/*
* Copyright (c) 1995, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.awt;
The GridBagConstraints
class specifies constraints
for components that are laid out using the
GridBagLayout
class.
Author: Doug Stein, Bill Spitzak (orignial NeWS & OLIT implementation) See Also: Since: JDK1.0
/**
* The <code>GridBagConstraints</code> class specifies constraints
* for components that are laid out using the
* <code>GridBagLayout</code> class.
*
* @author Doug Stein
* @author Bill Spitzak (orignial NeWS & OLIT implementation)
* @see java.awt.GridBagLayout
* @since JDK1.0
*/
public class GridBagConstraints implements Cloneable, java.io.Serializable {
Specifies that this component is the next-to-last component in its
column or row (gridwidth
, gridheight
),
or that this component be placed next to the previously added
component (gridx
, gridy
).
See Also: - gridwidth.gridwidth
- gridheight
- gridx
- gridy
/**
* Specifies that this component is the next-to-last component in its
* column or row (<code>gridwidth</code>, <code>gridheight</code>),
* or that this component be placed next to the previously added
* component (<code>gridx</code>, <code>gridy</code>).
* @see java.awt.GridBagConstraints#gridwidth
* @see java.awt.GridBagConstraints#gridheight
* @see java.awt.GridBagConstraints#gridx
* @see java.awt.GridBagConstraints#gridy
*/
public static final int RELATIVE = -1;
Specifies that this component is the
last component in its column or row.
/**
* Specifies that this component is the
* last component in its column or row.
*/
public static final int REMAINDER = 0;
Do not resize the component.
/**
* Do not resize the component.
*/
public static final int NONE = 0;
Resize the component both horizontally and vertically.
/**
* Resize the component both horizontally and vertically.
*/
public static final int BOTH = 1;
Resize the component horizontally but not vertically.
/**
* Resize the component horizontally but not vertically.
*/
public static final int HORIZONTAL = 2;
Resize the component vertically but not horizontally.
/**
* Resize the component vertically but not horizontally.
*/
public static final int VERTICAL = 3;
Put the component in the center of its display area.
/**
* Put the component in the center of its display area.
*/
public static final int CENTER = 10;
Put the component at the top of its display area,
centered horizontally.
/**
* Put the component at the top of its display area,
* centered horizontally.
*/
public static final int NORTH = 11;
Put the component at the top-right corner of its display area.
/**
* Put the component at the top-right corner of its display area.
*/
public static final int NORTHEAST = 12;
Put the component on the right side of its display area,
centered vertically.
/**
* Put the component on the right side of its display area,
* centered vertically.
*/
public static final int EAST = 13;
Put the component at the bottom-right corner of its display area.
/**
* Put the component at the bottom-right corner of its display area.
*/
public static final int SOUTHEAST = 14;
Put the component at the bottom of its display area, centered
horizontally.
/**
* Put the component at the bottom of its display area, centered
* horizontally.
*/
public static final int SOUTH = 15;
Put the component at the bottom-left corner of its display area.
/**
* Put the component at the bottom-left corner of its display area.
*/
public static final int SOUTHWEST = 16;
Put the component on the left side of its display area,
centered vertically.
/**
* Put the component on the left side of its display area,
* centered vertically.
*/
public static final int WEST = 17;
Put the component at the top-left corner of its display area.
/**
* Put the component at the top-left corner of its display area.
*/
public static final int NORTHWEST = 18;
Place the component centered along the edge of its display area
associated with the start of a page for the current
ComponentOrienation
. Equal to NORTH for horizontal
orientations.
/**
* Place the component centered along the edge of its display area
* associated with the start of a page for the current
* <code>ComponentOrienation</code>. Equal to NORTH for horizontal
* orientations.
*/
public static final int PAGE_START = 19;
Place the component centered along the edge of its display area
associated with the end of a page for the current
ComponentOrienation
. Equal to SOUTH for horizontal
orientations.
/**
* Place the component centered along the edge of its display area
* associated with the end of a page for the current
* <code>ComponentOrienation</code>. Equal to SOUTH for horizontal
* orientations.
*/
public static final int PAGE_END = 20;
Place the component centered along the edge of its display area where
lines of text would normally begin for the current
ComponentOrienation
. Equal to WEST for horizontal,
left-to-right orientations and EAST for horizontal, right-to-left
orientations.
