Add separate module for UI Rendering Pipeline for Persistent Queue

2025-09-25 14:20:25 +02:00
parent e5b957737b
commit fef91411af
1 changed files with 128 additions and 0 deletions
@@ -0,0 +1,128 @@
+(function () {
+    "use strict";
+
+    const state = (window.PQueue && window.PQueue.state) || {};
+    const UI = (window.PQueue && window.PQueue.UI) || window.UI;
+    const Events = (window.PQueue && window.PQueue.Events) || window.Events;
+    const Format = (window.PQueue && window.PQueue.Format) || window.Format;
+
+    UI.render = function render() {
+        if (!state.container) return;
+        UI.ensureAssets();
+
+        const prevDom = state.dom;
+        let _prevScrollTop = 0;
+        let _prevAnchorOffset = null;
+        let _prevScroller = null;
+        const findScrollContainer = (node) => {
+            try {
+                let el = node;
+                while (el && el !== document.body && el !== document.documentElement) {
+                    const style = window.getComputedStyle(el);
+                    const oy = style.overflowY;
+                    if ((oy === 'auto' || oy === 'scroll') && el.scrollHeight > el.clientHeight) return el;
+                    el = el.parentElement;
+                }
+                return document.scrollingElement || document.documentElement || document.body;
+            } catch (err) {
+                return document.scrollingElement || document.documentElement || document.body;
+            }
+        };
+        try {
+            _prevScroller = findScrollContainer(state.container);
+            if (_prevScroller) {
+                _prevScrollTop = _prevScroller.scrollTop || 0;
+                const prevCard = (prevDom && prevDom.historyCard) ? prevDom.historyCard : state.container.querySelector('.pqueue-card');
+                if (prevCard) {
+                    const scRect = _prevScroller.getBoundingClientRect();
+                    const cardRect = prevCard.getBoundingClientRect();
+                    _prevAnchorOffset = cardRect.top - scRect.top;
+                }
+            }
+        } catch (err) { /* noop */ }
+
+        const dom = (state.dom = {});
+        state.container.innerHTML = "";
+
+        const root = UI.el("div", { class: "pqueue-root" });
+        dom.root = root;
+
+        root.appendChild(UI.renderToolbar());
+        const sections = UI.el("div", { class: "pqueue-sections" });
+        const metrics = UI.renderMetrics();
+        if (metrics) sections.appendChild(metrics);
+        sections.appendChild(UI.renderRunning());
+        sections.appendChild(UI.renderPending());
+        sections.appendChild(UI.renderHistory());
+        root.appendChild(sections);
+        state.container.appendChild(root);
+
+        dom.sections = sections;
+
+        requestAnimationFrame(() => {
+            try {
+                const scroller = _prevScroller || findScrollContainer(state.container);
+                if (!scroller) return;
+                const newCard = (state.dom && state.dom.historyCard) ? state.dom.historyCard : state.container.querySelector('.pqueue-card');
+                if (_prevAnchorOffset != null && newCard) {
+                    const scRect2 = scroller.getBoundingClientRect();
+                    const cardRect2 = newCard.getBoundingClientRect();
+                    const newOffset = cardRect2.top - scRect2.top;
+                    scroller.scrollTop = Math.max(0, _prevScrollTop + (newOffset - _prevAnchorOffset));
+                } else {
+                    scroller.scrollTop = _prevScrollTop;
+                }
+            } catch (err) { /* noop */ }
+        });
+
+        Events.bind();
+        UI.updateProgressBars();
+        UI.refreshFilter();
+        UI.updateSelectionUI();
+        UI.updateToolbarStatus();
+    };
+
+    UI.updateAfterRefresh = function updateAfterRefresh(paged) {
+        try {
+            UI.updateToolbarControls();
+            UI.updateMetrics();
+            UI.updateRunningSection();
+            UI.updatePendingSection();
+            UI.reconcileHistoryFromState();
+            UI.updateHistorySubtitle();
+        } catch (err) {
+            try { UI.ensureHistoryObserver(); } catch (e) { /* noop */ }
+        }
+    };
+
+    UI.updateToolbarStatus = function updateToolbarStatus() {
+        const status = state.dom.status;
+        if (!status) return;
+        status.innerHTML = "";
+        if (state.error) {
+            status.appendChild(UI.icon("ti ti-alert-circle", { size: "md" }));
+            status.appendChild(UI.el("span", { class: "pqueue-toolbar__status-text pqueue-toolbar__status-text--error", text: state.error }));
+            return;
+        }
+        if (state.statusMessage) {
+            status.appendChild(UI.icon("ti ti-info-circle", { size: "md" }));
+            status.appendChild(UI.el("span", { class: "pqueue-toolbar__status-text", text: state.statusMessage }));
+            return;
+        }
+        if (state.isRefreshing) {
+            status.appendChild(UI.icon("ti ti-loader-2", { size: "md", spin: true }));
+            status.appendChild(UI.el("span", { class: "pqueue-toolbar__status-text", text: "Syncing…" }));
+            return;
+        }
+        if (state.lastUpdated) {
+            status.appendChild(UI.icon("ti ti-history", { size: "md" }));
+            status.appendChild(UI.el("span", { class: "pqueue-toolbar__status-text", text: `Updated ${Format.relative(state.lastUpdated)}` }));
+        } else {
+            status.appendChild(UI.icon("ti ti-bolt", { size: "md" }));
+            status.appendChild(UI.el("span", { class: "pqueue-toolbar__status-text", text: "Ready" }));
+        }
+    };
+})();
+
+
+