X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/3789b528d8dd8aad4558e38e22d775bcab1cbd36..6746dc89c47ed01b165cc1152533605f97eb8e8d:/docs/source/Number3.html
diff --git a/docs/source/Number3.html b/docs/source/Number3.html
index fd2f71f5..9076b4a7 100644
--- a/docs/source/Number3.html
+++ b/docs/source/Number3.html
@@ -28,7 +28,7 @@ var isToFixedBroken = (0.9).toFixed() !== '1';
Ext.Number = {
/**
- * Checks whether or not the current number is within a desired range. If the number is already within the
+ * Checks whether or not the passed number is within a desired range. If the number is already within the
* range it is returned, otherwise the min or max value is returned depending on which side of the range is
* exceeded. Note that this method returns the constrained value but does not change the current number.
* @param {Number} number The number to check
@@ -48,6 +48,33 @@ Ext.Number = {
return number;
},
+ /**
+ * Snaps the passed number between stopping points based upon a passed increment value.
+ * @param {Number} value The unsnapped value.
+ * @param {Number} increment The increment by which the value must move.
+ * @param {Number} minValue The minimum value to which the returned value must be constrained. Overrides the increment..
+ * @param {Number} maxValue The maximum value to which the returned value must be constrained. Overrides the increment..
+ * @return {Number} The value of the nearest snap target.
+ */
+ snap : function(value, increment, minValue, maxValue) {
+ var newValue = value,
+ m;
+
+ if (!(increment && value)) {
+ return value;
+ }
+ m = value % increment;
+ if (m !== 0) {
+ newValue -= m;
+ if (m * 2 >= increment) {
+ newValue += increment;
+ } else if (m * 2 < -increment) {
+ newValue -= increment;
+ }
+ }
+ return Ext.Number.constrain(newValue, minValue, maxValue);
+ },
+
/**
* Formats a number using fixed-point notation
* @param {Number} value The number to format