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Interface com.sun.java.swing.text.StyledDocument

public interface StyledDocument

extends Document

addStyle(String, Style)

Adds a new style into the logical style hierarchy.

getBackground(AttributeSet)

Takes a set of attributes and turn it into a color specification.

getCharacterElement(int)

Gets the element that represents the character that is at the given offset within the document.

getFont(AttributeSet)

Takes a set of attributes and turn it into a font specification.

getForeground(AttributeSet)

Takes a set of attributes and turn it into a color specification.

getLogicalStyle(int)

Gets a logical style for a given position in a paragraph.

getParagraphElement(int)

Gets the element that represents the paragraph that encloses the given offset within the document.

getStyle(String)

Fetches a named style previously added.

removeStyle(String)

Removes a named style previously added to the document.

setCharacterAttributes(int, int, AttributeSet, boolean)

Changes the content element attributes used for the given range of existing content in the document.

setLogicalStyle(int, Style)

Sets the logical style to use for the paragraph at the given position.

setParagraphAttributes(int, int, AttributeSet, boolean)

Sets paragraph attributes.

 public abstract Style addStyle(String nm,
                                Style parent)

Adds a new style into the logical style hierarchy. Style attributes resolve from bottom up so an attribute specified in a child will override an attribute specified in the parent.

Parameters:

nm - the name of the style (must be unique within the collection of named styles). The name may be null if the style is unnamed, but the caller is responsible for managing the reference returned as an unnamed style can't be fetched by name. An unnamed style may be useful for things like character attribute overrides such as found in a style run.

parent - the parent style. This may be null if unspecified attributes need not be resolved in some other style.

Returns:

the style

 public abstract void removeStyle(String nm)

Removes a named style previously added to the document.

Parameters:

nm - the name of the style to remove

 public abstract Style getStyle(String nm)

Fetches a named style previously added.

Parameters:

nm - the name of the style

Returns:

the style

 public abstract void setCharacterAttributes(int offset,
                                             int length,
                                             AttributeSet s,
                                             boolean replace)

Changes the content element attributes used for the given range of existing content in the document. All of the attributes defined in the given Attributes argument are applied to the given range. This method can be used to completely remove all content level attributes for the given range by giving an Attributes argument that has no attributes defined and setting replace to true.

Parameters:

offset - the start of the change

length - the length of the change

s - the attributes to change to. Any attributes defined will be applied to the text for the given range.

replace - indicates whether or not the previous attributes should be cleared before the new attributes as set. If true, the operation will replace the previous attributes entirely. If false, the new attributes will be merged with the previous attributes.

 public abstract void setParagraphAttributes(int offset,
                                             int length,
                                             AttributeSet s,
                                             boolean replace)

Sets paragraph attributes.

Parameters:

offset - the start of the change

length - the length of the change

s - the attributes to change to. Any attributes defined will be applied to the text for the given range.

replace - indicates whether or not the previous attributes should be cleared before the new attributes as set. If true, the operation will replace the previous attributes entirely. If false, the new attributes will be merged with the previous attributes.

 public abstract void setLogicalStyle(int pos,
                                      Style s)

Sets the logical style to use for the paragraph at the given position. If attributes aren't explicitly set for character and paragraph attributes they will resolve through the logical style assigned to the paragraph, which in turn may resolve through some hierarchy completely independent of the element hierarchy in the document.

Parameters:

pos - the starting position

s - the style to set

 public abstract Style getLogicalStyle(int p)

Gets a logical style for a given position in a paragraph.

Parameters:

p - the position

Returns:

the style

 public abstract Element getParagraphElement(int pos)

Gets the element that represents the paragraph that encloses the given offset within the document.

Parameters:

pos - the offset

Returns:

the element

 public abstract Element getCharacterElement(int pos)

Gets the element that represents the character that is at the given offset within the document.

Parameters:

pos - the offset

Returns:

the element

 public abstract Color getForeground(AttributeSet attr)

Takes a set of attributes and turn it into a color specification. This might be used to specify things like brighter, more hue, etc.

Parameters:

attr - the set of attributes

Returns:

the color

 public abstract Color getBackground(AttributeSet attr)

Takes a set of attributes and turn it into a color specification. This might be used to specify things like brighter, more hue, etc.

Parameters:

attr - the set of attributes

Returns:

the color

 public abstract Font getFont(AttributeSet attr)

Takes a set of attributes and turn it into a font specification. This can be used to turn things like family, style, size, etc into a font that is available on the system the document is currently being used on.

Parameters:

attr - the set of attributes

Returns:

the font

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