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Diffstat (limited to 'bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextAnnotationHover.java')
| -rw-r--r-- | bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextAnnotationHover.java | 385 |
1 files changed, 0 insertions, 385 deletions
diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextAnnotationHover.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextAnnotationHover.java deleted file mode 100644 index 24123e85dc..0000000000 --- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/StructuredTextAnnotationHover.java +++ /dev/null @@ -1,385 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2004 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; - -import java.io.IOException; -import java.io.Reader; -import java.io.StringReader; -import java.util.ArrayList; -import java.util.Iterator; -import java.util.List; - -import org.eclipse.core.resources.IMarker; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.debug.core.DebugPlugin; -import org.eclipse.debug.core.IBreakpointManager; -import org.eclipse.debug.core.model.IBreakpoint; -import org.eclipse.debug.ui.DebugUITools; -import org.eclipse.debug.ui.IDebugModelPresentation; -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.Position; -import org.eclipse.jface.text.source.Annotation; -import org.eclipse.jface.text.source.IAnnotationHover; -import org.eclipse.jface.text.source.IAnnotationModel; -import org.eclipse.jface.text.source.ISourceViewer; -import org.eclipse.swt.graphics.GC; -import org.eclipse.swt.graphics.Rectangle; -import org.eclipse.swt.widgets.Display; -import org.eclipse.ui.texteditor.MarkerAnnotation; -import org.eclipse.wst.sse.core.util.StringUtils; -import org.eclipse.wst.sse.ui.internal.Logger; -import org.eclipse.wst.sse.ui.internal.SSEUIPlugin; -import org.eclipse.wst.sse.ui.internal.StructuredTextLineBreakingReader; - -public class StructuredTextAnnotationHover implements IAnnotationHover, IReleasable { - - /** - * Provides a set of convenience methods for creating HTML pages. Taken - * from org.eclipse.jdt.internal.ui.text.HTMLPrinter - */ - protected class HTMLPrinter { - - public HTMLPrinter() { - } - - public void addBullet(StringBuffer buffer, String bullet) { - if (bullet != null) { - buffer.append("<li>"); //$NON-NLS-1$ - buffer.append(bullet); - buffer.append("</li>"); //$NON-NLS-1$ - } - } - - public void addPageEpilog(StringBuffer buffer) { - buffer.append("</font></body></html>"); //$NON-NLS-1$ - } - - public void addPageProlog(StringBuffer buffer) { - insertPageProlog(buffer, buffer.length()); - } - - public void addParagraph(StringBuffer buffer, Reader paragraphReader) { - if (paragraphReader != null) - addParagraph(buffer, read(paragraphReader)); - } - - public void addParagraph(StringBuffer buffer, String paragraph) { - if (paragraph != null) { - buffer.append("<p>"); //$NON-NLS-1$ - buffer.append(paragraph); - } - } - - public void addSmallHeader(StringBuffer buffer, String header) { - if (header != null) { - buffer.append("<h5>"); //$NON-NLS-1$ - buffer.append(header); - buffer.append("</h5>"); //$NON-NLS-1$ - } - } - - public String convertToHTMLContent(String content) { - content = replace(content, '<', "<"); //$NON-NLS-1$ - return replace(content, '>', ">"); //$NON-NLS-1$ - } - - public void endBulletList(StringBuffer buffer) { - buffer.append("</ul>"); //$NON-NLS-1$ - } - - public void insertPageProlog(StringBuffer buffer, int position) { - buffer.insert(position, "<html><body text=\"#000000\" bgcolor=\"#FFFF88\"><font size=-1>"); //$NON-NLS-1$ - } - - public String read(Reader rd) { - - StringBuffer buffer = new StringBuffer(); - char[] readBuffer = new char[2048]; - - try { - int n = rd.read(readBuffer); - while (n > 0) { - buffer.append(readBuffer, 0, n); - n = rd.read(readBuffer); - } - return buffer.toString(); - } catch (IOException x) { - } - - return null; - } - - private String replace(String text, char c, String s) { - - int previous = 0; - int current = text.indexOf(c, previous); - - if (current == -1) - return text; - - StringBuffer buffer = new StringBuffer(); - while (current > -1) { - buffer.append(text.substring(previous, current)); - buffer.append(s); - previous = current + 1; - current = text.indexOf(c, previous); - } - buffer.append(text.substring(previous)); - - return buffer.toString(); - } - - public void startBulletList(StringBuffer buffer) { - buffer.append("<ul>"); //$NON-NLS-1$ - } - } - - private IDebugModelPresentation fDebugModelPresentation; - - protected HTMLPrinter printer = new HTMLPrinter(); - - /** - * Returns the distance to the ruler line. - */ - protected int compareRulerLine(Position position, IDocument document, int line) { - - if (position.getOffset() > -1 && position.getLength() > -1) { - try { - int markerLine = document.getLineOfOffset(position.getOffset()); - if (line == markerLine) - return 1; - if (markerLine <= line && line <= document.getLineOfOffset(position.getOffset() + position.getLength())) - return 2; - } catch (BadLocationException x) { - } - } - - return 0; - } - - /* - * Formats the message of this hover to fit onto the screen. - */ - private String formatHoverText(String text, ISourceViewer sourceViewer) { - String lineDelim = new String(); - try { - lineDelim = sourceViewer.getDocument().getLineDelimiter(0); - } catch (org.eclipse.jface.text.BadLocationException exception) { - // skip, just use default - } - Display display = sourceViewer.getTextWidget().getDisplay(); - - // replace special characters