public final class JvSwingUtils
{
/**
- * wrap a bare html safe string to around 60 characters per line using a
- * <table width=350>
- * <tr>
- * <td></td> field
- * @param enclose TODO
- * @param ttext
+ * wrap a bare html safe string to around 60 characters per line using a CSS
+ * style class specifying word-wrap and break-word
+ *
+ * @param enclose
+ * if true, add <html> wrapper tags
+ * @param ttext
*
* @return
*/
{
Objects.requireNonNull(ttext, "Tootip text to format must not be null!");
ttext = ttext.trim();
- boolean maxLenghtExceeded = false;
+ boolean maxLengthExceeded = false;
+ /*
+ * Split into lines if already separated by <br> tags.
+ *
+ * TODO what about </br>, <br/>, <br /> ?
+ */
if (ttext.contains("<br>"))
{
String[] htmllines = ttext.split("<br>");
for (String line : htmllines)
{
- maxLenghtExceeded = line.length() > 60;
- if (maxLenghtExceeded)
+ maxLengthExceeded = line.length() > 60;
+ if (maxLengthExceeded)
{
break;
}
}
else
{
- maxLenghtExceeded = ttext.length() > 60;
+ maxLengthExceeded = ttext.length() > 60;
}
- if (!maxLenghtExceeded)
+ if (!maxLengthExceeded)
{
return enclose ? "<html>" + ttext + "</html>" : ttext;
}
- else
- {
- return enclose ? "<html><style> p.ttip {width: 350; text-align: justify; word-wrap: break-word;}</style><p class=\"ttip\">"
- + ttext + "</p></html>"
- : ttext;
- }
+
+ return enclose ? "<html><style> p.ttip {width: 350; text-align: justify; word-wrap: break-word;}</style><p class=\"ttip\">"
+ + ttext + "</p></html>"
+ : ttext;
}
public static JButton makeButton(String label, String tooltip,
package jalview.gui;
import static org.testng.AssertJUnit.assertEquals;
+import static org.testng.AssertJUnit.assertFalse;
import javax.swing.JScrollBar;
assertEquals(0.25f, JvSwingUtils.getScrollBarProportion(sb), 0.001f);
}
- @Test(groups ={ "Functional" })
+ @Test(groups = { "Functional" })
public void testGetScrollValueForProportion()
{
/*
*/
assertEquals(125, JvSwingUtils.getScrollValueForProportion(sb, 0.25f));
}
+
+ /**
+ * Test wrap tooltip where it is less than or equal to 60 characters long - no
+ * wrap should be applied
+ */
+ @Test(groups = { "Functional" })
+ public void testWrapTooltip_shortText()
+ {
+ String tip = "hello world";
+ assertEquals(tip, JvSwingUtils.wrapTooltip(false, tip));
+ assertEquals("<html>" + tip + "</html>",
+ JvSwingUtils.wrapTooltip(true, tip));
+
+ tip = "012345678901234567890123456789012345678901234567890123456789"; // 60
+ assertEquals(tip, JvSwingUtils.wrapTooltip(false, tip));
+ assertEquals("<html>" + tip + "</html>",
+ JvSwingUtils.wrapTooltip(true, tip));
+
+ tip = "0123456789012345678901234567890123456789012345678901234567890"; // 61
+ assertFalse(tip.equals(JvSwingUtils.wrapTooltip(false, tip)));
+ assertFalse(("<html>" + tip + "</html>").equals(JvSwingUtils
+ .wrapTooltip(true, tip)));
+ }
+
+ /**
+ * Test wrap tooltip where it is more than one line (separated by <br>
+ * tags) of less than or equal to 60 characters long - no wrap should be
+ * applied
+ */
+ @Test(groups = { "Functional" })
+ public void testWrapTooltip_multilineShortText()
+ {
+ String tip = "Now is the winter of our discontent<br>Made glorious summer by this sun of York";
+ assertEquals(tip, JvSwingUtils.wrapTooltip(false, tip));
+ assertEquals("<html>" + tip + "</html>",
+ JvSwingUtils.wrapTooltip(true, tip));
+ }
+
+ /**
+ * Test wrap tooltip where it is more than 60 characters long - word break and
+ * word wrap styling should be applied
+ */
+ @Test(groups = { "Functional" })
+ public void testWrapTooltip_longText()
+ {
+ String tip = "Now is the winter of our discontent made glorious summer by this sun of York";
+ String expected = "<style> p.ttip {width: 350; text-align: justify; word-wrap: break-word;}</style><p class=\"ttip\">"
+ + tip + "</p>";
+ assertEquals("<html>" + expected + "</html>",
+ JvSwingUtils.wrapTooltip(true, tip));
+ assertEquals(expected, JvSwingUtils.wrapTooltip(false, tip));
+ }
}