diff options
| -rw-r--r-- | src/main/java/io/github/cottonmc/cotton/gui/widget/WListPanel.java | 40 |
1 files changed, 25 insertions, 15 deletions
diff --git a/src/main/java/io/github/cottonmc/cotton/gui/widget/WListPanel.java b/src/main/java/io/github/cottonmc/cotton/gui/widget/WListPanel.java index e83d891..e4a3715 100644 --- a/src/main/java/io/github/cottonmc/cotton/gui/widget/WListPanel.java +++ b/src/main/java/io/github/cottonmc/cotton/gui/widget/WListPanel.java @@ -15,7 +15,7 @@ import java.util.function.Supplier; /** * Similar to the RecyclerView in Android, this widget represents a scrollable list of items. - * + * * <p> D is the type of data represented. The data must reside in some ordered backing {@code List<D>}. * D's *must* have working equals and hashCode methods to distinguish them from each other! * <p> W is the WWidget class that will represent a single D of data. @@ -36,7 +36,7 @@ public class WListPanel<D, W extends WWidget> extends WClippedPanel { * to display the passed data. */ protected BiConsumer<D, W> configurator; - + protected HashMap<D, W> configured = new HashMap<>(); protected List<W> unconfigured = new ArrayList<>(); @@ -49,7 +49,7 @@ public class WListPanel<D, W extends WWidget> extends WClippedPanel { * Whether this list has a fixed height for items. */ protected boolean fixedHeight = false; - + protected int margin = 4; /** @@ -80,7 +80,7 @@ public class WListPanel<D, W extends WWidget> extends WClippedPanel { layout(); lastScroll = scrollBar.getValue(); } - + super.paint(matrices, x, y, mouseX, mouseY); /* if (getBackgroundPainter()!=null) { @@ -110,16 +110,16 @@ public class WListPanel<D, W extends WWidget> extends WClippedPanel { @Override public void layout() { - + this.children.clear(); this.children.add(scrollBar); scrollBar.setLocation(this.width-scrollBar.getWidth(), 0); scrollBar.setSize(8, this.height); //super.layout(); - + //System.out.println("Validating"); - + //Recompute cellHeight if needed if (!fixedHeight) { if (unconfigured.isEmpty()) { @@ -137,25 +137,25 @@ public class WListPanel<D, W extends WWidget> extends WClippedPanel { } } if (cellHeight<4) cellHeight=4; - + int layoutHeight = this.getHeight()-(margin*2); int cellsHigh = Math.max(layoutHeight / cellHeight, 1); // At least one cell is always visible - + //System.out.println("Adding children..."); - + //this.children.clear(); //this.children.add(scrollBar); //scrollBar.setLocation(this.width-scrollBar.getWidth(), 0); //scrollBar.setSize(8, this.height); - + //Fix up the scrollbar handle and track metrics scrollBar.setWindow(cellsHigh); scrollBar.setMaxValue(data.size()); int scrollOffset = scrollBar.getValue(); //System.out.println(scrollOffset); - + int presentCells = Math.min(data.size()-scrollOffset, cellsHigh); - + if (presentCells>0) { for(int i=0; i<presentCells+1; i++) { int index = i+scrollOffset; @@ -172,7 +172,7 @@ public class WListPanel<D, W extends WWidget> extends WClippedPanel { configurator.accept(d, w); configured.put(d, w); } - + //At this point, w is nonnull and configured by d if (w.canResize()) { w.setSize(this.width-(margin*2) - scrollBar.getWidth(), cellHeight); @@ -182,7 +182,7 @@ public class WListPanel<D, W extends WWidget> extends WClippedPanel { this.children.add(w); } } - + //System.out.println("Children: "+children.size()); } @@ -202,4 +202,14 @@ public class WListPanel<D, W extends WWidget> extends WClippedPanel { public InputResult onMouseScroll(int x, int y, double amount) { return scrollBar.onMouseScroll(0, 0, amount); } + + /** + * Gets the {@link io.github.cottonmc.cotton.gui.widget.WScrollBar} attached to this panel. + * + * @return the scroll bar bundled. + */ + public WScrollBar getScrollBar() { + return scrollBar; + } + } |