Examples with UndoableEditor org.eclipse.che.ide.api.editor.texteditor.UndoableEditor used on opensource projects

Example 1 with UndoableEditor

use of org.eclipse.che.ide.api.editor.texteditor.UndoableEditor in project che by eclipse.

the class ContentAssistWidget method applyCompletion.

private void applyCompletion(Completion completion) {
    textEditor.setFocus();
    UndoableEditor undoableEditor = textEditor;
    HandlesUndoRedo undoRedo = undoableEditor.getUndoRedo();
    try {
        if (undoRedo != null) {
            undoRedo.beginCompoundChange();
        }
        completion.apply(textEditor.getDocument());
        final LinearRange selection = completion.getSelection(textEditor.getDocument());
        if (selection != null) {
            textEditor.getDocument().setSelectedRange(selection, true);
        }
    } catch (final Exception e) {
        Log.error(getClass(), e);
    } finally {
        if (undoRedo != null) {
            undoRedo.endCompoundChange();
        }
    }
}

Example 2 with UndoableEditor

use of org.eclipse.che.ide.api.editor.texteditor.UndoableEditor in project che by eclipse.

the class QuickAssistWidget method createItem.

public Element createItem(final CompletionProposal proposal) {
    final Element element = Elements.createLiElement(popupResources.popupStyle().item());
    final Element icon = Elements.createDivElement(popupResources.popupStyle().icon());
    if (proposal.getIcon() != null && proposal.getIcon().getSVGImage() != null) {
        icon.appendChild((Node) proposal.getIcon().getSVGImage().getElement());
    } else if (proposal.getIcon() != null && proposal.getIcon().getImage() != null) {
        icon.appendChild((Node) proposal.getIcon().getImage().getElement());
    }
    element.appendChild(icon);
    final SpanElement label = Elements.createSpanElement(popupResources.popupStyle().label());
    label.setInnerHTML(proposal.getDisplayString());
    element.appendChild(label);
    final EventListener validateListener = new EventListener() {

        @Override
        public void handleEvent(final Event evt) {
            proposal.getCompletion(new CompletionProposal.CompletionCallback() {

                @Override
                public void onCompletion(final Completion completion) {
                    HandlesUndoRedo undoRedo = null;
                    if (textEditor instanceof UndoableEditor) {
                        UndoableEditor undoableEditor = (UndoableEditor) QuickAssistWidget.this.textEditor;
                        undoRedo = undoableEditor.getUndoRedo();
                    }
                    try {
                        if (undoRedo != null) {
                            undoRedo.beginCompoundChange();
                        }
                        completion.apply(textEditor.getDocument());
                        final LinearRange selection = completion.getSelection(textEditor.getDocument());
                        if (selection != null) {
                            textEditor.getDocument().setSelectedRange(selection, true);
                        }
                    } catch (final Exception e) {
                        Log.error(getClass(), e);
                    } finally {
                        if (undoRedo != null) {
                            undoRedo.endCompoundChange();
                        }
                    }
                }
            });
            hide();
        }
    };
    element.addEventListener(Event.DBLCLICK, validateListener, false);
    element.addEventListener(CUSTOM_EVT_TYPE_VALIDATE, validateListener, false);
    return element;
}

Example 3 with UndoableEditor

use of org.eclipse.che.ide.api.editor.texteditor.UndoableEditor in project che by eclipse.

the class JavaFormatter method applyChanges.

private void applyChanges(List<Change> changes, Document document) {
    HandlesUndoRedo undoRedo = null;
    EditorPartPresenter editorPartPresenter = editorAgent.getActiveEditor();
    if (editorPartPresenter instanceof UndoableEditor) {
        undoRedo = ((UndoableEditor) editorPartPresenter).getUndoRedo();
    }
    try {
        if (undoRedo != null) {
            undoRedo.beginCompoundChange();
        }
        for (Change change : changes) {
            document.replace(change.getOffset(), change.getLength(), change.getText());
        }
    } catch (final Exception e) {
        Log.error(getClass(), e);
    } finally {
        if (undoRedo != null) {
            undoRedo.endCompoundChange();
        }
    }
}

Example 4 with UndoableEditor

use of org.eclipse.che.ide.api.editor.texteditor.UndoableEditor in project che by eclipse.

the class UndoAction method updateInPerspective.

@Override
public void updateInPerspective(@NotNull ActionEvent event) {
    EditorPartPresenter activeEditor = editorAgent.getActiveEditor();
    boolean mustEnable = false;
    if (activeEditor != null && activeEditor instanceof UndoableEditor) {
        final HandlesUndoRedo undoRedo = ((UndoableEditor) activeEditor).getUndoRedo();
        if (undoRedo != null) {
            mustEnable = undoRedo.undoable();
        }
    }
    event.getPresentation().setEnabled(mustEnable);
}

Example 5 with UndoableEditor

use of org.eclipse.che.ide.api.editor.texteditor.UndoableEditor in project che by eclipse.

the class RedoAction method updateInPerspective.

@Override
public void updateInPerspective(@NotNull ActionEvent event) {
    EditorPartPresenter activeEditor = editorAgent.getActiveEditor();
    boolean mustEnable = false;
    if (activeEditor != null && activeEditor instanceof UndoableEditor) {
        final HandlesUndoRedo undoRedo = ((UndoableEditor) activeEditor).getUndoRedo();
        if (undoRedo != null) {
            mustEnable = undoRedo.redoable();
        }
    }
    event.getPresentation().setEnabled(mustEnable);
}