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skos.js
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skos.js
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/*
* Copyright (C) 2013 Salzburg Research.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
function SKOSEditor(options) {
var OPTIONS = {
RDF_LINK : function(uri){window.open(uri)},
BASE_URI : "http://localhost:8080/LMF/resource/",
LANGUAGES_SUPPORTED : ["de","it"],
ENDPOINT_SELECT : "http://localhost:8080/LMF/sparql/select",
ENDPOINT_UPDATE : "http://localhost:8080/LMF/sparql/update",
LANGUAGE : "de",
DEBUG : false,
COOKIES_ENABLED : true,
COOKIE_EXPIRE_DAYS : 7,
LABEL_GRAPH : "http://purl.org/dc/terms/title",
LABEL_SCHEME : "http://www.w3.org/2000/01/rdf-schema#label"
}
$.extend(OPTIONS,options);
/**
* Properties for graph, schemes and concepts
*/
var PROPERTIES = {
graph : {
left:[
{title:"Title",property:"http://purl.org/dc/terms/title",type:"string",multivalue:false,multilingual:false,editable:true},
{title:"Subject",property:"http://purl.org/dc/terms/subject",type:"string",multivalue:false,multilingual:true,editable:true},
{title:"Description",property:"http://purl.org/dc/terms/description",type:"text",multivalue:false,multilingual:true,editable:true}
],
right:[
{title:"Author",property:"http://purl.org/dc/terms/creator",type:"uri",multivalue:false,multilingual:false,editable:false},
{title:"Created",property:"http://purl.org/dc/terms/created",type:"string",multivalue:false,multilingual:false,editable:false},
{title:"Publisher (Organisation)",property:"http://purl.org/dc/terms/publisher",type:"string",multivalue:true,multilingual:false,editable:true},
{title:"Contributors",property:"http://purl.org/dc/terms/contributor",type:"uri",multivalue:true,multilingual:false,editable:false}
]
},
scheme : {
left:[
{title:"Top Concepts",property:"http://www.w3.org/2004/02/skos/core#hasTopConcept",type:"concept",droppable:true,editable:true}
],
right:[
{title:"Title",property:"http://www.w3.org/2000/01/rdf-schema#label",type:"string",multivalue:false,multilingual:true,editable:true},
{title:"Description",property:"http://purl.org/dc/terms/description",type:"text",multivalue:false,multilingual:true,editable:true},
{title:"Author",property:"http://purl.org/dc/terms/creator",type:"uri",multivalue:false,multilingual:false,editable:false},
{title:"Created",property:"http://purl.org/dc/terms/created",type:"string",multivalue:false,multilingual:false,editable:false},
{title:"Modified",property:"http://purl.org/dc/terms/modified",type:"string",multivalue:false,multilingual:false,editable:false},
{title:"Publisher (Organisation)",property:"http://purl.org/dc/terms/publisher",type:"string",multivalue:true,multilingual:false,editable:true},
{title:"Contributors",property:"http://purl.org/dc/terms/contributor",type:"uri",multivalue:true,multilingual:false,editable:false},
{title:"License",property:"http://purl.org/dc/terms/license",type:"uri",multivalue:true,droppable:false,editable:true}
]
},
concept : {
left:[
{title:"Broader Concepts",property:"http://www.w3.org/2004/02/skos/core#broader",type:"concept",droppable:true,editable:true},
{title:"Narrower Concepts",property:"http://www.w3.org/2004/02/skos/core#narrower",type:"concept",droppable:true,editable:true},
{title:"Related Concepts",property:"http://www.w3.org/2004/02/skos/core#related",type:"concept",droppable:true,editable:true},
{title:"Broad Match",property:"http://www.w3.org/2004/02/skos/core#broadMatch",type:"concept",droppable:true,editable:true},
{title:"Narrow Match",property:"http://www.w3.org/2004/02/skos/core#narrowMatch",type:"concept",droppable:true,editable:true},
