Customizers
A property editor, no matter how sophisticated, is responsible for allowing the user to set one property at a time. Especially if certain properties of a bean relate to each other, it may be more user friendly to give users a way to edit multiple properties at the same time. To enable this feature, you supply a customizer instead of (or in addition to) multiple property editors.
In the example program for this section, we develop a customizer for the chart bean. The customizer lets you set several properties of the chart bean at once, and it lets you specify a file from which to read the data points for the chart. Figure 8-14 shows you one pane of the customizer for the chart bean.
Figure 8-14. The customizer for the ChartBean
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