[jboss-jira] [JBoss JIRA] (DROOLS-3207) [DMN Designer] Cell/header selection improvements

[Michael Anstis (Jira)]

Michael Anstis created DROOLS-3207:
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             Summary: [DMN Designer] Cell/header selection improvements
                 Key: DROOLS-3207
                 URL: https://issues.jboss.org/browse/DROOLS-3207
             Project: Drools
          Issue Type: Enhancement
          Components: DMN Editor
    Affects Versions: 7.13.0.Final
            Reporter: Michael Anstis
            Assignee: Michael Anstis


Headers and cells can now be selected however there is some inconsistency to their behaviour.

It is possible to select a header cell first and then a body cell with {{ctrl}} pressed and both remain selected. If however you select first a body cell and then a header cell with {{ctrl}} pressed the body cell becomes deselected (this is because {{HeaderSingleCellSelectionStrategy}} clears the models selections).

Also, following changes for "drill down" {{LiteralExpressionGrid}} and {{UndefinedExpressionGrid}} "act on their own" regarding selection. i.e. create a {{Context}} and add a new {{ContextEntry}} setting its {{Expression}} to a {{LiteralExpression}}. Select multiple cells with {{ctrl}} and when the {{LiteralExpressionGrid}} and {{UndefindExpressionGrid}} cells' are selected the {{Context}} cells become deselected. Ideally the parent cell selections should change too so they _appear_ to be visually selected together. 



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