diff options
Diffstat (limited to 'plugins/org.eclipse.jst.common.annotations.ui/src/org/eclipse/jst/common/internal/annotations/ui/AbstractAnnotationTagProposal.java')
| -rw-r--r-- | plugins/org.eclipse.jst.common.annotations.ui/src/org/eclipse/jst/common/internal/annotations/ui/AbstractAnnotationTagProposal.java | 926 |
1 files changed, 0 insertions, 926 deletions
diff --git a/plugins/org.eclipse.jst.common.annotations.ui/src/org/eclipse/jst/common/internal/annotations/ui/AbstractAnnotationTagProposal.java b/plugins/org.eclipse.jst.common.annotations.ui/src/org/eclipse/jst/common/internal/annotations/ui/AbstractAnnotationTagProposal.java deleted file mode 100644 index 9f1a77baf..000000000 --- a/plugins/org.eclipse.jst.common.annotations.ui/src/org/eclipse/jst/common/internal/annotations/ui/AbstractAnnotationTagProposal.java +++ /dev/null @@ -1,926 +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 - *******************************************************************************/ -package org.eclipse.jst.common.internal.annotations.ui; - -import java.io.IOException; -import java.net.URL; - -import org.eclipse.core.runtime.FileLocator; -import org.eclipse.core.runtime.IProgressMonitor; -import org.eclipse.core.runtime.Platform; -import org.eclipse.jdt.core.IJavaElement; -import org.eclipse.jdt.core.IJavaProject; -import org.eclipse.jdt.core.JavaCore; -import org.eclipse.jdt.core.compiler.CharOperation; -import org.eclipse.jdt.ui.JavaUI; -import org.eclipse.jdt.ui.PreferenceConstants; -import org.eclipse.jface.preference.IPreferenceStore; -import org.eclipse.jface.preference.PreferenceConverter; -import org.eclipse.jface.text.Assert; -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.BadPositionCategoryException; -import org.eclipse.jface.text.DefaultPositionUpdater; -import org.eclipse.jface.text.DocumentCommand; -import org.eclipse.jface.text.DocumentEvent; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.IInformationControlCreator; -import org.eclipse.jface.text.IPositionUpdater; -import org.eclipse.jface.text.IRegion; -import org.eclipse.jface.text.ITextViewer; -import org.eclipse.jface.text.ITextViewerExtension2; -import org.eclipse.jface.text.ITextViewerExtension5; -import org.eclipse.jface.text.Position; -import org.eclipse.jface.text.Region; -import org.eclipse.jface.text.contentassist.IContextInformation; -import org.eclipse.jface.text.link.ILinkedModeListener; -import org.eclipse.jface.text.link.LinkedModeModel; -import org.eclipse.jface.text.link.LinkedModeUI; -import org.eclipse.jface.text.link.LinkedPosition; -import org.eclipse.jface.text.link.LinkedPositionGroup; -import org.eclipse.jface.text.link.LinkedModeUI.ExitFlags; -import org.eclipse.jface.text.link.LinkedModeUI.IExitPolicy; -import org.eclipse.swt.SWT; -import org.eclipse.swt.custom.StyleRange; -import org.eclipse.swt.custom.StyledText; -import org.eclipse.swt.events.VerifyEvent; -import org.eclipse.swt.graphics.Color; -import org.eclipse.swt.graphics.Image; -import org.eclipse.swt.graphics.Point; -import org.eclipse.swt.graphics.RGB; -import org.eclipse.ui.texteditor.link.EditorLinkedModeUI; -import org.osgi.framework.Bundle; - -/** - * - * @since 3.2 - */ -public abstract class AbstractAnnotationTagProposal { - /** - * A class to simplify tracking a reference position in a document. - */ - static final class ReferenceTracker { - - /** The reference position category name. */ - private static final String CATEGORY= "reference_position"; //$NON-NLS-1$ - /** The position updater of the reference position. */ - private final IPositionUpdater fPositionUpdater= new DefaultPositionUpdater(CATEGORY); - /** The reference position. */ - private final Position fPosition= new Position(0); - - /** - * Called before document changes occur. It must be followed by a call to postReplace(). - * - * @param document the document on which to track the reference position. - * - */ - public void preReplace(IDocument document, int offset) throws BadLocationException { - fPosition.setOffset(offset); - try { - document.addPositionCategory(CATEGORY); - document.addPositionUpdater(fPositionUpdater); - document.addPosition(CATEGORY, fPosition); - - } catch (BadPositionCategoryException