446 lines
15 KiB
JavaScript
446 lines
15 KiB
JavaScript
/* -*- mode: javascript -*-
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*
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* ScoDoc: Affectation des groupes de TD
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* re-ecriture utilisant jQuery de l'ancien code
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*/
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/* --- Globals ---- */
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var EtudColors = [ "#E8EEF7", "#ffffff" ]; // [ "#E8EEF7", "#E0ECFF", "#E5E6BE", "#F3EAE2", "#E3EAE1" ];
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var EtudColorsIdx = 0;
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var NbEtuds = 0;
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var ETUDS = new Object(); // { etudid : etud }
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var ETUD_GROUP = new Object(); // { etudid : group_id }
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var groups_unsaved = false;
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var groups = new Object(); // Liste des groupes
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function loadGroupes() {
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$("#gmsg")[0].innerHTML = 'Chargement des groupes en cours...';
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var partition_id = document.formGroup.partition_id.value;
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$.get('XMLgetGroupsInPartition', { partition_id : partition_id } )
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.done(
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function( data ) {
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var nodes = data.getElementsByTagName('group');
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if (nodes) {
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var nbgroups = nodes.length;
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// put last group at first (etudiants sans groupes)
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if (nodes.length > 1 && nodes[nbgroups-1].attributes.getNamedItem("group_id").value == '_none_') {
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populateGroup(nodes[nodes.length-1]);
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nbgroups -= 1;
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}
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// then standard groups
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for (var i=0; i < nbgroups; i++) {
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populateGroup(nodes[i]);
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}
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}
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$("#gmsg")[0].innerHTML = '';
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updateginfo();
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}
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)
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}
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function populateGroup( node ) {
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var group_id = node.attributes.getNamedItem("group_id").value;
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var group_name = node.attributes.getNamedItem("group_name").value;
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// CREE LA BOITE POUR CE GROUPE
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if (group_id) {
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var gbox = new CGroupBox( group_id, group_name );
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var etuds = node.getElementsByTagName('etud');
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var x='';
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gbox.sorting = false; // disable to speedup
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EtudColorsIdx = 0; // repart de la premiere couleur
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for (var j=0; j < etuds.length; j++) {
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var nom = etuds[j].attributes.getNamedItem("nom").value;
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var prenom = etuds[j].attributes.getNamedItem("prenom").value;
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var sexe = etuds[j].attributes.getNamedItem("sexe").value;
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var etudid = etuds[j].attributes.getNamedItem("etudid").value;
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var origin = etuds[j].attributes.getNamedItem("origin").value;
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var etud = new CDraggableEtud( nom, prenom, sexe, origin, etudid );
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gbox.createEtudInGroup(etud, group_id);
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}
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gbox.sorting = true;
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gbox.updateTitle(); // sort
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}
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}
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/* --- Boite pour un groupe --- */
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var groupBoxes = new Object(); // assoc group_id : groupBox
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var groupsToDelete = new Object(); // list of group_id to be supressed
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var CGroupBox = function(group_id, group_name) {
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group_id = $.trim(group_id);
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var regex = /^\w+$/;
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if (! regex.test(group_id) ) {
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alert("Id de groupe invalide");
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return;
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}
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if ( group_id in groups ) {
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alert("Le groupe " + group_id + " existe déjà !");
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return;
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}
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groups[group_id] = 1;
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this.group_id = group_id;
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this.group_name = group_name;
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this.etuds = new Object();
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this.nbetuds = 0;
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this.isNew = false; // true for newly user-created groups
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this.sorting = true; // false to disable sorting
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this.groupBox = document.createElement("div");
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this.groupBox.className = "simpleDropPanel";
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this.groupBox.id = group_id;
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var titleDiv = document.createElement("div");
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titleDiv.className = "groupTitle0";
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titleDiv.appendChild(this.groupTitle());
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this.groupBox.appendChild(titleDiv);
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var gdiv = document.getElementById('groups');
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gdiv.appendChild(this.groupBox);
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this.updateTitle();
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$(this.groupBox).droppable(
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{
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accept : ".box",
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activeClass: "activatedPanel",
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drop: function( event, ui ) {
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// alert("drop on " + this.group_name);
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var etudid = ui.draggable[0].id;
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var etud = ETUDS[etudid];
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var newGroupName = this.id;
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var oldGroupName = ETUD_GROUP[etudid];
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$(groupBoxes[newGroupName].groupBox).append(ui.draggable)
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ui.draggable[0].style.left = ""; // fix style (?)
