Vue.component('my-problems', {
data: function () {
return {
- problems: problemArray, //initial value
- newProblem: {
+ userId: user.id,
+ problems: [], //oldest first
+ myProblems: [], //same, but only mine
+ singletons: [], //requested problems (using #num)
+ display: "others", //or "mine"
+ curProb: null, //(reference to) current displayed problem (if any)
+ showSolution: false,
+ pbNum: 0, //to navigate directly to some problem
+ // New problem (to upload), or existing problem to edit:
+ modalProb: {
+ id: 0, //defined if it's an edit
fen: "",
instructions: "",
solution: "",
- stage: "nothing", //or "preview" after new problem is filled
+ preview: false,
},
};
},
template: `
<div class="col-sm-12 col-md-10 col-md-offset-1 col-lg-8 col-lg-offset-2">
<div id="problemControls" class="button-group">
- <button aria-label="Load previous problems" class="tooltip"
- @click="fetchProblems('backward')">
+ <button :aria-label='translate("Previous problem(s)")' class="tooltip" @click="showNext('backward')">
<i class="material-icons">skip_previous</i>
</button>
- <button aria-label="Add a problem" class="tooltip"
- @click="showNewproblemModal">
- New
+ <button :aria-label='translate("Add a problem")' class="tooltip" onClick="doClick('modal-newproblem')">
+ {{ translate("New") }}
</button>
- <button aria-label="Load next problems" class="tooltip"
- @click="fetchProblems('forward')">
+ <button :aria-label='translate("Next problem(s)")' class="tooltip" @click="showNext('forward')">
<i class="material-icons">skip_next</i>
</button>
</div>
- <my-problem-summary v-on:show-problem="bubbleUp(p)"
- v-for="(p,idx) in sortedProblems"
- v-bind:prob="p" v-bind:preview="false" v-bind:key="idx">
+ <div id="mainBoard" v-show="!!curProb">
+ <div id="instructions-div" class="section-content">
+ <p id="problem-instructions">
+ {{ curProb.instructions }}
+ </p>
+ </div>
+ <my-game :fen="curProb.fen" :mode="analyze" :allowMovelist="true">
+ </my-board>
+ <div id="solution-div" class="section-content">
+ <h3 class="clickable" @click="showSolution = !showSolution">
+ {{ translations["Show solution"] }}
+ </h3>
+ <p id="problem-solution" v-show="showSolution">
+ {{ curProb.solution }}
+ </p>
+ </div>
+ <button @click="displayList()">
+ <span>Back to list display</span>
+ </button>
+ </div>
+ <div>
+ <input type="text" placeholder="Type problem number" v-model="pbNum"/>
+ <button @click="showProblem()">
+ <span>Show problem</span>
+ </button>
+ </div>
+ <button v-if="!!userId" @click="toggleListDisplay()">
+ <span>My problems (only)</span>
+ </button>
+ <my-problem-summary v-show="!curProb"
+ v-on:edit-problem="editProblem(p)" v-on:delete-problem="deleteProblem(p.id)"
+ v-for="p in curProblems" @click="curProb=p"
+ v-bind:prob="p" v-bind:userid="userId" v-bind:key="p.id">
</my-problem-summary>
- <input type="checkbox" id="modal-newproblem" class="modal">
- <div role="dialog" aria-labelledby="newProblemTxt">
- <div v-show="newProblem.stage=='nothing'" class="card newproblem-form">
- <label for="modal-newproblem" class="modal-close"></label>
- <h3 id="newProblemTxt">Add problem</h3>
- <form @submit.prevent="previewNewProblem">
+ <input type="checkbox" id="modal-newproblem" class="modal"/>
+ <div role="dialog" aria-labelledby="modalProblemTxt">
+ <div v-show="!modalProb.preview" class="card newproblem-form">
+ <label for="modal-newproblem" class="modal-close">
+ </label>
+ <h3 id="modalProblemTxt">
+ {{ translate("Add a problem") }}
+ </h3>
+ <form @submit.prevent="previewProblem()">
<fieldset>
- <label for="newpbFen">Fen</label>
- <input id="newpbFen" type="text" v-model="newProblem.fen"
- placeholder="Full FEN string"/>
+ <label for="newpbFen">FEN</label>
+ <input id="newpbFen" type="text" v-model="modalProb.fen"
+ :placeholder='translate("Full FEN description")'/>
</fieldset>
<fieldset>
- <p class="emphasis">Safe HTML tags allowed</p>
- <label for="newpbInstructions">Instructions</label>
- <textarea id="newpbInstructions" v-model="newProblem.instructions"
- placeholder="Explain the problem here"></textarea>
- <label for="newpbSolution">Solution</label>
- <textarea id="newpbSolution" v-model="newProblem.solution"
- placeholder="How to solve the problem?"></textarea>