/**
* Place the component centered along the edge of its display area where
* lines of text would normally begin for the current
* <code>ComponentOrienation</code>. Equal to WEST for horizontal,
* left-to-right orientations and EAST for horizontal, right-to-left
* orientations.
*/
public static final int LINE_START = 21;
Place the component centered along the edge of its display area where
lines of text would normally end for the current
ComponentOrienation
. Equal to EAST for horizontal,
left-to-right orientations and WEST for horizontal, right-to-left
orientations.
/**
* Place the component centered along the edge of its display area where
* lines of text would normally end for the current
* <code>ComponentOrienation</code>. Equal to EAST for horizontal,
* left-to-right orientations and WEST for horizontal, right-to-left
* orientations.
*/
public static final int LINE_END = 22;
Place the component in the corner of its display area where
the first line of text on a page would normally begin for the current
ComponentOrienation
. Equal to NORTHWEST for horizontal,
left-to-right orientations and NORTHEAST for horizontal, right-to-left
orientations.
/**
* Place the component in the corner of its display area where
* the first line of text on a page would normally begin for the current
* <code>ComponentOrienation</code>. Equal to NORTHWEST for horizontal,
* left-to-right orientations and NORTHEAST for horizontal, right-to-left
* orientations.
*/
public static final int FIRST_LINE_START = 23;
Place the component in the corner of its display area where
the first line of text on a page would normally end for the current
ComponentOrienation
. Equal to NORTHEAST for horizontal,
left-to-right orientations and NORTHWEST for horizontal, right-to-left
orientations.
/**
* Place the component in the corner of its display area where
* the first line of text on a page would normally end for the current
* <code>ComponentOrienation</code>. Equal to NORTHEAST for horizontal,
* left-to-right orientations and NORTHWEST for horizontal, right-to-left
* orientations.
*/
public static final int FIRST_LINE_END = 24;
Place the component in the corner of its display area where
the last line of text on a page would normally start for the current
ComponentOrienation
. Equal to SOUTHWEST for horizontal,
left-to-right orientations and SOUTHEAST for horizontal, right-to-left
orientations.
/**
* Place the component in the corner of its display area where
* the last line of text on a page would normally start for the current
* <code>ComponentOrienation</code>. Equal to SOUTHWEST for horizontal,
* left-to-right orientations and SOUTHEAST for horizontal, right-to-left
* orientations.
*/
public static final int LAST_LINE_START = 25;
Place the component in the corner of its display area where
the last line of text on a page would normally end for the current
ComponentOrienation
. Equal to SOUTHEAST for horizontal,
left-to-right orientations and SOUTHWEST for horizontal, right-to-left
orientations.
/**
* Place the component in the corner of its display area where
* the last line of text on a page would normally end for the current
* <code>ComponentOrienation</code>. Equal to SOUTHEAST for horizontal,
* left-to-right orientations and SOUTHWEST for horizontal, right-to-left
* orientations.
*/
public static final int LAST_LINE_END = 26;
Possible value for the anchor
field. Specifies
that the component should be horizontally centered and
vertically aligned along the baseline of the prevailing row.
If the component does not have a baseline it will be vertically
centered.
Since: 1.6
/**
* Possible value for the <code>anchor</code> field. Specifies
* that the component should be horizontally centered and
* vertically aligned along the baseline of the prevailing row.
* If the component does not have a baseline it will be vertically
* centered.
*
* @since 1.6
*/
public static final int BASELINE = 0x100;
Possible value for the anchor
field. Specifies
that the component should be horizontally placed along the
leading edge. For components with a left-to-right orientation,
the leading edge is the left edge. Vertically the component is
aligned along the baseline of the prevailing row. If the
component does not have a baseline it will be vertically
centered.
Since: 1.6
/**
* Possible value for the <code>anchor</code> field. Specifies
* that the component should be horizontally placed along the
* leading edge. For components with a left-to-right orientation,
* the leading edge is the left edge. Vertically the component is
* aligned along the baseline of the prevailing row. If the
* component does not have a baseline it will be vertically
* centered.