e) { - // should not happen - e.printStackTrace(); - } - } - - /** - * Called after the document changed occurred. It must be preceded by a call to preReplace(). - * - * @param document the document on which to track the reference position. - */ - public int postReplace(IDocument document) { - try { - document.removePosition(CATEGORY, fPosition); - document.removePositionUpdater(fPositionUpdater); - document.removePositionCategory(CATEGORY); - - } catch (BadPositionCategoryException e) { - // should not happen - e.printStackTrace(); - } - return fPosition.getOffset(); - } - } - - protected static final class ExitPolicy implements IExitPolicy { - - final char fExitCharacter; - private final IDocument fDocument; - - public ExitPolicy(char exitCharacter, IDocument document) { - fExitCharacter= exitCharacter; - fDocument= document; - } - - /* - * @see org.eclipse.jdt.internal.ui.text.link.LinkedPositionUI.ExitPolicy#doExit(org.eclipse.jdt.internal.ui.text.link.LinkedPositionManager, org.eclipse.swt.events.VerifyEvent, int, int) - */ - public ExitFlags doExit(LinkedModeModel environment, VerifyEvent event, int offset, int length) { - - if (event.character == fExitCharacter) { - if (environment.anyPositionContains(offset)) - return new ExitFlags(ILinkedModeListener.UPDATE_CARET, false); - return new ExitFlags(ILinkedModeListener.UPDATE_CARET, true); - } - - switch (event.character) { - case ';': - return new ExitFlags(ILinkedModeListener.NONE, true); - case SWT.CR: - // when entering an anonymous class as a parameter, we don't want - // to jump after the parenthesis when return is pressed - if (offset > 0) { - try { - if (fDocument.getChar(offset - 1) == '{') - return new ExitFlags(ILinkedModeListener.EXIT_ALL, true); - } catch (BadLocationException e) { - } - } - // fall through - default: - return null; - } - } - - } - - private String fDisplayString; - private String fReplacementString; - private int fReplacementOffset; - private int fReplacementLength; - private int fCursorPosition; - private Image fImage; - private IContextInformation fContextInformation; - //private ProposalInfo fProposalInfo; - private char[] fTriggerCharacters; - private String fSortString; - private int fRelevance; - private boolean fIsInJavadoc; - - private StyleRange fRememberedStyleRange; - private boolean fToggleEating; - private ITextViewer fTextViewer; - - /** - * The URL of the style sheet (css). - * @since 3.2 - */ - private URL fStyleSheetURL; - - protected AbstractAnnotationTagProposal() { - } - - /* - * @see ICompletionProposalExtension#getTriggerCharacters() - */ - public char[] getTriggerCharacters() { - return fTriggerCharacters; - } - - /** - * Sets the trigger characters. - * - * @param triggerCharacters The set of characters which can trigger the application of this - * completion proposal - */ - public void setTriggerCharacters(char[] triggerCharacters) { - fTriggerCharacters= triggerCharacters; - } - - /** - * Sets the proposal info. - * - * @param proposalInfo The additional information associated with this proposal or - * <code>null</code> - */ -// public void setProposalInfo(ProposalInfo proposalInfo) { -// fProposalInfo= proposalInfo; -// } - - /** - * Returns the additional proposal info, or <code>null</code> if none exists. - * - * @return the additional proposal info, or <code>null</code> if none exists - */ -// protected ProposalInfo getProposalInfo() { -// return fProposalInfo; -// } - - /** - * Sets the cursor position relative to the insertion offset. By default this is the length of - * the completion string (Cursor positioned after the completion) - * - * @param cursorPosition The cursorPosition to set - */ - public void setCursorPosition(int cursorPosition) { - Assert.isTrue(cursorPosition >= 0); - fCursorPosition= cursorPosition; - } - - protected int getCursorPosition() { - return fCursorPosition; - } - - /* - * @see ICompletionProposal#apply - */ - public final void apply(IDocument document) { - // not used any longer - apply(document, (char) 0, getReplacementOffset() + getReplacementLength()); - } - - /* - * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension#apply(org.eclipse.jface.text.IDocument, char, int) - */ - public void apply(IDocument