- <button class="center-btn">Preview</button>
+ <p class="emphasis">
+ {{ translate("Safe HTML tags allowed") }}
+ </p>
+ <label for="newpbInstructions">
+ {{ translate("Instructions") }}
+ </label>
+ <textarea id="newpbInstructions" v-model="modalProb.instructions"
+ :placeholder='translate("Describe the problem goal")'>
+ </textarea>
+ <label for="newpbSolution">
+ {{ translate("Solution") }}
+ </label>
+ <textarea id="newpbSolution" v-model="modalProb.solution"
+ :placeholder='translate("How to solve the problem?")'>
+ </textarea>
+ <button class="center-btn">
+ {{ translate("Preview") }}
+ </button>
</fieldset>
</form>
</div>
- <div v-show="newProblem.stage=='preview'" class="card newproblem-preview">
- <label for="modal-newproblem" class="modal-close"></label>
- <my-problem-summary v-bind:prob="newProblem" v-bind:preview="true">
+ <div v-show="modalProb.preview" class="card newproblem-preview">
+ <label for="modal-newproblem" class="modal-close">
+ </label>
+ <my-problem-summary v-bind:prob="modalProb" v-bind:userid="userId">
</my-problem-summary>
<div class="button-group">
- <button @click="newProblem.stage='nothing'">Cancel</button>
- <button @click="sendNewProblem()">Send</button>
+ <button @click="modalProb.preview=false">
+ {{ translate("Cancel") }}
+ </button>
+ <button @click="sendProblem()">
+ {{ translate("Send") }}
+ </button>
</div>
</div>
</div>
+ <input id="modalNomore" type="checkbox" class="modal"/>
+ <div role="dialog" aria-labelledby="nomoreMessage">
+ <div class="card smallpad small-modal text-center">
+ <label for="modalNomore" class="modal-close"></label>
+ <h3 id="nomoreMessage" class="section">
+ {{ nomoreMessage }}
+ </h3>
+ </div>
+ </div>
</div>
`,
- computed: {
- sortedProblems: function() {
- // Newest problem first
- return this.problems.sort((p1,p2) => { return p2.added - p1.added; });
- },
+ created: function() {
+ // TODO: adapt this, #problems:28 ? (for example)
+ if (location.hash.length > 0)
+ this.showProblem(location.hash.slice(1));
+ else
+ this.firstFetch();
},
methods: {
- // Propagate "show problem" event to parent component (my-variant)
- bubbleUp: function(problem) {
- this.$emit('show-problem', JSON.stringify(problem));
+ firstFetch: function() {
+ // Fetch most recent problems from server, for both lists
+ this.fetchProblems("others", "bacwkard");
+ this.fetchProblems("mine", "bacwkard");
+ this.listsInitialized = true;
+ },
+ showProblem: function(num) {
+ const pid = num || this.pbNum;
+ location.hash = "#" + pid;
+ const pIdx = this.singletons.findIndex(p => p.id == pid);
+ if (pIdx >= 0)
+ curProb = this.singletons[pIdx];
+ else
+ {
+ // Cannot find problem in current set; get from server, and add to singletons.
+ ajax(
+ "/problems/" + variant.name + "/" + pid, //TODO: use variant._id ?
+ "GET",
+ response => {
+ if (!!response.problem)
+ {
+ this.singletons.push(response.problem);
+ this.curProb = response.problem;
+ }
+ else
+ this.noMoreProblems("Sorry, problem " + pid + " does not exist");
+ }
+ );
+ }
+ },
+ translate: function(text) {
+ return translations[text];
+ },
+ curProblems: function() {
+ switch (this.display)
+ {
+ case "others":
+ return this.problems;
+ case "mine":
+ return this.myProblems;
+ }
+ },
+ // TODO?: get 50 from server but only show 10 at a time (for example)
+ showNext: function(direction) {
+ if (!this.curProb)
+ return this.fetchProblems(this.display, direction);
+ // Show next problem (older or newer):
+ let curProbs = this.curProblems();
+ // Try to find a neighbour problem in the direction, among current set
+ const neighbor = this.findClosestNeighbor(this.curProb, curProbs, direction);
+ if (!!neighbor)
+ {
+ this.curProb = neighbor;
+ return;
+ }
+ // Boundary case: nothing in current set, need to fetch from server
+ const curSize = curProbs.length;
+ this.fetchProblems(this.display, direction);
+ const newSize = curProbs.length;
+ if (curSize == newSize) //no problems found
+ return this.noMoreProblems("No more problems in this direction");
+ // Ok, found something:
+ this.curProb = this.findClosestNeighbor(this.curProb, curProbs, direction);
},
- fetchProblems: function(direction) {
- if (this.problems.length == 0)
- return; //what could we do?!