*
* @since 1.6
*/
public static final int BASELINE_LEADING = 0x200;
Possible value for the anchor
field. Specifies
that the component should be horizontally placed along the
trailing edge. For components with a left-to-right
orientation, the trailing edge is the right edge. Vertically
the component is aligned along the baseline of the prevailing
row. If the component does not have a baseline it will be
vertically centered.
Since: 1.6
/**
* Possible value for the <code>anchor</code> field. Specifies
* that the component should be horizontally placed along the
* trailing edge. For components with a left-to-right
* orientation, the trailing edge is the right edge. Vertically
* the component is aligned along the baseline of the prevailing
* row. If the component does not have a baseline it will be
* vertically centered.
*
* @since 1.6
*/
public static final int BASELINE_TRAILING = 0x300;
Possible value for the anchor
field. Specifies
that the component should be horizontally centered. Vertically
the component is positioned so that its bottom edge touches
the baseline of the starting row. If the starting row does not
have a baseline it will be vertically centered.
Since: 1.6
/**
* Possible value for the <code>anchor</code> field. Specifies
* that the component should be horizontally centered. Vertically
* the component is positioned so that its bottom edge touches
* the baseline of the starting row. If the starting row does not
* have a baseline it will be vertically centered.
*
* @since 1.6
*/
public static final int ABOVE_BASELINE = 0x400;
Possible value for the anchor
field. Specifies
that the component should be horizontally placed along the
leading edge. For components with a left-to-right orientation,
the leading edge is the left edge. Vertically the component is
positioned so that its bottom edge touches the baseline of the
starting row. If the starting row does not have a baseline it
will be vertically centered.
Since: 1.6
/**
* Possible value for the <code>anchor</code> field. Specifies
* that the component should be horizontally placed along the
* leading edge. For components with a left-to-right orientation,
* the leading edge is the left edge. Vertically the component is
* positioned so that its bottom edge touches the baseline of the
* starting row. If the starting row does not have a baseline it
* will be vertically centered.
*
* @since 1.6
*/
public static final int ABOVE_BASELINE_LEADING = 0x500;
Possible value for the anchor
field. Specifies
that the component should be horizontally placed along the
trailing edge. For components with a left-to-right
orientation, the trailing edge is the right edge. Vertically
the component is positioned so that its bottom edge touches
the baseline of the starting row. If the starting row does not
have a baseline it will be vertically centered.
Since: 1.6
/**
* Possible value for the <code>anchor</code> field. Specifies
* that the component should be horizontally placed along the
* trailing edge. For components with a left-to-right
* orientation, the trailing edge is the right edge. Vertically
* the component is positioned so that its bottom edge touches
* the baseline of the starting row. If the starting row does not
* have a baseline it will be vertically centered.
*
* @since 1.6
*/
public static final int ABOVE_BASELINE_TRAILING = 0x600;
Possible value for the anchor
field. Specifies
that the component should be horizontally centered. Vertically
the component is positioned so that its top edge touches the
baseline of the starting row. If the starting row does not
have a baseline it will be vertically centered.
Since: 1.6
/**
* Possible value for the <code>anchor</code> field. Specifies
* that the component should be horizontally centered. Vertically
* the component is positioned so that its top edge touches the
* baseline of the starting row. If the starting row does not
* have a baseline it will be vertically centered.
*
* @since 1.6
*/
public static final int BELOW_BASELINE = 0x700;
Possible value for the anchor
field. Specifies
that the component should be horizontally placed along the
leading edge. For components with a left-to-right orientation,
the leading edge is the left edge. Vertically the component is
positioned so that its top edge touches the baseline of the
starting row. If the starting row does not have a baseline it
will be vertically centered.
Since: 1.6
/**
* Possible value for the <code>anchor</code> field. Specifies
* that the component should be horizontally placed along the
* leading edge. For components with a left-to-right orientation,
* the leading edge is the left edge. Vertically the component is
* positioned so that its top edge touches the baseline of the
* starting row. If the starting row does not have a baseline it
* will be vertically centered.
*
* @since 1.6
*/
public static final int BELOW_BASELINE_LEADING = 0x800;
Possible value for the anchor
field. Specifies
that the component should be horizontally placed along the
trailing edge. For components with a left-to-right
orientation, the trailing edge is the right edge. Vertically
the component is positioned so that its top edge touches the
baseline of the starting row. If the starting row does not
have a baseline it will be vertically centered.
