org.hip.vif.admin.groupadmin.ui.ContributionsListView.java Source code

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Here is the source code for org.hip.vif.admin.groupadmin.ui.ContributionsListView.java

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/**
   This package is part of the application VIF.
   Copyright (C) 2011-2014, Benno Luthiger
    
   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 2 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, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.hip.vif.admin.groupadmin.ui;

import java.util.Iterator;

import org.hip.vif.admin.groupadmin.Activator;
import org.hip.vif.admin.groupadmin.data.ContributionContainer;
import org.hip.vif.admin.groupadmin.tasks.AdminContributionsPublishablesTask;
import org.hip.vif.core.bom.impl.WorkflowAwareContribution;
import org.hip.vif.web.util.VIFViewHelper;
import org.ripla.interfaces.IMessages;
import org.ripla.web.util.RiplaViewHelper;

import com.vaadin.data.Container.Filter;
import com.vaadin.data.Item;
import com.vaadin.data.Property;
import com.vaadin.data.util.ObjectProperty;
import com.vaadin.shared.ui.label.ContentMode;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.Component;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Label;
import com.vaadin.ui.Table;
import com.vaadin.ui.VerticalLayout;

/**
 * View showing the private contributions a group administrator can publish.
 * 
 * @author Luthiger Created: 25.11.2011
 */
@SuppressWarnings("serial")
public class ContributionsListView extends AbstractContributionsProcessView {
    private static final String SUBTITLE_WARNING = "<div class=\"vif-warning\">%s</div>"; //$NON-NLS-1$

    private boolean confirmationMode;

    /**
     * Constructor for view to display the table with contributions ready to be
     * published.
     * 
     * @param inData
     *            {@link ContributionContainer}
     * @param inTitle
     *            String
     * @param inTask
     *            {@link AdminContributionsPublishablesTask}
     */
    public ContributionsListView(final ContributionContainer inData, final String inTitle,
            final AdminContributionsPublishablesTask inTask) {
        confirmationMode = false;
        final IMessages lMessages = Activator.getMessages();

        final VerticalLayout lLayout = initComponent(inTitle);

        final Button lProcess = new Button(lMessages.getMessage("ui.contributions.process.button.publish")); //$NON-NLS-1$
        lProcess.addClickListener(new ClickListener() {
            @Override
            public void buttonClick(final ClickEvent inEvent) {
                if (VIFViewHelper.processAction(inData)) {
                    inTask.publishContributions();
                }
            }
        });

        final Button lDelete = new Button(lMessages.getMessage("ui.contributions.process.button.delete")); //$NON-NLS-1$

        final Label lSubtitle = new Label(lMessages.getMessage("ui.contributions.process.subtitle"), //$NON-NLS-1$
                ContentMode.HTML);
        lLayout.addComponent(lSubtitle);

        // table of pending contributions
        final Table lTable = createTable(inData, WorkflowAwareContribution.S_PRIVATE, inTask);
        lLayout.addComponent(lTable);

        // action buttons
        final HorizontalLayout lButtons = RiplaViewHelper.createButtons(lProcess, lDelete);
        lLayout.addComponent(lButtons);

        lDelete.addClickListener(new ClickListener() {
            @Override
            public void buttonClick(final ClickEvent inEvent) {
                if (confirmationMode) {
                    inTask.deleteContributions();
                } else {
                    if (VIFViewHelper.processAction(inData)) {
                        confirmationMode = true;
                        inData.addContainerFilter(new SelectedFilter());
                        lSubtitle.setPropertyDataSource(new ObjectProperty<String>(String.format(SUBTITLE_WARNING,
                                lMessages.getMessage("ui.contributions.process.warning")), String.class)); //$NON-NLS-1$
                        lTable.setSelectable(false);
                        disableOtherButtons(inEvent.getButton(), lButtons);
                    }
                }
            }
        });
    }

    private void disableOtherButtons(final Button inButton, final HorizontalLayout inButtons) {
        final Iterator<Component> lIterator = inButtons.iterator();
        while (lIterator.hasNext()) {
            final Component lComponent = lIterator.next();
            if (lComponent instanceof Button) {
                if (!inButton.equals(lComponent)) {
                    lComponent.setEnabled(false);
                }
            }
        }
    }

    @Override
    protected boolean isConfirmationMode() {
        return confirmationMode;
    }

    // ---

    private class SelectedFilter implements Filter {
        @SuppressWarnings("unchecked")
        @Override
        public boolean passesFilter(final Object inItemId, final Item inItem) throws UnsupportedOperationException {
            final Property<Boolean> lCheckBox = inItem.getItemProperty(ContributionContainer.CONTRIBUTION_CHECKED);
            return lCheckBox.getValue();
        }

        @Override
        public boolean appliesToProperty(final Object inPropertyId) {
            return ContributionContainer.CONTRIBUTION_CHECKED.equals(inPropertyId);
        }
    }

}