- // Search for newest date (or oldest)
- let last_dt = this.problems[0].added;
- for (let i=0; i<this.problems.length; i++)
+ findClosestNeighbor: function(problem, probList, direction) {
+ let neighbor = undefined;
+ let smallestDistance = Number.MAX_SAFE_INTEGER;
+ for (let prob of probList)
{
- if ((direction == "forward" && this.problems[i].added > last_dt) ||
- (direction == "backward" && this.problems[i].added < last_dt))
+ const delta = Math.abs(prob.id - problem.id);
+ if (delta < smallestDistance &&
+ ((direction == "backward" && prob.id < problem.id)
+ || (direction == "forward" && prob.id > problem.id)))
{
- last_dt = this.problems[i].added;
+ neighbor = prob;
+ smallestDistance = delta;
}
}
- ajax("/problems/" + variant, "GET", {
- direction: direction,
- last_dt: last_dt,
- }, response => {
- if (response.problems.length > 0)
- this.problems = response.problems;
- });
+ return neighbor;
},
- showNewproblemModal: function() {
- document.getElementById("modal-newproblem").checked = true;
+ noMoreProblems: function(message) {
+ this.nomoreMessage = message;
+ let modalNomore = document.getElementById("modalNomore");
+ modalNomore.checked = true;
+ setTimeout(() => modalNomore.checked = false, 2000);
+ },
+ displayList: function() {
+ this.curProb = null;
+ location.hash = "";
+ // Fetch problems if first call (if #num, and then lists)
+ if (!this.listsInitialized)
+ this.firstFetch();
+ },
+ toggleListDisplay: function() {
+ this.display = (this.display == "others" ? "mine" : "others");
},
- previewNewProblem: function() {
+ fetchProblems: function(type, direction) {
+ let problems = (type == "others" ? this.problems : this.myProblems);
+ let last_dt = (direction=="forward" ? 0 : Number.MAX_SAFE_INTEGER);
+ if (this.problems.length > 0)
+ {
+ // Search for newest date (or oldest)
+ last_dt = problems[0].added;
+ for (let i=1; i<problems.length; i++)
+ {
+ if ((direction == "forward" && this.problems[i].added > last_dt) ||
+ (direction == "backward" && this.problems[i].added < last_dt))
+ {
+ last_dt = this.problems[i].added;
+ }
+ }
+ }
+ ajax(
+ "/problems/" + variant.name, //TODO: use variant._id ?
+ "GET",
+ {
+ type: type,
+ direction: direction,
+ last_dt: last_dt,
+ },
+ response => {
+ if (response.problems.length > 0)
+ {
+ Array.prototype.push.apply(problems,
+ response.problems.sort((p1,p2) => { return p1.added - p2.added; }));
+ // If one list is empty but not the other, show the non-empty
+ const otherArray = (type == "mine" ? this.problems : this.myProblems);
+ if (problems.length > 0 && otherArray.length == 0)
+ this.display = type;
+ }
+ }
+ );
+ },
+ previewProblem: function() {
if (!V.IsGoodFen(this.newProblem.fen))
- return alert("Bad FEN string");
- if (this.newProblem.instructions.length == 0)
- return alert("Empty instructions");
- if (this.newProblem.solution.length == 0)
- return alert("Empty solution");
- this.newProblem.stage = "preview";
+ return alert(translations["Bad FEN description"]);
+ if (this.newProblem.instructions.trim().length == 0)
+ return alert(translations["Empty instructions"]);
+ if (this.newProblem.solution.trim().length == 0)
+ return alert(translations["Empty solution"]);
+ this.modalProb.preview = true;
+ },
+ editProblem: function(prob) {
+ this.modalProb = prob;
+ document.getElementById("modal-newproblem").checked = true;
+ },
+ deleteProblem: function(pid) {
+ ajax(
+ "/problems/" + variant.name + "/" + pid, //TODO: with variant.id ?
+ "DELETE",
+ response => {
+ // Delete problem from the list on client side
+ let problems = this.curProblems();
+ const pIdx = problems.findIndex(p => p.id == pid);
+ problems.splice(pIdx, 1);
+ }
+ );
},
- sendNewProblem: function() {
+ sendProblem: function() {
// Send it to the server and close modal
- ajax("/problems/" + variant, "POST", {
- fen: this.newProblem.fen,
- instructions: this.newProblem.instructions,
- solution: this.newProblem.solution,
- }, response => {
- this.newProblem.added = Date.now();
- this.problems.push(JSON.parse(JSON.stringify(this.newProblem)));
- document.getElementById("modal-newproblem").checked = false;
- this.newProblem.stage = "nothing";
- });
+ ajax(
+ "/problems/" + variant.name, //TODO: with variant.id ?
+ (this.modalProb.id > 0 ? "PUT" : "POST"),
+ this.modalProb,
+ response => {
+ document.getElementById("modal-newproblem").checked = false;
+ if (this.modalProb.id == 0)
+ {
+ this.modalProb.added = Date.now();
+ this.modalProb.preview = false;
+ this.myProblems.push(JSON.parse(JSON.stringify(this.modalProb)));
+ }
+ else
+ this.modalProb.id = 0;
+ }
+ );
},
},
})