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Rich text control for JavaFX
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/*
 * Copyright (c) 2022, 2023, Gluon
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL GLUON BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.gluonhq.richtextarea.viewmodel;

import javafx.beans.binding.BooleanBinding;

class ActionCmdRemoveText implements ActionCmd {

    private final int caretOffset;
    private final RichTextAreaViewModel.Remove remove;

    public ActionCmdRemoveText(int caretOffset) {
        this(caretOffset, RichTextAreaViewModel.Remove.LETTER);
    }

    public ActionCmdRemoveText(int caretOffset, RichTextAreaViewModel.Remove remove) {
        this.caretOffset = caretOffset;
        this.remove = remove;
    }

    @Override
    public void apply(RichTextAreaViewModel viewModel) {
        if (viewModel.isEditable()) {
            if (remove == RichTextAreaViewModel.Remove.WORD) {
                viewModel.removeWord();
            } else if (remove == RichTextAreaViewModel.Remove.LINE) {
                viewModel.removeLine();
            } else {
                viewModel.getCommandManager().execute(new RemoveTextCmd(caretOffset));
            }
        }
    }

    @Override
    public BooleanBinding getDisabledBinding(RichTextAreaViewModel viewModel) {
        return viewModel.editableProperty().not();
    }
}