com.itextpdf.layout.renderer.BottomToTopFlexItemMainDirector Maven / Gradle / Ivy

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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2024 Apryse Group NV
    Authors: Apryse Software.

    This program is offered under a commercial and under the AGPL license.
    For commercial licensing, contact us at https://itextpdf.com/sales.  For AGPL licensing, see below.

    AGPL licensing:
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see .
 */
package com.itextpdf.layout.renderer;

import com.itextpdf.layout.properties.JustifyContent;
import com.itextpdf.layout.renderer.FlexUtil.FlexItemCalculationInfo;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

class BottomToTopFlexItemMainDirector extends FlexColumnItemMainDirector {
    BottomToTopFlexItemMainDirector() {
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public  void applyDirectionForLine(List renderers) {
        Collections.reverse(renderers);
    }

    @Override
    public void applyJustifyContent(List line, JustifyContent justifyContent,
            float freeSpace) {
        switch (justifyContent) {
            case NORMAL:
            case END:
            case SELF_END:
            case STRETCH:
            case SELF_START:
            case START:
            case FLEX_START:
                line.get(line.size() - 1).yShift = freeSpace;
                break;
            case CENTER:
                line.get(line.size() - 1).yShift = freeSpace / 2;
                break;
            case FLEX_END:

            case LEFT:

            case RIGHT:
            default:
                // We don't need to do anything in these cases
        }
    }
}