Examples with DeleteEdit org.eclipse.text.edits.DeleteEdit used on opensource projects

Example 31 with DeleteEdit

use of org.eclipse.text.edits.DeleteEdit in project eclipse.platform.text by eclipse.

the class TextEditTests method testDelete1.

@Test
public void testDelete1() throws Exception {
    TextEdit e1 = new DeleteEdit(3, 1);
    fRoot.addChild(e1);
    UndoEdit undo = fRoot.apply(fDocument);
    assertEquals(fRoot, 3, 0);
    assertEquals(e1, 3, 0);
    Assert.assertEquals("Buffer content", "012456789", fDocument.get());
    doUndoRedo(undo, "012456789");
}

Example 32 with DeleteEdit

use of org.eclipse.text.edits.DeleteEdit in project eclipse.platform.text by eclipse.

the class RemoveTrailingWhitespaceOperation method computeTextEdit.

@Override
protected MultiTextEditWithProgress computeTextEdit(ITextFileBuffer fileBuffer, IProgressMonitor progressMonitor) throws CoreException {
    IDocument document = fileBuffer.getDocument();
    int lineCount = document.getNumberOfLines();
    SubMonitor subMonitor = SubMonitor.convert(progressMonitor, FileBuffersMessages.RemoveTrailingWhitespaceOperation_task_generatingChanges, lineCount);
    try {
        MultiTextEditWithProgress multiEdit = new MultiTextEditWithProgress(FileBuffersMessages.RemoveTrailingWhitespaceOperation_task_applyingChanges);
        for (int i = 0; i < lineCount; i++) {
            IRegion region = document.getLineInformation(i);
            if (region.getLength() == 0)
                continue;
            int lineStart = region.getOffset();
            int lineExclusiveEnd = lineStart + region.getLength();
            int j = lineExclusiveEnd - 1;
            while (j >= lineStart && Character.isWhitespace(document.getChar(j))) --j;
            ++j;
            if (j < lineExclusiveEnd)
                multiEdit.addChild(new DeleteEdit(j, lineExclusiveEnd - j));
            subMonitor.split(1);
        }
        return multiEdit.getChildrenSize() <= 0 ? null : multiEdit;
    } catch (BadLocationException x) {
        // $NON-NLS-1$
        throw new CoreException(new Status(IStatus.ERROR, FileBuffersPlugin.PLUGIN_ID, IFileBufferStatusCodes.CONTENT_CHANGE_FAILED, "", x));
    }
}

Example 33 with DeleteEdit

use of org.eclipse.text.edits.DeleteEdit in project erlide_eclipse by erlang.

the class ChangesetMaker method createReplaceEdit.

/**
 * Creates a <code>ReplaceEdit</code> object from the given parameters and
 * the stored input/output strings.
 *
 * @param addedStart
 * @param addedEnd
 * @param deletedStart
 * @param deletedEnd
 * @return
 */
private static TextEdit createReplaceEdit(final int addedStart, final int addedEnd, final int deletedStart, final int deletedEnd) {
    final TextEdit result = new MultiTextEdit();
    final int addedLength = addedEnd - addedStart + 1;
    final int deletedLength = deletedEnd - deletedStart + 1;
    final int minLength = Math.min(addedLength, deletedLength);
    if (deletedLength < addedLength) {
        result.addChild(new InsertEdit(deletedStart + minLength, ChangesetMaker.getString(addedStart + minLength, addedEnd)));
    }
    result.addChild(new ReplaceEdit(deletedStart, minLength, ChangesetMaker.getString(addedStart, addedStart + minLength - 1)));
    if (addedLength < deletedLength) {
        result.addChild(new DeleteEdit(deletedStart + minLength, deletedLength - minLength));
    }
    return result;
}

Example 34 with DeleteEdit

use of org.eclipse.text.edits.DeleteEdit in project webtools.sourceediting by eclipse.

the class JSPTranslationExtension method getJspEdit.

