mirror of
https://github.com/xiaoqidun/ofdgo.git
synced 2026-10-29 17:27:08 +08:00
425 lines
23 KiB
JavaScript
425 lines
23 KiB
JavaScript
export class PrintDialog {
|
|
constructor(options) {
|
|
Object.assign(this, options);
|
|
this.el = Object.fromEntries(["Panel", "Form", "Settings", "Printer", "Properties", "Copies", "Collation", "Duplex", "BackReverse", "BackRotate", "Contents", "Scope", "Range", "Parity", "Reverse", "Mode", "Paper", "Width", "Height", "Orientation", "Scaling", "Scale", "MarginTop", "MarginRight", "MarginBottom", "MarginLeft", "Grid", "PageOrder", "Gap", "Binding", "BookletSheets", "SheetFrom", "SheetTo", "Overlap", "Sides", "Rotate", "Grayscale", "Borders", "CropMarks", "Raster", "DPI", "TileOnlyLarge", "Labels", "Preview", "Previous", "Next", "PreviewNumber", "PageCount", "Zoom", "Status", "Cancel", "Submit"].map(name => [name, document.querySelector(`#print${name}`)]));
|
|
this.printerOptions = this.el.Printer.innerHTML;
|
|
this.paperOptions = this.el.Paper.innerHTML;
|
|
this.queue = Promise.resolve();
|
|
this.sequence = 0;
|
|
this.urls = [];
|
|
this.root = document.querySelector("#ofdgoPrintDocument");
|
|
this.el.Settings.addEventListener("input", event => { if (event.target === this.el.Printer) this.choosePrinter(); else this.schedule(); });
|
|
this.el.Properties.addEventListener("click", () => this.properties());
|
|
this.el.Form.addEventListener("submit", event => { event.preventDefault(); this.print(); });
|
|
this.el.Cancel.addEventListener("click", () => this.el.Panel.close());
|
|
this.el.Panel.addEventListener("close", () => this.close());
|
|
this.el.Panel.addEventListener("cancel", event => { if (this.waiting) event.preventDefault(); });
|
|
this.el.Previous.addEventListener("click", () => this.preview(this.side - 1));
|
|
this.el.Next.addEventListener("click", () => this.preview(this.side + 1));
|
|
this.el.PreviewNumber.addEventListener("change", () => this.preview(Number(this.el.PreviewNumber.value) - 1));
|
|
this.el.Zoom.addEventListener("change", () => this.resize());
|
|
new ResizeObserver(([entry]) => { this.previewSize = entry.contentRect; this.resize(); }).observe(this.el.Preview);
|
|
window.addEventListener("afterprint", () => { if (this.waiting === "browser") this.finishPrint(); });
|
|
window.addEventListener("beforeprint", () => {
|
|
if (!this.root?.children.length) {
|
|
this.root ||= this.createRoot();
|
|
this.root.textContent = "请先在OFDGo中打开打印预览，准备完整文档后打印。";
|
|
}
|
|
});
|
|
}
|
|
|
|
open(context) {
|
|
if (this.el.Panel.open) return;
|
|
this.context = context;
|
|
this.prepared = false;
|
|
this.layout = null;
|
|
this.job = this.profile = null;
|
|
this.side = 0;
|
|
this.sequence++;
|
|
this.el.Form.reset();
|
|
this.orientation = this.el.Orientation.value;
|
|
this.duplexBeforeBooklet = this.el.Duplex.value;
|
|
this.scalingBeforeBooklet = this.el.Scaling.value;
|
|
try {
|
|
const saved = JSON.parse(localStorage.getItem("ofdgo.print") || "null");
|
|
for (const [name, value] of Object.entries(saved || {})) {
|
|
const node = this.el[name];
|
|
if (node?.type === "checkbox" && typeof value === "boolean") node.checked = value;
|
|
else if (node && typeof value === "string") node.value = value;
|
|
}
|
|
} catch {}
|
|
this.mode = this.el.Mode.value;
|
|
if (this.el.BookletSheets.value === "0") this.el.BookletSheets.value = "";
|
|
