label for="newpbSolution">
94 {{ translate("Solution") }}
96 <textarea id="newpbSolution" v-model="modalProb.solution"
97 :placeholder='translate("How to solve the problem?")'>
99 <button class="center-btn">
100 {{ translate("Preview") }}
105 <div v-show="modalProb.preview" class="card newproblem-preview">
106 <label for="modal-newproblem" class="modal-close">
108 <my-problem-summary v-bind:prob="modalProb" v-bind:userid="userId">
109 </my-problem-summary>
110 <div class="button-group">
111 <button @click="modalProb.preview=false">
112 {{ translate("Cancel") }}
114 <button @click="sendProblem()">
115 {{ translate("Send") }}
120 <input id="modalNomore" type="checkbox" class="modal"/>
121 <div role="dialog" aria-labelledby="nomoreMessage">
122 <div class="card smallpad small-modal text-center">
123 <label for="modalNomore" class="modal-close"></label>
124 <h3 id="nomoreMessage" class="section">
131 created: function() {
132 if (location
.hash
.length
> 0)
133 this.showProblem(location
.hash
.slice(1));
138 firstFetch: function() {
139 // Fetch most recent problems from server, for both lists
140 this.fetchProblems("others", "bacwkard");
141 this.fetchProblems("mine", "bacwkard");
142 this.listsInitialized
= true;
144 showProblem: function(num
) {
145 const pid
= num
|| this.pbNum
;
146 location
.hash
= "#" + pid
;
147 const pIdx
= this.singletons
.findIndex(p
=> p
.id
== pid
);
149 curProb
= this.singletons
[pIdx
];
152 // Cannot find problem in current set; get from server, and add to singletons.
154 "/problems/" + variant
.name
+ "/" + pid
, //TODO: use variant._id ?
157 if (!!response
.problem
)
159 this.singletons
.push(response
.problem
);
160 this.curProb
= response
.problem
;
163 this.noMoreProblems("Sorry, problem " + pid
+ " does not exist");
168 translate: function(text
) {
169 return translations
[text
];
171 curProblems: function() {
172 switch (this.display
)
175 return this.problems
;
177 return this.myProblems
;
180 // TODO?: get 50 from server but only show 10 at a time (for example)
181 showNext: function(direction
) {
183 return this.fetchProblems(this.display
, direction
);
184 // Show next problem (older or newer):
185 let curProbs
= this.curProblems();
186 // Try to find a neighbour problem in the direction, among current set
187 const neighbor
= this.findClosestNeighbor(this.curProb
, curProbs
, direction
);
190 this.curProb
= neighbor
;
193 // Boundary case: nothing in current set, need to fetch from server
194 const curSize
= curProbs
.length
;
195 this.fetchProblems(this.display
, direction
);
196 const newSize
= curProbs
.length
;
197 if (curSize
== newSize
) //no problems found
198 return this.noMoreProblems("No more problems in this direction");
199 // Ok, found something:
200 this.curProb
= this.findClosestNeighbor(this.curProb
, curProbs
, direction
);
202 findClosestNeighbor: function(problem
, probList
, direction
) {
203 let neighbor
= undefined;
204 let smallestDistance
= Number
.MAX_SAFE_INTEGER
;
205 for (let prob
of probList
)
207 const delta
= Math
.abs(prob
.id
- problem
.id
);
208 if (delta
< smallestDistance
&&
209 ((direction
== "backward" && prob
.id
< problem
.id
)
210 || (direction
== "forward" && prob
.id
> problem
.id
)))
213 smallestDistance
= delta
;
218 noMoreProblems: function(message
) {
219 this.nomoreMessage
= message
;
220 let modalNomore
= document
.getElementById("modalNomore");
221 modalNomore
.checked
= true;
222 setTimeout(() => modalNomore
.checked
= false, 2000);
224 displayList: function() {
227 // Fetch problems if first call (if #num, and then lists)
228 if (!this.listsInitialized
)
231 toggleListDisplay: function() {
232 this.display
= (this.display
== "others" ? "mine" : "others");
234 fetchProblems: function(type
, direction
) {
235 let problems
= (type
== "others" ? this.problems : this.myProblems
);
236 let last_dt
= (direction
=="forward" ? 0 : Number
.MAX_SAFE_INTEGER
);
237 if (this.problems
.length
> 0)
239 // Search for newest date (or oldest)
240 last_dt
= problems
[0].added
;
241 for (let i
=1; i
<problems
.length
; i
++)
243 if ((direction
== "forward" && this.problems
[i
].added
> last_dt
) ||
244 (direction
== "backward" && this.problems
[i
].added
< last_dt
))
246 last_dt
= this.problems
[i
].added
;
251 "/problems/" + variant
.name
, //TODO: use variant._id ?
255 direction: direction
,
259 if (response
.problems
.length
> 0)
261 Array
.prototype.push
.apply(problems
,
262 response
.problems
.sort((p1
,p2
) => { return p1
.added
- p2
.added
; }));
263 // If one list is empty but not the other, show the non-empty
264 const otherArray
= (type
== "mine" ? this.problems : this.myProblems
);
265 if (problems
.length
> 0 && otherArray
.length
== 0)
271 previewProblem: function() {
272 if (!V
.IsGoodFen(this.newProblem
.fen
))
273 return alert(translations
["Bad FEN description"]);
274 if (this.newProblem
.instructions
.trim().length
== 0)
275 return alert(translations
["Empty instructions"]);
276 if (this.newProblem
.solution
.trim().length
== 0)
277 return alert(translations
["Empty solution"]);
278 this.modalProb
.preview
= true;
280 editProblem: function(prob
) {
281 this.modalProb
= prob
;
282 document
.getElementById("modal-newproblem").checked
= true;
284 deleteProblem: function(pid
) {
286 "/problems/" + variant
.name
+ "/" + pid
, //TODO: with variant.id ?
289 // Delete problem from the list on client side
290 let problems
= this.curProblems();
291 const pIdx
= problems
.findIndex(p
=> p
.id
== pid
);
292 problems
.splice(pIdx
, 1);
296 sendProblem: function() {
297 // Send it to the server and close modal
299 "/problems/" + variant
.name
, //TODO: with variant.id ?
300 (this.modalProb
.id
> 0 ? "PUT" : "POST"),
303 document
.getElementById("modal-newproblem").checked
= false;
304 if (this.modalProb
.id
== 0)
306 this.modalProb
.added
= Date
.now();
307 this.modalProb
.preview
= false;
308 this.myProblems
.push(JSON
.parse(JSON
.stringify(this.modalProb
)));
311 this.modalProb
.id
= 0;