Bug 300846 Add "Resolve Values" switch to Path Variables property page
HEAD Table showing path variables for a resource has 3 columns: Name, Value and Resolved Value. Given the fact that values are rather long the third column is hardly visible. My suggestion is to remove the third column and add a switch to resolve variables in the second column. I'll put up a mockup in a minute...
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/PathVariablesGroup.java
* variables in the table.
     */
    private void updateEnabledState() {
        int itemsSelectedCount = variableTable.getSelectionCount();
        editButton.setEnabled(itemsSelectedCount == 1 && canChangeSelection());
        removeButton.setEnabled(itemsSelectedCount > 0 && canChangeSelection());
    }
    /**
     * Rebuilds table widget state with the current list of variables (reflecting
     * any changes, additions and removals), and selects the item corresponding to
     * the given variable name. If the variable name is <code>null</code>, the
     * first item (if any) will be selected.
     * 
     * @param selectedVarName the name for the variable to be selected (may be
     * <code>null</code>)
     * @see IPathVariableManager#getPathVariableNames(IResource)
     * @see IPathVariableManager#getValue(String, IResource)
     */
    private void updateVariableTable(String selectedVarName) {
        variableTable.removeAll();
        int selectedVarIndex = 0;
        for (Iterator varNames = tempPathVariables.keySet().iterator(); varNames
                .hasNext();) {
            TableItem item = new TableItem(variableTable, SWT.NONE);
            String varName = (String) varNames.next();
            IPath value = (IPath) tempPathVariables.get(varName);
            IPath resolvedValue = value;
            if (currentResource != null) {
            	URI resolvedURI = currentResource.getProject().getPathVariableManager().resolveURI(URIUtil.toURI(resolvedValue), currentResource);
            	resolvedValue = URIUtil.toPath(resolvedURI);