cleanup

2 files changed, 70 insertions, 83 deletions

diff --git a/ext/bg/js/templates.js b/ext/bg/js/templates.js
index a8e5c65f..91518e84 100644
--- a/ext/bg/js/templates.js
+++ b/ext/bg/js/templates.js
@@ -299,17 +299,13 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
     + ((stack1 = helpers["if"].call(alias1,((stack1 = (depth0 != null ? depth0.glossary : depth0)) != null ? stack1["1"] : stack1),{"name":"if","hash":{},"fn":container.program(11, data, 0),"inverse":container.program(15, data, 0),"data":data})) != null ? stack1 : "")
     + "    </div>\n</div>\n";
 },"2":function(container,depth0,helpers,partials,data) {
-    var helper;
-
-  return "            <a href=\"#\" title=\"Add Kanji\" class=\"action-add-note pending disabled\" data-mode=\"kanji\" data-index=\""
-    + container.escapeExpression(((helper = (helper = helpers.index || (data && data.index)) != null ? helper : helpers.helperMissing),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},{"name":"index","hash":{},"data":data}) : helper)))
-    + "\"><img src=\"/mixed/img/add-kanji.png\"></a>\n";
+    return "        <a href=\"#\" title=\"Add Kanji\" class=\"action-add-note pending disabled\" data-mode=\"kanji\"><img src=\"/mixed/img/add-kanji.png\" alt></a>\n";
 },"4":function(container,depth0,helpers,partials,data) {
-    return "            <a href=\"#\" title=\"Source term\" class=\"source-term\"><img src=\"/mixed/img/source-term.png\"></a>\n";
+    return "        <a href=\"#\" title=\"Source term\" class=\"source-term\"><img src=\"/mixed/img/source-term.png\" alt></a>\n";
 },"6":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return "                        "
+  return "                    "
     + container.escapeExpression(container.lambda(depth0, depth0))
     + ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(data && data.last),{"name":"unless","hash":{},"fn":container.program(7, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "\n";
@@ -318,7 +314,7 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
 },"9":function(container,depth0,helpers,partials,data) {
     var helper, alias1=depth0 != null ? depth0 : {}, alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
 
-  return "            <span class=\"label label-default tag-"
+  return "        <span class=\"label label-default tag-"
     + alias4(((helper = (helper = helpers.category || (depth0 != null ? depth0.category : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"category","hash":{},"data":data}) : helper)))
     + "\" title=\""
     + alias4(((helper = (helper = helpers.notes || (depth0 != null ? depth0.notes : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"notes","hash":{},"data":data}) : helper)))
@@ -328,12 +324,12 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
 },"11":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return "            <ol>\n"
+  return "        <ol>\n"
     + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.glossary : depth0),{"name":"each","hash":{},"fn":container.program(12, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
-    + "            </ol>\n";
+    + "        </ol>\n";
 },"12":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
-  "                    <li><span class=\"glossary-item\">";
+  "            <li><span class=\"glossary-item\">";
   stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(13, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
   if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
@@ -342,7 +338,7 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
     return container.escapeExpression(container.lambda(depth0, depth0));
 },"15":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
-  "            <div class=\"glossary-item\">";
+  "        <div class=\"glossary-item\">";
   stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(16, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
   if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
@@ -358,14 +354,13 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
 },"19":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return "        "
-    + ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(data && data.first),{"name":"unless","hash":{},"fn":container.program(20, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+  return ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(data && data.first),{"name":"unless","hash":{},"fn":container.program(20, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "\n"
-    + ((stack1 = container.invokePartial(partials.kanji,depth0,{"name":"kanji","hash":{"root":(depths[1] != null ? depths[1].root : depths[1]),"source":(depths[1] != null ? depths[1].source : depths[1]),"addable":(depths[1] != null ? depths[1].addable : depths[1])},"data":data,"indent":"        ","helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
+    + ((stack1 = container.invokePartial(partials.kanji,depth0,{"name":"kanji","hash":{"root":(depths[1] != null ? depths[1].root : depths[1]),"source":(depths[1] != null ? depths[1].source : depths[1]),"addable":(depths[1] != null ? depths[1].addable : depths[1])},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
 },"20":function(container,depth0,helpers,partials,data) {
     return "<hr>";
 },"22":function(container,depth0,helpers,partials,data) {
-    return "    <p>No results found.</p>\n";
+    return "<p>No results found.</p>\n";
 },"compiler":[7,">= 4.0.0"],"main":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
@@ -381,7 +376,7 @@ templates['kanji.html'] = template({"1":function(container,depth0,helpers,partia
 
