add individual kanji lookup

background-script.js

@@ -143,6 +143,23 @@ function build_audio_table()
     }
 }
 
+let kanji_data = new Map();
+
+function load_kanji()
+{
+    if (this.readyState === 4)
+    {
+        if (this.status === 200)
+        {
+            let data = JSON.parse(this.responseText);
+            for(let entry of data)
+                kanji_data.set(entry["c"], entry);
+        }
+        else
+            console.error(xhr.statusText);
+    }
+}
+
 // Having a >4MB flat text file with stupid adhoc formatting is okay
 // but having a >4MB json file with nothing weird in it isn't
 // Thanks, linter team!
@@ -164,6 +181,16 @@ function load_jdic_audio_table(filename)
     return req;
 }
 
+
+function load_kanji_data(filename)
+{
+    let req = new XMLHttpRequest();
+    req.addEventListener("load", load_kanji);
+    req.open("GET", browser.extension.getURL(filename));
+    req.send();
+    return req;
+}
+
 load_part_of_dictionary("dict/JMdict1.json");
 load_part_of_dictionary("dict/JMdict2.json");
 load_part_of_dictionary("dict/JMdict3.json");
@@ -178,6 +205,8 @@ load_part_of_dictionary("dict/JMdict11.json");
 
 load_jdic_audio_table("dict/jdic audio.txt");
 
+load_kanji_data("dict/kanjidata.json");
+
 function buildlookups()
 {
     // Build map of spellings to dictionary entry.
@@ -957,6 +986,8 @@ function filter_kana_ish_results(results)
 
 function copy(orig)
 {
+    if(orig === undefined)
+        return undefined;
     let mine;
     if (Set.prototype.isPrototypeOf(orig))
         mine = new Set(orig);
@@ -973,6 +1004,7 @@ function copy_gen(orig)
 {
     return orig.slice(0);
 }
+
 // Restrict the listed spellings/readings of a JMdict entry to the ones allowed by the looked-up text.
 function restrict_by_text(entry, text)
 {
@@ -1179,17 +1211,14 @@ function skip_rereferenced_entries(results, other_settings)
 }
 
 let last_lookup = "";
-let last_time_lookup = Date.now();
 function lookup_indirect(text, time, divexisted, other_settings)
 {
     if(text == "")
         return;
-    //if(time < last_time_lookup+20) // reduces lag buildup
+    if(text == last_lookup && divexisted)
-    //    return;
-    if(text == last_lookup && divexisted)// || time < last_time_lookup+100)) // helps reduce double-lookups
         return "itsthesame";
+    last_kanji_lookup = "";
     last_lookup = text;
-    last_time_lookup = time;
     
     // try to look up successively shorter substrings of text
     // deconjugate() returns possible deconjugations, one of which has zero deconjugations, i.e. the plain text
@@ -1286,6 +1315,28 @@ function lookup_indirect(text, time, divexisted, other_settings)
     }
 }
 
+
+
+let last_kanji_lookup = "";
+function lookup_kanji_character(c, divexisted)
+{
+    if(c == "")
+        return;
+    if(c == last_kanji_lookup && divexisted)
+        return "itsthesame";
+    last_kanji_lookup = c;
+    last_lookup = "";
+    
+    try
+    {
+        return copy(kanji_data.get(c));
+    }
+    catch (err)
+    {
+        return undefined;
+    }
+}
+
 async function update_icon(enabled)
 {
     if(enabled)
@@ -1449,6 +1500,11 @@ browser.runtime.onMessage.addListener((req, sender) =>
         let asdf = lookup_indirect(req.text, req.time, req.divexisted, req.settings);
         return Promise.resolve({"response" : asdf});
     }
+    if (req.type == "search_kanji")
+    {
+        let asdf = lookup_kanji_character(req.text, req.divexisted);
+        return Promise.resolve({"response" : asdf});
+    }
     else if (req.type == "platform")
     {
         return Promise.resolve({"response" : platform});

options.js

@@ -18,6 +18,12 @@ function defaults()
         default: false,
         label: "Enabled"
     });
+    settings.push({
+        id: "kanji_mode",
+        kind: "checkbox",
+        default: false,
+        label: "Individual kanji information mode"
+    });
     settings.push({
         id: "compact",
         kind: "checkbox",
@@ -393,6 +399,12 @@ function defaults()
         default: "p",
         label: "Play audio from jpod101 if available"
     });
+    settings.push({
+        id: "hotkey_kanji_mode",
+        kind: "text",
+        default: "k",
+        label: "Toggle individual kanji information mode on/off"
+    });
     settings.push({
         id: "hotkey_nudge_left",
         kind: "text",

