Examples with IDocumentListener org.eclipse.jface.text.IDocumentListener used on opensource projects

Example 1 with IDocumentListener

use of org.eclipse.jface.text.IDocumentListener in project che by eclipse.

the class MultiStateTextFileChange method getPreviewContent.

/*
	 * @see org.eclipse.ltk.core.refactoring.TextEditBasedChange#getPreviewContent(org.eclipse.ltk.core.refactoring.TextEditBasedChangeGroup[],org.eclipse.jface.text.IRegion,boolean,int,org.eclipse.core.runtime.IProgressMonitor)
	 */
public final String getPreviewContent(final TextEditBasedChangeGroup[] groups, final IRegion region, final boolean expand, final int surround, final IProgressMonitor monitor) throws CoreException {
    final Set cachedGroups = new HashSet(Arrays.asList(groups));
    final IDocument document = new Document(getCurrentDocument(monitor).get());
    // Marks the region in the document to be previewed
    final Position range = new Position(region.getOffset(), region.getLength());
    try {
        ComposableBufferChange change = null;
        final TextEditBasedChangeGroup[] changedGroups = getChangeGroups();
        LinkedList compositeUndo = new LinkedList();
        for (int index = 0; index < fChanges.size(); index++) {
            change = (ComposableBufferChange) fChanges.get(index);
            TextEdit copy = null;
            try {
                // Have to use a copy
                fCopier = new TextEditCopier(change.getEdit());
                copy = fCopier.perform();
                // Create a mapping from the copied edits to its originals
                final Map originalMap = new HashMap();
                for (final Iterator outer = change.getGroups().iterator(); outer.hasNext(); ) {
                    final ComposableBufferChangeGroup group = (ComposableBufferChangeGroup) outer.next();
                    for (final Iterator inner = group.getCachedEdits().iterator(); inner.hasNext(); ) {
                        final TextEdit originalEdit = (TextEdit) inner.next();
                        final TextEdit copiedEdit = fCopier.getCopy(originalEdit);
                        if (copiedEdit != null)
                            originalMap.put(copiedEdit, originalEdit);
                        else
                            //$NON-NLS-1$
                            RefactoringCorePlugin.logErrorMessage("Could not find a copy for the indexed text edit " + originalEdit.toString());
                    }
                }
                final ComposableBufferChangeGroup[] currentGroup = { null };
                final TextEdit[] currentEdit = { null };
                // Text edit processor which sets the change group and
                // current edit when processing
                final TextEditProcessor processor = new TextEditProcessor(document, copy, TextEdit.NONE) {

                    protected final boolean considerEdit(final TextEdit edit) {
                        final TextEdit originalEdit = (TextEdit) originalMap.get(edit);
                        if (originalEdit != null) {
                            currentEdit[0] = originalEdit;
                            boolean found = false;
                            for (int offset = 0; offset < changedGroups.length && !found; offset++) {
                                final ComposableBufferChangeGroup group = (ComposableBufferChangeGroup) changedGroups[offset];
                                if (group.containsEdit(originalEdit)) {
                                    currentGroup[0] = group;
                                    found = true;
                                }
                            }
                            if (!found)
                                currentGroup[0] = null;
                        } else if (!(edit instanceof MultiTextEdit)) {
                            //$NON-NLS-1$
                            RefactoringCorePlugin.logErrorMessage("Could not find the original of the copied text edit " + edit.toString());
                        }
                        return true;
                    }
                };
                final LinkedList eventUndos = new LinkedList();
                // Listener to record the undos on the document (offsets
                // relative to the document event)
                final IDocumentListener listener = new IDocumentListener() {

                    public final void documentAboutToBeChanged(final DocumentEvent event) {
                        final ComposableUndoEdit edit = new ComposableUndoEdit();
                        edit.setGroup(currentGroup[0]);
                        edit.setOriginal(currentEdit[0]);
                        edit.setUndo(createUndoEdit(document, event.getOffset(), event.getLength(), event.getText()));
                        eventUndos.addFirst(edit);
                    }

                    public final void documentChanged(final DocumentEvent event) {
                    // Do nothing
                    }
                };
                try {
                    // Record undos in LIFO order
                    document.addDocumentListener(listener);
                    processor.performEdits();
                } finally {
                    document.removeDocumentListener(listener);
                }
                compositeUndo.addFirst(eventUndos);
            } finally {
                fCopier = null;
            }
        }
        final IPositionUpdater positionUpdater = new IPositionUpdater() {

