Proyectos de Subversion Moodle

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Rev 739 | Ir a la última revisión | Autoría | Comparar con el anterior | Ultima modificación | Ver Log |

define(['jquery', 'core/yui', 'core/str', 'core/config', 'core/notification', 'core/modal_factory'], function($, Y, str, config, notification, ModalFactory) {
    var CONFIG;
    var NODES = {        
        DELETE_ICON: '<span class="delete">&#x274C;</span>',
    };
    var SELECTORS = {
        cesa_notes_BASE: '#cesa_notes_base',
        cesa_notes_OPENER: '.cesa_notes-opener',
        cesa_notes_LISTS: '.cesa_notes_list',
    };
    var CSS = {
        cesa_notes_BASE: 'cesa_notes_base',
        cesa_notes_OPENER: 'cesa_notes-opener',
        cesa_notes_LISTS: 'cesa_notes_list',
    };
    var panel = null;
    var initnotes = null;
    var strdeletenote = M.util.get_string('deletecesa_notes', 'block_cesa_notes');
    
    var getcesa_notesValidatedUrl = function(baseurl) {
        var a = document.createElement('a');
        a.href = baseurl;
        return (a.search.length > 0) ? baseurl : baseurl + '?';
    };
    
    var cesa_notes = { /** @alias module:blocks/cesa_notes */
        
        getcesa_notesValidatedUrl: function(baseurl) {
            var a = document.createElement('a');
            a.href = baseurl;
            return (a.search.length > 0) ? baseurl : baseurl + '?';
        },
        /*
         * Validation for textarea input text
         */
        getWarnings: function(status) {
            if (status == false) {                
                $('#addmynote-label-' + CONFIG.instanceid + '  span.warning').html(CONFIG.maxallowedcharacters_warning);
            } else {
                var ta = $('#id_mynotecontent-' + CONFIG.instanceid);
                if (ta.val() == '') {
                    $('#addmynote-label-' + CONFIG.instanceid + '  span.warning').html('');
                } else {
                    var cl = CONFIG.maxallowedcharacters - ta.val().length;
                    $('#addmynote-label-' + CONFIG.instanceid + '  span.warning').html(M.util.get_string('charactersleft', 'block_cesa_notes') + cl);
                }
            }
        },
        checkInputText: function() {
            var ta = $('#id_mynotecontent-' + CONFIG.instanceid);
            if (ta.val().length <= CONFIG.maxallowedcharacters) {
                $('#addmynote_submit').removeAttr('disabled', '');
                return true;
            } else {
                $('#addmynote_submit').attr('disabled', 'disabled');
                return false;
            }
            return true;
        },
        toggle_textarea: function(e) {
            var ta = $('#id_mynotecontent-' + CONFIG.instanceid);
            
            if (!ta) {
                return false;
            }
            var focus = (e.type == 'focusin');
            if (focus) {
                if (ta.val() == M.util.get_string('placeholdercontent', 'block_cesa_notes')) {
                    ta.val('');
                    $('.textarea').css('border-color', 'black');
                }
            } else{
                if (ta.val() == '') {
                    ta.val(M.util.get_string('placeholdercontent', 'block_cesa_notes'));
                    $('.textarea').css('border-color', 'gray');
                    $('#addmynote-label-' + CONFIG.instanceid + '  span.warning').html('');
                }
            }
        },
        request: function(args) {
            var params = {};  
            var scope = this;
            if (args['scope']) {
                scope = args['scope'];
            }
            params['contextarea'] = scope.currenttab.replace(CONFIG.prefix, '');
            params['contextarea'] = params['contextarea'].replace('#', '');
            if (args.params) {
                for (i in args.params) {
                    params[i] = args.params[i];
                }
            }
            params['sesskey']   = M.cfg.sesskey;
            
