Remove more offboard logic we do not need.

[remoteglot] / www / js / chessboard-0.3.0.js

diff --git a/www/js/chessboard-0.3.0.js b/www/js/chessboard-0.3.0.js
index 333935930aaace2bfe6c3c972d680eb25abe24ad..a846f80db510b42014601505cad962a483169991 100644 (file)
--- a/www/js/chessboard-0.3.0.js
+++ b/www/js/chessboard-0.3.0.js
@@ -199,8 +199,7 @@ cfg = cfg || {};
 // Constants
 //------------------------------------------------------------------------------
 
-var MINIMUM_JQUERY_VERSION = '1.7.0',
-  START_FEN = 'rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR',
+var START_FEN = 'rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR',
   START_POSITION = fenToObj(START_FEN);
 
 // use unique class names to prevent clashing with anything else on the page
@@ -262,28 +261,6 @@ function deepCopy(thing) {
   return JSON.parse(JSON.stringify(thing));
 }
 
-function parseSemVer(version) {
-  var tmp = version.split('.');
-  return {
-    major: parseInt(tmp[0], 10),
-    minor: parseInt(tmp[1], 10),
-    patch: parseInt(tmp[2], 10)
-  };
-}
-
-// returns true if version is >= minimum
-function compareSemVer(version, minimum) {
-  version = parseSemVer(version);
-  minimum = parseSemVer(minimum);
-
-  var versionNum = (version.major * 10000 * 10000) +
-    (version.minor * 10000) + version.patch;
-  var minimumNum = (minimum.major * 10000 * 10000) +
-    (minimum.minor * 10000) + minimum.patch;
-
-  return (versionNum >= minimumNum);
-}
-
 //------------------------------------------------------------------------------
 // Validation / Errors
 //------------------------------------------------------------------------------
@@ -397,11 +374,6 @@ function expandConfig() {
     cfg.draggable = false;
   }
 
-  // default for dropOffBoard is 'snapback'
-  if (cfg.dropOffBoard !== 'trash') {
-    cfg.dropOffBoard = 'snapback';
-  }
-
   // default piece theme is wikipedia
   if (cfg.hasOwnProperty('pieceTheme') !== true ||
       (typeof cfg.pieceTheme !== 'string' &&
@@ -1002,25 +974,6 @@ function snapbackDraggedPiece() {
   DRAGGING_A_PIECE = false;
 }
 
-function trashDraggedPiece() {
-  removeSquareHighlights();
-
-  // remove the source piece
-  var newPosition = deepCopy(CURRENT_POSITION);
-  delete newPosition[DRAGGED_PIECE_SOURCE];
-  setCurrentPosition(newPosition);
-
-  // redraw the position
-  drawPositionInstant();
-
-  // hide the dragged piece
-  // FIXME: support this for non-jquery
-  //$(draggedPieceEl).fadeOut(cfg.trashSpeed);
-
-  // set state
-  DRAGGING_A_PIECE = false;
-}
-
 function dropDraggedPieceOnSquare(square) {
   removeSquareHighlights();
 
@@ -1130,21 +1083,12 @@ function stopDraggedPiece(location) {
   if (location === 'offboard' && cfg.dropOffBoard === 'snapback') {
     action = 'snapback';
   }
-  if (location === 'offboard' && cfg.dropOffBoard === 'trash') {
-    action = 'trash';
-  }
 
   // run their onDrop function, which can potentially change the drop action
   if (cfg.hasOwnProperty('onDrop') === true &&
     typeof cfg.onDrop === 'function') {
     var newPosition = deepCopy(CURRENT_POSITION);
 
-    // source piece was on the board and position is off the board
-    if (validSquare(DRAGGED_PIECE_SOURCE) === true && location === 'offboard') {
-      // remove the piece from the board
-      delete newPosition[DRAGGED_PIECE_SOURCE];
-    }
-
     // source piece was on the board and position is on the board
     if (validSquare(DRAGGED_PIECE_SOURCE) === true &&
       validSquare(location) === true) {
@@ -1157,7 +1101,7 @@ function stopDraggedPiece(location) {
 
     var result = cfg.onDrop(DRAGGED_PIECE_SOURCE, location, DRAGGED_PIECE,
       newPosition, oldPosition, CURRENT_ORIENTATION);
-    if (result === 'snapback' || result === 'trash') {
+    if (result === 'snapback') {
       action = result;
     }
   }
@@ -1166,9 +1110,6 @@ function stopDraggedPiece(location) {
   if (action === 'snapback') {
     snapbackDraggedPiece();
   }
-  else if (action === 'trash') {
-    trashDraggedPiece();
-  }
   else if (action === 'drop') {
     dropDraggedPieceOnSquare(location);
   }