in text with html entity (like <, >, & - // to <, >, &&;) - text = StringUtils.convertToHTMLContent(text); - - Reader textReader = new StringReader(text); - GC gc = new GC(display); - try { - StringBuffer buf = new StringBuffer(); - - StructuredTextLineBreakingReader reader = new StructuredTextLineBreakingReader(textReader, gc, getHoverWidth(display)); - String line = reader.readLine(); - while (line != null) { - if (buf.length() != 0) { - buf.append(lineDelim); - } - buf.append(line); - line = reader.readLine(); - } - return buf.toString(); - } catch (IOException exception) { - throw new org.eclipse.wst.sse.core.exceptions.SourceEditingRuntimeException(exception); - } finally { - gc.dispose(); - } - } - - /* - * Formats several message as HTML text. - */ - private String formatMultipleHoverText(List messages) { - - StringBuffer buffer = new StringBuffer(); - printer.addPageProlog(buffer); - printer.addParagraph(buffer, SSEUIPlugin.getResourceString("%Multiple_errors")); //$NON-NLS-1$ - - printer.startBulletList(buffer); - Iterator e = messages.iterator(); - while (e.hasNext()) - printer.addBullet(buffer, printer.convertToHTMLContent((String) e.next())); - printer.endBulletList(buffer); - - printer.addPageEpilog(buffer); - return buffer.toString(); - } - - /** - * @see IVerticalRulerHover#getHoverInfo(ISourceViewer, int) - */ - public String getHoverInfo(ISourceViewer sourceViewer, int lineNumber) { - IMarker marker = getMarker(sourceViewer, lineNumber); - List messages = new ArrayList(marker == null ? 0 : 1); - if (marker != null) { - String text = marker.getAttribute(IMarker.MESSAGE, (String) null); - if (text != null) { - messages.add(text); - } else { - try { - if (marker.isSubtypeOf(IBreakpoint.BREAKPOINT_MARKER)) { - IBreakpointManager manager = DebugPlugin.getDefault().getBreakpointManager(); - IBreakpoint[] breakpoints = manager.getBreakpoints(); - for (int i = 0; i < breakpoints.length; i++) { - IBreakpoint breakpoint = breakpoints[i]; - if (breakpoint.getMarker().equals(marker)) { - if (fDebugModelPresentation == null) { - fDebugModelPresentation = DebugUITools.newDebugModelPresentation(); - } - text = fDebugModelPresentation.getText(breakpoint); - if (text != null) { - messages.add(text); - } - } - } - } - } catch (CoreException e) { - Logger.logException(e); - } - } - } - List temporaryAnnotations = getTemporaryAnnotationsForLine(sourceViewer, lineNumber); - for (int i = 0; i < temporaryAnnotations.size(); i++) { - String message = ((Annotation) temporaryAnnotations.get(i)).getText(); - if (message != null) { - boolean duplicated = false; - for (int j = 0; j < messages.size(); j++) - duplicated = duplicated || messages.get(j).equals(message); - if (!duplicated) - messages.add(message); - // else - // System.out.println("duplicated message found: " + - // StringUtils.escape(message)); - } else - messages.add(((ITemporaryAnnotation) temporaryAnnotations.get(i)).toString()); - } - if (messages.size() > 1) - return formatMultipleHoverText(messages); - else if (messages.size() > 0) - return formatHoverText(messages.get(0).toString(), sourceViewer); - else - return null; - } - - private int getHoverWidth(Display display) { - Rectangle displayBounds = display.getBounds(); - int hoverWidth = displayBounds.width - (display.getCursorLocation().x - displayBounds.x); - hoverWidth -= 12; // XXX: Add some space to the border, Revisit - if (hoverWidth < 200) { - hoverWidth = 200; - } - return hoverWidth; - } - - /** - * Returns one marker which includes the ruler's line of activity. - */ - protected IMarker getMarker(ISourceViewer viewer, int line) { - - IDocument document = viewer.getDocument(); - IAnnotationModel model = viewer.getAnnotationModel(); - - if (model == null) - return null; - - List exact = new ArrayList(); - List including = new ArrayList(); - - Iterator e = model.getAnnotationIterator(); - while (e.hasNext()) { - Object o = e.next(); - if (o instanceof MarkerAnnotation) { - MarkerAnnotation a = (MarkerAnnotation) o; - switch (compareRulerLine(model.getPosition(a), document, line)) { - case 1 : - exact.add(a.getMarker()); - break; - case 2 : - including.add(a.getMarker()); - break; - } - } - } - - return select(exact, including); - } - - /** - * Returns one marker which includes the ruler's line of activity. - */ - protected List getTemporaryAnnotationsForLine(ISourceViewer viewer, int line) { - - IDocument document = viewer.getDocument(); - IAnnotationModel model = viewer.getAnnotationModel(); - - if (model == null) - return null; - - List exact = new ArrayList(); - List including = new ArrayList(); - - Iterator e = model.getAnnotationIterator(); - while (e.hasNext()) { - Object o = e.next(); - if (o instanceof ITemporaryAnnotation) { - ITemporaryAnnotation a = (ITemporaryAnnotation) o; - Position position = model.getPosition((Annotation) a); - if (position == null) - continue; - - switch (compareRulerLine(position, document, line)) { - case 1 : - exact.add(a); - break; - case 2 : - including.add(a); - break; - } - } - } - - return exact; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.wst.sse.ui.IReleasable#release() - */ - public void release() { - if (fDebugModelPresentation != null) { - fDebugModelPresentation.dispose(); - } - } - - /** - * Selects one marker from the two lists. - */ - protected IMarker select(List firstChoice, List secondChoice) { - if (!firstChoice.isEmpty()) - return (IMarker) firstChoice.get(0); - if (!secondChoice.isEmpty()) - return (IMarker) secondChoice.get(0); - return null; - } -} |