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Java™ Platform Standard Ed. 6 |
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java.lang.Objectjavax.swing.text.View
javax.swing.text.CompositeView
javax.swing.text.BoxView
javax.swing.text.html.BlockView
public class BlockView
A view implementation to display a block (as a box) with CSS specifications.
| Field Summary |
|---|
| 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 | |
|---|---|
BlockView(Element elem,
int axis)
Creates a new view that represents an html box. |
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| Method Summary | |
|---|---|
protected SizeRequirements |
calculateMajorAxisRequirements(int axis,
SizeRequirements r)
Calculate the requirements of the block along the major axis (i.e. |
protected SizeRequirements |
calculateMinorAxisRequirements(int axis,
SizeRequirements r)
Calculate the requirements of the block along the minor axis (i.e. |
void |
changedUpdate(DocumentEvent changes,
Shape a,
ViewFactory f)
Gives notification from the document that attributes were changed in a location that this view is responsible for. |
float |
getAlignment(int axis)
Gets the alignment. |
AttributeSet |
getAttributes()
Fetches the attributes to use when rendering. |
float |
getMaximumSpan(int axis)
Determines the maximum span for this view along an axis. |
float |
getMinimumSpan(int axis)
Determines the minimum span for this view along an axis. |
float |
getPreferredSpan(int axis)
Determines the preferred span for this view along an axis. |
int |
getResizeWeight(int axis)
Gets the resize weight. |
protected StyleSheet |
getStyleSheet()
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protected void |
layoutMinorAxis(int targetSpan,
int axis,
int[] offsets,
int[] spans)
Performs layout for the minor axis of the box (i.e. |
void |
paint(Graphics g,
Shape allocation)
Renders using the given rendering surface and area on that surface. |
void |
setParent(View parent)
Establishes the parent view for this view. |
protected void |
setPropertiesFromAttributes()
Update any cached values that come from attributes. |
| Methods inherited from class javax.swing.text.BoxView |
|---|
baselineLayout, baselineRequirements, childAllocation, flipEastAndWestAtEnds, forwardUpdate, getAxis, getChildAllocation, getHeight, getOffset, getSpan, getViewAtPoint, getWidth, isAfter, isAllocationValid, isBefore, isLayoutValid, layout, layoutChanged, layoutMajorAxis, modelToView, paintChild, preferenceChanged, replace, setAxis, setSize, viewToModel |
| Methods inherited from class javax.swing.text.CompositeView |
|---|
getBottomInset, getInsideAllocation, getLeftInset, getNextEastWestVisualPositionFrom, getNextNorthSouthVisualPositionFrom, getNextVisualPositionFrom, getRightInset, getTopInset, getView, getViewAtPosition, getViewCount, getViewIndex, getViewIndexAtPosition, loadChildren, modelToView, setInsets, setParagraphInsets |
| Methods inherited from class javax.swing.text.View |
|---|
append, breakView, createFragment, forwardUpdateToView, getBreakWeight, getContainer, getDocument, getElement, getEndOffset, getGraphics, getParent, getStartOffset, getToolTipText, getViewFactory, getViewIndex, insert, insertUpdate, isVisible, modelToView, remove, removeAll, removeUpdate, updateChildren, updateLayout, viewToModel |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public BlockView(Element elem,
int axis)
elem - the element to create a view foraxis - either View.X_AXIS or View.Y_AXIS| Method Detail |
|---|
public void setParent(View parent)
This is implemented
to forward to the superclass as well as call the
setPropertiesFromAttributes()
method to set the paragraph properties from the css
attributes. The call is made at this time to ensure
the ability to resolve upward through the parents
view attributes.
setParent in class CompositeViewparent - the new parent, or null if the view is
being removed from a parent it was previously added
to
protected SizeRequirements calculateMajorAxisRequirements(int axis,
SizeRequirements r)
calculateMajorAxisRequirements in class BoxViewaxis - the axis being studiedr - the SizeRequirements object;
if null one will be created
SizeRequirements objectSizeRequirements
protected SizeRequirements calculateMinorAxisRequirements(int axis,
SizeRequirements r)
calculateMinorAxisRequirements in class BoxViewaxis - the axis being studiedr - the SizeRequirements object;
if null one will be created
SizeRequirements objectSizeRequirements
protected void layoutMinorAxis(int targetSpan,
int axis,
int[] offsets,
int[] spans)
layoutMinorAxis in class BoxViewtargetSpan - the total span given to the view, which
whould be used to layout the childre.axis - the axis being layed outoffsets - the offsets from the origin of the view for
each of the child views; this is a return value and is
filled in by the implementation of this methodspans - the span of each child view; this is a return
value and is filled in by the implementation of this method
public void paint(Graphics g,
Shape allocation)
paint in class BoxViewg - the rendering surface to useallocation - the allocated region to render intoView.paint(java.awt.Graphics, java.awt.Shape)public AttributeSet getAttributes()
getAttributes in class Viewpublic int getResizeWeight(int axis)
getResizeWeight in class BoxViewaxis - may be either X_AXIS or Y_AXIS
IllegalArgumentException - for an invalid axispublic float getAlignment(int axis)
getAlignment in class BoxViewaxis - may be either X_AXIS or Y_AXIS
public void changedUpdate(DocumentEvent changes,
Shape a,
ViewFactory f)
View
changedUpdate in class Viewchanges - the change information from the associated documenta - the current allocation of the viewf - the factory to use to rebuild if the view has childrenView.changedUpdate(javax.swing.event.DocumentEvent, java.awt.Shape, javax.swing.text.ViewFactory)public float getPreferredSpan(int axis)
getPreferredSpan in class BoxViewaxis - may be either View.X_AXIS
or View.Y_AXIS
IllegalArgumentException - for an invalid axis typeView.getPreferredSpan(int)public float getMinimumSpan(int axis)
getMinimumSpan in class BoxViewaxis - may be either View.X_AXIS
or View.Y_AXIS
IllegalArgumentException - for an invalid axis typeView.getPreferredSpan(int)public float getMaximumSpan(int axis)
getMaximumSpan in class BoxViewaxis - may be either View.X_AXIS
or View.Y_AXIS
IllegalArgumentException - for an invalid axis typeView.getPreferredSpan(int)protected void setPropertiesFromAttributes()
protected StyleSheet getStyleSheet()
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Java™ Platform Standard Ed. 6 |
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