Since: 1.6
/**
* Possible value for the <code>anchor</code> field. Specifies
* that the component should be horizontally placed along the
* trailing edge. For components with a left-to-right
* orientation, the trailing edge is the right edge. Vertically
* the component is positioned so that its top edge touches the
* baseline of the starting row. If the starting row does not
* have a baseline it will be vertically centered.
*
* @since 1.6
*/
public static final int BELOW_BASELINE_TRAILING = 0x900;
Specifies the cell containing the leading edge of the component's
display area, where the first cell in a row has gridx=0
.
The leading edge of a component's display area is its left edge for
a horizontal, left-to-right container and its right edge for a
horizontal, right-to-left container.
The value
RELATIVE
specifies that the component be placed
immediately following the component that was added to the container
just before this component was added.
The default value is RELATIVE
.
gridx
should be a non-negative value.
See Also: @serial
/**
* Specifies the cell containing the leading edge of the component's
* display area, where the first cell in a row has <code>gridx=0</code>.
* The leading edge of a component's display area is its left edge for
* a horizontal, left-to-right container and its right edge for a
* horizontal, right-to-left container.
* The value
* <code>RELATIVE</code> specifies that the component be placed
* immediately following the component that was added to the container
* just before this component was added.
* <p>
* The default value is <code>RELATIVE</code>.
* <code>gridx</code> should be a non-negative value.
* @serial
* @see #clone()
* @see java.awt.GridBagConstraints#gridy
* @see java.awt.ComponentOrientation
*/
public int gridx;
Specifies the cell at the top of the component's display area,
where the topmost cell has gridy=0
. The value
RELATIVE
specifies that the component be placed just
below the component that was added to the container just before
this component was added.
The default value is RELATIVE
.
gridy
should be a non-negative value.
See Also: @serial
/**
* Specifies the cell at the top of the component's display area,
* where the topmost cell has <code>gridy=0</code>. The value
* <code>RELATIVE</code> specifies that the component be placed just
* below the component that was added to the container just before
* this component was added.
* <p>
* The default value is <code>RELATIVE</code>.
* <code>gridy</code> should be a non-negative value.
* @serial
* @see #clone()
* @see java.awt.GridBagConstraints#gridx
*/
public int gridy;
Specifies the number of cells in a row for the component's
display area.
Use REMAINDER
to specify that the component's
display area will be from gridx
to the last
cell in the row.
Use RELATIVE
to specify that the component's
display area will be from gridx
to the next
to the last one in its row.
gridwidth
should be non-negative and the default
value is 1.
See Also: @serial
/**
* Specifies the number of cells in a row for the component's
* display area.
* <p>
* Use <code>REMAINDER</code> to specify that the component's
* display area will be from <code>gridx</code> to the last
* cell in the row.
* Use <code>RELATIVE</code> to specify that the component's
* display area will be from <code>gridx</code> to the next
* to the last one in its row.
* <p>
* <code>gridwidth</code> should be non-negative and the default
* value is 1.
* @serial
* @see #clone()
* @see java.awt.GridBagConstraints#gridheight
*/
public int gridwidth;
Specifies the number of cells in a column for the component's
display area.
Use REMAINDER
to specify that the component's
display area will be from gridy
to the last
cell in the column.
Use RELATIVE
to specify that the component's
display area will be from gridy
to the next
to the last one in its column.
gridheight
should be a non-negative value and the
default value is 1.
See Also: @serial
/**
* Specifies the number of cells in a column for the component's
* display area.
* <p>
* Use <code>REMAINDER</code> to specify that the component's
* display area will be from <code>gridy</code> to the last
* cell in the column.
* Use <code>RELATIVE</code> to specify that the component's
* display area will be from <code>gridy</code> to the next
* to the last one in its column.
* <p>
* <code>gridheight</code> should be a non-negative value and the
* default value is 1.
* @serial
* @see #clone()
* @see java.awt.GridBagConstraints#gridwidth
*/
public int gridheight;
Specifies how to distribute extra horizontal space.
The grid bag layout manager calculates the weight of a column to
be the maximum weightx
of all the components in a
column. If the resulting layout is smaller horizontally than the area
it needs to fill, the extra space is distributed to each column in
proportion to its weight. A column that has a weight of zero receives
no extra space.
