sldwizard.jsp

联合国农粮署牵头开发的geonetwork源代码最新版

	textFill = createFill(labelColor, 1.0);

	if (propertyName != null && propertyName != "none")
		SLDr += createTextSymbolizer(propertyName, textFont, halo, textFill);

	return SLDr;
}

function generatePolygonSLD()
{
	propertyName = document.getElementById('propertyName').value;
	labelColor = document.getElementById('labelColor').value;
	fillColor = document.getElementById('fillColor').value;
	fillOpacity = document.getElementById('fillOpacity').value;
	lineColor = document.getElementById('lineColor').value;
	lineOpacity = document.getElementById('lineOpacity').value;
	
	if (labelColor.length == 6)
		labelColor = '#'+labelColor;
	if (fillColor.length == 6)
		fillColor = '#'+fillColor;
	if (lineColor.length == 6)
		lineColor = '#'+lineColor;
	
	var halo;

	// check values to make sure they are in range and valid
	if (propertyName != "none" && (labelColor == null || labelColor == "") )
		return "ERROR: label name specified, but no text color specified.";
	if (labelColor == null || labelColor == "")
		return "ERROR: Label color cannot be empty";
	if (labelColor.length != 7)
		return "ERROR: Label color must be 7 characters long in hexadecimal (#00ff23).";
	if (fillColor == null || fillColor == "")
		return "ERROR: Polygon fill color cannot be empty";
	if (fillColor.length != 7)
		return "ERROR: Polygon fill color must be 7 characters long in hexadecimal (#00ff23).";
	if (fillOpacity == null || fillOpacity == "")
		return "ERROR: Polygon color opacity cannot be empty";
	if (fillOpacity < 0.0 || fillOpacity > 1.0)
		return "ERROR: Polygon fill opacity must be between 0.0 and 1.0";
	if (lineColor == null || lineColor == "")
		return "ERROR: Polygon outline color cannot be empty";
	if (lineColor.length != 7)
		return "ERROR: Polygon outline color must be 7 characters long in hexadecimal (#00ff23).";
	if (lineOpacity == null || lineOpacity == "")
		return "ERROR: Polygon outline opacity cannot be empty";
	if (lineOpacity < 0.0 || lineOpacity > 1.0)
		return "ERROR: Polygon outline opacity must be between 0.0 and 1.0";

	// create fill
	polygonFill = createFill(fillColor, fillOpacity);

	// create stroke
	stroke = createStroke(lineColor, lineOpacity);

	XMLr = createSLDPolygonSymbolizer(polygonFill, stroke);

	textFill = createFill(labelColor, 1.0);

	textFont = createFont("Times New Roman", "Normal", 12);

	if (propertyName != null && propertyName != "none")
		XMLr += createTextSymbolizer(propertyName, textFont, halo, textFill);

	return XMLr;
}

/**
 * Perform the putStyles request
 */
function saveStyle(SLD)
{
	log("Saving style");
	//kill any current requests!
	if (geo_xmlhttp !=null)
	{
		geo_xmlhttp.abort();
		geo_xmlhttp = null;
	}

	// build XML POST query
	URL  = "/geoserver/wms?request=putstyles";//"http://"+SERVERHOSTNAME+"/

	getXML(URL,SLD,XMLProgressFunction);
	
}

function createSLDHeader(featureType)
{
	log("Making sld for: "+featureType);
	XML  = '<?xml version="1.0" encoding="UTF-8"?>'+"\n";
	XML += '<StyledLayerDescriptor version="1.0.0"'+"\n";
	XML += '	xmlns:gml="http://www.opengis.net/gml"'+"\n";
	XML += '	xmlns:ogc="http://www.opengis.net/ogc"'+"\n";
	XML += '	xmlns="http://www.opengis.net/sld">'+"\n";
	XML += '	<NamedLayer>'+"\n";
	XML += '		<Name>'+featureType+'</Name>'+"\n";
	XML += '		<UserStyle>'+"\n";
	XML += '			<Name>'+featureType+'_style</Name>'+"\n";
	XML += '			<Title>geoserver style</Title>'+"\n";
	XML += '			<Abstract>Generated by GeoServer</Abstract>'+"\n";
	XML += '			<FeatureTypeStyle>'+"\n";
	XML += '			<Rule>'+"\n";
	//log(XML);
	return XML;
}