this.el.Scope.value = context.selection.length ? "selected" : "all";
|
|
this.el.Scope.querySelector('option[value="selected"]').disabled = !context.selection.length;
|
|
this.el.Contents.value = context.annotations ? "documentAndAnnotations" : "document";
|
|
this.el.Status.textContent = "";
|
|
this.el.Preview.replaceChildren();
|
|
this.show(this.el.Panel);
|
|
this.loadDevices();
|
|
}
|
|
|
|
isDevice() { return this.el.Printer.value.startsWith("device:"); }
|
|
manual() { return this.el.Duplex.value.startsWith("manual"); }
|
|
|
|
async loadDevices() {
|
|
const sequence = ++this.sequence;
|
|
this.loading = true;
|
|
this.controls();
|
|
this.el.Printer.innerHTML = this.printerOptions;
|
|
const browser = this.el.Printer.querySelector('option[value="browser"]');
|
|
browser.disabled = !!this.nativeHost || typeof window.print !== "function";
|
|
if (browser.disabled) this.el.Printer.value = "pdf";
|
|
try {
|
|
if (this.nativeHost) {
|
|
browser.textContent = "系统打印";
|
|
const capabilities = await this.nativeHost.call("print.capabilities", {});
|
|
if (!this.current(sequence)) return;
|
|
this.capabilities = capabilities;
|
|
browser.disabled = !capabilities.systemDialog;
|
|
const printers = capabilities.direct ? await this.nativeHost.call("print.printers", {}) : [];
|
|
if (!this.current(sequence)) return;
|
|
for (const printer of printers) this.el.Printer.add(new Option(printer.name, `device:${printer.name}`));
|
|
const printer = printers.find(printer => printer.default) || printers[0];
|
|
this.el.Printer.value = printer ? `device:${printer.name}` : "pdf";
|
|
}
|
|
} catch (error) { if (this.current(sequence)) this.el.Status.textContent = error.message; }
|
|
finally {
|
|
if (this.current(sequence)) { this.loading = false; await this.choosePrinter(); }
|
|
}
|
|
}
|
|
|
|
async choosePrinter() {
|
|
const sequence = ++this.sequence;
|
|
const paper = this.el.Paper.value;
|
|
this.layout = this.job = this.profile = null;
|
|
this.loading = true;
|
|
this.controls();
|
|
this.el.Paper.innerHTML = this.paperOptions;
|
|
if (!this.isDevice()) {
|
|
this.el.Paper.value = paper;
|
|
if (!this.el.Paper.value) {
|
|
const [width, height] = paper.split(",").map(Number);
|
|
if (width > 0 && height > 0 && Number.isFinite(width) && Number.isFinite(height)) {
|
|
this.el.Paper.value = "custom";
|
|
this.el.Width.value = width;
|
|
this.el.Height.value = height;
|
|
} else this.el.Paper.value = "210,297";
|
|
}
|
|
}
|
|
this.el.Properties.hidden = true;
|
|
try {
|
|
if (this.isDevice()) {
|
|
const profile = await this.nativeHost.call("print.query", {printer:this.el.Printer.value.slice(7), copies:1, duplex:"simplex"});
|
|
if (!this.current(sequence)) return;
|
|
this.profile = profile;
|
|
this.el.Paper.replaceChildren(...profile.papers.map(paper => new Option(paper.name, `${paper.width},${paper.height}`)));
|
|
if (profile.customPaper) this.el.Paper.add(new Option("自定义", "custom"));
|
|
this.el.Paper.value = `${profile.options.width},${profile.options.height}`;
|
|
if (!this.el.Paper.value && profile.customPaper) { this.el.Paper.value = "custom"; this.el.Width.value = profile.options.width; this.el.Height.value = profile.options.height; }
|
|
if (!this.el.Paper.value) throw new Error("设备默认纸张不在支持列表中");
|
|
this.el.Orientation.value = profile.options.orientation;
|
|
this.el.Copies.max = Math.min(999, profile.maxCopies || 999);