{title:"Close Match",property:"http://www.w3.org/2004/02/skos/core#closeMatch",type:"concept",droppable:true,editable:true},
{title:"Exact Match",property:"http://www.w3.org/2004/02/skos/core#exactMatch",type:"concept",droppable:true,editable:true}
],
right:[
{title:"Preferred Label",property:"http://www.w3.org/2004/02/skos/core#prefLabel",type:"string",multivalue:false,multilingual:true,editable:true},
{title:"Alternative Label",property:"http://www.w3.org/2004/02/skos/core#altLabel",type:"string",multivalue:true,multilingual:true,editable:true},
{title:"Hidden Label",property:"http://www.w3.org/2004/02/skos/core#hiddenLabel",type:"string",multivalue:true,multilingual:true,editable:true},
{title:"Author",property:"http://purl.org/dc/terms/creator",type:"uri",multivalue:false,multilingual:false,editable:false},
{title:"Created",property:"http://purl.org/dc/terms/created",type:"string",multivalue:false,multilingual:false,editable:false},
{title:"Modified",property:"http://purl.org/dc/terms/modified",type:"string",multivalue:false,multilingual:false,editable:false},
{title:"Contributors",property:"http://purl.org/dc/terms/contributor",type:"uri",multivalue:true,multilingual:false,editable:false},
{title:"Definition",property:"http://www.w3.org/2004/02/skos/core#definition",type:"text",multivalue:false,multilingual:true,editable:true},
{title:"Hidden Label",property:"http://www.w3.org/2004/02/skos/core#hiddenLabel",type:"string",multivalue:true,multilingual:true,editable:true}
]
}
}
//event manager
var events = new EventManager();
var EventCode = {
GRAPH : {
CREATE : 100,
CREATED : 101,
SELECT : 102,
SELECTED : 103,
DELETE : 104,
DELETED : 105,
LOAD : 106,
UPDATED: 107
},
CONCEPT : {
CREATE : 200,
CREATED : 201,
SELECT : 202,
SELECTED : 203,
DELETE : 204,
DELETED : 205,
DRAGSTART: 206,
DRAGEND: 207,
UPDATED: 208
},
SCHEME : {
CREATE : 300,
CREATED : 301,
SELECT : 302,
SELECTED : 303,
DELETE : 304,
DELETED : 305,
UPDATED : 306
},
PROPERTY : {
CREATE : 400,
CREATED : 401,
SELECT : 402,
SELECTED : 403,
DELETE : 404,
DELETED : 405,
UPDATE : 406,
UPDATED : 407
},
RELATION : {
CREATED : 500,
DELETED : 501
},
SETTINGS : {
UPDATE : 600,
UPDATED : 601
},
VIEW : {
RELOAD : 700
}
}
//settings (graph dependent)
var settings = new Settings();
//server interaction
var client = new SparqlClient(OPTIONS.ENDPOINT_SELECT,OPTIONS.ENDPOINT_UPDATE);
//skos interaction
var skos = new SKOSClient(client, {LANGUAGE:settings.getLanguage(),DEBUG:OPTIONS.DEBUG,ENDPOINT_SELECT:OPTIONS.ENDPOINT_SELECT,ENDPOINT_UPDATE:OPTIONS.ENDPOINT_UPDATE,LABEL_GRAPH :OPTIONS.LABEL_GRAPH,LABEL_SCHEME :OPTIONS.LABEL_SCHEME});
//create views
var menu = new Menu('menu');
var tree = new Tree('col1');
var resource = new Resource('col2');
var popups = new Popups('popup','popup_background');
var search = new Search('search');
var dragscroller = new DragScroller();
function init() {
//init views
menu.init();
tree.init();
resource.init();
popups.init();
settings.init();
}
//the return object for external interaction
var return_object = {
endpoint : {
update : {
get : function() {
return client.getUpdateEndpoint();
},
set : function(value) {
client.setUpdateEndpoint(value);
}
},
select : {
get : function() {
return client.getSelectEndpoint();
},
set : function(value) {
client.setSelectEndpoint(value);
}
}
},
menu : {
createMenuItem : function(name,subname,action) {
return menu.createMenuItem(name,subname,action);
},
createSeperator : function(name) {
menu.createSeperator(name);
}
},
event : {
fire : function(type,data,source) {
events.fire(new Event(type,data,source));
},
bind : function(type,action) {
events.bind(type,action,arguments.callee.caller.toString().md5());
},
unbind : function(type) {
events.unbind(arguments.callee.caller.toString().md5(),type);
