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/*
        Copyright (c) 2004-2006, The Dojo Foundation
        All Rights Reserved.

        Licensed under the Academic Free License version 2.1 or above OR the
        modified BSD license. For more information on Dojo licensing, see:

                http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.widget.GoogleMap");
dojo.require("dojo.event.*");
dojo.require("dojo.math");
dojo.require("dojo.widget.*");
dojo.require("dojo.uri.Uri");
dojo.require("dojo.widget.HtmlWidget");
(function () {
        var gkey = djConfig["gMapKey"] || djConfig["googleMapKey"];
        var uri = new dojo.uri.Uri(window.location.href);
        if (uri.host == "www.dojotoolkit.org") {
                gkey = "ABQIAAAACUNdgv_7FGOmUslbm9l6_hRqjp7ri2mNiOEYqetD3xnFHpt5rBSjszDd1sdufPyQKUTyCf_YxoIxvw";
        } else {
                if (uri.host == "blog.dojotoolkit.org") {
                        gkey = "ABQIAAAACUNdgv_7FGOmUslbm9l6_hSkep6Av1xaMhVn3yCLkorJeXeLARQ6fammI_P3qSGleTJhoI5_1JmP_Q";
                } else {
                        if (uri.host == "archive.dojotoolkit.org") {
                                gkey = "ABQIAAAACUNdgv_7FGOmUslbm9l6_hTaQpDt0dyGLIHbXMPTzg1kWeAfwRTwZNyrUfbfxYE9yIvRivEjcXoDTg";
                        } else {
                                if (uri.host == "dojotoolkit.org") {
                                        gkey = "ABQIAAAACUNdgv_7FGOmUslbm9l6_hSaOaO_TgJ5c3mtQFnk5JO2zD5dZBRZk-ieqVs7BORREYNzAERmcJoEjQ";
                                }
                        }
                }
        }
        if (!dojo.hostenv.post_load_) {
                if (!gkey || gkey == "") {
                        dojo.raise("dojo.widget.GoogleMap: The Google Map widget requires a proper API key in order to be used.");
                }
                var tag = "<scr" + "ipt src='http://maps.google.com/maps?file=api&amp;v=2&amp;key=" + gkey + "'></scri" + "pt>";
                if (!dj_global["GMap2"]) {
                        document.write(tag);
                }
        } else {
                dojo.debug("Cannot initialize Google Map system after the page has been loaded! Please either manually include the script block provided by Google in your page or require() the GoogleMap widget before onload has fired.");
        }
})();
dojo.widget.defineWidget("dojo.widget.GoogleMap", dojo.widget.HtmlWidget, function () {
        this.map = null;
        this.geocoder = null;
        this.data = [];
        this.datasrc = "";
        this.controls = ["largemap", "scale", "maptype"];
}, {templatePath:null, templateCssPath:null, isContainer:false, _defaultPoint:{lat:39.10662, lng:-94.578209}, setControls:function () {
        var methodmap = {largemap:GLargeMapControl, smallmap:GSmallMapControl, smallzoom:GSmallZoomControl, scale:GScaleControl, maptype:GMapTypeControl, overview:GOverviewMapControl};
        for (var i = 0; i < this.controls.length; i++) {
                this.map.addControl(new (methodmap[this.controls[i].toLowerCase()])());
        }
}, findCenter:function (bounds) {
        if (this.data.length == 1) {
                return (new GLatLng(this.data[0].lat, this.data[0].lng));
        }
        var clat = (bounds.getNorthEast().lat() + bounds.getSouthWest().lat()) / 2;
        var clng = (bounds.getNorthEast().lng() + bounds.getSouthWest().lng()) / 2;
        return (new GLatLng(clat, clng));
}, createPinpoint:function (pt, overlay) {
        var m = new GMarker(pt);
        if (overlay) {
                GEvent.addListener(m, "click", function () {
                        m.openInfoWindowHtml("<div>" + overlay + "</div>");
                });
        }
        return m;
}, plot:function (obj) {
        var p = new GLatLng(obj.lat, obj.lng);
        var d = obj.description || null;
        var m = this.createPinpoint(p, d);
        this.map.addOverlay(m);
}, plotAddress:function (address) {
        var self = this;
        this.geocoder.getLocations(address, function (response) {
                if (!response || response.Status.code != 200) {
                        alert("The address \"" + address + "\" was not found.");
                        return;
                }
                var obj = {lat:response.Placemark[0].Point.coordinates[1], lng:response.Placemark[0].Point.coordinates[0], description:response.Placemark[0].address};
                self.data.push(obj);
                self.render();
        });
}, parse:function (table) {
        this.data = [];
        var h = table.getElementsByTagName("thead")[0];
        if (!h) {
                return;
        }
        var a = [];
        var cols = h.getElementsByTagName("td");
        if (cols.length == 0) {
                cols = h.getElementsByTagName("th");
        }
        for (var i = 0; i < cols.length; i++) {
                var c = cols[i].innerHTML.toLowerCase();
                if (c == "long") {
                        c = "lng";
                }
                a.push(c);
        }
        var b = table.getElementsByTagName("tbody")[0];
        if (!b) {
                return;
        }
        for (var i = 0; i < b.childNodes.length; i++) {
                if (!(b.childNodes[i].nodeName && b.childNodes[i].nodeName.toLowerCase() == "tr")) {
                        continue;
                }
                var cells = b.childNodes[i].getElementsByTagName("td");
                var o = {};
                for (var j = 0; j < a.length; j++) {
                        var col = a[j];
                        if (col == "lat" || col == "lng") {
                                o[col] = parseFloat(cells[j].innerHTML);
                        } else {
                                o[col] = cells[j].innerHTML;
                        }
                }
                this.data.push(o);
        }
}, render:function () {
        if (this.data.length == 0) {
                this.map.setCenter(new GLatLng(this._defaultPoint.lat, this._defaultPoint.lng), 4);
                return;
        }
        this.map.clearOverlays();
        var bounds = new GLatLngBounds();
        var d = this.data;
        for (var i = 0; i < d.length; i++) {
                bounds.extend(new GLatLng(d[i].lat, d[i].lng));
        }
        var zoom = Math.min((this.map.getBoundsZoomLevel(bounds) - 1), 14);
        this.map.setCenter(this.findCenter(bounds), zoom);
        for (var i = 0; i < this.data.length; i++) {
                this.plot(this.data[i]);
        }
}, initialize:function (args, frag) {
        if (this.datasrc) {
                this.parse(dojo.byId(this.datasrc));
        } else {
                if (this.domNode.getElementsByTagName("table")[0]) {
                        this.parse(this.domNode.getElementsByTagName("table")[0]);
                }
        }
}, postCreate:function () {
        while (this.domNode.childNodes.length > 0) {
                this.domNode.removeChild(this.domNode.childNodes[0]);
        }
        if (this.domNode.style.position != "absolute") {
                this.domNode.style.position = "relative";
        }
        this.map = new GMap2(this.domNode);
        try {
                this.geocoder = new GClientGeocoder();
        }
        catch (ex) {
        }
        this.render();
        this.setControls();
}});