|
|
this.el.Copies.value = 1;
|
|
this.el.Grayscale.checked = profile.options.color === "grayscale";
|
|
this.el.Grayscale.disabled = !profile.color;
|
|
this.el.Properties.hidden = !profile.properties;
|
|
} else this.el.Grayscale.disabled = false;
|
|
} catch (error) { if (this.current(sequence)) { this.el.Status.textContent = error.message; return; } }
|
|
finally { if (this.current(sequence)) { this.loading = false; this.controls(); } }
|
|
if (this.current(sequence)) this.schedule();
|
|
}
|
|
|
|
async properties() {
|
|
if (!this.isDevice() || this.running || this.loading) return;
|
|
const sequence = this.sequence;
|
|
this.loading = true;
|
|
this.controls();
|
|
try { await this.nativeHost.call("print.properties", {printer:this.el.Printer.value.slice(7)}); }
|
|
catch (error) { if (this.current(sequence)) this.el.Status.textContent = error.message; }
|
|
finally { if (this.current(sequence)) { this.loading = false; await this.choosePrinter(); } }
|
|
}
|
|
|
|
deviceOptions() {
|
|
const [width, height] = this.el.Paper.value === "custom" ? [Number(this.el.Width.value), Number(this.el.Height.value)] : this.el.Paper.value.split(",").map(Number);
|
|
const manual = this.manual(), partial = this.el.Sides.value !== "all";
|
|
return {printer:this.el.Printer.value.slice(7), width, height, orientation:this.el.Orientation.value,
|
|
copies:Number(this.el.Copies.value), collation:this.el.Collation.checked ? "collated" : "uncollated",
|
|
duplex:manual || partial ? "simplex" : this.el.Duplex.value, color:this.el.Grayscale.checked ? "grayscale" : "color",
|
|
scale:1, pagesPerSide:1, margins:{top:0,right:0,bottom:0,left:0},
|
|
...(this.capabilities?.backgrounds ? {backgrounds:true} : {}), ...(this.capabilities?.headersFooters ? {headersFooters:false} : {})};
|
|
}
|
|
|
|
options(profile) {
|
|
const el = this.el;
|
|
const number = name => {
|
|
const value = Number(el[name].value);
|
|
if (!el[name].value.trim() || !Number.isFinite(value)) throw new Error("请输入有效数值");
|
|
return value;
|
|
};
|
|
let [paperWidth, paperHeight] = el.Paper.value === "source" ? [0, 0] : el.Paper.value === "custom" ? [number("Width"), number("Height")] : el.Paper.value.split(",").map(Number);
|
|
if (el.Orientation.value === "landscape") [paperWidth, paperHeight] = [paperHeight, paperWidth];
|
|
if (profile) [paperWidth, paperHeight] = [profile.width, profile.height];
|
|
const scope = el.Scope.value;
|
|
const [rows, columns] = el.Grid.value.split(",").map(Number);
|
|
if (scope === "selected" && !this.context.selection.length) throw new Error("未选择页面");
|
|
if (scope === "range" && !el.Range.value.trim()) throw new Error("请输入页码范围");
|
|
const manual = this.manual(), duplex = el.Duplex.value.replace("manualL", "l").replace("manualS", "s");
|
|
if (manual && this.isDevice() && number("Copies") !== 1) throw new Error("手动双面每次仅支持1份");
|
|
return {
|
|
...(scope === "current" ? {pages:[this.context.page]} : scope === "selected" ? {pages:this.context.selection} : scope === "range" ? {pageRange:el.Range.value.trim()} : {}),
|
|
mode:el.Mode.value, scaling:el.Scaling.value, paperWidth, paperHeight,
|
|
margins:{top:number("MarginTop"), right:number("MarginRight"), bottom:number("MarginBottom"), left:number("MarginLeft")},
|
|
...(profile ? {printableArea:{x:profile.printableArea.x, y:profile.printableArea.y, w:profile.printableArea.width, h:profile.printableArea.height}} : {}),
