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Generate backend topic distribution charts #93

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133 changes: 132 additions & 1 deletion static/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -526,6 +526,7 @@ <h4 class="text-sm font-semibold">研究主题（调整后）</h4>
<div id="chips_topic_adj" class="flex flex-wrap gap-2 mt-2"></div>
<div class="space-y-4">
<div id="treemap_topic_adj" class="treemap-box" data-category-chart="topic_adj" data-chart-type="treemap" data-treemap-key="chart_topic_adj"></div>
<div id="category_bar_topic_adj" class="category-bar-box" aria-live="polite"></div>
</div>
</div>
<div class="space-y-4">
Expand All @@ -536,6 +537,7 @@ <h4 class="text-sm font-semibold">研究领域（调整后）</h4>
<div id="chips_field_adj" class="flex flex-wrap gap-2 mt-2"></div>
<div class="space-y-4">
<div id="treemap_field_adj" class="treemap-box" data-category-chart="field_adj" data-chart-type="treemap" data-treemap-key="chart_field_adj"></div>
<div id="category_bar_field_adj" class="category-bar-box" aria-live="polite"></div>
</div>
</div>
</div>
Expand Down Expand Up @@ -1018,6 +1020,11 @@ <h4 class="word-cloud-table-title">词频明细</h4>
topic_orig:{ treemapId:'treemap_topic_orig', treemapKey:'chart_topic_orig', barId:'barchart_topic_orig', barKey:'bar_topic_orig', kind:'topic' },
field_orig:{ treemapId:'treemap_field_orig', treemapKey:'chart_field_orig', barId:'barchart_field_orig', barKey:'bar_field_orig', kind:'field' }
};
const CATEGORY_BAR_TARGETS={
topic_adj:{ containerId:'category_bar_topic_adj', dimension:'topic_adj' },
field_adj:{ containerId:'category_bar_field_adj', dimension:'field_adj' }
};
const CATEGORY_BAR_CACHE={};
let RANK_VIS_EXPANDED=false;
const SCATTER_DEFAULT_HEIGHT=420;
const SCATTER_STATE={
Expand Down Expand Up @@ -1661,6 +1668,9 @@ <h4 class="word-cloud-table-title">词频明细</h4>
if(!meta){
resetSamplingState();
setJournalOverview(null);
clearCategoryBarCache();
setCategoryBarPlaceholder('topic_adj','请先载入数据集');
setCategoryBarPlaceholder('field_adj','请先载入数据集');
primary.textContent = '暂无会话';
secondary.textContent = '请上传或载入数据集';
LAST_EXPORT_URL = '';
Expand Down Expand Up @@ -4305,6 +4315,117 @@ <h2>Top 5 期刊明细</h2>
renderActiveCategoryChart(category);
}

function getCategoryBarTarget(key){
return CATEGORY_BAR_TARGETS[key] || null;
}

function clearCategoryBarCache(){
Object.keys(CATEGORY_BAR_CACHE).forEach(key=>{ delete CATEGORY_BAR_CACHE[key]; });
}

function setCategoryBarPlaceholder(key, message){
const target=getCategoryBarTarget(key);
if(!target) return;
const container=qs(target.containerId);
if(!container) return;
const text=message===undefined? '暂无数据' : String(message||'');
container.innerHTML=`<div class="category-bar-placeholder">${escapeHtml(text)}</div>`;
}

function applyCategoryBarImage(key, payload){
const target=getCategoryBarTarget(key);
if(!target) return;
const container=qs(target.containerId);
if(!container) return;
const pngUrl=payload.png_data_url||payload.png||'';
if(!pngUrl){
setCategoryBarPlaceholder(key, '暂无图表数据');
return;
}
const title=payload.title || (key==='field_adj'?'Area Distribution':'Topic Distribution');
container.innerHTML='';
const wrapper=document.createElement('div');
wrapper.className='category-bar-image-wrapper';
const img=document.createElement('img');
img.className='category-bar-image';
img.src=pngUrl;
img.alt=title;
img.loading='lazy';
wrapper.appendChild(img);
container.appendChild(wrapper);

