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302
iTechSharp/iTextSharp/text/SimpleTable.cs
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302
iTechSharp/iTextSharp/text/SimpleTable.cs
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using System;
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using System.Collections;
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using iTextSharp.text.pdf;
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namespace iTextSharp.text
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{
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/// <summary>
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/// Summary description for SimpleTable.
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/// </summary>
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public class SimpleTable : Rectangle, IPdfPTableEvent, ITextElementArray {
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/** the content of a Table. */
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private ArrayList content = new ArrayList();
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/** the width of the Table. */
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private float width = 0f;
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/** the widthpercentage of the Table. */
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private float widthpercentage = 0f;
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/** the spacing of the Cells. */
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private float cellspacing;
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/** the padding of the Cells. */
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private float cellpadding;
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/** the alignment of the table. */
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private int alignment;
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/**
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* A RectangleCell is always constructed without any dimensions.
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* Dimensions are defined after creation.
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*/
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public SimpleTable() : base(0f, 0f, 0f, 0f) {
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Border = BOX;
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BorderWidth = 2f;
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}
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/**
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* Adds content to this object.
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* @param element
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* @throws BadElementException
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*/
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public void AddElement(SimpleCell element) {
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if (!element.Cellgroup) {
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throw new BadElementException("You can't add cells to a table directly, add them to a row first.");
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}
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content.Add(element);
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}
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/**
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* Creates a Table object based on this TableAttributes object.
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* @return a com.lowagie.text.Table object
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* @throws BadElementException
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*/
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public Table CreateTable() {
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if (content.Count == 0) throw new BadElementException("Trying to create a table without rows.");
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SimpleCell rowx = (SimpleCell)content[0];
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int columns = 0;
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foreach (SimpleCell cell in rowx.Content) {
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columns += cell.Colspan;
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}
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float[] widths = new float[columns];
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float[] widthpercentages = new float[columns];
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Table table = new Table(columns);
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table.Alignment = alignment;
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table.Spacing = cellspacing;
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table.Padding = cellpadding;
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table.CloneNonPositionParameters(this);
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int pos;
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foreach (SimpleCell row in content) {
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pos = 0;
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foreach (SimpleCell cell in row.Content) {
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table.AddCell(cell.CreateCell(row));
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if (cell.Colspan == 1) {
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if (cell.Width > 0) widths[pos] = cell.Width;
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if (cell.Widthpercentage > 0) widthpercentages[pos] = cell.Widthpercentage;
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}
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pos += cell.Colspan;
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}
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}
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float sumWidths = 0f;
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for (int i = 0; i < columns; i++) {
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if (widths[i] == 0) {
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sumWidths = 0;
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break;
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}
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sumWidths += widths[i];
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}
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if (sumWidths > 0) {
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table.Width = sumWidths;
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table.Locked = true;
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table.Widths = widths;
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}
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else {
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for (int i = 0; i < columns; i++) {
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if (widthpercentages[i] == 0) {
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sumWidths = 0;
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break;
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}
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sumWidths += widthpercentages[i];
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}
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if (sumWidths > 0) {
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table.Widths = widthpercentages;
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}
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}
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if (width > 0) {
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table.Width = width;
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table.Locked = true;
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}
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else if (widthpercentage > 0) {
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table.Width = widthpercentage;
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}
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return table;
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}
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/**
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* Creates a PdfPTable object based on this TableAttributes object.
