Support for request configuration when using remote interfaces.

9 files changed, 76 insertions, 38 deletions

diff --git a/kvision-modules/kvision-bootstrap-select-remote/src/main/kotlin/pl/treksoft/kvision/form/select/SelectRemoteInput.kt b/kvision-modules/kvision-bootstrap-select-remote/src/main/kotlin/pl/treksoft/kvision/form/select/SelectRemoteInput.kt
index b2dad8fe..5d60e4fe 100644
--- a/kvision-modules/kvision-bootstrap-select-remote/src/main/kotlin/pl/treksoft/kvision/form/select/SelectRemoteInput.kt
+++ b/kvision-modules/kvision-bootstrap-select-remote/src/main/kotlin/pl/treksoft/kvision/form/select/SelectRemoteInput.kt
@@ -28,6 +28,8 @@ import kotlinx.serialization.ImplicitReflectionSerializer
 import kotlinx.serialization.builtins.list
 import kotlinx.serialization.stringify
 import org.w3c.dom.get
+import pl.treksoft.jquery.JQueryAjaxSettings
+import pl.treksoft.jquery.JQueryXHR
 import pl.treksoft.kvision.core.Container
 import pl.treksoft.kvision.remote.CallAgent
 import pl.treksoft.kvision.remote.HttpMethod
@@ -72,12 +74,14 @@ open class SelectRemoteInput<T : Any>(
     private val url: String
     private val labelsCache = mutableMapOf<String, String>()
     private var initRun = false
+    private var beforeSend: ((JQueryXHR, JQueryAjaxSettings) -> dynamic)?
 
     init {
         val (_url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
         this.url = _url
+        this.beforeSend = ajaxOptions?.beforeSend
         if (!preload) {
             val data = obj {
                 q = "{{{q}}}"
@@ -103,9 +107,10 @@ open class SelectRemoteInput<T : Any>(
                     }.toTypedArray()
                 },
                 data = data,
-                beforeSend = { _, b ->
+                beforeSend = { xhr, b ->
+                    beforeSend?.invoke(xhr, b)
                     @Suppress("UnsafeCastFromDynamic")
-                    val q = decodeURIComponent(b.data.substring(2))
+                    val q = decodeURIComponent(b.asDynamic().data.substring(2))
                     val state = stateFunction?.invoke()
                     b.data = JSON.plain.stringify(JsonRpcRequest(0, url, listOf(q, this.value, state)))
                     true
@@ -131,7 +136,8 @@ open class SelectRemoteInput<T : Any>(
                 val values = callAgent.remoteCall(
                     url,
                     JSON.plain.stringify(JsonRpcRequest(0, url, listOf(null, null, state))),
-                    HttpMethod.POST
+                    HttpMethod.POST,
+                    beforeSend = beforeSend
                 ).await()
                 JSON.plain.parse(RemoteOption.serializer().list, values.result as String).forEach {
                     add(
@@ -168,7 +174,8 @@ open class SelectRemoteInput<T : Any>(
                         val initials = callAgent.remoteCall(
                             url,
                             JSON.plain.stringify(JsonRpcRequest(0, url, listOf(null, it, state))),
-                            HttpMethod.POST
+                            HttpMethod.POST,
+                            beforeSend = beforeSend
                         ).await()
                         JSON.plain.parse(RemoteOption.serializer().list, initials.result as String).mapNotNull {
                             it.text
diff --git a/kvision-modules/kvision-bootstrap-select/src/main/kotlin/pl/treksoft/kvision/form/select/AjaxOptions.kt b/kvision-modules/kvision-bootstrap-select/src/main/kotlin/pl/treksoft/kvision/form/select/AjaxOptions.kt
index cfda10e2..9b549cba 100644
--- a/kvision-modules/kvision-bootstrap-select/src/main/kotlin/pl/treksoft/kvision/form/select/AjaxOptions.kt
+++ b/kvision-modules/kvision-bootstrap-select/src/main/kotlin/pl/treksoft/kvision/form/select/AjaxOptions.kt
@@ -21,6 +21,7 @@
  */
 package pl.treksoft.kvision.form.select
 