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ui.draggable[0].style.top = "";
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etud.changeGroup(oldGroupName, newGroupName);
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etud.htmlElement.style.fontStyle = 'italic'; // italic pour les etudiants deplaces
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}
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});
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/* On peut s'amuser a deplacer tout un groupe (visuellement: pas droppable) */
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$(this.groupBox).draggable( {
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cursor: 'move',
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containment: '#groups'
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});
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groupBoxes[group_id] = this; // register
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updateginfo();
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}
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$.extend(CGroupBox.prototype, {
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// menu for group title
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groupTitle : function() {
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var menuSpan = document.createElement("span");
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menuSpan.className = "barrenav";
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var h = "<table><tr><td><ul class=\"nav\"><li onmouseover=\"MenuDisplay(this)\" onmouseout=\"MenuHide(this)\"><a href=\"#\" class=\"menu custommenu\"><span id=\"titleSpan" + this.group_id + "\" class=\"groupTitle\">menu</span></a><ul>";
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if (this.group_id != '_none_') {
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h += "<li><a href=\"#\" onClick=\"suppressGroup('" + this.group_id + "');\">Supprimer</a></li>";
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h += "<li><a href=\"#\" onClick=\"renameGroup('" + this.group_id + "');\">Renommer</a></li>";
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}
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h += "</ul></li></ul></td></tr></table>";
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menuSpan.innerHTML = h;
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return menuSpan;
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},
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// add etud to group, attach to DOM
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createEtudInGroup: function(etud) {
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this.addEtudToGroup(etud);
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this.groupBox.appendChild(etud.htmlElement);
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},
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// add existing etud to group (does not affect DOM)
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addEtudToGroup: function(etud) {
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etud.group_id = this.group_id;
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this.etuds[etud.etudid] = etud;
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this.nbetuds++;
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ETUD_GROUP[etud.etudid] = this.group_id;
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this.updateTitle();
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},
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// remove etud
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removeEtud: function(etud) {
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delete this.etuds[etud.etudid];
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this.nbetuds--;
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this.updateTitle();
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},
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// Update counter display
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updateTitle: function() {
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var tclass = '';
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if (this.isNew) {
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tclass = ' class="newgroup"'
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}
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var titleSpan = document.getElementById('titleSpan'+this.group_id);
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if (this.group_id != '_none_')
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titleSpan.innerHTML = '<span'+tclass+'>Groupe ' + this.group_name + ' (' + this.nbetuds + ')</span>';
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else
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titleSpan.innerHTML = '<span'+tclass+'>Etudiants sans groupe' + ' (' + this.nbetuds + ')</span>';
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this.sortList(); // maintient toujours la liste triee
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},
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// Tri de la boite par nom
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sortList: function() {
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if (!this.sorting)
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return;
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var newRows = new Array();
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for (var i=1; i < this.groupBox.childNodes.length; i++) { // 1 car div titre
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newRows[i-1] = this.groupBox.childNodes[i];
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}
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var sortfn = function(a,b) {
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// recupere les noms qui sont dans un span
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var nom_a = a.childNodes[1].childNodes[0].nodeValue;
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var nom_b = b.childNodes[1].childNodes[0].nodeValue;
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// console.log( 'comp( %s, %s )', nom_a, nom_b );
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if (nom_a == nom_b)
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return 0;
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if (nom_a < nom_b)
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return -1;
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return 1;
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};
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newRows.sort(sortfn);
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for (var i=0;i<newRows.length;i++) {
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this.groupBox.appendChild(newRows[i]);
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newRows[i].style.backgroundColor = EtudColors[EtudColorsIdx];
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EtudColorsIdx = (EtudColorsIdx + 1) % EtudColors.length;
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}
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}
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});
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function suppressGroup( group_id ) {
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// 1- associate all members to group _none_
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if (!groupBoxes['_none_']) {
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// create group _none_
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var gbox = new CGroupBox( '_none_', 'Etudiants sans groupe' );
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}
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var dst_group_id = groupBoxes['_none_'].group_id;
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var src_box_etuds = groupBoxes[group_id].etuds;
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for (var etudid in src_box_etuds) {
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var etud = src_box_etuds[etudid];
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etud.changeGroup(group_id, dst_group_id);