}
},
popup : {
info : function(title,message) {
popups.info(title,message);
},
alert : function(title,message) {
popups.alert(title,message);
},
custom : function(title) {
return popups.custom(title);
}
},
properties : {
add : function(type,property,configuration,position,index) {
position = position ? position : "right";
var new_elem = {
title: configuration.title ? configuration.title : "No Title",
property: property,
type: configuration.type ? configuration.type : "string",
multivalue: configuration.multivalue ? configuration.multivalue : true,
multilingual: configuration.multilingual ? configuration.multilingual : true,
editable: configuration.editable ? configuration.editable : true
}
if(index != undefined && index < PROPERTIES[type][position].length) {
PROPERTIES[type][position].splice(index,0,new_elem);
} else {
PROPERTIES[type][position].push(new_elem);
}
},
remove : function(type,property) {
var columns = ["left","right"];
for(var c in columns) {
for(var i in PROPERTIES[type][columns[c]]) {
if(PROPERTIES[type][columns[c]][i].property == property) {
PROPERTIES[type][columns[c]].splice(i,1);break;
}
}
}
},
alter : function(type,property,configuration) {
var columns = ["left","right"];
for(var c in columns) {
for(var i in PROPERTIES[type][columns[c]]) {
if(PROPERTIES[type][columns[c]][i].property == property) {
if(configuration.title) PROPERTIES[type][columns[c]][i].title = configuration.title;
if(configuration.type) PROPERTIES[type][columns[c]][i].type = configuration.type;
if(configuration.multivalue) PROPERTIES[type][columns[c]][i].multivalue = configuration.multivalue;
if(configuration.multilingual) PROPERTIES[type][columns[c]][i].multilingual = configuration.multilingual;
if(configuration.editable) PROPERTIES[type][columns[c]][i].editable = configuration.editable;
}
}
}
}
},
EventCode : EventCode,
init : function() {
init();
},
authentification: {
setAuth : function(user, pass, token) {
client.setAuth(user, pass, token);
}
}
}
return return_object;
/**
* Event Management: used by different views to trigger and react on events
*/
function EventManager() {
var bindings = [];
/**
* fires @see Event
* @param event
*/
this.fire = function(event) {
if(!bindings[event.type])return;
for(var i=0;i<bindings[event.type].length;i++) {
bindings[event.type][i].action(event);
}
if(OPTIONS.DEBUG)console.debug("Fired Event:",event);
}
/**
* bind actions to events, name is used for unbinding
* @param type
* @param action a javascript function with parameter @see Event
* @param name
*/
this.bind = function(type,action,name){
if(bindings[type] == undefined) bindings[type] = [];
bindings[type].push(new Action(name,action));
}
this.unbind = function(name,type) {
for(var property in bindings) {
if(type==undefined || property==type) {
var undeleted = [];
for(var i=0;i<bindings[property].length;i++) {
if(bindings[property][i].name != name) undeleted.push(bindings[property][i]);
}
bindings[property] = undeleted;
}
}
}
function Action(name,action) {
this.name = name;
this.action = action;
}
}
/**
* Used to pass type (@see EventCode), data and source to bound functions
* @param type
* @param data
* @param source
*/
function Event(type,data,source) {
this.type = type;
this.data = data;
this.source = source;
}
/**
* Settings depending on graph
*/
function Settings() {
var self = this;
var graph;
var language;
var languages;
function resetCookie(name) {
var date = new Date();
document.cookie = name + "=" + "undefined" + "; expires=" + date.toUTCString();
}
function setCookie(name,value) {
var date = new Date();
date.setDate(date.getDate() + OPTIONS.COOKIE_EXPIRE_DAYS);
document.cookie = name + "=" + escape(value) + "; expires=" + date.toUTCString();
