exportpdftag.java

exTreme taglib的使用

/*
 * Copyright 2004 original author or authors.
 *
 * 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 org.extremecomponents.table.tag;

import org.apache.commons.lang.StringUtils;
import org.extremecomponents.table.bean.Attributes;
import org.extremecomponents.table.bean.Export;
import org.extremecomponents.table.handler.ExportHandler;
import org.extremecomponents.table.view.PdfView;

/**
 * @jsp.tag name="exportPdf" display-name="ExportPdfTag" body-content="JSP"
 *          description="Export data for a pdf view."
 * 
 * @author Jeff Johnston
 */
public class ExportPdfTag extends ExportTag {
    public String headerBackgroundColor;
    public String headerTitle;
    public String headerColor;

    /**
     * @jsp.attribute description="The background color on the header column."
     *                required="false" rtexprvalue="true"
     */
    public String getHeaderBackgroundColor() {
        return TagUtils.evaluateExpressionAsString("headerBackgroundColor", headerBackgroundColor, this, pageContext);
    }

    public void setHeaderBackgroundColor(String headerBackgroundColor) {
        this.headerBackgroundColor = headerBackgroundColor;
    }

    /**
     * @jsp.attribute description="The font color for the header column."
     *                required="false" rtexprvalue="true"
     */
    public String getHeaderColor() {
        return TagUtils.evaluateExpressionAsString("headerColor", headerColor, this, pageContext);
    }

    public void setHeaderColor(String headerColor) {
        this.headerColor = headerColor;
    }

    /**
     * @jsp.attribute description="The title displayed at the top of the page."
     *                required="false" rtexprvalue="true"
     */
    public String getHeaderTitle() {
        return TagUtils.evaluateExpressionAsString("headerTitle", headerTitle, this, pageContext);
    }

    public void setHeaderTitle(String headerTitle) {
        this.headerTitle = headerTitle;
    }

    public void addExtendedAttributes(Attributes attributes) {
        String view = attributes.getAttributeAsString(Export.VIEW);
        if (StringUtils.isBlank(view)) {
            attributes.addAttribute(Export.VIEW, ExportHandler.PDF);
            attributes.addAttribute(Export.IMAGE_NAME, ExportHandler.PDF);
        }
        attributes.addAttribute(PdfView.HEADER_BACKGROUND_COLOR, getHeaderBackgroundColor());
        attributes.addAttribute(PdfView.HEADER_COLOR, getHeaderColor());
        attributes.addAttribute(PdfView.HEADER_TITLE, getHeaderTitle());
    }

    public void release() {
        headerBackgroundColor = null;
        headerTitle = null;
        headerColor = null;
        super.release();
    }
}