GoToCommand.java

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jledit.command.editor;

import org.jledit.ConsoleEditor;
import org.jledit.command.Command;

import java.io.IOException;

public class GoToCommand implements Command {

    private final ConsoleEditor editor;
    private final int line;
    private final int column;

    public GoToCommand(ConsoleEditor editor) {
        this(editor, 0, 0);
    }

    public GoToCommand(ConsoleEditor editor, int line, int column) {
        this.editor = editor;
        this.line = line;
        this.column = column;
    }

    @Override
    public void execute() {
        if (line == 0 || column == 0) {
            try {
                int targetLine = 1;
                int targetColumn = 1;
                String[] coords = editor.readLine("Go to:").split(",");
                if (coords.length == 1) {
                    targetLine = Integer.parseInt(coords[0]);
                } else if (coords.length == 2) {
                    targetLine = Integer.parseInt(coords[0]);
                    targetColumn = Integer.parseInt(coords[1]);
                }
                editor.move(targetLine, targetColumn);
            } catch (Exception e) {
                //noop
            }
        } else {
            editor.move(line, column);
        }
    }
}