            var cfg = {
                method: 'POST',
                on: {
                    start: function() {
                        //'<div class="mdl-align"><img src="'+M.util.image_url('i/loading', 'core')+'" /></div>';
                    },
                    complete: function(id,o,p) {
                        if (!o) {
                            alert('IO FATAL');
                            return false;
                        }
                        var data = Y.JSON.parse(o.responseText);
                        if (data.error) {
                            if (data.error == 'require_login') {
                                args.callback(id,data,p);
                                return true;
                            }
                            alert(data.error);
                            return false;
                        } else {
                            args.callback(id,data,p);
                            return true;
                        }
                    }
                },
                arguments: {
                    scope: scope
                },
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
                },
                data: build_querystring(params)
            };
            if (args.form) {
                cfg.form = args.form;
            }
            Y.io(this.api, cfg);
        },

        printcesa_notes: function(e) {
            e.preventDefault();
            let note_content_input = $('#id_mynotecontent-' + CONFIG.instanceid);;
            let arg = {
                action: 'print'
            }

            note_content_input.attr('disabled', true);
            note_content_input.css({
                'backgroundImage': 'url(' + M.util.image_url('i/loading_small', 'core') + ')',
                'backgroundRepeat': 'no-repeat',
                'backgroundPosition': 'center center'
            });

            this.request({
                params: arg,
                callback: function(id, ret, args) {
                    $('#id_mynotecontent-' + CONFIG.instanceid).removeAttr('disabled');
                    $('#id_mynotecontent-' + CONFIG.instanceid).css({backgroundImage: ''});
                }
            });
        },

        savecesa_notes: function(e) {
            e.preventDefault();
            var scope = this;
            
            if (scope.checkInputText() == false) {
                return false;
            }
            var ta = $('#id_mynotecontent-' + CONFIG.instanceid);
            if (ta.val() == "" || ta.val() == M.util.get_string('placeholdercontent', 'block_cesa_notes')) {
                return false;
            }
            let editingNoteId = ta.attr('data-editnoteid') ? ta.attr('data-editnoteid').replace('mynote-'+ CONFIG.instanceid + '-', '') : false;

            var arg = {
                contextid: CONFIG.contextid,
                content: ta.val(),
                action: editingNoteId? 'edit': 'add',
                contextarea: scope.currenttabindex,
                noteurl: window.location.href,
                noteToEditIt: editingNoteId
            };

            ta.attr('disabled', true);
            ta.css({
                'backgroundImage': 'url(' + M.util.image_url('i/loading_small', 'core') + ')',
                'backgroundRepeat': 'no-repeat',
                'backgroundPosition': 'center center'
            });
            this.request({
                    params: arg, 
                    callback: function(id, ret, args) {
                        if (!ret.notes) {
                            return false;
                        }

                        $('#addmynote-label-' + CONFIG.instanceid + '  span.warning').html('');
                        $('#id_mynotecontent-' + CONFIG.instanceid).val(M.util.get_string('placeholdercontent', 'block_cesa_notes')); 
                        $('#id_mynotecontent-' + CONFIG.instanceid).removeAttr('disabled');
                        $('#id_mynotecontent-' + CONFIG.instanceid).css({backgroundImage: ''});
                        if (scope.currenttab != scope.defaulttab) {
                            scope.currenttab = scope.defaulttab;
                            var tab = scope.currenttab.replace('#', '#tab-');
                            $(SELECTORS.cesa_notes_BASE + ' ul.tabs-menu li').removeClass("current");
                            $(SELECTORS.cesa_notes_BASE + ' ' + tab).addClass('current');
                            $(SELECTORS.cesa_notes_BASE + ' .tab-content').has(scope.currenttab).addClass('current');        
                            $(SELECTORS.cesa_notes_BASE + ' .tab-content').not(scope.currenttab).css("display", "none");
                            $(SELECTORS.cesa_notes_BASE + ' ' + scope.currenttab + '.tab-content').css("display", "block");
                        }
                        scope.addToList(ret, 'add');
                        scope.displaycesa_notes();
                        $(SELECTORS.cesa_notes_BASE).find('.responsetext').html(M.util.get_string('savedsuccess', 'block_cesa_notes'));                        
                        $('#id_mynotecontent-' + CONFIG.instanceid).removeAttr('data-editnoteid');
                        
