fr.opensagres.odfdom.converter.pdf.internal.stylable.StylableTable.java Source code

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Here is the source code for fr.opensagres.odfdom.converter.pdf.internal.stylable.StylableTable.java

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/**
 * Copyright (C) 2011-2015 The XDocReport Team <xdocreport@googlegroups.com>
 *
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package fr.opensagres.odfdom.converter.pdf.internal.stylable;

import com.lowagie.text.Element;

import fr.opensagres.odfdom.converter.pdf.internal.styles.Style;
import fr.opensagres.odfdom.converter.pdf.internal.styles.StyleTableProperties;
import fr.opensagres.odfdom.converter.pdf.internal.styles.StyleTableRowProperties;
import fr.opensagres.xdocreport.itext.extension.ExtendedPdfPTable;

public class StylableTable extends ExtendedPdfPTable implements IStylableContainer {
    private final StylableDocument ownerDocument;

    private IStylableContainer parent;

    private Style lastStyleApplied = null;

    private boolean inTableHeaderRows;

    private boolean inTableRow;

    private Style currentRowStyle;

    public StylableTable(StylableDocument ownerDocument, IStylableContainer parent, int numColumns) {
        super(numColumns);
        // cancel ExtendedPdfPTable settings
        // we raise text in StylableParagraph so extra spacing here is unnecessary
        super.setSpacingBefore(0.0f);
        // default is split rows early
        super.setSplitLate(false);
        this.ownerDocument = ownerDocument;
        this.parent = parent;
    }

    public Style getCurrentRowStyle() {
        return currentRowStyle;
    }

    public void beginTableHeaderRows() {
        inTableHeaderRows = true;
    }

    public void endTableHeaderRows() {
        inTableHeaderRows = false;
    }

    public void beginTableRow(Style currentRowStyle) {
        // beginTableRow/addElement/endTableRow protects before too many/too less cells in a row than declared
        inTableRow = true;
        this.currentRowStyle = currentRowStyle;
        if (inTableHeaderRows) {
            // increment header rows count
            setHeaderRows(getHeaderRows() + 1);
        }
    }

    public void endTableRow() {
        // fill row with empty cells if necessary
        while (currentRowIdx != 0) {
            StylableTableCell cell = new StylableTableCell(ownerDocument, this);
            if (currentRowStyle != null) {
                cell.applyStyles(currentRowStyle);
            }
            addElement(cell);
        }
        inTableRow = false;
        currentRowStyle = null;
    }

    @Override
    public void addElement(Element element) {
        if (inTableRow) {
            super.addElement(element);
        }
        if (currentRowIdx == 0) {
            // row fully filled, end row
            endTableRow();
        }
    }

    public void applyStyles(Style style) {
        this.lastStyleApplied = style;

        StyleTableProperties tableProperties = style.getTableProperties();
        if (tableProperties != null) {
            // width
            if (tableProperties.getWidth() != null) {
                super.setTotalWidth(tableProperties.getWidth());
            }

            // alignment
            int alignment = tableProperties.getAlignment();
            if (alignment != Element.ALIGN_UNDEFINED) {
                super.setHorizontalAlignment(alignment);
            }

            // margins
            Float margin = tableProperties.getMargin();
            if (margin != null && margin > 0.0f) {
                super.setPadding(margin);
            }
            Float marginLeft = tableProperties.getMarginLeft();
            if (marginLeft != null && marginLeft > 0.0f) {
                super.setPaddingLeft(marginLeft);
            }
            Float marginRight = tableProperties.getMarginRight();
            if (marginRight != null && marginRight > 0.0f) {
                super.setPaddingRight(marginRight);
            }
            Float marginTop = tableProperties.getMarginTop();
            if (marginTop != null && marginTop > 0.0f) {
                super.setPaddingTop(marginTop);
            }
            Float marginBottom = tableProperties.getMarginBottom();
            if (marginBottom != null && marginBottom > 0.0f) {
                super.setPaddingBottom(marginBottom);
            }

            // table splitting
            Boolean mayBreakBetweenRows = tableProperties.getMayBreakBetweenRows();
            if (mayBreakBetweenRows != null) {
                super.setKeepTogether(!mayBreakBetweenRows);
            }
        }
        StyleTableRowProperties tableRowProperties = style.getTableRowProperties();
        if (tableRowProperties != null) {
            // keep together
            Boolean keepTogether = tableRowProperties.getKeepTogether();
            if (keepTogether != null) {
                // keep together is table row property in open office
                // but it is table property in iText
                // so we set keep together = true if any of table rows has this property set to true
                if (super.isSplitLate() == false && keepTogether == true) {
                    super.setSplitLate(true);
                }
            }
        }
    }

    public Style getLastStyleApplied() {
        return lastStyleApplied;
    }

    public IStylableContainer getParent() {
        return parent;
    }

    public StylableDocument getOwnerDocument() {
        return ownerDocument;
    }

    public int getColIdx() {
        return currentRowIdx;
    }
}