If all the weights are zero, all the extra space appears between
the grids of the cell and the left and right edges.
The default value of this field is 0
.
weightx
should be a non-negative value.
See Also: @serial
/**
* Specifies how to distribute extra horizontal space.
* <p>
* The grid bag layout manager calculates the weight of a column to
* be the maximum <code>weightx</code> of all the components in a
* column. If the resulting layout is smaller horizontally than the area
* it needs to fill, the extra space is distributed to each column in
* proportion to its weight. A column that has a weight of zero receives
* no extra space.
* <p>
* If all the weights are zero, all the extra space appears between
* the grids of the cell and the left and right edges.
* <p>
* The default value of this field is <code>0</code>.
* <code>weightx</code> should be a non-negative value.
* @serial
* @see #clone()
* @see java.awt.GridBagConstraints#weighty
*/
public double weightx;
Specifies how to distribute extra vertical space.
The grid bag layout manager calculates the weight of a row to be
the maximum weighty
of all the components in a row.
If the resulting layout is smaller vertically than the area it
needs to fill, the extra space is distributed to each row in
proportion to its weight. A row that has a weight of zero receives no
extra space.
If all the weights are zero, all the extra space appears between
the grids of the cell and the top and bottom edges.
The default value of this field is 0
.
weighty
should be a non-negative value.
See Also: @serial
/**
* Specifies how to distribute extra vertical space.
* <p>
* The grid bag layout manager calculates the weight of a row to be
* the maximum <code>weighty</code> of all the components in a row.
* If the resulting layout is smaller vertically than the area it
* needs to fill, the extra space is distributed to each row in
* proportion to its weight. A row that has a weight of zero receives no
* extra space.
* <p>
* If all the weights are zero, all the extra space appears between
* the grids of the cell and the top and bottom edges.
* <p>
* The default value of this field is <code>0</code>.
* <code>weighty</code> should be a non-negative value.
* @serial
* @see #clone()
* @see java.awt.GridBagConstraints#weightx
*/
public double weighty;
This field is used when the component is smaller than its
display area. It determines where, within the display area, to
place the component.
There are three kinds of possible values: orientation
relative, baseline relative and absolute. Orientation relative
values are interpreted relative to the container's component
orientation property, baseline relative values are interpreted
relative to the baseline and absolute values are not. The
absolute values are:
CENTER
, NORTH
, NORTHEAST
,
EAST
, SOUTHEAST
, SOUTH
,
SOUTHWEST
, WEST
, and NORTHWEST
.
The orientation relative values are: PAGE_START
,
PAGE_END
,
LINE_START
, LINE_END
,
FIRST_LINE_START
, FIRST_LINE_END
,
LAST_LINE_START
and LAST_LINE_END
. The
baseline relvative values are:
BASELINE
, BASELINE_LEADING
,
BASELINE_TRAILING
,
ABOVE_BASELINE
, ABOVE_BASELINE_LEADING
,
ABOVE_BASELINE_TRAILING
,
BELOW_BASELINE
, BELOW_BASELINE_LEADING
,
and BELOW_BASELINE_TRAILING
.
The default value is CENTER
.
See Also: @serial
/**
* This field is used when the component is smaller than its
* display area. It determines where, within the display area, to
* place the component.
* <p> There are three kinds of possible values: orientation
* relative, baseline relative and absolute. Orientation relative
* values are interpreted relative to the container's component
* orientation property, baseline relative values are interpreted
* relative to the baseline and absolute values are not. The
* absolute values are:
* <code>CENTER</code>, <code>NORTH</code>, <code>NORTHEAST</code>,
* <code>EAST</code>, <code>SOUTHEAST</code>, <code>SOUTH</code>,
* <code>SOUTHWEST</code>, <code>WEST</code>, and <code>NORTHWEST</code>.
