334 lines
15 KiB
HTML
334 lines
15 KiB
HTML
{{define "content"}}
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{{if not .HasData}}
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<div class="wrap">{{template "emptystate" .}}</div>
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{{else}}
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<div class="map-page">
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<div id="map"></div>
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{{/* 时间轴回放:拖动即可按「首次到访时间」累加显示点位。
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注意它和左侧的日期区间是两回事——区间是「只看这段时间」,
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时间轴是「一路走到这个时刻为止」,所以放在地图底部而不是筛选面板里。 */}}
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<div class="timeline-bar" id="timeline-bar" hidden>
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<button class="tl-play" type="button" id="tl-play" aria-label="播放时间轴">▶</button>
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<input type="range" id="tl-range" min="0" max="100" value="100" aria-label="时间轴">
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<span class="tl-label" id="tl-label"></span>
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<button class="tl-reset" type="button" id="tl-reset">全部</button>
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</div>
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{{/* 加载失败时的提示条:绝不重新加载页面,只在地图上说清楚并给一个重试按钮 */}}
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<div class="map-status" id="map-status" hidden>
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<span id="map-status-text"></span>
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<button class="btn sm" type="button" id="map-retry" hidden>重试</button>
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</div>
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<div class="map-panel">
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<form id="filter-form" method="get" action="/map">
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<h3>时间范围</h3>
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<div class="chips" style="margin-bottom:10px">
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{{range .Presets}}<a class="chip {{if .Active}}on{{end}}" href="{{$.RangeLink .From .To}}">{{.Label}}</a>{{end}}
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{{if .IsAdmin}}
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<a class="chip {{if .ShowHomeWork}}on{{end}}" href="{{.HWLink}}" title="仅登录后的你自己可见,访客看不到这两类记录">含家/工作</a>
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{{end}}
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</div>
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<div class="row" style="gap:8px;margin-bottom:10px">
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<input type="date" name="from" value="{{.From}}" style="flex:1">
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<input type="date" name="to" value="{{.To}}" style="flex:1">
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</div>
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{{if .Activities}}
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<h3>地点类型</h3>
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<div class="chips" style="margin-bottom:10px">
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{{range $i, $a := .Activities}}{{if or (lt $i 12) ($.IsAct $a.ID)}}
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<a class="chip {{if $.IsAct $a.ID}}on{{end}}" href="{{$.ActLink $a.ID}}">
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<span class="dot" style="background:{{colorof $a.Color}}"></span>{{$a.Name}}
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</a>
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{{end}}{{end}}
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</div>
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{{if gt (len .Activities) 12}}
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<details class="more-types">
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<summary>展开其余 {{len .Activities}} 个类型</summary>
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<div class="chips">
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{{range $i, $a := .Activities}}{{if and (ge $i 12) (not ($.IsAct $a.ID))}}
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<a class="chip" href="{{$.ActLink $a.ID}}"><span class="dot" style="background:{{colorof $a.Color}}"></span>{{$a.Name}}</a>
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{{end}}{{end}}
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</div>
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</details>
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{{end}}
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{{end}}
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<h3>其它条件</h3>
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<div class="row" style="gap:8px;margin-bottom:10px">
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<select name="city" style="flex:1">
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<option value="">全部城市</option>
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{{range .CityList}}<option value="{{.}}" {{if eq . $.City}}selected{{end}}>{{.}}</option>{{end}}
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</select>
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<select name="tag" style="flex:1">
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<option value="0">全部标签</option>
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{{range .TagOptions}}<option value="{{.ID}}" {{if eq .ID $.TagID}}selected{{end}}>{{.Name}}</option>{{end}}
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</select>
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</div>
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<div class="row" style="gap:8px;margin-bottom:12px">
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<select name="min" style="flex:1">
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<option value="0" {{if eq .MinDwell 0}}selected{{end}}>不限停留</option>
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<option value="5" {{if eq .MinDwell 5}}selected{{end}}>≥ 5 分钟</option>
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<option value="15" {{if eq .MinDwell 15}}selected{{end}}>≥ 15 分钟</option>
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<option value="30" {{if eq .MinDwell 30}}selected{{end}}>≥ 30 分钟</option>
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<option value="60" {{if eq .MinDwell 60}}selected{{end}}>≥ 1 小时</option>
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</select>
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<input type="text" name="q" value="{{.Keyword}}" placeholder="关键词" style="flex:1">
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</div>