}
function getCookie(name) {
var i,x,y,ARRcookies=document.cookie.split(";");
for (i=0;i<ARRcookies.length;i++) {
x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
x=x.replace(/^\s+|\s+$/g,"");
if (x==name) {return unescape(y);}
} return null;
}
function loadGraph(uri) {
graph = uri;
skos.get.graphFirstLanguage(graph,function(data){
if(data[0]&&data[0].language)language=data[0].language.value;
skos.list.graphLanguages(graph,function(data){
var lngs = [];
lngs.push(language);
for(var i in data) {
if(data[i].language.value!=language)lngs.push(data[i].language.value);
}
if(data.length>0)languages = lngs;
if(skos)skos.setLanguage(language);
skos.get.graph(graph,function(data){
var title = graph;
if(data[0]&&data[0].title)title=data[0].title.value;
events.fire(new Event(EventCode.GRAPH.LOAD,{uri:graph,title:title},self));
if(OPTIONS.COOKIES_ENABLED) setCookie("graph",graph);
},function(){
popups.alert("Error","Could not load graph");
if(OPTIONS.COOKIES_ENABLED) resetCookie("graph");
})
},function(){alert("could not read languages")})
},function(){alert("could not read first language")});
}
this.reset = function() {
language = OPTIONS.LANGUAGE;
languages = OPTIONS.LANGUAGES_SUPPORTED;
}
this.init = function() {
if(OPTIONS.COOKIES_ENABLED) {
var uri = getCookie("graph");
if(uri){
skos.exists.graph(uri,function(){
events.fire(new Event(EventCode.GRAPH.SELECTED,{uri:uri}));
},function(){
popups.alert("Error","Could not load graph");
if(OPTIONS.COOKIES_ENABLED) resetCookie("graph");
})
}
}
}
/*
this.set = function(settings) {
//TODO
events.fire(new Event(EventCode.SETTINGS.UPDATED));
} */
this.getLanguage = function(){return language};
this.getLanguages = function(){return languages};
this.setLanguage = function(l){
language = l;
}
this.setLanguages = function(l){
languages = l;
}
this.getGraph = function(){return graph};
events.bind(EventCode.GRAPH.SELECTED,function(event){
self.reset();
loadGraph(event.data.uri);
});
events.bind(EventCode.SETTINGS.UPDATED,function(){
events.fire(new Event(EventCode.GRAPH.SELECTED,{uri:graph},self));
});
self.reset();
}
/**
* Creates Menu in container. The Object has functions to create MenuItems and (graphical) Seperators
* @param container_id
*/
function Menu(container_id) {
var self = this;
var menu_items = [];
var current;
//Create Menu
var menu = $("<ul></ul>").addClass("menu").appendTo("#"+container_id);
this.init = function() {
setShortcuts()
}
/**
* creates a submenu point (subname) on given menu point (name) triggering action.
* @param name
* @param subname
* @param action
*/
this.createMenuItem = function(name,subname,action,shortcut) {
if(!menu_items[name]) {
menu_items[name] = $("<li></li>").html("<a>"+name+"</a><ul></ul>").appendTo(menu);
menu_items[name].hover(function(){
menu_items[name].addClass("hover");
$('ul:first',menu_items[name]).css('visibility', 'visible');
}, function(){
menu_items[name].removeClass("hover");
$('ul:first',menu_items[name]).css('visibility', 'hidden');
});
}
var shortcut=shortcut?"<span class='menu_shortcut'>"+shortcut+"</span>":"";
var menu_point = $("<li></li>").append($("<a></a>").html(subname+shortcut).click(function(){
if(menu_point.hasClass("disabled")) return false;
action();
})).appendTo(menu_items[name].find("ul"));
return menu_point;
}
/**
* creates a graphical sepertator on the bottom of the submenu list of menu 'name'
* @param name
*/
this.createSeperator = function(name) {
$("<hr>").addClass("seperator").appendTo(menu_items[name].find("ul"));
}
//thesaurus submenu
var open_new_graph = self.createMenuItem("Project","Open/Create Graph",function(){
if(open_new_graph.hasClass("disabled")) return false;
events.fire(new Event(EventCode.GRAPH.CREATE));
},"CTRL+g");