                        $('.j-delete-cesa-note').removeClass('show_delete_note_btn'); 
                    }
                }
            );
        },
        addToList: function(notesobj, action='') {
            var scope = this;
            var el = $(SELECTORS.cesa_notes_BASE).find(scope.currenttab + '-list');
            console.log(el);
            if (action == 'add') {
                console.log(notesobj.notes)
                el.prepend(scope.rendercesa_notes(notesobj.notes));
            } else {
                el.append(scope.rendercesa_notes(notesobj.notes));
                $(el).find('li').sort(sort_li) // sort elements
                  .appendTo(el); // append again to the list
                // sort function callback
                function sort_li(a, b){
                    return ($(b).data('itemid')) > ($(a).data('itemid')) ? 1 : -1;    
                }
            }
            $(SELECTORS.cesa_notes_BASE).find(scope.currenttab).attr('notes-count', notesobj.count);
        },        
        getcesa_notes: function(page=0) {
            var scope = this;
            page = parseInt(page);
            var el = $(SELECTORS.cesa_notes_BASE).find(scope.currenttab + '-list');
            var notescount = el.find('li').length;
            var lastpage = Math.ceil(notescount / CONFIG.perpage);
            if (notescount > 0 && lastpage > page) {
                scope.displaycesa_notes();
                return false;
            }           
            var arg = {           
                contextid: CONFIG.contextid,
                action: 'get',
                page: page,
            };            
            this.request({
                params: arg, 
                callback: function(id, ret, args) {
                    scope.addToList(ret);                    
                    scope.displaycesa_notes();
                }
            });
        }, 
        updatecesa_notesInfo: function(cesa_notescount, page) {
            page = parseInt(page);
            cesa_notescount = parseInt(cesa_notescount);
            var scope = this; 
            var paging = '';
            if (cesa_notescount > CONFIG.perpage) {
                var pagenum = page - 1;
                var prevlink = '';
                var nextlink = '';
                
                if (page > 0) {
                    prevlink = scope.createLink(pagenum, M.util.get_string('previouspage', 'block_cesa_notes'), 'previous');
                }
                if (CONFIG.perpage > 0) {
                    var lastpage = Math.ceil(cesa_notescount / CONFIG.perpage);
                } else {
                    var lastpage = 1;
                }
                // Uncomment this line if you want to display page number 
                //paging += '<span class="current-page">' + (page + 1) + '</span>';
                pagenum = page + 1;
                if (pagenum != lastpage) {
                    nextlink = scope.createLink(pagenum, M.util.get_string('nextpage', 'block_cesa_notes'), 'next');
                }
                paging = prevlink;
                if (prevlink != '' && nextlink != '') {
                    paging += '<span class="separator"></span>';
                }
                paging += nextlink;
                
                paging = '<span class="paging">' + paging + '</span>';
            }
            var noteinfo = $(SELECTORS.cesa_notes_BASE).find(scope.currenttab);
            if (cesa_notescount > 0) {
                noteinfo.find('.count').html(M.util.get_string('cesa_notescount', 'block_cesa_notes') + '' + cesa_notescount);
            } else {
                noteinfo.find('.count').html(M.util.get_string('nothingtodisplay', 'block_cesa_notes'));
            }
            noteinfo.find('.cesa_notes-paging').html(paging);
        },
        /*
         * Render notes as html ul li element
         */
        rendercesa_notes: function(notes) {
            if (notes.length < 1) {
                return false;
            }
            var lists = '';
            var x = '';
            for (x in notes) {
                $('#mynote-'+ CONFIG.instanceid + '-' + notes[x].id).remove();
                var deletelink = '<a href="#" id="mynote-delete-' + CONFIG.instanceid + '-' + notes[x].id + '" class="mynote-delete" title="'+ strdeletenote +'">'+ NODES.DELETE_ICON +'</a>';
                var notedetail = '';
                var userdate = '<span class="time">' + notes[x].timecreated + '</span>';
                if (notes[x].coursename != '') {
                    notedetail = '<div class="note-detail">' + notes[x].coursename + ' - ' + userdate +'</div>';
                } else {
                    notedetail = '<div class="note-detail">'+ userdate +'</div>';
                }
                
