com.tcdng.unify.web.ui.widget.writer.control.LinkGridWriter Maven / Gradle / Ivy

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/*
 * Copyright 2018-2023 The Code Department.
 * 
 * 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 com.tcdng.unify.web.ui.widget.writer.control;

import java.util.List;

import com.tcdng.unify.core.UnifyException;
import com.tcdng.unify.core.annotation.Component;
import com.tcdng.unify.core.annotation.Writes;
import com.tcdng.unify.core.util.DataUtils;
import com.tcdng.unify.core.util.json.JsonWriter;
import com.tcdng.unify.web.ui.widget.ResponseWriter;
import com.tcdng.unify.web.ui.widget.Widget;
import com.tcdng.unify.web.ui.widget.control.LinkGrid;
import com.tcdng.unify.web.ui.widget.data.LinkCategoryInfo;
import com.tcdng.unify.web.ui.widget.data.LinkGridInfo;
import com.tcdng.unify.web.ui.widget.data.LinkInfo;
import com.tcdng.unify.web.ui.widget.writer.AbstractControlWriter;

/**
 * Link grid writer.
 * 
 * @author The Code Department
 * @since 1.0
 */
@Writes(LinkGrid.class)
@Component("linkgrid-writer")
public class LinkGridWriter extends AbstractControlWriter {

	@Override
	protected void doWriteStructureAndContent(ResponseWriter writer, Widget widget) throws UnifyException {
		LinkGrid linkGrid = (LinkGrid) widget;
		writer.write("");
		LinkGridInfo linkGridInfo = linkGrid.getLinkGridInfo();
		if (linkGridInfo != null) {
			for (LinkCategoryInfo linkCategoryInfo : linkGridInfo.getLinkCategoryList()) {
				writer.write("");
				String caption = linkCategoryInfo.getCaption();
				if (caption != null) {
					writer.write("");
					writer.writeWithHtmlEscape(caption);
					writer.write("");
				}

				List linkInfoList = linkCategoryInfo.getLinkInfoList();
				if (DataUtils.isNotBlank(linkInfoList)) {
					writer.write("");
					String catName = linkGrid.getPrefixedId(linkCategoryInfo.getName());
					int columns = linkGrid.getUplAttribute(int.class, "columns");
					if (columns <= 0) {
						columns = 1;
					}

					final int len = linkInfoList.size();
					final int rows = len / columns + (len % columns > 0 ? 1 : 0);
					int layoutIndex = 0;
					for (int r = 0; r < rows; r++) {
						writer.write("");
						for (int c = 0, i = r; c < columns; c++, i += rows) {
							writer.write("");
						}
						writer.write("");
					}
					writer.write("");
							if (i < len) {
								LinkInfo linkInfo = linkInfoList.get(i);
								linkInfo.setLayoutIndex(layoutIndex);
								writer.write("");
								writer.writeWithHtmlEscape(linkInfo.getCaption());
								writer.write("");
								layoutIndex++;
							}
							writer.write("");
				}
				writer.write("");
			}
		}
		writer.write("