var new_concept = self.createMenuItem("Project","Create Scheme/Concept",function(){
if(new_concept.hasClass("disabled")) return false;
events.fire(new Event(EventCode.CONCEPT.CREATE,current));
},"CTRL+n");
self.createSeperator("Project");
var settings = self.createMenuItem("Project","Graph Settings",function(){
if(settings.hasClass("disabled")) return false;
events.fire(new Event(EventCode.SETTINGS.UPDATE,current));
});
var about = self.createMenuItem("Help","About",function(){
popups.info("About",HTML_TEMPLATES.about);
});
new_concept.addClass("disabled");
settings.addClass("disabled");
//bind events
events.bind(EventCode.GRAPH.SELECTED,function(event){
new_concept.removeClass("disabled");
settings.removeClass("disabled");
current = {uri:event.data.uri,type:'graph'};
});
events.bind(EventCode.CONCEPT.SELECTED,function(event){
current = {uri:event.data.uri,type:event.data.type};
});
function setShortcuts() {
$(window).keydown(function(event) {
if(event.ctrlKey) {
switch(event.which) {
case 71://G
events.fire(new Event(EventCode.GRAPH.CREATE));
event.preventDefault();
break;
case 78://N
if(!new_concept.hasClass("disabled"))events.fire(new Event(EventCode.CONCEPT.CREATE,current));
event.preventDefault();
break;
}
}
});
}
}
/**
* SKOS Tree
* @param container
*/
function Tree(container) {
var source = this;
var graph;
var tree;
var free;
var current;
//bind events
events.bind(EventCode.GRAPH.LOAD,function(event){
init(event);
});
events.bind(EventCode.PROPERTY.UPDATED,function(event){
if(event.data.language==settings.getLanguage()) {
if(event.data.property=="http://www.w3.org/2004/02/skos/core#prefLabel" || event.data.property=="http://www.w3.org/2000/01/rdf-schema#label") {
$(".concept_"+event.data.uri.md5()).text(event.data.value);
}
} else if(event.data.property=="http://purl.org/dc/terms/title") {
$(".concept_"+event.data.uri.md5()).text(event.data.value);
}
});
events.bind(EventCode.PROPERTY.DELETED,function(event){
if(event.data.language==settings.getLanguage()) {
if(event.data.property=="http://www.w3.org/2004/02/skos/core#prefLabel" || event.data.property=="http://www.w3.org/2000/01/rdf-schema#label") {
$(".concept_"+event.data.uri.md5()).text(event.data.uri);
}
} else if(event.data.property=="http://purl.org/dc/terms/title") {
$(".concept_"+event.data.uri.md5()).text(event.data.value);
}
});
events.bind(EventCode.PROPERTY.CREATED,function(event){
if(event.data.language==settings.getLanguage()) {
if(event.data.property=="http://www.w3.org/2004/02/skos/core#prefLabel" || event.data.property=="http://www.w3.org/2000/01/rdf-schema#label") {
$(".concept_"+event.data.uri.md5()).text(event.data.value);
}
} else if(event.data.property=="http://purl.org/dc/terms/title") {
$(".concept_"+event.data.uri.md5()).text(event.data.value);
}
});
events.bind(EventCode.CONCEPT.SELECTED,function(event){
if(event.source != source) {
console.log("TODO: open to selected");//TODO
if(current.uri!=event.data.uri){
$(".concept_"+current.uri.md5()).removeClass('activeNode');
current = event.data;
$(".concept_"+current.uri.md5()).addClass('activeNode');
}
}
});
events.bind(EventCode.SCHEME.CREATED,function(event){
current = event.data;
load();
});
events.bind(EventCode.CONCEPT.CREATED,function(event){
open(event.data);
});
events.bind(EventCode.RELATION.CREATED,function(event){
switch(event.data.type) {
case 'broader': reload(event.data.broader);loadFreeConcepts();break;
case 'narrower': reload(event.data.broader);loadFreeConcepts();break;
case 'broaderNarrower': reload(event.data.broader);loadFreeConcepts();break;
case 'topConcept': reload(event.data.parent);loadFreeConcepts();break;
}
});
events.bind(EventCode.RELATION.DELETED,function(event){
switch(event.data.type) {
