| java.lang.Object
 javax.swing.text.View
javax.swing.text.PlainView
javax.swing.text.FieldView
All known Subclasses: javax.swing.text.PasswordView,
| FieldView | | public class FieldView extends PlainView (Code) | | Extends the multi-line plain text view to be suitable
for a single-line editor view. If the view is
allocated extra space, the field must adjust for it.
If the hosting component is a JTextField, this view
will manage the ranges of the associated BoundedRangeModel
and will adjust the horizontal allocation to match the
current visibility settings of the JTextField.
author:
Timothy Prinzing
version:
1.33 05/05/07
See Also: View |
| Constructor Summary | |
| public | FieldView(Element elem)
Constructs a new FieldView wrapped on an element. |
| Method Summary | |
| protected Shape | adjustAllocation(Shape a)
Adjusts the allocation given to the view
to be a suitable allocation for a text field.
If the view has been allocated more than the
preferred span vertically, the allocation is
changed to be centered vertically. | | Shape | adjustPaintRegion(Shape a)
Adjusts a based on the visible region and returns it. | | protected FontMetrics | getFontMetrics()
Fetches the font metrics associated with the component hosting
this view. | | public float | getPreferredSpan(int axis)
Determines the preferred span for this view along an
axis.
Parameters:
axis - may be either View.X_AXIS or View.Y_AXIS the span the view would like to be rendered into >= 0.Typically the view is told to render into the spanthat is returned, although there is no guarantee. | | public int | getResizeWeight(int axis)
Determines the resizability of the view along the
given axis. | | public void | insertUpdate(DocumentEvent changes, Shape a, ViewFactory f)
Gives notification that something was inserted into the document
in a location that this view is responsible for. | | public Shape | modelToView(int pos, Shape a, Position.Bias b)
Provides a mapping from the document model coordinate space
to the coordinate space of the view mapped to it. | | public void | paint(Graphics g, Shape a)
Renders using the given rendering surface and area on that surface. | | public void | removeUpdate(DocumentEvent changes, Shape a, ViewFactory f)
Gives notification that something was removed from the document
in a location that this view is responsible for. | | void | updateVisibilityModel()
Update the visibility model with the associated JTextField
(if there is one) to reflect the current visibility as a
result of changes to the document model. | | public int | viewToModel(float fx, float fy, Shape a, Position.Bias[] bias)
Provides a mapping from the view coordinate space to the logical
coordinate space of the model. |
| FieldView | | public FieldView(Element elem)(Code) | | Constructs a new FieldView wrapped on an element.
Parameters:
elem - the element |
| adjustAllocation | | protected Shape adjustAllocation(Shape a)(Code) | | Adjusts the allocation given to the view
to be a suitable allocation for a text field.
If the view has been allocated more than the
preferred span vertically, the allocation is
changed to be centered vertically. Horizontally
the view is adjusted according to the horizontal
alignment property set on the associated JTextField
(if that is the type of the hosting component).
Parameters:
a - the allocation given to the view, which may needto be adjusted. the allocation that the superclass should use. |
| adjustPaintRegion | | Shape adjustPaintRegion(Shape a)(Code) | | Adjusts a based on the visible region and returns it.
|
| getFontMetrics | | protected FontMetrics getFontMetrics()(Code) | | Fetches the font metrics associated with the component hosting
this view.
the metrics |
| getPreferredSpan | | public float getPreferredSpan(int axis)(Code) | | Determines the preferred span for this view along an
axis.
Parameters:
axis - may be either View.X_AXIS or View.Y_AXIS the span the view would like to be rendered into >= 0.Typically the view is told to render into the spanthat is returned, although there is no guarantee. The parent may choose to resize or break the view. |
| getResizeWeight | | public int getResizeWeight(int axis)(Code) | | Determines the resizability of the view along the
given axis. A value of 0 or less is not resizable.
Parameters:
axis - View.X_AXIS or View.Y_AXIS the weight -> 1 for View.X_AXIS, else 0 |
| insertUpdate | | public void insertUpdate(DocumentEvent changes, Shape a, ViewFactory f)(Code) | | Gives notification that something was inserted into the document
in a location that this view is responsible for.
Parameters:
changes - the change information from the associated document
Parameters:
a - the current allocation of the view
Parameters:
f - the factory to use to rebuild if the view has children
See Also: View.insertUpdate |
| modelToView | | public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException(Code) | | Provides a mapping from the document model coordinate space
to the coordinate space of the view mapped to it.
Parameters:
pos - the position to convert >= 0
Parameters:
a - the allocated region to render into the bounding box of the given position
exception:
BadLocationException - if the given position does notrepresent a valid location in the associated document
See Also: View.modelToView |
| paint | | public void paint(Graphics g, Shape a)(Code) | | Renders using the given rendering surface and area on that surface.
The view may need to do layout and create child views to enable
itself to render into the given allocation.
Parameters:
g - the rendering surface to use
Parameters:
a - the allocated region to render into
See Also: View.paint |
| removeUpdate | | public void removeUpdate(DocumentEvent changes, Shape a, ViewFactory f)(Code) | | Gives notification that something was removed from the document
in a location that this view is responsible for.
Parameters:
changes - the change information from the associated document
Parameters:
a - the current allocation of the view
Parameters:
f - the factory to use to rebuild if the view has children
See Also: View.removeUpdate |
| updateVisibilityModel | | void updateVisibilityModel()(Code) | | Update the visibility model with the associated JTextField
(if there is one) to reflect the current visibility as a
result of changes to the document model. The bounded
range properties are updated. If the view hasn't yet been
shown the extent will be zero and we just set it to be full
until determined otherwise.
|
| viewToModel | | public int viewToModel(float fx, float fy, Shape a, Position.Bias[] bias)(Code) | | Provides a mapping from the view coordinate space to the logical
coordinate space of the model.
