diff -r 062d5ddb15b7 -r 415a7c2866fd app/soc/content/js/map-090917.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/app/soc/content/js/map-090917.js Thu Sep 17 17:31:40 2009 +0200 @@ -0,0 +1,347 @@ +(function () { + var role_profile_gmap = window.role_profile_gmap = 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() { + jQuery.each(address, function (level, level_details) { + level_details.old_value = jQuery(level_details.id).val(); + }); + } + + // Return true if the user has edited address fields + function isNewAddress() { + var is_new = false; + jQuery.each(address, function (level, level_details) { + if (jQuery(level_details.id).val() !== level_details.old_value) { + is_new = true; + return false; + } + }); + return is_new; + } + + // Write saved lat and lng values to page fields + function setLatLngFields() { + jQuery(field_lat).val(current_lat); + jQuery(field_lng).val(current_lng); + } + + // Read lat and lng fields and store them + function readLatLngFields() { + current_lat = jQuery(field_lat).val(); + current_lng = jQuery(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 = ""; + jQuery.each(address, function (level, level_details) { + address_string += jQuery(level_details.id).val() + ","; + }); + + // 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 (jQuery(address.street.id).val() !== "") { + zoom_set = address_zoom; + } + else if (jQuery(address.city.id).val() !== "") { + zoom_set = city_zoom; + } + else if (jQuery(address.state.id).val() !== "") { + zoom_set = state_zoom; + } + else if (jQuery(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 + role_profile_gmap.map_load = function () { + // All can happen only if there is gmap compatible browser. + // TODO: Fallback in case the browser is not compatible + if (window.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 window.GMap2(document.getElementById(map_div)); + map.addControl(new window.GSmallMapControl()); + map.addControl(new window.GMapTypeControl()); + + // Instantiate a global geocoder for future use + geocoder = new window.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 (jQuery(field_lat).val() !== "" && jQuery(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 window.GLatLng(current_lat, current_lng); + map.setCenter(starting_point, zoom_selected); + marker = new window.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 + jQuery.each(address, function (level, level_details) { + jQuery(level_details.id).blur(calculateAddress); + }); + + // Adds a new event listener: if the marker has been dragged around... + window.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(); + }); + } + }; +}()); + +(function () { + var org_home_gmap = window.org_home_gmap = 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 window.GIcon(); + base_icon.shadow = "http://www.google.com/mapfiles/shadow50.png"; + base_icon.iconSize = new window.GSize(20, 34); + base_icon.shadowSize = new window.GSize(37, 34); + base_icon.iconAnchor = new window.GPoint(9, 34); + base_icon.infoWindowAnchor = new window.GPoint(9, 2); + base_icon.infoShadowAnchor = new window.GPoint(18, 25); + var student_icon = new window.GIcon(base_icon); + student_icon.image = "http://www.google.com/mapfiles/marker.png"; + var mentor_icon = new window.GIcon(base_icon); + mentor_icon.image = "/soc/content/images/mentor-marker.png"; + + // Map load function + org_home_gmap.map_load = function (map_data) { + + if (window.GBrowserIsCompatible()) { + // Create the map and add small controls + map = new window.GMap2(document.getElementById(map_div)); + map.addControl(new window.GLargeMapControl()); + map.addControl(new window.GMapTypeControl()); + + // Set map center and initial zoom level + map.setCenter(new window.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, + "lon": person.lon, + "projects": person.projects + }; + } + if (person.type === "mentor") { + mentors[key] = { + "name": person.name, + "lat": person.lat, + "lon": person.lon, + "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.lon !== null && + current_mentor.lat !== null && + current_mentor.lon !== null) { + /*jslint white: false */ + polylines.push([ + [current_student.lat, current_student.lon], + [current_mentor.lat, current_mentor.lon] + ]); + /*jslint white: true */ + } + }); + + // Iterate over students + jQuery.each(students, function (key, person) { + var html = ""; + var marker = null; + + if (person.lat !== null && person.lon !== null) { + var point = new window.GLatLng(person.lat, person.lon); + + marker = new window.GMarker(point, student_icon); + html = [ + "", person.name, "
", + "Student
", + "
" + ].join(""); + // iterate through projects + jQuery.each(person.projects, function () { + var current_project = map_data.projects[this]; + html += [ + "", + current_project.title, "
", + "Mentor: ", current_project.mentor_name, "
" + ].join(""); + }); + html += "
"; + window.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.lon !== null) { + var point = new window.GLatLng(person.lat, person.lon); + + marker = new window.GMarker(point, mentor_icon); + html = [ + "", person.name, "
", + "Mentor
", + "
" + ].join(""); + // iterate through projects + jQuery.each(person.projects, function () { + var current_project = map_data.projects[this]; + html += [ + "", + current_project.title, "
", + "Student: ", current_project.student_name, "
" + ].join(""); + }); + html += "
"; + + window.GEvent.addListener(marker, "click", function () { + marker.openInfoWindowHtml(html); + }); + + map.addOverlay(marker); + } + }); + + // Draw all polylines + jQuery.each(polylines, function () { + var from = new window.GLatLng(this[0][0], this[0][1]); + var to = new window.GLatLng(this[1][0], this[1][1]); + var polyline = new window.GPolyline([from, to], "#ff0000", 3); + map.addOverlay(polyline); + }); + } + }; +}());