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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<HTMLInputElement>("#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.substr(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<void>((resolve, reject) => {
const plotElementIdsControl = setInterval(() => {
let i = 0;
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]);
};
})();
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