tools.dynamia.zk.crud.ui.EntityTreeItemRenderer Maven / Gradle / Ivy

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Classes for ZK web application
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/*
 * Copyright (C) 2023 Dynamia Soluciones IT S.A.S - NIT 900302344-1
 * Colombia / South America
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package tools.dynamia.zk.crud.ui;

import org.zkoss.zhtml.I;
import org.zkoss.zhtml.Text;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.Image;
import org.zkoss.zul.Label;
import org.zkoss.zul.Span;
import org.zkoss.zul.Treecell;
import org.zkoss.zul.Treeitem;
import org.zkoss.zul.TreeitemRenderer;
import org.zkoss.zul.Treerow;
import tools.dynamia.ui.icons.Icon;
import tools.dynamia.ui.icons.IconSize;
import tools.dynamia.ui.icons.IconType;
import tools.dynamia.ui.icons.IconsTheme;
import tools.dynamia.zk.ui.Badge;

/**
 * @author Mario A. Serrano Leones
 */
public class EntityTreeItemRenderer implements TreeitemRenderer {

    @Override
    public void render(Treeitem item, Object data, int index) {
        item.setValue(data);
        if (data instanceof EntityTreeNode node) {
            Treerow row = new Treerow();
            Treecell cell = new Treecell();
            cell.setAttribute("entity", node.getEntity());
            cell.setAttribute("node", node);
            cell.setContext(node.getContextMenuID());


            Icon icon = IconsTheme.get().getIcon(node.getIcon());
            Component iconComp = null;
            Label label = new Label(node.getLabel());


            if (icon.getType() == IconType.FONT) {
                var fontIcon = new I();
                fontIcon.setSclass(icon.getRealPath());
                iconComp = fontIcon;
            } else if (icon.getName() != null) {
                iconComp = new Image(icon.getRealPath(IconSize.SMALL));
            }

            Span text = new Span();
            if (iconComp != null) {
                text.appendChild(iconComp);
                text.appendChild(new Label(" "));
            }


            if ("left".equals(node.getBadgePosition())) {
                addBadge(node, text);
                text.appendChild(new Text());
                text.appendChild(label);
            } else {
                text.appendChild(label);
                text.appendChild(new Text());
                addBadge(node, text);
            }

            cell.appendChild(text);
            if (node.getOnRightClickListener() != null) {
                //noinspection unchecked
                cell.addEventListener(Events.ON_RIGHT_CLICK, node.getOnRightClickListener());
            }
            if (node.getOnOpenListener() != null) {
                //noinspection unchecked
                item.addEventListener(Events.ON_OPEN, node.getOnOpenListener());
            }
            cell.setParent(row);
            addColumns(item, row, node);
            row.setParent(item);
        } else {
            item.setLabel(String.valueOf(data));
        }
    }

    private static void addBadge(EntityTreeNode node, Span text) {
        if (node.getBadge() != null && !node.getBadge().isBlank()) {
            text.appendChild(new Badge(node.getBadge()));
        }
    }

    /**
     * Overwrite this method is you wanna add new columns to tree
     */
    protected void addColumns(Treeitem item, Treerow row, EntityTreeNode node) {
        // for extension
    }
}