--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv/src/main/webapp/scripts/olutils.js	Tue Jun 01 17:40:54 2010 +0000
@@ -0,0 +1,191 @@
+function handleMeasurements(event) {
+    var geometry = event.geometry;
+    var units    = event.units;
+    var order    = event.order;
+    var measure  = event.measure;
+    var element  = document.getElementById('measurements');
+    
+    var out = "";
+    if(order == 1) {
+        out += "L\u00e4nge: " + measure.toFixed(3) + " " + units;
+    } else {
+        out += "Fl\u00e4che: " + measure.toFixed(3) + " " + units + "<sup>2</sup>";
+    }
+
+    element.innerHTML=out;
+};
+
+
+
+function readWMC(merge) {
+    var layers = mapPanel.layers;
+    map    = mapPanel.map;
+
+    var format = new OpenLayers.Format.WMC({'layerOptions': {buffer: 0}});
+    var text = document.getElementById("wmc").value;
+
+    merge = true;
+    if(merge) {
+        try {
+            map = format.read(text, {map: map});
+        } catch(err) {
+            document.getElementById("wmc").value = err;
+        }
+    } else {
+        map.destroy();
+        try {
+            var jsonFormat = new OpenLayers.Format.JSON();
+            var mapOptions = jsonFormat.read();
+            map = format.read(text, {map: mapOptions});
+        } catch(err) {
+            document.getElementById("wmc").value = err;
+        }
+    }
+
+    // create MapPanel
+    mapPanel = new GeoExt.MapPanel({
+        border: true,
+        title: "Karte",
+        region: "center",
+        map: map,
+        zoom: 1,
+        layers: map.layers
+    });
+}
+
+
+function writeWMC(merge) {
+    var format = new OpenLayers.Format.WMC({'layerOptions': {buffer: 0}});
+
+    try {
+        var text = format.write(map);
+        document.getElementById("wmc").value = text;
+    } catch(err) {
+        document.getElementById("wmc").value = err;
+    }
+}
+
+
+
+function toggleGetFeatureInfo(evt) {
+    if (infoActive) {
+        infoControls.click.deactivate();
+        infoActive = false;
+    }
+    else {
+        infoControls.click.activate();
+        infoActive = true;
+    }
+}
+
+
+function showInfo(evt) {
+}
+
+
+function addLayer() {
+    var record = grid.getSelectionModel().getSelected();
+    
+    if (record) {
+        var copy = record.copy();
+        copy.set("layer", record.get("layer"));
+        copy.get("layer").mergeNewParams({
+            format: "image/png",
+            transparent: true
+        });
+
+        mapPanel.layers.add(copy);
+        mapPanel.map.zoomToExtent(OpenLayers.Bounds.fromArray(copy.get("llbbox")));
+    }
+}
+
+
+// this is just copied from OpenLayers.Util
+function urlAppend(url, paramStr) {
+    var newUrl = url;
+    if(paramStr) {
+        var parts = (url + " ").split(/[?&]/);
+        newUrl += (parts.pop() === " " ?
+            paramStr :
+            parts.length ? "&" + paramStr : "?" + paramStr);
+    }
+    return newUrl;
+}
+
+
+function updateCapabilities() {
+    var ele = Ext.Element.get('capfield');
+
+    var url     = ele.getValue();
+    var service = "SERVICE=WMS";
+    var request = "REQUEST=GetCapabilities";
+    url = urlAppend(url, service);
+    url = urlAppend(url, request);
+
+    store = new GeoExt.data.WMSCapabilitiesStore({
+        url: url
+    });
+    store.load();
+
+    grid.destroy();
+    grid = new Ext.grid.GridPanel({
+        id: 'wmsgrid',
+        collapsible: false,
+        split: false,
+        border: true,
+        height: 440,
+        //autoHeight: true, don't use autoHeight, because the component doesn't
+        //take care on  the 'addLayer' button at the bottom
+        store: store,
+        cm: new Ext.grid.ColumnModel([
+        {
+            header: 'Name',
+            dataIndex: 'name',
+            sortable: true
+        },
+        {
+            id: 'title',
+            header: 'Title',
+            dataIndex: 'title',
+            sortable: true
+        }]),
+        renderTo: 'capgrid',
+        bbar: [{
+            text: 'Add Layer',
+            handler: addLayer
+        }]
+    });
+}
+
+
+function editFeature(e) {
+    var feature = e.feature;
+
+    // TODO SET FEATURE ATTRIBUTES
+    //feature.attributes['lawa'] = 999;
+    //feature.attributes['lawa_id'] = 999;
+    //feature.attributes['w_gwk_lawa'] = 999;
+    //feature.attributes['w_wrrl'] = 999;
+    //feature.attributes['length_fee'] = 999;
+}
+
+function updateControls() {
+    var controls = panel.controls;
+
+    controls.remove(drawPointControl);
+    controls.remove(drawPathControl);
+    controls.remove(drawPolygonControl);
+
+    panel.destroy();
+    panel = new OpenLayers.Control.Panel();
+    panel.addControls(controls);
+
+    if (points.getVisibility())
+        panel.addControls(drawPointControl);
+    if (lines.getVisibility())
+        panel.addControls(drawPathControl);
+    if (polygons.getVisibility())
+        panel.addControls(drawPolygonControl);
+
+    map.addControl(panel);
+}