public class HtmlTooltip extends BrowserInformationControl{
public final static String APPEARANCE_JAVADOC_FONT= "org.eclipse.jdt.ui.javadocfont"; //$NON-NLS-1$
private static final String fgStyleSheet= "/* Font definitions */\n" + //$NON-NLS-1$
"body, h1, h2, h3, h4, h5, h6, p, table, td, caption, th, ul, ol, dl, li, dd, dt {font-family: sans-serif; font-size: 9pt }\n" + //$NON-NLS-1$
"pre { font-family: monospace; font-size: 9pt }\n" + //$NON-NLS-1$
"\n" + //$NON-NLS-1$
"/* Margins */\n" + //$NON-NLS-1$
"body { overflow: auto; margin-top: 0; margin-bottom: 4; margin-left: 3; margin-right: 0 }\n" + //$NON-NLS-1$
"h1 { margin-top: 5; margin-bottom: 1 } \n" + //$NON-NLS-1$
"h2 { margin-top: 25; margin-bottom: 3 }\n" + //$NON-NLS-1$
"h3 { margin-top: 20; margin-bottom: 3 }\n" + //$NON-NLS-1$
"h4 { margin-top: 20; margin-bottom: 3 }\n" + //$NON-NLS-1$
"h5 { margin-top: 0; margin-bottom: 0 }\n" + //$NON-NLS-1$
"p { margin-top: 10px; margin-bottom: 10px }\n" + //$NON-NLS-1$
"pre { margin-left: 6 }\n" + //$NON-NLS-1$
"ul { margin-top: 0; margin-bottom: 10 }\n" + //$NON-NLS-1$
"li { margin-top: 0; margin-bottom: 0 } \n" + //$NON-NLS-1$
"li p { margin-top: 0; margin-bottom: 0 } \n" + //$NON-NLS-1$
"ol { margin-top: 0; margin-bottom: 10 }\n" + //$NON-NLS-1$
"dl { margin-top: 0; margin-bottom: 10 }\n" + //$NON-NLS-1$
"dt { margin-top: 0; margin-bottom: 0; font-weight: bold }\n" + //$NON-NLS-1$
"dd { margin-top: 0; margin-bottom: 0 }\n" + //$NON-NLS-1$
"\n" + //$NON-NLS-1$
"/* Styles and colors */\n" + //$NON-NLS-1$
"a:link { color: #0000FF }\n" + //$NON-NLS-1$
"a:hover { color: #000080 }\n" + //$NON-NLS-1$
"a:visited { text-decoration: underline }\n" + //$NON-NLS-1$
"h4 { font-style: italic }\n" + //$NON-NLS-1$
"strong { font-weight: bold }\n" + //$NON-NLS-1$
"em { font-style: italic }\n" + //$NON-NLS-1$
"var { font-style: italic }\n" + //$NON-NLS-1$
"th { font-weight: bold }\n" + //$NON-NLS-1$
""; //$NON-NLS-1$
public HtmlTooltip(Shell parent,boolean resizable) {
super(parent, APPEARANCE_JAVADOC_FONT, resizable);
}
public HtmlTooltip(Shell parent, String symbolicFontName, boolean resizable) {
super(parent, symbolicFontName, resizable);
}
protected void createContent(Composite parent) {
super.createContent(parent);
super.addLocationListener(new LocationListener() {
public void changing(LocationEvent event) {
String url = event.location;
if (url.startsWith("about:")) {
return;
}
event.doit = false;
if( url.startsWith("http"))
launchBrowser(url);
}
public void changed(LocationEvent event) {
}
});
}
protected void launchBrowser(String url) {
// open url in external browser
Program.launch(url);
}
public void setTooltip(String content){
content= addCSSToHTMLFragment(content);
super.setInformation(content);
}
/**
* Adds a HTML header and CSS info if <code>html</code> is only an HTML fragment (has no
* <html> section).
*
* @param html the html / text produced by a revision
* @return modified html
*/
private String addCSSToHTMLFragment(String html) {
int max= Math.min(100, html.length());
if (html.substring(0, max).indexOf("<html>") != -1) //$NON-NLS-1$
// there is already a header
return html;
StringBuffer info= new StringBuffer(512 + html.length());
HTMLPrinter.insertPageProlog(info, 0, fgStyleSheet);
info.append(html);
HTMLPrinter.addPageEpilog(info);
return info.toString();
}
}
