diff options
Diffstat (limited to 'js')
| -rw-r--r-- | js/common.js | 58 | ||||
| -rw-r--r-- | js/lfpe.js | 357 |
2 files changed, 415 insertions, 0 deletions
diff --git a/js/common.js b/js/common.js new file mode 100644 index 0000000..11dcdba --- /dev/null +++ b/js/common.js @@ -0,0 +1,58 @@ +var data, + ui_type; + + +/* + * hacky way to remove class from node + * + */ +function removeClass(node, className) +{ + node.className = + node.className.replace(" "+className,''); + node.className = + node.className.replace(" "+className,''); // ??? + + return false; +} + +/* + * + * + */ +function toggleDisplay(node) +{ + if (node.style.display=='none') { + node.style.display = 'block'; + } else { + node.style.display = 'none'; + } + + return false; +} + +/* + * trim string + * + */ +function trim(s) +{ + return s.replace(/^\s+|\s+$/g, ''); +} + +/* + * cross-site request + * + */ +function CreateCORSRequest(method, url) +{ + var xhr = new XMLHttpRequest(); + if ("withCredentials" in xhr) { + xhr.open(method, url, true); + } else { + xhr = null; + } + + return xhr; +} + diff --git a/js/lfpe.js b/js/lfpe.js new file mode 100644 index 0000000..1cf88bf --- /dev/null +++ b/js/lfpe.js @@ -0,0 +1,357 @@ +/* + * 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 + * + */ +function pause() +{ + 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 + * + */ +function catch_return(e) +{ + if (e.keyCode == 13) { + e.preventDefault(); + Next(); + } + + return false; +} + +/* + * + * + */ +function working() +{ + // 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"); + + // show 'working' message + status.style.display = "block"; + + // disable button and textarea + button.setAttribute("disabled", "disabled"); + pause_button.setAttribute("disabled", "disabled"); + target_textarea.setAttribute("disabled", "disabled"); +} + +/* + * + * + */ +function not_working() +{ + // 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"); + + // hide 'working' message + status.style.display = "none"; + + // enable buttons + document.getElementById("next").removeAttribute("disabled"); + document.getElementById("pause_button").removeAttribute("disabled"); +} + +/* + * next button + * + */ +function Next() +{ + // 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?key="+key; + + // post edit + var post_edit = ''; + + // extract data from interfaces + if (ui_type == 'g') { + post_edit = JSON.parse(DE_extract_data())["target"].join(" ") + } else { + post_edit = trim(target_textarea.value); + } + + // send data + // ??? + if (oov_correct.value=="false" && post_edit != "") { + // compose request + next_url += "&example="+encodeURIComponent(source.value)+"%20%7C%7C%7C%20"+encodeURIComponent(post_edit)+"&duration="+Timer.get(); + // no change? + if (post_edit == last_post_edit.value) { + next_url += "&nochange=1"; + } + // update document overview + document.getElementById("seg_"+(current_seg_id.value)+"_t").innerHTML=post_edit; + // OOV correction mode + } else if (oov_correct.value=="true") { + var l = document.getElementById("oov_fields").children.length; + var src = []; + var tgt = []; + for (var i=0; i<l/2; i++) { + src.push(trim(document.getElementById("oov_src"+i).value)); + tgt.push(trim(document.getElementById("oov_tgt"+i).value)); + if (tgt[tgt.length-1] == "") { // empty correction + alert("Please provide translations for all OOV 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").css("display", "none"); + next_url += "&correct="+encodeURIComponent(src.join("\t")) + +"%20%7C%7C%7C%20"+encodeURIComponent(tgt.join("\t")) + // ??? + } else { + if (source.value != "") { + alert("Please provide a post-edit."); + target_textarea.removeAttribute("disabled", "disabled"); + pause_button.removeAttribute("disabled", "disabled"); + button.removeAttribute("disabled", "disabled"); + return; + } + } + + // confirm to server + if (document.getElementById("init").value != "") { + var xhr_confirm = CreateCORSRequest('get', base_url+":"+port+"/confirm"); + xhr_confirm.send(); // FIXME: handle errors + } + + // build request + var xhr = CreateCORSRequest('get', next_url); + if (!xhr) { + alert("Error: 2"); // FIXME: do something reasonable + } + + // 'next' request's callbacks + xhr.onload = function() { + 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 page and click 'Start/Continue' again)."); + not_working(); + + return; + } + + data = JSON.parse(xhr.responseText) + document.getElementById("data").value = xhr.responseText; + + // done, disable interface + if (data["fin"]) { + raw_source_textarea.setAttribute("disabled", "disabled"); + target_textarea.setAttribute("disabled", "disabled"); + status.style.display = "none"; + button.innerHTML = "Session finished, thank you!"; + button.setAttribute("disabled", "disabled"); + pause_button.setAttribute("disabled", "disabled"); + if (current_seg_id.value) + removeClass(document.getElementById("seg_"+current_seg_id.value), "bold"); + + return; + + // enter OOV correct mode + } else if (data["oovs"]) { + var append_to = document.getElementById("oov_fields"); + 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); + } + oov_correct.value = true; + + $("#oov_form").css("display", "block"); + not_working(); + + // translation mode + } else { + 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"; + target_textarea.value = translation; + raw_source_textarea.value = raw_source; + button.innerHTML = "Next"; + button.removeAttribute("disabled"); + target_textarea.removeAttribute("disabled", "disabled"); + pause_button.removeAttribute("disabled", "disabled"); + document.getElementById("seg_"+id).className += " bold"; + if (id > 0) { + removeClass(document.getElementById("seg_"+(id-1)), "bold"); + } + target_textarea.rows = Math.round(translation.length/80)+1; + raw_source_textarea.rows = Math.round(raw_source.length/80)+1; + 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 = CreateCORSRequest('get', base_url+":"+port+"/confirm"); + xhr_confirm.send(); // FIXME: handle errors + + // load data into graphical UI + if (ui_type == "g") { + DE_init(); + } + + // start timer + Timer.start(); + } + }; + + xhr.onerror = function() {}; // FIXME: do something reasonable + + xhr.send(); // send 'next' request + + return; +} + +/* + * init text interface + * + */ +function init_text_editor() +{ + document.getElementById("target_textarea").value = ""; + document.getElementById("raw_source_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 = ""; + + 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"; + } +}; + |