Spec-Zone .ru
спецификации, руководства, описания, API
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public class DefaultHighlighter extends LayeredHighlighter
Highlighter
Modifier and Type | Class and Description |
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static class |
DefaultHighlighter.DefaultHighlightPainter
Simple highlight painter that fills a highlighted area with
a solid color.
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LayeredHighlighter.LayerPainter
Highlighter.Highlight, Highlighter.HighlightPainter
Modifier and Type | Field and Description |
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static LayeredHighlighter.LayerPainter |
DefaultPainter
Default implementation of LayeredHighlighter.LayerPainter that can
be used for painting highlights.
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Constructor and Description |
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DefaultHighlighter()
Creates a new DefaultHighlighther object.
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Modifier and Type | Method and Description |
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Object |
addHighlight(int p0,
int p1,
Highlighter.HighlightPainter p)
Adds a highlight to the view.
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void |
changeHighlight(Object tag,
int p0,
int p1)
Changes a highlight.
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void |
deinstall(JTextComponent c)
Called when the UI is being removed from the interface of
a JTextComponent.
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boolean |
getDrawsLayeredHighlights() |
Highlighter.Highlight[] |
getHighlights()
Makes a copy of the highlights.
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void |
install(JTextComponent c)
Called when the UI is being installed into the
interface of a JTextComponent.
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void |
paint(Graphics g)
Renders the highlights.
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void |
paintLayeredHighlights(Graphics g,
int p0,
int p1,
Shape viewBounds,
JTextComponent editor,
View view)
When leaf Views (such as LabelView) are rendering they should
call into this method.
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void |
removeAllHighlights()
Removes all highlights.
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void |
removeHighlight(Object tag)
Removes a highlight from the view.
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void |
setDrawsLayeredHighlights(boolean newValue)
If true, highlights are drawn as the Views draw the text.
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public static final LayeredHighlighter.LayerPainter DefaultPainter
As of 1.4 this field is final.
public DefaultHighlighter()
public void paint(Graphics g)
g
- the graphics contextpublic void install(JTextComponent c)
c
- the editor componentHighlighter.install(javax.swing.text.JTextComponent)
public void deinstall(JTextComponent c)
c
- the componentHighlighter.deinstall(javax.swing.text.JTextComponent)
public Object addHighlight(int p0, int p1, Highlighter.HighlightPainter p) throws BadLocationException
p0
- the start offset of the range to highlight >= 0p1
- the end offset of the range to highlight >= p0p
- the painter to use to actually render the highlightBadLocationException
- if the specified location is invalidpublic void removeHighlight(Object tag)
tag
- the reference to the highlightpublic void removeAllHighlights()
public void changeHighlight(Object tag, int p0, int p1) throws BadLocationException
tag
- the highlight tagp0
- the beginning of the range >= 0p1
- the end of the range >= p0BadLocationException
- if the specified location is invalidpublic Highlighter.Highlight[] getHighlights()
Highlighter.getHighlights()
public void paintLayeredHighlights(Graphics g, int p0, int p1, Shape viewBounds, JTextComponent editor, View view)
paintLayeredHighlights
in class LayeredHighlighter
g
- Graphics used to drawp0
- starting offset of viewp1
- ending offset of viewviewBounds
- Bounds of Vieweditor
- JTextComponentview
- View instance being renderedpublic void setDrawsLayeredHighlights(boolean newValue)
paintLayeredHighlight
which
will result in a rectangle being drawn before the text is drawn
(if the offsets are in a highlighted region that is). For this to
work the painter supplied must be an instance of
LayeredHighlightPainter.public boolean getDrawsLayeredHighlights()
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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