diff options
Diffstat (limited to 'js/interface.js')
| -rw-r--r-- | js/interface.js | 502 |
1 files changed, 502 insertions, 0 deletions
diff --git a/js/interface.js b/js/interface.js new file mode 100644 index 0000000..77a94bb --- /dev/null +++ b/js/interface.js @@ -0,0 +1,502 @@ +/* + * (common) global vars + * + */ +var data, // global data object + ui_type; // 't' (text) or 'g' (graphical) + +/* + * cross-site request + * + */ +var create_cors_req = function (method, url) +{ + var xhr = new XMLHttpRequest(); + if ("withCredentials" in xhr) { + xhr.open(method, url, true); + xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded; charset=UTF-8'); + } else { + xhr = null; + } + + return xhr; +} + +/* + * Timer + * + */ +var Timer = { + start_t: 0, + pause_start_t: 0, + pause_acc_t: 0, + paused: false, + + start: function () { + this.start_t = Date.now(); + this.pause_start_t = 0; + this.pause_acc_t = 0; + this.paused = false; + }, + pause: function () { + this.paused = true; + this.pause_start_t = Date.now(); + }, + unpause: function () { + this.paused = false; + this.pause_acc_t += Date.now()-this.pause_start_t; + this.pause_start_t = 0; + }, + get: function () { + return (Date.now()-this.start_t)-this.pause_acc_t; + } +} + +/* + * pause/unpause timer + * + */ +var pause = function () +{ + var paused = document.getElementById("paused"); + var button = document.getElementById("pause_button"); + var next_button = document.getElementById("next"); + var target_textarea = document.getElementById("target_textarea") + var initialized = document.getElementById("init"); + + if (paused.value == 0) { + button.innerHTML = "Unpause"; + paused.value = 1; + next.setAttribute("disabled", "disabled"); + target_textarea.setAttribute("disabled", "disabled"); + Timer.pause(); + } else { + button.innerHTML = "Pause"; + paused.value = 0; + next.removeAttribute("disabled"); + if (initialized.value != "") { + target_textarea.removeAttribute("disabled"); + } + Timer.unpause(); + } +} + +/* + * no newline on return in textarea + * + */ +var catch_return = function (e) +{ + if (e.keyCode == 13) { + e.preventDefault(); + Next(); + } + + return false; +} + +/* + * working/not working + * + */ +var working = function () +{ + // elements + var button = document.getElementById("next"); + var pause_button = document.getElementById("pause_button"); + var target_textarea = document.getElementById("target_textarea") + var raw_source_textarea = document.getElementById("raw_source_textarea"); + var current_seg_id = document.getElementById("current_seg_id"); + var source = document.getElementById("source"); + var status = document.getElementById("status"); + var oov_correct = document.getElementById("oov_correct"); + var last_post_edit = document.getElementById("last_post_edit"); + + if ($("#ui_type").val() == "t") { + $("#textboxes").fadeTo(200,0.1); + } else { + $("#derivation_editor").fadeTo(200,0.1); + } + + // show 'working' message + $("#status").fadeToggle(); + + // disable button and textarea + button.setAttribute("disabled", "disabled"); + pause_button.setAttribute("disabled", "disabled"); + target_textarea.setAttribute("disabled", "disabled"); + document.getElementById("reset_button").setAttribute("disabled", "disabled"); + + DE_locked = true; +} +function not_working(fadein=true) +{ + document.getElementById("reset_button").removeAttribute("disabled"); + // elements + var button = document.getElementById("next"); + var pause_button = document.getElementById("pause_button"); + var target_textarea = document.getElementById("target_textarea") + var raw_source_textarea = document.getElementById("raw_source_textarea"); + var current_seg_id = document.getElementById("current_seg_id"); + var source = document.getElementById("source"); + var status = document.getElementById("status"); + var oov_correct = document.getElementById("oov_correct"); + var last_post_edit = document.getElementById("last_post_edit"); + + if (fadein) { + if ($("#ui_type").val() == "t") { + $("#textboxes").fadeTo(200,1); + } else { + $("#derivation_editor").fadeTo(200,1); + } + } + + // hide 'working' message + $("#status").fadeToggle(); + + // enable buttons + document.getElementById("next").removeAttribute("disabled"); + document.getElementById("pause_button").removeAttribute("disabled"); + document.getElementById("reset_button").removeAttribute("disabled"); + + DE_locked = false; +} + +/* + * polling the server + * + */ +var poll = function (url_prefix) +{ + setTimeout(function(){ + $.get(url_prefix+"/status").done(function(response){ + $("#status_detail").text(response); + if (response == "Ready") { + ready = true; + request_and_process_next(); + return; + } else { + poll(url_prefix); + } + }); + }, 1000); +} + +/* + * next button + * + */ +var next = function () +{ + // elements + var button = document.getElementById("next"); + var pause_button = document.getElementById("pause_button"); + var target_textarea = document.getElementById("target_textarea") + var raw_source_textarea = document.getElementById("raw_source_textarea"); + var current_seg_id = document.getElementById("current_seg_id"); + var source = document.getElementById("source"); + var status = document.getElementById("status"); + var oov_correct = document.getElementById("oov_correct"); + var last_post_edit = document.getElementById("last_post_edit"); + + working(); + + // get metadata stored in DOM + var base_url = "http://coltrane.cl.uni-heidelberg.de"; + var port = document.getElementById("port").value; + var key = document.getElementById("key").value; + + // url + next_url = base_url+":"+port+"/next"; + + // post edit + var post_edit = ''; + var send_data = new Object(); + + // extract data from interfaces + if (ui_type == 'g') { + data_s = DE_extract_data(); + if (!data_s) { + not_working(); + return; + } + send_data = JSON.parse(data_s); + post_edit = $.trim(send_data["target"].join(" ")); + if (DE_target_done.length != DE_target_shapes.length) + post_edit = ""; + send_data["post_edit"] = encodeURIComponent(post_edit); + send_data['type'] = 'g'; + send_data["original_svg"] = document.getElementById("original_svg").value; + } else { + post_edit = $.trim(target_textarea.value); + send_data["post_edit"] = post_edit; + send_data['type'] = 't'; + } + + send_data["key"] = key; + + // send data + if (oov_correct.value=="false" && post_edit != "") { + send_data["EDIT"] = true; + send_data["duration"] = Timer.get(); + send_data["source_value"] = encodeURIComponent(source.value); + // compose request + // no change? + if (post_edit == last_post_edit.value) { + send_data["nochange"] = true; + } + // update document overview + document.getElementById("seg_"+(current_seg_id.value)+"_t").innerHTML=decodeURIComponent(post_edit); + // OOV correction mode + } else if (oov_correct.value=="true") { + send_data["OOV"] = true; + var l = document.getElementById("oov_num_items").value; + var src = []; + var tgt = []; + for (var i=0; i<l; i++) { + src.push(encodeURIComponent($.trim(document.getElementById("oov_src"+i).value))); + tgt.push(encodeURIComponent($.trim(document.getElementById("oov_tgt"+i).value))); + if (tgt[tgt.length-1] == "") { // empty correction + alert("Please provide translations for all words."); + not_working(); + + return; + } + } + var l = document.getElementById("oov_fields").children.length; + for (var i=0; i<l; i++) + { document.getElementById("oov_fields").children[0].remove(); } + $("#oov_form").toggle("blind"); + $("#next").val("Next"); + send_data["correct"] = src.join("\t") + " ||| " + tgt.join("\t"); + } else { + if (source.value != "") { + alert("Please provide a post-edit and mark all phrases as finished."); + target_textarea.removeAttribute("disabled", "disabled"); + pause_button.removeAttribute("disabled", "disabled"); + button.removeAttribute("disabled", "disabled"); + not_working(); + return; + } + } + + // confirm to server + if (document.getElementById("init").value != "") { + var xhr_confirm = create_cors_req('get', base_url+":"+port+"/confirm"); + xhr_confirm.send(); // FIXME handle errors + } + + // build request + var xhr = create_cors_req('post', next_url); + if (!xhr) { + alert("Error: 2"); // FIXME do something reasonable + } + xhr.onerror = function (e) { alert("XHR ERRROR 1x " + e.target.status); } + xhr.send(JSON.stringify(send_data)); // send 'next' request + + poll(base_url+":"+port); +} + +var request_and_process_next = function () +{ + // elements + var button = document.getElementById("next"); + var pause_button = document.getElementById("pause_button"); + var target_textarea = document.getElementById("target_textarea") + var raw_source_textarea = document.getElementById("raw_source_textarea"); + var current_seg_id = document.getElementById("current_seg_id"); + var source = document.getElementById("source"); + var status = document.getElementById("status"); + var oov_correct = document.getElementById("oov_correct"); + var last_post_edit = document.getElementById("last_post_edit"); + + // get metadata stored in DOM + var base_url = "http://coltrane.cl.uni-heidelberg.de"; + var port = document.getElementById("port").value; + var key = document.getElementById("key").value; + + // url + next_url = base_url+":"+port+"/next"; + + var xhr = create_cors_req('get', base_url+":"+port+"/fetch"); + if (!xhr) { + alert("Error: 2"); // FIXME do something reasonable + } + xhr.onerror = function (e) { alert("XHR ERRROR 1 " + e.target.status); } + xhr.send(); // send 'next' request + + // 'next' request's callbacks + xhr.onload = function() { + if (xhr.readyState != 4 || xhr.status!