 ,"useDecorators":true,"usePartial":true,"useData":true,"useDepths":true});
 templates['model.html'] = template({"1":function(container,depth0,helpers,partials,data) {
-    return "                        <li><a class=\"marker-link\" href=\"#\">"
+    return "                    <li><a class=\"marker-link\" href=\"#\">"
     + container.escapeExpression(container.lambda(depth0, depth0))
     + "</a></li>\n";
 },"compiler":[7,">= 4.0.0"],"main":function(container,depth0,helpers,partials,data) {
@@ -405,13 +400,13 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
 },"2":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return "        <div>\n"
+  return "<div>\n"
     + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.tags : depth0),{"name":"each","hash":{},"fn":container.program(3, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
-    + "        </div>\n";
+    + "</div>\n";
 },"3":function(container,depth0,helpers,partials,data) {
     var helper, alias1=depth0 != null ? depth0 : {}, alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
 
-  return "                <span class=\"label label-default tag-"
+  return "    <span class=\"label label-default tag-"
     + alias4(((helper = (helper = helpers.category || (depth0 != null ? depth0.category : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"category","hash":{},"data":data}) : helper)))
     + "\" title=\""
     + alias4(((helper = (helper = helpers.notes || (depth0 != null ? depth0.notes : depth0)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"notes","hash":{},"data":data}) : helper)))
@@ -421,12 +416,12 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
 },"5":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return "        <ul>\n"
+  return "<ul>\n"
     + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.glossary : depth0),{"name":"each","hash":{},"fn":container.program(6, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
-    + "        </ul>\n";
+    + "</ul>\n";
 },"6":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
-  "                <li><span class=\"glossary-item\">";
+  "    <li><span class=\"glossary-item\">";
   stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(7, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
   if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
@@ -435,7 +430,7 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
     return container.escapeExpression(container.lambda(depth0, depth0));
 },"9":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
-  "        <div class=\"glossary-item\">";
+  "<div class=\"glossary-item\">";
   stack1 = ((helper = (helper = helpers.multiLine || (depth0 != null ? depth0.multiLine : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"multiLine","hash":{},"fn":container.program(10, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
   if (!helpers.multiLine) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
@@ -458,22 +453,12 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
     + ((stack1 = helpers["if"].call(alias1,(depth0 != null ? depth0.grouped : depth0),{"name":"if","hash":{},"fn":container.program(26, data, 0),"inverse":container.program(32, data, 0),"data":data})) != null ? stack1 : "")
     + "    </div>\n</div>\n";
 },"13":function(container,depth0,helpers,partials,data) {
-    var helper, alias1=depth0 != null ? depth0 : {}, alias2=helpers.helperMissing, alias3="function", alias4=container.escapeExpression;
-
-  return "            <a href=\"#\" title=\"Add term as expression\" class=\"action-add-note pending disabled\" data-mode=\"term-kanji\" data-index=\""
-    + alias4(((helper = (helper = helpers.index || (data && data.index)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"index","hash":{},"data":data}) : helper)))
-    + "\"><img src=\"/mixed/img/add-term-kanji.png\"></a>\n            <a href=\"#\" title=\"Add term as reading\" class=\"action-add-note pending disabled\" data-mode=\"term-kana\" data-index=\""
-    + alias4(((helper = (helper = helpers.index || (data && data.index)) != null ? helper : alias2),(typeof helper === alias3 ? helper.call(alias1,{"name":"index","hash":{},"data":data}) : helper)))
