From 600c337b1cdc884aebf59083eb57b178b43441ce Mon Sep 17 00:00:00 2001 From: Arpit Chakladar Date: Mon, 13 Jul 2026 11:35:08 +0530 Subject: docs: added some documentation comments to all functions --- src/scripts/captcha/know-your-property.ts | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/scripts/captcha/know-your-property.ts') diff --git a/src/scripts/captcha/know-your-property.ts b/src/scripts/captcha/know-your-property.ts index 6e11a3f..3abdf08 100644 --- a/src/scripts/captcha/know-your-property.ts +++ b/src/scripts/captcha/know-your-property.ts @@ -1,3 +1,8 @@ +/** + * Hides the CAPTCHA section on the Know-Your-Property page and + * stubs the captcha validation so the user can proceed without + * solving a CAPTCHA. + */ document.addEventListener("DOMContentLoaded", () => { $("#khatianPlotDiv > div:nth-child(6) > div").hide(); (window as any).validateCaptcha = () => true; -- cgit v1.2.3 From 6f6c263a072c9df4e826d8ebb2035c82a87be7e0 Mon Sep 17 00:00:00 2001 From: Arpit Chakladar Date: Mon, 13 Jul 2026 20:49:57 +0530 Subject: refactor: organised the scripts into a more well defined structure now all scripts that are common to all pages lie in src/scripts/common each page gets its own folder in src/pages and different parts of the page's configuration are separated in separated folders which are all finally imported in src/pages/*/index.ts --- src/scripts.json | 14 +- src/scripts/captcha/application-receipt.ts | 9 - src/scripts/captcha/know-your-property.ts | 9 - src/scripts/common/login/captcha.ts | 122 +++++++++++ src/scripts/common/login/index.ts | 1 + src/scripts/common/stop-blocking.ts | 29 +++ src/scripts/functionality/mutation-application.ts | 60 ----- .../sheet-map/download-map-pdf-page-content.html | 87 -------- src/scripts/functionality/sheet-map/index.ts | 185 ---------------- .../map-plot-number-label-text-element.html | 3 - .../sheet-map/map-plot-polygon-path-element.html | 1 - .../sheet-map/plot-information-element.html | 6 - .../download-information-pdf-page-content.html | 241 --------------------- src/scripts/functionality/view-khatian/index.ts | 95 -------- src/scripts/login/index.ts | 122 ----------- src/scripts/pages/application-receipt/captcha.ts | 9 + src/scripts/pages/application-receipt/index.ts | 1 + src/scripts/pages/know-your-property/captcha.ts | 9 + src/scripts/pages/know-your-property/index.ts | 1 + .../pages/mutation-application/download-button.ts | 60 +++++ src/scripts/pages/mutation-application/index.ts | 1 + .../sheet-map/download-map-pdf-page-content.html | 87 ++++++++ src/scripts/pages/sheet-map/index.ts | 185 ++++++++++++++++ .../map-plot-number-label-text-element.html | 3 + .../sheet-map/map-plot-polygon-path-element.html | 1 + .../pages/sheet-map/plot-information-element.html | 6 + .../download-information-pdf-page-content.html | 241 +++++++++++++++++++++ src/scripts/pages/view-khatian/index.ts | 95 ++++++++ src/scripts/stop-blocking.ts | 29 --- 29 files changed, 858 insertions(+), 854 deletions(-) delete mode 100644 src/scripts/captcha/application-receipt.ts delete mode 100644 src/scripts/captcha/know-your-property.ts create mode 100644 src/scripts/common/login/captcha.ts create mode 100644 src/scripts/common/login/index.ts create mode 100644 src/scripts/common/stop-blocking.ts delete mode 100644 src/scripts/functionality/mutation-application.ts delete mode 100644 src/scripts/functionality/sheet-map/download-map-pdf-page-content.html delete mode 100644 src/scripts/functionality/sheet-map/index.ts delete mode 100644 src/scripts/functionality/sheet-map/map-plot-number-label-text-element.html delete mode 100644 src/scripts/functionality/sheet-map/map-plot-polygon-path-element.html delete mode 100644 src/scripts/functionality/sheet-map/plot-information-element.html delete mode 100644 src/scripts/functionality/view-khatian/download-information-pdf-page-content.html delete mode 100644 src/scripts/functionality/view-khatian/index.ts