com.tcdng.unify.web.ui.widget.writer.AbstractTargetControlWriter 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;

import com.tcdng.unify.core.UnifyException;
import com.tcdng.unify.web.ui.widget.ResponseWriter;
import com.tcdng.unify.web.ui.widget.TargetControl;
import com.tcdng.unify.web.ui.widget.Widget;

/**
 * Abstract base class for target control writers.
 * 
 * @author The Code Department
 * @since 1.0
 */
public abstract class AbstractTargetControlWriter extends AbstractControlWriter {

	@Override
	protected void doWriteStructureAndContent(ResponseWriter writer, Widget widget) throws UnifyException {
		TargetControl targetControl = (TargetControl) widget;
		writer.write("= 0) {
			String indexPrefix = targetControl.getValueMarker();
			if (indexPrefix != null) {
				writer.write(" value=\"").write(indexPrefix).write(':').write(index).write("\"");
			} else if (value != null) {
				writer.write(" value=\"").write(value).write(':').write(index).write("\"");
			} else {
				writer.write(" value=\"").write(index).write("\"");
			}
		} else {
			if (value != null) {
				writer.write(" value=\"").writeWithHtmlEscape(value).write("\"");
			}
		}

		writer.write("/>");
		doWriteTargetControl(writer, targetControl);

		if (targetControl.isDebounce()) {
			getRequestContextUtil().registerWidgetDebounce(targetControl.getId());
		}
	}

	protected String resolveValue(TargetControl targetControl) throws UnifyException {
		String value = targetControl.getStaticBindingValue();
		if (value == null) {
			value = targetControl.getStringValue();
		}
		
		return value;
	}
	
	protected abstract void doWriteTargetControl(ResponseWriter writer, TargetControl targetControl)
			throws UnifyException;
}