+import pl.treksoft.jquery.JQueryAjaxSettings
 import pl.treksoft.jquery.JQueryXHR
 import pl.treksoft.kvision.KVManagerSelect.AJAX_REQUEST_DELAY
 import pl.treksoft.kvision.KVManagerSelect.KVNULL
@@ -85,7 +86,7 @@ enum class DataType(internal val type: String) {
 data class AjaxOptions(
     val url: String? = null,
     val preprocessData: ((dynamic) -> dynamic)? = null,
-    val beforeSend: ((JQueryXHR, dynamic) -> dynamic)? = null,
+    val beforeSend: ((JQueryXHR, JQueryAjaxSettings) -> dynamic)? = null,
     val data: dynamic = null,
     val httpType: HttpType = HttpType.GET,
     val dataType: DataType = DataType.JSON,
diff --git a/kvision-modules/kvision-bootstrap-typeahead-remote/src/main/kotlin/pl/treksoft/kvision/form/text/TypeaheadRemoteInput.kt b/kvision-modules/kvision-bootstrap-typeahead-remote/src/main/kotlin/pl/treksoft/kvision/form/text/TypeaheadRemoteInput.kt
index 932a86ff..afefae58 100644
--- a/kvision-modules/kvision-bootstrap-typeahead-remote/src/main/kotlin/pl/treksoft/kvision/form/text/TypeaheadRemoteInput.kt
+++ b/kvision-modules/kvision-bootstrap-typeahead-remote/src/main/kotlin/pl/treksoft/kvision/form/text/TypeaheadRemoteInput.kt
@@ -45,6 +45,7 @@ import kotlin.browser.window
  * @param delay a delay between lookups
  * @param type text input type (default "text")
  * @param value text input value
+ * @param taAjaxOptions AJAX options for remote data source
  * @param classes a set of CSS class names
  */
 @OptIn(ImplicitReflectionSerializer::class)
@@ -53,7 +54,9 @@ open class TypeaheadRemoteInput<T : Any>(
     function: suspend T.(String?, String?) -> List<String>,
     private val stateFunction: (() -> String)? = null,
     items: Int? = 8, minLength: Int = 1, delay: Int = 0,
-    type: TextInputType = TextInputType.TEXT, value: String? = null, classes: Set<String> = setOf()
+    type: TextInputType = TextInputType.TEXT, value: String? = null,
+    taAjaxOptions: TaAjaxOptions? = null,
+    classes: Set<String> = setOf()
 ) : TypeaheadInput(null, null, items, minLength, delay, type, value, classes) {
 
     private val kvUrlPrefix = window["kv_remote_url_prefix"]
@@ -63,8 +66,9 @@ open class TypeaheadRemoteInput<T : Any>(
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        this.ajaxOptions = TaAjaxOptions(
-            urlPrefix + url.drop(1),
+        val tempAjaxOptions = taAjaxOptions ?: TaAjaxOptions()
+        this.ajaxOptions = tempAjaxOptions.copy(
+            url = urlPrefix + url.drop(1),
             preprocessQuery = { query ->
                 val state = stateFunction?.invoke()
                 JSON.plain.stringify(JsonRpcRequest(0, url, listOf(query, state)))
@@ -88,13 +92,23 @@ fun <T : Any> Container.typeaheadRemoteInput(
     stateFunction: (() -> String)? = null,
     items: Int? = 8, minLength: Int = 1, delay: Int = 0,
     type: TextInputType = TextInputType.TEXT, value: String? = null,
+    taAjaxOptions: TaAjaxOptions? = null,
     classes: Set<String>? = null,
     className: String? = null,
     init: (TypeaheadRemoteInput<T>.() -> Unit)? = null
 ): TypeaheadRemoteInput<T> {
     val typeaheadRemoteInput =
         TypeaheadRemoteInput(
-            serviceManager, function, stateFunction, items, minLength, delay, type, value, classes ?: className.set
+            serviceManager,
+            function,
+            stateFunction,
+            items,
+            minLength,
+            delay,
+            type,
+            value,
+            taAjaxOptions,
+            classes ?: className.set
         ).apply {
             init?.invoke(this)
         }
diff --git a/kvision-modules/kvision-bootstrap-typeahead/src/main/kotlin/pl/treksoft/kvision/form/text/TaAjaxOptions.kt b/kvision-modules/kvision-bootstrap-typeahead/src/main/kotlin/pl/treksoft/kvision/form/text/TaAjaxOptions.kt
index 29dc9dc9..5f45ac91 100644
--- a/kvision-modules/kvision-bootstrap-typeahead/src/main/kotlin/pl/treksoft/kvision/form/text/TaAjaxOptions.kt
+++ b/kvision-modules/kvision-bootstrap-typeahead/src/main/kotlin/pl/treksoft/kvision/form/text/TaAjaxOptions.kt
@@ -21,6 +21,7 @@
  */
 package pl.treksoft.kvision.form.text
 
