yomichan/ext/js/display/display-generator.js

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/*
* Copyright (C) 2019-2021 Yomichan Authors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
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/* global
* DictionaryDataUtil
* HtmlTemplateCollection
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*/
class DisplayGenerator {
constructor({japaneseUtil, mediaLoader, hotkeyHelpController=null}) {
this._japaneseUtil = japaneseUtil;
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this._mediaLoader = mediaLoader;
this._hotkeyHelpController = hotkeyHelpController;
this._templates = null;
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this._termPitchAccentStaticTemplateIsSetup = false;
}
async prepare() {
const html = await yomichan.api.getDisplayTemplatesHtml();
this._templates = new HtmlTemplateCollection(html);
this.updateHotkeys();
}
updateHotkeys() {
const hotkeyHelpController = this._hotkeyHelpController;
if (hotkeyHelpController === null) { return; }
for (const template of this._templates.getAllTemplates()) {
hotkeyHelpController.setupNode(template.content);
}
}
preparePitchAccents() {
if (this._termPitchAccentStaticTemplateIsSetup) { return; }
this._termPitchAccentStaticTemplateIsSetup = true;
const t = this._templates.instantiate('pitch-accent-static');
document.head.appendChild(t);
}
createTermEntry(details) {
const node = this._templates.instantiate('term-entry');
const expressionsContainer = node.querySelector('.expression-list');
const reasonsContainer = node.querySelector('.inflection-list');
const pitchesContainer = node.querySelector('.pitch-accent-group-list');
const frequencyGroupListContainer = node.querySelector('.frequency-group-list');
const definitionsContainer = node.querySelector('.definition-list');
const termTagsContainer = node.querySelector('.expression-list-tag-list');
const {headwords: expressions, type, inflections: reasons, definitions, frequencies, pronunciations} = details;
const pitches = DictionaryDataUtil.getPitchAccentInfos(details);
const pitchCount = pitches.reduce((i, v) => i + v.pitches.length, 0);
const groupedFrequencies = DictionaryDataUtil.groupTermFrequencies(details);
const termTags = DictionaryDataUtil.groupTermTags(details);
const uniqueExpressions = new Set();
const uniqueReadings = new Set();
for (const {term: expression, reading} of expressions) {
uniqueExpressions.add(expression);
uniqueReadings.add(reading);
}
node.dataset.format = type;
node.dataset.expressionCount = `${expressions.length}`;
node.dataset.definitionCount = `${definitions.length}`;
node.dataset.pitchAccentDictionaryCount = `${pitches.length}`;
node.dataset.pitchAccentCount = `${pitchCount}`;
node.dataset.uniqueExpressionCount = `${uniqueExpressions.size}`;
node.dataset.uniqueReadingCount = `${uniqueReadings.size}`;
node.dataset.frequencyCount = `${frequencies.length}`;
node.dataset.groupedFrequencyCount = `${groupedFrequencies.length}`;
for (let i = 0, ii = expressions.length; i < ii; ++i) {
const node2 = this._createTermExpression(expressions[i], i, pronunciations);
node2.dataset.index = `${i}`;
expressionsContainer.appendChild(node2);
}
expressionsContainer.dataset.count = `${expressions.length}`;
this._appendMultiple(reasonsContainer, this._createTermReason.bind(this), reasons);
this._appendMultiple(frequencyGroupListContainer, this._createFrequencyGroup.bind(this), groupedFrequencies, false);
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this._appendMultiple(pitchesContainer, this._createPitches.bind(this), pitches);
this._appendMultiple(termTagsContainer, this._createTermTag.bind(this), termTags, expressions.length);
for (const expression of uniqueExpressions) {
termTagsContainer.appendChild(this._createSearchTag(expression));
}
for (const reading of uniqueReadings) {
if (uniqueExpressions.has(reading)) { continue; }
termTagsContainer.appendChild(this._createSearchTag(reading));
}
// Add definitions
const dictionaryTag = this._createDictionaryTag(null);
for (let i = 0, ii = definitions.length; i < ii; ++i) {
const definition = definitions[i];
const {dictionary} = definition;
if (dictionaryTag.dictionary === dictionary) {
dictionaryTag.redundant = true;
} else {
dictionaryTag.redundant = false;
