ws4kp/server/scripts/twc3.js

var GetWeatherHazards3 = function (WeatherParameters) {
	var ZoneId = WeatherParameters.ZoneId;
	var HazardUrls = [];
	var HazardCounter = 0;

	WeatherParameters.WeatherHazardConditions =
	{
		ZoneId: WeatherParameters.ZoneId,
		Hazards: [],
	};

	var Url = 'https://alerts.weather.gov/cap/wwaatmget.php?x=' + ZoneId + '&y=0';

	// Load the xml file using ajax
	$.ajaxCORS({
		type: 'GET',
		url: Url,
		dataType: 'text',
		crossDomain: true,
		cache: false,
		success: function (text) {
			// IE doesn't support XML tags with colons.
			text = text.replaceAll('<cap:', '<cap_');
			text = text.replaceAll('</cap:', '</cap_');

			var $xml = $(text);
			//console.log(xml);

			$xml.find('entry').each(function () {
				var entry = $(this);

				// Skip non-alerts.
				var cap_msgType = entry.find('cap_msgType');
				if (cap_msgType.text() !== 'Alert') {
					return true;
				}

				var link = entry.find('link');
				var Url = link.attr('href');

				HazardUrls.push(Url);
			});

			if (HazardUrls.length === 0) {
				PopulateHazardConditions(WeatherParameters);
				console.log(WeatherParameters.WeatherHazardConditions);
				return;
			}

			$(HazardUrls).each(function () {
				var Url = this.toString();

				$.ajaxCORS({
					type: 'GET',
					url: Url,
					dataType: 'xml',
					crossDomain: true,
					cache: true,
					success: function (xml) {
						var $xml = $(xml);
						console.log(xml);

						var description = $xml.find('description');
						WeatherParameters.WeatherHazardConditions.Hazards.push(description.text());

						HazardCounter++;
						if (HazardCounter === HazardUrls.length) {
							PopulateHazardConditions(WeatherParameters);
							console.log(WeatherParameters.WeatherHazardConditions);
						}
					},
					error: function () {
						console.error('GetWeatherHazards3 failed for Url: ' + Url);
						WeatherParameters.Progress.Hazards = LoadStatuses.Failed;
					},
				});
			});

		},
		error: function (xhr, error, errorThrown) {
			console.error('GetWeatherHazards3 failed: ' + errorThrown);
			WeatherParameters.Progress.Hazards = LoadStatuses.Failed;
		},
	});
};

var canvasProgress_mousemove = function (e) {
	canvasProgress.css('cursor', '');

	var RatioX = canvasProgress.width() / 640;
	var RatioY = canvasProgress.height() / 480;

	if (e.offsetX >= (70 * RatioX) && e.offsetX <= (565 * RatioX)) {
		//if (e.offsetY >= (105 * RatioY) && e.offsetY <= (350 * RatioY))
		if (e.offsetY >= (100 * RatioY) && e.offsetY <= (385 * RatioY)) {
			// Show hand cursor.
			canvasProgress.css('cursor', 'pointer');
		}
	}
};
var PopulateHazardConditions = function (WeatherParameters) {
	if (WeatherParameters === null || (_DontLoadGifs && WeatherParameters.Progress.Hazards !== LoadStatuses.Loaded)) {
		return;
	}

	var WeatherHazardConditions = WeatherParameters.WeatherHazardConditions;
	var ZoneId = WeatherHazardConditions.ZoneId;
	var Text;
	var Line;
	var SkipLine;

	var DontLoadGifs = _DontLoadGifs;

	divHazards.empty();

	$(WeatherHazardConditions.Hazards).each(function () {
		//Text = this.replaceAll("\n", "<br/>");
		//divHazards.html(divHazards.html() + "<br/><br/>" + Text);

		Text = this.toString();

		SkipLine = false;

		Text = Text.replaceAll('\n', ' ');
		//Text = Text.replaceAll("*** ", "");

		//$(Text.split("\n")).each(function ()
		$(Text.split(' ')).each(function () {
			Line = this.toString();
			Line = Line.toUpperCase();

			if (Line.startsWith('&&')) {
				return false;
			} else if (Line.startsWith('$$')) {
				return false;
			}
			if (SkipLine) {
				if (Line === '') {
					SkipLine = false;
					return true;
				}

				return true;
			}

			if (Line.startsWith(ZoneId)) {
				SkipLine = true;
				return true;
			} else if (Line.indexOf('>') !== -1) {
				SkipLine = true;
				return true;
			} else if (Line.indexOf('LAT...LON ') !== -1) {
				SkipLine = true;
				return true;
			}