=200) { alert("XHR ERROR 2"); return; } + + document.getElementById("init").value = 1; // for pause() + // translation system is currently handling a request + // FIXME maybe poll server for result? + if (xhr.responseText == "locked") { + alert("Translation system is locked, try again in a moment (reload the page and click 'Start/Continue')."); + not_working(); + + return; + } + + data = JSON.parse(xhr.responseText) + document.getElementById("data").value = xhr.responseText; + + // done, disable interface + if (data["fin"]) { + target_textarea.setAttribute("disabled", "disabled"); + status.style.display = "none"; + button.innerHTML = "Session finished, thank you!"; + $("#raw_source_textarea").html(""); + $("#target_textarea").val(""); + $("#target_textarea").attr("rows", 1); + button.setAttribute("disabled", "disabled"); + pause_button.setAttribute("disabled", "disabled"); + if (current_seg_id.value) + $("#seg_"+current_seg_id.value).removeClass("bold"); + + return; + + // enter OOV correct mode + } else if (data["oovs"]) { + var append_to = document.getElementById("oov_fields"); + document.getElementById("oov_num_items").value = data["oovs"].length; + if ($("#ui_type").val() == "t") { + $("#textboxes").fadeTo(200,0.1); + } else { + $("#derivation_editor").fadeTo(200,0.1); + } + $("#oov_context").html(data["raw_source"].replace(/\*\*\*/g,"<u>").replace(/###/g,"</u>")); + for (var i=0; i<data["oovs"].length; i++) { + var node_src = document.createElement("input"); + var node_tgt = document.createElement("input"); + node_src.type = "text"; + node_tgt.type = "text"; + node_src.id = "oov_src"+i; + node_tgt.id = "oov_tgt"+i; + node_src.value = data["oovs"][i]; + node_src.setAttribute("disabled", "disabled"); + append_to.appendChild(node_src); + append_to.appendChild(node_tgt); + append_to.appendChild(document.createElement("br")); + $("#oov_src"+i).attr({width: 'auto', size: $("#oov_src"+i).val().length}); + node_tgt.onkeypress = function (event) { + $(this).attr({width: 'auto', size: 5+$(this).val().length}); + catch_return(event); + } + } + oov_correct.value = true; + + $("#oov_form").toggle("blind"); + $("#next").html("Next"); + $("#oov_tgt0").focus(); + not_working(false); + DE_locked = true; + + // translation mode + } else { + if ($("#ui_type").val() == "t") { + $("#textboxes").fadeTo(200,1); + } else { + $("#derivation_editor").fadeTo(200,1); + } + + var id = data["progress"]; + var src = data["source"]; + var translation = data["transl_detok"]; + var raw_source = data["raw_source"]; + + // update interface + oov_correct.value = false; + status.style.display = "none"; + if (!translation) { + target_textarea.value = ""; + } else { + target_textarea.value = translation; + } + //raw_source_textarea.value = raw_source; + $("#raw_source_textarea").html(raw_source); + button.innerHTML = "Next"; + button.removeAttribute("disabled"); + target_textarea.removeAttribute("disabled", "disabled"); + pause_button.removeAttribute("disabled", "disabled"); + document.getElementById("reset_button").removeAttribute("disabled"); + document.getElementById("seg_"+id).className += " bold"; + if (id > 0) { + $("#seg_"+(id-1)).removeClass("bold"); + } + if (translation) + target_textarea.rows = Math.round(translation.length/80+0.5); + //raw_source_textarea.rows = Math.round(raw_source.length/80+0.5); + target_textarea.focus(); + target_textarea.selectionStart = 0; + target_textarea.selectionEnd = 0; + + // remember aux data in DOM + current_seg_id.value = id; + source.value = src; + last_post_edit.value = translation; + + // confirm to server + var xhr_confirm = create_cors_req('get', base_url+":"+port+"/confirm"); + xhr_confirm.send(); // FIXME handle errors + + // load data into graphical UI + if (ui_type == "g") { + DE_init(); + var x = $.trim(JSON.parse(DE_extract_data())["target"].join(" ")); + last_post_edit.value = x; + document.getElementById("original_svg").value = DE_get_raw_svg_data(); + } + + // start timer + Timer.start(); + } + }; + + return; +} + +/* + * init text interface + * + */ +var init_text_editor = function () +{ + document.getElementById("target_textarea").value = ""; + document.getElementById("target_textarea").setAttribute("disabled", "disabled"); + + return false; +} + +/* + * init site + * + */ +window.onload = function () +{ + // reset vars + document.getElementById("source").value = ""; + document.getElementById("current_seg_id").value = ""; + document.getElementById("paused").value = ""; + document.getElementById("oov_correct").value = false; + document.getElementById("displayed_oov_hint").value = false; + document.getElementById("init").value = ""; + document.getElementById("reset_button").setAttribute("disabled", "disabled"); + + not_working(); + + ui_type = document.getElementById("ui_type").value; + + // graphical derivation editor + if (ui_type == "g") { + document.getElementById("derivation_editor").style.display = "block"; + + // text based editor + } else { + init_text_editor(); + document.getElementById("textboxes").style.display = "block"; + } + +}; + |