+import pl.treksoft.jquery.JQueryAjaxSettings
 import pl.treksoft.jquery.JQueryXHR
 
 /**
@@ -59,10 +60,10 @@ enum class DataType(internal val type: String) {
  * [JQuery ajax.processData](http://api.jquery.com/jquery.ajax/#jQuery-ajax-settings) option
  */
 data class TaAjaxOptions(
-    val url: String,
+    val url: String? = null,
     val preprocessQuery: ((String) -> dynamic)? = null,
     val preprocessData: ((dynamic) -> Array<String>)? = null,
-    val beforeSend: ((JQueryXHR, dynamic) -> dynamic)? = null,
+    val beforeSend: ((JQueryXHR, JQueryAjaxSettings) -> dynamic)? = null,
     val httpType: HttpType = HttpType.GET,
     val dataType: DataType = DataType.JSON,
     val processData: Boolean = true
diff --git a/kvision-modules/kvision-bootstrap-typeahead/src/main/kotlin/pl/treksoft/kvision/form/text/TypeaheadInput.kt b/kvision-modules/kvision-bootstrap-typeahead/src/main/kotlin/pl/treksoft/kvision/form/text/TypeaheadInput.kt
index 104c7f8d..46bf4b62 100644
--- a/kvision-modules/kvision-bootstrap-typeahead/src/main/kotlin/pl/treksoft/kvision/form/text/TypeaheadInput.kt
+++ b/kvision-modules/kvision-bootstrap-typeahead/src/main/kotlin/pl/treksoft/kvision/form/text/TypeaheadInput.kt
@@ -119,7 +119,7 @@ open class TypeaheadInput(
                     val data = ajaxOptions.preprocessQuery?.invoke(query) ?: obj {
                         this.query = query
                     }
-                    jQuery.ajax(ajaxOptions.url, obj {
+                    jQuery.ajax(ajaxOptions.url!!, obj {
                         this.contentType = "application/json"
                         this.data = data
                         this.method = ajaxOptions.httpType.type
diff --git a/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/CallAgent.kt b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/CallAgent.kt
index 3d865f04..e357c024 100644
--- a/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/CallAgent.kt
+++ b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/CallAgent.kt
@@ -57,7 +57,8 @@ open class CallAgent {
     fun jsonRpcCall(
         url: String,
         data: List<String?> = listOf(),
-        method: HttpMethod = HttpMethod.POST
+        method: HttpMethod = HttpMethod.POST,
+        beforeSend: ((JQueryXHR, JQueryAjaxSettings) -> Boolean)? = null
     ): Promise<String> {
         val jsonRpcRequest = JsonRpcRequest(counter++, url, data)
         val jsonData = if (method == HttpMethod.GET) {
@@ -103,6 +104,7 @@ open class CallAgent {
                 this.xhrFields = obj {
                     this.withCredentials = true
                 }
+                this.beforeSend = beforeSend
             })
         }
     }
diff --git a/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/KVRemoteAgent.kt b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/KVRemoteAgent.kt
index 8836c7f1..fe655b87 100644
--- a/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/KVRemoteAgent.kt
+++ b/kvision-modules/kvision-common-remote/src/jsMain/kotlin/pl/treksoft/kvision/remote/KVRemoteAgent.kt
@@ -34,6 +34,8 @@ import kotlinx.serialization.builtins.list
 import kotlinx.serialization.serializer
 import kotlinx.serialization.stringify
 import org.w3c.dom.get
+import pl.treksoft.jquery.JQueryAjaxSettings
+import pl.treksoft.jquery.JQueryXHR
 import kotlin.browser.window
 import kotlin.reflect.KClass
 