                var note_html = '<div class="content" data-noteid="mynote-'+ CONFIG.instanceid + '-' + notes[x].id +'">' + notes[x].content + '</div>';
                var note_edit_btn = '<button class="j-cesa-note-content-edit">Editar</button>'
                lists += '<li id="mynote-' + CONFIG.instanceid + '-' + notes[x].id + '" data-itemid="' + notes[x].id + '">' + note_edit_btn + note_html + notedetail + '</li>';
            }
            return lists;
        },
        createLink: function(page, text, classname) {
            var classattribute = (typeof(classname) != 'undefined') ? ' class="'+classname+'"' : '';
            return '<a href="' + this.api + '&page=' + page + '"' + classattribute + '>' + text + '</a>';
        },
        displaycesa_notes: function() {
            var scope = this;            
            var page = parseInt($(SELECTORS.cesa_notes_BASE).find(scope.currenttab).attr('onpage'));
            var cesa_notescount = parseInt($(SELECTORS.cesa_notes_BASE).find(scope.currenttab).attr('notes-count'));
            var el = $(SELECTORS.cesa_notes_BASE).find(' ' + scope.currenttab + '-list');            
            var notescount = el.find('li').length;
            var lastpage = Math.ceil(notescount / CONFIG.perpage);
            
            if (notescount > 0 && lastpage <= page) {
                page = lastpage - 1;
            }
            var upperlimit = page * CONFIG.perpage + CONFIG.perpage;            
            var lowerlimit = page * CONFIG.perpage;
            el.find('li').css('display', 'none');
            el.find('li').each(function(i, el) {
                if (i>=lowerlimit && i<upperlimit) {
                    $(el).css('display', 'block');
                }
            });            
            scope.updatecesa_notesInfo(cesa_notescount, page);
            //panel.centerDialogue();
        },
        registerActions: function() {
            var scope = this; 
            
            $('body').delegate('#addmynote_cancel', 'click', function() {panel.hide()});

            $('body').delegate('.j-cesa-note-content-edit', 'click', function() {
                let noteText = $(this).parent().find('.text_to_html').text();
                let textArea = $('.cesa_notes_base .textarea textarea');
                let deleteButton = $('.j-delete-cesa-note');

                deleteButton.addClass('show_delete_note_btn');
                textArea.attr('data-editnoteid', $(this).parent().find('.content').attr('data-noteid'));
                textArea.val(noteText);
            });
            $('body').delegate('.modal_cesa_notes_root .modal-header button.close', 'click', function(e) {
                $('#id_mynotecontent-' + CONFIG.instanceid).removeAttr('data-editnoteid');
                $('#id_mynotecontent-' + CONFIG.instanceid).val('');
                $('.j-delete-cesa-note').removeClass('show_delete_note_btn');
                $('#cesa_notes_delete_modal').removeClass('show_delete_modal');
            });
            $('body').delegate('#cesa_notes_modal_cancel_delete', 'click', function(e) {
                $('#cesa_notes_delete_modal').removeClass('show_delete_modal');
            });
            $('body').delegate('#cesa_notes_modal_accept_delete', 'click', function(e) {
                var nid =  $('#id_mynotecontent-' + CONFIG.instanceid).attr('data-editnoteid');
                if (nid != '' || nid != 'undefined') {
                    var notescount = $(SELECTORS.cesa_notes_BASE).find(SELECTORS.cesa_notes_LISTS + '-' + scope.currenttab + ' > li').length;
                    var id = nid.replace('mynote-'+ CONFIG.instanceid + '-', '');       
                    var arg = {
                        contextid: CONFIG.contextid,
                        action: 'delete',
                        noteid: id,
                        lastnotecounts: notescount,
                    };
                    scope.request({
                        params: arg, 
                        callback: function(id, ret, args) { 
                            args.scope.addToList(ret);
                            $('#mynote-'+ CONFIG.instanceid + '-' + ret.noteid).remove();     
                            $('.j-delete-cesa-note').removeClass('show_delete_note_btn');  
                            $('#id_mynotecontent-' + CONFIG.instanceid).removeAttr('data-editnoteid');
                            $('#id_mynotecontent-' + CONFIG.instanceid).val(''); 
                            $('#cesa_notes_delete_modal').removeClass('show_delete_modal');
                            args.scope.displaycesa_notes();
                        }
                    });
                } 
            });
            $('body').delegate('#addmynote_submit', 'click', function(e) {scope.savecesa_notes(e)});
            //$('body').delegate('#cesa_notes_print', 'click', function(e) {scope.printcesa_notes(e)});
            $('body').delegate(SELECTORS.cesa_notes_BASE + ' ul.tabs-menu li', 'click', function(e) {
                $(this).addClass("current");
                $(this).siblings().removeClass("current");
                var tab = $(this).attr("id").replace('tab-', '');
                $(SELECTORS.cesa_notes_BASE + ' .tab-content').not('#' + tab).css("display", "none");
                $(SELECTORS.cesa_notes_BASE + ' #' + tab + '.tab-content').css("display", "block");
                scope.currenttab = '#'+tab;