texthook.js

@@ -14,6 +14,7 @@
 // updated by a timer looping function, based on local storage set by the options page
 let settings = {
 enabled: false,
+kanji_mode: false,
 compact: true,
 usetextfields: true,
 length: 25,
@@ -55,6 +56,7 @@ hotkey_mine: "m",
 hotkey_close: "n",
 hotkey_sticky: "b",
 hotkey_audio: "p",
+hotkey_kanji_mode: "k",
 hotkey_nudge_left: "ArrowLeft",
 hotkey_nudge_right: "ArrowRight",
 volume: 0.2,
@@ -548,6 +550,32 @@ function elementize_epwing_defs(epwing)
     }
 }
 
+function get_style()
+{
+    // styling for highlighted stuff and the lookup text
+    let style = document.createElement("style");
+    style.type = "text/css";
+    let font = settings.hlfont.trim().replace(";","").replace("}","");
+    let morefont = settings.font.trim().replace(";","").replace("}","");
+    if(font != "")
+        font += ",";
+    if(morefont != "")
+        font += morefont + ",";
+    style.textContent =
+`.nazeka_main_keb{font-size:${settings.dict_item_fontsize}px;white-space:nowrap;font-family: ${font}IPAGothic,TakaoGothic,Noto Sans CJK JP Regular,Meiryo,sans-serif;color:${settings.hlcolor}}
+.nazeka_main_reb{font-size:${settings.dict_item_fontsize}px;white-space:nowrap;font-family: ${font}IPAGothic,TakaoGothic,Noto Sans CJK JP Regular,Meiryo,sans-serif;color:${settings.hlcolor}}
+.nazeka_word * {vertical-align: middle}
+.nazeka_sub_keb{font-size:${settings.reading_fontsize}px;white-space:nowrap;font-family: ${font}IPAGothic,TakaoGothic,Noto Sans CJK JP Regular,Meiryo,sans-serif}
+.nazeka_sub_reb{font-size:${settings.reading_fontsize}px;white-space:nowrap;color:${settings.hlcolor2}}
+.nazeka_original{float: right; margin-right: 2px; margin-left:4px; opacity:0.7;}
+.epwing_head{margin: 0 4px 6px;}
+.jmdict_definitions{margin: 0 4px 6px;}
+.epwing_definition{margin: 0 4px 6px;}
+.kanji_info{margin: 2px 4px 2px;}
+`;
+    return style;
+}
+
 // Here we actually build the content of the lookup popup, based on the text we looked up and the list of lookups from the background script
 // note that we can get multiple lookups and this function only handles a single lookup
 function build_div_inner(text, result, moreText, index, first_of_many = false)
@@ -646,26 +674,7 @@ function build_div_inner(text, result, moreText, index, first_of_many = false)
         original_index.style.display = "none";
         temp.appendChild(original_index);
     }
-    
+    let style = get_style();
-    // styling for highlighted stuff and the lookup text
-    let style = document.createElement("style");
-    style.type = "text/css";
-    let font = settings.hlfont.trim().replace(";","").replace("}","");
-    if(font != "")
-        font += ",";
-    if(settings.font.trim().replace(";","").replace("}","") != "")
-        font += settings.font.trim().replace(";","").replace("}","") + ",";
-    style.textContent =
-`.nazeka_main_keb{font-size:${settings.dict_item_fontsize}px;white-space:nowrap;font-family: ${font}IPAGothic,TakaoGothic,Noto Sans CJK JP Regular,Meiryo,sans-serif;color:${settings.hlcolor}}
-.nazeka_main_reb{font-size:${settings.dict_item_fontsize}px;white-space:nowrap;font-family: ${font}IPAGothic,TakaoGothic,Noto Sans CJK JP Regular,Meiryo,sans-serif;color:${settings.hlcolor}}
-.nazeka_word * {vertical-align: middle}
-.nazeka_sub_keb{font-size:${settings.reading_fontsize}px;white-space:nowrap;font-family: ${font}IPAGothic,TakaoGothic,Noto Sans CJK JP Regular,Meiryo,sans-serif}
-.nazeka_sub_reb{font-size:${settings.reading_fontsize}px;white-space:nowrap;color:${settings.hlcolor2}}
-.nazeka_original{float: right; margin-right: 2px; margin-left:4px; opacity:0.7;}
-.epwing_head{margin: 0 4px 6px;}
-.jmdict_definitions{margin: 0 4px 6px;}
-.epwing_definition{margin: 0 4px 6px;}
-`;
     temp.appendChild(style);
     
