--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/app/soc/content/js/map-090730.js Thu Jul 30 14:02:23 2009 +0200
@@ -0,0 +1,312 @@
+role_profile_gmap = new function(){
+ // Create global variables
+ var map;
+ var marker;
+ var geocoder;
+
+ // The following strings can be customized to reflect ids in the page.
+ // You can also add or remove fields used for GMap Geocoding in
+ // the JSON address object
+
+ var current_lat = 0;
+ var current_lng = 0;
+
+ // Two different levels for zoom: Starting one and an inner that
+ // is used when showing the map if lat and lon page fields are set
+ var world_zoom = 0;
+ var country_zoom = 4;
+ var state_zoom = 6;
+ var city_zoom = 10;
+ var address_zoom = 13;
+
+ // Do not add a starting # as this JQuery selector seems
+ // incompatible with GMap API
+ var map_div = "role_profile_map";
+
+ var field_lat = "#id_latitude";
+ var field_lng = "#id_longitude";
+ // Need to save old values to avoid unwanted updating
+ // of lat and lot if marker dragged and blur another time an address field
+ var address = {
+ street: {
+ id: "#id_res_street",
+ old_value: ""
+ },
+ city: {
+ id: "#id_res_city",
+ old_value: ""
+ },
+ state: {
+ id: "#id_res_state",
+ old_value: ""
+ },
+ country: {
+ id: "#id_res_country",
+ old_value: ""
+ },
+ postalcode: {
+ id: "#id_res_postalcode",
+ old_value: ""
+ }
+ }
+
+ // Save current address fields in the JSON Object
+ function saveOldAddress() {
+ for (var a in address) {
+ address[a].old_value = $(address[a].id).val();
+ }
+ }
+
+ // Return true if the user has edited address fields
+ function isNewAddress() {
+ for (var a in address) {
+ if ($(address[a].id).val() != address[a].old_value) return true;
+ }
+ return false;
+ }
+
+ // Write saved lat and lng values to page fields
+ function setLatLngFields() {
+ $(field_lat).val(current_lat);
+ $(field_lng).val(current_lng);
+ }
+
+ // Read lat and lng fields and store them
+ function readLatLngFields() {
+ current_lat = $(field_lat).val();
+ current_lng = $(field_lng).val();
+ }
+
+ // This function reads address fields, merge them and uses
+ // GMap API geocoding to find the first hit
+ // Using geocoding http://code.google.com/intl/it-IT/apis/maps/documentation/services.html#Geocoding
+ function calculateAddress() {
+ // If the user has really edited address fields...
+ if (isNewAddress()) {
+ // Merge address fields
+ var address_string = "";
+ for (var a in address) {
+ address_string+=$(address[a].id).val();
+ if (a!=address.length-1) {address_string+=","};
+ }
+
+ // Ask GMap API for geocoding
+ geocoder.getLatLng(
+ address_string,
+ function(point) {
+ // If a point is found
+ if (point) {
+ // Save the current address in the JSON object
+ saveOldAddress();
+ // Set the new zoom, map center and marker coords
+ var zoom_set = world_zoom;
+ if ($(address.street.id).val()!="") zoom_set = address_zoom;
+ else if ($(address.city.id).val()!="") zoom_set = city_zoom;
+ else if ($(address.state.id).val()!="") zoom_set = state_zoom;
+ else if ($(address.country.id).val()!="") zoom_set = country_zoom;
+ map.setCenter(point, zoom_set);
+ marker.setPoint(point);
+ map.clearOverlays();
+ map.addOverlay(marker);
+ // Save point coords in local variables and then update
+ // the page lat/lng fields
+ current_lat = point.lat();
+ current_lng = point.lng();
+ setLatLngFields();
+ }
+ }
+ );
+ }
+ }
+
+ // Public function to load the map
+ this.map_load = function() {
+ // All can happen only if there is gmap compatible browser.
+ // TODO: Fallback in case the browser is not compatible
+ if (GBrowserIsCompatible()) {
+ // Save the address fields. This is useful if the page is being edited
+ // to not update blindly the lat/lng fields with GMap geocoding if
+ // blurring an address field
+ saveOldAddress();
+ var starting_point;
+ var zoom_selected = world_zoom;
+ var show_marker = true;
+
+ // Create the map and add small controls
+ map = new GMap2(document.getElementById(map_div));
+ map.addControl(new GSmallMapControl());
+ map.addControl(new GMapTypeControl());
+
+ // Instantiate a global geocoder for future use
+ geocoder = new GClientGeocoder();
+
+ // If lat and lng fields are not void (the page is being edited) then
+ // update the starting coords, modify the zoom level and tells following
+ // code to show the marker
+ if ($(field_lat).val()!="" && $(field_lng).val()!="") {
+ readLatLngFields();
+ zoom_selected = address_zoom;
+ show_marker = true;
+ }
+
+ // Set map center, marker coords and show it if this is an editing
+ starting_point = new GLatLng(current_lat,current_lng);
+ map.setCenter(starting_point, zoom_selected);
+ marker = new GMarker(starting_point, {draggable:true});
+ if (show_marker) map.addOverlay(marker);
+
+ // Adds a new event listener to geocode the address when an address
+ // field is blurred
+ for (var a in address) {
+ $(address[a].id).blur(calculateAddress);
+ }
+
+ // Adds a new event listener: if the marker has been dragged around...
