Bug 148551 [Import/Export] Import File System Problem
When going to import some files if you choose General, then Filesystem. As you browse to the folder where you want to import items from and select it, the option to "Select All" is not available until you either select the folder or a file in the folder.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceImportPage1.java
} catch (InterruptedException exception) {
            
            return;
        }
         
         
        
        getShell().update();
        
        
        	
        if (selectionMap != null) {
            updateSelections(selectionMap);
        }
    }
    /* (non-Javadoc)
     * Method declared on IDialogPage. Set the selection up when it becomes visible.
     */
    public void setVisible(boolean visible) {
        super.setVisible(visible);
        resetSelection();
        if (visible) {
			this.sourceNameField.setFocus();
		}
    }
    /**
     * Update the selections with those in map . Implemented here to give inner class
     * visibility
     * @param map Map - key tree elements, values Lists of list elements
     */