| java.lang.Object com.jgoodies.forms.layout.CellConstraints
CellConstraints | final public class CellConstraints implements Cloneable,Serializable(Code) | | Defines constraints for components that are layed out with the FormLayout.
Defines the components display area: grid x, grid y, grid width
(column span), grid height (row span), horizontal alignment and vertical
alignment.
Most methods return this object to enable method chaining.
You can set optional insets in a constructor. This is useful if you need to
use a pixel-size insets to align perceived component bounds with pixel data,
for example an icon. Anyway, this is rarely used. The insets don't affect the
size computation for columns and rows. I consider renaming the insets to
offsets to better indicate the motivation for this option.
Examples:
The following cell constraints locate a component in the third column of the
fifth row; column and row span are 1; the component will be aligned with the
column's right-hand side and the row's bottom.
CellConstraints cc = new CellConstraints();
cc.xy(3, 5);
cc.xy(3, 5, CellConstraints.RIGHT, CellConstraints.BOTTOM);
cc.xy(3, 5, "right, bottom");
cc.xyw(3, 5, 1);
cc.xyw(3, 5, 1, CellConstraints.RIGHT, CellConstraints.BOTTOM);
cc.xyw(3, 5, 1, "right, bottom");
cc.xywh(3, 5, 1, 1);
cc.xywh(3, 5, 1, 1, CellConstraints.RIGHT, CellConstraints.BOTTOM);
cc.xywh(3, 5, 1, 1, "right, bottom");
See also the examples in the
FormLayout class comment.
TODO: Consider renaming the inset to offsets.
author: Karsten Lentzsch version: $Revision: 1.2 $ |
Inner Class :final public static class Alignment implements Serializable | |
Field Summary | |
final public static Alignment | BOTTOM Put the component in the bottom. | final public static Alignment | CENTER Put the component in the center. | final public static Alignment | DEFAULT Use the column's or row's default alignment. | final public static Alignment | FILL Fill the cell either horizontally or vertically. | final public static Alignment | LEFT Put the component in the left. | final public static Alignment | RIGHT Put the component in the right. | final public static Alignment | TOP Put the component in the top. | public int | gridHeight Describes the component's vertical grid extent (number of cells). | public int | gridWidth Describes the component's horizontal grid extend (number of cells). | public int | gridX Describes the component's horizontal grid origin (starts at 1). | public int | gridY Describes the component's vertical grid origin (starts at 1). | public Alignment | hAlign Describes the component's horizontal alignment. | public Insets | insets Describes the component's Insets in it's display area. | public Alignment | vAlign Describes the component's vertical alignment. |
Constructor Summary | |
public | CellConstraints() Constructs a default instance of CellConstraints . | public | CellConstraints(int gridX, int gridY) Constructs an instance of CellConstraints for the given
cell position. | public | CellConstraints(int gridX, int gridY, Alignment hAlign, Alignment vAlign) Constructs an instance of CellConstraints for the given
cell position, anchor, and fill. | public | CellConstraints(int gridX, int gridY, int gridWidth, int gridHeight) Constructs an instance of CellConstraints for the given
cell position and size. | public | CellConstraints(int gridX, int gridY, int gridWidth, int gridHeight, Alignment hAlign, Alignment vAlign) Constructs an instance of CellConstraints for the given
cell position and size, anchor, and fill. | public | CellConstraints(int gridX, int gridY, int gridWidth, int gridHeight, Alignment hAlign, Alignment vAlign, Insets insets) Constructs an instance of CellConstraints for the complete
set of available properties. | public | CellConstraints(String encodedConstraints) Constructs an instance of CellConstraints from the given
encoded string properties. |
Method Summary | |
public Object | clone() Creates a copy of this cell constraints object. | void | ensureValidGridBounds(int colCount, int rowCount) Checks and verifies that this constraints object has valid grid index
values, i. | void | setBounds(Component c, FormLayout layout, Rectangle cellBounds, FormLayout.Measure minWidthMeasure, FormLayout.Measure minHeightMeasure, FormLayout.Measure prefWidthMeasure, FormLayout.Measure prefHeightMeasure) Sets the component's bounds using the given component and cell bounds. | public String | toShortString() Returns a short string representation of this constraints object. | public String | toShortString(FormLayout layout) Returns a short string representation of this constraints object. | public String | toString() Constructs and returns a string representation of this constraints
object. | public CellConstraints | xy(int col, int row) Sets row and column origins; sets width and height to 1; uses the default
alignments. | public CellConstraints | xy(int col, int row, String encodedAlignments) Sets row and column origins; sets width and height to 1; decodes
horizontal and vertical alignments from the given string. | public CellConstraints | xy(int col, int row, Alignment colAlign, Alignment rowAlign) Sets the row and column origins; sets width and height to 1; set
