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Correctly check if <br> makes a line break.

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The previous test was incorrect. A <br> actually introduces a line break if
there is any non-whitespace after it in the block or if there is another <br>
after it in the block. It is irrelevant what comes before it in the block.
This commit is contained in:
Neil Jenkins 2013-03-08 17:14:11 +11:00
parent a12f6905a5
commit 768f4420b9
2 changed files with 11 additions and 9 deletions
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2
build/squire.js
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File diff suppressed because one or more lines are too long

18
source/Editor.js
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@ -11,6 +11,7 @@
var DOCUMENT_POSITION_PRECEDING = 2, // Node.DOCUMENT_POSITION_PRECEDING var DOCUMENT_POSITION_PRECEDING = 2, // Node.DOCUMENT_POSITION_PRECEDING
ELEMENT_NODE = 1, // Node.ELEMENT_NODE, ELEMENT_NODE = 1, // Node.ELEMENT_NODE,
TEXT_NODE = 3, // Node.TEXT_NODE, TEXT_NODE = 3, // Node.TEXT_NODE,
SHOW_ELEMENT = 1, // NodeFilter.SHOW_ELEMENT,
SHOW_TEXT = 4, // NodeFilter.SHOW_TEXT, SHOW_TEXT = 4, // NodeFilter.SHOW_TEXT,
FILTER_ACCEPT = 1, // NodeFilter.FILTER_ACCEPT, FILTER_ACCEPT = 1, // NodeFilter.FILTER_ACCEPT,
FILTER_SKIP = 3; // NodeFilter.FILTER_SKIP; FILTER_SKIP = 3; // NodeFilter.FILTER_SKIP;
@ -1220,20 +1221,21 @@
}; };
var notWSTextNode = function ( node ) { var notWSTextNode = function ( node ) {
return notWS.test( node.data ) ? FILTER_ACCEPT : FILTER_SKIP; return ( node.nodeType === ELEMENT_NODE ?
node.nodeName === 'BR' :
notWS.test( node.data ) ) ?
FILTER_ACCEPT : FILTER_SKIP;
}; };
var isLineBreak = function ( br ) { var isLineBreak = function ( br ) {
var block = br.parentNode; var block = br.parentNode,
walker;
while ( block.isInline() ) { while ( block.isInline() ) {
block = block.parentNode; block = block.parentNode;
} }
var walker = new TreeWalker( block, SHOW_TEXT, notWSTextNode ); walker = new TreeWalker(
block, SHOW_ELEMENT|SHOW_TEXT, notWSTextNode );
walker.currentNode = br; walker.currentNode = br;
if ( !walker.nextNode() ) { return !!walker.nextNode();
return false;
}
walker.currentNode = br;
return !!walker.previousNode();
}; };
// <br> elements are treated specially, and differently depending on the // <br> elements are treated specially, and differently depending on the