                var isloaded = $(scope.currenttab).attr('data-loaded');
                if (typeof isloaded == 'undefined' || isloaded == false) {
                    $(SELECTORS.cesa_notes_BASE).find(scope.currenttab).attr('data-loaded', "true");
                    scope.getcesa_notes(0);
                }                    
            });
            
            $('body').delegate('#id_mynotecontent-' + CONFIG.instanceid, 'focus blur', function(e) {
                scope.toggle_textarea(e);
            });
            $('body').delegate('#id_mynotecontent-' + CONFIG.instanceid, 'change keypress keyup', function(e) {
                scope.getWarnings(scope.checkInputText());         
            });
            
            $('body').delegate(SELECTORS.cesa_notes_BASE + ' .cesa_notes-paging .paging a', 'click', function(e) {
                e.preventDefault();
                var regex = new RegExp(/[\?&]page=(\d+)/);
                var results = regex.exec($(this).attr('href'));
                var page = 0;
                if (results[1]) {
                    page = results[1];
                }
                $(SELECTORS.cesa_notes_BASE).find(scope.currenttab).attr('onpage', parseInt(page));
                scope.getcesa_notes(page);
            });

            $('body').delegate(SELECTORS.cesa_notes_BASE + ' .j-delete-cesa-note', 'click', function(e) {
                e.preventDefault();         
                var nid =  $('#id_mynotecontent-' + CONFIG.instanceid).attr('data-editnoteid');
                if (nid != '' || nid != 'undefined') {
                    let deleteModal = $('#cesa_notes_delete_modal'); 
                    deleteModal.addClass('show_delete_modal');   
                } 
            })
            $('body').delegate(SELECTORS.cesa_notes_BASE + ' a.mynote-delete', 'click', function(e) {
                e.preventDefault();        
                $('#id_mynotecontent-' + CONFIG.instanceid).removeAttr('data-editnoteid');        
                var nid = $(this).attr('id');
                if (nid != '' || nid != 'undefined') {
                    var notescount = $(SELECTORS.cesa_notes_BASE).find(SELECTORS.cesa_notes_LISTS + '-' + scope.currenttab + ' > li').length;
                    var id = nid.replace('mynote-delete-'+ CONFIG.instanceid + '-', '');                    
                    var arg = {
                        contextid: CONFIG.contextid,
                        action: 'delete',
                        noteid: id,
                        lastnotecounts: notescount,
                    };
                    scope.request({
                        params: arg, 
                        callback: function(id, ret, args) { 
                            args.scope.addToList(ret);
                            $('#mynote-'+ CONFIG.instanceid + '-' + ret.noteid).remove();                            
                            args.scope.displaycesa_notes();
                        }
                    });
                }                
            });
        },
        displayDialogue: function(e) {
            var scope = cesa_notes;
            if (panel === null) {
                str.get_strings([
                    {key : 'cesa_notes', component : 'block_cesa_notes'},
                    {key : 'characterlimit', component : 'block_cesa_notes'},
                    {key : 'save', component : 'block_cesa_notes'},                
                    {key : 'cancel'},
                    {key : 'cesa_notessavedundertab', component : 'block_cesa_notes', param: CONFIG.contextareas[scope.currenttabindex]},
                    {key : 'placeholdercontent', component : 'block_cesa_notes'}
                ]).done(function(s) {
                    // Create basic tab structure

