Java tutorial
/* * This file is part of the PDF Split And Merge source code * Created on 09/giu/2014 * Copyright 2013-2014 by Andrea Vacondio (andrea.vacondio@gmail.com). * * 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 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 <http://www.gnu.org/licenses/>. */ package org.pdfsam.split; import static org.apache.commons.lang3.StringUtils.EMPTY; import static org.apache.commons.lang3.StringUtils.defaultString; import java.util.List; import java.util.Map; import java.util.Optional; import java.util.function.Consumer; import javafx.scene.control.RadioButton; import javafx.scene.control.Tooltip; import org.pdfsam.i18n.DefaultI18nContext; import org.pdfsam.support.params.SinglePdfSourceMultipleOutputParametersBuilder; import org.pdfsam.support.validation.Validators; import org.pdfsam.ui.commons.ValidableTextField; import org.pdfsam.ui.support.FXValidationSupport.ValidationState; import org.pdfsam.ui.workspace.RestorableView; import org.sejda.conversion.PageNumbersListAdapter; import org.sejda.model.parameter.SplitByPagesParameters; /** * {@link RadioButton} driving a text field that can accept a comma separated list of integer numbers. * * @author Andrea Vacondio * */ class SplitAfterRadioButton extends RadioButton implements SplitParametersBuilderCreator, RestorableView { private final ValidableTextField field; public SplitAfterRadioButton(ValidableTextField field) { super(DefaultI18nContext.getInstance().i18n("Split after the following page numbers")); this.field = field; this.field.setOnEnterValidation(true); this.field.setEnableInvalidStyle(true); this.field.setPromptText(DefaultI18nContext.getInstance().i18n("Page numbers to split at (n1,n2,n3..)")); setTooltip(new Tooltip( DefaultI18nContext.getInstance().i18n("Split the document after the given page numbers"))); this.field.setValidator(Validators.newRegexMatchingString("^([0-9]+,?)+$")); this.field.setErrorMessage(DefaultI18nContext.getInstance().i18n("Invalid page numbers")); } public SplitByPageParametersBuilder getBuilder(Consumer<String> onError) { this.field.validate(); if (this.field.getValidationState() == ValidationState.VALID) { return new SplitByPageParametersBuilder( new PageNumbersListAdapter(this.field.getText()).getPageNumbers()); } onError.accept(DefaultI18nContext.getInstance().i18n("Invalid page numbers")); return null; } public void saveStateTo(Map<String, String> data) { if (isSelected()) { data.put("splitAfter", Boolean.TRUE.toString()); } data.put("splitAfter.field", defaultString(field.getText())); } public void restoreStateFrom(Map<String, String> data) { Optional.ofNullable(data.get("splitAfter")).map(Boolean::valueOf).ifPresent(this::setSelected); field.setText(Optional.ofNullable(data.get("splitAfter.field")).orElse(EMPTY)); } /** * Builder for the {@link SplitByPagesParameters} * * @author Andrea Vacondio * */ static class SplitByPageParametersBuilder extends SinglePdfSourceMultipleOutputParametersBuilder<SplitByPagesParameters> { private List<Integer> pages; SplitByPageParametersBuilder(List<Integer> pages) { this.pages = pages; } public SplitByPagesParameters build() { SplitByPagesParameters params = new SplitByPagesParameters(); params.addPages(pages); params.setCompress(isCompress()); params.setOverwrite(isOverwrite()); params.setVersion(getVersion()); params.setOutput(getOutput()); params.setOutputPrefix(getPrefix()); params.setSource(getSource()); return params; } } }