-    + "\"><img src=\"/mixed/img/add-term-kana.png\"></a>\n";
+    return "        <a href=\"#\" title=\"Add expression\" class=\"action-add-note pending disabled\" data-mode=\"term-kanji\"><img src=\"/mixed/img/add-term-kanji.png\" alt></a>\n        <a href=\"#\" title=\"Add reading\" class=\"action-add-note pending disabled\" data-mode=\"term-kana\"><img src=\"/mixed/img/add-term-kana.png\" alt></a>\n";
 },"15":function(container,depth0,helpers,partials,data) {
-    var helper;
-
-  return "            <a href=\"#\" title=\"Play audio\" class=\"action-play-audio\" data-index=\""
-    + container.escapeExpression(((helper = (helper = helpers.index || (data && data.index)) != null ? helper : helpers.helperMissing),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},{"name":"index","hash":{},"data":data}) : helper)))
-    + "\"><img src=\"/mixed/img/play-audio.png\"></a>\n";
+    return "        <a href=\"#\" title=\"Play audio\" class=\"action-play-audio\"><img src=\"/mixed/img/play-audio.png\" alt></a>\n";
 },"17":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, alias1=depth0 != null ? depth0 : {}, alias2=helpers.helperMissing, alias3="function", buffer = 
-  "        <div class=\"expression\"><ruby>";
+  "    <div class=\"expression\"><ruby>";
   stack1 = ((helper = (helper = helpers.kanjiLinks || (depth0 != null ? depth0.kanjiLinks : depth0)) != null ? helper : alias2),(options={"name":"kanjiLinks","hash":{},"fn":container.program(18, data, 0),"inverse":container.noop,"data":data}),(typeof helper === alias3 ? helper.call(alias1,options) : helper));
   if (!helpers.kanjiLinks) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
@@ -486,7 +471,7 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
   return container.escapeExpression(((helper = (helper = helpers.expression || (depth0 != null ? depth0.expression : depth0)) != null ? helper : helpers.helperMissing),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},{"name":"expression","hash":{},"data":data}) : helper)));
 },"20":function(container,depth0,helpers,partials,data) {
     var stack1, helper, options, buffer = 
-  "        <div class=\"expression\">";
+  "    <div class=\"expression\">";
   stack1 = ((helper = (helper = helpers.kanjiLinks || (depth0 != null ? depth0.kanjiLinks : depth0)) != null ? helper : helpers.helperMissing),(options={"name":"kanjiLinks","hash":{},"fn":container.program(18, data, 0),"inverse":container.noop,"data":data}),(typeof helper === "function" ? helper.call(depth0 != null ? depth0 : {},options) : helper));
   if (!helpers.kanjiLinks) { stack1 = helpers.blockHelperMissing.call(depth0,stack1,options)}
   if (stack1 != null) { buffer += stack1; }
@@ -494,13 +479,13 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
 },"22":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return "        <div class=\"reasons\">\n"
+  return "    <div class=\"reasons\">\n"
     + ((stack1 = helpers.each.call(depth0 != null ? depth0 : {},(depth0 != null ? depth0.reasons : depth0),{"name":"each","hash":{},"fn":container.program(23, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
-    + "        </div>\n";
+    + "    </div>\n";
 },"23":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return "                <span class=\"reasons\">"
+  return "        <span class=\"reasons\">"
     + container.escapeExpression(container.lambda(depth0, depth0))
     + "</span> "
     + ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(data && data.last),{"name":"unless","hash":{},"fn":container.program(24, data, 0),"inverse":container.noop,"data":data})) != null ? stack1 : "")
@@ -520,13 +505,13 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
 },"28":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return "                <li>"
+  return "            <li>"
     + ((stack1 = container.invokePartial(partials.definition,depth0,{"name":"definition","data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "")
     + "</li>\n";
 },"30":function(container,depth0,helpers,partials,data) {
     var stack1;
 