            public final void update(final DocumentEvent event) {
                final int eventOffset = event.getOffset();
                final int eventLength = event.getLength();
                final int eventOldEndOffset = eventOffset + eventLength;
                final String eventText = event.getText();
                final int eventNewLength = eventText == null ? 0 : eventText.length();
                final int eventNewEndOffset = eventOffset + eventNewLength;
                final int deltaLength = eventNewLength - eventLength;
                try {
                    final Position[] positions = event.getDocument().getPositions(COMPOSABLE_POSITION_CATEGORY);
                    for (int index = 0; index < positions.length; index++) {
                        final Position position = positions[index];
                        if (position.isDeleted())
                            continue;
                        final int offset = position.getOffset();
                        final int length = position.getLength();
                        final int end = offset + length;
                        if (offset > eventOldEndOffset) {
                            // position comes way after change - shift
                            position.setOffset(offset + deltaLength);
                        } else if (end < eventOffset) {
                        // position comes way before change - leave
                        // alone
                        } else if (offset == eventOffset) {
                        // leave alone, since the edits are overlapping
                        } else if (offset <= eventOffset && end >= eventOldEndOffset) {
                            // event completely internal to the position
                            // -
                            // adjust length
                            position.setLength(length + deltaLength);
                        } else if (offset < eventOffset) {
                            // event extends over end of position - include
                            // the
                            // replacement text into the position
                            position.setLength(eventNewEndOffset - offset);
                        } else if (end > eventOldEndOffset) {
                            // event extends from before position into it -
                            // adjust
                            // offset and length, including the replacement
                            // text into
                            // the position
                            position.setOffset(eventOffset);
                            int deleted = eventOldEndOffset - offset;
                            position.setLength(length - deleted + eventNewLength);
                        } else {
                            // event comprises the position - keep it at the
                            // same
                            // position, but always inside the replacement
                            // text
                            int newOffset = Math.min(offset, eventNewEndOffset);
                            int newEndOffset = Math.min(end, eventNewEndOffset);
                            position.setOffset(newOffset);
                            position.setLength(newEndOffset - newOffset);
                        }
                    }
                } catch (BadPositionCategoryException exception) {
                // ignore and return
                }
            }
        };
        try {
            document.addPositionCategory(COMPOSABLE_POSITION_CATEGORY);
            document.addPositionUpdater(positionUpdater);
            // Apply undos in LIFO order to get to the original document
            // Track the undos of edits which are in change groups to be
            // previewed and insert
            // Undo edits for them (corresponding to the linearized net
            // effect on the original document)
            final LinkedList undoQueue = new LinkedList();
            for (final Iterator outer = compositeUndo.iterator(); outer.hasNext(); ) {
                for (final Iterator inner = ((List) outer.next()).iterator(); inner.hasNext(); ) {
                    final ComposableUndoEdit edit = (ComposableUndoEdit) inner.next();
                    final ReplaceEdit undo = edit.getUndo();
                    final int offset = undo.getOffset();
                    final int length = undo.getLength();
                    final String text = undo.getText();
                    ComposableEditPosition position = new ComposableEditPosition();
                    if (cachedGroups.contains(edit.getGroup())) {
                        if (text == null || text.equals("")) {
                            //$NON-NLS-1$
                            position.offset = offset;
                            if (length != 0) {
                                // Undo is a delete, create final insert
                                // edit
                                position.length = 0;
                                position.setText(edit.getOriginalText());
                            } else
                                //$NON-NLS-1$
                                RefactoringCorePlugin.logErrorMessage("Dubious undo edit found: " + undo.toString());
                        } else if (length == 0) {
                            position.offset = offset;
                            // Undo is an insert, create final delete
                            // edit
                            //$NON-NLS-1$
                            position.setText("");
                            position.length = text.length();
                        } else {
                            // Undo is a replace, create final replace edit
                            position.offset = offset;
                            position.length = length;
                            position.setText(edit.getOriginalText());
                        }
                        document.addPosition(COMPOSABLE_POSITION_CATEGORY, position);
                    }
                    position = new ComposableEditPosition();
                    position.offset = undo.getOffset();
                    position.length = undo.getLength();
                    position.setText(undo.getText());
                    undoQueue.add(position);
                }
                for (final Iterator iterator = undoQueue.iterator(); iterator.hasNext(); ) {
                    final ComposableEditPosition position = (ComposableEditPosition) iterator.next();
                    document.replace(position.offset, position.length, position.getText());
                    iterator.remove();
                }
            }
            // Use a simple non deleting position updater for the range
            final IPositionUpdater markerUpdater = new NonDeletingPositionUpdater(MARKER_POSITION_CATEGORY);
            try {
                final Position[] positions = document.getPositions(COMPOSABLE_POSITION_CATEGORY);
                document.addPositionCategory(MARKER_POSITION_CATEGORY);
                document.addPositionUpdater(markerUpdater);
                document.addPosition(MARKER_POSITION_CATEGORY, range);
                for (int index = 0; index < positions.length; index++) {
                    final ComposableEditPosition position = (ComposableEditPosition) positions[index];
                    //$NON-NLS-1$
                    document.replace(position.offset, position.length, position.getText() != null ? position.getText() : "");
                }
            } catch (BadPositionCategoryException exception) {
                RefactoringCorePlugin.log(exception);
            } finally {
                document.removePositionUpdater(markerUpdater);
                try {
                    document.removePosition(MARKER_POSITION_CATEGORY, range);
                    document.removePositionCategory(MARKER_POSITION_CATEGORY);
                } catch (BadPositionCategoryException exception) {
                // Cannot happen
                }
            }
        } catch (BadPositionCategoryException exception) {
            RefactoringCorePlugin.log(exception);
        } finally {
            document.removePositionUpdater(positionUpdater);
            try {
                document.removePositionCategory(COMPOSABLE_POSITION_CATEGORY);
            } catch (BadPositionCategoryException exception) {
                RefactoringCorePlugin.log(exception);
            }
        }
        return getContent(document, new Region(range.offset, range.length), expand, surround);
    } catch (MalformedTreeException exception) {
        RefactoringCorePlugin.log(exception);
    } catch (BadLocationException exception) {
        RefactoringCorePlugin.log(exception);
    }
    return getPreviewDocument(monitor).get();
}