horizontal and vertical alignment using the specified objects. | public CellConstraints | xyw(int col, int row, int colSpan) Sets the row, column, width, and height; uses a height (row span) of 1
and the horizontal and vertical default alignments. | public CellConstraints | xyw(int col, int row, int colSpan, String encodedAlignments) Sets the row, column, width, and height; decodes the horizontal and
vertical alignments from the given string. | public CellConstraints | xyw(int col, int row, int colSpan, Alignment colAlign, Alignment rowAlign) Sets the row, column, width, and height; sets the horizontal and vertical
aligment using the specified alignment objects. | public CellConstraints | xywh(int col, int row, int colSpan, int rowSpan) Sets the row, column, width, and height; uses default alignments. | public CellConstraints | xywh(int col, int row, int colSpan, int rowSpan, String encodedAlignments) Sets the row, column, width, and height; decodes the horizontal and
vertical alignments from the given string. | public CellConstraints | xywh(int col, int row, int colSpan, int rowSpan, Alignment colAlign, Alignment rowAlign) Sets the row, column, width, and height; sets the horizontal and vertical
aligment using the specified alignment objects. |
BOTTOM | final public static Alignment BOTTOM(Code) | | Put the component in the bottom.
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CENTER | final public static Alignment CENTER(Code) | | Put the component in the center.
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DEFAULT | final public static Alignment DEFAULT(Code) | | Use the column's or row's default alignment.
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FILL | final public static Alignment FILL(Code) | | Fill the cell either horizontally or vertically.
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LEFT | final public static Alignment LEFT(Code) | | Put the component in the left.
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RIGHT | final public static Alignment RIGHT(Code) | | Put the component in the right.
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TOP | final public static Alignment TOP(Code) | | Put the component in the top.
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gridHeight | public int gridHeight(Code) | | Describes the component's vertical grid extent (number of cells).
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gridWidth | public int gridWidth(Code) | | Describes the component's horizontal grid extend (number of cells).
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gridX | public int gridX(Code) | | Describes the component's horizontal grid origin (starts at 1).
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gridY | public int gridY(Code) | | Describes the component's vertical grid origin (starts at 1).
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hAlign | public Alignment hAlign(Code) | | Describes the component's horizontal alignment.
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insets | public Insets insets(Code) | | Describes the component's Insets in it's display area.
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vAlign | public Alignment vAlign(Code) | | Describes the component's vertical alignment.
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CellConstraints | public CellConstraints()(Code) | | Constructs a default instance of CellConstraints .
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CellConstraints | public CellConstraints(int gridX, int gridY)(Code) | | Constructs an instance of CellConstraints for the given
cell position.
Examples:
new CellConstraints(1, 3);
new CellConstraints(1, 3);
Parameters: gridX - the component's horizontal grid origin Parameters: gridY - the component's vertical grid origin |
CellConstraints | public CellConstraints(int gridX, int gridY, Alignment hAlign, Alignment vAlign)(Code) | | Constructs an instance of CellConstraints for the given
cell position, anchor, and fill.
Examples:
new CellConstraints(1, 3, CellConstraints.LEFT, CellConstraints.BOTTOM);
new CellConstraints(1, 3, CellConstraints.CENTER, CellConstraints.FILL);
Parameters: gridX - the component's horizontal grid origin Parameters: gridY - the component's vertical grid origin Parameters: hAlign - the component's horizontal alignment Parameters: vAlign - the component's vertical alignment |
CellConstraints | public CellConstraints(int gridX, int gridY, int gridWidth, int gridHeight)(Code) | | Constructs an instance of CellConstraints for the given
cell position and size.
Examples:
new CellConstraints(1, 3, 2, 1);
new CellConstraints(1, 3, 7, 3);
Parameters: gridX - the component's horizontal grid origin Parameters: gridY - the component's vertical grid origin Parameters: gridWidth - the component's horizontal extent Parameters: gridHeight - the component's vertical extent |
CellConstraints | public CellConstraints(int gridX, int gridY, int gridWidth, int gridHeight, Alignment hAlign, Alignment vAlign)(Code) | | Constructs an instance of CellConstraints for the given
cell position and size, anchor, and fill.