|
|
copies:this.isDevice() ? number("Copies") : 1, collate:el.Collation.checked, duplex,
|
|
scale:el.Scale.disabled ? 1 : number("Scale") / 100, rotate:el.Rotate.checked, reverse:el.Reverse.checked !== (manual && el.Sides.value === "back" && el.BackReverse.checked), parity:el.Parity.value, sides:el.Sides.value,
|
|
backRotate:manual && el.BackRotate.checked,
|
|
rows, columns, pageOrder:el.PageOrder.value, gap:el.Gap.disabled ? 0 : number("Gap"), binding:el.Binding.value, bookletSheets:!el.BookletSheets.disabled && el.BookletSheets.value ? number("BookletSheets") : 0, overlap:el.Overlap.disabled ? 0 : number("Overlap"),
|
|
...(el.Mode.value === "booklet" ? {sheetFrom:el.SheetFrom.value ? number("SheetFrom") : 0, sheetTo:el.SheetTo.value ? number("SheetTo") : 0} : {}),
|
|
contents:el.Contents.value, grayscale:el.Grayscale.checked, borders:el.Borders.checked, cropMarks:el.CropMarks.checked, raster:el.Raster.checked, dpi:number("DPI"), tileOnlyLarge:el.TileOnlyLarge.checked, labels:el.Labels.checked
|
|
};
|
|
}
|
|
|
|
schedule() {
|
|
const el = this.el, mode = el.Mode.value;
|
|
const source = el.Paper.querySelector('option[value="source"]');
|
|
if (source) source.disabled = mode !== "single";
|
|
if (mode !== "single" && el.Paper.value === "source") el.Paper.value = "210,297";
|
|
if (mode === "booklet" && this.mode !== "booklet") {
|
|
this.orientation = el.Orientation.value;
|
|
this.duplexBeforeBooklet = el.Duplex.value;
|
|
this.scalingBeforeBooklet = el.Scaling.value;
|
|
el.Scaling.value = "shrink";
|
|
el.Duplex.value = this.isDevice() && !this.profile?.duplex ? "manualShortEdge" : "shortEdge";
|
|
} else if (mode !== "booklet" && this.mode === "booklet") {
|
|
el.Orientation.value = this.orientation;
|
|
el.Duplex.value = this.duplexBeforeBooklet;
|
|
el.Scaling.value = this.scalingBeforeBooklet;
|
|
}
|
|
if (mode === "booklet") el.Orientation.value = "landscape";
|
|
this.mode = mode;
|
|
if (this.isDevice() && !this.profile?.duplex && ["longEdge", "shortEdge"].includes(el.Duplex.value)) el.Duplex.value = el.Duplex.value === "longEdge" ? "manualLongEdge" : "manualShortEdge";
|
|
if (mode === "booklet" && el.Duplex.value === "simplex") el.Duplex.value = this.isDevice() && !this.profile?.duplex ? "manualShortEdge" : "shortEdge";
|
|
if (el.Duplex.value === "simplex") el.Sides.value = "all";
|
|
const isManual = this.manual();
|
|
el.Sides.querySelector('option[value="all"]').disabled = isManual;
|
|
if (isManual && el.Sides.value === "all") el.Sides.value = "front";
|
|
for (const option of el.Duplex.options) option.disabled = this.isDevice() && !this.profile?.duplex && ["longEdge", "shortEdge"].includes(option.value) || mode === "booklet" && ["simplex", "longEdge", "manualLongEdge"].includes(option.value);
|
|
el.Orientation.disabled = mode === "booklet" || el.Paper.value === "source";
|
|
const rows = {device:this.isDevice(), sides:el.Duplex.value !== "simplex", manual:isManual, range:el.Scope.value === "range", paper:el.Paper.value === "custom", scale:el.Scaling.value === "custom" || mode === "poster", multiple:mode === "multiple", gap:mode === "multiple" || mode === "booklet", booklet:mode === "booklet", poster:mode === "poster"};
|
|
for (const row of el.Panel.querySelectorAll("[data-print-row]")) {
|
|
