Renamed NSIndexPath+MPRemoveFirstIndex Category to NSIndexPath+MPReverseIndexPath

Added MPDisplayExtension Category to MPExpression and MPFunction Added Methods to Invalidate the Cache to MPExpressionLayout and MPFunctionLayout
2014-04-23 16:05:20 +02:00
parent e048deef1f
commit fa499d299c
9 changed files with 140 additions and 14 deletions
--- a/MathPad/MPExpressionLayout.m
+++ b/MathPad/MPExpressionLayout.m
@@ -74,6 +74,7 @@
 - (void)invalidate
 {
    _valid = NO;
+    [self.parent invalidate];
 }

 - (void)expressionEditedInRange:(NSRange)range replacementLength:(NSUInteger)length
@@ -86,7 +87,7 @@
        [newPlaceholders addObject:[NSNull null]];
    }
    [_symbolCache replaceObjectsInRange:range withObjectsFromArray:newPlaceholders];
-    _valid = NO;
+    [self invalidate];
 }

 - (BOOL)hasCacheForSymbolAtIndex:(NSUInteger)index