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* @return a com.lowagie.text.pdf.PdfPTable object
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* @throws DocumentException
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*/
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public PdfPTable CreatePdfPTable() {
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if (content.Count == 0) throw new BadElementException("Trying to create a table without rows.");
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SimpleCell rowx = (SimpleCell)content[0];
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int columns = 0;
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foreach (SimpleCell cell in rowx.Content) {
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columns += cell.Colspan;
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}
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float[] widths = new float[columns];
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float[] widthpercentages = new float[columns];
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PdfPTable table = new PdfPTable(columns);
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table.TableEvent = this;
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table.HorizontalAlignment = alignment;
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int pos;
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foreach (SimpleCell row in content) {
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pos = 0;
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foreach (SimpleCell cell in row.Content) {
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if (float.IsNaN(cell.Spacing_left)) {
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cell.Spacing_left = cellspacing / 2f;
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}
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if (float.IsNaN(cell.Spacing_right)) {
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cell.Spacing_right = cellspacing / 2f;
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}
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if (float.IsNaN(cell.Spacing_top)) {
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cell.Spacing_top = cellspacing / 2f;
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}
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if (float.IsNaN(cell.Spacing_bottom)) {
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cell.Spacing_bottom = cellspacing / 2f;
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}
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cell.Padding = cellpadding;
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table.AddCell(cell.CreatePdfPCell(row));
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if (cell.Colspan == 1) {
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if (cell.Width > 0) widths[pos] = cell.Width;
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if (cell.Widthpercentage > 0) widthpercentages[pos] = cell.Widthpercentage;
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}
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pos += cell.Colspan;
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}
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}
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float sumWidths = 0f;
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for (int i = 0; i < columns; i++) {
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if (widths[i] == 0) {
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sumWidths = 0;
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break;
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}
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sumWidths += widths[i];
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}
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if (sumWidths > 0) {
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table.TotalWidth = sumWidths;
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table.SetWidths(widths);
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}
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else {
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for (int i = 0; i < columns; i++) {
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if (widthpercentages[i] == 0) {
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sumWidths = 0;
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break;
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}
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sumWidths += widthpercentages[i];
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}
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if (sumWidths > 0) {
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table.SetWidths(widthpercentages);
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}
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}
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if (width > 0) {
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table.TotalWidth = width;
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}
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if (widthpercentage > 0) {
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table.WidthPercentage = widthpercentage;
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}
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return table;
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}
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/**
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* @param rectangle
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* @param spacing
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* @return a rectangle
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*/
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public static SimpleTable GetDimensionlessInstance(Rectangle rectangle, float spacing) {
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SimpleTable ev = new SimpleTable();
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ev.CloneNonPositionParameters(rectangle);
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ev.Cellspacing = spacing;
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return ev;
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}
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/**
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* @see com.lowagie.text.pdf.PdfPTableEvent#tableLayout(com.lowagie.text.pdf.PdfPTable, float[][], float[], int, int, com.lowagie.text.pdf.PdfContentByte[])
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*/
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public void TableLayout(PdfPTable table, float[][] widths, float[] heights, int headerRows, int rowStart, PdfContentByte[] canvases) {
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float[] width = widths[0];
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Rectangle rect = new Rectangle(width[0], heights[heights.Length - 1], width[width.Length - 1], heights[0]);
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rect.CloneNonPositionParameters(this);
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int bd = rect.Border;
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rect.Border = Rectangle.NO_BORDER;
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canvases[PdfPTable.BACKGROUNDCANVAS].Rectangle(rect);
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rect.Border = bd;
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rect.BackgroundColor = null;
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canvases[PdfPTable.LINECANVAS].Rectangle(rect);
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}
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/**
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* @return Returns the cellpadding.
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*/
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public float Cellpadding {
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get {
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return cellpadding;
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}
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set {
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cellpadding = value;
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}
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}
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/**
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* @return Returns the cellspacing.
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*/
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public float Cellspacing {
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get {
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return cellspacing;
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}
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set {
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cellspacing = value;
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}
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}
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/**
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* @return Returns the alignment.
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*/
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public int Alignment {
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get {
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return alignment;
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}
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set {
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alignment = value;
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}
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}
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/**
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* @return Returns the width.
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*/
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public override float Width {
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get {
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return width;
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}
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set {
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width = value;
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}
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}
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/**
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* @return Returns the widthpercentage.
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*/
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public float Widthpercentage {
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get {
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return widthpercentage;
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}
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set {
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widthpercentage = value;
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}
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}
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/**
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* @see com.lowagie.text.Element#type()
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*/
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public override int Type {
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get {
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return Element.TABLE;
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}
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}
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/**
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* @see com.lowagie.text.Element#isNestable()
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* @since iText 2.0.8
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*/
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public override bool IsNestable() {
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return true;
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}
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/**
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* @see com.lowagie.text.TextElementArray#add(java.lang.Object)
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*/
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public bool Add(Object o) {
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try {
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AddElement((SimpleCell)o);
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return true;
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}
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catch (InvalidCastException) {
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return false;
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}
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}
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}
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}
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