Author: vrubezhny Date: 2011-09-14 07:41:50 -0400 (Wed, 14 Sep 2011) New Revision: 34722 Modified: branches/jbosstools-3.3.0.M3/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/contentassist/computers/XmlELCompletionProposalComputer.java Log: JBIDE-9704 JBDS UI freezes for several minutes if a tag in JBoss Ajax4Jsf palette is selected for an xhtml file that does not have a DOCTYPE defined and the root node is selected Committing the patch to 3.3.0.M3 branch Modified: branches/jbosstools-3.3.0.M3/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/contentassist/computers/XmlELCompletionProposalComputer.java =================================================================== --- branches/jbosstools-3.3.0.M3/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/contentassist/computers/XmlELCompletionProposalComputer.java 2011-09-14 10:14:52 UTC (rev 34721) +++ branches/jbosstools-3.3.0.M3/jst/plugins/org.jboss.tools.jst.jsp/src/org/jboss/tools/jst/jsp/contentassist/computers/XmlELCompletionProposalComputer.java 2011-09-14 11:41:50 UTC (rev 34722) @@ -873,6 +873,9 @@ documentRegion = documentRegion.getPrevious(); completionRegion = getCompletionRegion(request.getDocumentRegion().getStartOffset() + request.getRegion().getStart() - 1, request.getParent()); } + if(documentRegion==null || completionRegion == null) { + return null; + } if (!DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE.equals(completionRegion.getType()) && !DOMRegionContext.XML_CONTENT.equals(completionRegion.getType()) && !DOMRegionContext.BLOCK_TEXT.equals(completionRegion.getType())) { @@ -942,6 +945,9 @@ documentRegion = documentRegion.getPrevious(); completionRegion = getCompletionRegion(request.getDocumentRegion().getStartOffset() + request.getRegion().getStart() - 1, request.getParent()); } + if(documentRegion==null || completionRegion == null) { + return null; + } if (!DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE.equals(completionRegion.getType()) && !DOMRegionContext.XML_CONTENT.equals(completionRegion.getType()) && !DOMRegionContext.BLOCK_TEXT.equals(completionRegion.getType())) { @@ -1100,7 +1106,7 @@ return null; } ITextRegion result = node.getStructuredDocument().getRegionAtCharacterOffset(offset).getRegionAtCharacterOffset(offset); - while (result == null) { + while (result == null && offset>0) { offset--; result = node.getStructuredDocument().getRegionAtCharacterOffset(offset).getRegionAtCharacterOffset(offset); }