dictionaryTag.dictionary = dictionary;
dictionaryTag.name = dictionary;
}
const node2 = this._createTermDefinitionItem(definition, dictionaryTag, expressions, uniqueExpressions, uniqueReadings);
node2.dataset.index = `${i}`;
definitionsContainer.appendChild(node2);
}
definitionsContainer.dataset.count = `${definitions.length}`;
return node;
}
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createKanjiEntry(details) {
const node = this._templates.instantiate('kanji-entry');
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const glyphContainer = node.querySelector('.kanji-glyph');
const frequencyGroupListContainer = node.querySelector('.frequency-group-list');
const tagContainer = node.querySelector('.kanji-tag-list');
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const glossaryContainer = node.querySelector('.kanji-glossary-list');
const chineseReadingsContainer = node.querySelector('.kanji-readings-chinese');
const japaneseReadingsContainer = node.querySelector('.kanji-readings-japanese');
const statisticsContainer = node.querySelector('.kanji-statistics');
const classificationsContainer = node.querySelector('.kanji-classifications');
const codepointsContainer = node.querySelector('.kanji-codepoints');
const dictionaryIndicesContainer = node.querySelector('.kanji-dictionary-indices');
this._setTextContent(glyphContainer, details.character, 'ja');
const groupedFrequencies = DictionaryDataUtil.groupKanjiFrequencies(details.frequencies);
const dictionaryTag = this._createDictionaryTag(details.dictionary);
this._appendMultiple(frequencyGroupListContainer, this._createFrequencyGroup.bind(this), groupedFrequencies, true);
this._appendMultiple(tagContainer, this._createTag.bind(this), [...details.tags, dictionaryTag]);
this._appendMultiple(glossaryContainer, this._createKanjiGlossaryItem.bind(this), details.definitions);
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this._appendMultiple(chineseReadingsContainer, this._createKanjiReading.bind(this), details.onyomi);
this._appendMultiple(japaneseReadingsContainer, this._createKanjiReading.bind(this), details.kunyomi);
statisticsContainer.appendChild(this._createKanjiInfoTable(details.stats.misc));
classificationsContainer.appendChild(this._createKanjiInfoTable(details.stats.class));
codepointsContainer.appendChild(this._createKanjiInfoTable(details.stats.code));
dictionaryIndicesContainer.appendChild(this._createKanjiInfoTable(details.stats.index));
return node;
}
createEmptyFooterNotification() {
return this._templates.instantiate('footer-notification');
}
createTagFooterNotificationDetails(tagNode, dictionaryEntry) {
const node = this._templates.instantiateFragment('footer-notification-tag-details');
let details = tagNode.dataset.details;
if (typeof details !== 'string') {
const label = tagNode.querySelector('.tag-label-content');
details = label !== null ? label.textContent : '';
}
this._setTextContent(node.querySelector('.tag-details'), details);
if (dictionaryEntry !== null) {
const {headwords} = dictionaryEntry;
const disambiguationHeadwords = [];
const {headwords: headwordIndices} = tagNode.dataset;
if (typeof headwordIndices === 'string' && headwordIndices.length > 0) {
for (let headwordIndex of headwordIndices.split(' ')) {
headwordIndex = Number.parseInt(headwordIndex, 10);
if (!Number.isNaN(headwordIndex) && headwordIndex >= 0 && headwordIndex < headwords.length) {
disambiguationHeadwords.push(headwords[headwordIndex]);
}
}
}
if (disambiguationHeadwords.length > 0 && disambiguationHeadwords.length < headwords.length) {
const disambiguationContainer = node.querySelector('.tag-details-disambiguation-list');
const copyAttributes = ['totalExpressionCount', 'matchedExpressionCount', 'unmatchedExpressionCount'];
for (const attribute of copyAttributes) {
const value = tagNode.dataset[attribute];
if (typeof value === 'undefined') { continue; }
disambiguationContainer.dataset[attribute] = value;
}
for (const {term, reading} of disambiguationHeadwords) {
const disambiguationItem = document.createElement('span');
disambiguationItem.className = 'tag-details-disambiguation';
this._appendFurigana(disambiguationItem, term, reading, (container, text) => {
container.appendChild(document.createTextNode(text));
});
disambiguationContainer.appendChild(disambiguationItem);
