1 files changed, 213 insertions, 0 deletions
diff --git a/src/main/ui/gui/widgets/GCBuilder.java b/src/main/ui/gui/widgets/GCBuilder.java
new file mode 100644
index 0000000..a571aab
--- /dev/null
+++ b/src/main/ui/gui/widgets/GCBuilder.java
@@ -0,0 +1,213 @@
+package ui.gui.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;
+    }
+}