From 26649f83873d9e01d23f2927f64155453918aec7 Mon Sep 17 00:00:00 2001
From: Arpit Chakladar <54011232+arpitchakladar@users.noreply.github.com>
Date: Thu, 6 Apr 2023 18:40:24 +0530
Subject: Improved the functionality of the Download PDF button and reduced
 bundle size manyfold.

---
 src/scripts/functionality/view-khatian/index.ts | 63 +++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 src/scripts/functionality/view-khatian/index.ts

(limited to 'src/scripts/functionality/view-khatian/index.ts')

diff --git a/src/scripts/functionality/view-khatian/index.ts b/src/scripts/functionality/view-khatian/index.ts
new file mode 100644
index 0000000..baf6d8e
--- /dev/null
+++ b/src/scripts/functionality/view-khatian/index.ts
@@ -0,0 +1,63 @@
+import { downloadPDF } from "@/shared/download-pdf";
+import getKhatinDetailsPDFPageData from "@/scripts/functionality/view-khatian/khatian-download-document";
+
+declare function loadKhatian(): void;
+
+document.addEventListener("DOMContentLoaded", () => {
+	const proxiedPost = $.post;
+
+	const submitButtonElement = document.querySelector("#khbutton") as HTMLButtonElement;
+	const separatorElement = document.querySelector("#bodycover > div > form > hr:nth-child(2)") as HTMLElement;
+	const formElement = document.querySelector("#bodycover > div > form") as HTMLElement;
+	let downloadPDFButton: HTMLButtonElement | null = null;
+
+	const submitButtonElementComputedStyles = window.getComputedStyle(submitButtonElement);
+	const styles = Array.from(submitButtonElementComputedStyles)
+		.reduce(
+			(str, property) => `${str}${property}:${submitButtonElementComputedStyles.getPropertyValue(property)};`,
+			""
+		);
+
+	const getValueOfSelectElement = (selector: string) => {
+		const element = document.querySelector(selector) as HTMLSelectElement;
+		return element.options[element.selectedIndex].text;
+	};
+
+	const downloadKhatianInformationPDF = () => {
+		const documentStringContent = getKhatinDetailsPDFPageData(document.querySelector("#khdetails")!.innerHTML, {
+			district: getValueOfSelectElement("#lstDistrictCode1"),
+			block: getValueOfSelectElement("#lstBlockCode1"),
+			mouza: getValueOfSelectElement("#lstMouzaList")
+		});
+		downloadPDF(`<div id="content">${documentStringContent}</div>`, "khatian-details.pdf");
+	};
+
+	$.post = function() {
+		if (arguments[0].startsWith("khDetailsAction_LandInfo.action")) {
+			const callback = arguments[2];
+			arguments[2] = (data: any) => {
+				callback(data);
+				const tableElement = document.querySelector("#khdetails > table > tbody > tr > td:nth-child(1) > div:nth-child(5) > table > tbody") as HTMLElement | null;
+
+				if (tableElement) {
+					tableElement.style.height = "auto";
+					tableElement.style.width = "100%";
+
+					if (!downloadPDFButton) {
+						downloadPDFButton = document.createElement("button");
+						downloadPDFButton.innerHTML = "Download PDF";
+						downloadPDFButton.style.cssText = styles;
+						downloadPDFButton.style.width = "auto";
+						downloadPDFButton.addEventListener("click", downloadKhatianInformationPDF);
+						formElement.insertBefore(downloadPDFButton, separatorElement);
+					}
+				} else if (downloadPDFButton) {
+					formElement.removeChild(downloadPDFButton);
+					downloadPDFButton = null;
+				}
+			}
+		}
+
+		return proxiedPost.apply(this, Array.from(arguments) as any);
+	}
+});
-- 
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