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groupBoxes['_none_'].groupBox.appendChild(etud.htmlElement);
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}
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groupBoxes['_none_'].updateTitle();
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// 2- add group to list of groups to be removed (unless it's a new group)
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if (!groupBoxes[group_id].isNew)
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groupsToDelete[group_id] = true;
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// 3- delete objects and remove from DOM
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var div = document.getElementById(group_id);
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div.remove();
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delete groupBoxes[group_id];
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groups_unsaved = true;
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updateginfo();
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}
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function renameGroup( group_id ) {
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// 1-- save modifications
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if (groups_unsaved) {
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alert("Enregistrez ou annulez vos changement avant !");
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} else {
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// 2- form rename
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document.location='group_rename?group_id=' + group_id;
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}
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}
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var createdGroupId = 0;
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function newGroupId() {
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var gid;
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do {
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gid = 'NG' + createdGroupId.toString();
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createdGroupId += 1;
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} while (gid in groupBoxes);
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return gid;
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}
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// Creation d'un groupe
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function createGroup() {
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var group_name = document.formGroup.groupName.value.trim();
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if (!group_name) {
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alert("Nom de groupe vide !");
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return false;
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}
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// check name:
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for (var group_id in groupBoxes) {
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if (group_id != 'extend') {
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if (groupBoxes[group_id].group_name == group_name) {
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alert("Nom de groupe déja existant !");
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return false;
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}
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}
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}
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var group_id = newGroupId();
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groups_unsaved = true;
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var gbox = new CGroupBox( group_id, group_name );
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gbox.isNew = true;
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gbox.updateTitle();
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return true;
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}
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/* --- Etudiant draggable --- */
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var CDraggableEtud = function(nom, prenom, sexe, origin, etudid) {
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this.type = 'Custom';
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this.name = etudid;
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this.etudid = etudid;
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this.nom = nom;
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this.prenom = prenom;
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this.sexe = sexe;
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this.origin = origin;
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this.createNode();
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ETUDS[etudid] = this;
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NbEtuds ++;
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}
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$.extend(CDraggableEtud.prototype, {
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repr: function() {
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return this.sexe + ' ' + this.prenom + ' <span class="nom">' + this.nom + '</span> ' + '<b>'+this.origin+'</b>';
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},
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createNode: function() {
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// Create DOM element for student
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var e = document.createElement("div");
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this.htmlElement = e;
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e.className = "box";
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e.id = this.etudid;
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// e.style.backgroundColor = EtudColors[EtudColorsIdx];
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// EtudColorsIdx = (EtudColorsIdx + 1) % EtudColors.length;
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//var txtNode = document.createTextNode( this.repr() );
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//e.appendChild(txtNode);
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e.innerHTML = this.repr();
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// declare as draggable
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$(e).draggable( {
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cursor: 'move',
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stack: '#groups div',
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containment: '#groups',
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revert: 'invalid'
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});
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},
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endDrag: function() {
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var el = this.htmlElement;
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var p = el.parentNode;
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// alert("endDrag: [" + this.name +"] " + p.id );
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this.changeGroup( this.group_id, p.id );
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this.htmlElement.style.fontStyle = 'italic'; // italic pour les etudiants deplaces
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},
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// Move a student from a group to another
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changeGroup: function( oldGroupName, newGroupName ) {
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if (oldGroupName==newGroupName) {
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// drop on original group, just sort
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groupBoxes[oldGroupName].updateTitle();
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return;
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}
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var oldGroupBox = null;
