i18n some axis labels, and support vertical CJK text

rslib/ftl/statistics.ftl

@@ -95,3 +95,6 @@ statistics-answer-buttons-title = Answer Buttons
 statistics-hours-title = Hourly Breakdown
 statistics-added-title = Added
 statistics-card-ease-title = Card Ease
+statistics-axis-label-answer-count = Answers
+statistics-axis-label-card-count = Cards
+statistics-axis-label-review-time = Review Time

ts/src/i18n.ts

@@ -36,6 +36,15 @@ export class I18n {
         return `missing key: ${key}`;
     }
 
+    supportsVerticalText(): boolean {
+        const firstLang = this.bundles[0].locales[0];
+        return (
+            firstLang.startsWith("ja") ||
+            firstLang.startsWith("zh") ||
+            firstLang.startsWith("ko")
+        );
+    }
+
     private keyName(msg: pb.BackendProto.FluentString): string {
         return this.TR[msg].toLowerCase().replace(/_/g, "-");
     }

ts/src/stats/AddedGraph.svelte

@@ -15,12 +15,10 @@
 
     let addedData: GraphData | null = null;
     $: if (sourceData) {
-        console.log("gathering data");
         addedData = gatherData(sourceData);
     }
 
     $: if (addedData) {
-        console.log("preparing data");
         histogramData = buildHistogram(addedData, range);
     }
 
@@ -29,6 +27,7 @@
     const month3 = timeSpan(i18n, 3 * MONTH);
     const year = timeSpan(i18n, 1 * YEAR);
     const all = i18n.tr(i18n.TR.STATISTICS_RANGE_ALL_TIME);
+    const yText = i18n.tr(i18n.TR.STATISTICS_AXIS_LABEL_CARD_COUNT);
 </script>
 
 {#if histogramData}
@@ -54,6 +53,6 @@
             </label>
         </div>
 
-        <HistogramGraph data={histogramData} xText="Days" yText="Number of cards" />
+        <HistogramGraph data={histogramData} xText="Days" {yText} {i18n} />
     </div>
 {/if}

ts/src/stats/AxisLabels.svelte

@@ -1,8 +1,16 @@
 <script lang="typescript">
     import { GraphBounds } from "./graphs";
+    import { I18n } from "../i18n";
+
     export let bounds: GraphBounds;
     export let xText: string;
     export let yText: string;
+    export let i18n: I18n;
+
+    let yRotate = 180;
+    if (i18n.supportsVerticalText()) {
+        yRotate = 0;
+    }
 </script>
 
 <text
@@ -12,6 +20,7 @@
 </text>
 <text
     class="axis-label y-axis-label"
-    transform={`translate(${bounds.marginLeft / 3}, ${(bounds.height - bounds.marginBottom) / 2 + bounds.marginTop}) rotate(-180)`}>
+    transform={`translate(${bounds.marginLeft / 3}, ${(bounds.height - bounds.marginBottom) / 2 + bounds.marginTop})
+    rotate(${yRotate} 0 0)`}>
     {yText}
 </text>

ts/src/stats/ButtonsGraph.svelte

@@ -11,16 +11,15 @@
 
     const bounds = defaultGraphBounds();
     const xText = "";
-    const yText = "Times pressed";
 
     let svg = null as HTMLElement | SVGElement | null;
 
     $: if (sourceData) {
-        console.log("gathering data");
         renderButtons(svg as SVGElement, bounds, gatherData(sourceData));
     }
 
     const title = i18n.tr(i18n.TR.STATISTICS_ANSWER_BUTTONS_TITLE);
+    const yText = i18n.tr(i18n.TR.STATISTICS_AXIS_LABEL_ANSWER_COUNT);
 </script>
 
 <div class="graph">
@@ -30,6 +29,6 @@
         <g class="bars" />
         <g class="hoverzone" />
         <AxisTicks {bounds} />
-        <AxisLabels {bounds} {xText} {yText} />
+        <AxisLabels {bounds} {xText} {yText} {i18n} />
     </svg>
 </div>

ts/src/stats/CardCounts.svelte

@@ -8,7 +8,6 @@
 
     let cardCounts: CardCounts | null = null;
     $: if (sourceData) {
-        console.log("gathering data");
         cardCounts = gatherData(sourceData, i18n);
     }
 </script>

ts/src/stats/EaseGraph.svelte

@@ -12,17 +12,17 @@
     let histogramData = null as HistogramData | null;
 
