1 files changed, 146 insertions, 0 deletions
diff --git a/chimere/static/edit_map.js b/chimere/static/edit_map.js
new file mode 100644
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+++ b/chimere/static/edit_map.js
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+/* Copyright (C) 2008  Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+See the file COPYING for details.
+*/
+
+/* map edit */
+
+var map;
+
+/* availaible map layers */
+var layerMarkers = new OpenLayers.Layer.Markers('POIs');
+
+/* default size and offset for icon */
+var size = new OpenLayers.Size(21, 25);
+var offset = new OpenLayers.Pixel(-(size.w/2), -size.h);
+var icon = new OpenLayers.Icon('http://www.openlayers.org/dev/img/marker.png', size, offset);
+
+/* set a marker with a click on the map */
+var setMarker = function (event){
+    event = event || window.event;
+    var lonlat = layerMarkers.getLonLatFromViewPortPx(event.xy);
+    putMarker(lonlat, false);
+    OpenLayers.Event.stop(event);
+}
+
+/* put the marker on the map and update latitude and longitude fields */
+var putMarker = function (lonlat, zoom){
+    if (marker) {
+        layerMarkers.removeMarker(marker);
+    }
+    var marker = new OpenLayers.Marker(lonlat.clone(), icon);
+    layerMarkers.addMarker(marker);
+    lonlat = lonlat.clone().transform(map.getProjectionObject(),
+                                      epsg_display_projection);
+    document.getElementById('id_point').value = 'POINT(' + lonlat.lon +
+                                                ' ' + lonlat.lat + ')';
+    document.getElementById('live_latitude').value = lonlat.lon;
+    document.getElementById('live_longitude').value = lonlat.lat;
+    /*zoom to the point*/
+    if (zoom){
+        var bounds = layerMarkers.getDataExtent();
+        if (bounds) map.zoomToExtent(bounds);
+    }
+    return;
+}
+
+/* main initialisation function */
+function init(){
+    var options = {
+        controls:[new OpenLayers.Control.Navigation(),
+                    new OpenLayers.Control.PanPanel(),
+                    new OpenLayers.Control.ZoomPanel(),
+                    new OpenLayers.Control.Attribution()],
+        maxResolution: 156543.0399,
+        units: 'm',
+        projection: epsg_projection,
+        displayProjection: epsg_display_projection
+    };
+    if (restricted_extent){options['restrictedExtent'] = restricted_extent;}
+    map = new OpenLayers.Map ('map_edit', options);
+    layerMarkers.setOpacity(0.5);
+    map.addLayers([map_layer, layerMarkers]);
+    map.events.register('click', map, setMarker);
+    /* zoom to the appropriate extent */
+    if (!zoomToCurrentExtent(map)){
+        map.setCenter(centerLonLat, 12);
+    }
+}
+
+
+/* code for drag'n drop : delayed for further version of openlayers */
+
+/*
+function init_b(){
+    init();
+
+    marker.events.register('mouseup', marker, releaseMarker);
+    marker.events.register('mousedown', marker, catchMarker);
+    marker.events.register('mouseover', marker, markerOver);
+    marker.events.register('mouseout', marker, markerOut);
+
+    map.events.register('mousemove', map, onMouseMove);
+    map.events.register('moveend', map, onMoveEnd);
+}
+
+var marker_catched = false;
+
+function catchMarker(event){
+    marker_catched = true;
+    event = event || window.event;
+    OpenLayers.Event.stop(event);
+}
+
+function releaseMarker(event){
+    event = event || window.event;
+    if(marker_catched) {
+        marker_catched = false;
+        lonlat = layerMarkers.getLonLatFromViewPortPx(marker.icon.px);
+        marker.lonlat = lonlat;
+        document.getElementById('latitude').value = marker.lonlat.lat;
+        document.getElementById('longitude').value = marker.lonlat.lon;
+    }
+    OpenLayers.Event.stop(event);
+}
+
+function onMouseMove(event) {
+    event = event || window.event;
+    if (!marker_catched) {return;}
+    marker.icon.px = null;
+    marker.icon.moveTo(new OpenLayers.Pixel(event.xy.x + delta_x,
+                                            event.xy.y + delta_y + 20));
+    defLiveLatLon();
+    lonlat = layerMarkers.getLonLatFromViewPortPx(marker.icon.px).transform(epsg_projection, epsg_display_projection);
+    live_longitude.value = lonlat.lon;
+    live_latitude.value = lonlat.lat;
+    OpenLayers.Event.stop(event);
+}
+
+function onMoveEnd(event) {
+    event = event || window.event;
+    marker.icon.px = map.getPixelFromLonLat(marker.lonlat);
+    OpenLayers.Event.stop(event);
+}
+
+var markerOver = function (evt) {
+    document.body.style.cursor='pointer';
+    OpenLayers.Event.stop(evt);
+};
+var markerOut = function (evt) {
+    document.body.style.cursor='auto';
+    OpenLayers.Event.stop(evt);
+};
+*/