diff options
Diffstat (limited to 'bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/derived/HTMLTextPresenter.java')
-rw-r--r-- | bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/derived/HTMLTextPresenter.java | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/derived/HTMLTextPresenter.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/derived/HTMLTextPresenter.java deleted file mode 100644 index 86fa284244..0000000000 --- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/derived/HTMLTextPresenter.java +++ /dev/null @@ -1,194 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005, 2006 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.sse.ui.internal.derived; - -import java.io.IOException; -import java.io.Reader; -import java.io.StringReader; -import java.util.Iterator; - -import org.eclipse.jface.text.DefaultInformationControl; -import org.eclipse.jface.text.Region; -import org.eclipse.jface.text.TextPresentation; -import org.eclipse.swt.custom.StyleRange; -import org.eclipse.swt.graphics.GC; -import org.eclipse.swt.widgets.Display; -import org.eclipse.wst.sse.ui.internal.Logger; - -/* - * Copied from org.eclipse.jdt.internal.ui.text.HTMLTextPresenter - * Modifications were made to use own Logger to log exception, and the - * ellipses constant - */ -public class HTMLTextPresenter implements DefaultInformationControl.IInformationPresenter { - private static final String ELLIPSES = "..."; //$NON-NLS-1$ - 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; - } - - public HTMLTextPresenter() { - this(true); - } - - 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(); - while (e.hasNext()) { - - 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(); - 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; - - return (i == length ? line : line.substring(0, i)) + " "; //$NON-NLS-1$ - } - - /* - * @see IHoverInformationPresenter#updatePresentation(Display display, - * String, TextPresentation, int, int) - */ - public String updatePresentation(Display display, String hoverInfo, TextPresentation presentation, int maxWidth, int maxHeight) { - - if (hoverInfo == null) - return null; - - 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; - - while (line != null) { - - if (fEnforceUpperLineLimit && maxNumberOfLines <= 0) - break; - - if (firstLineProcessed) { - if (!lastLineFormatted) - append(buffer, LINE_DELIM, null); - else { - append(buffer, LINE_DELIM, presentation); - if (lastLineIndent != null) - append(buffer, lastLineIndent, presentation); - } - } - - append(buffer, line, null); - firstLineProcessed = true; - - lastLineFormatted = lineFormatted; - if (!lineFormatted) - lastLineIndent = null; - else if (lastLineIndent == null) - lastLineIndent = getIndent(line); - - line = reader.readLine(); - lineFormatted = reader.isFormattedLine(); - - maxNumberOfLines--; - } - - if (line != null && buffer.length() > 0) { - append(buffer, LINE_DELIM, lineFormatted ? presentation : null); - append(buffer, ELLIPSES, presentation); - } - - return trim(buffer, presentation); - - } catch (IOException e) { - Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e); - return null; - - } finally { - gc.dispose(); - } - } - - private String trim(StringBuffer buffer, TextPresentation presentation) { - - int length = buffer.length(); - - int end = length - 1; - while (end >= 0 && Character.isWhitespace(buffer.charAt(end))) - --end; - - if (end == -1) - return ""; //$NON-NLS-1$ - - if (end < length - 1) - buffer.delete(end + 1, length); - else - end = length; - - int start = 0; - while (start < end && Character.isWhitespace(buffer.charAt(start))) - ++start; - - buffer.delete(0, start); - presentation.setResultWindow(new Region(start, buffer.length())); - return buffer.toString(); - } -} |