     function makespan(text)
@@ -1052,6 +1061,127 @@ function build_div_compound (results, moreText, index)
     return middle;
 }
 
+/*
+`.nazeka_main_keb{font-size:${settings.dict_item_fontsize}px;white-space:nowrap;font-family: ${font}IPAGothic,TakaoGothic,Noto Sans CJK JP Regular,Meiryo,sans-serif;color:${settings.hlcolor}}
+.nazeka_main_reb{font-size:${settings.dict_item_fontsize}px;white-space:nowrap;font-family: ${font}IPAGothic,TakaoGothic,Noto Sans CJK JP Regular,Meiryo,sans-serif;color:${settings.hlcolor}}
+.nazeka_word * {vertical-align: middle}
+.nazeka_sub_keb{font-size:${settings.reading_fontsize}px;white-space:nowrap;font-family: ${font}IPAGothic,TakaoGothic,Noto Sans CJK JP Regular,Meiryo,sans-serif}
+.nazeka_sub_reb{font-size:${settings.reading_fontsize}px;white-space:nowrap;color:${settings.hlcolor2}}
+.nazeka_original{float: right; margin-right: 2px; margin-left:4px; opacity:0.7;}
+*/
+function build_div_kanji(text, kanjidata, moreText, index)
+{
+    if(!kanjidata)
+        return undefined;
+    
+    let middle = build_div_intermediary();
+    let target = middle.firstChild;
+    
+    let style = get_style();
+    target.appendChild(style);
+    
+    let head = document.createElement("div");
+    let info = document.createElement("div");
+    let tail = document.createElement("div");
+    if(platform != "android")
+        head.innerText = "Currently in individual kanji mode. Press [" + settings.hotkey_kanji_mode + "] to cancel.";
+    else
+        head.innerText = "Currently in individual kanji mode. Disable in options to go back to dictionary.";
+    
+    let char = document.createElement("div");
+    char.className = "nazeka_main_keb";
+    char.textContent = text;
+    head.appendChild(char);
+    
+    info.className = "kanji_info";
+    
+    let grade = document.createElement("div");
+    grade.textContent = "Grade: ";
+    if(kanjidata["g"] == "X")
+        grade.textContent += "Hyougai";
+    else if(kanjidata["g"] == "9" || kanjidata["g"] == "10")
+        grade.textContent += "Jinmeiyou";
+    else if(kanjidata["g"] == "8")
+        grade.textContent += "Jouyou";
+    else if("123456".includes(kanjidata["g"]))
+        grade.textContent += "Kyouiku";
+    else
+        grade.textContent += "Unknown (Hyougai)";
+    
+    let strokes = document.createElement("div");
+    strokes.textContent = "Strokes: " + kanjidata["s"];
+    
+    let readings = document.createElement("div");
+    let readings_header = document.createElement("div");
+    readings_header.textContent = "Jouyou readings:";
+    readings.appendChild(readings_header);
+    
+    let added_readings = 0;
+    function add_readings(target, readings)
+    {
+        let first = true;
+        for(let reading of readings)
+        {
+            added_readings += 1;
+            if(!first)
+                target.appendChild(document.createTextNode("、"));
+            let reading_div = document.createElement("span");
+            reading_div.className = "nazeka_sub_reb";
+            reading_div.innerText = reading;
+            target.appendChild(reading_div);
+            first = false;
+        }
+    }
+    
+    if("o" in kanjidata)
+    {
+        let onyomi = document.createElement("div");
+        onyomi.innerText = "On'yomi: ";
+        add_readings(onyomi, kanjidata["o"]);
+        readings.appendChild(onyomi);
+    }
+    if("k" in kanjidata)
+    {
+        let onyomi = document.createElement("div");
+        onyomi.innerText = "Kun'yomi: ";
+        add_readings(onyomi, kanjidata["k"]);
+        readings.appendChild(onyomi);
+    }
+    if("os" in kanjidata)
+    {
+        let onyomi = document.createElement("div");
+        onyomi.innerText = "On'yomi (special): ";
+        add_readings(onyomi, kanjidata["os"]);
+        readings.appendChild(onyomi);
