org.eclipse.jface.viewers
Class StyledString
java.lang.Object
org.eclipse.jface.viewers.StyledString
-
public class StyledString
- extends
Object
A mutable string with styled ranges. All ranges mark substrings of the string
and do not overlap. Styles are applied using instances of
StyledString.Styler
to
compute the result of
getStyleRanges()
.
The styled string can be built in the following two ways:
- new strings with stylers can be appended
- stylers can by applied to ranges of the existing string
This class may be instantiated; it is not intended to be subclassed.
-
Since:
- 3.4
QUALIFIER_STYLER
public static final
StyledString.Styler QUALIFIER_STYLER
- A built-in styler using the
JFacePreferences.QUALIFIER_COLOR
managed in the JFace color registry (See
JFaceResources.getColorRegistry()
).
COUNTER_STYLER
public static final
StyledString.Styler COUNTER_STYLER
- A built-in styler using the
JFacePreferences.COUNTER_COLOR
managed in the JFace color registry (See
JFaceResources.getColorRegistry()
).
DECORATIONS_STYLER
public static final
StyledString.Styler DECORATIONS_STYLER
- A built-in styler using the
JFacePreferences.DECORATIONS_COLOR
managed in the JFace color registry (See
JFaceResources.getColorRegistry()
).
StyledString
public StyledString()
- Creates an empty
StyledString
.
StyledString
public StyledString(
String string)
- Creates an
StyledString
initialized with a string without
a style associated.
-
Parameters:
-
string
- the string
StyledString
public StyledString(
String string,
StyledString.Styler styler)
- Creates an
StyledString
initialized with a string and a
style.
-
Parameters:
-
string
- the string -
styler
- the styler for the string or null
to not
associated a styler.
createColorRegistryStyler
public static
StyledString.Styler createColorRegistryStyler(
String foregroundColorName,
String backgroundColorName)
- Creates a styler that takes the given foreground and background colors
from the JFace color registry.
-
-
Parameters:
-
foregroundColorName
- the color name for the foreground color -
backgroundColorName
- the color name for the background color
-
Returns:
- the created style
getString
public
String getString()
- Returns the string of this
StyledString
.
-
-
Returns:
- the current string of this
StyledString
.
toString
public
String toString()
- Returns the string of this
StyledString
.
-
-
Overrides:
-
toString
in class
Object
-
-
Returns:
- the current string of this
StyledString
.
length
public int length()
- Returns the length of the string of this
StyledString
.
-
-
Returns:
- the length of the current string
append
public
StyledString append(
String string)
- Appends a string to the
StyledString
. The appended string
will have no associated styler.
-
-
Parameters:
-
string
- the string to append
-
Returns:
- returns a reference to this object
append
public
StyledString append(char[] chars)
- Appends the string representation of the given character array
to the
StyledString
. The appended
character array will have no associated styler.
-
-
Parameters:
-
chars
- the character array to append
-
Returns:
- returns a reference to this object
append
public
StyledString append(char ch)
- Appends the string representation of the given character
to the
StyledString
. The appended
character will have no associated styler.
-
-
Parameters:
-
ch
- the character to append
-
Returns:
- returns a reference to this object
append
public
StyledString append(
StyledString string)
- Appends a string with styles to the
StyledString
.
-
-
Parameters:
-
string
- the string to append
-
Returns:
- returns a reference to this object
append
public
StyledString append(char ch,
StyledString.Styler styler)
- Appends the string representation of the given character
with a style to the
StyledString
. The
appended character will have the given style associated.
-
-
Parameters:
-
ch
- the character to append -
styler
- the styler to use for styling the character to append or
null
if no styler should be associated with the
appended character
-
Returns:
- returns a reference to this object
append
public
StyledString append(
String string,
StyledString.Styler styler)
- Appends a string with a style to the
StyledString
. The
appended string will be styled using the given styler.
-
-
Parameters:
-
string
- the string to append -
styler
- the styler to use for styling the string to append or
null
if no styler should be associated with the
appended string.
-
Returns:
- returns a reference to this object
append
public
StyledString append(char[] chars,
StyledString.Styler styler)
- Appends the string representation of the given character array
with a style to the
StyledString
. The
appended character array will be styled using the given styler.
-
-
Parameters:
-
chars
- the character array to append -
styler
- the styler to use for styling the character array to append or
null
if no styler should be associated with the
appended character array
-
Returns:
- returns a reference to this object
insert
public
StyledString insert(char ch,
int offset)
throws
StringIndexOutOfBoundsException
- Inserts the character at the given offset. The inserted character will
get the styler that is already at the given offset.
-
-
Parameters:
-
ch
- the character to insert -
offset
- the insertion index
-
Returns:
- returns a reference to this object
-
Throws:
-
StringIndexOutOfBoundsException
- if offset
is less than zero, or if offset
is greater than the length of this object -
Since:
- 3.5
setStyle
public void setStyle(int offset,
int length,
StyledString.Styler styler)
throws
StringIndexOutOfBoundsException
- Sets a styler to use for the given source range. The range must be
subrange of actual string of this
StyledString
. Stylers
previously set for that range will be overwritten.
-
-
Parameters:
-
offset
- the start offset of the range -
length
- the length of the range -
styler
- the styler to set
-
Throws:
-
StringIndexOutOfBoundsException
- if start
is less than zero, or if offset plus
length is greater than the length of this object.
getStyleRanges
public
StyleRange[] getStyleRanges()
- Returns an array of
StyleRange
resulting from applying all
associated stylers for this string builder.
-
-
Returns:
- an array of all
StyleRange
resulting from applying the
stored stylers to this string.
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