* The orientation relative values are: <code>PAGE_START</code>,
* <code>PAGE_END</code>,
* <code>LINE_START</code>, <code>LINE_END</code>,
* <code>FIRST_LINE_START</code>, <code>FIRST_LINE_END</code>,
* <code>LAST_LINE_START</code> and <code>LAST_LINE_END</code>. The
* baseline relvative values are:
* <code>BASELINE</code>, <code>BASELINE_LEADING</code>,
* <code>BASELINE_TRAILING</code>,
* <code>ABOVE_BASELINE</code>, <code>ABOVE_BASELINE_LEADING</code>,
* <code>ABOVE_BASELINE_TRAILING</code>,
* <code>BELOW_BASELINE</code>, <code>BELOW_BASELINE_LEADING</code>,
* and <code>BELOW_BASELINE_TRAILING</code>.
* The default value is <code>CENTER</code>.
* @serial
* @see #clone()
* @see java.awt.ComponentOrientation
*/
public int anchor;
This field is used when the component's display area is larger
than the component's requested size. It determines whether to
resize the component, and if so, how.
The following values are valid for fill
:
-
NONE
: Do not resize the component.
-
HORIZONTAL
: Make the component wide enough to fill
its display area horizontally, but do not change its height.
-
VERTICAL
: Make the component tall enough to fill its
display area vertically, but do not change its width.
-
BOTH
: Make the component fill its display area
entirely.
The default value is NONE
.
See Also: @serial
/**
* This field is used when the component's display area is larger
* than the component's requested size. It determines whether to
* resize the component, and if so, how.
* <p>
* The following values are valid for <code>fill</code>:
* <p>
* <ul>
* <li>
* <code>NONE</code>: Do not resize the component.
* <li>
* <code>HORIZONTAL</code>: Make the component wide enough to fill
* its display area horizontally, but do not change its height.
* <li>
* <code>VERTICAL</code>: Make the component tall enough to fill its
* display area vertically, but do not change its width.
* <li>
* <code>BOTH</code>: Make the component fill its display area
* entirely.
* </ul>
* <p>
* The default value is <code>NONE</code>.
* @serial
* @see #clone()
*/
public int fill;
This field specifies the external padding of the component, the
minimum amount of space between the component and the edges of its
display area.
The default value is new Insets(0, 0, 0, 0)
.
See Also: @serial
/**
* This field specifies the external padding of the component, the
* minimum amount of space between the component and the edges of its
* display area.
* <p>
* The default value is <code>new Insets(0, 0, 0, 0)</code>.
* @serial
* @see #clone()
*/
public Insets insets;
This field specifies the internal padding of the component, how much
space to add to the minimum width of the component. The width of
the component is at least its minimum width plus
ipadx
pixels.
The default value is 0
.
See Also: @serial
/**
* This field specifies the internal padding of the component, how much
* space to add to the minimum width of the component. The width of
* the component is at least its minimum width plus
* <code>ipadx</code> pixels.
* <p>
* The default value is <code>0</code>.
* @serial
* @see #clone()
* @see java.awt.GridBagConstraints#ipady
*/
public int ipadx;
This field specifies the internal padding, that is, how much
space to add to the minimum height of the component. The height of
the component is at least its minimum height plus
ipady
pixels.
The default value is 0.
See Also: @serial
/**
* This field specifies the internal padding, that is, how much
* space to add to the minimum height of the component. The height of
* the component is at least its minimum height plus
* <code>ipady</code> pixels.
* <p>
* The default value is 0.
* @serial
* @see #clone()
* @see java.awt.GridBagConstraints#ipadx
*/
public int ipady;
Temporary place holder for the x coordinate.
@serial
/**
* Temporary place holder for the x coordinate.
* @serial
*/
int tempX;
Temporary place holder for the y coordinate.
@serial
/**
* Temporary place holder for the y coordinate.
* @serial
*/
int tempY;
Temporary place holder for the Width of the component.
@serial
/**
* Temporary place holder for the Width of the component.
* @serial
*/
int tempWidth;
Temporary place holder for the Height of the component.
@serial
/**
* Temporary place holder for the Height of the component.
* @serial
*/
int tempHeight;
The minimum width of the component. It is used to calculate
ipady
, where the default will be 0.
See Also: @serial
/**
* The minimum width of the component. It is used to calculate
* <code>ipady</code>, where the default will be 0.
* @serial
* @see #ipady
*/
int minWidth;
The minimum height of the component. It is used to calculate
ipadx
, where the default will be 0.
See Also: @serial
/**
* The minimum height of the component. It is used to calculate
* <code>ipadx</code>, where the default will be 0.