case 'broader': reload(event.data.broader);loadFreeConcepts();break;
case 'narrower': reload(event.data.broader);loadFreeConcepts();break;
case 'topConcept': reload(event.data.parent);loadFreeConcepts();break;
}
});
//initialize
this.init = function() {
tree = $("<ul></ul>").addClass("tree");
$("#"+container).empty().append(tree);
bindShortcuts();
}
//TODO fix
function bindShortcuts() {
var timeout;
var item = undefined;
var loading = false;
$(window).keydown(function(event) {
if(graph && event.target.id!="search_input" && $(".concept_"+current.uri.md5()).length>0) {
switch(event.keyCode) {
//37 l 38 o 39 r 40 u 13 enter
case 13:
if(loading) return false;
event.preventDefault();
if(!item) return false;
item.children().eq(1).click();
break;
case 37:
if(loading) return false;
event.preventDefault();
if(!item) setCurrent($(".concept_"+current.uri.md5()).parent());
else {
if(item.parent().hasClass('tree'))return false;
setCurrent(item.parent().parent());
}
break;
case 38:
if(loading) return false;
event.preventDefault();
if(!item) setCurrent($(".concept_"+current.uri.md5()).parent());
else {
if(item.prev().length == 0) setCurrent(item.parent().children().last());
else setCurrent(item.prev());
}
break;
case 39:
if(loading) return false;
event.preventDefault();
if(!item) setCurrent($(".concept_"+current.uri.md5()).parent());
else {
if(item.parent().hasClass('tree')) {
if(item.children().eq(2).children().length!=0){
setCurrent(item.children().eq(2).children().first());
}
} else if(item.children().eq(0).hasClass('plus')) {
loading=true;
var test = function() {
setTimeout(function(){
if(!item.children().eq(0).hasClass('minus')) {
test();
} else {
setCurrent(item.children().eq(2).children().first());
loading=false;
}
},200);
}
item.children().eq(0).click();
test();
} else if(item.children().eq(0).hasClass('minus')) {
setCurrent(item.children().eq(2).children().first());
}
}
break;
case 40:
if(loading) return false;
event.preventDefault();
if(!item) setCurrent($(".concept_"+current.uri.md5()).parent());
else {
if(item.next().length == 0) setCurrent(item.parent().children().first());
else setCurrent(item.next());
}
break;
}}
});
function setCurrent(li) {
item = li;
$(".navi").removeClass("navi");
li.addClass("navi");
window.clearTimeout(timeout);
timeout = window.setTimeout(function() {
$(".navi").removeClass("navi");
item = undefined;
},2000);
}
}
//re(load) graph
function init(event) {
graph = {uri:event.data.uri,title:event.data.title};
current = {uri:event.data.uri,type:'graph'};
load();
}
//select node (given by data.uri)
function open(data) {
$(".concept_"+current.uri.md5()).each(function(){
current = data;
$(this).removeClass('activeNode');
var parent = $(this).parent();
parent.get(0).data.children.value = 'true';
var _li = createNode(parent.get(0).data,parent.get(0).datatype);
if(parent.hasClass("last"))_li.addClass("last");
parent.replaceWith(_li);
((_li.children()).first()).click();
});
events.fire(new Event(EventCode.CONCEPT.SELECTED,current,source));
}
//load graph and schemes
function load() {
//tree
var _li = $("<li style='padding-left: 0'></li>").append("<a class='graph_leaf'> </a>").append($("<a></a>").text(graph.title).addClass('graph').attr("draggable",false).addClass("concept_"+graph.uri.md5()).addClass('node').click(function(){
$(".activeNode").removeClass('activeNode');
$(this).addClass('activeNode');
select(graph.uri,'graph');
}));
var _childs = $("<ul></ul>");
//load childs
skos.list.schemes(graph.uri,function(data){
for(var i=0; i<data.length;i++) {
_childs.append(createNode(data[i],'scheme'));
}
_childs.children().last().addClass("last");
//select current
$(".concept_"+current.uri.md5()).first().click();
