/**
* Checks whether the hyperlink event originated on a <a ...> element with a relative href
* consisting of a URL fragment only, i.e. <a href="#thisIsALocalFragment">. If so,
* replies the fragment, i.e. "thisIsALocalFragment".
*
* <p>Otherwise, replies <code>null</code>
*
* @param e the hyperlink event
* @return the local fragment or <code>null</code>
*/
protected String getUrlFragment(HyperlinkEvent e) {
AttributeSet set = e.getSourceElement().getAttributes();
Object value = set.getAttribute(Tag.A);
if (!(value instanceof SimpleAttributeSet)) return null;
SimpleAttributeSet atts = (SimpleAttributeSet) value;
value = atts.getAttribute(javax.swing.text.html.HTML.Attribute.HREF);
if (value == null) return null;
String s = (String) value;
if (s.matches("#.*")) return s.substring(1);
return null;
}
@Override
public void hyperlinkUpdate(HyperlinkEvent e) {
if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
panel.history.goTo(Integer.parseInt(e.getDescription()));
panel.refresh();
} else {
final Element element = e.getSourceElement();
final int start = element.getStartOffset();
final int length = element.getEndOffset() - start;
final HTMLDocument html = ((HTMLDocument) getDocument());
if (e.getEventType() == HyperlinkEvent.EventType.ENTERED) {
html.setParagraphAttributes(start, length, hoverAttr, false);
}
if (e.getEventType() == HyperlinkEvent.EventType.EXITED) {
html.setParagraphAttributes(start, length, normalAttr, false);
}
}
}
/**
* Try to transform an address such as scilab://scilab.help/bvode into a conform URL pointing to
* the corresponding file in using jar: protocol. E.g. scilab://scilab.help/bvode will be
* transform into
* jar:file:SCI/modules/helptools/jar/scilab_fr_FR_help.jar!/scilab_fr_FR_help/bvode.html (where
* SCI has the good value)
*
* @param event the yperlink event
* @return the correct address in using jar:// protocol
*/
public URL resolvScilabLink(HyperlinkEvent event) {
int pos = SCILAB_PROTO.length();
String addr = event.getDescription();
addr = addr.trim().replaceAll("\\\\", "/");
addr = addr.substring(pos);
pos = addr.indexOf("/");
String location;
String path = "";
if (pos != -1) {
location = addr.substring(0, pos);
if (pos != addr.length()) {
path = addr.substring(pos + 1);
}
} else {
return getURLFromID(addr);
}
String[] splitLoc = location.split("\\.");
String mainLocation = null;
String subLocation;
if (splitLoc.length >= 1) {
mainLocation = splitLoc[0];
}
if (splitLoc.length >= 2) {
subLocation = splitLoc[1];
} else {
System.err.println("Unable decode the Scilab content type\n" + event.getDescription());
return null;
}
switch (subLocation) {
case "help":
if ("scilab".equals(mainLocation)) {
return getURLFromID(path);
} else {
return getURLFromID(mainLocation, path);
}
case "xcos":
case "scinotes":
if ("scilab".equals(mainLocation)) {
exec(subLocation, SCI + "/modules/" + path);
} else {
exec(subLocation, getToolboxPath() + "/" + path);
}
break;
case "demos":
if ("scilab".equals(mainLocation)) {
exec(SCI + "/modules/" + path + ".sce");
} else {
exec(getToolboxPath() + "/demos/" + path + ".sce");
}
break;
case "execexample":
execExample(
event
.getSourceElement()
.getParentElement()
.getParentElement()
.getParentElement()
.getElement(0)
.getElement(0));
break;
case "editexample":
editExample(
event
.getSourceElement()
.getParentElement()
.getParentElement()
.getParentElement()
.getElement(0)
.getElement(0));
break;
case "exec":
if (mainLocation.equals("scilab")) {
exec(SCI + "/modules/" + path);
} else {
exec(getToolboxPath() + "/" + path);
}
break;
}
return null;
}
/**
* Try to transform an address such as scilab://scilab.help/bvode into a conform URL pointing to
* the corresponding file in using jar: protocol. E.g. scilab://scilab.help/bvode will be
* transform into
* jar:file:SCI/modules/helptools/jar/scilab_fr_FR_help.jar!/scilab_fr_FR_help/bvode.html (where
* SCI has the good value)
*
* @param address the address to convert
* @return the correct address in using jar:// protocol
*/
public URL resolvScilabLink(HyperlinkEvent event) {
int pos = SCILAB_PROTO.length();
String addr = event.getDescription();
addr = addr.trim().replaceAll("\\\\", "/");
addr = addr.substring(pos);
pos = addr.indexOf("/");
String location;
String path = "";
if (pos != -1) {
location = addr.substring(0, pos);
if (pos != addr.length()) {
path = addr.substring(pos + 1);
}
} else {
return getURLFromID(addr);
}
String[] splitLoc = location.split("\\.");
String mainLocation = null;
String subLocation = null;
if (splitLoc.length >= 1) {
mainLocation = splitLoc[0];
}
if (splitLoc.length >= 2) {
subLocation = splitLoc[1];
}
if (subLocation.equals("help")) {
if (mainLocation.equals("scilab")) {
return getURLFromID(path);
} else {
return getURLFromID(mainLocation, path);
}
} else if (subLocation.equals("xcos") || subLocation.equals("scinotes")) {
if (!mainLocation.equals("scilab")) {
exec(subLocation, getToolboxPath() + "/" + path);
} else {
exec(subLocation, SCI + "/modules/" + path);
}
} else if (subLocation.equals("demos")) {
if (!mainLocation.equals("scilab")) {
exec(getToolboxPath() + "/demos/" + path + ".sce");
} else {
exec(SCI + "/modules/" + path + ".sce");
}
} else if (subLocation.equals("execexample")) {
execExample(
event
.getSourceElement()
.getParentElement()
.getParentElement()
.getParentElement()
.getElement(0)
.getElement(0));
} else if (subLocation.equals("editexample")) {
editExample(
event
.getSourceElement()
.getParentElement()
.getParentElement()
.getParentElement()
.getElement(0)
.getElement(0));
} else if (subLocation.equals("exec")) {
if (!mainLocation.equals("scilab")) {
exec(getToolboxPath() + "/" + path);
} else {
exec(SCI + "/modules/" + path);
}
}
return null;
}