}
}
}
return node;
}
createAnkiNoteErrorsNotificationContent(errors) {
const content = this._templates.instantiate('footer-notification-anki-errors-content');
const header = content.querySelector('.anki-note-error-header');
this._setTextContent(header, (errors.length === 1 ? 'An error occurred:' : `${errors.length} errors occurred:`), 'en');
const list = content.querySelector('.anki-note-error-list');
for (const error of errors) {
const div = document.createElement('li');
div.className = 'anki-note-error-message';
this._setTextContent(div, isObject(error) && typeof error.message === 'string' ? error.message : `${error}`);
list.appendChild(div);
}
return content;
}
createProfileListItem() {
return this._templates.instantiate('profile-list-item');
}
instantiateTemplate(name) {
return this._templates.instantiate(name);
}
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// Private
_createTermExpression(headword, headwordIndex, pronunciations) {
const {term: expression, reading, tags: termTags} = headword;
const searchQueries = [];
if (expression) { searchQueries.push(expression); }
if (reading) { searchQueries.push(reading); }
const node = this._templates.instantiate('expression');
const expressionContainer = node.querySelector('.expression-text');
const tagContainer = node.querySelector('.expression-tag-list');
node.dataset.readingIsSame = `${reading === expression}`;
node.dataset.frequency = DictionaryDataUtil.getTermFrequency(termTags);
const pitchAccentCategories = this._getPitchAccentCategories(reading, pronunciations, headwordIndex);
if (pitchAccentCategories !== null) {
node.dataset.pitchAccentCategories = pitchAccentCategories;
}
this._setTextContent(node.querySelector('.expression-reading'), reading);
this._appendFurigana(expressionContainer, expression, reading, this._appendKanjiLinks.bind(this));
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this._appendMultiple(tagContainer, this._createTag.bind(this), termTags);
this._appendMultiple(tagContainer, this._createSearchTag.bind(this), searchQueries);
return node;
}
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_createTermReason(reason) {
const fragment = this._templates.instantiateFragment('inflection');
const node = fragment.querySelector('.inflection');
this._setTextContent(node, reason);
node.dataset.reason = reason;
return fragment;
}
_createTermDefinitionItem(details, dictionaryTag, headwords, uniqueTerms, uniqueReadings) {
const {dictionary, tags, headwordIndices, entries} = details;
const disambiguations = DictionaryDataUtil.getDisambiguations(headwords, headwordIndices, uniqueTerms, uniqueReadings);
const node = this._templates.instantiate('definition-item');
const tagListContainer = node.querySelector('.definition-tag-list');
const onlyListContainer = node.querySelector('.definition-disambiguation-list');
const glossaryContainer = node.querySelector('.glossary-list');
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node.dataset.dictionary = dictionary;
this._appendMultiple(tagListContainer, this._createTag.bind(this), [...tags, dictionaryTag]);
this._appendMultiple(onlyListContainer, this._createTermDisambiguation.bind(this), disambiguations);
this._appendMultiple(glossaryContainer, this._createTermGlossaryItem.bind(this), entries, dictionary);
return node;
}
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_createTermGlossaryItem(glossary, dictionary) {
if (typeof glossary === 'string') {
return this._createTermGlossaryItemText(glossary);
} else if (typeof glossary === 'object' && glossary !== null) {
switch (glossary.type) {
case 'image':
return this._createTermGlossaryItemImage(glossary, dictionary);
}
}
return null;
}
_createTermGlossaryItemText(glossary) {
const node = this._templates.instantiate('glossary-item');
const container = node.querySelector('.glossary');
this._setMultilineTextContent(container, glossary);
return node;
}
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_createTermGlossaryItemImage(data, dictionary) {
const {path, width, height, preferredWidth, preferredHeight, title, description, pixelated} = data;
const usedWidth = (
typeof preferredWidth === 'number' ?
preferredWidth :
width
);
const aspectRatio = (
typeof preferredWidth === 'number' &&
typeof preferredHeight === 'number' ?
