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package ui.widgets;
import java.awt.*;
/**
* A builder for {@link GridBagConstraints}.
*/
public class GCBuilder {
/**
* Grix X and Y, defaults to {@link GridBagConstraints#RELATIVE}
*/
private int gridX = GridBagConstraints.RELATIVE;
private int gridY = GridBagConstraints.RELATIVE;
/**
* Weight X and Y, [0.0, 1.0], defaults to 0.0
*/
private double weightX = 0.0;
private double weightY = 0.0;
/**
* Anchor, defaults to {@link GridBagConstraints#CENTER}
*/
private int anchor = GridBagConstraints.CENTER;
/**
* How to stretch the component, defaults to {@link GridBagConstraints#NONE}
*/
private int fill = GridBagConstraints.NONE;
/**
* Insects in pixels.
*/
private int insectTop = 0;
private int insectLeft = 0;
private int insectRight = 0;
private int insectBottom = 0;
/**
* EFFECTS: Build the {@link GridBagConstraints} based on parameters.
* Grid width, grid height, ipad X, ipad Y will be 1, 1, 0, 0.
*/
public GridBagConstraints build() {
return new GridBagConstraints(gridX, gridY,
1, 1,
weightX, weightY,
anchor, fill,
new Insets(insectTop, insectLeft, insectBottom, insectRight),
0, 0);
}
/**
* EFFECTS: Set grid X and Y.
* REQUIRES: > 0
* MODIFIES: this
*/
public GCBuilder gridXY(int gridX, int gridY) {
return this.gridX(gridX).gridY(gridY);
}
/**
* EFFECTS: Set grid X.
* REQUIRES: > 0
* MODIFIES: this
*/
public GCBuilder gridX(int gridX) {
this.gridX = gridX;
return this;
}
/**
* EFFECTS: Set grid Y.
* REQUIRES: > 0
* MODIFIES: this
*/
public GCBuilder gridY(int gridY) {
this.gridY = gridY;
return this;
}
/**
* EFFECTS: Set weight X and Y.
* REQUIRES: [0.0, 1.0]
* MODIFIES: this
*/
public GCBuilder weightXY(double weightX, double weightY) {
return this.weightX(weightX).weightY(weightY);
}
/**
* EFFECTS: Set weight X and Y to 1.0
* MODIFIES: this
*/
public GCBuilder expandXY() {
return this.expandX().expandY();
}
/**
* EFFECTS: Set weight X to 1.0
* MODIFIES: this
*/
public GCBuilder expandX() {
return this.weightX(1.0);
}
/**
* EFFECTS: Set weight X to 1.0
* MODIFIES: this
*/
public GCBuilder weightX(double weightX) {
this.weightX = weightX;
return this;
}
/**
* EFFECTS: Set weight Y to 1.0
* MODIFIES: this
*/
public GCBuilder expandY() {
return this.weightY(1.0);
}
/**
* EFFECTS: Set weight X to 1.0
* MODIFIES: this
*/
public GCBuilder weightY(double weightY) {
this.weightY = weightY;
return this;
}
/**
* EFFECTS: Set anchor.
* REQUIRES: anchor in {@link GridBagConstraints} constants.
* MODIFIES: this
*/
public GCBuilder anchor(int anchor) {
this.anchor = anchor;
return this;
}
/**
* EFFECTS: Set fill.
* REQUIRES: fill in {@link GridBagConstraints} constants.
* MODIFIES: this
*/
public GCBuilder fill(int fill) {
this.fill = fill;
return this;
}
/**
* EFFECTS: Set insects to be 8, 8, 8, 8
* MODIFIES: this
*/
public GCBuilder marginInsects() {
return this.insects(8, 8, 8, 8);
}
/**
* EFFECTS: Set insects.
* REQUIRES: >= 0
* MODIFIES: this
*/
public GCBuilder insects(int top, int left, int bottom, int right) {
return this.insectTop(top).insectLeft(left).insectBottom(bottom).insectRight(right);
}
/**
* EFFECTS: Set top insect
* REQUIRES: >= 0
* MODIFIES: this
*/
public GCBuilder insectTop(int insectTop) {
this.insectTop = insectTop;
return this;
}
/**
* EFFECTS: Set left insect
* REQUIRES: >= 0
* MODIFIES: this
*/
public GCBuilder insectLeft(int insectLeft) {
this.insectLeft = insectLeft;
return this;
}
/**
* EFFECTS: Set right insect
* REQUIRES: >= 0
* MODIFIES: this
*/
public GCBuilder insectRight(int insectRight) {
this.insectRight = insectRight;
return this;
}
/**
* EFFECTS: Set bottom insect
* REQUIRES: >= 0
* MODIFIES: this
*/
public GCBuilder insectBottom(int insectBottom) {
this.insectBottom = insectBottom;
return this;
}
}
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