},function(){popups.alert("Alert","could not load schemes")})
_li.append(_childs);
tree.empty().append(_li).append(initFreeConcepts());
tree.children().last().addClass("last");
}
/**
* ATTENTION the skos query is very inefficient for bigger datsets
*/
function initFreeConcepts() {
var _li = $("<li style='padding-left: 0'></li>").append("<a class='free_concept_leaf'> </a>").append($("<a></a>").text("Free Concepts").addClass('free').attr("draggable",false).addClass('node'));
free = $("<ul></ul>");
_li.append(free);
//load childs
loadFreeConcepts();
return _li;
}
function loadFreeConcepts() {
skos.list.freeConcepts(graph.uri,function(data){
free.empty();
for(var i=0; i<data.length;i++) {
free.append(createNode(data[i],'concept'));
}
free.children().last().addClass("last");
},function(){popups.alert("Alert","could not load free concepts")});
}
//reload node
function reload(uri) {
$(".concept_"+uri.md5()).each(function(){
var type = $(this).attr("type");
var container = $(this).parent();
if(type=="scheme") {
skos.get.scheme(graph.uri,uri,function(data){rewrite(data,type,container)},function(){popups.alert("Alert","could not reload scheme")});
} else {
skos.get.concept(graph.uri,uri,function(data){rewrite(data,type,container)},function(){popups.alert("Alert","could not reload concept")});
}
});
function rewrite(data,type,container) {
data[0].uri = {value:uri};
var li = createNode(data[0],type,container.attr("closed")=="false");
container.replaceWith(li);
(li.parent()).children().last().addClass("last");
}
}
/**
* draw node given by data and type
* @param data
* @param type
* @param openOnLoad list subnodes after loading
*/
function createNode(data,type,openOnLoad) {
var _title = data.title?data.title.value:data.uri.value;
var _more = $("<a> </a>");
var _span = $("<a></a>").text(_title).addClass(type).attr('type',type).addClass("concept_"+data.uri.value.md5()).addClass('node').click(function(){
$(".activeNode").removeClass('activeNode');
$('.concept_'+data.uri.value.md5()).addClass('activeNode').focus();
select(data.uri.value,type);
});
if(data.uri.value == current.uri) _span.addClass('activeNode');
var _li = $("<li></li>").attr("closed","true").append(_more).append(_span);
_li[0].data = data;
_li[0].datatype= type;
var _childs = $("<ul></ul>");
var current_uri = data.uri.value;
var loadChildren = type=='scheme'? skos.list.top_concepts : skos.list.narrower;
var _child_type = type=='scheme'?"top-concept":"concept";
if(data.children.value.bool() || data.children.value == 1) {
_more.addClass('plus');
_more.click(function(){
if(_more.hasClass('plus')){
_more.removeClass('plus').addClass('loading');
loadChildren(graph.uri,data.uri.value,function(data){
for(var i=0; i<data.length;i++) {
_childs.append(createNode(data[i],_child_type));
}
_childs.children().last().addClass("last");
_more.removeClass('loading').addClass('minus');
_li.attr("closed","false");
},function(){popups.alert("Alert","could not load children")})
} else if(_more.hasClass('minus')){
_childs.empty();
_more.removeClass('minus').addClass('plus');
_li.attr("closed","true");
}
});
_more.get(0).addEventListener('dragover', function(e){
if($(this).hasClass('plus')){
$(this).click();
}
},false);
} else {
_more.addClass('leaf');
}
//make concepts draggable and schemas + concepts dropable
if(type!="scheme") {
_span.attr("draggable",true);
_span.addClass("draggable");
}
_span.get(0).addEventListener('dragstart', function(e){
events.fire(new Event(EventCode.CONCEPT.DRAGSTART));
this.style.opacity = '0.4';
//e.dataTransfer.effectAllowed = 'move';
e.dataTransfer.setData('text/uri-list', data.uri.value);
//e.dataTransfer.setData('parent', parent_uri);
}, false);
_span.get(0).addEventListener('dragenter', function(e){