                    let deleteModal = `<div id="cesa_notes_delete_modal">
                                        <div class="cesa_notes_delete_modal_content">
                                            <p>¿Estás seguro de que quieres eliminar este apunte?</p>
                                            <button id="cesa_notes_modal_cancel_delete">Cancelar</button>
                                            <button id="cesa_notes_modal_accept_delete">Eliminar</button>
                                        </div>
                                        </div>`;
                    var el = $('<div></div>').append($('<div id="' + CSS.cesa_notes_BASE + '" class="' + CSS.cesa_notes_BASE + '">'+ deleteModal +'</div>')
                        .append('<div class="inputarea"><div class="responsetext"></div><div class="cesa-notes-limit" id="addmynote-label-' + CONFIG.instanceid + '">' + s[1] + ' ' + CONFIG.maxallowedcharacters + '<span class="warning"></span></div>' +
                            '<div class="textarea"><textarea id="id_mynotecontent-' + CONFIG.instanceid + '" name="mynotecontent" rows="2">' + s[5] + '</textarea></div>' +
                            '<p class="notesavedhint">' + s[4] + '</p>' +
                            '<p class="cesa_notes_buttons_container"><button class="j-delete-cesa-note">Eliminar</button><input type="submit" id="addmynote_submit"/> </p>' +
                            '<p class="cesa_note_bottom_container"><a class="cesa_notes_print" target="_blank" href="'+ CONFIG.printapi +'">Imprimir notas</a> </p>'+
                            '</div>'
                            )
                            .append($('<ul class="tabs-menu"></ul>'))
                            .append($('<div class="tab"></div>'))
                        );
                    el.find('#addmynote_submit').attr('value', s[2]);
                    el.find('#addmynote_cancel').attr('value', s[3]); 
                    var tabsmenu = '';
                    var tabcontents = '';
                    var i = '';
                    for (i in CONFIG.contextareas) {
                        if (scope.currenttabindex == i) {
                            tabsmenu += '<li class="current" id="tab-' + CONFIG.prefix + i + '"><div class="menu-item">' + CONFIG.contextareas[i] + '</div></li>';
                        } else {
                            tabsmenu += '<li class="" id="tab-' + CONFIG.prefix + i + '"><div class="menu-item">' + CONFIG.contextareas[i] + '</div></li>';
                        }
                        tabcontents += '<div class="tab-content" id="' + CONFIG.prefix + i + '" onpage="0" notes-count="0">'
                            + '<div class="notes-info"><div class="cesa_notes-paging"></div><div class="count"></div></div>'
                            + '<ul id="' + CONFIG.prefix + i + '-list" class="cesa_notes_lists"></ul>'
                            + '</div>';
                    }
                    el.find('.tabs-menu').append(tabsmenu);
                    el.find('.tab').append($(tabcontents));
                    ModalFactory.create({
                        title: s[0],
                        body: el.html(),
                    }).then(function (modal) {
                        if (initnotes === null) {
                            initnotes = true;                        
                            // Get initial notes
                            scope.getcesa_notes(0);
                            $(SELECTORS.cesa_notes_BASE).find(scope.currenttab).attr('data-loaded', "true");
                            $(SELECTORS.cesa_notes_BASE).find(scope.currenttab).css('display', 'block');
                        }