delete mode 100644 src/scripts/login/index.ts create mode 100644 src/scripts/pages/application-receipt/captcha.ts create mode 100644 src/scripts/pages/application-receipt/index.ts create mode 100644 src/scripts/pages/know-your-property/captcha.ts create mode 100644 src/scripts/pages/know-your-property/index.ts create mode 100644 src/scripts/pages/mutation-application/download-button.ts create mode 100644 src/scripts/pages/mutation-application/index.ts create mode 100644 src/scripts/pages/sheet-map/download-map-pdf-page-content.html create mode 100644 src/scripts/pages/sheet-map/index.ts create mode 100644 src/scripts/pages/sheet-map/map-plot-number-label-text-element.html create mode 100644 src/scripts/pages/sheet-map/map-plot-polygon-path-element.html create mode 100644 src/scripts/pages/sheet-map/plot-information-element.html create mode 100644 src/scripts/pages/view-khatian/download-information-pdf-page-content.html create mode 100644 src/scripts/pages/view-khatian/index.ts delete mode 100644 src/scripts/stop-blocking.ts (limited to 'src/scripts/captcha/know-your-property.ts') diff --git a/src/scripts.json b/src/scripts.json index 4517408..fb6a0ee 100644 --- a/src/scripts.json +++ b/src/scripts.json @@ -1,13 +1,13 @@ { "injected": { - "stop-blocking.ts": "*", - "functionality/mutation-application.ts": "MuteApplication.action", - "functionality/view-khatian/index.ts": "KnowYourProperty.action", - "captcha/know-your-property.ts": "KnowYourProperty.action", - "captcha/application-receipt.ts": "Apprecrep.action", - "functionality/sheet-map/index.ts": "SheetMapViewAction.action" + "common/stop-blocking.ts": "*", + "pages/know-your-property/index.ts": "KnowYourProperty.action", + "pages/application-receipt/index.ts": "Apprecrep.action", + "pages/mutation-application/index.ts": "MuteApplication.action", + "pages/view-khatian/index.ts": "KnowYourProperty.action", + "pages/sheet-map/index.ts": "SheetMapViewAction.action" }, "after": { - "login/index.ts": "*" + "common/login/index.ts": "*" } } diff --git a/src/scripts/captcha/application-receipt.ts b/src/scripts/captcha/application-receipt.ts deleted file mode 100644 index c5bb657..0000000 --- a/src/scripts/captcha/application-receipt.ts +++ /dev/null @@ -1,9 +0,0 @@ -/** - * Hides the CAPTCHA section on the application-receipt page and - * stubs the form validation so the user can proceed without - * solving a CAPTCHA. - */ -document.addEventListener("DOMContentLoaded", () => { - $("#werter > div > form > div:nth-child(4)").hide(); - (window as any).validateForm = () => true; -}); diff --git a/src/scripts/captcha/know-your-property.ts b/src/scripts/captcha/know-your-property.ts deleted file mode 100644 index 3abdf08..0000000 --- a/src/scripts/captcha/know-your-property.ts +++ /dev/null @@ -1,9 +0,0 @@ -/** - * Hides the CAPTCHA section on the Know-Your-Property page and - * stubs the captcha validation so the user can proceed without - * solving a CAPTCHA. - */ -document.addEventListener("DOMContentLoaded", () => { - $("#khatianPlotDiv > div:nth-child(6) > div").hide(); - (window as any).validateCaptcha = () => true; -}); diff --git a/src/scripts/common/login/captcha.ts b/src/scripts/common/login/captcha.ts new file mode 100644 index 0000000..73e8995 --- /dev/null +++ b/src/scripts/common/login/captcha.ts @@ -0,0 +1,122 @@ +import { observeDOM } from "@/shared/observe-dom"; + +/** + * Pre-processes a CAPTCHA image on a canvas by removing grayish + * background noise while preserving dark pixels, producing a clean + * binary image suitable for OCR. + * + * @param ctx - The 2D rendering context of the canvas. + * @param width - Canvas width in pixels. + * @param height - Canvas height in pixels. + */ +export function prepareCaptcha(ctx: CanvasRenderingContext2D, width: number, height: number) { + const imgData = ctx.getImageData(0, 0, width, height); + const data = imgData.data; + const radius = 1; + + /** Returns true when all three channels are below 50 (very dark). */ + function isBlack(r: number, g: number, b: number) { + return r < 50 && g < 50 && b < 50; + } + + /** Returns true when the colour is a mid-range grey (no strong hue). */ + function isGrayish(r: number, g: number, b: number) { + return Math.abs(r - g) < 15 && Math.abs(g - b) < 15 && r > 100 && r < 200; + } + + /** + * Checks whether a black pixel exists within `radius` pixels of (x, y). + * Used to preserve dark structures when removing grey noise. + */ + function hasNearbyBlack(x: number, y: number) { + for (let dx = -radius; dx <= radius; dx++) { + for (let dy = -radius; dy <= radius; dy++) { + const nx = x + dx; + const ny = y + dy; + if (nx >= 0 && nx < width && ny >= 0 && ny < height) { + const i = (ny * width + nx) * 4; + if (isBlack(data[i], data[i + 1], data[i + 2])) return true; + } + } + } + return false; + } + + for (let y = 0; y < height; y++) { + for (let x = 0; x < width; x++) { + const i = (y * width + x) * 4; + const [r, g, b] = [data[i], data[i + 1], data[i + 2]]; + if (isGrayish(r, g, b) && !hasNearbyBlack(x, y)) { + data[i] = data[i + 1] = data[i + 2] = 255; + } + } + } + for (let y = 0; y < height; y++) { + for (let x = 0; x < width; x++) { + const i = (y * width + x) * 4; + const [r, g, b] = [data[i], data[i + 1], data[i + 2]]; + + if (isGrayish(r, g, b)) { + data[i] = data[i + 1] = data[i + 2] = 0; // make black + } + } + } + ctx.putImageData(imgData, 0, 0); +} + +observeDOM(() => { + const loginFormElement = document.querySelector("#loginform") as (HTMLFormElement | undefined); + + if (loginFormElement) { + const captchaImg = loginFormElement.querySelector("#captchaImg") as HTMLImageElement; + const captchaInput = loginFormElement.querySelector("#txtInput") as HTMLInputElement; + + // Wait for image to load to get correct dimensions + captchaImg.addEventListener("load", async () => { + const { width, height } = captchaImg; + + // 1. Create canvas + const canvas = document.createElement("canvas"); + canvas.width = width; + canvas.height = height; + canvas.style.display = "block"; + + // 2. Copy styles (optional) + canvas.style.cssText = getComputedStyle(captchaImg).cssText; + canvas.style.display = "none"; + + // 3. Insert canvas before image + captchaImg.parentNode!.querySelectorAll("canvas").forEach(c => c.remove()); + captchaImg.parentNode!.insertBefore(canvas, captchaImg); + + // 4. Hide image + captchaImg.style.display = "none"; + + // 5. Draw the image onto the canvas + const ctx = canvas.getContext("2d")!; + ctx.drawImage(captchaImg, 0, 0); + prepareCaptcha(ctx, canvas.width, canvas.height); + canvas.style.display = ""; + const dataURL = canvas.toDataURL("image/png"); + + // Perform OCR + chrome.runtime.sendMessage( + { type: "OCR", dataURL }, + ({ success, text, confidence }) => { + if (success) { + const textResult = text.trim(); + if (confidence < 80 || textResult.length !== 6) { + // Reset the captcha if confidence is low + captchaImg.src = "generateCaptcha?" + new Date().getTime(); + } else { + captchaInput.value = textResult; + } + } + }, + ); + }); + } + + // This runs forever + return false; +}); diff --git a/src/scripts/common/login/index.ts b/src/scripts/common/login/index.ts new file mode 100644 index 0000000..17e2117 --- /dev/null +++ b/src/scripts/common/login/index.ts @@ -0,0 +1 @@ +import "@/scripts/login/captcha"; diff --git a/src/scripts/common/stop-blocking.ts b/src/scripts/common/stop-blocking.ts new file mode 100644 index 0000000..3fa3de6 --- /dev/null +++ b/src/scripts/common/stop-blocking.ts @@ -0,0 +1,29 @@ +/** + * Proxies jQuery's `.bind()` (for the `"cut copy paste"` event) and + * `.keydown()` so that the website's copy/paste/right-click blocking + * is disabled. Reverts the prototypes after patching to avoid + * interfering with other code. + */ +document.addEventListener("DOMContentLoaded", () => { + const proxiedBind = $.prototype.bind; + /** Proxies jQuery `.bind()` to no-op the `"cut copy paste"` event. */ + $.prototype.bind = function() { + if (arguments[0].trim() === "cut copy paste") { + arguments[1] = (_: any) => {}; + } + + return proxiedBind.apply(this, Array.from(arguments) as any); + } + + const proxiedKeydown = $.prototype.keydown; + /** Proxies jQuery `.keydown()` so all key presses are allowed. */ + $.prototype.keydown = function() { + arguments[0] = (_: any) => true; + + return proxiedKeydown.apply(this, Array.from(arguments) as any); + } + + $.prototype.bind = proxiedBind; + $.prototype.keydown = proxiedKeydown; + document.oncontextmenu = () => true; +}); diff --git a/src/scripts/functionality/mutation-application.ts b/src/scripts/functionality/mutation-application.ts deleted file mode 100644 index 9503e00..0000000 --- a/src/scripts/functionality/mutation-application.ts +++ /dev/null @@ -1,60 +0,0 @@ -import { PDFDocument, StandardFonts } from "pdf-lib"; -import { observeDOM } from "@/shared/observe-dom"; - -const sanghaFacilitationCentreBannerUrl = "$l{ /assets/sangha-facilitation-centre-banner.jpg }l$"; - -/** - * On the Mutation Application form, removes the form action (to prevent - * the default server-side submit) and attaches a custom click handler - * that fetches the declaration PDF, overlays a banner image and date - * stamp on the last page, then triggers a download. - */ -observeDOM(() => { - const formElement = $("#form_MutationApplication > div > div:nth-child(14) > div.col-sm-2.btreset > form"); - const submitButtonElement = $("#btnDeclareForm"); - if (formElement.length > 0 && submitButtonElement.length > 0) { - formElement.removeAttr("action"); - submitButtonElement.on("click", (submitButtonClickEvent) => { - submitButtonClickEvent.preventDefault(); - - (async () => { - const pdfDoc = await PDFDocument.load(await fetch("/BanglarBhumi/MutationDeclarationForm.action", { - method: "post", - credentials: "same-origin", - headers: { - "Content-Type": "application/x-www-form-urlencoded" - }, - body: "hdnAppNo=" - }).then(res => res.arrayBuffer())); - const pages = pdfDoc.getPages(); - const lastPage = pages[pages.length - 1]; - const { width, height: _ } = lastPage.getSize(); - const bannerImage = await pdfDoc.embedJpg(await fetch(sanghaFacilitationCentreBannerUrl).then(res => res.arrayBuffer())); - const bannerImageHeight = width * (bannerImage.height / bannerImage.width); - - lastPage.drawImage(bannerImage, { - x: 0, - y: 0, - width: width, - height: bannerImageHeight - }); - - lastPage.drawText(pdfDoc.getCreationDate()!.toLocaleString(), { - x: 10, - y: bannerImageHeight, - size: 12, - font: await pdfDoc.embedFont(StandardFonts.TimesRoman) - }); - - const link = document.createElement("a"); - link.href = window.URL.createObjectURL(new Blob([new Uint8Array(await pdfDoc.save())], {type: "application/pdf"})); - link.download = "Declaration.pdf"; - link.click(); - })(); - }); - - return true; - } else { - return false; - } -}); diff --git a/src/scripts/functionality/sheet-map/download-map-pdf-page-content.html b/src/scripts/functionality/sheet-map/download-map-pdf-page-content.html deleted file mode 100644 index da765ec..0000000 --- a/src/scripts/functionality/sheet-map/download-map-pdf-page-content.html +++ /dev/null @@ -1,87 +0,0 @@ - -
-
- DISTRICT: $district$ -
-
- BLOCK: $block$ -
-
- MOUZA: $mouza$ -
-