function createSLDFooter()
{
	XML   = '			</Rule>'+"\n";
	XML  += '			</FeatureTypeStyle>'+"\n";
	XML  += '		</UserStyle>'+"\n";
	XML  += '	</NamedLayer>'+"\n";
	XML  += '</StyledLayerDescriptor>';

	return XML;
}

function createSLDPointSymbolizer(graphic)
{
	XML  = '				<PointSymbolizer>'+"\n";
	XML += '					'+graphic+"\n";
	XML += '				</PointSymbolizer>'+"\n";

	return XML;

}

function createSLDLineSymbolizer(stroke)
{
	XML  = '				<LineSymbolizer>'+"\n";
	XML += stroke;
	XML += '				</LineSymbolizer>'+"\n";

	return XML;
}

function createSLDPolygonSymbolizer(fill, stroke)
{
	XML  = '				<PolygonSymbolizer>'+"\n";
	XML += fill;
	XML += stroke;
	XML += '				</PolygonSymbolizer>'+"\n";

	return XML;
}

function createFill(color, opacity)
{
	// add # to front of 'color'
	if(color.charAt(0) != "#")
		color = "#"+color;

	XML  = '					<Fill>'+"\n";
	XML += '						<CssParameter name="fill">'+color+'</CssParameter>'+"\n";
	XML += '						<CssParameter name="fill-opacity">'+opacity+'</CssParameter>'+"\n";
	XML += '					</Fill>'+"\n";

	return XML;
}

function createStroke(color, opacity, width, linecap, linejoin, dasharray)
{
	// add # to front of 'color'
	if(color.charAt(0) != "#")
		color = "#"+color;

	XML  = '					<Stroke>'+"\n";
	if(color)	XML += '						<CssParameter name="stroke">'+color+'</CssParameter>'+"\n";
	if(opacity)	XML += '						<CssParameter name="stroke-opacity">'+opacity+'</CssParameter>'+"\n";
	if(width)	XML += '						<CssParameter name="stroke-width">'+width+'</CssParameter>'+"\n";
	if(linecap)	XML += '						<CssParameter name="stroke-linecap">'+linecap+'</CssParameter>'+"\n";
	if(linejoin)XML += '						<CssParameter name="stroke-linejoin">'+linejoin+'</CssParameter>'+"\n";
	if(dasharray)XML += '						<CssParameter name="stroke-dasharray">'+dasharray+'</CssParameter>'+"\n";
	XML += '					</Stroke>'+"\n";

	return XML;
}

// a note to figure out all possible line caps
function getLineCaps()
{

}

// a note to figure out all possible line joins
function getLineJoins()
{

}

function createGraphic(shape, fill, stroke, size, opacity)
{
	XML = '<Graphic>'+"\n";
	XML += '	<Mark>'+"\n";
	XML += '		<WellKnownName>'+shape+'</WellKnownName>'+"\n";
	XML += fill;
	if(stroke) XML += stroke;
	XML += '	</Mark>'+"\n";
	XML += '	<Opacity>'+opacity+'</Opacity>'+"\n";
	XML += '	<Size>'+size+'</Size>'+"\n";
	XML += '</Graphic>'+"\n";

	return XML;
}


function createTextSymbolizer(columnName, font, halo, fill)
{
	XML  = '				<TextSymbolizer>'+"\n";
	XML += '					<Label>'+"\n";
	XML += '						<ogc:PropertyName>'+columnName+'</ogc:PropertyName>'+"\n";
	XML += '					</Label>'+"\n";
	if(font) XML += font;
	if(halo) XML += halo;
	if(fill) XML += fill;
	XML += '				</TextSymbolizer>'+"\n";