@@ -42,8 +44,10 @@ import kotlin.reflect.KClass
  */
 @Suppress("LargeClass", "TooManyFunctions")
 @OptIn(ImplicitReflectionSerializer::class, ExperimentalCoroutinesApi::class)
-open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
-    RemoteAgent {
+open class KVRemoteAgent<T : Any>(
+    val serviceManager: KVServiceMgr<T>,
+    val beforeSend: ((JQueryXHR, JQueryAjaxSettings) -> Boolean)? = null
+) : RemoteAgent {
 
     val callAgent = CallAgent()
 
@@ -54,7 +58,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, method = method).then {
+        return callAgent.jsonRpcCall(url, method = method, beforeSend = beforeSend).then {
             try {
                 @Suppress("UNCHECKED_CAST")
                 deserialize<RET>(it, RET::class.js.name)
@@ -78,7 +82,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, method = method).then {
+        return callAgent.jsonRpcCall(url, method = method, beforeSend = beforeSend).then {
             try {
                 deserializeList<RET>(it, RET::class.js.name)
             } catch (t: NotStandardTypeException) {
@@ -102,7 +106,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data), method, beforeSend).then {
             try {
                 @Suppress("UNCHECKED_CAST")
                 deserialize<RET>(it, RET::class.js.name)
@@ -127,7 +131,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data), method, beforeSend).then {
             try {
                 deserializeList<RET>(it, RET::class.js.name)
             } catch (t: NotStandardTypeException) {
@@ -152,7 +156,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data1, data2), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data1, data2), method, beforeSend).then {
             try {
                 @Suppress("UNCHECKED_CAST")
                 deserialize<RET>(it, RET::class.js.name)
@@ -178,7 +182,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data1, data2), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data1, data2), method, beforeSend).then {
             try {
                 deserializeList<RET>(it, RET::class.js.name)
             } catch (t: NotStandardTypeException) {
@@ -204,7 +208,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3), method, beforeSend).then {
             try {
                 @Suppress("UNCHECKED_CAST")
                 deserialize<RET>(it, RET::class.js.name)
@@ -231,7 +235,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3), method, beforeSend).then {
             try {
                 deserializeList<RET>(it, RET::class.js.name)
             } catch (t: NotStandardTypeException) {
@@ -258,7 +262,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4), method, beforeSend).then {
             try {
                 @Suppress("UNCHECKED_CAST")
                 deserialize<RET>(it, RET::class.js.name)
@@ -290,7 +294,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4), method, beforeSend).then {
             try {
                 deserializeList<RET>(it, RET::class.js.name)
             } catch (t: NotStandardTypeException) {
@@ -325,7 +329,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4, data5), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4, data5), method, beforeSend).then {
             try {
                 @Suppress("UNCHECKED_CAST")
                 deserialize<RET>(it, RET::class.js.name)
@@ -361,7 +365,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4, data5), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4, data5), method, beforeSend).then {
             try {
                 deserializeList<RET>(it, RET::class.js.name)
             } catch (t: NotStandardTypeException) {
@@ -398,7 +402,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4, data5, data6), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4, data5, data6), method, beforeSend).then {
             try {
                 @Suppress("UNCHECKED_CAST")
                 deserialize<RET>(it, RET::class.js.name)
@@ -436,7 +440,7 @@ open class KVRemoteAgent<T : Any>(val serviceManager: KVServiceMgr<T>) :
         val (url, method) =
             serviceManager.getCalls()[function.toString().replace("\\s".toRegex(), "")]
                 ?: throw IllegalStateException("Function not specified!")
-        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4, data5, data6), method).then {
+        return callAgent.jsonRpcCall(url, listOf(data1, data2, data3, data4, data5, data6), method, beforeSend).then {
             try {
                 deserializeList<RET>(it, RET::class.js.name)
             } catch (t: NotStandardTypeException) {
diff --git a/kvision-modules/kvision-tabulator-remote/src/main/kotlin/pl/treksoft/kvision/tabulator/TabulatorRemote.kt b/kvision-modules/kvision-tabulator-remote/src/main/kotlin/pl/treksoft/kvision/tabulator/TabulatorRemote.kt
index e61ced55..21bfc5d4 100644
--- a/kvision-modules/kvision-tabulator-remote/src/main/kotlin/pl/treksoft/kvision/tabulator/TabulatorRemote.kt
+++ b/kvision-modules/kvision-tabulator-remote/src/main/kotlin/pl/treksoft/kvision/tabulator/TabulatorRemote.kt
@@ -24,6 +24,8 @@ package pl.treksoft.kvision.tabulator
 import kotlinx.serialization.ImplicitReflectionSerializer
 import kotlinx.serialization.stringify
 import org.w3c.dom.get
+import pl.treksoft.jquery.JQueryAjaxSettings
+import pl.treksoft.jquery.JQueryXHR
 import pl.treksoft.kvision.core.Container
 import pl.treksoft.kvision.remote.CallAgent
 import pl.treksoft.kvision.remote.HttpMethod
@@ -69,6 +71,10 @@ open class TabulatorRemote<T : Any, E : Any>(
                 ?: throw IllegalStateException("Function not specified!")
 