row.hidden = !rows[row.dataset.printRow];
|
|
for (const input of row.querySelectorAll("input, select")) input.disabled = row.hidden;
|
|
}
|
|
el.Scaling.disabled = mode === "poster" || mode === "booklet";
|
|
el.DPI.disabled = !el.Raster.checked && !el.Grayscale.checked;
|
|
const sequence = ++this.sequence;
|
|
this.layout = null;
|
|
this.job = null;
|
|
this.controls();
|
|
clearTimeout(this.timer);
|
|
this.timer = setTimeout(() => {
|
|
this.queue = this.queue.catch(() => {}).then(() => this.refresh(sequence));
|
|
}, 160);
|
|
}
|
|
|
|
async refresh(sequence) {
|
|
if (!this.current(sequence)) return;
|
|
const context = this.context;
|
|
try {
|
|
if (!this.el.Form.reportValidity()) return;
|
|
const deviceOptions = this.isDevice() ? this.deviceOptions() : null;
|
|
const profile = deviceOptions ? await this.nativeHost.call("print.query", deviceOptions) : null;
|
|
if (!this.current(sequence)) return;
|
|
this.profile = profile;
|
|
const options = this.options(profile);
|
|
this.el.Status.textContent = "正在准备打印";
|
|
const layout = await context.call(this.prepared ? "ofdgoLayoutPrint" : "ofdgoPreparePrint", options);
|
|
if (!this.current(sequence)) return;
|
|
this.prepared = true;
|
|
this.layout = layout;
|
|
if (this.isDevice()) this.el.Copies.max = Math.min(999, this.profile.maxCopies || 999, layout.copiesLimit > 0 ? layout.copiesLimit : 999);
|
|
this.job = {deviceOptions, fingerprint:profile?.fingerprint, manual:this.manual(), sides:options.sides, backContent:layout.backContent};
|
|
this.el.Status.textContent = "";
|
|
if (layout.sides.some(side => side.placements.some(placement => placement.clipped))) this.el.Status.textContent = "内容超出可打印区域";
|
|
if (this.manual() && options.sides === "back" && !layout.backContent) this.el.Status.textContent = "背面为空白";
|
|
this.remember();
|
|
await this.preview(Math.min(this.side, layout.sides.length - 1));
|
|
} catch (error) {
|
|
if (this.current(sequence)) this.el.Status.textContent = error.code === "printDenied" ? "文档禁止打印" : error.message;
|
|
} finally {
|
|
if (this.current(sequence)) this.controls();
|
|
}
|
|
}
|
|
|
|
current(sequence = this.sequence) { return this.el.Panel.open && sequence === this.sequence && this.context && !this.context.tab.closed; }
|
|
|
|
async preview(index) {
|
|
if (!this.layout || this.running) return;
|
|
if (!Number.isInteger(index) || index < 0 || index >= this.layout.sides.length) { this.controls(); return; }
|
|
const sequence = this.sequence, preview = this.previewSequence = (this.previewSequence || 0) + 1;
|
|
this.side = index;
|
|
this.controls();
|
|
try {
|
|
let {svg} = await this.context.call("ofdgoPrintSide", index);
|
|
if (!this.current(sequence) || preview !== this.previewSequence) return;
|
|
if (this.profile) {
|
|
const area = this.profile.printableArea;
|
|
svg = svg.replace("</svg>", `<rect x="${area.x}" y="${area.y}" width="${area.width}" height="${area.height}" fill="none" stroke="#88949e" stroke-width="0.2" stroke-dasharray="1 1"/></svg>`);
|
|
}
|
|
const url = URL.createObjectURL(new Blob([svg], {type:"image/svg+xml"}));
|
|
const img = new Image();
|
|
img.src = url;
|
|
try { await img.decode(); } catch (error) { URL.revokeObjectURL(url); throw error; }
|
|
if (!this.current(sequence) || preview !== this.previewSequence) { URL.revokeObjectURL(url); return; }
|
|
if (this.previewURL) URL.revokeObjectURL(this.previewURL);
