[richfaces-issues] [JBoss JIRA] Created: (RF-7138) scrollableDataTable: JavaScript error if user press up/down arrow key in case of only item

[Denis Petrunin (JIRA)]

scrollableDataTable: JavaScript error if user press up/down arrow key in case of only item
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                 Key: RF-7138
                 URL: https://jira.jboss.org/jira/browse/RF-7138
             Project: RichFaces
          Issue Type: Bug
          Components: component-ScrollableDataTable
    Affects Versions: 3.3.0
         Environment: RichFaces 3.3.0GA
IE6, IE7, Firefox 3.0.10
            Reporter: Denis Petrunin
            Priority: Minor


1) open page with rich:scrollableDataTable, table must contain only item.
2) click on item
3) press down arrow key

As result there is JavaScript error:

this.nTable.rows[1] is undefined
http://localhost:8080/a4j/g/3_3_0.GAorg/richfaces/renderkit/html/scripts/controls-scrollable-data-table.js
error in line: 94

for(var i=0;i<rows.length;i++){rows[i].removeChild(rows[i].cells[index]);}},showRow:function(rowIndex){if(rowIndex=="up"){this.scrollBox.getElement().scrollTop=this.scrollBox.getElement().scrollTop-this.nTable.rows[1].offsetTop;}else if(rowIndex=="down"){this.scrollBox.getElement().scrollTop=this.scrollBox.getElement().scrollTop+this.nTable.rows[1].offsetTop;}else{var row=$(this.gridId+":n:"+rowIndex);var offsetTop=this.nTable.offsetTop+row.offsetTop;if(this.contentBox.getElement().scrollTop>offsetTop){this.scrollBox.getElement().scrollTop=offsetTop;}else{offsetTop+=row.offsetHeight;offsetTop-=this.contentBox.getElement().clientHeight;if(this.contentBox.getElement().scrollTop<offsetTop){this.scrollBox.getElement().scrollTop=offsetTop;}}}


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