-  return ((stack1 = container.invokePartial(partials.definition,((stack1 = (depth0 != null ? depth0.definitions : depth0)) != null ? stack1["0"] : stack1),{"name":"definition","data":data,"indent":"            ","helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
+  return ((stack1 = container.invokePartial(partials.definition,((stack1 = (depth0 != null ? depth0.definitions : depth0)) != null ? stack1["0"] : stack1),{"name":"definition","data":data,"indent":"        ","helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
 },"32":function(container,depth0,helpers,partials,data) {
     var stack1;
 
@@ -538,14 +523,13 @@ templates['terms.html'] = template({"1":function(container,depth0,helpers,partia
 },"35":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
-  return "        "
-    + ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(data && data.first),{"name":"unless","hash":{},"fn":container.program(36, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
+  return ((stack1 = helpers.unless.call(depth0 != null ? depth0 : {},(data && data.first),{"name":"unless","hash":{},"fn":container.program(36, data, 0, blockParams, depths),"inverse":container.noop,"data":data})) != null ? stack1 : "")
     + "\n"
-    + ((stack1 = container.invokePartial(partials.term,depth0,{"name":"term","hash":{"playback":(depths[1] != null ? depths[1].playback : depths[1]),"addable":(depths[1] != null ? depths[1].addable : depths[1]),"grouped":(depths[1] != null ? depths[1].grouped : depths[1])},"data":data,"indent":"        ","helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
+    + ((stack1 = container.invokePartial(partials.term,depth0,{"name":"term","hash":{"playback":(depths[1] != null ? depths[1].playback : depths[1]),"addable":(depths[1] != null ? depths[1].addable : depths[1]),"grouped":(depths[1] != null ? depths[1].grouped : depths[1])},"data":data,"helpers":helpers,"partials":partials,"decorators":container.decorators})) != null ? stack1 : "");
 },"36":function(container,depth0,helpers,partials,data) {
     return "<hr>";
 },"38":function(container,depth0,helpers,partials,data) {
-    return "    <p>No results found.</p>\n";
+    return "<p>No results found.</p>\n";
 },"compiler":[7,">= 4.0.0"],"main":function(container,depth0,helpers,partials,data,blockParams,depths) {
     var stack1;
 
diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index 57c9b882..6ce84626 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -47,6 +47,9 @@ class Display {
     }
 
     showTermDefs(definitions, options, context) {
+        this.spinner.hide();
+        this.definitions = definitions;
+
         const sequence = ++this.sequence;
         const params = {
             definitions,
@@ -56,26 +59,29 @@ class Display {
         };
 
         if (context) {
-            definitions.forEach(definition => {
+            for (const definition of definitions) {
                 definition.sentence = context.sentence;
                 definition.url = context.url;
-            });
+            }
         }
 
-        this.definitions = definitions;
-        this.spinner.hide();
-
         this.templateRender('terms.html', params).then(content => {
             this.container.html(content);
+
+            let offset = 0;
             if (context && context.hasOwnProperty('index') && context.index < definitions.length) {
                 const entry = $('.entry').eq(context.index);
-                window.scrollTo(0, entry.offset().top);
-            } else {
-                window.scrollTo(0, 0);
+                offset = entry.offset().top;
             }
 
+            window.scrollTo(0, offset);
+
             $('.action-add-note').click(this.onActionAddNote.bind(this));
-            $('.action-play-audio').click(this.onActionPlayAudio.bind(this));
+            $('.action-play-audio').click(e => {
+                e.preventDefault();
+                const index = Display.entryIndexFind($(e.currentTarget));
+                Display.audioPlay(this.definitions[index], this.audioCache);
+            });
             $('.kanji-link').click(e => {
                 e.preventDefault();
 