			//divHazards.html(divHazards.html() + "<br/>" + Line);
			if (Line.indexOf('.') === 0 || Line.indexOf('*') === 0) {
				divHazards.html(divHazards.html() + '<br/><br/>');
				if (Line.indexOf('.') === 0 && Line.indexOf('...') !== 0) {
					Line = Line.substr(1);
				}
			}

			divHazards.html(divHazards.html() + Line + ' ');

		});

		divHazards.html(divHazards.html() + '<br/><br/>');
	});

	var DrawHazards = function () {
		// Draw canvas
		var canvas = canvasHazards[0];
		var context = canvas.getContext('2d');

		var BackGroundImage = new Image();
		BackGroundImage.onload = function () {
			context.drawImage(BackGroundImage, 0, 0);

			if (DontLoadGifs) {
				UpdateHazards();
			}

			if (WeatherHazardConditions.Hazards.length > 0) {
				WeatherParameters.Progress.Hazards = LoadStatuses.Loaded;
			} else {
				WeatherParameters.Progress.Hazards = LoadStatuses.NoData;
			}

			UpdateWeatherCanvas(WeatherParameters, canvasHazards);
		};
		BackGroundImage.src = 'images/BackGround7.png';
	};

	var HazardsText = divHazards.html();

	HazardsText = HazardsText.replaceAll('<br>', '\n');
	HazardsText = HazardsText.replaceAll('<br/>', '\n');
	HazardsText = HazardsText.replaceAll('<br />', '\n');
	HazardsText = HazardsText.replaceAll('<br></br>', '\n');

	WeatherHazardConditions.HazardsText = HazardsText;
	WeatherHazardConditions.HazardsTextC = ConvertConditionsToMetric(HazardsText);
	if (_Units === Units.Metric) {
		HazardsText = WeatherHazardConditions.HazardsTextC;
	}

	var HazardsWrapped = HazardsText.wordWrap(32);

	var cnvHazardsScroll;

	var ShowHazardsScroll = function () {
		var cnvHazardsScrollId;
		var context;

		cnvHazardsScrollId = 'cnvHazardsScroll';

		var HazardsWrappedLines = HazardsWrapped.split('\n');
		var MaxHazardsWrappedLines = 365;
		if (_OperatingSystem === OperatingSystems.Andriod) {
			MaxHazardsWrappedLines = 92;
		}

		if (HazardsWrappedLines.length > MaxHazardsWrappedLines) {
			HazardsWrappedLines = HazardsWrappedLines.splice(0, MaxHazardsWrappedLines - 1);
		}
		var height = 0 + (HazardsWrappedLines.length * 45);

		if (DontLoadGifs === false) {
			// Clear the current image.
			divHazardsScroll.empty();
			divHazardsScroll.html('<canvas id=\'' + cnvHazardsScrollId + '\' />');
			cnvHazardsScroll = $('#' + cnvHazardsScrollId);
			cnvHazardsScroll.attr('width', '640'); // For Chrome.
			cnvHazardsScroll.attr('height', height); // For Chrome.
		}
		cnvHazardsScroll = $('#' + cnvHazardsScrollId);
		context = cnvHazardsScroll[0].getContext('2d');

		DrawBox(context, 'rgb(112, 35, 35)', 0, 0, 640, height);

		//var y = 0;
		var y = 45;

		$(HazardsWrappedLines).each(function () {
			var HazardLine = this.toString();

			DrawText(context, 'Star4000', '24pt', '#FFFFFF', 80, y, HazardLine, 1);

			y += 45;
		});

		DrawHazards();
	};
	ShowHazardsScroll();

};

var UpdateHazards = function (Offset) {
	var canvas = canvasHazards[0];
	var context = canvas.getContext('2d');
	var cnvHazardsScroll = $('#cnvHazardsScroll');

	switch (Offset) {
	case undefined:
		break;
	case 0:
		_UpdateHazardsY = 0;
		break;
	case Infinity:
		_UpdateHazardsY = cnvHazardsScroll.height();
		break;
	default:
		_UpdateHazardsY += (385 * Offset);
		if (_UpdateHazardsY > cnvHazardsScroll.height()) {
			_UpdateHazardsY = cnvHazardsScroll.height();
		} else if (_UpdateHazardsY < 0) {
			_UpdateHazardsY = 0;
		}
		break;
	}

	DrawBox(context, 'rgb(112, 35,35)', 0, 0, 640, 385);
	context.drawImage(cnvHazardsScroll[0], 0, _UpdateHazardsY, 640, 385, 0, 0, 640, 385);


};