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'use strict';
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var ColumnCalculator = require('./columnCalculator');
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var isFunction = require('./helpers').isFunction;
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var isNumber = require('./helpers').isNumber;
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function TableProcessor(tableNode) {
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this.tableNode = tableNode;
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}
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TableProcessor.prototype.beginTable = function (writer) {
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var tableNode;
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var availableWidth;
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var self = this;
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tableNode = this.tableNode;
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this.offsets = tableNode._offsets;
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this.layout = tableNode._layout;
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availableWidth = writer.context().availableWidth - this.offsets.total;
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ColumnCalculator.buildColumnWidths(tableNode.table.widths, availableWidth);
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this.tableWidth = tableNode._offsets.total + getTableInnerContentWidth();
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this.rowSpanData = prepareRowSpanData();
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this.cleanUpRepeatables = false;
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this.headerRows = tableNode.table.headerRows || 0;
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this.rowsWithoutPageBreak = this.headerRows + (tableNode.table.keepWithHeaderRows || 0);
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this.dontBreakRows = tableNode.table.dontBreakRows || false;
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if (this.rowsWithoutPageBreak) {
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writer.beginUnbreakableBlock();
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}
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// update the border properties of all cells before drawing any lines
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prepareCellBorders(this.tableNode.table.body);
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this.drawHorizontalLine(0, writer);
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function getTableInnerContentWidth() {
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var width = 0;
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tableNode.table.widths.forEach(function (w) {
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width += w._calcWidth;
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});
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return width;
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}
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function prepareRowSpanData() {
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var rsd = [];
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var x = 0;
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var lastWidth = 0;
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rsd.push({ left: 0, rowSpan: 0 });
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for (var i = 0, l = self.tableNode.table.body[0].length; i < l; i++) {
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var paddings = self.layout.paddingLeft(i, self.tableNode) + self.layout.paddingRight(i, self.tableNode);
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var lBorder = self.layout.vLineWidth(i, self.tableNode);
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lastWidth = paddings + lBorder + self.tableNode.table.widths[i]._calcWidth;
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rsd[rsd.length - 1].width = lastWidth;
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x += lastWidth;
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rsd.push({ left: x, rowSpan: 0, width: 0 });
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}
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return rsd;
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}
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// Iterate through all cells. If the current cell is the start of a
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// rowSpan/colSpan, update the border property of the cells on its
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// bottom/right accordingly. This is needed since each iteration of the
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// line-drawing loops draws lines for a single cell, not for an entire
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// rowSpan/colSpan.
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function prepareCellBorders(body) {
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for (var rowIndex = 0; rowIndex < body.length; rowIndex++) {
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var row = body[rowIndex];
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for (var colIndex = 0; colIndex < row.length; colIndex++) {
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var cell = row[colIndex];
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if (cell.border) {
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var rowSpan = cell.rowSpan || 1;
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var colSpan = cell.colSpan || 1;
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for (var rowOffset = 0; rowOffset < rowSpan; rowOffset++) {
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// set left border
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if (cell.border[0] !== undefined && rowOffset > 0) {
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setBorder(rowIndex + rowOffset, colIndex, 0, cell.border[0]);
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}
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// set right border
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if (cell.border[2] !== undefined) {
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setBorder(rowIndex + rowOffset, colIndex + colSpan - 1, 2, cell.border[2]);
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}
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}
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for (var colOffset = 0; colOffset < colSpan; colOffset++) {
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// set top border
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if (cell.border[1] !== undefined && colOffset > 0) {
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setBorder(rowIndex, colIndex + colOffset, 1, cell.border[1]);
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}
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// set bottom border
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if (cell.border[3] !== undefined) {
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setBorder(rowIndex + rowSpan - 1, colIndex + colOffset, 3, cell.border[3]);
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}
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}
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}
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}
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}
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// helper function to set the border for a given cell
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function setBorder(rowIndex, colIndex, borderIndex, borderValue) {
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var cell = body[rowIndex][colIndex];
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cell.border = cell.border || {};
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cell.border[borderIndex] = borderValue;
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}
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}
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};
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TableProcessor.prototype.onRowBreak = function (rowIndex, writer) {
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var self = this;
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return function () {
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var offset = self.rowPaddingTop + (!self.headerRows ? self.topLineWidth : 0);
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writer.context().availableHeight -= self.reservedAtBottom;
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writer.context().moveDown(offset);
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};
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};
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TableProcessor.prototype.beginRow = function (rowIndex, writer) {
