diff -r 8ccdde37275b -r 4e66271541e8 ui/common/types.c
--- a/ui/common/types.c	Thu May 15 17:17:58 2014 +0200
+++ b/ui/common/types.c	Thu May 15 20:06:28 2014 +0200
@@ -28,9 +28,12 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdarg.h>
 
 #include "../../ucx/list.h"
+#include "../ui/tree.h"
 #include "types.h"
+#include "context.h"
 
 UiObserver* ui_observer_new(ui_callback f, void *data) {
     UiObserver *observer = malloc(sizeof(UiObserver));
@@ -146,3 +149,53 @@
 void ui_list_notify(UiList *list) {
     ui_notify(list->observers, list);
 }
+
+
+typedef struct {
+    int  type;
+    char *name;
+} UiColumn;
+
+UiModelInfo* ui_model_info(UiContext *ctx, ...) {
+    UiModelInfo *info = ui_calloc(ctx, 1, sizeof(UiModelInfo));
+    
+    va_list ap;
+    va_start(ap, ctx);
+    
+    UcxList *cols = NULL;
+    int type;
+    while((type = va_arg(ap, int)) != -1) {
+        char *name = va_arg(ap, char*);
+        
+        UiColumn *column = malloc(sizeof(UiColumn));
+        column->type = type;
+        column->name = name;
+        
+        cols = ucx_list_append(cols, column);
+    }
+    
+    va_end(ap);
+    
+    size_t len = ucx_list_size(cols);
+    info->columns = len;
+    info->types = ui_calloc(ctx, len, sizeof(UiModelType));
+    info->titles = ui_calloc(ctx, len, sizeof(char*));
+    
+    int i = 0;
+    UCX_FOREACH(elm, cols) {
+        UiColumn *c = elm->data;
+        info->types[i] = c->type;
+        info->titles[i] = c->name;
+        free(c);
+        i++;
+    }
+    ucx_list_free(cols);
+    
+    return info;
+}
+
+void ui_model_info_free(UiContext *ctx, UiModelInfo *mi) {
+    ucx_mempool_free(ctx->mempool, mi->types);
+    ucx_mempool_free(ctx->mempool, mi->titles);
+    ucx_mempool_free(ctx->mempool, mi);
+}