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Fix container inefficiency in FlowArrangement.java #415

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Fix container inefficiency in FlowArrangement.java #415

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f70a48e
Fix container inefficiencies in FlowArrangement.java and XYPlot.java
Aug 8, 2024
3cbe2ba
undo the change of XYPlot.java
Sep 4, 2024
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9 changes: 4 additions & 5 deletions src/main/java/org/jfree/chart/block/FlowArrangement.java
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Original file line number Diff line number Diff line change
Expand Up @@ -175,19 +175,19 @@ protected Size2D arrangeFN(BlockContainer container, Graphics2D g2,
double x = 0.0;
double y = 0.0;
double maxHeight = 0.0;
List<Block> itemsInRow = new ArrayList<>();
boolean haveItemsInRow = false;
for (Block block : blocks) {
Size2D size = block.arrange(g2, RectangleConstraint.NONE);
if (x + size.width <= width) {
itemsInRow.add(block);
haveItemsInRow = true;
block.setBounds(
new Rectangle2D.Double(x, y, size.width, size.height)
);
x = x + size.width + this.horizontalGap;
maxHeight = Math.max(maxHeight, size.height);
}
else {
if (itemsInRow.isEmpty()) {
if (!haveItemsInRow) {
// place in this row (truncated) anyway
block.setBounds(
new Rectangle2D.Double(
Expand All @@ -199,7 +199,6 @@ protected Size2D arrangeFN(BlockContainer container, Graphics2D g2,
}
else {
// start new row
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@RockyMM RockyMM Aug 30, 2024

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Should we not reinitialize haveItemsInRow to false here?

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@cinsttool cinsttool Sep 1, 2024 •
edited
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The original code clears the itemsInRow and adds an element to the itemsInRow afterwards in the same code block.

So I think the reinitialization is not required.

itemsInRow.clear();
x = 0.0;
y = y + maxHeight + this.verticalGap;
maxHeight = size.height;
Expand All @@ -209,7 +208,7 @@ protected Size2D arrangeFN(BlockContainer container, Graphics2D g2,
)
);
x = size.width + this.horizontalGap;
itemsInRow.add(block);
haveItemsInRow = true;
}
}
}
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