package jalview.viewmodel;
import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertTrue;
import jalview.analysis.AlignmentGenerator;
import java.beans.PropertyChangeEvent;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collections;
import java.util.List;
import org.testng.annotations.BeforeClass;
@Test(groups = { "Functional" })
public void testScrollToWrappedVisible()
{
- ViewportRanges vr = new ViewportRanges(al);
+ AlignmentI al2 = gen.generate(60, 30, 1, 5, 5);
+
+ ViewportRanges vr = new ViewportRanges(al2);
+
+ // start with viewport on 5-14
vr.setViewportStartAndWidth(5, 10);
+ assertEquals(vr.getStartRes(), 5);
+ assertEquals(vr.getEndRes(), 14);
+
+ // scroll to 12 - no change
+ assertFalse(vr.scrollToWrappedVisible(12));
+ assertEquals(vr.getStartRes(), 5);
- vr.scrollToWrappedVisible(0);
+ // scroll to 2 - back to 0-9
+ assertTrue(vr.scrollToWrappedVisible(2));
assertEquals(vr.getStartRes(), 0);
+ assertEquals(vr.getEndRes(), 9);
- vr.scrollToWrappedVisible(10);
- assertEquals(vr.getStartRes(), 10);
+ // scroll to 9 - no change
+ assertFalse(vr.scrollToWrappedVisible(9));
+ assertEquals(vr.getStartRes(), 0);
- vr.scrollToWrappedVisible(15);
+ // scroll to 12 - moves to 10-19
+ assertTrue(vr.scrollToWrappedVisible(12));
assertEquals(vr.getStartRes(), 10);
+ assertEquals(vr.getEndRes(), 19);
+
+ vr.setStartRes(13);
+ assertEquals(vr.getStartRes(), 13);
+ assertEquals(vr.getEndRes(), 22);
+
+ // scroll to 45 - jumps to 43-52
+ assertTrue(vr.scrollToWrappedVisible(45));
+ assertEquals(vr.getStartRes(), 43);
+ assertEquals(vr.getEndRes(), 52);
}
// leave until JAL-2388 is merged and we can do without viewport
Arrays.asList("startseq", "startseq", "startseq", "startseq")));
l.reset();
- vr.scrollToWrappedVisible(5);
- assertTrue(l.verify(1, Arrays.asList("startres")));
+ /*
+ * scrollToWrappedVisible does nothing if the target position is
+ * within the current startRes-endRes range
+ */
+ assertFalse(vr.scrollToWrappedVisible(5));
+ assertTrue(l.verify(0, Collections.<String> emptyList()));
l.reset();
+
+ vr.scrollToWrappedVisible(25);
+ assertTrue(l.verify(1, Arrays.asList("startres")));
}
@Test(groups = { "Functional" })
}
}
}
+
+ @Test(groups = { "Functional" })
+ public void testScrollUp_wrapped()
+ {
+ /*
+ * alignment 30 tall and 45 wide
+ */
+ AlignmentI al2 = gen.generate(45, 30, 1, 0, 5);
+
+ /*
+ * wrapped view, 5 sequences high, start at sequence offset 1
+ */
+ ViewportRanges vr = new ViewportRanges(al2);
+ vr.setWrappedMode(true);
+ vr.setViewportStartAndHeight(1, 5);
+
+ /*
+ * offset wrapped view to column 3
+ */
+ vr.setStartEndRes(3, 22);
+
+ int startRes = vr.getStartRes();
+ int width = vr.getViewportWidth();
+ assertEquals(startRes, 3);
+ assertEquals(width, 20);
+
+ // in wrapped mode, we change startRes but not startSeq
+ // scroll down:
+ vr.scrollUp(false);
+ assertEquals(vr.getStartSeq(), 1);
+ assertEquals(vr.getStartRes(), 23);
+
+ // scroll up returns to original position
+ vr.scrollUp(true);
+ assertEquals(vr.getStartSeq(), 1);
+ assertEquals(vr.getStartRes(), 3);
+
+ // scroll up again returns to 'origin'
+ vr.scrollUp(true);
+ assertEquals(vr.getStartSeq(), 1);
+ assertEquals(vr.getStartRes(), 0);
+
+ /*
+ * offset 3 columns once more and do some scroll downs
+ */
+ vr.setStartEndRes(3, 22);
+ vr.scrollUp(false);
+ assertEquals(vr.getStartSeq(), 1);
+ assertEquals(vr.getStartRes(), 23);
+ vr.scrollUp(false);
+ assertEquals(vr.getStartSeq(), 1);
+ assertEquals(vr.getStartRes(), 43);
+
+ /*
+ * scroll down beyond end of alignment does nothing
+ */
+ vr.scrollUp(false);
+ assertEquals(vr.getStartSeq(), 1);
+ assertEquals(vr.getStartRes(), 43);
+ }
}
// mock listener for property change events