document, char trigger, int offset) { - try { - // patch replacement length - int delta= offset - (getReplacementOffset() + getReplacementLength()); - if (delta > 0) - setReplacementLength(getReplacementLength() + delta); - - boolean isSmartTrigger= isSmartTrigger(trigger); - - String replacement; - if (isSmartTrigger || trigger == (char) 0) { - replacement= getReplacementString(); - } else { - StringBuffer buffer= new StringBuffer(getReplacementString()); - - // fix for PR #5533. Assumes that no eating takes place. - if ((getCursorPosition() > 0 && getCursorPosition() <= buffer.length() && buffer.charAt(getCursorPosition() - 1) != trigger)) { - buffer.insert(getCursorPosition(), trigger); - setCursorPosition(getCursorPosition() + 1); - } - - replacement= buffer.toString(); - setReplacementString(replacement); - } - - // reference position just at the end of the document change. - int referenceOffset= getReplacementOffset() + getReplacementLength(); - final ReferenceTracker referenceTracker= new ReferenceTracker(); - referenceTracker.preReplace(document, referenceOffset); - - replace(document, getReplacementOffset(), getReplacementLength(), replacement); - - referenceOffset= referenceTracker.postReplace(document); - setReplacementOffset(referenceOffset - (replacement == null ? 0 : replacement.length())); - - // PR 47097 - if (isSmartTrigger) - handleSmartTrigger(document, trigger, referenceOffset); - - } catch (BadLocationException x) { - // ignore - } - } - - private boolean isSmartTrigger(char trigger) { - return trigger == ';' && getBooleanPreference(PreferenceConstants.EDITOR_SMART_SEMICOLON) - || trigger == '{' && getBooleanPreference(PreferenceConstants.EDITOR_SMART_OPENING_BRACE); - } - - private boolean getBooleanPreference(String preferenceKey) { - String value = PreferenceConstants.getPreference(preferenceKey, getProject()); - if (value != null) - return Boolean.valueOf(value).booleanValue(); - return false; - } - - private void handleSmartTrigger(IDocument document, char trigger, int referenceOffset) throws BadLocationException { - DocumentCommand cmd= new DocumentCommand() { - }; - - cmd.offset= referenceOffset; - cmd.length= 0; - cmd.text= Character.toString(trigger); - cmd.doit= true; - cmd.shiftsCaret= true; - cmd.caretOffset= getReplacementOffset() + getCursorPosition(); - -// SmartSemicolonAutoEditStrategy strategy= new SmartSemicolonAutoEditStrategy(IJavaPartitions.JAVA_PARTITIONING); -// strategy.customizeDocumentCommand(document, cmd); - - replace(document, cmd.offset, cmd.length, cmd.text); - setCursorPosition(cmd.caretOffset - getReplacementOffset() + cmd.text.length()); - } - - protected final void replace(IDocument document, int offset, int length, String string) throws BadLocationException { - if (!document.get(offset, length).equals(string)) - document.replace(offset, length, string); - } - - /* - * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension1#apply(org.eclipse.jface.text.ITextViewer, char, int, int) - */ - public void apply(ITextViewer viewer, char trigger, int stateMask, int offset) { - - IDocument document= viewer.getDocument(); - if (fTextViewer == null) - fTextViewer= viewer; - - // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=96059 - // don't apply the proposal if for some reason we're not valid any longer - if (!isInJavadoc() && !validate(document, offset, null)) { - setCursorPosition(offset - getReplacementOffset()); - if (trigger != '\0') { - try { - document.replace(offset, 0, String.valueOf(trigger)); - setCursorPosition(getCursorPosition() + 1); - if (trigger == '(' && autocloseBrackets()) { - document.replace(getReplacementOffset() + getCursorPosition(), 0, ")"); //$NON-NLS-1$ - setUpLinkedMode(document, ')'); - } - } catch (BadLocationException x) { - // ignore - } - } - return; - } - - // don't eat if not in preferences, XOR with modifier key 1 (Ctrl) - // but: if there is a selection, replace it! - Point selection= viewer.getSelectedRange(); - fToggleEating= (stateMask & SWT.MOD1) != 0; - int newLength= selection.x + selection.y - getReplacementOffset(); - if ((insertCompletion() ^ fToggleEating) && newLength >= 0) - setReplacementLength(newLength); - - apply(document, trigger, offset); - fToggleEating= false; - } - - /** - * Returns <code>true</code> if the proposal is within javadoc, <code>false</code> - * otherwise. - * - * @return <code>true</code> if the proposal is within javadoc, <code>false</code> otherwise - */ - protected boolean isInJavadoc(){ - return fIsInJavadoc; - } - - /** - * Sets the javadoc attribute. - * - * @param isInJavadoc <code>true</code> if the proposal is within javadoc - */ - protected void setInJavadoc(boolean isInJavadoc) { - fIsInJavadoc= isInJavadoc; - } - - /* - * @see ICompletionProposal#getSelection - */ - public Point getSelection(IDocument document) { - return new Point(getReplacementOffset() + getCursorPosition(), 0); - } - - /* - * @see ICompletionProposal#getContextInformation() - */ - public IContextInformation getContextInformation() { - return fContextInformation; - } - - /** - * Sets the context information. - * @param contextInformation The context information associated with this proposal - */ - public void setContextInformation(IContextInformation contextInformation) { - fContextInformation= contextInformation; - } - - /* - * @see ICompletionProposal#getDisplayString() - */ - public String getDisplayString() { - return fDisplayString; - } - - /* - * @see ICompletionProposal#getAdditionalProposalInfo() - */ - public String getAdditionalProposalInfo() { -// if (getProposalInfo() != null) { -// String info= getProposalInfo().getInfo(null); -// if (info != null && info.length() > 0) { -// StringBuffer buffer= new StringBuffer(); -// HTMLPrinter.insertPageProlog(buffer, 0, getStyleSheetURL()); -// buffer.append(info); -// HTMLPrinter.addPageEpilog(buffer); -// info= buffer.toString(); -// } -// return info; -// } - return null; - } - - /* - * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension5#getAdditionalProposalInfo(org.eclipse.core.runtime.IProgressMonitor) - */ - public Object getAdditionalProposalInfo(IProgressMonitor monitor) { -// if (getProposalInfo() != null) { -// String info= getProposalInfo().getInfo(monitor); -// if (info != null && info.length() > 0) { -// StringBuffer buffer= new StringBuffer(); -// HTMLPrinter.insertPageProlog(buffer, 0, getStyleSheetURL()); -// buffer.append(info); -// HTMLPrinter.addPageEpilog(buffer); -// info= buffer.toString(); -// } -// return info; -// } - return null; - } - - /** - * Returns the style sheet URL. - * - * @since 3.1 - */ - protected URL getStyleSheetURL() { - if (fStyleSheetURL == null) { - - Bundle bundle= Platform.getBundle(JavaUI.ID_PLUGIN); - fStyleSheetURL= bundle.getEntry("/JavadocHoverStyleSheet.css"); //$NON-NLS-1$ - if (fStyleSheetURL != null) { - try { - fStyleSheetURL= FileLocator.toFileURL(fStyleSheetURL); - } catch (IOException ex) { - ex.printStackTrace(); - } - } - } - return fStyleSheetURL; - } - - /* - * @see ICompletionProposalExtension#getContextInformationPosition() - */ - public int getContextInformationPosition() { - if (getContextInformation() == null) - return getReplacementOffset() - 1; - return getReplacementOffset() + getCursorPosition(); - } - - /** - * Gets the replacement offset. - * @return Returns a int - */ - public int getReplacementOffset() { - return fReplacementOffset; - } - - /** - * Sets the replacement offset. - * @param replacementOffset The replacement offset to set - */ - public void setReplacementOffset(int replacementOffset) { - Assert.isTrue(replacementOffset >= 0); - fReplacementOffset= replacementOffset; - } - - /* - * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension3#getCompletionOffset() - */ - public int getPrefixCompletionStart(IDocument document, int completionOffset) { - return getReplacementOffset(); - } - - /** - * Gets the replacement length. - * @return Returns a int - */ - public int getReplacementLength() { - return fReplacementLength; - } - - /** - * Sets the replacement length. - * @param replacementLength The replacementLength to set - */ - public void setReplacementLength(int replacementLength) { - Assert.isTrue(replacementLength >= 0); - fReplacementLength= replacementLength; - } - - /** - * Gets the replacement string. - * @return Returns a String - */ - public String getReplacementString() { - return fReplacementString; - } - - /** - * Sets the