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/*
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Author: Mike Adair mike.adairATccrs.nrcan.gc.ca
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License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
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$Id$
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*/
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// Ensure this object's dependancies are loaded.
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mapbuilder.loadScript(baseDir+"/widget/WidgetBaseXSL.js");
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mapbuilder.loadScript(baseDir+"/model/Proj.js");
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/**
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* Widget to display the AOI box coordinates in a form.
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*
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* @constructor
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* @base WidgetBaseXSL
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* @param widgetNode This widget's object node from the configuration document.
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* @param model The model that this widget is a view of.
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*/
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function ProcessArgumentsForm(widgetNode, model) {
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WidgetBaseXSL.apply(this, new Array(widgetNode, model));
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this.executeProcess = function(processName) {
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var webServiceUrl = this.argsForm.action
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if (this.argsForm.action.indexOf("?")<0) webServiceUrl += "?";
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var queryString = "";
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for (var i=0; i<this.argsForm.elements.length; ++i) {
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var element = this.argsForm.elements[i];
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if (element.name.indexOf("_dataSelector")>0) continue;
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queryString += element.name + "=" + encodeURIComponent(element.value) + "&";
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}
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if (this.targetModel.method == "get") {
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webServiceUrl += queryString;
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this.targetModel.postData = null;
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if (this.debug) alert(webServiceUrl);
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} else {
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this.targetModel.postData = queryString;
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if (this.debug) alert(webServiceUrl+" posting:"+queryString);
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}
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config.loadModel( this.targetModel.id, webServiceUrl);
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}
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/**
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* Initialize dynamic properties.
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* @param toolRef Pointer to this object.
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*/
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this.initMapModel = function(objRef) {
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//set the map model
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var mapModel = objRef.widgetNode.selectSingleNode("mb:mapModel");
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if (mapModel) {
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objRef.mapModel = eval("config.objects."+mapModel.firstChild.nodeValue);
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if ( !objRef.mapModel ) {
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alert("error finding mapModel:" + mapModel.firstChild.nodeValue + " for:" + objRef.id);
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}
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}
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objRef.stylesheet.setParameter("mapModelId", objRef.mapModel.id );
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}
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this.model.addListener("init", this.initMapModel, this);
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/**
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* Output the AOI coordinates to the associated form input elements. This
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* method is registered as an AOI listener on the context doc.
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* @param objRef Pointer to this argsForm object.
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*/
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this.displayAoiCoords = function(objRef) {
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objRef.argsForm = document.getElementById(objRef.formName);
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var aoi = objRef.mapModel.getParam("aoi");
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objRef.argsForm.westCoord.value = aoi[0][0];
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objRef.argsForm.northCoord.value = aoi[0][1];
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objRef.argsForm.eastCoord.value = aoi[1][0];
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objRef.argsForm.southCoord.value = aoi[1][1];
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}
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/**
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* Set the argument value as a param on the model
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* @param objRef Pointer to this argsForm object.
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*/
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this.setArgument = function(event) {
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this.model.setParam(this.name,this.value);
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}
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/**
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* Handles user input from the form element. This is an onblur handler for
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* the input elements.
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* @param objRef Pointer to this CurorTrack object.
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*/
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this.setAoi = function(event) {
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var aoi = this.mapModel.getParam("aoi");
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if (aoi) {
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var ul = aoi[0];
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var lr = aoi[1];
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switch(this.name) {
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case 'westCoord':
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ul[0] = this.value;
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break;
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case 'northCoord':
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ul[1] = this.value;
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break;
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case 'eastCoord':
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lr[0] = this.value;
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break;
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case 'southCoord':
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lr[1] = this.value;
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break;
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}
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this.mapModel.setParam("aoi",new Array(ul,lr) );
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}
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}
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/**
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* Refreshes the form onblur handlers when this widget is painted.
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* @param objRef Pointer to this argsForm object.
