Adobe® Dreamweaver® CS4 Bible

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Part III

Adding Advanced Design Features

5. From the Spry Checkbox Property inspector (Figure 17-22), choose whether you want to

validate a single checkbox or multiple checkboxes by selecting the Required or Enforce

Range option, respectively.

FIGURE 17-22

Single checkboxes can be required with the Spry Validation Checkbox widget.

6. If you want the form field to check the validation prior to submitting the form, select the

Validate On Blur or Change options.

7. If you chose the Enforce Range option, enter either the minimum number of choices in the

Min. # Of Selections field or the maximum number in the Max. # Of Selections field, or

both.

When you save your file the first time after adding a Spry Validation Checkbox widget,

Dreamweaver will notify you of the supporting files: SpryValidationCheckbox.css

and SpryValidationCheckbox.js.

Depending on your Property inspector settings, the Spry Validation Checkbox widget provides up to

four different states:

Initial

■■

—The default state of the text field.

Required

■■

—Displays an error message if the Required option has been selected and the

checkbox is unchecked.

Min. # Of Selections Not Met

■■

—Displays an error message if the Enforce Range option has

been selected and the current number of selected checkboxes is less than the minimum

specified.

Max. # Of Selections Exceeded

■■

—Displays an error message if the Enforce Range option

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