Difference between revisions of "XML Attribute"
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XML uses named attributes to specify additional info for an element. The XML syntax doesn't specify what attributes are possible, only that they be given as ''AttributeName="Value"'' in the opening tag of an element. Oblivion XML recognizes only three true XML attributes: '''name''', '''src''', and '''trait'''. | XML uses named attributes to specify additional info for an element. The XML syntax doesn't specify what attributes are possible, only that they be given as ''AttributeName="Value"'' in the opening tag of an element. Oblivion XML recognizes only three true XML attributes: '''name''', '''src''', and '''trait'''. | ||
The '''name''' attribute provides a way to identify elements in a menu file. This attribute is used only for [[Object Element]]s - property or operator elements are never named. The name of an element need not be unique within the entire menu, but every element should at least have a different name from it's siblings (as discussed below). | The '''name''' attribute provides a way to identify elements in a menu file. This attribute is used only for [[Object Element]]s - property or operator elements are never named. The name of an element need not be unique within the entire menu, but every element should at least have a different name from it's siblings (as discussed below). | ||
& | <!-- the 'name' attribute of this element has the value "PictureFrame" --> | ||
<rect name="PictureFrame"> </rect> | |||
The '''src''' and '''trait''' attributes are always provided together (except for the special case of the [[Include Element]]). They are used only in empty Operator elements, to specify the value used by the operator: | The '''src''' and '''trait''' attributes are always provided together (except for the special case of the [[Include Element]]). They are used only in empty Operator elements, to specify the value used by the operator: | ||
The '''src''' attribute can refer to any [[Object Element]] by it's name, or can use one of the "relative" sources: | The '''src''' attribute can refer to any [[Object Element]] by it's name, or can use one of the "relative" sources: | ||
*'''Me()''' - the object whose property the operator is modifying. | *'''Me()''' - the object whose property the operator is modifying. | ||
*'''Parent()''' - the parent of Me(), that is the element of which Me() is a child. | *'''Parent()''' - the parent of Me(), that is the element of which Me() is a child. | ||
*'''Sibling(''SiblingName'')''' - a the siblings of Me(), that is the elements that are also children of Parent(). The name of the sibling can be provided as an argument - this is why no | *'''Sibling(''SiblingName'')''' - a the siblings of Me(), that is the elements that are also children of Parent(). The name of the sibling can be provided as an argument - this is why no two siblings should have the same name. When omitted it will use the sibling that came before it - the one that was defined above it in the XML (doesn't work for the very first element). | ||
*'''Child(''ChildName'')''' - a child object of Me(). Again, the name must be specified. The search for ''ChildName'' isn't restricted to direct children - it also includes children of children, and their children, and so on. If multiple children with the same name exist the last one specified in the xml is used. | *'''Child(''ChildName'')''' - a child object of Me(). Again, the name must be specified. The search for ''ChildName'' isn't restricted to direct children - it also includes children of children, and their children, and so on. If multiple children with the same name exist the last one specified in the xml is used. | ||
The '''trait''' attribute can refer to any [[Property Element]] (or "trait") of the source. The current value of the property is used as value of the operator. | The '''trait''' attribute can refer to any [[Property Element]] (or "trait") of the source. The current value of the property is used as value of the operator. | ||
<image> | |||
<x> | |||
<!-- The Add Operator gets its value from the Width Property/Trait of SomeElement.--> | |||
<!-- The result is to add SomeElement's width to the current x value of this image --> | |||
<add src="SomeElement" trait="width" /> | |||
</x> | |||
</image> | |||
[[Category:Oblivion XML]] | [[Category:Oblivion XML]] |