root/kladr/kladr/addr_suggest.js

var KLADR_SERVER = "http://kladr.org.ru/addr_suggest.php";

function AddressSuggestions() {}
AddressSuggestions.prototype.requestSuggestions = function(autoControl, bTypeAhead) {
    var oThis = this;
    var sendValue = autoControl.textbox.value;
    var req = { task: "suggest", value: sendValue };
    var parent = autoControl.group.getParent(autoControl);
    for (t in parent) req[t] = parent[t];  // add all properties in request

    if (this.lastReq)
        if (req.region != this.lastReq.region ||
            req.zone != this.lastReq.zone ||
            req.settlement != this.lastReq.settlement)
                JsHttpRequest.CACHE = {};

    if (!autoControl.needAutocomplete()) return;            
    JsHttpRequest.query(
        KLADR_SERVER, req, function(result, errors) {
                if (result) {
                if (autoControl.textbox.value == sendValue) {
                    if (result.level > 4) {
                        autoControl.selectedNode = result;
                        autoControl.showInputs();
                    } else {
                        autoControl.autosuggest(result, bTypeAhead);
                        oThis.lastReq = req;
                    }
                }
            }           
            },
            false
        );
}
AddressSuggestions.prototype.fieldToString = function(s) {
    if (s.level<5) return s.name + " (" + s.type + ")";
    else return s.name + " (" + s.type + ", " + s._index + ")";
}

function KladrGroup() {
    this.inputs = [];
    this.titles = [];
    this.correct = null;
}

KladrGroup.prototype.check = function() {
    var oThis = this;
    var index = this.getIndex();
    var bId = this.getBuildingId();
    var sId = this.getStreetId();
    var req = {
        task: "checkIndex",
        userIndex: index,
        buildingId: bId,
        streetId: sId
    };
    oThis.correct = 2; // идет проверка
    JsHttpRequest.query(
        KLADR_SERVER, req, function(result, errors) {
                if (result && result.correct) {
                oThis.correct = 1;
                oThis.getIndexInput().textbox.className = "";
            }
            else {
                oThis.correct = 0;
                oThis.getIndexInput().textbox.className = "blocked";
            }
            },
            false
        );          
}

KladrGroup.prototype.getIndexInput = function() {
    for (var i=0;i<this.inputs.length;i++) {
        if (this.inputs[i].selectedNode &&
            this.inputs[i].selectedNode.level == 5) break; // дом
    }
    if (i<this.inputs.length-1)
        return this.inputs[i+1];
    return null;
}

KladrGroup.prototype.getIndex = function() {
    for (var i=0;i<this.inputs.length;i++) {
        if (this.inputs[i].selectedNode &&
            this.inputs[i].selectedNode.level == 5) break; // дом
    }
    if (i<this.inputs.length-1)
        return this.inputs[i+1].textbox.value;
    return null;
}
KladrGroup.prototype.getBuildingId = function() {
    for (var i=0;i<this.inputs.length;i++) {
        if (this.inputs[i].selectedNode &&
            this.inputs[i].selectedNode.level == 5)
            return this.inputs[i].selectedNode.id;
    }
    return null;
}

KladrGroup.prototype.getStreetId = function() {
    for (var i=0;i<this.inputs.length;i++) {
        if (this.inputs[i].selectedNode &&
            this.inputs[i].selectedNode.level == 4)
            return this.inputs[i].selectedNode.id;
    }
    return null;
}

KladrGroup.prototype.add = function(c,t) {
    if (this.inputs.length>0) c.textbox.style.display = "none";
    this.inputs.push(c);
    c.group = this;
    this.titles.push(t);
}
KladrGroup.prototype.needAutoComplete = function(c) {
    var p = this.inputs.indexOf(c);
    if (p>0 && this.inputs[p-1].selectedNode.level == 5) return false;
    return true; 
}
KladrGroup.prototype.showNextInput = function(c) {
    var p = this.inputs.indexOf(c);
    if (p<this.inputs.length-1) {
        this.inputs[p+1].textbox.value = "";
        this.inputs[p+1].textbox.style.display = "block";
        if (c.selectedNode.level==4)
            this.titles[p+1].innerHTML = "Дом:"
        else if (c.selectedNode.level==5)
            this.titles[p+1].innerHTML = "Индекс:"
        else if (c.selectedNode.level==3)
            this.titles[p+1].innerHTML = "Улица/дом:"
        else {
            switch(p) {
                case 0:
                    if (c.selectedNode.type=="Город")
                        this.titles[p+1].innerHTML = "Город/поселение/улица:";
                    else
                        this.titles[p+1].innerHTML = "Адм.Район/город:";
                    break;
                case 1:
                    if (c.selectedNode.level==2)
                        this.titles[p+1].innerHTML = "Поселение/улица/дом:";
                    else
                        this.titles[p+1].innerHTML = "Город/село/улица:"
                    break;
                case 2:
                    if (c.selectedNode.level==2)
                        this.titles[p+1].innerHTML = "Поселение/улица/дом:";
                    break;
            }
        }
    }
}
KladrGroup.prototype.hideNextInputs = function(c) {
    var p = this.inputs.indexOf(c);
    for (var i=p+1;i<this.inputs.length;i++) {
        this.inputs[i].textbox.style.display = "none";
        this.titles[i].innerHTML = "";
    }
}
KladrGroup.prototype.focusNext = function(c) {
    var p = this.inputs.indexOf(c);
    if (p<this.inputs.length-1) {
        this.inputs[p+1].textbox.focus();
    }
}
KladrGroup.prototype.getParent = function(input) {
    var res = [];
    var p = this.inputs.indexOf(input);
    if (p==0 || p==-1) return null;
    var cn = this.inputs[p-1].selectedNode;
    if (!cn) return null;
    switch (cn.level) {
        case "0": return {region:cn.id};
        case "1": return {zone:cn.id};
        case "2": return {city:cn.id};
        case "3": return {settlement:cn.id};
        case "4": return {street:cn.id};
        case "5": return {building:cn.id};
    }
}
KladrGroup.prototype.setFilter = function(filter) {
    this.filter = filter;
}