Example 2 with IDocumentListener

use of org.eclipse.jface.text.IDocumentListener in project eclipse.platform.text by eclipse.

the class ProjectionDocumentTest method test23.

@Test
public void test23() {
    // test document events sent out by the slave document when removing segments
    final List<DocumentEvent> receivedEvents = new ArrayList<>();
    IDocumentListener listener = new IDocumentListener() {

        @Override
        public void documentAboutToBeChanged(DocumentEvent event) {
        }

        @Override
        public void documentChanged(DocumentEvent event) {
            receivedEvents.add(event);
        }
    };
    createProjectionA();
    fSlaveDocument.addDocumentListener(listener);
    try {
        fSlaveDocument.removeMasterDocumentRange(40, 20);
    } catch (BadLocationException e) {
        assertTrue(false);
    }
    DocumentEvent[] actual = new DocumentEvent[receivedEvents.size()];
    receivedEvents.toArray(actual);
    DocumentEvent[] expected = new DocumentEvent[] { new DocumentEvent(fSlaveDocument, 20, 20, "") };
    assertSlaveEvents(expected, actual);
}

Example 3 with IDocumentListener

use of org.eclipse.jface.text.IDocumentListener in project eclipse.platform.text by eclipse.

the class CompletionProposalPopup2 method displayProposals.

/**
 *Displays this popup and install the additional info controller, so that additional info
 * is displayed when a proposal is selected and additional info is available.
 */
private void displayProposals() {
    if (fContentAssistant.addContentAssistListener(this, ContentAssistant2.PROPOSAL_SELECTOR)) {
        if (fDocumentListener == null)
            fDocumentListener = new IDocumentListener() {

                @Override
                public void documentAboutToBeChanged(DocumentEvent event) {
                    if (!fInserting)
                        fDocumentEvents.add(event);
                }

                @Override
                public void documentChanged(DocumentEvent event) {
                    if (!fInserting)
                        filterProposals();
                }
            };
        IDocument document = fViewer.getDocument();
        if (document != null)
            document.addDocumentListener(fDocumentListener);
        if (fViewer instanceof IEditingSupportRegistry) {
            IEditingSupportRegistry registry = (IEditingSupportRegistry) fViewer;
            registry.register(fFocusEditingSupport);
        }
        fProposalShell.setVisible(true);
        // visible
        if (!Helper2.okToUse(fProposalShell))
            return;
        if (fAdditionalInfoController != null) {
            fAdditionalInfoController.install(fProposalTable);
            fAdditionalInfoController.handleTableSelectionChanged();
        }
    }
}

Example 4 with IDocumentListener

use of org.eclipse.jface.text.IDocumentListener in project liferay-ide by liferay.

the class CodePropertyEditorRenderer method createContents.