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*/
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this.prePaint = function(objRef) {
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var serviceUrl = objRef.model.parentModel.getServerUrl("wps:Execute", "get");
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if (serviceUrl) {
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objRef.stylesheet.setParameter("webServiceUrl",serviceUrl);
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objRef.stylesheet.setParameter("webServiceMethod","get");
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objRef.targetModel.method = "get";
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} else {
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serviceUrl = objRef.model.parentModel.getServerUrl("wps:Execute", "post");
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objRef.stylesheet.setParameter("webServiceUrl",serviceUrl);
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objRef.stylesheet.setParameter("webServiceMethod","post");
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objRef.targetModel.method = "post";
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}
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}
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/**
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* Refreshes the form onblur handlers when this widget is painted.
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* @param objRef Pointer to this argsForm object.
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*/
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this.postPaint = function(objRef) {
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objRef.argsForm = document.getElementById(objRef.formName);
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var argsArray = objRef.model.doc.selectNodes("/wps:ProcessDescription/wps:ProcessMember/wps:Process/wps:Input");
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var selectorIndex=0;
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for (var i=0; i<argsArray.length; ++i) {
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var input= argsArray[i];
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var argType = input.selectSingleNode("wps:Parameter/wps:Datatype/*").nodeName;
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var argName = input.selectSingleNode("wps:Parameter/wps:Name").firstChild.nodeValue;
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switch (argType) {
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case "Reference":
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case "wps:Reference":
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if (selectorIndex<2) {
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var selector = config.objects["dataSelector"+selectorIndex];
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++selectorIndex;
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selector.stylesheet.setParameter("selectName",objRef.id+"_"+argName+"_dataSelector");
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selector.node = document.getElementById(objRef.id+"_"+argName+"_dataSelectorWidget");
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selector.outputNodeId = objRef.id+"_"+argName+"_dataSelectorWidget_outputNode";
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selector.paint(selector);
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selector.targetInput = objRef.argsForm[argName];
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}
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objRef.argsForm[argName].model = objRef.model;
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objRef.argsForm[argName].onblur = objRef.setArgument;
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objRef.argsForm[argName].onchange = objRef.setArgument;
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if (objRef.model.getParam(argName)) objRef.argsForm[argName].value = objRef.model.getParam(argName);
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break;
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case "BoundingBox":
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case "wps:BoundingBox":
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objRef.argsForm.westCoord.onblur = objRef.setAoi;
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objRef.argsForm.northCoord.onblur = objRef.setAoi;
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objRef.argsForm.eastCoord.onblur = objRef.setAoi;
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objRef.argsForm.southCoord.onblur = objRef.setAoi;
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objRef.argsForm.westCoord.model = objRef.model;
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objRef.argsForm.northCoord.model = objRef.model;
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objRef.argsForm.eastCoord.model = objRef.model;
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objRef.argsForm.southCoord.model = objRef.model;
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if (objRef.mapModel) objRef.mapModel.addListener('aoi', objRef.displayAoiCoords, objRef);
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break;
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case "LiteralValue":
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case "wps:LiteralValue":
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objRef.argsForm[argName].model = objRef.model;
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objRef.argsForm[argName].onblur = objRef.setArgument;
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if (objRef.model.getParam(argName)) objRef.argsForm[argName].value = objRef.model.getParam(argName);
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break;
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case "ComplexValue":
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case "wps:ComplexValue":
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objRef.argsForm[argName].model = objRef.model;
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objRef.argsForm[argName].onblur = objRef.setArgument;
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if (objRef.model.getParam(argName)) objRef.argsForm[argName].value = objRef.model.getParam(argName);
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break;
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default:
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alert("invalid argument datatype:"+argType);
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break;
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}
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}
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}
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//set some properties for the form output
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this.formName = "ProcessArgsForm_";// + mbIds.getId();
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this.stylesheet.setParameter("formName", this.formName);
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}
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