* All Rights Reserved.
*/
-
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.widgets.Display;
+public class HTMLTextPresenter implements
+ DefaultInformationControl.IInformationPresenter {
+ private static final String LINE_DELIM = System.getProperty(
+ "line.separator", "\n"); //$NON-NLS-1$ //$NON-NLS-2$
-
-public class HTMLTextPresenter implements DefaultInformationControl.IInformationPresenter {
-
- private static final String LINE_DELIM= System.getProperty("line.separator", "\n"); //$NON-NLS-1$ //$NON-NLS-2$
-
private int fCounter;
+
private boolean fEnforceUpperLineLimit;
-
+
public HTMLTextPresenter(boolean enforceUpperLineLimit) {
super();
- fEnforceUpperLineLimit= enforceUpperLineLimit;
+ fEnforceUpperLineLimit = enforceUpperLineLimit;
}
-
+
public HTMLTextPresenter() {
this(true);
}
-
- protected Reader createReader(String hoverInfo, TextPresentation presentation) {
+
+ protected Reader createReader(String hoverInfo,
+ TextPresentation presentation) {
return new HTML2TextReader(new StringReader(hoverInfo), presentation);
}
-
- protected void adaptTextPresentation(TextPresentation presentation, int offset, int insertLength) {
-
- int yoursStart= offset;
- int yoursEnd= offset + insertLength -1;
- yoursEnd= Math.max(yoursStart, yoursEnd);
-
- Iterator e= presentation.getAllStyleRangeIterator();
+
+ protected void adaptTextPresentation(TextPresentation presentation,
+ int offset, int insertLength) {
+
+ int yoursStart = offset;
+ int yoursEnd = offset + insertLength - 1;
+ yoursEnd = Math.max(yoursStart, yoursEnd);
+
+ Iterator e = presentation.getAllStyleRangeIterator();
while (e.hasNext()) {
-
- StyleRange range= (StyleRange) e.next();
-
- int myStart= range.start;
- int myEnd= range.start + range.length -1;
- myEnd= Math.max(myStart, myEnd);
-
+
+ StyleRange range = (StyleRange) e.next();
+
+ int myStart = range.start;
+ int myEnd = range.start + range.length - 1;
+ myEnd = Math.max(myStart, myEnd);
+
if (myEnd < yoursStart)
continue;
-
+
if (myStart < yoursStart)
range.length += insertLength;
else
range.start += insertLength;
}
}
-
- private void append(StringBuffer buffer, String string, TextPresentation presentation) {
-
- int length= string.length();
+
+ private void append(StringBuffer buffer, String string,
+ TextPresentation presentation) {
+
+ int length = string.length();
buffer.append(string);
-
+
if (presentation != null)
adaptTextPresentation(presentation, fCounter, length);
-
+
fCounter += length;
}
-
+
private String getIndent(String line) {
- int length= line.length();
-
- int i= 0;
- while (i < length && Character.isWhitespace(line.charAt(i))) ++i;
-
+ int length = line.length();
+
+ int i = 0;
+ while (i < length && Character.isWhitespace(line.charAt(i)))
+ ++i;
+
return (i == length ? line : line.substring(0, i)) + " "; //$NON-NLS-1$
}
-
+
/*
- * @see IHoverInformationPresenter#updatePresentation(Display display, String, TextPresentation, int, int)
+ * @see IHoverInformationPresenter#updatePresentation(Display display,
+ * String, TextPresentation, int, int)
*/
- public String updatePresentation(Display display, String hoverInfo, TextPresentation presentation, int maxWidth, int maxHeight) {
-
+ public String updatePresentation(Display display, String hoverInfo,
+ TextPresentation presentation, int maxWidth, int maxHeight) {
+
if (hoverInfo == null)
return null;
-
- GC gc= new GC(display);
+
+ GC gc = new GC(display);
try {
-
- StringBuffer buffer= new StringBuffer();
- int maxNumberOfLines= Math.round(maxHeight / gc.getFontMetrics().getHeight());
-
- fCounter= 0;
- LineBreakingReader reader= new LineBreakingReader(createReader(hoverInfo, presentation), gc, maxWidth);
-
- boolean lastLineFormatted= false;
- String lastLineIndent= null;
-
- String line=reader.readLine();
- boolean lineFormatted= reader.isFormattedLine();
- boolean firstLineProcessed= false;
-
+
+ StringBuffer buffer = new StringBuffer();
+ int maxNumberOfLines = Math.round(maxHeight
+ / gc.getFontMetrics().getHeight());
+
+ fCounter = 0;
+ LineBreakingReader reader = new LineBreakingReader(createReader(
+ hoverInfo, presentation), gc, maxWidth);
+
+ boolean lastLineFormatted = false;
+ String lastLineIndent = null;
+
+ String line = reader.readLine();
+ boolean lineFormatted = reader.isFormattedLine();
+ boolean firstLineProcessed = false;
+
while (line != null) {
-
+
if (fEnforceUpperLineLimit && maxNumberOfLines <= 0)
break;
-
+
if (firstLineProcessed) {
if (!lastLineFormatted)
append(buffer, LINE_DELIM, null);
append(buffer, lastLineIndent, presentation);
}
}
-
+
append(buffer, line, null);
- firstLineProcessed= true;
-
- lastLineFormatted= lineFormatted;
+ firstLineProcessed = true;
+
+ lastLineFormatted = lineFormatted;
if (!lineFormatted)
- lastLineIndent= null;
+ lastLineIndent = null;
else if (lastLineIndent == null)
- lastLineIndent= getIndent(line);
-
- line= reader.readLine();
- lineFormatted= reader.isFormattedLine();
-
+ lastLineIndent = getIndent(line);
+
+ line = reader.readLine();
+ lineFormatted = reader.isFormattedLine();
+
maxNumberOfLines--;
}
-
+
if (line != null) {
append(buffer, LINE_DELIM, lineFormatted ? presentation : null);
- append(buffer, PHPUIMessages.getString("HTMLTextPresenter.ellipsis"), presentation); //$NON-NLS-1$
+ append(buffer, PHPUIMessages
+ .getString("HTMLTextPresenter.ellipsis"), presentation); //$NON-NLS-1$
}
-
+
return trim(buffer, presentation);
-
+
} catch (IOException e) {
-
+
PHPeclipsePlugin.log(e);
return null;
-
+
} finally {
gc.dispose();
}
}
-
+
private String trim(StringBuffer buffer, TextPresentation presentation) {
-
- int length= buffer.length();
-
- int end= length -1;
+
+ int length = buffer.length();
+
+ int end = length - 1;
while (end >= 0 && Character.isWhitespace(buffer.charAt(end)))
- -- end;
-
+ --end;
+
if (end == -1)
return ""; //$NON-NLS-1$
-
- if (end < length -1)
+
+ if (end < length - 1)
buffer.delete(end + 1, length);
else
- end= length;
-
- int start= 0;
+ end = length;
+
+ int start = 0;
while (start < end && Character.isWhitespace(buffer.charAt(start)))
- ++ start;
-
+ ++start;
+
buffer.delete(0, start);
presentation.setResultWindow(new Region(start, buffer.length()));
return buffer.toString();
}
}
-
git://git.phpeclipse.com / phpeclipse.git / blobdiff