//<script>
// aimsSelect.js

/*

*  JavaScript template file for ArcIMS HTML Viewer

*		dependent on aimsXML.js, ArcIMSparam.js, aimsCommon.js, aimsMap.js, aimsIdentify, and aimsLayers.js

*		To be interactive, dependent also on aimsDHTML.js, aimsClick.js, and aimsNavigation.js

*/



var aimsSelectPresent=true;



var selectData = new Array();

var selectLeft = new Array();

var selectRight = new Array();

var selectTop = new Array();

var selectBottom = new Array();

var selectLayer="";

var selectType = "";

var selectCount = 0;

var selectBlurb = "";

var selectEnvelope="";

var highlightedOne = "";

	//mode - 0=selection; 1=query

var queryMode=1;

	//mode - 1=query; 2=box,point; 3=line,polygon

var selectionMode=1;

var setQueryString="";





/*

***************************************************************************************



Selection functions 



***************************************************************************************

*/



// select feature

function select(e) {

	getImageXY(e);

	getMapXY(mouseX,mouseY);

	searchTolerance = (xDistance/iWidth) * pixelTolerance;

	var tempWest = mapX - searchTolerance;

	var tempNorth = mapY + searchTolerance;

	var tempEast = mapX + searchTolerance;

	var tempSouth = mapY - searchTolerance;

	queryStartRecord=0;

	selectEnvelope='maxy="' + tempNorth + '" maxx="' + tempEast + '" miny="' + tempSouth + '" minx="' + tempWest + '"';

	selectionMode=2;

	showRetrieveData();

	var theString = writeGetFeatures2(tempWest,tempSouth,tempEast,tempNorth);
	//alert(theString);

	sendToServer(imsQueryURL,theString,selectXMLMode);

}



// start select box display

function startSelectBox(e) {

	moveLayer("theMap",hspc,vspc);

	getImageXY(e);

	// keep it within the MapImage

	if ((mouseX<iWidth) && (mouseY<iHeight)) {

		if (selectBox) {

			stopSelectBox(e);

		} else {

			x1=mouseX;

			y1=mouseY

			x2=x1+1;

			y2=y1+1;

			zleft=x1;

			ztop=y1;

			zbottom=y1;

			zright=x1

			boxIt(x1,y1,x2,y2);

			/*

			clipLayer("zoomBoxTop",x1,y1,x2,y2);

			clipLayer("zoomBoxLeft",x1,y1,x2,y2);

			clipLayer("zoomBoxRight",x1,y1,x2,y2);

			clipLayer("zoomBoxBottom",x1,y1,x2,y2);

			*/

			selectBox=true;

			showLayer("zoomBoxTop");

			showLayer("zoomBoxLeft");

			showLayer("zoomBoxRight");

			showLayer("zoomBoxBottom");

		}

		highlightedOne="";

	}
	return false;



}



// stop select box display..... select

function stopSelectBox(e) {

	selectBox=false;

	var tempLeft=lastLeft;

	var tempRight=lastRight;

	var tempTop=lastTop;

	var tempBottom=lastBottom;

	// /*

	if ((zright <zleft+2) && (zbottom < ztop+2)) {

	

		getMapXY(mouseX-pixelTolerance,mouseY-pixelTolerance);

		tempLeft = mapX;

		tempTop = mapY;

		getMapXY(mouseX+pixelTolerance,mouseY+pixelTolerance);

		tempRight = mapX;

		tempBottom = mapY;

		

		//select(e);

	} else {

	// */	

		pixelX = xDistance / iWidth;

		var theY = iHeight - ztop;

		pixelY = yDistance / iHeight;

		tempTop = pixelY * theY + bottom;

		tempRight = pixelX * zright + left;

		tempLeft = pixelX * zleft + left;

		theY = iHeight - zbottom;

		pixelY = yDistance / iHeight;

		tempBottom = pixelY * theY + bottom;

	}

		window.scrollTo(0,0);