* @serial
* @see #ipadx
*/
int minHeight;
// The following fields are only used if the anchor is
// one of BASELINE, BASELINE_LEADING or BASELINE_TRAILING.
// ascent and descent include the insets and ipady values.
transient int ascent;
transient int descent;
transient Component.BaselineResizeBehavior baselineResizeBehavior;
// The folllowing two fields are used if the baseline type is
// CENTER_OFFSET.
// centerPadding is either 0 or 1 and indicates if
// the height needs to be padded by one when calculating where the
// baseline lands
transient int centerPadding;
// Where the baseline lands relative to the center of the component.
transient int centerOffset;
/*
* JDK 1.1 serialVersionUID
*/
private static final long serialVersionUID = -1000070633030801713L;
Creates a GridBagConstraint
object with
all of its fields set to their default value.
/**
* Creates a <code>GridBagConstraint</code> object with
* all of its fields set to their default value.
*/
public GridBagConstraints () {
gridx = RELATIVE;
gridy = RELATIVE;
gridwidth = 1;
gridheight = 1;
weightx = 0;
weighty = 0;
anchor = CENTER;
fill = NONE;
insets = new Insets(0, 0, 0, 0);
ipadx = 0;
ipady = 0;
}
Creates a GridBagConstraints
object with
all of its fields set to the passed-in arguments.
Note: Because the use of this constructor hinders readability
of source code, this constructor should only be used by
automatic source code generation tools.
Params: - gridx – The initial gridx value.
- gridy – The initial gridy value.
- gridwidth – The initial gridwidth value.
- gridheight – The initial gridheight value.
- weightx – The initial weightx value.
- weighty – The initial weighty value.
- anchor – The initial anchor value.
- fill – The initial fill value.
- insets – The initial insets value.
- ipadx – The initial ipadx value.
- ipady – The initial ipady value.
See Also: Since: 1.2
/**
* Creates a <code>GridBagConstraints</code> object with
* all of its fields set to the passed-in arguments.
*
* Note: Because the use of this constructor hinders readability
* of source code, this constructor should only be used by
* automatic source code generation tools.
*
* @param gridx The initial gridx value.
* @param gridy The initial gridy value.
* @param gridwidth The initial gridwidth value.
* @param gridheight The initial gridheight value.
* @param weightx The initial weightx value.
* @param weighty The initial weighty value.
* @param anchor The initial anchor value.
* @param fill The initial fill value.
* @param insets The initial insets value.
* @param ipadx The initial ipadx value.
* @param ipady The initial ipady value.
*
* @see java.awt.GridBagConstraints#gridx
* @see java.awt.GridBagConstraints#gridy
* @see java.awt.GridBagConstraints#gridwidth
* @see java.awt.GridBagConstraints#gridheight
* @see java.awt.GridBagConstraints#weightx
* @see java.awt.GridBagConstraints#weighty
* @see java.awt.GridBagConstraints#anchor
* @see java.awt.GridBagConstraints#fill
* @see java.awt.GridBagConstraints#insets
* @see java.awt.GridBagConstraints#ipadx
* @see java.awt.GridBagConstraints#ipady
*
* @since 1.2
*/
public GridBagConstraints(int gridx, int gridy,
int gridwidth, int gridheight,
double weightx, double weighty,
int anchor, int fill,
Insets insets, int ipadx, int ipady) {
this.gridx = gridx;
this.gridy = gridy;
this.gridwidth = gridwidth;
this.gridheight = gridheight;
this.fill = fill;
this.ipadx = ipadx;
this.ipady = ipady;
this.insets = insets;
this.anchor = anchor;
this.weightx = weightx;
this.weighty = weighty;
}
Creates a copy of this grid bag constraint.
Returns: a copy of this grid bag constraint
/**
* Creates a copy of this grid bag constraint.
* @return a copy of this grid bag constraint
*/
public Object clone () {
try {
GridBagConstraints c = (GridBagConstraints)super.clone();
c.insets = (Insets)insets.clone();
return c;
} catch (CloneNotSupportedException e) {
// this shouldn't happen, since we are Cloneable
throw new InternalError();
}
}
boolean isVerticallyResizable() {
return (fill == BOTH || fill == VERTICAL);
}
}