$(this).addClass('dragover');
}, false);
_span.get(0).addEventListener('dragover', function(e){
if (e.preventDefault) {e.preventDefault();}
//e.dataTransfer.dropEffect = 'move';
return false;
}, false);
_span.get(0).addEventListener('dragleave', function(e){
$(this).removeClass('dragover');
}, false);
_span.get(0).addEventListener('drop', function(e){
if (e.stopPropagation) {e.stopPropagation();}
var uri = e.dataTransfer.getData('text/uri-list');
//var parent = e.dataTransfer.getData('parent');
//add and redraw
e.preventDefault();
//prevent other drops
if(e.dataTransfer.getData('text/plain')) {
popups.info("Not Allowed","This kind of drop is not allowed");
return false;
}
if(uri==data.uri.value) {
if(!confirm("Make concept child of itself?")) return false;
}
if(!uri || uri=="") {
popups.info("Not Allowed","This kind of drop is not allowed");
return false;
}
if(type=='scheme') {
skos.set.topConcept(graph.uri,data.uri.value,uri,function(){
events.fire(new Event(EventCode.RELATION.CREATED,{type:"topConcept",parent:data.uri.value,child:uri},source));
events.fire(new Event(EventCode.CONCEPT.UPDATED,{uris:[data.uri.value,uri]}));
},function(){popups.alert("Alert","could not add narrower")});
} else {
skos.set.broaderNarrower(graph.uri,data.uri.value,uri,function(){
events.fire(new Event(EventCode.RELATION.CREATED,{type:"broaderNarrower",broader:data.uri.value,narrower:uri},source));
events.fire(new Event(EventCode.CONCEPT.UPDATED,{uris:[data.uri.value,uri]}));
},function(){popups.alert("Alert","could not add narrower")});
}
return false;
}, false);
_span.get(0).addEventListener('dragend', function(e){
events.fire(new Event(EventCode.CONCEPT.DRAGEND));
$('.dragover').removeClass('dragover');
$('.draggable').css('opacity',1);
}, false);
_li.append(_childs);
if(openOnLoad) _more.click();
return _li;
}
//on node-click
function select(uri,type) {
current = {uri:uri,type:type};
events.fire(new Event(EventCode.CONCEPT.SELECTED,current,source));
}
}
/**
* Search with suggestions
* @param container
*/
function Search(container) {
var graph;
var source = this;
events.bind(EventCode.GRAPH.LOAD, function(event) {
graph = event.data.uri;
$("#search_input").val("");
});
var minLenght = 3;
var maxSuggestions = 5;
var caseSensitive = false;
var loader = new Loader();
//load container
$("#" + container).html(HTML_TEMPLATES.search);
var selected;
var input_field = $("#search_input");
var suggestions = $("#search_suggestion");
$("#search_div").focusout(function() {
suggestions.hide();
});
function setShortcuts() {
$(window).keydown(function(event) {
if(event.ctrlKey) {
switch(event.which) {
case 70://F
input_field.val("").focus();
break;
}
}
});
}
setShortcuts();
//react on keypress
input_field.keyup(function(e) {
if (graph == null) {
input_field.val("");
popups.info("Info", "select a graph first");
}
var text = input_field.val();
if (text.length >= minLenght) {
//return
if (e.keyCode == 13) {
if (selected) {
events.fire(new Event(EventCode.CONCEPT.SELECTED, selected, source));
suggestions.hide();
input_field.focusout();
} else popups.info("Info", "no results");
return;
}
//up
if (e.keyCode == 38) {
selected = {type:"concept"};
e.preventDefault();
var found = false;
suggestions.children().each(function() {
if ($(this).hasClass('current')) {
found = true;
$(this).removeClass('current');
var prev = $(this).prev();
if (prev.length != 0) {
prev.addClass('current');
selected.uri = prev.attr("uri");
selected.title = prev.attr("name");
}
else found = false;
return false;
}
});
if (!found) {
suggestions.children().last().addClass('current');
selected.uri = suggestions.children().last().attr("uri");
selected.title = suggestions.children().last().attr("name");
}
return false;
}