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javax.swing.text
Class WrappedPlainView.WrappedLine  

java.lang.Object
  javax.swing.text.View
      javax.swing.text.WrappedPlainView.WrappedLine

All Implemented Interfaces:

javax.swing.SwingConstants

Enclosing class:

WrappedPlainView

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class WrappedPlainView.WrappedLine

extends View

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Field Summary
(package private)  int	numLines           Used to cache the number of lines for this View

 

Fields inherited from class javax.swing.text.View

BadBreakWeight, ExcellentBreakWeight, ForcedBreakWeight, GoodBreakWeight, X_AXIS, Y_AXIS

 

Fields inherited from interface javax.swing.SwingConstants

BOTTOM, CENTER, EAST, HORIZONTAL, LEADING, LEFT, NEXT, NORTH, NORTH_EAST, NORTH_WEST, PREVIOUS, RIGHT, SOUTH, SOUTH_EAST, SOUTH_WEST, TOP, TRAILING, VERTICAL, WEST

 

Constructor Summary

WrappedPlainView.WrappedLine(Element elem)

 

Method Summary
(package private)  void	determineNumLines()           Calculates the number of logical lines that the Element needs to be displayed and updates the variable numLines accordingly.
float	getPreferredSpan(int axis)           Determines the preferred span for this view along the given axis.
void	insertUpdate(javax.swing.event.DocumentEvent changes, java.awt.Shape a, ViewFactory f)           This method is called when something is inserted into the Document that this View is displaying.
java.awt.Shape	modelToView(int pos, java.awt.Shape a, Position.Bias b)           Provides a mapping from model space to view space.
void	paint(java.awt.Graphics g, java.awt.Shape s)           Renders this (possibly wrapped) line using the given Graphics object and on the given rendering surface.
void	removeUpdate(javax.swing.event.DocumentEvent changes, java.awt.Shape a, ViewFactory f)           This method is called when something is removed from the Document that this View is displaying.
(package private)  void	updateDamage(java.awt.Rectangle a)           This method is called from insertUpdate and removeUpdate.
int	viewToModel(float x, float y, java.awt.Shape a, Position.Bias[] b)           Provides a mapping from view space to model space.

 

Methods inherited from class javax.swing.text.View

append, breakView, changedUpdate, createFragment, dump, dump, forwardUpdate, forwardUpdateToView, getAlignment, getAttributes, getBreakWeight, getChildAllocation, getContainer, getDocument, getElement, getEndOffset, getGraphics, getMaximumSpan, getMinimumSpan, getNextVisualPositionFrom, getParent, getResizeWeight, getStartOffset, getToolTipText, getView, getViewCount, getViewFactory, getViewIndex, getViewIndex, insert, isVisible, modelToView, modelToView, preferenceChanged, remove, removeAll, replace, setParent, setSize, updateChildren, updateLayout, viewToModel

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

numLines

int numLines

Used to cache the number of lines for this View

Constructor Detail

WrappedPlainView.WrappedLine

public WrappedPlainView.WrappedLine(Element elem)

Method Detail

paint

public void paint(java.awt.Graphics g,
                  java.awt.Shape s)

Renders this (possibly wrapped) line using the given Graphics object and on the given rendering surface.

Specified by:

paint in class View

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determineNumLines

void determineNumLines()

Calculates the number of logical lines that the Element needs to be displayed and updates the variable numLines accordingly.

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getPreferredSpan

public float getPreferredSpan(int axis)

Determines the preferred span for this view along the given axis.

Specified by:

getPreferredSpan in class View

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modelToView

public java.awt.Shape modelToView(int pos,
                                  java.awt.Shape a,
                                  Position.Bias b)
                           throws BadLocationException

Provides a mapping from model space to view space.

Specified by:

modelToView in class View

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viewToModel

public int viewToModel(float x,
                       float y,
                       java.awt.Shape a,
                       Position.Bias[] b)

Provides a mapping from view space to model space.

Specified by:

viewToModel in class View

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updateDamage

void updateDamage(java.awt.Rectangle a)

This method is called from insertUpdate and removeUpdate.

If the number of lines in the document has changed, just repaint the whole thing (note, could improve performance by not repainting anything above the changes). If the number of lines hasn't changed, just repaint the given Rectangle.

Note that the Rectangle argument may be null when the allocation area is empty.

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insertUpdate

public void insertUpdate(javax.swing.event.DocumentEvent changes,
                         java.awt.Shape a,
                         ViewFactory f)

This method is called when something is inserted into the Document that this View is displaying.

Overrides:

insertUpdate in class View

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removeUpdate

public void removeUpdate(javax.swing.event.DocumentEvent changes,
                         java.awt.Shape a,
                         ViewFactory f)

This method is called when something is removed from the Document that this View is displaying.

Overrides:

removeUpdate in class View

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