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/*
 * Copyright 2018-2020 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.jacklyn.workflow.web.widgets;

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.data.ValueStore;
import com.tcdng.unify.web.ui.widget.Control;
import com.tcdng.unify.web.ui.widget.EventHandler;
import com.tcdng.unify.web.ui.widget.ResponseWriter;
import com.tcdng.unify.web.ui.widget.Widget;
import com.tcdng.unify.web.ui.widget.writer.AbstractControlWriter;

/**
 * Workflow step action button writer.
 *
 * @author Lateef Ojulari
 * @since 1.0
 */
@Writes(WfActionButtons.class)
@Component("wfactionbuttons-writer")
public class WfActionButtonsWriter extends AbstractControlWriter {

    @Override
    protected void doWriteStructureAndContent(ResponseWriter writer, Widget component) throws UnifyException {
        WfActionButtons wfActionButtons = (WfActionButtons) component;
        writer.write("");

        boolean verticalLayout = wfActionButtons.isVerticalLayout();
        if (!verticalLayout) {
            writer.write("");
        }

        Control actionCtrl = wfActionButtons.getActionCtrl();
        for (ValueStore valueStore : wfActionButtons.getValueList()) {
            if (verticalLayout) {
                writer.write("");
            }

            writer.write("");
            actionCtrl.setValueStore(valueStore);
            writer.writeStructureAndContent(actionCtrl);
            writer.write("");

            if (verticalLayout) {
                writer.write("");
            }
        }

        if (!verticalLayout) {
            writer.write("");
        }

        writer.write("");
    }

    @Override
    protected void doWriteBehavior(ResponseWriter writer, Widget widget) throws UnifyException {
        WfActionButtons wfActionButtons = (WfActionButtons) widget;
        // All behavior should be tied to action control
        EventHandler[] eventHandlers = wfActionButtons.getUplAttribute(EventHandler[].class, "eventHandler");
        if (eventHandlers != null) {
            Control actionCtrl = wfActionButtons.getActionCtrl();
            for (ValueStore valueStore : wfActionButtons.getValueList()) {
                actionCtrl.setValueStore(valueStore);
                getRequestContext().setQuickReference(valueStore);
                for (EventHandler eventHandler : eventHandlers) {
                    writer.writeBehavior(eventHandler, actionCtrl.getId(), null);
                }
            }
        }
    }
}