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Add ve.Range.coveringRange()

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Change-Id: Ifd9932d7a9f9dae2354fa7aa75cee2e3e639ef42
This commit is contained in:
Catrope 2012-05-16 16:37:22 -07:00
parent 6f4b68274d
commit 5e4f0293f2
1 changed files with 25 additions and 0 deletions
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25
modules/ve2/ve.Range.js
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@ -28,6 +28,31 @@ ve.Range.newFromTranslatedRange = function( range, distance ) {
return new ve.Range( range.from + distance, range.to + distance );
};
/**
* Creates a new ve.Range object that covers all of the given ranges
*
* @method
* @param {Array} ranges Array of ve.Range objects (at least one)
* @returns {ve.Range} Range that spans all of the given ranges
*/
ve.Range.newCoveringRange = function( ranges ) {
var minStart, maxEnd, i;
if ( !ranges || ranges.length == 0 ) {
throw 'newCoveringRange() requires at least one range';
}
minStart = ranges[0].start;
maxEnd = ranges[0].end;
for ( i = 1; i < ranges.length; i++ ) {
if ( ranges[i].start < minStart ) {
minStart = ranges[i].start;
}
if ( ranges[i].end > maxEnd ) {
maxEnd = ranges[i].end;
}
}
return new ve.Range( minStart, maxEnd );
};
/* Methods */
/**