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Please make sure you have read the Tag Syntax document and understand how tag attribute syntax works.
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The predefined themes can be used "as is" or customized.
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The xhtml theme renders out a two-column table. If a different layout is needed, do not write your own HTML. Create a new theme or utilize the simple theme.
Simple theme caveats
The downside of using the simple theme is that it doesn't support as many of the attributes that the other themes do. For example, the label attribute does nothing in the simple theme, and the automatic display of error messages is not supported.
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Template-Related Attributes
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Javascript-Related Attributes
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Tooltip Related Attributes
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General Attributes
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Some tag attributes may not be utilized by all, or any, of the templates. For example, the form tag supports the tabindex attribute, but none of the themes render the tabindex.
Value/Name Relationship
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Likewise, a form control could be populated by calling a JavaBean accessor, like getPostalCode. In the expression language, we can refer to the JavaBean property by name. An expression like "%{postalCode}" would in turn call getPostalCode.
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However, since the tags imply a relationship between the name and value, the value attribute is optional. If a value is not specified, by default, the JavaBean accessor is used instead.
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While most attributes are exposed to the underlying templates as the same key as the attribute (${parameters.label}), the value attribute is not. Instead, it can be accessed via the nameValue key (${parameters.nameValue}). The nameValue key indicates that the value may have been generated from the name attribute rather than explicitly defined in the value attribute.
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Forms | The default ID is the action name. For example, "updateAddress". |
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Controls | The default ID is the form's name concatenated with the tag name. For example, "updateAddress_postalCode". |
Form labelposition propagation
When labelposition attribute was defined for <s:form> tag it will be propagated to all form elements, but if form element defines its own labelposition it will take precedence over <s:form>'s attribute. Since 2.3.17.
Required Attribute
The required attribute on many UI tags defaults to true only if you have client-side validation enabled, and a validator is associated with that particular field.
Tooltip
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Form Tag Reference
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All tags that push something onto the value stack (like i18n or bean tags) will pop those objects from the stack when its processing completes. If a bean is instantiated with the bean tag ( |
- checkbox - renders a checkbox input field
- checkboxlist - renders a list of checkboxes
- combobox - renders a widget that fills a text box from a select
- datepicker - renders a date selection widget using JavaScript and DOM
- doubleselect - renders a double select widget, where the second drop down depends on the first
- head - renders the HEAD section for specific themes, such as CSS and JavaScript imports
- file - renders a file input field
- form - renders an input form
- hidden - renders a hidden form field
- label - renders renders a label
- optiontransferselect- renders an option transfer select component which is basically two select box with buttons in between allowing entries of each select to get transfer between each other.
- optgroup - render an optgroup tag to be used within a select tag
- password - renders a password textfield
- radio - renders a radio button
- reset - renders a reset form button
- select - renders a select
- submit - renders a submit button
- textarea - renders a textarea
- textfield - renders a textfield
- timepicker - renders a timepicker
- token - renders a hidden field to stop double-submission of containing forms
- updownselect - renders a select component with buttons to move the elements in the select component up and down