replacement string. - * @param replacementString The replacement string to set - */ - public void setReplacementString(String replacementString) { - Assert.isNotNull(replacementString); - fReplacementString= replacementString; - } - - /* - * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension3#getReplacementText() - */ - public CharSequence getPrefixCompletionText(IDocument document, int completionOffset) { - if (!isCamelCaseMatching()) - return getReplacementString(); - - String prefix= getPrefix(document, completionOffset); - return getCamelCaseCompound(prefix, getReplacementString()); - } - - /* - * @see ICompletionProposal#getImage() - */ - public Image getImage() { - return fImage; - } - - /** - * Sets the image. - * @param image The image to set - */ - public void setImage(Image image) { - fImage= image; - } - - /* - * @see ICompletionProposalExtension#isValidFor(IDocument, int) - */ - public boolean isValidFor(IDocument document, int offset) { - return validate(document, offset, null); - } - - /* - * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#validate(org.eclipse.jface.text.IDocument, int, org.eclipse.jface.text.DocumentEvent) - */ - public boolean validate(IDocument document, int offset, DocumentEvent event) { - - if (offset < getReplacementOffset()) - return false; - - boolean validated= isValidPrefix(getPrefix(document, offset)); - - if (validated && event != null) { - // adapt replacement range to document change - int delta= (event.fText == null ? 0 : event.fText.length()) - event.fLength; - final int newLength= Math.max(getReplacementLength() + delta, 0); - setReplacementLength(newLength); - } - - return validated; - } - - /** - * Checks whether <code>prefix</code> is a valid prefix for this proposal. Usually, while code - * completion is in progress, the user types and edits the prefix in the document in order to - * filter the proposal list. From {@link #validate(IDocument, int, DocumentEvent) }, the - * current prefix in the document is extracted and this method is called to find out whether the - * proposal is still valid. - * <p> - * The default implementation checks if <code>prefix</code> is a prefix of the proposal's - * {@link #getDisplayString() display string} using the {@link #isPrefix(String, String) } - * method. - * </p> - * - * @param prefix the current prefix in the document - * @return <code>true</code> if <code>prefix</code> is a valid prefix of this proposal - */ - protected boolean isValidPrefix(String prefix) { - /* - * See http://dev.eclipse.org/bugs/show_bug.cgi?id=17667 - * why we do not use the replacement string. - * String word= fReplacementString; - */ - return isPrefix(prefix, getDisplayString()); - } - - /** - * Gets the proposal's relevance. - * @return Returns a int - */ - public int getRelevance() { - return fRelevance; - } - - /** - * Sets the proposal's relevance. - * @param relevance The relevance to set - */ - public void setRelevance(int relevance) { - fRelevance= relevance; - } - - /** - * Returns the text in <code>document</code> from {@link #getReplacementOffset()} to - * <code>offset</code>. Returns the empty string if <code>offset</code> is before the - * replacement offset or if an exception occurs when accessing the document. - * - * @since 3.2 - */ - protected String getPrefix(IDocument document, int offset) { - try { - int length= offset - getReplacementOffset(); - if (length > 0) - return document.get(getReplacementOffset(), length); - } catch (BadLocationException x) { - } - return ""; //$NON-NLS-1$ - } - - /** - * Case insensitive comparison of <code>prefix</code> with the start of <code>string</code>. - * Returns <code>false</code> if <code>prefix</code> is longer than <code>string</code> - * - * @since 3.2 - */ - protected boolean isPrefix(String prefix, String string) { - if (prefix == null || string ==null || prefix.length() > string.length()) - return false; - String start= string.substring(0, prefix.length()); - return start.equalsIgnoreCase(prefix) || isCamelCaseMatching() && CharOperation.camelCaseMatch(prefix.toCharArray(), string.toCharArray()); - } - - /** - * Matches <code>prefix</code> against <code>string</code> and replaces the matched region - * by prefix. Case