Examples:
new CellConstraints(1, 3, 2, 1, CellConstraints.LEFT, CellConstraints.BOTTOM);
new CellConstraints(1, 3, 7, 3, CellConstraints.CENTER, CellConstraints.FILL);
Parameters: gridX - the component's horizontal grid origin Parameters: gridY - the component's vertical grid origin Parameters: gridWidth - the component's horizontal extent Parameters: gridHeight - the component's vertical extent Parameters: hAlign - the component's horizontal alignment Parameters: vAlign - the component's vertical alignment |
CellConstraints | public CellConstraints(int gridX, int gridY, int gridWidth, int gridHeight, Alignment hAlign, Alignment vAlign, Insets insets)(Code) | | Constructs an instance of CellConstraints for the complete
set of available properties.
Examples:
new CellConstraints(1, 3, 2, 1, CellConstraints.LEFT, CellConstraints.BOTTOM, new Insets(0, 1, 0, 3));
new CellConstraints(1, 3, 7, 3, CellConstraints.CENTER, CellConstraints.FILL, new Insets(0, 1, 0, 0));
Parameters: gridX - the component's horizontal grid origin Parameters: gridY - the component's vertical grid origin Parameters: gridWidth - the component's horizontal extent Parameters: gridHeight - the component's vertical extent Parameters: hAlign - the component's horizontal alignment Parameters: vAlign - the component's vertical alignment Parameters: insets - the component's display area Insets throws: IndexOutOfBoundsException - if the grid origin or extent is negative throws: NullPointerException - if the horizontal or vertical alignment is null throws: IllegalArgumentException - if an alignment orientation is invalid |
CellConstraints | public CellConstraints(String encodedConstraints)(Code) | | Constructs an instance of CellConstraints from the given
encoded string properties.
Examples:
new CellConstraints("1, 3");
new CellConstraints("1, 3, left, bottom");
new CellConstraints("1, 3, 2, 1, left, bottom");
new CellConstraints("1, 3, 2, 1, l, b");
Parameters: encodedConstraints - the constraints encoded as string |
clone | public Object clone()(Code) | | Creates a copy of this cell constraints object.
a copy of this cell constraints object |
ensureValidGridBounds | void ensureValidGridBounds(int colCount, int rowCount)(Code) | | Checks and verifies that this constraints object has valid grid index
values, i. e. the display area cells are inside the form's grid.
Parameters: colCount - number of columns in the grid Parameters: rowCount - number of rows in the grid throws: IndexOutOfBoundsException - if the display area described by this constraints object isnot inside the grid |
setBounds | void setBounds(Component c, FormLayout layout, Rectangle cellBounds, FormLayout.Measure minWidthMeasure, FormLayout.Measure minHeightMeasure, FormLayout.Measure prefWidthMeasure, FormLayout.Measure prefHeightMeasure)(Code) | | Sets the component's bounds using the given component and cell bounds.
Parameters: c - the component to set bounds Parameters: layout - the FormLayout instance that computes the bounds Parameters: cellBounds - the cell's bounds Parameters: minWidthMeasure - measures the minimum width Parameters: minHeightMeasure - measures the minimum height Parameters: prefWidthMeasure - measures the preferred width Parameters: prefHeightMeasure - measures the preferred height |
toShortString | public String toShortString()(Code) | | Returns a short string representation of this constraints object.
a short string representation of this constraints object |
toShortString | public String toShortString(FormLayout layout)(Code) | | Returns a short string representation of this constraints object. This
method can use the given FormLayout to display extra
information how default alignments are mapped to concrete alignments.
Therefore it asks the related column and row as specified by this
constraints object.
Parameters: layout - the layout to be presented as a string a short string representation of this constraints object |
toString | public String toString()(Code) | | Constructs and returns a string representation of this constraints
object.
string representation of this constraints object |
xy | public CellConstraints xy(int col, int row)(Code) | | Sets row and column origins; sets width and height to 1; uses the default
alignments.
Examples:
cc.xy(1, 1);
cc.xy(1, 3);
Parameters: col - the new column index Parameters: row - the new row index this |
xy | public CellConstraints xy(int col, int row, String encodedAlignments)(Code) | | Sets row and column origins; sets width and height to 1; decodes
horizontal and vertical alignments from the given string.
