com.foc.vaadin.gui.pdfGenerator.FocPDFLabel.java Source code

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Here is the source code for com.foc.vaadin.gui.pdfGenerator.FocPDFLabel.java

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/*******************************************************************************
 * Copyright 2016 Antoine Nicolas SAMAHA
 * 
 * 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.foc.vaadin.gui.pdfGenerator;

import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.font.PDType1Font;

import com.foc.Globals;
import com.foc.vaadin.gui.xmlForm.FXML;
import com.foc.vaadin.gui.xmlForm.FocXMLAttributes;

public class FocPDFLabel extends FocPDFComponent {

    private String value = null;

    public FocPDFLabel(FocPDFLayout pdfParent, FocXMLAttributes xmlAttribute) {
        super(pdfParent, xmlAttribute);
        value = xmlAttribute != null ? xmlAttribute.getValue(FXML.ATT_VALUE) : "";
    }

    public void dispose() {
        super.dispose();
    }

    public String getValue() {
        return value;
    }

    public void setValue(String value) {
        this.value = value;
    }

    public void write() {
        try {
            PDPageContentStream contentStream = getPDPageContentStream();

            if (value != null) {
                //            contentStream.moveTo(0, 0);
                contentStream.beginText();
                PDType1Font font = PDType1Font.HELVETICA;
                int fontSize = 10;
                contentStream.setFont(font, fontSize);
                //            contentStream.moveTextPositionByAmount(0, getHeight());
                contentStream.moveTextPositionByAmount(getAbsoluteLeft(), getAbsoluteTop() - getHeight());
                contentStream.drawString(value);
                contentStream.endText();
            }

        } catch (Exception ex) {
            Globals.logException(ex);
        }
    }

    @Override
    public void layout(float left, float top, float maxWidth, float maxHeight) {
        setLeft(left);
        setTop(top);
        float height = PDFUtil.getStringHeight(PDType1Font.HELVETICA, 10, getValue());
        float width = PDFUtil.getStringWidth(PDType1Font.HELVETICA, 10, getValue());
        setHeight(height);
        setWidth(width);
    }

    public float getLabelWidthFromAttributesIfExists() {
        float width = 0;
        String widthStrg = getXmlAttribute() != null ? getXmlAttribute().getValue(FXML.ATT_WIDTH) : null;
        if (widthStrg != null && !widthStrg.isEmpty()) {
            width = Float.valueOf(widthStrg);
        } else {
            width = getWidth();
        }
        return width;
    }

    public void debug(int indentation) {
        Globals.logString(getDebugIndentation(indentation) + "Label = " + value + " - (" + getDebugString() + ")");
    }

}