add path exists

3 files changed, 58 insertions, 1 deletions

diff --git a/ncp-web/elements.php b/ncp-web/elements.php
index ea2b4b65..52c50844 100644
--- a/ncp-web/elements.php
+++ b/ncp-web/elements.php
@@ -33,10 +33,15 @@ HTML;
       if (array_key_exists('default', $param))
         $default = $param['default'];
 
+      $class = '';
+      if ($param['type'] == 'directory' || $param['type'] == 'file')
+        $class = 'path';
+
       $ret .= "<td>
                 <input type=\"text\"
-                  name=\"$param[name]\"
                   id=\"$ncp_app-$param[id]\"
+                  name=\"$param[name]\"
+                  class=\"$class\"
                   value=\"$param[value]\"
                   default=\"$default\"
                   placeholder=\"$suggest\"
diff --git a/ncp-web/js/ncp.js b/ncp-web/js/ncp.js
index e94c29c0..5e85bad3 100644
--- a/ncp-web/js/ncp.js
+++ b/ncp-web/js/ncp.js
@@ -268,6 +268,43 @@ $(function()
       input.set('.value', input.get('@default'));
     });
 
+  // Path fields
+  $( '.path' ).on('|keydown', function(e)
+    {
+      var span = this.up().select('span', true);
+      span.fill();
+    }
+  );
+
+  // Path fields
+  $( '.path' ).on('change', function(e)
+    {
+      var span = this.up().select('span', true);
+      // request
+      $.request('post', 'ncp-launcher.php', { action:'path-exists',
+                                              value: this.get('.value'),
+                                              csrf_token: $( '#csrf-token-cfg' ).get( '.value' ) }).then(
+          function success( result )
+          {
+            var ret = $.parseJSON( result );
+            if ( ret.token )
+              $('#csrf-token-cfg').set( { value: ret.token } );
+            if ( ret.ret && ret.ret == '0' )                        // means that the process was launched
+            {
+              span.fill("path exists")
+              span.set('-error-field');
+              span.set('+ok-field');
+            }
+            else
+            {
+              span.fill("path doesn't exist")
+              span.set('-ok-field');
+              span.set('+error-field');
+            }
+          }
+      ).error( errorMsg )
+    } );
+
   // Update notification
   $( '#notification' ).on('click', function(e)
   {
diff --git a/ncp-web/ncp-launcher.php b/ncp-web/ncp-launcher.php
index 4d720ced..8590b066 100644
--- a/ncp-web/ncp-launcher.php
+++ b/ncp-web/ncp-launcher.php
@@ -148,6 +148,21 @@ else if ( $_POST['action'] == "cfg-ui" )
 }
 
 //
+// path field
+//
+else if ( $_POST['action'] == "path-exists" )
+{
+  if (file_exists($_POST['value']))
+    $ret = 0;
+  else
+    $ret = 1;
+
+  // return JSON
+  echo '{ "token": "' . getCSRFToken() . '",';               // Get new token
+  echo ' "ret": "'    . $ret           . '" }';
+}
+
+//
 // poweroff
 //
 else if ( $_POST['action'] == "poweroff" )