Parameters:
fx - the X coordinate >= 0.0f
Parameters:
fy - the Y coordinate >= 0.0f
Parameters:
a - the allocated region to render into the location within the model that best represents thegiven point in the view
See Also: View.viewToModel |
| Methods inherited from javax.swing.text.PlainView | Shape adjustPaintRegion(Shape a)(Code)(Java Doc)
public void changedUpdate(DocumentEvent changes, Shape a, ViewFactory f)(Code)(Java Doc)
protected void damageLineRange(int line0, int line1, Shape a, Component host)(Code)(Java Doc)
protected void drawLine(int lineIndex, Graphics g, int x, int y)(Code)(Java Doc)
protected int drawSelectedText(Graphics g, int x, int y, int p0, int p1) throws BadLocationException(Code)(Java Doc)
protected int drawUnselectedText(Graphics g, int x, int y, int p0, int p1) throws BadLocationException(Code)(Java Doc)
final protected Segment getLineBuffer()(Code)(Java Doc)
public float getPreferredSpan(int axis)(Code)(Java Doc)
protected int getTabSize()(Code)(Java Doc)
public void insertUpdate(DocumentEvent changes, Shape a, ViewFactory f)(Code)(Java Doc)
protected Rectangle lineToRect(Shape a, int line)(Code)(Java Doc)
public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException(Code)(Java Doc)
public float nextTabStop(float x, int tabOffset)(Code)(Java Doc)
public void paint(Graphics g, Shape a)(Code)(Java Doc)
public void removeUpdate(DocumentEvent changes, Shape a, ViewFactory f)(Code)(Java Doc)
public void setSize(float width, float height)(Code)(Java Doc)
protected void updateDamage(DocumentEvent changes, Shape a, ViewFactory f)(Code)(Java Doc)
protected void updateMetrics()(Code)(Java Doc)
public int viewToModel(float fx, float fy, Shape a, Position.Bias[] bias)(Code)(Java Doc)
|
| Methods inherited from javax.swing.text.View | public void append(View v)(Code)(Java Doc)
public View breakView(int axis, int offset, float pos, float len)(Code)(Java Doc)
public void changedUpdate(DocumentEvent e, Shape a, ViewFactory f)(Code)(Java Doc)
public View createFragment(int p0, int p1)(Code)(Java Doc)
protected void forwardUpdate(DocumentEvent.ElementChange ec, DocumentEvent e, Shape a, ViewFactory f)(Code)(Java Doc)
protected void forwardUpdateToView(View v, DocumentEvent e, Shape a, ViewFactory f)(Code)(Java Doc)
public float getAlignment(int axis)(Code)(Java Doc)
public AttributeSet getAttributes()(Code)(Java Doc)
public int getBreakWeight(int axis, float pos, float len)(Code)(Java Doc)
public Shape getChildAllocation(int index, Shape a)(Code)(Java Doc)
public Container getContainer()(Code)(Java Doc)
public Document getDocument()(Code)(Java Doc)
public Element getElement()(Code)(Java Doc)
public int getEndOffset()(Code)(Java Doc)
public Graphics getGraphics()(Code)(Java Doc)
public float getMaximumSpan(int axis)(Code)(Java Doc)
public float getMinimumSpan(int axis)(Code)(Java Doc)
public int getNextVisualPositionFrom(int pos, Position.Bias b, Shape a, int direction, Position.Bias[] biasRet) throws BadLocationException(Code)(Java Doc)
public View getParent()(Code)(Java Doc)
abstract public float getPreferredSpan(int axis)(Code)(Java Doc)
public int getResizeWeight(int axis)(Code)(Java Doc)
public int getStartOffset()(Code)(Java Doc)
public String getToolTipText(float x, float y, Shape allocation)(Code)(Java Doc)
public View getView(int n)(Code)(Java Doc)
public int getViewCount()(Code)(Java Doc)
public ViewFactory getViewFactory()(Code)(Java Doc)
public int getViewIndex(int pos, Position.Bias b)(Code)(Java Doc)
public int getViewIndex(float x, float y, Shape allocation)(Code)(Java Doc)
public void insert(int offs, View v)(Code)(Java Doc)
public void insertUpdate(DocumentEvent e, Shape a, ViewFactory f)(Code)(Java Doc)
public boolean isVisible()(Code)(Java Doc)
abstract public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException(Code)(Java Doc)
public Shape modelToView(int p0, Position.Bias b0, int p1, Position.Bias b1, Shape a) throws BadLocationException(Code)(Java Doc)
public Shape modelToView(int pos, Shape a) throws BadLocationException(Code)(Java Doc)
abstract public void paint(Graphics g, Shape allocation)(Code)(Java Doc)
public void preferenceChanged(View child, boolean width, boolean height)(Code)(Java Doc)
public void remove(int i)(Code)(Java Doc)
public void removeAll()(Code)(Java Doc)
public void removeUpdate(DocumentEvent e, Shape a, ViewFactory f)(Code)(Java Doc)
public void replace(int offset, int length, View[] views)(Code)(Java Doc)
public void setParent(View parent)(Code)(Java Doc)
public void setSize(float width, float height)(Code)(Java Doc)
protected boolean updateChildren(DocumentEvent.ElementChange ec, DocumentEvent e, ViewFactory f)(Code)(Java Doc)
protected void updateLayout(DocumentEvent.ElementChange ec, DocumentEvent e, Shape a)(Code)(Java Doc)
abstract public int viewToModel(float x, float y, Shape a, Position.Bias[] biasReturn)(Code)(Java Doc)
public int viewToModel(float x, float y, Shape a)(Code)(Java Doc)
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