	

	queryStartRecord=0;

	var theString = writeGetFeatures2(tempLeft,tempBottom,tempRight,tempTop);

	selectEnvelope='maxy="' + tempTop + '" maxx="' + tempRight + '" miny="' + tempBottom + '" minx="' + tempLeft + '"';

	drawSelectBoundary=true;

	showBuffer=false;

	selectionMode=2;

		hideLayer("zoomBoxTop");

		hideLayer("zoomBoxLeft");

		hideLayer("zoomBoxRight");

		hideLayer("zoomBoxBottom");

	sendToServer(imsQueryURL,theString,selectXMLMode);

	return true;



}



// write out XML request to select features

function writeGetFeatures2(west1,south1,east1,north1) {

	if (swapSelectFields) {

		selectFields=parent.selFieldList[ActiveLayerIndex];

		//alert(selectFields);

	}

	var theEnvelope = 'maxy="' + north1 + '" maxx="' + east1 + '" miny="' + south1 + '" minx="' + west1 + '"';

	var theString = writeEnvelopeXML(ActiveLayer,ActiveLayerType,selectFields,maxFeaturesReturned,queryStartRecord,theEnvelope,useLimitExtent);

	//alert(theString);

	selectLayer=ActiveLayer;

	selectType=ActiveLayerType;

	selectCount=0;

	hightlightedOne="";

	selectPoints.length=1;

	selectLeft.length=1;

	selectRight.length=1;

	selectTop.length=1;

	selectBottom.length=1;

//alert(theString);

	return theString;

}



function writeGetFeatures3() {

	if (swapSelectFields) {

		selectFields=parent.selFieldList[ActiveLayerIndex];

	}

	var theString = writeEnvelopeXML(ActiveLayer,ActiveLayerType,selectFields,maxFeaturesReturned,queryStartRecord,selectEnvelope,useLimitExtent);

    //alert("writeEnvelopeXML :" + theString);

	selectLayer=ActiveLayer;

	selectType=ActiveLayerType;

	selectCount=0;

	hightlightedOne="";

	selectPoints.length=1;

	selectLeft.length=1;

	selectRight.length=1;

	selectTop.length=1;

	selectBottom.length=1;

	return theString;

}



// generic envelope select xml write routine

function writeEnvelopeXML(theLayer,theLayerType,theFields,maxReturned,startRec,theEnvelope,hasLimit) {

	var theString = '<ARCXML VERSION="1.0.1">\n<REQUEST>\n<GET_FEATURES outputmode="xml" envelope="true" geometry="false"';
	theString += ' compact="true" featurelimit="' + maxReturned + '" beginrecord="' + startRec + '">\n';

	theString += '<LAYER id="' + theLayer + '" />';

		// XXX change here for identify date filtering
	var addString = ""
	if (theLayer == 280)
	{
		addString += parent.MapFrame.theSpatialQueryString;
	}					

	theString += '<SPATIALQUERY subfields="' + theFields + '" '+addString+'>';

	theString += '<SPATIALFILTER relation="area_intersection" >';

	theString += '<ENVELOPE ' + theEnvelope + ' />';

	theString += '</SPATIALFILTER>';

	if (hasLimit) {

		// keep this within the limitExtent

		theString += '<SPATIALFILTER relation="area_intersection">\n';

		theString += '<ENVELOPE maxx="' + limitRight + '" maxy="' + limitTop + '" minx="' + limitLeft + '" miny="' + limitBottom + '" />\n';

		theString += '</SPATIALFILTER>\n';

	}

	theString += '</SPATIALQUERY>';

	theString += '</GET_FEATURES>';

	theString += '</REQUEST>';

	theString += '</ARCXML>';

//alert(theString);

	return theString;



}



// write out xml request for selection by shape

function writeShapeSelect(theType) {

	if (swapSelectFields) {

		selectFields=parent.selFieldList[ActiveLayerIndex];