@Override
protected void createContents(Composite parent) {
    PropertyEditorPart part = getPart();
    Composite scriptEditorParent = createMainComposite(parent, new CreateMainCompositeDelegate(part) {

        @Override
        public boolean canScaleVertically() {
            return true;
        }
    });
    context.adapt(scriptEditorParent);
    int textFieldParentColumns = 1;
    SapphireToolBarActionPresentation toolBarActionsPresentation = new SapphireToolBarActionPresentation(getActionPresentationManager());
    boolean actionsToolBarNeeded = toolBarActionsPresentation.hasActions();
    if (actionsToolBarNeeded || true)
        textFieldParentColumns++;
    scriptEditorParent.setLayout(glayout(textFieldParentColumns, 0, 0, 0, 0));
    Composite nestedComposite = new Composite(scriptEditorParent, SWT.NONE);
    nestedComposite.setLayoutData(gdfill());
    nestedComposite.setLayout(glspacing(glayout(2, 0, 0), 2));
    this.context.adapt(nestedComposite);
    PropertyEditorAssistDecorator decorator = createDecorator(nestedComposite);
    decorator.control().setLayoutData(gdvalign(gd(), SWT.TOP));
    decorator.addEditorControl(nestedComposite);
    /*
		 * scriptEditorParent.setLayout( new FillLayout( SWT.HORIZONTAL ) );
		 * scriptEditorParent.setLayoutData( gdhhint( gdfill(), 300 ) );
		 */
    PropertyEditorInput editorInput = new PropertyEditorInput(part.getLocalModelElement(), (ValueProperty) part.getProperty());
    try {
        ScriptLanguageType scriptLang = context.getPart().getLocalModelElement().nearest(IScriptable.class).getScriptLanguage().getContent(false);
        String fileName = scriptLang.getClass().getField(scriptLang.toString()).getAnnotation(DefaultValue.class).text();
        IContentDescription contentDescription = ContentTypeManager.getInstance().getDescriptionFor(editorInput.getStorage().getContents(), fileName, IContentDescription.ALL);
        EditorDescriptor defaultEditor = (EditorDescriptor) PlatformUI.getWorkbench().getEditorRegistry().getDefaultEditor(editorInput.getName(), contentDescription.getContentType());
        _textEditor = (ITextEditor) defaultEditor.createEditor();
    } catch (Exception e1) {
    }
    IEditorReference ref = new ScriptEditorReference(_textEditor, editorInput);
    IEditorSite site = new ScriptEditorSite(ref, _textEditor, PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage());
    try {
        _textEditor.init(site, editorInput);
        _textEditor.getDocumentProvider().getDocument(editorInput).addDocumentListener(new IDocumentListener() {

            public void documentAboutToBeChanged(DocumentEvent event) {
            }

            public void documentChanged(DocumentEvent event) {
                String content = event.getDocument().get();
                part.getLocalModelElement().write(((ValueProperty) part.getProperty()), content);
            }
        });
        ModelPropertyListener modelListener = new ModelPropertyListener() {

            @Override
            public void handlePropertyChangedEvent(ModelPropertyChangeEvent event) {
                CodePropertyEditorRenderer.this.textEditor.getDocumentProvider().getDocument(editorInput).set(part.getLocalModelElement().read(getProperty()).getText());
            }
        };
        part.getLocalModelElement().addListener(modelListener, part.getProperty().getName());
    } catch (PartInitException pie) {
        pie.printStackTrace();
    }
    Control[] prevChildren = scriptEditorParent.getChildren();
    // _textEditor.createPartControl( scriptEditorParent );
    new Label(scriptEditorParent, SWT.NONE);
    Control[] newChildren = scriptEditorParent.getChildren();
    decorator.addEditorControl(newChildren[prevChildren.length], true);
    if (actionsToolBarNeeded) {
        ToolBar toolbar = new ToolBar(scriptEditorParent, SWT.FLAT | SWT.HORIZONTAL);
        toolbar.setLayoutData(gdvfill());
        toolBarActionsPresentation.setToolBar(toolbar);
        toolBarActionsPresentation.render();
        context.adapt(toolbar);
        decorator.addEditorControl(toolbar);
    // relatedControls.add( toolbar );
    }
}

Example 5 with IDocumentListener

use of org.eclipse.jface.text.IDocumentListener in project liferay-ide by liferay.

the class ScriptPropertyEditorRenderer method createContents.

