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/*
* SerialLayout.java
*/
package org.tigris.swidgets;
import java.awt.*;
/**
* Lays out components in a single row or column starting from any
* side and aligning components to eachother.<p>
*
* Components can be set to start draw from, LEFTTORIGHT, TOPTOBOTTOM,
* RIGHTTOLEFT or BOTTOMTOTOP.<p>
*
* Components will line up with eachother by edge or follow a common
* central line.<p>
*
* The gap to leave before the first component and the following gaps
* between each component can be set.
*
* @author Bob Tarling
*/
public class SerialLayout extends LineLayout {
public static final int LEFTTORIGHT = 10;
public static final int TOPTOBOTTOM = 10;
public static final int RIGHTTOLEFT = 11;
public static final int BOTTOMTOTOP = 11;
public static final String NORTH = "North";
public static final String SOUTH = "South";
public static final String EAST = "East";
public static final String WEST = "West";
public static final String NORTHEAST = "NorthEast";
public static final String NORTHWEST = "NorthWest";
public static final String SOUTHEAST = "SouthEast";
public static final String SOUTHWEST = "SouthWest";
public static final int LEFT = 20;
public static final int RIGHT = 21;
public static final int TOP = 20;
public static final int BOTTOM = 21;
public static final int CENTER = 22;
public static final int FILL = 23;
private String position = WEST;
private int direction = LEFTTORIGHT;
private int alignment = TOP;
public SerialLayout() {
this(Horizontal.getInstance(), WEST, LEFTTORIGHT, TOP);
}
public SerialLayout(Orientation orientation) {
this(orientation, WEST, LEFTTORIGHT, TOP);
}
public SerialLayout(Orientation orientation, String position) {
this(orientation, position, LEFTTORIGHT, TOP);
}
public SerialLayout(Orientation orientation, String position,
int direction) {
this(orientation, position, direction, TOP);
}
public SerialLayout(Orientation orientation, String position,
int direction, int alignment) {
super(orientation);
this.position = position;
this.direction = direction;
this.alignment = alignment;
}
public SerialLayout(Orientation orientation, String position,
int direction, int alignment, int gap) {
super(orientation, gap);
this.position = position;
this.direction = direction;
this.alignment = alignment;
}
public void layoutContainer(Container parent) {
Insets insets = parent.getInsets();
Point loc;
int preferredBreadth =
_orientation.getBreadth(parent.getPreferredSize());
if (direction == LEFTTORIGHT) {
if (position.equals(EAST)) {
loc =
new Point(parent.getWidth()
- (insets.right
+ preferredLayoutSize(parent).width),
insets.top);
} else {
loc = new Point(insets.left, insets.top);
}
int nComps = parent.getComponentCount();
for (int i = 0; i < nComps; i++) {
Component comp = parent.getComponent(i);
if (comp != null && comp.isVisible()) {
Dimension size = comp.getPreferredSize();
if (alignment == FILL) {
_orientation.setBreadth(size, preferredBreadth);
}
comp.setSize(size);
comp.setLocation(loc);
loc = _orientation.addToPosition(loc, comp);
loc = _orientation.addToPosition(loc, _gap);
}
}
}
else {
int lastUsablePosition = _orientation.getLastUsablePosition(parent);
int firstUsableOffset = _orientation.getFirstUsableOffset(parent);
loc = _orientation.newPoint(lastUsablePosition, firstUsableOffset);
int nComps = parent.getComponentCount();
for (int i = 0; i < nComps; i++) {
Component comp = parent.getComponent(i);
if (comp != null && comp.isVisible()) {
loc = _orientation.subtractFromPosition(loc, comp);
Dimension size = comp.getPreferredSize();
if (alignment == FILL) {
_orientation.setBreadth(size, preferredBreadth);
}
comp.setSize(size);
comp.setLocation(loc);
loc = _orientation.subtractFromPosition(loc, _gap);
}
}
}
}
}
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