	}

	var addString = ""
	if (ActiveLayer == 280)
	{
		addString += parent.MapFrame.theSpatialQueryString;
	}					

	var theString = '<ARCXML VERSION="1.0.1">\n<REQUEST>\n<GET_FEATURES outputmode="xml" envelope="true" geometry="false"';

	theString += ' compact="true" featurelimit="' + maxFeaturesReturned + '" beginrecord="' + queryStartRecord + '">\n';

	theString += '<LAYER id="' + ActiveLayer + '" />';

	theString += '<SPATIALQUERY subfields="' + selectFields + '" '+addString+'>';

	theString += '<SPATIALFILTER relation="area_intersection" >';

	if (theType==1) {

		theString += '<POLYLINE>\n<PATH>\n';

	} else {

		theString += '<POLYGON>\n<RING>\n';

	}

	for (var i=0;i<clickCount;i++) {

		theString += '<POINT x="' + clickPointX[i] + '" y="' + clickPointY[i] + '" />\n'; 

	}

	if (theType==2) {

		theString += '</RING>\n</POLYGON>\n';

	} else {

		theString += '</PATH>\n</POLYLINE>\n';

	}

	theString += '</SPATIALFILTER>';

	if (useLimitExtent) {

		// keep this within the limitExtent

		theString += '<SPATIALFILTER relation="area_intersection">\n';

		theString += '<ENVELOPE maxx="' + limitRight + '" maxy="' + limitTop + '" minx="' + limitLeft + '" miny="' + limitBottom + '" />\n';

		theString += '</SPATIALFILTER>\n';

	}

	theString += '</SPATIALQUERY>';

	theString += '</GET_FEATURES>';

	theString += '</REQUEST>';

	theString += '</ARCXML>';

	//alert(theString);

	selectLayer=ActiveLayer;

	selectType=ActiveLayerType;

	selectCount=0;

	hightlightedOne="";

	selectPoints.length=1;

	selectLeft.length=1;

	selectRight.length=1;

	selectTop.length=1;

	selectBottom.length=1;

	return theString;

	

}



// request a selection using a shape

function sendShapeSelect(theType) {

	queryStartRecord=0;

	selectionMode=3;

	showBuffer=false;

	if (theType==2) {

		if ((clickPointX[0]!=clickPointX[clickCount-1]) && (clickPointY[0]!=clickPointY[clickCount-1])) {

			clickPointX[clickCount]=clickPointX[0];

			clickPointY[clickCount]=clickPointY[0];

			clickCount=clickCount+1;

		}

	}

	showRetrieveData();

	var theString = writeShapeSelect(theType);

	sendToServer(imsQueryURL,theString,selectXMLMode);

}



// request more records to display

function getMoreData(startRecord) {

	var theString = "";

	queryStartRecord = startRecord;

	if (selectionMode==1) {

		//query

		theString = writeQueryXML(setQueryString);

	} else if (selectionMode==2) {

		theString = writeGetFeatures3();

	} else {

		var theType = clickType-1;

		theString = writeShapeSelect(theType);

	}

	showRetrieveData();

	sendToServer(imsQueryURL,theString,selectXMLMode);

}



// refresh map with hightlighted selection

function showHighlight(selNum) {

		highlightedOne = LayerIDField[ActiveLayerIndex] + " = " + selectPoints[selNum];

		//alert(selectLeft[selNum] + "," + selectRight[selNum]);
		//alert(highlightedOne);

		var fWidth = selectRight[selNum] - selectLeft[selNum];

		var fHeight = selectTop[selNum] - selectBottom[selNum];

		var mWMargin = 0;

		var mHMargin = 0;

		if (selectType=="point") {			

			mWMargin = fullWidth * selectPointMargin;

			mHMargin = fullHeight * selectPointMargin;

			if (mWMargin > xDistance/2) {

				mWMargin = xDistance/2;

				mHMargin = yDistance/2;

			}

		} else {

			mWMargin = fWidth * selectMargin;

			mHMargin = fHeight * selectMargin; 

		}

		saveLastExtent();

		left = selectLeft[selNum] - mWMargin;

		right = selectRight[selNum] + mWMargin;

		top = selectTop[selNum] + mHMargin;

		bottom = selectBottom[selNum] - mHMargin;

