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cleanup: remove code duplicates

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This commit is contained in:
Konstantin Bulenkov
2019-02-20 17:12:07 +03:00
parent 569afe0c68
commit 8bedac8301
1 changed files with 14 additions and 30 deletions
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platform/platform-api/src/com/intellij/ui/ScrollingUtil.java
+14 -30
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@@ -196,19 +196,7 @@ public class ScrollingUtil {
}
private static void _ensureRangeIsVisible(JComponent c, int top, int bottom) {
if (c instanceof JList) {
JList list = ((JList)c);
int size = list.getModel().getSize();
if (top < 0) {
top = 0;
}
if (bottom >= size) {
bottom = size - 1;
}
Rectangle cellBounds = list.getCellBounds(top, bottom);
if (cellBounds != null) {
cellBounds.x = 0;
c.scrollRectToVisible(cellBounds);
}
ensureRangeIsVisible((JList)c, top, bottom);
}
else if (c instanceof JTable) {
JTable table = (JTable)c;
@@ -497,25 +485,16 @@ public class ScrollingUtil {
moveHome(table);
return;
}
int size = table.getModel().getRowCount();
int decrement = visible - 1;
int step = visible - 1;
ListSelectionModel selectionModel = table.getSelectionModel();
int index = Math.max(selectionModel.getMinSelectionIndex() - decrement, 0);
int index = Math.max(selectionModel.getMinSelectionIndex() - step, 0);
int visibleIndex = getLeadingRow(table, table.getVisibleRect());
int top = visibleIndex - decrement;
int top = visibleIndex - step;
if (top < 0) {
top = 0;
}
int bottom = top + visible - 1;
if (bottom >= size) {
bottom = size - 1;
}
Rectangle cellBounds = getCellBounds(table, top, bottom);
table.scrollRectToVisible(cellBounds);
table.getSelectionModel().setSelectionInterval(index, index);
ensureIndexIsVisible(table, index, 0);
_scrollAfterPageMove(table, top, bottom, index);
}
public static void movePageDown(JTable table) {
@@ -525,12 +504,17 @@ public class ScrollingUtil {
return;
}
ListSelectionModel selectionModel = table.getSelectionModel();
int size = table.getModel().getRowCount();
int increment = visible - 1;
int index = Math.min(selectionModel.getMinSelectionIndex() + increment, size - 1);
int step = visible - 1;
int firstVisibleRow = getLeadingRow(table, table.getVisibleRect());
int top = firstVisibleRow + increment;
int top = firstVisibleRow + step;
int bottom = top + visible - 1;
int size = table.getModel().getRowCount();
int index = Math.min(selectionModel.getMinSelectionIndex() + step, size - 1);
_scrollAfterPageMove(table, top, bottom, index);
}
private static void _scrollAfterPageMove(JTable table, int top, int bottom, int index) {
int size = table.getModel().getRowCount();
if (bottom >= size) {
bottom = size - 1;
}