|
|
this.previewURL = url;
|
|
this.el.Preview.replaceChildren(img);
|
|
this.resize();
|
|
} catch (error) { if (this.current(sequence) && preview === this.previewSequence) { this.el.Status.textContent = error.message; this.layout = null; this.controls(); } }
|
|
}
|
|
|
|
resize() {
|
|
const fit = this.el.Zoom.value === "fit";
|
|
this.el.Preview.style.overflow = fit ? "hidden" : "auto";
|
|
const img = this.el.Preview.querySelector("img"), side = this.layout?.sides[this.side];
|
|
if (!img || !side || !this.previewSize) return;
|
|
const factor = fit ? Math.min(this.previewSize.width / side.width, this.previewSize.height / side.height) : Number(this.el.Zoom.value) * 96 / 25.4;
|
|
img.style.width = `${Math.max(1, side.width * factor)}px`;
|
|
img.style.height = `${Math.max(1, side.height * factor)}px`;
|
|
}
|
|
|
|
controls() {
|
|
const count = this.layout?.sides.length || 0, busy = !!this.running || !!this.loading;
|
|
this.el.Settings.disabled = busy;
|
|
this.el.Submit.disabled = !count || busy;
|
|
if (this.el.Printer.value !== "pdf" && this.manual() && this.el.Sides.value === "back" && !this.layout?.backContent) this.el.Submit.disabled = true;
|
|
this.el.Previous.disabled = busy || !count || this.side === 0;
|
|
this.el.Next.disabled = busy || !count || this.side + 1 === count;
|
|
this.el.PreviewNumber.disabled = busy || !count;
|
|
this.el.PreviewNumber.max = count || 1;
|
|
this.el.PreviewNumber.value = count ? this.side + 1 : 1;
|
|
this.el.PageCount.textContent = `/ ${count}`;
|
|
this.el.Cancel.textContent = busy && !this.waiting ? "取消" : "关闭";
|
|
this.el.Cancel.disabled = !!this.waiting;
|
|
}
|
|
|
|
remember() {
|
|
const saved = {};
|
|
for (const [name, node] of Object.entries(this.el)) if (node.closest("#printSettings") && !["Printer", "Copies", "Paper", "Scope", "Range", "Parity", "Reverse", "Sides", "Contents", "SheetFrom", "SheetTo"].includes(name) && node.matches("input, select")) saved[name] = node.type === "checkbox" ? node.checked : node.value;
|
|
try { localStorage.setItem("ofdgo.print", JSON.stringify(saved)); } catch {}
|
|
}
|
|
|
|
createRoot() {
|
|
const root = document.createElement("div");
|
|
root.id = "ofdgoPrintDocument";
|
|
document.body.append(root);
|
|
return root;
|
|
}
|
|
|
|
async print() {
|
|
if (!this.layout || !this.job || this.running) return;
|
|
if (this.el.Printer.value === "pdf") return this.pdf();
|
|
const sequence = this.sequence, context = this.context;
|
|
const job = this.job;
|
|
this.running = true;
|
|
this.controls();
|
|
try {
|
|
this.root ||= this.createRoot();
|
|
this.root.replaceChildren();
|
|
const style = document.createElement("style");
|
|
this.root.append(style);
|
|
for (let i = 0; i < this.layout.sides.length; i++) {
|
|
if (!this.current(sequence)) throw new DOMException("打印已取消", "AbortError");
|
|
this.el.Status.textContent = `正在准备纸面 ${i + 1}/${this.layout.sides.length}`;
|
|
const {svg} = await context.call("ofdgoPrintSide", i);
|
|
if (!this.current(sequence)) throw new DOMException("打印已取消", "AbortError");
|
|
const url = URL.createObjectURL(new Blob([svg], {type:"image/svg+xml"}));
|
|
this.urls.push(url);
|
|
const img = new Image(), section = document.createElement("section"), side = this.layout.sides[i];
|
|
img.src = url;
|
|
section.append(img);
|
|