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{{range .ActivityIDs}}<input type="hidden" name="act" value="{{.}}">{{end}}
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{{if .ShowHomeWork}}<input type="hidden" name="hw" value="1">{{end}}
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<div class="row">
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<button class="btn" type="submit" style="flex:1">查询</button>
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<a class="btn" href="/map">重置</a>
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</div>
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<div class="chips" style="margin-top:10px">
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<label class="chip" style="user-select:none"><input type="checkbox" id="track-toggle" style="accent-color:var(--accent)"> 行程轨迹</label>
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<label class="chip" style="user-select:none"><input type="checkbox" id="heat-toggle" style="accent-color:var(--accent)"> 到访热力</label>
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<label class="chip" style="user-select:none"><input type="checkbox" id="city-toggle" style="accent-color:var(--accent)"> 城市聚合</label>
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<label class="chip" style="user-select:none"><input type="checkbox" id="gpx-toggle" style="accent-color:var(--accent)"> GPX 轨迹</label>
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</div>
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<div class="muted" style="margin-top:9px;font-size:12px">当前显示 <b id="pt-count">{{num (len .Points)}}</b> 个地点</div>
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</form>
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</div>
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{{if .Legend}}
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<div class="map-legend">
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<div style="font-weight:500;color:var(--text-2)">类型分布</div>
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{{range .Legend}}
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<div class="lg"><i style="background:{{colorof .Color}}"></i>{{.Name}} <span class="muted">{{num .Count}}</span></div>
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{{end}}
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</div>
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{{end}}
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</div>
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<script>
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window.addEventListener('load', function () {
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// 首屏不带地点数据(全量内联会让 HTML 膨胀到 ~58KB),
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// 页面先出壳,地点走 /api/points 并行拉取后再填充。
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window.__map = window.rondMap.full({ id: 'map', points: [] });
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var form = document.getElementById('filter-form');
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var ptCount = document.getElementById('pt-count');
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var statusBox = document.getElementById('map-status');
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var statusText = document.getElementById('map-status-text');
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var retryBtn = document.getElementById('map-retry');
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function qs() {
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return new URLSearchParams(new FormData(form)).toString();
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}
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function showStatus(msg, withRetry) {
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statusText.textContent = msg;
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retryBtn.hidden = !withRetry;
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statusBox.hidden = false;
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}
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function hideStatus() { statusBox.hidden = true; }
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// HTTP 500 时 fetch 本身是成功的,紧接着 r.json() 才抛错——统一在这里判掉,
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// 调用方就只有一个失败分支要处理。
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function loadJSON(url) {
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return fetch(url, { headers: { 'Accept': 'application/json' } }).then(function (r) {
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if (!r.ok) throw new Error('HTTP ' + r.status);
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return r.json();
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});
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}
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/* 以前这里是 `.catch(function () { form.submit(); })`:接口一失败就整页重提交,
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而重提交后的新页面又走同一条路 —— 实测 8 秒内自刷 17 次、接口被拒 16 次、
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访客看不到任何解释,服务器被反复打(1C1G 上尤其难受)。
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现在改成:有限次自动重试 + 明确提示 + 手动重试按钮,**任何情况下都不重新加载页面**。 */
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var RETRY_DELAYS = [1000, 3000];
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// 返回的 promise 一定 resolve(true/false),不会 reject——避免未处理的 rejection,
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// 也让调用方只需判断「这次到底加载成功了没」。
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function loadPoints(q, attempt) {
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attempt = attempt || 0;
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return loadJSON('/api/points' + (q ? '?' + q : '')).then(function (d) {
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var pts = d.points || [];
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// 先交给时间轴:它自己会在「有时间的点」上做过滤再决定画什么
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setupTimeline(pts);
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window.rondMap.setPoints(pts);
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ptCount.textContent = pts.length;
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hideStatus();
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return true;
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}).catch(function (err) {
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var why = (err && err.message) ? err.message : '网络异常';
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if (attempt < RETRY_DELAYS.length) {
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showStatus('地点加载失败(' + why + '),正在重试…', false);
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return new Promise(function (res) { setTimeout(res, RETRY_DELAYS[attempt]); })
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.then(function () { return loadPoints(q, attempt + 1); });