     $: if (sourceData) {
-        console.log("gathering data");
         histogramData = prepareData(gatherData(sourceData));
     }
 
     const title = i18n.tr(i18n.TR.STATISTICS_CARD_EASE_TITLE);
+    const yText = i18n.tr(i18n.TR.STATISTICS_AXIS_LABEL_CARD_COUNT);
 </script>
 
 {#if histogramData}
     <div class="graph">
         <h1>{title}</h1>
 
-        <HistogramGraph data={histogramData} xText="Ease (%)" yText="Number of cards" />
+        <HistogramGraph data={histogramData} xText="Ease (%)" {yText} {i18n} />
     </div>
 {/if}

ts/src/stats/FutureDue.svelte

@@ -23,12 +23,10 @@
     let range = FutureDueRange.Month;
 
     $: if (sourceData) {
-        console.log("gathering data");
         graphData = gatherData(sourceData);
     }
 
     $: if (graphData) {
-        console.log("preparing data");
         histogramData = buildHistogram(graphData, range);
     }
 
@@ -37,6 +35,7 @@
     const month3 = timeSpan(i18n, 3 * MONTH);
     const year = timeSpan(i18n, 1 * YEAR);
     const all = i18n.tr(i18n.TR.STATISTICS_RANGE_ALL_TIME);
+    const yText = i18n.tr(i18n.TR.STATISTICS_AXIS_LABEL_CARD_COUNT);
 </script>
 
 {#if histogramData}
@@ -44,6 +43,10 @@
     <div class="graph">
         <h1>{title}</h1>
 
+        <div class="range-box-inner">
+            The number of cards studied each day, relative to today.
+        </div>
+
         <div class="range-box-inner">
             <label>
                 <input type="radio" bind:group={range} value={FutureDueRange.Month} />
@@ -63,10 +66,7 @@
             </label>
         </div>
 
-        <HistogramGraph
-            data={histogramData}
-            xText="Days from now"
-            yText="Number of cards" />
+        <HistogramGraph data={histogramData} xText="" {yText} {i18n} />
 
     </div>
 {/if}

ts/src/stats/HistogramGraph.svelte

@@ -3,8 +3,10 @@
     import AxisLabels from "./AxisLabels.svelte";
     import AxisTicks from "./AxisTicks.svelte";
     import { defaultGraphBounds } from "./graphs";
+    import { I18n } from "../i18n";
 
     export let data: HistogramData | null = null;
+    export let i18n: I18n;
     export let xText: string;
     export let yText: string;
 
@@ -21,5 +23,5 @@
     <g class="hoverzone" />
     <path class="area" />
     <AxisTicks {bounds} />
-    <AxisLabels {bounds} {xText} {yText} />
+    <AxisLabels {bounds} {xText} {yText} {i18n} />
 </svg>

ts/src/stats/HourGraph.svelte

@@ -11,16 +11,15 @@
 
     const bounds = defaultGraphBounds();
     const xText = "";
-    const yText = "Times pressed";
 
     let svg = null as HTMLElement | SVGElement | null;
 
     $: if (sourceData) {
-        console.log("gathering data");
         renderHours(svg as SVGElement, bounds, gatherData(sourceData));
     }
 
     const title = i18n.tr(i18n.TR.STATISTICS_HOURS_TITLE);
+    const yText = i18n.tr(i18n.TR.STATISTICS_AXIS_LABEL_ANSWER_COUNT);
 </script>
 
 <div class="graph">
@@ -31,6 +30,6 @@
         <path class="area" />
         <g class="hoverzone" />
         <AxisTicks {bounds} />
-        <AxisLabels {bounds} {xText} {yText} />
+        <AxisLabels {bounds} {xText} {yText} {i18n} />
     </svg>
 </div>

ts/src/stats/IntervalsGraph.svelte

@@ -21,18 +21,17 @@
     let range = IntervalRange.Percentile95;
 