- - $mapContent$ - - diff --git a/src/scripts/functionality/sheet-map/index.ts b/src/scripts/functionality/sheet-map/index.ts deleted file mode 100644 index a4d7544..0000000 --- a/src/scripts/functionality/sheet-map/index.ts +++ /dev/null @@ -1,185 +0,0 @@ -import { generateWebPage } from "@/shared/generate-web-page"; -import getDownloadMapPDFPageContent from "@/scripts/functionality/sheet-map/download-map-pdf-page-content.html"; -import getMapPlotPolygonPathElement from "@/scripts/functionality/sheet-map/map-plot-polygon-path-element.html"; -import getMapPlotNumberLabelTextElement from "@/scripts/functionality/sheet-map/map-plot-number-label-text-element.html"; -import getPlotInformationElement from "@/scripts/functionality/sheet-map/plot-information-element.html"; - -interface PlotPolygon { - plotArea: number; - plotno: string; - polygon: string; -}; - -interface PlotNumberLabel { - plotno: string; - point: string; -} - -const headerElement = document.querySelector("#headerTable > tbody > tr")!; -const plotNumberInput = document.querySelector("#txtPlotNo")!; -const plotInformation = document.createElement("div") as HTMLDivElement; -let plotPolygonPathElements = ""; -let plotNumberLabelTextElements = ""; - -document.body.appendChild(plotInformation); - -/** - * Creates a header toolbar button and appends it to the page header. - * The button starts hidden and is shown when data is ready. - * - * @param text - The button label text. - * @returns The created button element. - */ -const createHeaderButton = (text: string) => { - const buttonContainer = document.createElement("td"); - const button = document.createElement("button"); - button.innerHTML = text; - button.style.display = "none"; - buttonContainer.appendChild(button); - headerElement.appendChild(buttonContainer); - return button; -}; - -/** - * Displays the area and plot number for the given polygon in a floating - * info panel, or shows "0.000" / empty if no polygon is selected. - * - * @param plotPolygon - The selected plot's data, or `null`/`undefined` to clear. - */ -const setPlotInformation = (plotPolygon: PlotPolygon | null | undefined = null) => { - plotInformation.innerHTML = plotPolygon ? getPlotInformationElement({ - area: (plotPolygon.plotArea/1000).toFixed(3), - plotNumber: plotPolygon.plotno - }) : getPlotInformationElement({ - area: "0.000", - plotNumber: "" - }); -}; - -/** - * Opens a new window with a printable PDF view of the map, optionally - * including plot-number labels. - * - * @param labelPoints - Whether to include plot number text labels. - */ -const downloadPDF = (labelPoints: boolean = true) => { - /** Extracts a detail value (district/block/mouza) from the header table by column index. */ - const _getMapDetail = (i: number) => { - const detail = document.querySelector(`#headerTable > tbody > tr > td:nth-child(${i})`)! - .innerHTML - .split("[")[1] - .trim(); - return detail.substring(0, detail.length - 1); - }; - generateWebPage( - getDownloadMapPDFPageContent({ - district: _getMapDetail(1), - block: _getMapDetail(2), - mouza: _getMapDetail(3), - mapContent: plotPolygonPathElements + (labelPoints ? plotNumberLabelTextElements : "") - }), - "map" - ); -}; - -const downloadPDFButton = createHeaderButton("SAVE PDF"); -const downloadPDFNoLabelButton = createHeaderButton("SAVE PDF (NO LABEL)"); - -downloadPDFButton.addEventListener("click", e => { - e.preventDefault(); - downloadPDF(); -}); - -downloadPDFNoLabelButton.addEventListener("click", e => { - e.preventDefault(); - downloadPDF(false); -}); - -setPlotInformation(); - -(async () => { - const searchParams = new URLSearchParams(window.location.search); - const response1 = await fetch( - "/BanglarBhumi/sheetMap_populateLayerData?lstSheetNo=" + searchParams.get("lstSheetNo"), - { - method: "POST" - }); - const plotPolygonList: PlotPolygon[] = (await response1.json()).features; - const response2 = await fetch( - "/BanglarBhumi/sheetMap_populateCentroidData?lstSheetNo=" + searchParams.get("lstSheetNo"), - { - method: "POST" - }); - const plotNumberLabelList: PlotNumberLabel[] = (await response2.json()).features; - let plotPolygons: { [key: string]: PlotPolygon } = {}; - - for (const plotPolygon of plotPolygonList) { - const plotPolygonPoints = plotPolygon.polygon.split("(((")[1].split(")))")[0]; - plotPolygonPathElements += getMapPlotPolygonPathElement({ - polygonVertices: plotPolygonPoints - }); - } - - for (const plotNumberLabel of plotNumberLabelList) { - const