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Wrap Rules tab buttons on smaller window sizes
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ddwightx
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Dec 21, 2020
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194 changes: 194 additions & 0 deletions
194
src/main/java/synfron/reshaper/burp/ui/utils/WrapLayout.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,194 @@ | ||
| package synfron.reshaper.burp.ui.utils; | ||
| import javax.swing.*; | ||
| import java.awt.*; | ||
|
|
||
| /** | ||
| * FlowLayout subclass that fully supports wrapping of components. | ||
| * | ||
| * @author Rob Camick | ||
| * https://tips4java.wordpress.com/2008/11/06/wrap-layout/ | ||
| * http://www.camick.com/java/source/WrapLayout.java | ||
| */ | ||
| public class WrapLayout extends FlowLayout | ||
| { | ||
| private Dimension preferredLayoutSize; | ||
|
|
||
| /** | ||
| * Constructs a new <code>WrapLayout</code> with a left | ||
| * alignment and a default 5-unit horizontal and vertical gap. | ||
| */ | ||
| public WrapLayout() | ||
| { | ||
| super(); | ||
| } | ||
|
|
||
| /** | ||
| * Constructs a new <code>FlowLayout</code> with the specified | ||
| * alignment and a default 5-unit horizontal and vertical gap. | ||
| * The value of the alignment argument must be one of | ||
| * <code>WrapLayout</code>, <code>WrapLayout</code>, | ||
| * or <code>WrapLayout</code>. | ||
| * @param align the alignment value | ||
| */ | ||
| public WrapLayout(int align) | ||
| { | ||
| super(align); | ||
| } | ||
|
|
||
| /** | ||
| * Creates a new flow layout manager with the indicated alignment | ||
| * and the indicated horizontal and vertical gaps. | ||
| * <p> | ||
| * The value of the alignment argument must be one of | ||
| * <code>WrapLayout</code>, <code>WrapLayout</code>, | ||
| * or <code>WrapLayout</code>. | ||
| * @param align the alignment value | ||
| * @param hgap the horizontal gap between components | ||
| * @param vgap the vertical gap between components | ||
| */ | ||
| public WrapLayout(int align, int hgap, int vgap) | ||
| { | ||
| super(align, hgap, vgap); | ||
| } | ||
|
|
||
| /** | ||
| * Returns the preferred dimensions for this layout given the | ||
| * <i>visible</i> components in the specified target container. | ||
| * @param target the component which needs to be laid out | ||
| * @return the preferred dimensions to lay out the | ||
| * subcomponents of the specified container | ||
| */ | ||
| @Override | ||
| public Dimension preferredLayoutSize(Container target) | ||
| { | ||
| return layoutSize(target, true); | ||
| } | ||
|
|
||
| /** | ||
| * Returns the minimum dimensions needed to layout the <i>visible</i> | ||
| * components contained in the specified target container. | ||
| * @param target the component which needs to be laid out | ||
| * @return the minimum dimensions to lay out the | ||
| * subcomponents of the specified container | ||
| */ | ||
| @Override | ||
| public Dimension minimumLayoutSize(Container target) | ||
| { | ||
| Dimension minimum = layoutSize(target, false); | ||
| minimum.width -= (getHgap() + 1); | ||
| return minimum; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the minimum or preferred dimension needed to layout the target | ||
| * container. | ||
| * | ||
| * @param target target to get layout size for | ||
| * @param preferred should preferred size be calculated | ||
| * @return the dimension to layout the target container | ||
| */ | ||
| private Dimension layoutSize(Container target, boolean preferred) | ||
| { | ||
| synchronized (target.getTreeLock()) | ||
| { | ||
| // Each row must fit with the width allocated to the containter. | ||
| // When the container width = 0, the preferred width of the container | ||
| // has not yet been calculated so lets ask for the maximum. | ||
|
|
||
| int targetWidth = target.getSize().width; | ||
| Container container = target; | ||
|
|
||
| while (container.getSize().width == 0 && container.getParent() != null) | ||
| { | ||
| container = container.getParent(); | ||
| } | ||
|
|
||
| targetWidth = container.getSize().width; | ||
|
|
||
| if (targetWidth == 0) | ||
| targetWidth = Integer.MAX_VALUE; | ||
|
|
||
| int hgap = getHgap(); | ||
| int vgap = getVgap(); | ||
| Insets insets = target.getInsets(); | ||
| int horizontalInsetsAndGap = insets.left + insets.right + (hgap * 2); | ||
| int maxWidth = targetWidth - horizontalInsetsAndGap; | ||
|
|
||
| // Fit components into the allowed width | ||
|
|
||
| Dimension dim = new Dimension(0, 0); | ||
| int rowWidth = 0; | ||
| int rowHeight = 0; | ||
|
|
||
| int nmembers = target.getComponentCount(); | ||
|
|
||
| for (int i = 0; i < nmembers; i++) | ||
| { | ||
| Component m = target.getComponent(i); | ||
|
|
||
| if (m.isVisible()) | ||
| { | ||
| Dimension d = preferred ? m.getPreferredSize() : m.getMinimumSize(); | ||
|
|
||
| // Can't add the component to current row. Start a new row. | ||
|
|
||
| if (rowWidth + d.width > maxWidth) | ||
| { | ||
| addRow(dim, rowWidth, rowHeight); | ||
| rowWidth = 0; | ||
| rowHeight = 0; | ||
| } | ||
|
|
||
| // Add a horizontal gap for all components after the first | ||
|
|
||
| if (rowWidth != 0) | ||
| { | ||
| rowWidth += hgap; | ||
| } | ||
|
|
||
| rowWidth += d.width; | ||
| rowHeight = Math.max(rowHeight, d.height); | ||
| } | ||
| } | ||
|
|
||
| addRow(dim, rowWidth, rowHeight); | ||
|
|
||
| dim.width += horizontalInsetsAndGap; | ||
| dim.height += insets.top + insets.bottom + vgap * 2; | ||
|
|
||
| // When using a scroll pane or the DecoratedLookAndFeel we need to | ||
| // make sure the preferred size is less than the size of the | ||
| // target containter so shrinking the container size works | ||
| // correctly. Removing the horizontal gap is an easy way to do this. | ||
|
|
||
| Container scrollPane = SwingUtilities.getAncestorOfClass(JScrollPane.class, target); | ||
|
|
||
| if (scrollPane != null && target.isValid()) | ||
| { | ||
| dim.width -= (hgap + 1); | ||
| } | ||
|
|
||
| return dim; | ||
| } | ||
| } | ||
|
|
||
| /* | ||
| * A new row has been completed. Use the dimensions of this row | ||
| * to update the preferred size for the container. | ||
| * | ||
| * @param dim update the width and height when appropriate | ||
| * @param rowWidth the width of the row to add | ||
| * @param rowHeight the height of the row to add | ||
| */ | ||
| private void addRow(Dimension dim, int rowWidth, int rowHeight) | ||
| { | ||
| dim.width = Math.max(dim.width, rowWidth); | ||
|
|
||
| if (dim.height > 0) | ||
| { | ||
| dim.height += getVgap(); | ||
| } | ||
|
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| dim.height += rowHeight; | ||
| } | ||
| } |