@@ -83,7 +89,7 @@ class Display {
                 if (context) {
                     context.source = {
                         definitions,
-                        index: $('.entry').index(link.closest('.entry'))
+                        index: Display.entryIndexFind(link)
                     };
                 }
 
@@ -97,6 +103,9 @@ class Display {
     }
 
     showKanjiDefs(definitions, options, context) {
+        this.spinner.hide();
+        this.definitions = definitions;
+
         const sequence = ++this.sequence;
         const params = {
             definitions,
@@ -105,18 +114,15 @@ class Display {
         };
 
         if (context) {
-            definitions.forEach(definition => {
+            for (const definition of definitions) {
                 definition.sentence = context.sentence;
                 definition.url = context.url;
-            });
+            }
         }
 
-        this.definitions = definitions;
-        this.spinner.hide();
-
         this.templateRender('kanji.html', params).then(content => {
-            window.scrollTo(0, 0);
             this.container.html(content);
+            window.scrollTo(0, 0);
 
             $('.action-add-note').click(this.onActionAddNote.bind(this));
             $('.source-term').click(e => {
@@ -132,10 +138,6 @@ class Display {
         }).catch(this.handleError.bind(this));
     }
 
-    adderButtonFind(index, mode) {
-        return $(`.action-add-note[data-index="${index}"][data-mode="${mode}"]`);
-    }
-
     adderButtonsUpdate(modes, sequence) {
         return this.definitionsAddable(this.definitions, modes).then(states => {
             if (states === null || sequence !== this.sequence) {
@@ -144,7 +146,7 @@ class Display {
 
             states.forEach((state, index) => {
                 for (const mode in state) {
-                    const button = this.adderButtonFind(index, mode);
+                    const button = Display.adderButtonFind(index, mode);
                     if (state[mode]) {
                         button.removeClass('disabled');
                     } else {
@@ -157,21 +159,15 @@ class Display {
         });
     }
 
-    onActionPlayAudio(e) {
-        e.preventDefault();
-        const index = $(e.currentTarget).data('index');
-        this.audioPlay(this.definitions[index]);
-    }
-
     onActionAddNote(e) {
         e.preventDefault();
         this.spinner.show();
 
         const link = $(e.currentTarget);
-        const index = link.data('index');
         const mode = link.data('mode');
-
+        const index = Display.entryIndexFind(link);
         const definition = this.definitions[index];
+
         if (mode !== 'kanji') {
             const url = Display.audioBuildUrl(definition);
             const filename = Display.audioBuildFilename(definition);
@@ -182,17 +178,16 @@ class Display {
 
         this.definitionAdd(definition, mode).then(success => {
             if (success) {
-                const button = this.adderButtonFind(index, mode);
-                button.addClass('disabled');
+                Display.adderButtonFind(index, mode).addClass('disabled');
             } else {
                 this.handleError('note could not be added');
             }
         }).catch(this.handleError.bind(this)).then(() => this.spinner.hide());
     }
 
-    audioPlay(definition) {
-        for (const key in this.audioCache) {
-            const audio = this.audioCache[key];
+    static audioPlay(definition, cache) {
+        for (const key in cache) {
+            const audio = cache[key];
             if (audio !== null) {
                 audio.pause();
             }
@@ -203,7 +198,7 @@ class Display {
             return;
         }
 
-        let audio = this.audioCache[url];
+        let audio = cache[url];
         if (audio) {
             audio.currentTime = 0;
             audio.play();
@@ -214,12 +209,20 @@ class Display {
                     audio = new Audio('/mixed/mp3/button.mp3');
                 }
 
-                this.audioCache[url] = audio;
+                cache[url] = audio;
                 audio.play();
             };
         }
     }
 
+    static entryIndexFind(element) {
+        return $('.entry').index(element.closest('.entry'));
+    }
+
+    static adderButtonFind(index, mode) {
+        return $('.entry').eq(index).find(`.action-add-note[data-mode="${mode}"]`);
+    }
+
     static audioBuildUrl(definition) {
         let kana = definition.reading;
         let kanji = definition.expression;