section.style.cssText = `page:ofdgoPrint${i};width:${side.width}mm;height:${side.height}mm`;
|
|
style.textContent += `@page ofdgoPrint${i}{size:${side.width}mm ${side.height}mm;margin:0}`;
|
|
this.root.append(section);
|
|
await img.decode();
|
|
}
|
|
await document.fonts.ready;
|
|
if (!this.current(sequence)) throw new DOMException("打印已取消", "AbortError");
|
|
this.previousTitle = document.title;
|
|
document.title = context.name;
|
|
this.waiting = this.nativeHost ? "native" : "browser";
|
|
this.controls();
|
|
this.el.Status.textContent = job.deviceOptions ? "正在提交打印作业" : "正在打开打印窗口";
|
|
if (job.deviceOptions) {
|
|
const result = await this.nativeHost.call("print", {...job.deviceOptions, fingerprint:job.fingerprint});
|
|
if (this.current(sequence)) {
|
|
this.finishPrint();
|
|
if (!result?.submitted) throw new Error("打印作业未被接受");
|
|
if (job.manual && job.sides === "front") {
|
|
if (job.backContent) { this.el.Sides.value = "back"; this.schedule(); }
|
|
else this.el.Status.textContent = "背面为空白";
|
|
}
|
|
}
|
|
} else if (this.nativeHost) {
|
|
const capabilities = await this.nativeHost.call("print.capabilities", {});
|
|
if (!this.current(sequence)) throw new DOMException("打印已取消", "AbortError");
|
|
if (!capabilities.systemDialog) throw new Error("当前运行时不支持系统打印");
|
|
if (!capabilities.dialogCompletion) this.waiting = "browser";
|
|
await this.nativeHost.call("print.dialog", {kind:"system"});
|
|
if (this.current(sequence) && capabilities.dialogCompletion) this.finishPrint();
|
|
} else if (typeof window.print === "function") window.print();
|
|
else throw new Error("当前浏览器不支持打印");
|
|
} catch (error) {
|
|
if (this.current(sequence)) {
|
|
this.finishPrint();
|
|
this.el.Status.textContent = error.name === "AbortError" ? "打印已取消" : error.message;
|
|
}
|
|
} finally {
|
|
if (this.current(sequence)) {
|
|
if (!this.waiting) this.running = false;
|
|
this.controls();
|
|
}
|
|
}
|
|
}
|
|
|
|
finishPrint() {
|
|
if (this.previousTitle !== undefined) { document.title = this.previousTitle; delete this.previousTitle; }
|
|
this.root?.replaceChildren();
|
|
for (const url of this.urls) URL.revokeObjectURL(url);
|
|
this.urls = [];
|
|
this.el.Status.textContent = "";
|
|
this.waiting = this.running = false;
|
|
this.controls();
|
|
}
|
|
|
|
async pdf() {
|
|
if (!this.layout || this.running) return;
|
|
const sequence = this.sequence, context = this.context;
|
|
this.running = true;
|
|
this.controls();
|
|
this.el.Status.textContent = "正在生成打印PDF";
|
|
try {
|
|
const result = await context.call("ofdgoPrintPDF");
|
|
if (this.current(sequence)) {
|
|
await this.download(result.bytes, "application/pdf", `${context.name.replace(/\.[^.]+$/, "")}-打印.pdf`);
|
|
if (this.current(sequence)) this.el.Status.textContent = "";
|
|
}
|
|
} catch (error) { if (this.current(sequence)) this.el.Status.textContent = error.message; }
|
|
finally { if (this.current(sequence)) { this.running = false; this.controls(); } }
|
|
}
|
|
|
|
close() {
|
|
const context = this.context;
|
|
this.sequence++;
|
|
clearTimeout(this.timer);
|
|
if (context) this.cancel(context.tab);
|
|
this.finishPrint();
|
|
if (this.previewURL) URL.revokeObjectURL(this.previewURL);
|
|
this.previewURL = null;
|
|
this.el.Preview.replaceChildren();
|
|
this.context = null;
|
|
this.queue = this.queue.catch(() => {}).then(() => context?.call("ofdgoDiscardPrint").catch(() => {}));
|
|
}
|
|
}
|