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if (oldGroupName) {
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oldGroupBox = groupBoxes[oldGroupName];
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}
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var newGroupBox = groupBoxes[newGroupName];
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newGroupBox.addEtudToGroup(this);
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if (oldGroupBox)
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oldGroupBox.removeEtud(this);
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groups_unsaved = true;
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updatesavedinfo();
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}
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});
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/* --- Upload du resultat --- */
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function processResponse(value) {
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location.reload(); // necessaire pour reinitialiser les id des groupes créés
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}
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function handleError( msg ) {
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alert( 'Error: ' + msg );
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console.log( 'Error: ' + msg );
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}
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function submitGroups() {
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var url = 'setGroups';
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// build post request body: groupname \n etudid; ...
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var groupsLists = '';
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var groupsToCreate='';
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for (var group_id in groupBoxes) {
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if (group_id != 'extend') { // je ne sais pas ce dont il s'agit ???
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if (group_id != '_none_') { // ne renvoie pas le groupe des sans-groupes
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groupBox = groupBoxes[group_id];
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if (groupBox.isNew) {
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groupsToCreate += groupBox.group_name + ';';
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for (var etudid in groupBox.etuds) {
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if (etudid != 'extend')
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groupsToCreate += etudid + ';';
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}
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groupsToCreate += '\n';
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groupBox.isNew = false; // is no more new !
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} else {
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groupsLists += group_id + ';';
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for (var etudid in groupBox.etuds) {
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if (etudid != 'extend')
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groupsLists += etudid + ';';
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}
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groupsLists += '\n';
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}
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}
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}
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}
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var todel = '';
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for (var group_id in groupsToDelete) {
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todel += group_id + ';';
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}
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groupsToDelete = new Object(); // empty
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var partition_id = document.formGroup.partition_id.value;
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// Send to server
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$.get( url, {
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groupsLists : groupsLists, // encodeURIComponent
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partition_id : partition_id,
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groupsToDelete : todel,
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groupsToCreate : groupsToCreate
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})
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.done( function (data) {
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processResponse(data);
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})
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.fail(function() {
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handleError("Erreur lors de l'enregistrement de groupes");
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});
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}
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// Move to another partition (specified by menu)
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function GotoAnother() {
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if (groups_unsaved) {
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alert("Enregistrez ou annulez vos changement avant !");
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} else
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document.location='affectGroups?partition_id='+document.formGroup.other_partition_id.value;
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}
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// Boite information haut de page
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function updateginfo() {
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var g = document.getElementById('ginfo');
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var group_names = new Array();
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for (var group_id in groupBoxes) {
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if ((group_id != 'extend') && (groupBoxes[group_id].group_name)){
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group_names.push(groupBoxes[group_id].group_name);
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}
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}
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g.innerHTML = '<b>Groupes définis: ' + group_names.join(', ') + '<br/>'
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+ "Nombre d'etudiants: " + NbEtuds + '</b>';
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updatesavedinfo();
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}
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// Boite indiquant si modifications non enregistrees ou non
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function updatesavedinfo() {
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var g = document.getElementById('savedinfo');
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if (groups_unsaved) {
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g.innerHTML = 'modifications non enregistrées';
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g.style.visibility='visible';
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} else {
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g.innerHTML = '';
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g.style.visibility='hidden';
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}
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return true;
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}
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$(function() {
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loadGroupes();
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});
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/* debug:
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var g = new CGroupBox('G0', 'Toto');
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*/ |