		//alert(highlightedOne);

			legendTemp=legendVisible;

			legendVisible=false;

			sendMapXML();

			

}





// clear current selection

function clearSelection() {

	var theCount = selectCount;

	var theHL = highlightedOne;

	selectCount=0;

	showBuffer=false;

	highlightedOne="";

	selectPoints.length=1;

	selectLeft.length=1;

	selectRight.length=1;

	selectTop.length=1;

	selectBottom.length=1;

	drawSelectBoundary=false;

	if (useTextFrame) {

		parent.TextFrame.document.open();

		parent.TextFrame.document.writeln('<html>');

		parent.TextFrame.document.writeln('<body bgcolor="White" text="Black" link="Blue" vlink="Blue">');

		parent.TextFrame.document.writeln('<FONT FACE="Arial" SIZE="-1"><b>' + LayerName[ActiveLayerIndex] + '</b><br>');

		if (toolMode==20) {

			parent.TextFrame.document.writeln('Measure Totals cleared');

			updateMeasureBox()

			}

		else 

			parent.TextFrame.document.writeln('Selection cleared');

		parent.TextFrame.document.writeln('</body></html>');

		parent.TextFrame.document.close()

	} else {

		if (toolMode==20) {

			showLayer("measureBox");

			updateMeasureBox()

			alert("Measure Totals Cleared");

		} else {

			alert("Selection Cleared");

		}

	}



	

	showGeocode=false;

	clickCount=0;

	totalMeasure=0;

	currentMeasure=0;

	//if ((theCount>0) || (theHL!="")) {

			legendTemp=legendVisible;

			legendVisible=false;

			selectBlurb="";

			showLayer("LoadMap");

			var theString = writeXML();

			sendToServer(imsURL,theString,99);

	//}



}



// add Draw Selected Features to Map XML request

function addSelectToMap(){

	var selString = "";

	if ((selectCount>0) && (showSelectedFeatures)) {
		selString +='<LAYER type="FeatureClass" name="Selected_Features" visible="true">\n';
		selString +='<DATASET fromlayer="' + ActiveLayer + '" />\n';
		//selString +='<DATASET fromlayer="' + LayerName[ActiveLayerIndex] + '" />\n';
		//alert(selString);
		if (selectionMode==1) {
			selString +='<SPATIALQUERY  where="' + setQueryString + '"';
			if (useLimitExtent) {
				// keep this within the limitExtent
				selString +='>\n<SPATIALFILTER relation="area_intersection">\n';
				selString +='<ENVELOPE maxx="' + limitRight + '" maxy="' + limitTop + '" minx="' + limitLeft + '" miny="' + limitBottom + '" />\n';
				selString +='</SPATIALFILTER>\n';
				selString +='</SPATIALQUERY>\n';
			} else {
			selString +='/>\n';
			}
		} else {

				var addString = ""
				if (ActiveLayer == 280)
				{
					addString += parent.MapFrame.theSpatialQueryString;
				}					

				selString +='<SPATIALQUERY '+addString+'>\n';
				selString += '<SPATIALFILTER relation="area_intersection" >';

			if (selectionMode==2) {
				selString +='<ENVELOPE ' + selectEnvelope + ' />\n';
			} else {
				if (clickType==2) {
					selString +='<POLYLINE>\n<PATH>\n';
				} else if (clickType==3) {
					selString +='<POLYGON>\n<RING>\n';
				} else {
					selString +='<MULTIPOINT>\n';
				}
				for (var i=0;i<clickCount;i++) {
					selString +='<POINT x="' + clickPointX[i] + '" y="' + clickPointY[i] + '" />\n'; 
				}
				if (clickType==3) {
					//selString +='<POINT x="' + clickPointX[0] + '" y="' + clickPointY[0] + '" />\n';
					selString +='</RING>\n</POLYGON>\n';
				} else if (clickType==2) {

					selString +='</PATH>\n</POLYLINE>\n';

