org.pdfsam.split.SplitModule.java Source code

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Here is the source code for org.pdfsam.split.SplitModule.java

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/* 
 * This file is part of the PDF Split And Merge source code
 * Created on 07/apr/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.pdfsam.module.ModuleDescriptorBuilder.builder;

import java.util.Map;
import java.util.Optional;
import java.util.function.Consumer;

import javafx.geometry.Pos;
import javafx.scene.Node;
import javafx.scene.control.TitledPane;
import javafx.scene.image.ImageView;
import javafx.scene.layout.Pane;
import javafx.scene.layout.VBox;

import javax.inject.Inject;
import javax.inject.Named;

import org.apache.commons.lang3.builder.Builder;
import org.pdfsam.context.UserContext;
import org.pdfsam.i18n.DefaultI18nContext;
import org.pdfsam.module.ModuleCategory;
import org.pdfsam.module.ModuleDescriptor;
import org.pdfsam.module.ModulePriority;
import org.pdfsam.module.PdfsamModule;
import org.pdfsam.support.params.SinglePdfSourceMultipleOutputParametersBuilder;
import org.pdfsam.ui.io.BrowsableOutputDirectoryField;
import org.pdfsam.ui.io.PdfDestinationPane;
import org.pdfsam.ui.module.BaseTaskExecutionModule;
import org.pdfsam.ui.prefix.PrefixPane;
import org.pdfsam.ui.selection.single.TaskParametersBuilderSingleSelectionPane;
import org.pdfsam.ui.support.Views;
import org.sejda.eventstudio.annotation.EventStation;
import org.sejda.model.parameter.AbstractSplitByPageParameters;
import org.sejda.model.prefix.Prefix;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * Simple split module to let the user set page numbers to split an input pdf document.
 * 
 * @author Andrea Vacondio
 *
 */
@PdfsamModule
public class SplitModule extends BaseTaskExecutionModule {

    private static final String MODULE_ID = "split.simple";

    private TaskParametersBuilderSingleSelectionPane selectionPane;
    private BrowsableOutputDirectoryField destinationDirectoryField;
    private PdfDestinationPane destinationPane;
    private SplitOptionsPane splitOptions = new SplitOptionsPane();
    private PrefixPane prefix = new PrefixPane();
    private ModuleDescriptor descriptor = builder().category(ModuleCategory.SPLIT)
            .name(DefaultI18nContext.getInstance().i18n("Split"))
            .description(DefaultI18nContext.getInstance().i18n("Split a pdf document at the given page numbers."))
            .priority(ModulePriority.HIGH.getPriority()).supportURL("http://www.pdfsam.org/pdf-split").build();

    @Inject
    public SplitModule(@Named(MODULE_ID + "field") BrowsableOutputDirectoryField destinationDirectoryField,
            @Named(MODULE_ID + "pane") PdfDestinationPane destinationPane) {
        this.destinationDirectoryField = destinationDirectoryField;
        this.destinationPane = destinationPane;
        this.selectionPane = new TaskParametersBuilderSingleSelectionPane(id());
        this.selectionPane.setPromptText(
                DefaultI18nContext.getInstance().i18n("Select or drag and drop the PDF you want to split"));
    }

    @Override
    public ModuleDescriptor descriptor() {
        return descriptor;
    }

    public void onSaveWorkspace(Map<String, String> data) {
        selectionPane.saveStateTo(data);
        splitOptions.saveStateTo(data);
        destinationDirectoryField.saveStateTo(data);
        destinationPane.saveStateTo(data);
        prefix.saveStateTo(data);
    }

    public void onLoadWorkspace(Map<String, String> data) {
        selectionPane.restoreStateFrom(data);
        splitOptions.restoreStateFrom(data);
        destinationDirectoryField.restoreStateFrom(data);
        destinationPane.restoreStateFrom(data);
        prefix.restoreStateFrom(data);
    }

    @Override
    protected Builder<? extends AbstractSplitByPageParameters> getBuilder(Consumer<String> onError) {
        Optional<SinglePdfSourceMultipleOutputParametersBuilder<? extends AbstractSplitByPageParameters>> builder = Optional
                .ofNullable(splitOptions.getBuilder(onError));
        builder.ifPresent(b -> {
            selectionPane.apply(b, onError);
            destinationDirectoryField.apply(b, onError);
            destinationPane.apply(b, onError);
            prefix.apply(b, onError);
        });
        return builder.orElse(null);
    }

    @Override
    protected Pane getInnerPanel() {
        VBox pane = new VBox();
        pane.setAlignment(Pos.TOP_CENTER);

        TitledPane prefixTitled = Views.titledPane(DefaultI18nContext.getInstance().i18n("File names settings"),
                prefix);
        prefix.addMenuItemFor(Prefix.CURRENTPAGE);
        prefix.addMenuItemFor(Prefix.FILENUMBER);

        pane.getChildren().addAll(selectionPane,
                Views.titledPane(DefaultI18nContext.getInstance().i18n("Split settings"), splitOptions),
                Views.titledPane(DefaultI18nContext.getInstance().i18n("Destination directory"), destinationPane),
                prefixTitled);
        return pane;
    }

    @Override
    @EventStation
    public String id() {
        return MODULE_ID;
    }

    public Node graphic() {
        return new ImageView("split.png");
    }

    @Configuration
    public static class ModuleConfig {
        @Bean(name = MODULE_ID + "field")
        public BrowsableOutputDirectoryField destinationDirectoryField() {
            return new BrowsableOutputDirectoryField();
        }

        @Bean(name = MODULE_ID + "pane")
        public PdfDestinationPane destinationPane(
                @Named(MODULE_ID + "field") BrowsableOutputDirectoryField outputField, UserContext userContext) {
            PdfDestinationPane panel = new PdfDestinationPane(outputField, MODULE_ID, userContext);
            panel.enableSameAsSourceItem();
            return panel;
        }
    }
}