@Override
protected void createContents(Composite parent) {
    PropertyEditorPart part = part();
    Element element = part.getLocalModelElement();
    ValueProperty property = part.property().nearest(ValueProperty.class);
    CreateMainCompositeDelegate createMainCompositeDelegate = new CreateMainCompositeDelegate(part) {

        @Override
        public boolean canScaleVertically() {
            return true;
        }
    };
    Composite codeEditorParent = createMainComposite(parent, createMainCompositeDelegate);
    // context.adapt( codeEditorParent );
    int codeEditorParentColumns = 1;
    SapphireToolBarActionPresentation toolBarActionsPresentation = new SapphireToolBarActionPresentation(getActionPresentationManager());
    boolean actionsToolBarNeeded = toolBarActionsPresentation.hasActions();
    if (actionsToolBarNeeded) {
        codeEditorParentColumns++;
    }
    codeEditorParent.setLayout(glayout(codeEditorParentColumns, 0, 0, 0, 0));
    Composite nestedComposite = new Composite(codeEditorParent, SWT.NONE);
    nestedComposite.setLayoutData(gdfill());
    // nestedComposite.setLayout( glspacing( glayout( 2, 0, 0 ), 2 ) );
    addControl(nestedComposite);
    PropertyEditorAssistDecorator decorator = createDecorator(nestedComposite);
    decorator.control().setLayoutData(gdvalign(gd(), SWT.TOP));
    decorator.addEditorControl(nestedComposite);
    ScriptPropertyEditorInput editorInput = new ScriptPropertyEditorInput(element, property);
    List<Control> relatedControls = new ArrayList<>();
    try {
        IEditorSite editorSite = part().adapt(IEditorSite.class);
        _editorPart = createEditorPart(editorInput, editorSite);
        _editorPart.createPartControl(nestedComposite);
        Control editorControl = _editorPart.getAdapter(Control.class);
        // need to find the first child of nestedComposite to relayout
        // editor control
        Composite editorControlParent = null;
        Control control = editorControl;
        while ((editorControlParent == null) && (control != null) && !nestedComposite.equals(control.getParent())) {
            control = control.getParent();
        }
        nestedComposite.setLayout(glspacing(glayout(2, 0, 0), 2));
        control.setLayoutData(gdfill());
        decorator.addEditorControl(editorControl, true);
        editorControl.setData(RELATED_CONTROLS, relatedControls);
    } catch (Exception e) {
        KaleoUI.logError(e);
    }
    if (actionsToolBarNeeded) {
        ToolBar toolbar = new ToolBar(codeEditorParent, SWT.FLAT | SWT.HORIZONTAL);
        toolbar.setLayoutData(gdvfill());
        toolBarActionsPresentation.setToolBar(toolbar);
        toolBarActionsPresentation.render();
        addControl(toolbar);
        decorator.addEditorControl(toolbar);
        relatedControls.add(toolbar);
    }
    List<Class<?>> listenerClasses = part.getRenderingHint(PropertyEditorDef.HINT_LISTENERS, Collections.<Class<?>>emptyList());
    List<ValuePropertyEditorListener> listeners = new ArrayList<>();
    if (ListUtil.isNotEmpty(listenerClasses)) {
        for (Class<?> cl : listenerClasses) {
            try {
                ValuePropertyEditorListener listener = (ValuePropertyEditorListener) cl.newInstance();
                listener.initialize(this);
                listeners.add(listener);
            } catch (Exception e) {
                KaleoUI.logError(e);
            }
        }
    }
    ITextEditor textEditor = null;
    if (_editorPart instanceof ITextEditor) {
        textEditor = (ITextEditor) _editorPart;
    } else {
        ITextEditor textEdit = _editorPart.getAdapter(ITextEditor.class);
        textEditor = textEdit;
    }
    addControl((Control) textEditor.getAdapter(Control.class));
    IDocumentListener documentListener = new IDocumentListener() {

        public void documentAboutToBeChanged(DocumentEvent event) {
        }

        public void documentChanged(DocumentEvent event) {
            Value<Object> elementProperty = element.property(property);
            elementProperty.write(event.getDocument().get());
            if (ListUtil.isNotEmpty(listeners)) {
                for (ValuePropertyEditorListener listener : listeners) {
                    try {
                        listener.handleValueChanged();
                    } catch (Exception e) {
                        KaleoUI.logError(e);
                    }
                }
            }
        }
    };
    IDocumentProvider documentProvider = textEditor.getDocumentProvider();
    IDocument document = documentProvider.getDocument(_editorPart.getEditorInput());
    document.addDocumentListener(documentListener);
}