     $: if (sourceData) {
-        console.log("gathering data");
         intervalData = gatherIntervalData(sourceData);
     }
 
     $: if (intervalData) {
-        console.log("preparing data");
         histogramData = prepareIntervalData(intervalData, range);
     }
 
     const title = i18n.tr(i18n.TR.STATISTICS_INTERVALS_TITLE);
     const month = timeSpan(i18n, 1 * MONTH);
     const all = i18n.tr(i18n.TR.STATISTICS_RANGE_ALL_TIME);
+    const yText = i18n.tr(i18n.TR.STATISTICS_AXIS_LABEL_CARD_COUNT);
 </script>
 
 {#if histogramData}
@@ -71,9 +70,6 @@
             </label>
         </div>
 
-        <HistogramGraph
-            data={histogramData}
-            xText="Interval (days)"
-            yText="Number of cards" />
+        <HistogramGraph data={histogramData} xText="Interval (days)" {yText} {i18n} />
     </div>
 {/if}

ts/src/stats/ReviewsGraph.svelte

@@ -32,21 +32,27 @@
     }
 
     const xText = "";
-    const yText = "Times pressed";
 
     $: if (sourceData) {
-        console.log("gathering data");
         graphData = gatherData(sourceData);
     }
 
     $: if (graphData) {
-        renderReviews(svg as SVGElement, bounds, graphData, range, showTime);
+        renderReviews(svg as SVGElement, bounds, graphData, range, showTime, i18n);
     }
 
     const title = i18n.tr(i18n.TR.STATISTICS_REVIEWS_TITLE);
     const month = timeSpan(i18n, 1 * MONTH);
     const month3 = timeSpan(i18n, 3 * MONTH);
     const year = timeSpan(i18n, 1 * YEAR);
+    const all = i18n.tr(i18n.TR.STATISTICS_RANGE_ALL_TIME);
+
+    let yText: string;
+    $: if (showTime) {
+        yText = i18n.tr(i18n.TR.STATISTICS_AXIS_LABEL_REVIEW_TIME);
+    } else {
+        yText = i18n.tr(i18n.TR.STATISTICS_AXIS_LABEL_ANSWER_COUNT);
+    }
 </script>
 
 <div class="graph">
@@ -75,7 +81,7 @@
         {#if revlogRange === RevlogRange.All}
             <label>
                 <input type="radio" bind:group={range} value={ReviewRange.AllTime} />
-                All time
+                {all}
             </label>
         {/if}
     </div>
@@ -87,7 +93,7 @@
         <path class="area" />
         <g class="hoverzone" />
         <AxisTicks {bounds} />
-        <AxisLabels {bounds} {xText} {yText} />
+        <AxisLabels {bounds} {xText} {yText} {i18n} />
     </svg>
 
 </div>

ts/src/stats/graphs.css

@@ -81,8 +81,7 @@
 }
 
 .y-axis-label {
-    writing-mode: vertical-rl;
-    rotate: 180;
+    writing-mode: vertical-lr;
 }
 
 .hoverzone rect {

ts/src/stats/reviews.ts

@@ -21,6 +21,8 @@ import { showTooltip, hideTooltip } from "./tooltip";
 import { GraphBounds } from "./graphs";
 import { area, curveBasis } from "d3-shape";
 import { min, histogram, sum, max, Bin, cumsum } from "d3-array";
+import { timeSpan } from "../time";
+import { I18n } from "../i18n";
 
 interface Reviews {
     mature: number;
@@ -111,7 +113,8 @@ export function renderReviews(
     bounds: GraphBounds,
     sourceData: GraphData,
     range: ReviewRange,
-    showTime: boolean
+    showTime: boolean,
+    i18n: I18n
 ): void {
     const xMax = 0;
     let xMin = 0;
@@ -161,6 +164,17 @@ export function renderReviews(
             axisLeft(y)
                 .ticks(bounds.height / 80)
                 .tickSizeOuter(0)
+                .tickFormat(((n: number): string => {
+                    if (showTime) {
+                        return timeSpan(i18n, n / 1000);
+                    } else {
+                        if (Math.round(n) != n) {
+                            return "";
+                        } else {
+                            return n.toString();
+                        }
+                    }
+                }) as any)
         );
 
     // x bars