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}
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showStatus('地点加载失败(' + why + ')。地图上暂时没有点,可以点右侧重试。', true);
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return false;
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});
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}
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function reloadPoints(q) {
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// 地图页的筛选是 AJAX 换数据、不跳页,所以顶部进度条要自己收
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if (window.rondProgress) window.rondProgress.start();
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return loadPoints(q).then(function (ok) {
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if (ok && document.getElementById('track-toggle').checked) refreshTrack();
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if (window.rondProgress) window.rondProgress.finish();
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return ok;
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});
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}
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// 与列表页保持一致:下拉 / 日期改动即生效,不用再点「应用筛选」。
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// 关键词仍然回车才查(每敲一个字都发请求很难受)。
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// 这里走的是本页自己的 submit 处理器(AJAX 换数据),所以用 requestSubmit。
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form.addEventListener('change', function (e) {
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var el = e.target;
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if (!el || !el.name) return;
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if (el.tagName === 'SELECT' || el.type === 'date') {
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if (form.requestSubmit) form.requestSubmit();
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else form.submit();
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}
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});
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retryBtn.addEventListener('click', function () {
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retryBtn.hidden = true;
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hideStatus();
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reloadPoints(qs());
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});
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// 从后台切回来时顺手重试一次:多半是刚才断网/休眠导致的失败
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document.addEventListener('visibilitychange', function () {
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if (!document.hidden && !statusBox.hidden) retryBtn.click();
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});
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/* ---------- 时间轴回放 ----------
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* 每个点带着「首次到访时间」(ft,Unix 秒),拖动滑块就把 ft ≤ 截止时刻的点留下。
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* 这样得到的是「一路走到这个时刻,足迹长什么样」的累加效果。
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* 实现上不去逐点改样式,而是复用 setPoints 整体重画——点位规模是几百,
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* 且只在「日期真的变了」时才重画(拖动一次可能跨很多像素但只跨几天)。
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*/
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var tlBar = document.getElementById('timeline-bar');
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var tlRange = document.getElementById('tl-range');
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var tlLabel = document.getElementById('tl-label');
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var tlPlay = document.getElementById('tl-play');
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var allPoints = []; // 最近一次拉取到的全部点(时间轴始终在它上面过滤)
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var tlMin = 0, tlMax = 0, tlDay = 86400, tlLastDay = null, tlTimer = null;
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function fmtDay(sec) {
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var d = new Date(sec * 1000);
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return d.getFullYear() + '-' + ('0' + (d.getMonth() + 1)).slice(-2);
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}
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function applyTimeline() {
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if (!allPoints.length) return;
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var cut = Number(tlRange.value);
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// 只跟着「天」变化重画:拖动时像素变化远多于天数变化,不然一帧要重画好几次
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var day = Math.floor(cut / tlDay);
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if (day === tlLastDay) return;
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tlLastDay = day;
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var sub = [], shown = 0;
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for (var i = 0; i < allPoints.length; i++) {
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var p2 = allPoints[i];
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// 「截至某日」要把那一天也算进去,否则拖到最左会是一个空地图
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if (!p2.ft || p2.ft < cut + tlDay) { sub.push(p2); shown++; }
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}
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// keepView:拖动/播放时不要重新 fit 视野,不然地图会跟着不停缩放,很晕
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window.rondMap.setPoints(sub, { keepView: true });
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tlLabel.textContent = fmtDay(cut) + ' · ' + shown + '/' + allPoints.length + ' 个点';
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}
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function setupTimeline(pts) {
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allPoints = pts;
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var withTime = pts.filter(function (p2) { return p2.ft; });
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if (withTime.length < 2) { tlBar.hidden = true; return; }
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tlMin = withTime[0].ft;
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tlMax = withTime[0].ft;
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for (var i = 1; i < withTime.length; i++) {
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if (withTime[i].ft < tlMin) tlMin = withTime[i].ft;
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if (withTime[i].ft > tlMax) tlMax = withTime[i].ft;
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}
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// 两端都对齐到「天」:input[type=range] 的可取值为 min + k*step,
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// max 不是 step 的整数倍时**根本取不到 max**,全量时就会少算几个点。
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tlMin = Math.floor(tlMin / tlDay) * tlDay;