plotNumberLabelPoint = plotNumberLabel.point.split("(")[1].split(")")[0].split(" "); - plotNumberLabelTextElements += getMapPlotNumberLabelTextElement({ - x: plotNumberLabelPoint[0], - y: plotNumberLabelPoint[1], - plotNumber: plotNumberLabel.plotno - }); - } - - downloadPDFButton.style.display = "inherit"; - downloadPDFNoLabelButton.style.display = "inherit"; - - document.querySelector("#btnSearch")!.addEventListener("click", () => { - let plotPolygon; - for (const p of plotPolygonList) { - if (p.plotno === plotNumberInput.value) { - plotPolygon = p; - break; - } - } - setPlotInformation(plotPolygon); - }); - - await new Promise((resolve, _reject) => { - const plotElementIdsControl = setInterval(() => { - let plotElements = document.querySelector("#OpenLayers_Layer_Vector_25_vroot")?.children || []; - if (plotElements.length) { - clearInterval(plotElementIdsControl); - for (let i = 0; i < plotElements.length; i++) { - plotPolygons[plotElements[i].id] = plotPolygonList[i]; - } - resolve(); - } - }, 50); - }); - - setInterval(() => { - for (const plotElementId in plotPolygons) { - const e = document.getElementById(plotElementId); - if (e) { - e.removeEventListener("click", handlePlotClick); - e.addEventListener("click", handlePlotClick); - } - } - }, 300); - - /** - * Highlights the clicked plot on the SVG map and shows its - * information in the info panel. - * - * @param e - The mouse click event. - */ - const handlePlotClick = (e: MouseEvent) => { - document.querySelectorAll("path").forEach(e => { - e.setAttribute("fill", "#ffcc66"); - }); - - const target = e.target as SVGPathElement; - - target.setAttribute("fill", "#8aeeef"); - setPlotInformation(plotPolygons[target.id]); - }; -})(); diff --git a/src/scripts/functionality/sheet-map/map-plot-number-label-text-element.html b/src/scripts/functionality/sheet-map/map-plot-number-label-text-element.html deleted file mode 100644 index d220367..0000000 --- a/src/scripts/functionality/sheet-map/map-plot-number-label-text-element.html +++ /dev/null @@ -1,3 +0,0 @@ - - $plotNumber$ - diff --git a/src/scripts/functionality/sheet-map/map-plot-polygon-path-element.html b/src/scripts/functionality/sheet-map/map-plot-polygon-path-element.html deleted file mode 100644 index d4d38a6..0000000 --- a/src/scripts/functionality/sheet-map/map-plot-polygon-path-element.html +++ /dev/null @@ -1 +0,0 @@ - diff --git a/src/scripts/functionality/sheet-map/plot-information-element.html b/src/scripts/functionality/sheet-map/plot-information-element.html deleted file mode 100644 index fd740a8..0000000 --- a/src/scripts/functionality/sheet-map/plot-information-element.html +++ /dev/null @@ -1,6 +0,0 @@ -
- Plot Number: $plotNumber$ -
-
- Area: $area$ acres -
diff --git a/src/scripts/functionality/view-khatian/download-information-pdf-page-content.html b/src/scripts/functionality/view-khatian/download-information-pdf-page-content.html deleted file mode 100644 index 129608e..0000000 --- a/src/scripts/functionality/view-khatian/download-information-pdf-page-content.html +++ /dev/null @@ -1,241 +0,0 @@ -
- - - -
$details$
- -
diff --git a/src/scripts/functionality/view-khatian/index.ts b/src/scripts/functionality/view-khatian/index.ts deleted file mode 100644 index ba721f6..0000000 --- a/src/scripts/functionality/view-khatian/index.ts +++ /dev/null @@ -1,95 +0,0 @@ -import { generateWebPage } from "@/shared/generate-web-page"; -import { interceptPost } from "@/shared/intercept-jquery-ajax"; -import getDownloadInformationPDFPageContent from "@/scripts/functionality/view-khatian/download-information-pdf-page-content.html"; - -const submitButtonElement = $("#khbutton"); -const separatorElement = $("#bodycover > div > form > hr:nth-child(2)"); -const formElement = $("#bodycover > div > form"); -let downloadPDFButton: JQuery | null = null; - -const submitButtonElementComputedStyles = window.getComputedStyle(submitButtonElement[0]); -const