const downloads=document.createElement('div');
downloads.className='category-bar-downloads';
const pngLink=document.createElement('a');
pngLink.className='category-bar-download';
pngLink.href=pngUrl;
pngLink.download=payload.png_filename || `${key}_distribution.png`;
pngLink.textContent='Download PNG (300 DPI)';
downloads.appendChild(pngLink);
if(payload.svg_data_url){
const svgLink=document.createElement('a');
svgLink.className='category-bar-download';
svgLink.href=payload.svg_data_url;
svgLink.download=payload.svg_filename || `${key}_distribution.svg`;
svgLink.textContent='Download SVG';
downloads.appendChild(svgLink);
}
container.appendChild(downloads);
}

async function renderCategoryBar(key){
const target=getCategoryBarTarget(key);
if(!target) return;
const container=qs(target.containerId);
if(!container) return;
if(!SESSION_ID){
delete CATEGORY_BAR_CACHE[key];
setCategoryBarPlaceholder(key, '请先载入数据集');
return;
}
const cached=CATEGORY_BAR_CACHE[key];
if(cached && cached.sessionId===SESSION_ID){
applyCategoryBarImage(key, cached);
return;
}
setCategoryBarPlaceholder(key, '图表生成中…');
const requestSession=SESSION_ID;
try{
const url=`/category_bar_chart?session_id=${encodeURIComponent(requestSession)}&dimension=${encodeURIComponent(target.dimension)}&_=${Date.now()}`;
const resp=await fetch(url,{cache:'no-store'});
if(requestSession!==SESSION_ID) return;
if(!resp.ok){
const text=await resp.text();
setCategoryBarPlaceholder(key, text||'图表生成失败');
delete CATEGORY_BAR_CACHE[key];
return;
}
const data=await resp.json();
if(requestSession!==SESSION_ID) return;
if(!data || data.ok===false || !data.png_data_url){
const msg=data && data.message ? data.message : '暂无分类数据';
setCategoryBarPlaceholder(key, msg);
delete CATEGORY_BAR_CACHE[key];
return;
}
const payload={
sessionId: requestSession,
png_data_url: data.png_data_url,
svg_data_url: data.svg_data_url||'',
png_filename: data.png_filename||'',
svg_filename: data.svg_filename||'',
title: data.title||'',
};
CATEGORY_BAR_CACHE[key]=payload;
applyCategoryBarImage(key, payload);
}catch(err){
if(requestSession!==SESSION_ID) return;
setCategoryBarPlaceholder(key, err?.message ? `图表生成失败：${err.message}` : '图表生成失败');
delete CATEGORY_BAR_CACHE[key];
}
}


function resetTimelineLineLabels(){
if(!TIMELINE_LINE_LABEL_LAYER) return;
TIMELINE_LINE_LABEL_LAYER.innerHTML='';
Expand Down Expand Up @@ -5982,7 +6103,13 @@ <h1>${safeTitle}</h1>
async function refreshStats(){
if(!SESSION_ID) return;
const bin=Number.isFinite(TIMELINE_BIN_SIZE)?TIMELINE_BIN_SIZE:5;
const r=await fetch(`/stats?session_id=${encodeURIComponent(SESSION_ID)}&bin_years=${encodeURIComponent(bin)}`,{cache:"no-store"}); if(!r.ok) return;
const r=await fetch(`/stats?session_id=${encodeURIComponent(SESSION_ID)}&bin_years=${encodeURIComponent(bin)}`,{cache:"no-store"});
if(!r.ok){
clearCategoryBarCache();
setCategoryBarPlaceholder('topic_adj','图表加载失败');
setCategoryBarPlaceholder('field_adj','图表加载失败');
return;
}
const d=await r.json();
renderChips("chips_topic_adj", d.topic_adj, "topic_adj", { primaryLabel:'篇数' });
renderChips("chips_field_adj", d.field_adj, "field_adj", { primaryLabel:'篇数' });
Expand Down Expand Up @@ -6011,6 +6138,10 @@ <h1>${safeTitle}</h1>
populateFilterOptions();
await fetchTopicVisuals({force:true});
setVisualTab(VISUAL_TAB);
await Promise.all([
renderCategoryBar('topic_adj'),
renderCategoryBar('field_adj')
]);
}

function getRankPlotElement(){
Expand Down
16 changes: 16 additions & 0 deletions static/style.css
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