/**
 * Returns a corresponding TextEdit for the JSP file given a TextEdit for
 * a Java file.
 *
 * @param javaEdit
 * @return the corresponding JSP edits (not applied to the document yet)
 */
public TextEdit getJspEdit(TextEdit javaEdit) {
    if (javaEdit == null)
        return null;
    List jspEdits = new ArrayList();
    int offset = javaEdit.getOffset();
    int length = javaEdit.getLength();
    if (javaEdit instanceof MultiTextEdit && javaEdit.getChildren().length > 0) {
        IRegion r = TextEdit.getCoverage(getAllEdits(javaEdit));
        offset = r.getOffset();
        length = r.getLength();
    }
    // get java ranges that will be affected by the edit
    Position[] javaPositions = getJavaRanges(offset, length);
    // record position data before the change
    Position[] jspPositions = new Position[javaPositions.length];
    PositionDelta[] deltas = new PositionDelta[javaPositions.length];
    for (int i = 0; i < javaPositions.length; i++) {
        deltas[i] = new PositionDelta(javaPositions[i].offset, javaPositions[i].length);
        // mapping from java <-> jsp (eg. an import statement)
        if (!isIndirect(javaPositions[i].offset))
            jspPositions[i] = (Position) getJava2JspMap().get(javaPositions[i]);
    }
    if (DEBUG) {
        // $NON-NLS-1$
        System.out.println("================================================");
        // $NON-NLS-1$
        System.out.println("deltas:");
        String javaText = getJavaText();
        for (int i = 0; i < deltas.length; i++) // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        System.out.println("pos[" + deltas[i].preOffset + ":" + deltas[i].preLength + "]" + javaText.substring(deltas[i].preOffset, deltas[i].preOffset + deltas[i].preLength));
        // $NON-NLS-1$
        System.out.println("===============================================");
    }
    UndoEdit undo = null;
    // apply the edit to the java document
    try {
        undo = javaEdit.apply(getJavaDocument());
    } catch (MalformedTreeException e) {
        Logger.logException(e);
    } catch (BadLocationException e) {
        Logger.logException(e);
    }
    // now at this point Java positions are unreliable since they were
    // updated after applying java edit.
    String newJavaText = getJavaDocument().get();
    if (DEBUG)
        // $NON-NLS-1$
        System.out.println("java post format text:\n" + newJavaText);
    // record post edit data
    for (int i = 0; i < javaPositions.length; i++) deltas[i].setPostEditData(javaPositions[i].offset, javaPositions[i].length, javaPositions[i].isDeleted);
    // create appropriate text edits for deltas
    Position jspPos = null;
    // $NON-NLS-1$
    String replaceText = "";
    for (int i = 0; i < deltas.length; i++) {
        jspPos = jspPositions[i];
        if (jspPos != null) {
            if (deltas[i].isDeleted) {
                jspEdits.add(new DeleteEdit(jspPos.offset, jspPos.length));
            } else {
                replaceText = newJavaText.substring(deltas[i].postOffset, deltas[i].postOffset + deltas[i].postLength);
                // get rid of pre and post white space or fine tuned
                // adjustment later.
                // fix text here...
                replaceText = fixJspReplaceText(replaceText, jspPos);
                if (// Unwanted TextEdit can lead to MalformedTreeException.See: Bug 321977
                !(replaceText.length() == 0 && jspPos.length == 0))
                    jspEdits.add(new ReplaceEdit(jspPos.offset, jspPos.length, replaceText));
            }
            if (DEBUG)
                debugReplace(deltas, jspPos, replaceText, i);
        } else {
            // possible new import?
            if (isImport(javaPositions[i].getOffset()) && replaceText.lastIndexOf("import ") != -1) {
                // $NON-NLS-1$
                replaceText = newJavaText.substring(deltas[i].postOffset, deltas[i].postOffset + deltas[i].postLength);
                // $NON-NLS-1$ //$NON-NLS-2$
                String importText = replaceText.substring(replaceText.lastIndexOf("import "), replaceText.indexOf(";"));
                // evenutally need to check if it's XML-JSP
                // $NON-NLS-1$ //$NON-NLS-2$
                importText = "<%@page import=\"" + importText + "\" %>\n";
                jspEdits.add(new InsertEdit(0, importText));
            }
        }
    }
    TextEdit allJspEdits = createMultiTextEdit((TextEdit[]) jspEdits.toArray(new TextEdit[jspEdits.size()]));
    // editor)
    if (undo != null) {
        try {
            undo.apply(getJavaDocument());
        } catch (MalformedTreeException e) {
            Logger.logException(e);
        } catch (BadLocationException e) {
            Logger.logException(e);
        }
    }
    return allJspEdits;
}

Example 35 with DeleteEdit

use of org.eclipse.text.edits.DeleteEdit in project eclipse.jdt.ls by eclipse.

the class CorrectPackageDeclarationProposal method addEdits.

@Override
protected void addEdits(IDocument doc, TextEdit root) throws CoreException {
    super.addEdits(doc, root);
    ICompilationUnit cu = getCompilationUnit();
    IPackageFragment parentPack = (IPackageFragment) cu.getParent();
    IPackageDeclaration[] decls = cu.getPackageDeclarations();
    if (parentPack.isDefaultPackage() && decls.length > 0) {
        for (int i = 0; i < decls.length; i++) {
            ISourceRange range = decls[i].getSourceRange();
            root.addChild(new DeleteEdit(range.getOffset(), range.getLength()));
        }
        return;
    }
    if (!parentPack.isDefaultPackage() && decls.length == 0) {
        String lineDelim = "\n";
        // $NON-NLS-1$
        String str = "package " + parentPack.getElementName() + ';' + lineDelim + lineDelim;
        root.addChild(new InsertEdit(0, str));
        return;
    }
    root.addChild(new ReplaceEdit(fLocation.getOffset(), fLocation.getLength(), parentPack.getElementName()));
}