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

Example 66 with InsertEdit

use of org.eclipse.text.edits.InsertEdit in project titan.EclipsePlug-ins by eclipse.

the class ImportSelectionDialog method organizeImportsEdit.

/**
 * Organize the imports according to the global preferences. If set,
 * <ul>
 * <li>Add imports necessary for missing references,</li>
 * <li>Remove unused imports,</li>
 * <li>Sort the import statements.</li>
 * </ul>
 * <p>
 * These changes are not applied in the function, just collected in a
 * <link>MultiTextEdit</link>, which is then returned.
 * </p>
 * TODO: notice and handle ambiguous references
 *
 * @param module
 *            The module which import statements are to organize.
 * @param document
 *            The document that contains the module.
 *
 * @return The edit, which contains the proper changes.
 */
private static MultiTextEdit organizeImportsEdit(final TTCN3Module module, final IDocument document) throws BadLocationException {
    final IProject prj = module.getProject();
    final String doc = document.get();
    final MultiTextEdit insertEdit = new MultiTextEdit();
    final MultiTextEdit removeEdit = new MultiTextEdit();
    final List<ImportText> newImports = new ArrayList<ImportText>();
    final List<ImportText> importsKept = new ArrayList<ImportText>();
    boolean needSorting = false;
    if (addImports) {
        // register the new needed imports
        final Set<String> importNamesAdded = new HashSet<String>();
        for (final Reference ref : module.getMissingReferences()) {
            final Location missLoc = findReferenceInProject(ref, prj);
            if (missLoc != null) {
                final IFile file = (IFile) missLoc.getFile();
                final ProjectSourceParser parser = GlobalParser.getProjectSourceParser(file.getProject());
                final Module addMod = parser.containedModule(file);
                final String importName = addMod.getIdentifier().getTtcnName();
                if (!importNamesAdded.contains(importName)) {
                    final StringBuilder impText = new StringBuilder("import from ").append(importName).append(" all;");
                    if (importChangeMethod.equals(OrganizeImportPreferencePage.COMMENT_THEM)) {
                        impText.append(" // Added automatically to resolve ").append(ref.getDisplayName());
                    }
                    newImports.add(new ImportText(importName, impText.toString() + NEWLINE));
                    importNamesAdded.add(importName);
                    if (reportDebug) {
                        final StringBuilder sb = new StringBuilder("For ").append(ref.getDisplayName()).append(": ");
                        sb.append(impText.toString());
                        TITANDebugConsole.println(sb.toString());
                    }
                }
            }
        }
        if (sortImports && !newImports.isEmpty()) {
            needSorting = true;
        }
    }
    if (!needSorting && sortImports) {
        // are the imports already sorted ?
        final List<ImportModule> oldImports = module.getImports();
        for (int size = oldImports.size(), i = 0; i < size - 1 && !needSorting; i++) {
            if (oldImports.get(i).getName().compareTo(oldImports.get(i + 1).getName()) > 0) {
                needSorting = true;
            }
            if (oldImports.get(i).getLocation().getOffset() > oldImports.get(i + 1).getLocation().getOffset()) {
                needSorting = true;
            }
        }
        if (!needSorting && oldImports.size() > 1) {
            // are the import strictly before the definitions ?
            final int lastImportOffset = oldImports.get(oldImports.size() - 1).getLocation().getOffset();
            final Definitions defs = module.getAssignmentsScope();
            if (defs.getNofAssignments() > 0 && !oldImports.isEmpty()) {
                for (int i = 0, size = defs.getNofAssignments(); i < size; ++i) {
                    final int temp = defs.getAssignmentByIndex(i).getLocation().getOffset();
                    if (temp < lastImportOffset) {
                        needSorting = true;
                    }
                }
            }
        }
    }
    if (needSorting || removeImports) {
        // remove the imports not needed, or every if sorting is required
        for (final ImportModule m : module.getImports()) {
            final Location delImp = m.getLocation();
            final IRegion startLineRegion = document.getLineInformationOfOffset(delImp.getOffset());
            final IRegion endLineRegion = document.getLineInformationOfOffset(delImp.getEndOffset());
            final String delimeter = document.getLineDelimiter(document.getLineOfOffset(delImp.getEndOffset()));
            final int delLength = delimeter == null ? 0 : delimeter.length();
            if (needSorting || (removeImports && !m.getUsedForImportation())) {
                if (reportDebug) {
                    final MessageConsoleStream stream = TITANDebugConsole.getConsole().newMessageStream();
                    TITANDebugConsole.println("Removing " + "'" + doc.substring(startLineRegion.getOffset(), endLineRegion.getOffset() + endLineRegion.getLength() + delLength) + "'", stream);
                    TITANDebugConsole.println("From " + startLineRegion.getOffset() + " till " + ((endLineRegion.getOffset() - startLineRegion.getOffset()) + endLineRegion.getLength() + delLength), stream);
                }
                if (importChangeMethod.equals(OrganizeImportPreferencePage.COMMENT_THEM)) {
                    removeEdit.addChild(new InsertEdit(m.getLocation().getOffset(), "/*"));
                    // hack to handle the semicolon
                    removeEdit.addChild(new InsertEdit(m.getLocation().getEndOffset() + 1, "*/"));
                } else {
                    removeEdit.addChild(new DeleteEdit(startLineRegion.getOffset(), (endLineRegion.getOffset() - startLineRegion.getOffset()) + endLineRegion.getLength() + delLength));
                }
            }
            if (needSorting && (!removeImports || m.getUsedForImportation())) {
                importsKept.add(new ImportText(m.getName(), doc.substring(startLineRegion.getOffset(), endLineRegion.getOffset() + endLineRegion.getLength() + delLength)));
            }
        }
    }
    if (!newImports.isEmpty() || (sortImports && needSorting)) {
        // always insert at the beginning of the file
        final int line = document.getLineOfOffset(module.getAssignmentsScope().getLocation().getOffset());
        final IRegion lineRegion = document.getLineInformation(line);
        final String delimeter = document.getLineDelimiter(line);
        final int delimeterLength = delimeter == null ? 0 : delimeter.length();
        final int startPos = lineRegion.getOffset() + lineRegion.getLength() + delimeterLength;
        if (sortImports) {
            if (needSorting || !newImports.isEmpty()) {
                final List<ImportText> results = new ArrayList<ImportText>();
                results.addAll(importsKept);
                results.addAll(newImports);
                Collections.sort(results);
                for (final ImportText i : results) {
                    insertEdit.addChild(new InsertEdit(startPos, i.getText()));
                }
            }
        } else {
            Collections.sort(newImports);
            for (final ImportText i : newImports) {
                insertEdit.addChild(new InsertEdit(startPos, i.getText()));
            }
        }
    }
    final MultiTextEdit resultEdit = new MultiTextEdit();
    resultEdit.addChild(insertEdit);
    resultEdit.addChild(removeEdit);
    return resultEdit;
}