is preserved as much as possible. This method returns <code>string</code> if camel case completion - * is disabled. Examples when camel case completion is enabled: - * <ul> - * <li>getCamelCompound("NuPo", "NullPointerException") -> "NuPointerException"</li> - * <li>getCamelCompound("NuPoE", "NullPointerException") -> "NuPoException"</li> - * <li>getCamelCompound("hasCod", "hashCode") -> "hasCode"</li> - * </ul> - * - * @param prefix the prefix to match against - * @param string the string to match - * @return a compound of prefix and any postfix taken from <code>string</code> - * @since 3.2 - */ - protected final String getCamelCaseCompound(String prefix, String string) { - if (prefix.length() > string.length()) - return string; - - // a normal prefix - no camel case logic at all - String start= string.substring(0, prefix.length()); - if (start.equalsIgnoreCase(prefix)) - return string; - - final char[] patternChars= prefix.toCharArray(); - final char[] stringChars= string.toCharArray(); - - for (int i= 1; i <= stringChars.length; i++) - if (CharOperation.camelCaseMatch(patternChars, 0, patternChars.length, stringChars, 0, i)) - return prefix + string.substring(i); - - // Not a camel case match at all. - // This should not happen -> stay with the default behavior - return string; - } - - /** - * Returns true if camel case matching is enabled. - * - * @since 3.2 - */ - protected boolean isCamelCaseMatching() { - IJavaProject project= getProject(); - String value; - if (project == null) - value= JavaCore.getOption(JavaCore.CODEASSIST_CAMEL_CASE_MATCH); - else - value= project.getOption(JavaCore.CODEASSIST_CAMEL_CASE_MATCH, true); - - return JavaCore.ENABLED.equals(value); - } - - private IJavaProject getProject() { - // TODO Auto-generated method stub - return null; - } - - - private static boolean insertCompletion() { - IPreferenceStore preference= PreferenceConstants.getPreferenceStore(); - return preference.getBoolean(PreferenceConstants.CODEASSIST_INSERT_COMPLETION); - } - - private static Color getForegroundColor(StyledText text) { - - IPreferenceStore preference= PreferenceConstants.getPreferenceStore(); - RGB rgb= PreferenceConverter.getColor(preference, PreferenceConstants.CODEASSIST_REPLACEMENT_FOREGROUND); - return JavaUI.getColorManager().getColor(rgb); - } - - private static Color getBackgroundColor(StyledText text) { - - IPreferenceStore preference= PreferenceConstants.getPreferenceStore(); - RGB rgb= PreferenceConverter.getColor(preference, PreferenceConstants.CODEASSIST_REPLACEMENT_BACKGROUND); - return JavaUI.getColorManager().getColor(rgb); - } - - private void repairPresentation(ITextViewer viewer) { - if (fRememberedStyleRange != null) { - if (viewer instanceof ITextViewerExtension2) { - // attempts to reduce the redraw area - ITextViewerExtension2 viewer2= (ITextViewerExtension2) viewer; - - if (viewer instanceof ITextViewerExtension5) { - - ITextViewerExtension5 extension= (ITextViewerExtension5) viewer; - IRegion modelRange= extension.widgetRange2ModelRange(new Region(fRememberedStyleRange.start, fRememberedStyleRange.length)); - if (modelRange != null) - viewer2.invalidateTextPresentation(modelRange.getOffset(), modelRange.getLength()); - - } else { - viewer2.invalidateTextPresentation(fRememberedStyleRange.start + viewer.getVisibleRegion().getOffset(), fRememberedStyleRange.length); - } - - } else - viewer.invalidateTextPresentation(); - } - } - - private void updateStyle(ITextViewer viewer) { - - StyledText text= viewer.getTextWidget(); - if (text == null || text.isDisposed()) - return; - - int widgetCaret= text.getCaretOffset(); - - int modelCaret= 0; - if (viewer instanceof ITextViewerExtension5) { - ITextViewerExtension5 extension= (ITextViewerExtension5) viewer; - modelCaret= extension.widgetOffset2ModelOffset(widgetCaret); - } else { - IRegion visibleRegion= viewer.getVisibleRegion(); - modelCaret= widgetCaret + visibleRegion.getOffset(); - } - - if (modelCaret >= getReplacementOffset() + getReplacementLength()) { - repairPresentation(viewer); - return; - } - - int offset= widgetCaret; - int length= getReplacementOffset() + getReplacementLength() - modelCaret; - - Color foreground= getForegroundColor(text); - Color