+    }
+    if("ks" in kanjidata)
+    {
+        let onyomi = document.createElement("div");
+        onyomi.innerText = "Kun'yomi (special): ";
+        add_readings(onyomi, kanjidata["ks"]);
+        readings.appendChild(onyomi);
+    }
+    
+    let composition = document.createElement("div");
+    composition.textContent = "Composition: " + kanjidata["z"];
+    
+    info.appendChild(grade);
+    info.appendChild(strokes);
+    if(added_readings > 0)
+        info.appendChild(readings);
+    info.appendChild(composition);
+    
+    tail.appendChild(document.createTextNode("Data for non-jouyou kanji may contain errors."));
+    tail.appendChild(document.createElement("br"));
+    tail.appendChild(document.createTextNode("Composition might not render correctly if it contains obscure characters."));
+    tail.style.marginBottom = "4px";
+    
+    target.appendChild(head);
+    target.appendChild(info);
+    target.appendChild(tail);
+    return middle;
+}
+
 async function settings_init()
 {
     try
@@ -1148,7 +1278,8 @@ let last_manual_interaction = Date.now();
 async function send_lookup(lookup)
 {
     last_lookup = lookup;
-    
+    if(!settings.kanji_mode)
+    {
         let response = await browser.runtime.sendMessage(
         {
             type:"search",
@@ -1182,6 +1313,25 @@ async function send_lookup(lookup)
         else if(response != "itsthesame" && exists_div() && !lastMoreText.includes(lookup[0].substring(0, Math.max(1, lookup[0].length-2))))
             lookup_cancel();
     }
+    else
+    {
+        let response = await browser.runtime.sendMessage(
+        {
+            type:"search_kanji",
+            divexisted:exists_div(),
+            text:lookup[0].charAt(0)
+        });
+        if(response)
+            response = response["response"];
+        if(response && response != "itsthesame")
+        {
+            let mydiv = build_div_kanji(lookup[0].charAt(0), response, lookup[5], lookup[6]);
+            if(mydiv)
+                display_div(mydiv, lookup[3], lookup[4]);
+        }
+        
+    }
+}
 function lookup_enqueue(text, x, y, x2, y2, moreText, index)
 {
     send_lookup([text, x, y, x2, y2, moreText, index]);
@@ -1857,6 +2007,10 @@ function keytest(event)
     if(event.shiftKey || event.ctrlKey || event.metaKey || event.altKey)
         return;
     if(event.key == settings.hotkey_mine)
+    {
+        if(settings.kanji_mode)
+            errormessage("Cannot mine isolated kanji (make kanji flashcards manually)");
+        else
         {
             if(mining_ui_exists())
             {
@@ -1903,16 +2057,31 @@ function keytest(event)
                 get_doc().body.appendChild(mydiv);
             }
         }
-    if(!exists_div())
+    }
-        return;
+    if(event.key == settings.hotkey_kanji_mode)
-    if(event.key == settings.hotkey_close)
     {
-        lookup_cancel_force();
+        settings.kanji_mode = !settings.kanji_mode;
+        browser.storage.local.set({"kanji_mode":settings.kanji_mode});
+        if(exists_div())
+            send_lookup(last_lookup);
     }
     if(event.key == settings.hotkey_sticky)
     {
         settings.sticky = !settings.sticky;
         browser.storage.local.set({"sticky":settings.sticky});
+        if(exists_div())
+        {
+            let last_text = last_lookup[0];
+            let last_index = last_lookup[6];
+            send_lookup([" ", last_lookup[1], last_lookup[2], last_lookup[3], last_lookup[4], last_lookup[5], 0]);
+            send_lookup([last_text, last_lookup[1], last_lookup[2], last_lookup[3], last_lookup[4], last_lookup[5], last_index]);
+        }
+    }
+    if(!exists_div())
+        return;
+    if(event.key == settings.hotkey_close)
+    {
+        lookup_cancel_force();
     }
     if(event.key == settings.hotkey_audio)
     {