preferredWidth / preferredHeight :
width / height
);
const node = this._templates.instantiate('glossary-item-image');
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node.dataset.path = path;
node.dataset.dictionary = dictionary;
node.dataset.imageLoadState = 'not-loaded';
const imageContainer = node.querySelector('.glossary-image-container');
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imageContainer.style.width = `${usedWidth}em`;
if (typeof title === 'string') {
imageContainer.title = title;
}
const aspectRatioSizer = node.querySelector('.glossary-image-aspect-ratio-sizer');
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aspectRatioSizer.style.paddingTop = `${aspectRatio * 100.0}%`;
const image = node.querySelector('img.glossary-image');
const imageLink = node.querySelector('.glossary-image-link');
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image.dataset.pixelated = `${pixelated === true}`;
if (this._mediaLoader !== null) {
this._mediaLoader.loadMedia(
path,
dictionary,
(url) => this._setImageData(node, image, imageLink, url, false),
() => this._setImageData(node, image, imageLink, null, true)
);
}
if (typeof description === 'string') {
const container = node.querySelector('.glossary-image-description');
this._setMultilineTextContent(container, description);
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}
return node;
}
_setImageData(container, image, imageLink, url, unloaded) {
if (url !== null) {
image.src = url;
imageLink.href = url;
container.dataset.imageLoadState = 'loaded';
} else {
image.removeAttribute('src');
imageLink.removeAttribute('href');
container.dataset.imageLoadState = unloaded ? 'unloaded' : 'load-error';
}
}
_createTermDisambiguation(disambiguation) {
const node = this._templates.instantiate('definition-disambiguation');
node.dataset.term = disambiguation;
this._setTextContent(node, disambiguation, 'ja');
return node;
}
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_createKanjiLink(character) {
const node = document.createElement('a');
node.className = 'expression-kanji-link';
this._setTextContent(node, character, 'ja');
return node;
}
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_createKanjiGlossaryItem(glossary) {
const node = this._templates.instantiate('kanji-glossary-item');
const container = node.querySelector('.kanji-glossary');
this._setMultilineTextContent(container, glossary);
return node;
}
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_createKanjiReading(reading) {
const node = this._templates.instantiate('kanji-reading');
this._setTextContent(node, reading, 'ja');
return node;
}
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_createKanjiInfoTable(details) {
const node = this._templates.instantiate('kanji-info-table');
const container = node.querySelector('.kanji-info-table-body');
const count = this._appendMultiple(container, this._createKanjiInfoTableItem.bind(this), details);
if (count === 0) {
const n = this._createKanjiInfoTableItemEmpty();
container.appendChild(n);
}
return node;
}
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_createKanjiInfoTableItem(details) {
const {content, name, value} = details;
const node = this._templates.instantiate('kanji-info-table-item');
const nameNode = node.querySelector('.kanji-info-table-item-header');
const valueNode = node.querySelector('.kanji-info-table-item-value');
this._setTextContent(nameNode, content.length > 0 ? content : name);
this._setTextContent(valueNode, value);
return node;
}
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_createKanjiInfoTableItemEmpty() {
return this._templates.instantiate('kanji-info-table-empty');
}
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_createTag(details) {
const {content, name, category, redundant} = details;
const node = this._templates.instantiate('tag');
const inner = node.querySelector('.tag-label-content');
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const contentString = content.join('\n');
node.title = contentString;
this._setTextContent(inner, name);
node.dataset.details = contentString.length > 0 ? contentString : name;
node.dataset.category = category;
if (redundant) { node.dataset.redundant = 'true'; }
return node;
}
_createTermTag(details, totalHeadwordCount) {
const {tag, headwordIndices} = details;
const node = this._createTag(tag);
node.dataset.headwords = headwordIndices.join(' ');
node.dataset.totalExpressionCount = `${totalHeadwordCount}`;
node.dataset.matchedExpressionCount = `${headwordIndices.length}`;
node.dataset.unmatchedExpressionCount = `${Math.max(0, totalHeadwordCount - headwordIndices.length)}`;
return node;
}
_createTagData(name, category) {
return {
name,
category,
order: 0,
score: 0,
content: [],
dictionaries: [],
redundant: false
};
}
_createSearchTag(text) {
return this._createTag(this._createTagData(text, 'search'));
}
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_createPitches(details) {
this.preparePitchAccents();
const {dictionary, pitches} = details;