background= getBackgroundColor(text); - - StyleRange range= text.getStyleRangeAtOffset(offset); - int fontStyle= range != null ? range.fontStyle : SWT.NORMAL; - - repairPresentation(viewer); - fRememberedStyleRange= new StyleRange(offset, length, foreground, background, fontStyle); - if (range != null) { - fRememberedStyleRange.strikeout= range.strikeout; - fRememberedStyleRange.underline= range.underline; - } - - // http://dev.eclipse.org/bugs/show_bug.cgi?id=34754 - try { - text.setStyleRange(fRememberedStyleRange); - } catch (IllegalArgumentException x) { - // catching exception as offset + length might be outside of the text widget - fRememberedStyleRange= null; - } - } - - /* - * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#selected(ITextViewer, boolean) - */ - public void selected(ITextViewer viewer, boolean smartToggle) { - if (!insertCompletion() ^ smartToggle) - updateStyle(viewer); - else { - repairPresentation(viewer); - fRememberedStyleRange= null; - } - } - - /* - * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension2#unselected(ITextViewer) - */ - public void unselected(ITextViewer viewer) { - repairPresentation(viewer); - fRememberedStyleRange= null; - } - - /* - * @see org.eclipse.jface.text.contentassist.ICompletionProposalExtension3#getInformationControlCreator() - */ - public IInformationControlCreator getInformationControlCreator() { -// if (!BrowserInformationControl.isAvailable(null)) -// return null; -// -// if (fCreator == null) { -// fCreator= new AbstractReusableInformationControlCreator() { -// -// /* -// * @see org.eclipse.jdt.internal.ui.text.java.hover.AbstractReusableInformationControlCreator#doCreateInformationControl(org.eclipse.swt.widgets.Shell) -// */ -// public IInformationControl doCreateInformationControl(Shell parent) { -// return new BrowserInformationControl(parent, SWT.NO_TRIM | SWT.TOOL, SWT.NONE, null); -// } -// }; -// } -// return fCreator; - return null; - } - - public String getSortString() { - return fSortString; - } - - protected void setSortString(String string) { - fSortString= string; - } - - protected ITextViewer getTextViewer() { - return fTextViewer; - } - - protected boolean isToggleEating() { - return fToggleEating; - } - - /** - * Sets up a simple linked mode at {@link #getCursorPosition()} and an exit policy that will - * exit the mode when <code>closingCharacter</code> is typed and an exit position at - * <code>getCursorPosition() + 1</code>. - * - * @param document the document - * @param closingCharacter the exit character - */ - protected void setUpLinkedMode(IDocument document, char closingCharacter) { - if (getTextViewer() != null && autocloseBrackets()) { - int offset= getReplacementOffset() + getCursorPosition(); - int exit= getReplacementOffset() + getReplacementString().length(); - try { - LinkedPositionGroup group= new LinkedPositionGroup(); - group.addPosition(new LinkedPosition(document, offset, 0, LinkedPositionGroup.NO_STOP)); - - LinkedModeModel model= new LinkedModeModel(); - model.addGroup(group); - model.forceInstall(); - - LinkedModeUI ui= new EditorLinkedModeUI(model, getTextViewer()); - ui.setSimpleMode(true); - ui.setExitPolicy(new ExitPolicy(closingCharacter, document)); - ui.setExitPosition(getTextViewer(), exit, 0, Integer.MAX_VALUE); - ui.setCyclingMode(LinkedModeUI.CYCLE_NEVER); - ui.enter(); - } catch (BadLocationException x) { - x.printStackTrace(); - } - } - } - - protected boolean autocloseBrackets() { - IPreferenceStore preferenceStore= PreferenceConstants.getPreferenceStore(); - return preferenceStore.getBoolean(PreferenceConstants.EDITOR_CLOSE_BRACKETS); - } - - protected void setDisplayString(String string) { - fDisplayString= string; - } - - /* - * @see java.lang.Object#toString() - */ - public String toString() { - return getDisplayString(); - } - - /** - * Returns the java element proposed by the receiver, possibly <code>null</code>. - * - * @return the java element proposed by the receiver, possibly <code>null</code> - */ - public IJavaElement getJavaElement() { -// if (getProposalInfo() != null) -// try { -// return getProposalInfo().getJavaElement(); -// } catch (JavaModelException x) { -// JavaPlugin.log(x); -// } - return null; - } -} |