	return XML;
}

function createFont(name, style, size, weight)
{
	XML  = '						<Font>'+"\n";
	XML += '							<CssParameter name="font-family">'+name+'</CssParameter>'+"\n";
	XML += '							<CssParameter name="font-style">'+style+'</CssParameter>'+"\n";
	XML += '							<CssParameter name="font-size">'+size+'</CssParameter>'+"\n";
	if (weight)XML += '							<CssParameter name="font-weight">'+weight+'</CssParameter>'+"\n";
	XML += '						</Font>'+"\n";

	return XML;
}

function createHalo(radius, fill)
{
	XML  = '						<Halo>'+"\n";
	XML += '							<Radius>'+"\n";
	XML += '								<ogc:Literal>'+radius+'</ogc:Literal>'+"\n";
	XML += '							</Radius>'+"\n";
	XML += fill;
	XML += '						</Halo>'+"\n";

	return XML;
}


function createMinScaleDenominator(scale)
{
	XML = '<MinScaleDenominator>'+scale+'</MinScaleDenominator>'+"\n";

	return XML;
}

function createMaxScaleDenominator(scale)
{
	XML = '<MaxScaleDenominator>'+scale+'</MaxScaleDenominator>'+"\n";

	return XML;
}


/**
 * Send the XML request to GeoServer. Hands off control to procfunction method passed in.
 */
function getXML(url,post,procfunction)
{
	try {

		if (window.ActiveXObject)
		{
			// IE
			log("getXML through IE");
			geo_xmlhttp =  new ActiveXObject("Microsoft.XMLHTTP");
			geo_xmlhttp.onreadystatechange = procfunction;
			geo_xmlhttp.open("POST", url, true);
			geo_xmlhttp.setRequestHeader('Content-Type', 'text/xml');  //correct request type
			geo_xmlhttp.setRequestHeader('Cache-Control', 'no-cache');	// don't cache the requests!!!
			//geo_xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			geo_xmlhttp.send(post);
		}
		else if (window.XMLHttpRequest)
		{
			
			// Mozilla and others
			//log("getXML through Mozilla etc.");
			geo_xmlhttp =  new XMLHttpRequest();
			//geo_xmlhttp.overrideMimeType('text/xml');	// <- bad? caused some serious problems at one point
			geo_xmlhttp.onreadystatechange = procfunction;
			geo_xmlhttp.open("POST", url, true);
			geo_xmlhttp.setRequestHeader('Content-Type', 'text/xml');	//correct request type
			geo_xmlhttp.setRequestHeader('Cache-Control', 'no-cache');	// don't cache the requests!!!
			geo_xmlhttp.send(post);
		}
		else
			log("Invalid browser format: not expecting this kind of browser.");
	 }
	 catch(e)
	 {
		alert(e);
		alert("If you just got a security exception, its because you need to serve the .html file from the same server as where you're sending the XML requests to!");
	 }
}



/**
 * Waits for requests and handles them.
 */
function XMLProgressFunction()
{
	if (geo_xmlhttp != null)
	{	// add 'working' animation
		hideSuccessMessage();
	}

	if ( (geo_xmlhttp.readyState == 4) && (geo_xmlhttp.status == 200) )
	{
		log("XML reponse received");
		//we got a good response.  We need to process it!
		if (geo_xmlhttp.responseXML == null)
		{
			log("XMLProgressFunction(): abort 1");
			//document.getElementById('working_anim_gnis_span').innerHTML = '';	// remove 'working' animation
			return;
		}

		log("response:\n"+geo_xmlhttp.responseText);

		// ug, temporary hack just so I can get it working
		if (window.ActiveXObject)
		{
			val = geo_xmlhttp.responseText.indexOf("success");

			if (val > -1)
			{
				enableSuccessMessage();
				log("PutStyles successful");
			}
		}
		else
		{
			success_node = getElements(geo_xmlhttp.responseXML,"sld","success")[0];
			if (success_node != null)
			{
				enableSuccessMessage();
				log("PutStyles successful");
			}
		}
	}
	else
		log("waiting for response...");
}