const node = this._templates.instantiate('pitch-accent-group');
node.dataset.dictionary = dictionary;
node.dataset.pitchesMulti = 'true';
node.dataset.pitchesCount = `${pitches.length}`;
const tag = this._createTag(this._createTagData(dictionary, 'pitch-accent-dictionary'));
node.querySelector('.pitch-accent-group-tag-list').appendChild(tag);
let hasTags = false;
for (const {tags} of pitches) {
if (tags.length > 0) {
hasTags = true;
break;
}
}
const n = node.querySelector('.pitch-accent-list');
n.dataset.hasTags = `${hasTags}`;
this._appendMultiple(n, this._createPitch.bind(this), pitches);
return node;
}
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_createPitch(details) {
const jp = this._japaneseUtil;
const {reading, position, tags, exclusiveTerms, exclusiveReadings} = details;
const morae = jp.getKanaMorae(reading);
const node = this._templates.instantiate('pitch-accent');
node.dataset.pitchAccentPosition = `${position}`;
node.dataset.tagCount = `${tags.length}`;
let n = node.querySelector('.pitch-accent-position');
this._setTextContent(n, `${position}`, '');
n = node.querySelector('.pitch-accent-tag-list');
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this._appendMultiple(n, this._createTag.bind(this), tags);
n = node.querySelector('.pitch-accent-disambiguation-list');
this._createPitchAccentDisambiguations(n, exclusiveTerms, exclusiveReadings);
n = node.querySelector('.pitch-accent-characters');
for (let i = 0, ii = morae.length; i < ii; ++i) {
const mora = morae[i];
const highPitch = jp.isMoraPitchHigh(i, position);
const highPitchNext = jp.isMoraPitchHigh(i + 1, position);
const n1 = this._templates.instantiate('pitch-accent-character');
const n2 = n1.querySelector('.pitch-accent-character-inner');
n1.dataset.position = `${i}`;
n1.dataset.pitch = highPitch ? 'high' : 'low';
n1.dataset.pitchNext = highPitchNext ? 'high' : 'low';
this._setTextContent(n2, mora, 'ja');
n.appendChild(n1);
}
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if (morae.length > 0) {
this._populatePitchGraph(node.querySelector('.pitch-accent-graph'), position, morae);
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}
return node;
}
_createPitchAccentDisambiguations(container, exclusiveTerms, exclusiveReadings) {
const templateName = 'pitch-accent-disambiguation';
for (const exclusiveExpression of exclusiveTerms) {
const node = this._templates.instantiate(templateName);
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node.dataset.type = 'expression';
this._setTextContent(node, exclusiveExpression, 'ja');
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container.appendChild(node);
}
for (const exclusiveReading of exclusiveReadings) {
const node = this._templates.instantiate(templateName);
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node.dataset.type = 'reading';
this._setTextContent(node, exclusiveReading, 'ja');
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container.appendChild(node);
}
container.dataset.count = `${exclusiveTerms.length + exclusiveReadings.length}`;
container.dataset.expressionCount = `${exclusiveTerms.length}`;
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container.dataset.readingCount = `${exclusiveReadings.length}`;
}
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_populatePitchGraph(svg, position, morae) {
const jp = this._japaneseUtil;
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const svgns = svg.getAttribute('xmlns');
const ii = morae.length;
svg.setAttribute('viewBox', `0 0 ${50 * (ii + 1)} 100`);
const pathPoints = [];
for (let i = 0; i < ii; ++i) {
const highPitch = jp.isMoraPitchHigh(i, position);
const highPitchNext = jp.isMoraPitchHigh(i + 1, position);
const graphic = (highPitch && !highPitchNext ? '#pitch-accent-graph-dot-downstep' : '#pitch-accent-graph-dot');
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const x = `${i * 50 + 25}`;
const y = highPitch ? '25' : '75';
const use = document.createElementNS(svgns, 'use');
use.setAttribute('href', graphic);
use.setAttribute('x', x);
use.setAttribute('y', y);
svg.appendChild(use);
pathPoints.push(`${x} ${y}`);
}
let path = svg.querySelector('.pitch-accent-graph-line');
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path.setAttribute('d', `M${pathPoints.join(' L')}`);
pathPoints.splice(0, ii - 1);
{
const highPitch = jp.isMoraPitchHigh(ii, position);
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const x = `${ii * 50 + 25}`;
const y = highPitch ? '25' : '75';
const use = document.createElementNS(svgns, 'use');
use.setAttribute('href', '#pitch-accent-graph-triangle');
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use.setAttribute('x', x);
use.setAttribute('y', y);
svg.appendChild(use);
pathPoints.push(`${x} ${y}`);
}
path = svg.querySelector('.pitch-accent-graph-line-tail');
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path.setAttribute('d', `M${pathPoints.join(' L')}`);
}
_createFrequencyGroup(details, kanji) {
const {dictionary, frequencies} = details;