Example 67 with InsertEdit

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

the class BaseDocumentLifeCycleHandler method handleChanged.

public ICompilationUnit handleChanged(DidChangeTextDocumentParams params) {
    String uri = params.getTextDocument().getUri();
    ICompilationUnit unit = JDTUtils.resolveCompilationUnit(uri);
    if (unit == null || !unit.isWorkingCopy() || params.getContentChanges().isEmpty() || unit.getResource().isDerived()) {
        return unit;
    }
    try {
        if (unit.equals(sharedASTProvider.getActiveJavaElement())) {
            sharedASTProvider.disposeAST();
        }
        List<TextDocumentContentChangeEvent> contentChanges = params.getContentChanges();
        for (TextDocumentContentChangeEvent changeEvent : contentChanges) {
            Range range = changeEvent.getRange();
            int length;
            IDocument document = JsonRpcHelpers.toDocument(unit.getBuffer());
            final int startOffset;
            if (range != null) {
                Position start = range.getStart();
                startOffset = JsonRpcHelpers.toOffset(document, start.getLine(), start.getCharacter());
                length = DiagnosticsHelper.getLength(unit, range);
            } else {
                // range is optional and if not given, the whole file content is replaced
                length = unit.getSource().length();
                startOffset = 0;
            }
            TextEdit edit = null;
            String text = changeEvent.getText();
            if (length == 0) {
                edit = new InsertEdit(startOffset, text);
            } else if (text.isEmpty()) {
                edit = new DeleteEdit(startOffset, length);
            } else {
                edit = new ReplaceEdit(startOffset, length, text);
            }
            edit.apply(document, TextEdit.NONE);
        }
        triggerValidation(unit);
    } catch (JavaModelException | MalformedTreeException | BadLocationException e) {
        JavaLanguageServerPlugin.logException("Error while handling document change. URI: " + uri, e);
    }
    return unit;
}

Example 68 with InsertEdit

use of org.eclipse.text.edits.InsertEdit 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()));
}

Example 69 with InsertEdit

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

the class NewCUProposal method constructNewCUChange.

private CompilationUnitChange constructNewCUChange(ICompilationUnit cu) throws CoreException {
    String lineDelimiter = StubUtility.getLineDelimiterUsed(fCompilationUnit.getJavaProject());
    String typeStub = constructTypeStub(cu, fTypeNameWithParameters, Flags.AccPublic, lineDelimiter);
    String cuContent = constructCUContent(cu, typeStub, lineDelimiter);
    CompilationUnitChange cuChange = new CompilationUnitChange("", cu);
    cuChange.setEdit(new InsertEdit(0, cuContent));
    return cuChange;
}

Example 70 with InsertEdit

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

the class ChangeUtilTest method testConvertCompilationUnitChange.

// Text Changes
@Test
public void testConvertCompilationUnitChange() throws CoreException {
    IPackageFragment pack1 = sourceFolder.createPackageFragment("test1", false, null);
    ICompilationUnit cu = pack1.createCompilationUnit("E.java", "", false, null);
    CompilationUnitChange change = new CompilationUnitChange("insertText", cu);
    String newText = "// some content";
    change.setEdit(new InsertEdit(0, newText));
    WorkspaceEdit edit = ChangeUtil.convertToWorkspaceEdit(change);
    assertEquals(edit.getDocumentChanges().size(), 1);
    TextDocumentEdit textDocumentEdit = edit.getDocumentChanges().get(0).getLeft();
    assertNotNull(textDocumentEdit);
    assertEquals(textDocumentEdit.getEdits().size(), 1);
    TextEdit textEdit = textDocumentEdit.getEdits().get(0);
    assertEquals(textEdit.getNewText(), newText);
}