Examples:
cc.xy(1, 3, "left, bottom");
cc.xy(1, 3, "l, b");
cc.xy(1, 3, "center, fill");
cc.xy(1, 3, "c, f");
Parameters: col - the new column index Parameters: row - the new row index Parameters: encodedAlignments - describes the horizontal and vertical alignments this throws: IllegalArgumentException - if an alignment orientation is invalid |
xy | public CellConstraints xy(int col, int row, Alignment colAlign, Alignment rowAlign)(Code) | | Sets the row and column origins; sets width and height to 1; set
horizontal and vertical alignment using the specified objects.
Examples:
cc.xy(1, 3, CellConstraints.LEFT, CellConstraints.BOTTOM);
cc.xy(1, 3, CellConstraints.CENTER, CellConstraints.FILL);
Parameters: col - the new column index Parameters: row - the new row index Parameters: colAlign - horizontal component alignment Parameters: rowAlign - vertical component alignment this |
xyw | public CellConstraints xyw(int col, int row, int colSpan)(Code) | | Sets the row, column, width, and height; uses a height (row span) of 1
and the horizontal and vertical default alignments.
Examples:
cc.xyw(1, 3, 7);
cc.xyw(1, 3, 2);
Parameters: col - the new column index Parameters: row - the new row index Parameters: colSpan - the column span or grid width this |
xyw | public CellConstraints xyw(int col, int row, int colSpan, String encodedAlignments)(Code) | | Sets the row, column, width, and height; decodes the horizontal and
vertical alignments from the given string. The row span (height) is set
to 1.
Examples:
cc.xyw(1, 3, 7, "left, bottom");
cc.xyw(1, 3, 7, "l, b");
cc.xyw(1, 3, 2, "center, fill");
cc.xyw(1, 3, 2, "c, f");
Parameters: col - the new column index Parameters: row - the new row index Parameters: colSpan - the column span or grid width Parameters: encodedAlignments - describes the horizontal and vertical alignments this throws: IllegalArgumentException - if an alignment orientation is invalid |
xyw | public CellConstraints xyw(int col, int row, int colSpan, Alignment colAlign, Alignment rowAlign)(Code) | | Sets the row, column, width, and height; sets the horizontal and vertical
aligment using the specified alignment objects. The row span (height) is
set to 1.
Examples:
cc.xyw(1, 3, 2, CellConstraints.LEFT, CellConstraints.BOTTOM);
cc.xyw(1, 3, 7, CellConstraints.CENTER, CellConstraints.FILL);
Parameters: col - the new column index Parameters: row - the new row index Parameters: colSpan - the column span or grid width Parameters: colAlign - horizontal component alignment Parameters: rowAlign - vertical component alignment this throws: IllegalArgumentException - if an alignment orientation is invalid |
xywh | public CellConstraints xywh(int col, int row, int colSpan, int rowSpan)(Code) | | Sets the row, column, width, and height; uses default alignments.
Examples:
cc.xywh(1, 3, 2, 1);
cc.xywh(1, 3, 7, 3);
Parameters: col - the new column index Parameters: row - the new row index Parameters: colSpan - the column span or grid width Parameters: rowSpan - the row span or grid height this |
xywh | public CellConstraints xywh(int col, int row, int colSpan, int rowSpan, String encodedAlignments)(Code) | | Sets the row, column, width, and height; decodes the horizontal and
vertical alignments from the given string.
Examples:
cc.xywh(1, 3, 2, 1, "left, bottom");
cc.xywh(1, 3, 2, 1, "l, b");
cc.xywh(1, 3, 7, 3, "center, fill");
cc.xywh(1, 3, 7, 3, "c, f");
Parameters: col - the new column index Parameters: row - the new row index Parameters: colSpan - the column span or grid width Parameters: rowSpan - the row span or grid height Parameters: encodedAlignments - describes the horizontal and vertical alignments this throws: IllegalArgumentException - if an alignment orientation is invalid |
xywh | public CellConstraints xywh(int col, int row, int colSpan, int rowSpan, Alignment colAlign, Alignment rowAlign)(Code) | | Sets the row, column, width, and height; sets the horizontal and vertical
aligment using the specified alignment objects.
Examples:
cc.xywh(1, 3, 2, 1, CellConstraints.LEFT, CellConstraints.BOTTOM);
cc.xywh(1, 3, 7, 3, CellConstraints.CENTER, CellConstraints.FILL);
Parameters: col - the new column index Parameters: row - the new row index Parameters: colSpan - the column span or grid width Parameters: rowSpan - the row span or grid height Parameters: colAlign - horizontal component alignment Parameters: rowAlign - vertical component alignment this throws: IllegalArgumentException - if an alignment orientation is invalid |
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