				} else {

					selString +='</MULTIPOINT>\n';

				}

			}

			selString +='</SPATIALFILTER>\n';

			///*

			if (useLimitExtent) {

				// keep this within the limitExtent

				selString +='<SPATIALFILTER relation="area_intersection">\n';

				selString +='<ENVELOPE maxx="' + limitRight + '" maxy="' + limitTop + '" minx="' + limitLeft + '" miny="' + limitBottom + '" />\n';

				selString +='</SPATIALFILTER>\n';

			} 

			//*/

			selString +='</SPATIALQUERY>\n';

		}

		selString +='<SIMPLERENDERER>\n';

	

		if (selectType=="point") {

			selString +='<SIMPLEMARKERSYMBOL color="' + selectColor + '" type="Circle" width="10" />\n';

		} else if (selectType=="line") {

			selString +='<SIMPLELINESYMBOL type="SOLID" color="' + selectColor + '" width="3" />\n';

		} else {

			//selString +='<SIMPLEPOLYGONSYMBOL FILLCOLOR="' + selectColor + '" FILLTYPE="Gray" ';

			selString +='<SIMPLEPOLYGONSYMBOL fillcolor="' + selectColor + '" filltype="solid" transparency="' + transparentLevel + '" boundarycolor="255,255,255" />\n';

		}

		selString +='</SIMPLERENDERER>\n';

		selString +='</LAYER>\n';
	//alert("Select String :" + selString);

		



	}

	

	

	if (selectBlurb!="") {

		// add SelectBlurb to Map XML request

		selString +='<LAYER type="FeatureClass" name="Selected_Features" visible="true">\n';

		selString +='<DATASET fromlayer="' + ActiveLayer + '" />\n';

		//selString +='<DATASET fromlayer="' + LayerName[ActiveLayerIndex] + '" />\n';

		selString +='<QUERY where="' + selectBlurb + '" />\n';

		selString +='<SIMPLERENDERER>\n';

	

		if (selectType=="point") {

			selString +='<SIMPLEMARKERSYMBOL color="' + selectColor + '" type="Circle" width="10" />\n';

		} else if (selectType=="line") {

			selString +='<SIMPLELINESYMBOL type="SOLID" color="' + selectColor + '" width="3" />\n';

		} else {

			selString +='<SIMPLEPOLYGONSYMBOL fillcolor="' + selectColor + '" filltype="solid" transparency="' + transparentLevel + '" boundarycolor="255,255,255" />\n';

			}

		selString +='</SIMPLERENDERER>\n';

		selString +='</LAYER>\n';

	

	}

	

	if (highlightedOne!="") {

		// add Draw Highlighed Feature to Map XML request

		selString +='<LAYER type="FeatureClass" name="Highlighted_Feature" visible="true">\n';

		selString +='<DATASET fromlayer="' + ActiveLayer + '" />\n';

		//selString +='<DATASET fromlayer="' + LayerName[ActiveLayerIndex] + '" />\n';

		selString +='<QUERY where="' + highlightedOne + '" />\n';

		selString +='<SIMPLERENDERER>\n';

	

		if (selectType=="point") {

			selString +='<SIMPLEMARKERSYMBOL color="' + highlightColor + '" type="Circle" width="10" />\n';

		} else if (selectType=="line") {

			selString +='<SIMPLELINESYMBOL type="SOLID" color="' + highlightColor + '" width="3" />\n';

		} else {

			//selString +='<SIMPLEPOLYGONSYMBOL FILLCOLOR="' + highlightColor + '" FILLTYPE="Gray" ';

			selString +='<SIMPLEPOLYGONSYMBOL fillcolor="' + highlightColor + '" filltype="solid" transparency="' + transparentLevel + '" boundarycolor="255,255,255" />\n';

		}

		selString +='</SIMPLERENDERER>\n';

		selString +='</LAYER>\n';

		//alert(selString);

	}	

	
//alert(selString);
	return selString;

}