const node = this._templates.instantiate('frequency-group-item');
const body = node.querySelector('.tag-body-content');
this._setTextContent(node.querySelector('.tag-label-content'), dictionary);
node.dataset.details = dictionary;
const ii = frequencies.length;
for (let i = 0; i < ii; ++i) {
const item = frequencies[i];
const itemNode = (kanji ? this._createKanjiFrequency(item, dictionary) : this._createTermFrequency(item, dictionary));
itemNode.dataset.index = `${i}`;
body.appendChild(itemNode);
}
body.dataset.count = `${ii}`;
node.dataset.count = `${ii}`;
node.dataset.details = dictionary;
return node;
}
_createTermFrequency(details, dictionary) {
const {term, reading, values} = details;
const node = this._templates.instantiate('term-frequency-item');
this._setTextContent(node.querySelector('.tag-label-content'), dictionary);
const frequency = values.join(', ');
this._setTextContent(node.querySelector('.frequency-disambiguation-expression'), term, 'ja');
this._setTextContent(node.querySelector('.frequency-disambiguation-reading'), (reading !== null ? reading : ''), 'ja');
this._setTextContent(node.querySelector('.frequency-value'), frequency, 'ja');
node.dataset.expression = term;
node.dataset.reading = reading;
node.dataset.hasReading = `${reading !== null}`;
node.dataset.readingIsSame = `${reading === term}`;
node.dataset.dictionary = dictionary;
node.dataset.frequency = `${frequency}`;
node.dataset.details = dictionary;
return node;
}
_createKanjiFrequency(details, dictionary) {
const {character, values} = details;
const node = this._templates.instantiate('kanji-frequency-item');
const frequency = values.join(', ');
this._setTextContent(node.querySelector('.tag-label-content'), dictionary);
this._setTextContent(node.querySelector('.frequency-value'), frequency, 'ja');
node.dataset.character = character;
node.dataset.dictionary = dictionary;
node.dataset.frequency = `${frequency}`;
node.dataset.details = dictionary;
return node;
}
_appendKanjiLinks(container, text) {
const jp = this._japaneseUtil;
let part = '';
for (const c of text) {
if (jp.isCodePointKanji(c.codePointAt(0))) {
if (part.length > 0) {
container.appendChild(document.createTextNode(part));
part = '';
}
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const link = this._createKanjiLink(c);
container.appendChild(link);
} else {
part += c;
}
}
if (part.length > 0) {
container.appendChild(document.createTextNode(part));
}
}
_appendMultiple(container, createItem, detailsArray, ...args) {
let count = 0;
const {ELEMENT_NODE} = Node;
if (Array.isArray(detailsArray)) {
for (const details of detailsArray) {
const item = createItem(details, ...args);
if (item === null) { continue; }
container.appendChild(item);
if (item.nodeType === ELEMENT_NODE) {
item.dataset.index = `${count}`;
}
++count;
}
}
container.dataset.count = `${count}`;
return count;
}
_appendFurigana(container, expression, reading, addText) {
container.lang = 'ja';
const segments = this._japaneseUtil.distributeFurigana(expression, reading);
for (const {text, furigana} of segments) {
if (furigana) {
const ruby = document.createElement('ruby');
const rt = document.createElement('rt');
addText(ruby, text);
ruby.appendChild(rt);
rt.appendChild(document.createTextNode(furigana));
container.appendChild(ruby);
} else {
addText(container, text);
}
}
}
_createDictionaryTag(dictionary) {
return this._createTagData(dictionary, 'dictionary');
}
_setTextContent(node, value, language) {
if (typeof language === 'string') {
node.lang = language;
} else if (this._japaneseUtil.isStringPartiallyJapanese(value)) {
node.lang = 'ja';
}
node.textContent = value;
}
_setMultilineTextContent(node, value, language) {
// This can't just call _setTextContent because the lack of <br> elements will
// cause the text to not copy correctly.
if (typeof language === 'string') {
node.lang = language;
} else if (this._japaneseUtil.isStringPartiallyJapanese(value)) {
node.lang = 'ja';
}
let start = 0;
while (true) {
const end = value.indexOf('\n', start);
if (end < 0) { break; }
node.appendChild(document.createTextNode(value.substring(start, end)));
node.appendChild(document.createElement('br'));
start = end + 1;
}
if (start < value.length) {
node.appendChild(document.createTextNode(start === 0 ? value : value.substring(start)));
}
}
_getPitchAccentCategories(reading, pronunciations, headwordIndex) {
if (pronunciations.length === 0) { return null; }
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const categories = new Set();
for (const pronunciation of pronunciations) {
if (pronunciation.headwordIndex !== headwordIndex) { continue; }
for (const {position} of pronunciation.pitches) {
const category = this._japaneseUtil.getPitchCategory(reading, position, false);
if (category !== null) {
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categories.add(category);
}
}
}
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return categories.size > 0 ? [...categories].join(' ') : null;
}
}