                        let root = modal.getRoot();

                        root.addClass('modal_cesa_notes_root');

                        panel = modal;
                        panel.show();
                        scope.registerActions();
                    });

                    /*if (initnotes === null) {
                        initnotes = true;                        
                        // Get initial notes
                        scope.getcesa_notes(0);
                        $(SELECTORS.cesa_notes_BASE).find(scope.currenttab).attr('data-loaded', "true");
                        $(SELECTORS.cesa_notes_BASE).find(scope.currenttab).css('display', 'block');
                    }

                    panel.show();*/
                    /*Y.use('moodle-core-notification-dialogue', function() {
                        
                         // TODO: CESA_NOTES Cambiar esto para que no use yui sino https://docs.moodle.org/dev/AMD_Modal
                         
                        panel = new M.core.dialogue({
                            draggable: true,
                            modal: true,
                            closeButton: true,
                            headerContent: M.util.get_string('cesa_notes', 'block_cesa_notes'),
                            responsive: true,
                            classname: 'testing'
                        });

                        panel.set('bodyContent', el.html());
                        if (initnotes === null) {
                            initnotes = true;                        
                            // Get initial notes
                            scope.getcesa_notes(0);
                            $(SELECTORS.cesa_notes_BASE).find(scope.currenttab).attr('data-loaded', "true");
                            $(SELECTORS.cesa_notes_BASE).find(scope.currenttab).css('display', 'block');
                        }
                        panel.show();
                    });*/
                    //scope.registerActions();
                    
                });
            } else {
                panel.show();
            }            
        },
        /**
         * Initialize cesa_notes
         * @access public
         * @param {int} instanceid
         * @param {int} contextid
         * @param {int} maxallowedcharacters
         * @param {int} perpage   
         * @param {string} editingicon_pos        
         * @param {bool} editing
         * @param {string} adminurl
         * @param {array} contextareas
         * @param {string} currenttabindex      
         */
        init: function(args) {
            CONFIG = args;    
            CONFIG.prefix = 'cesa_notes_';
            CONFIG.printapi = this.getcesa_notesValidatedUrl(M.cfg.wwwroot+'/blocks/cesa_notes/cesa_notes_print.php');
            this.perpage = parseInt(CONFIG.perpage);    
            this.currenttab = '#cesa_notes_' + args.currenttabindex;
            this.defaulttab = '#cesa_notes_' + args.currenttabindex;    
            this.currenttabindex = args.currenttabindex;
            this.api = this.getcesa_notesValidatedUrl(M.cfg.wwwroot+'/blocks/cesa_notes/cesa_notes_ajax.php');
            var strtitle =  M.util.get_string('showcesa_notes', 'block_cesa_notes');
            if (!CONFIG.editing) {
                var handler = $('<div class="'+ CSS.cesa_notes_OPENER +'" title="' + strtitle + '" alt="' + strtitle+ '">' + M.util.get_string('cesa_notes', 'block_cesa_notes') + '</div>');
                handler.addClass(CONFIG.editingicon_pos);
                $('body').append(handler);
                handler.html('<span class="pencil">&#x270D;</span>');
            } else {
                var handler = $('<div class="'+ CSS.cesa_notes_OPENER +'" title="' + strtitle + '" alt="' + strtitle+ '">' + M.util.get_string('cesa_notes', 'block_cesa_notes') + '</div>');
                handler.addClass(CONFIG.editingicon_pos);
                handler.html('<span class="pencil">&#x270D;</span>');                
                $('.inline-'+ CSS.cesa_notes_OPENER).html(handler);
                $('.inline-'+ CSS.cesa_notes_OPENER).append('<div class="cesa_notes-pos-inline-text '+ CSS.cesa_notes_OPENER +'">' + strtitle + '</div>');
            }
            var body = $('body');
            body.delegate(SELECTORS.cesa_notes_OPENER, 'click', this.displayDialogue);
        }
    };
    return cesa_notes;
});