+ }
+
+ /**
+ * Test the variant of calculateIdWidth that only recomputes the width if it
+ * is not already saved in the viewport (initial value is -1)
+ */
+ @Test(groups = "Functional")
+ public void testCalculateIdWidth_noArgs()
+ {
+ AlignViewportI av = af.alignPanel.getAlignViewport();
+ av.setShowJVSuffix(true);
+ av.setFont(new Font("Courier", Font.PLAIN, 15), true);
+
+ av.setIdWidth(0);
+ Dimension d = af.alignPanel.calculateIdWidth();
+ assertEquals(d.width, 0);
+ assertEquals(d.height, 0);
+
+ av.setIdWidth(99);
+ d = af.alignPanel.calculateIdWidth();
+ assertEquals(d.width, 99);
+ assertEquals(d.height, 0);
+
+ /*
+ * note 4 pixels padding are added to the longest sequence name width
+ */
+ av.setIdWidth(-1); // force recalculation
+ d = af.alignPanel.calculateIdWidth();
+ assertEquals(d.width, 166); // 4 + pixel width of "Q93Z60_ARATH/1-118"
+ assertEquals(d.height, 12);
+ assertEquals(d.width, av.getIdWidth());
+ }
+
+ /**
+ * Test the variant of calculateIdWidth that computes the longest of any
+ * sequence name or annotation label width
+ */
+ @Test(groups = "Functional")
+ public void testCalculateIdWidth_withMaxWidth()
+ {
+ AlignViewportI av = af.alignPanel.getAlignViewport();
+ av.setShowJVSuffix(true);
+ av.setFont(new Font("Courier", Font.PLAIN, 15), true);
+ av.setShowAnnotation(false);
+ av.setIdWidth(18);
+
+ /*
+ * note 4 pixels 'padding' are added to the longest seq name/annotation label
+ */
+ Dimension d = af.alignPanel.calculateIdWidth(2000);
+ assertEquals(d.width, 166); // 4 + pixel width of "Q93Z60_ARATH/1-118"
+ assertEquals(d.height, 12); // fixed value (not used?)
+ assertEquals(av.getIdWidth(), 18); // not changed by this method
+
+ /*
+ * make the longest sequence name longer
+ */
+ SequenceI seq = af.viewport.getAlignment()
+ .findSequenceMatch("Q93Z60_ARATH")[0];
+ seq.setName(seq.getName() + "MMMMM");
+ d = af.alignPanel.calculateIdWidth(2000);
+ assertEquals(d.width, 211); // 4 + pixel width of "Q93Z60_ARATHMMMMM/1-118"
+ assertEquals(d.height, 12);
+ assertEquals(av.getIdWidth(), 18); // unchanged
+
+ /*
+ * make the longest annotation name even longer
+ * note this is checked even if annotations are not shown
+ */
+ AlignmentAnnotation aa = av.getAlignment().getAlignmentAnnotation()[0];
+ aa.label = "THIS IS A VERY LONG LABEL INDEED";
+ FontMetrics fmfor = af.alignPanel
+ .getFontMetrics(af.alignPanel.getAlabels().getFont());
+ // Assumption ID_WIDTH_PADDING == 4
+ int expwidth = 4 + fmfor.stringWidth(aa.label);
+ d = af.alignPanel.calculateIdWidth(2000);
+ assertEquals(d.width, expwidth); // 228 == ID_WIDTH_PADDING + pixel width of
+ // "THIS IS A VERY LONG LABEL INDEED"
+ assertEquals(d.height, 12);