jease.cmf.web.node.tree.container.ContainerTable.java Source code

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Here is the source code for jease.cmf.web.node.tree.container.ContainerTable.java

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/*
Copyright (C) 2016 maik.jablonski@jease.org
    
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 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 General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package jease.cmf.web.node.tree.container;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;

import javax.annotation.PostConstruct;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.DropEvent;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.Listitem;
import org.zkoss.zul.ListitemRenderer;
import org.zkoss.zul.Radio;
import org.zkoss.zul.Treeitem;
import org.zkoss.zul.Treerow;

import jease.cmf.domain.Node;
import jease.cmf.domain.NodeException;
import jease.cmf.service.Nodes;
import jease.cmf.web.JeaseSession;
import jease.cmf.web.node.NodeTable;
import jease.cms.web.content.ContentTableModel;
import jease.persistence.cache.CachingNodeService;
import jfix.util.I18N;
import jfix.zk.Modal;
import jfix.zk.Radiogroup;

@org.springframework.stereotype.Component
@Scope("prototype")
public class ContainerTable extends NodeTable {
    private static final long serialVersionUID = -916932169675038589L;
    private Radio singleSelect = new Radio(I18N.get("Edit"));
    private Radio multiSelect = new Radio(I18N.get("Select"));

    @Autowired
    private Nodes nodes;
    @Autowired
    private ContentTableModel contentTableModel;
    @Autowired
    private CachingNodeService nodeService;

    @PostConstruct
    public void init() {
        init(new ContainerTableModel(contentTableModel, nodeService));
        initItemRenderer();
        initModeControl();
    }

    public void onSelect(Object obj) {
        if (!getListbox().isMultiple()) {
            super.onSelect(obj);
        }
    }

    private void initItemRenderer() {
        ListitemRenderer<Node> treeTableRenderer = new ContainerTableRenderer(getListbox().getItemRenderer(),
                $event -> dropPerformed((DropEvent) $event));
        getListbox().setItemRenderer(treeTableRenderer);
    }

    private void initModeControl() {
        singleSelect.setChecked(true);
        singleSelect.addEventListener(Events.ON_CHECK, $event -> {
            getListbox().setPageSize(getListbox().getPageSize() / 10);
            getListbox().setMultiple(false);
            getListbox().setCheckmark(false);
        });
        multiSelect.addEventListener(Events.ON_CHECK, $event -> {
            getListbox().setPageSize(getListbox().getPageSize() * 10);
            getListbox().setMultiple(true);
            getListbox().setCheckmark(true);
        });
        appendChild(new Radiogroup(singleSelect, multiSelect));
    }

    private void dropPerformed(DropEvent dropEvent) {
        getListbox().renderAll();

        Component target = dropEvent.getTarget();
        Component dragged = dropEvent.getDragged();

        if (dragged instanceof Listitem) {
            Set<Listitem> itemSet = new HashSet<>(getListbox().getSelectedItems());
            itemSet.add((Listitem) dragged);
            List<Listitem> itemList = new ArrayList<>(getListbox().getItems());
            itemList.retainAll(itemSet);
            for (Listitem listitem : itemList) {
                if (listitem != target) {
                    listitem.getParent().removeChild(listitem);
                    target.getParent().insertBefore(listitem, target);
                }
            }
            getListbox().clearSelection();
        }

        if (dragged instanceof Treerow) {
            Treeitem treeitem = (Treeitem) dragged.getParent();
            Listitem listitem = new Listitem("");
            listitem.setValue(treeitem.getValue());
            dragged.getParent().removeChild(dragged);
            target.getParent().insertBefore(listitem, target);
        }

        try {
            getListbox().getValues();
            @SuppressWarnings("unchecked")
            Set<Node> children = new TreeSet<>(getListbox().getValues());
            nodes.append(nodeService.get(JeaseSession.getContainerId()), children);
        } catch (NodeException e) {
            Modal.error(e.getMessage());
        } finally {
            fireChangeEvent();
        }
    }
}