+ GEvent.addListener(marker, "dragend", function() {
+ // Update internal variables with current marker coords...
+ current_lat = marker.getPoint().lat();
+ current_lng = marker.getPoint().lng();
+ // ...and set page fields accordingly
+ setLatLngFields();
+ });
+ }
+ }
+};
+
+org_home_gmap = new function(){
+ // Global variables
+ var map;
+
+ // HTML div tag where map needs to be inserted
+ var map_div = "org_home_map";
+
+ // Setup required icons
+ var base_icon = new GIcon();
+ base_icon.shadow = "http://www.google.com/mapfiles/shadow50.png";
+ base_icon.iconSize = new GSize(20, 34);
+ base_icon.shadowSize = new GSize(37, 34);
+ base_icon.iconAnchor = new GPoint(9, 34);
+ base_icon.infoWindowAnchor = new GPoint(9, 2);
+ base_icon.infoShadowAnchor = new GPoint(18, 25);
+ var student_icon = new GIcon(base_icon);
+ student_icon.image = "http://www.google.com/mapfiles/marker.png";
+ var mentor_icon = new GIcon(base_icon);
+ mentor_icon.image = "/soc/content/images/mentor-marker.png";
+
+ // Map load function
+ this.map_load = function(map_data) {
+
+ if (GBrowserIsCompatible()) {
+ // Create the map and add small controls
+ map = new GMap2(document.getElementById(map_div));
+ map.addControl(new GLargeMapControl());
+ map.addControl(new GMapTypeControl());
+
+ // Set map center and initial zoom level
+ map.setCenter(new GLatLng(0, 0), 1);
+
+ var mentors = {};
+ var students = {};
+ var projects = {};
+ var polylines = [];
+
+ jQuery.each(map_data.people, function(key, person) {
+ if (person.type === "student") {
+ students[key] = {
+ "name": person.name,
+ "lat": person.lat,
+ "long": person.long,
+ "projects": person.projects
+ }
+ }
+ if (person.type === "mentor") {
+ mentors[key] = {
+ "name": person.name,
+ "lat": person.lat,
+ "long": person.long,
+ "projects": person.projects
+ };
+ }
+ });
+
+ // Iterate over projects to draw polylines
+ jQuery.each(map_data.projects, function (key, project) {
+ var current_student = students[project.student_key];
+ var current_mentor = mentors[project.mentor_key];
+ if (current_student !== undefined &&
+ current_mentor !== undefined &&
+ current_student.lat !== null &&
+ current_student.long !== null &&
+ current_mentor.lat !== null &&
+ current_mentor.long !== null) {
+ polylines.push([[current_student.lat,current_student.long],[current_mentor.lat,current_mentor.long]]);
+ }
+ });
+
+ // Iterate over students
+ jQuery.each(students, function(key, person) {
+ var html = "";
+ var marker = null;
+
+ if (person.lat!==null && person.long!==null) {
+ point = new GLatLng(person.lat,
+ person.long);
+
+ marker = new GMarker(point, student_icon);
+ html = "<strong>" + person.name + "</strong><br />";
+ html += "<span style='font-style:italic;'>Student</span><br />";
+ html += "<div style='height:100px;width:300px;overflow:auto;font-size:70%'>";
+ // iterate through projects
+ jQuery.each(person.projects, function () {
+ var current_project = map_data.projects[this];
+ html += "<a href='"+ current_project.redirect + "'>" + current_project.title + "</a><br />";
+ html += "Mentor: " + current_project.mentor_name + "<br />";
+ });
+ html+= "</div>";
+ GEvent.addListener(marker, "click", function() {
+ marker.openInfoWindowHtml(html);
+ });
+
+ map.addOverlay(marker);
+ }
+ });
+
+ // Iterate over mentors
+ jQuery.each(mentors, function(key, person) {
+ var html = "";
+ var marker = null;
+
+ if (person.lat!==null && person.long!==null) {
+ point = new GLatLng(person.lat,
+ person.long);
+
+ marker = new GMarker(point, mentor_icon);
+ html = "<strong>" + person.name + "</strong><br />";
+ html += "<span style='font-style:italic;'>Student</span><br />";
+ html += "<div style='height:100px;width:300px;overflow:auto;font-size:70%'>";
+ // iterate through projects
+ jQuery.each(person.projects, function () {
+ var current_project = map_data.projects[this];
+ html += "<a href='"+ current_project.redirect + "'>" + current_project.title + "</a><br />";
+ html += "Student: " + current_project.student_name + "<br />";
+ });
+ html+= "</div>";
+
+ GEvent.addListener(marker, "click", function() {
+ marker.openInfoWindowHtml(html);
+ });
+
+ map.addOverlay(marker);
+ }
+ });
+
+ // Draw all polylines
+ jQuery.each(polylines, function() {
+ var from = new GLatLng(this[0][0],this[0][1]);
+ var to = new GLatLng(this[1][0],this[1][1]);
+ var polyline = new GPolyline([from, to], "#ff0000", 3);
+ map.addOverlay(polyline);
+ });
+ }
+ }
+};