styles = Array.from(submitButtonElementComputedStyles) - .reduce( - (str, property) => `${str}${property}:${submitButtonElementComputedStyles.getPropertyValue(property)};`, - "" - ); - -/** - * Reads the currently selected text from a `` element. + * + * @param selector - CSS selector for the select element. + * @returns The text of the selected option. + */ +const getValueOfSelectElement = (selector: string) => { + const element = document.querySelector(selector)!; + return element.options[element.selectedIndex].text; +}; + +let isPlotInformation: boolean | null = null; + +/** + * Opens a new window with a printable PDF view of the current khatian + * or plot details, including district/block/mouza info. + */ +const downloadInformationPDF = () => { + generateWebPage( + getDownloadInformationPDFPageContent({ + isPlotInformation: !!isPlotInformation, + details: $(isPlotInformation ? "#plotdetails" : "#khdetails").html(), + district: getValueOfSelectElement("#lstDistrictCode1"), + block: getValueOfSelectElement("#lstBlockCode1"), + mouza: getValueOfSelectElement("#lstMouzaList") + }), + isPlotInformation + ? "Plot Details" + : "Khatian Details" + ); +}; + +/** + * Intercepts the success callback of a jQuery AJAX call. When a valid + * details table is returned, it inserts a "Download PDF" button; + * otherwise it removes an existing button. + * + * @param args - The `arguments` object from the intercepted `$.post` call. + */ +const showDownloadButton = (args: any) => { + if (isPlotInformation !== null) { + const callback = args[2]; + args[2] = (data: any) => { + callback(data); + const tableElement = $(isPlotInformation + ? "#plotdetails > div:nth-child(1) > div:nth-child(4) > table > tbody" + : "#khdetails > table > tbody > tr > td:nth-child(1) > div:nth-child(5) > table > tbody" + ); + + if (tableElement.length) { + tableElement.css("height", "auto"); + tableElement.css("width", "100%"); + + if (!downloadPDFButton) { + downloadPDFButton = $(document.createElement("button")); + downloadPDFButton.html("Download PDF"); + downloadPDFButton[0].style.cssText = styles; + downloadPDFButton.css("width", "auto"); + downloadPDFButton.css("margin-bottom", "1rem"); + downloadPDFButton.on("click", downloadInformationPDF); + formElement[0].insertBefore(downloadPDFButton[0], separatorElement[0]); + } + } else if (downloadPDFButton) { + ($(downloadPDFButton as any) as any).remove(); + isPlotInformation = null; + downloadPDFButton = null; + } + } + } +}; + +interceptPost("plotDetailsAction_LandInfo.action", args => { + isPlotInformation = true; + showDownloadButton(args); +}); +interceptPost("khDetailsAction_LandInfo.action", args => { + isPlotInformation = false; + showDownloadButton(args); +}); diff --git a/src/scripts/stop-blocking.ts b/src/scripts/stop-blocking.ts deleted file mode 100644 index 3fa3de6..0000000 --- a/src/scripts/stop-blocking.ts +++ /dev/null @@ -1,29 +0,0 @@ -/** - * Proxies jQuery's `.bind()` (for the `"cut copy paste"` event) and - * `.keydown()` so that the website's copy/paste/right-click blocking - * is disabled. Reverts the prototypes after patching to avoid - * interfering with other code. - */ -document.addEventListener("DOMContentLoaded", () => { - const proxiedBind = $.prototype.bind; - /** Proxies jQuery `.bind()` to no-op the `"cut copy paste"` event. */ - $.prototype.bind = function() { - if (arguments[0].trim() === "cut copy paste") { - arguments[1] = (_: any) => {}; - } - - return proxiedBind.apply(this, Array.from(arguments) as any); - } - - const proxiedKeydown = $.prototype.keydown; - /** Proxies jQuery `.keydown()` so all key presses are allowed. */ - $.prototype.keydown = function() { - arguments[0] = (_: any) => true; - - return proxiedKeydown.apply(this, Array.from(arguments) as any); - } - - $.prototype.bind = proxiedBind; - $.prototype.keydown = proxiedKeydown; - document.oncontextmenu = () => true; -}); -- cgit v1.2.3