         val callAgent = CallAgent()
+
+        @Suppress("UnsafeCastFromDynamic")
+        val beforeSend: ((JQueryXHR, JQueryAjaxSettings) -> Boolean)? = options.ajaxConfig.beforeSend
+        options.ajaxConfig.beforeSend = undefined
         options.ajaxURL = urlPrefix + url.drop(1)
         options.ajaxRequestFunc = { _, _, params ->
             val page = params.page
@@ -91,15 +97,16 @@ open class TabulatorRemote<T : Any, E : Any>(
 
             @Suppress("UnsafeCastFromDynamic")
             val data = JSON.plain.stringify(JsonRpcRequest(0, url, listOf(page, size, filters, sorters, state)))
-            callAgent.remoteCall(url, data, method = HttpMethod.valueOf(method.name)).then { r: dynamic ->
-                val result = kotlin.js.JSON.parse<dynamic>(r.result as String)
-                @Suppress("UnsafeCastFromDynamic")
-                if (page != null) {
-                    result
-                } else {
-                    result.data
+            callAgent.remoteCall(url, data, method = HttpMethod.valueOf(method.name), beforeSend = beforeSend)
+                .then { r: dynamic ->
+                    val result = kotlin.js.JSON.parse<dynamic>(r.result as String)
+                    @Suppress("UnsafeCastFromDynamic")
+                    if (page != null) {
+                        result
+                    } else {
+                        result.data
+                    }
                 }
-            }
         }
     }
 }
diff --git a/kvision-tools/kvision-compiler-plugin/src/main/kotlin/pl/treksoft/kvision/plugin/KVProcessor.kt b/kvision-tools/kvision-compiler-plugin/src/main/kotlin/pl/treksoft/kvision/plugin/KVProcessor.kt
index 5d5cc514..6a0a0130 100644
--- a/kvision-tools/kvision-compiler-plugin/src/main/kotlin/pl/treksoft/kvision/plugin/KVProcessor.kt
+++ b/kvision-tools/kvision-compiler-plugin/src/main/kotlin/pl/treksoft/kvision/plugin/KVProcessor.kt
@@ -158,12 +158,14 @@ class KVProcessor : AbstractProcessor() {
                         appendln("//")
                         appendln("package $packageName")
                         appendln()
+                        appendln("import pl.treksoft.jquery.JQueryAjaxSettings")
+                        appendln("import pl.treksoft.jquery.JQueryXHR")
                         appendln("import pl.treksoft.kvision.remote.KVRemoteAgent")
                         getTypes(cl.methods()).sorted().forEach {
                             appendln("import $it")
                         }
                         appendln()
-                        appendln("actual class $baseName : $iName, KVRemoteAgent<$baseName>(${baseName}Manager) {")
+                        appendln("actual class $baseName(beforeSend: ((JQueryXHR, JQueryAjaxSettings) -> Boolean)? = null) : $iName, KVRemoteAgent<$baseName>(${baseName}Manager, beforeSend) {")
                         cl.methods().forEach {
                             val name = it.name
                             val params = it.allParameters.drop(1)