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tlMax = Math.ceil(tlMax / tlDay) * tlDay;
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tlRange.min = tlMin;
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tlRange.max = tlMax;
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tlRange.step = tlDay;
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tlRange.value = tlMax;
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tlLastDay = null;
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tlBar.hidden = false;
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applyTimeline();
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}
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tlRange.addEventListener('input', function () {
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if (tlTimer) return; // 一帧只重画一次,拖起来才不卡
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tlTimer = requestAnimationFrame(function () { tlTimer = null; applyTimeline(); });
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});
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tlRange.addEventListener('change', function () { tlLastDay = null; applyTimeline(); });
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document.getElementById('tl-reset').addEventListener('click', function () {
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stopPlay();
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tlRange.value = tlMax;
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tlLastDay = null;
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applyTimeline();
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});
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// 播放:约 12 秒走完整个跨度(按天推进,和拖动走同一条路径)
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function stopPlay() {
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if (tlTimer) { cancelAnimationFrame(tlTimer); tlTimer = null; }
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if (tlPlay._t) { clearInterval(tlPlay._t); tlPlay._t = null; }
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tlPlay.textContent = '▶';
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tlPlay.setAttribute('aria-label', '播放时间轴');
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}
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tlPlay.addEventListener('click', function () {
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if (tlPlay._t) { stopPlay(); return; }
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if (Number(tlRange.value) >= tlMax) { tlRange.value = tlMin; tlLastDay = null; }
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tlPlay.textContent = '⏸';
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tlPlay.setAttribute('aria-label', '暂停');
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var steps = Math.max(1, Math.round((tlMax - Number(tlRange.value)) / tlDay));
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var perTick = Math.max(1, Math.ceil(steps / 240)); // 最多约 240 帧,约 12 秒
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tlPlay._t = setInterval(function () {
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var next = Number(tlRange.value) + perTick * tlDay;
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if (next >= tlMax) { next = tlMax; stopPlay(); }
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tlRange.value = next;
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applyTimeline();
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}, 50);
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});
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reloadPoints(qs());
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form.addEventListener('submit', function (e) {
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e.preventDefault();
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var q = qs();
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history.replaceState(null, '', '/map' + (q ? '?' + q : ''));
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reloadPoints(q);
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});
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var trackOn = false;
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function refreshTrack() {
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if (!trackOn) { window.rondMap.setTrack(null, null); return; }
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var q = qs();
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loadJSON('/api/track' + (q ? '?' + q : ''))
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.then(function (d) { window.rondMap.setTrack(d.segs || [], d.modes || []); })
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// 轨迹拉不到只影响这一层,不阻塞地图本身;安静失败 + 取消勾选,别让开关停在"已选但没线"的状态
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.catch(function (err) {
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trackOn = false;
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document.getElementById('track-toggle').checked = false;
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window.rondMap.setTrack(null, null);
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showStatus('行程轨迹加载失败(' + ((err && err.message) || '网络异常') + '),已取消勾选。', false);
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setTimeout(hideStatus, 4000);
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});
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}
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document.getElementById('track-toggle').addEventListener('change', function () {
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trackOn = this.checked;
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refreshTrack();
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});
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document.getElementById('heat-toggle').addEventListener('change', function () {
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window.rondMap.setHeat(this.checked);
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});
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document.getElementById('city-toggle').addEventListener('change', function () {
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window.rondMap.setCityAgg(this.checked);
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});
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document.getElementById('gpx-toggle').addEventListener('change', function () {
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window.rondMap.setGpx(this.checked);
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});
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});
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</script>
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{{end}}
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{{end}}
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