Example usage for com.intellij.openapi.actionSystem IdeActions ACTION_UNDO

Introduction

In this page you can find the example usage for com.intellij.openapi.actionSystem IdeActions ACTION_UNDO.

Prototype

String ACTION_UNDO

To view the source code for com.intellij.openapi.actionSystem IdeActions ACTION_UNDO.

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Usage

From source file:com.intellij.ui.TextComponentUndoProvider.java

License:Apache License

public TextComponentUndoProvider(final JTextComponent textComponent) {
    myTextComponent = textComponent;//from  www.j  a va 2s  . c om

    myUndoableEditListener = new UndoableEditListener() {
        public void undoableEditHappened(UndoableEditEvent e) {
            myUndoManager.addEdit(e.getEdit());
        }
    };
    myTextComponent.getDocument().addUndoableEditListener(myUndoableEditListener);
    com.intellij.openapi.keymap.Keymap activeKeymap = KeymapManager.getInstance().getActiveKeymap();
    Shortcut[] undoShortcuts = activeKeymap.getShortcuts(IdeActions.ACTION_UNDO);
    Shortcut[] redoShortcuts = activeKeymap.getShortcuts(IdeActions.ACTION_REDO);

    AnAction undoAction = new AnAction() {
        @Override
        public void update(AnActionEvent e) {
            super.update(e);
            e.getPresentation().setEnabled(canUndo());
        }

        @Override
        public void actionPerformed(AnActionEvent e) {
            undo();
        }
    };

    AnAction redoAction = new AnAction() {
        @Override
        public void update(AnActionEvent e) {
            super.update(e);
            e.getPresentation().setEnabled(canRedo());
        }

        @Override
        public void actionPerformed(AnActionEvent e) {
            redo();
        }
    };

    undoAction.registerCustomShortcutSet(new CustomShortcutSet(undoShortcuts), myTextComponent);
    redoAction.registerCustomShortcutSet(new CustomShortcutSet(redoShortcuts), myTextComponent);
}

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