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this.topLineWidth = this.layout.hLineWidth(rowIndex, this.tableNode);
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this.rowPaddingTop = this.layout.paddingTop(rowIndex, this.tableNode);
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this.bottomLineWidth = this.layout.hLineWidth(rowIndex + 1, this.tableNode);
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this.rowPaddingBottom = this.layout.paddingBottom(rowIndex, this.tableNode);
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this.rowCallback = this.onRowBreak(rowIndex, writer);
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writer.tracker.startTracking('pageChanged', this.rowCallback);
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if (this.dontBreakRows) {
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writer.beginUnbreakableBlock();
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}
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this.rowTopY = writer.context().y;
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this.reservedAtBottom = this.bottomLineWidth + this.rowPaddingBottom;
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writer.context().availableHeight -= this.reservedAtBottom;
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writer.context().moveDown(this.rowPaddingTop);
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};
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TableProcessor.prototype.drawHorizontalLine = function (lineIndex, writer, overrideY) {
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var lineWidth = this.layout.hLineWidth(lineIndex, this.tableNode);
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if (lineWidth) {
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var style = this.layout.hLineStyle(lineIndex, this.tableNode);
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var dash;
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if (style && style.dash) {
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dash = style.dash;
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}
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var offset = lineWidth / 2;
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var currentLine = null;
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var body = this.tableNode.table.body;
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var cellAbove;
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var currentCell;
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var rowCellAbove;
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for (var i = 0, l = this.rowSpanData.length; i < l; i++) {
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var data = this.rowSpanData[i];
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var shouldDrawLine = !data.rowSpan;
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var borderColor = null;
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// draw only if the current cell requires a top border or the cell in the
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// row above requires a bottom border
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if (shouldDrawLine && i < l - 1) {
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var topBorder = false, bottomBorder = false, rowBottomBorder = false;
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// the cell in the row above
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if (lineIndex > 0) {
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cellAbove = body[lineIndex - 1][i];
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bottomBorder = cellAbove.border ? cellAbove.border[3] : this.layout.defaultBorder;
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if (bottomBorder && cellAbove.borderColor) {
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borderColor = cellAbove.borderColor[3];
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}
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}
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// the current cell
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if (lineIndex < body.length) {
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currentCell = body[lineIndex][i];
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topBorder = currentCell.border ? currentCell.border[1] : this.layout.defaultBorder;
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if (topBorder && borderColor == null && currentCell.borderColor) {
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borderColor = currentCell.borderColor[1];
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}
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}
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shouldDrawLine = topBorder || bottomBorder;
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}
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if (cellAbove && cellAbove._rowSpanCurrentOffset) {
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rowCellAbove = body[lineIndex - 1 - cellAbove._rowSpanCurrentOffset][i];
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rowBottomBorder = rowCellAbove && rowCellAbove.border ? rowCellAbove.border[3] : this.layout.defaultBorder;
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if (rowBottomBorder && rowCellAbove && rowCellAbove.borderColor) {
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borderColor = rowCellAbove.borderColor[3];
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}
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}
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if (borderColor == null) {
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borderColor = isFunction(this.layout.hLineColor) ? this.layout.hLineColor(lineIndex, this.tableNode, i) : this.layout.hLineColor;
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}
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if (!currentLine && shouldDrawLine) {
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currentLine = { left: data.left, width: 0 };
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}
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if (shouldDrawLine) {
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var colSpanIndex = 0;
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if (rowCellAbove && rowCellAbove.colSpan && rowBottomBorder) {
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while (rowCellAbove.colSpan > colSpanIndex) {
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currentLine.width += (this.rowSpanData[i + colSpanIndex++].width || 0);
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}
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i += colSpanIndex - 1;
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} else if (cellAbove && cellAbove.colSpan && bottomBorder) {
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while (cellAbove.colSpan > colSpanIndex) {
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currentLine.width += (this.rowSpanData[i + colSpanIndex++].width || 0);
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}
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i += colSpanIndex - 1;
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} else if (currentCell && currentCell.colSpan && topBorder) {
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while (currentCell.colSpan > colSpanIndex) {
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currentLine.width += (this.rowSpanData[i + colSpanIndex++].width || 0);
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}
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i += colSpanIndex - 1;
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} else {
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currentLine.width += (this.rowSpanData[i].width || 0);
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}
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}
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var y = (overrideY || 0) + offset;
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if (shouldDrawLine) {
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if (currentLine && currentLine.width) {
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writer.addVector({
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type: 'line',
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x1: currentLine.left,
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x2: currentLine.left + currentLine.width,
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y1: y,
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y2: y,
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lineWidth: lineWidth,
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dash: dash,
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lineColor: borderColor
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}, false, overrideY);
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currentLine = null;
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borderColor = null;
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cellAbove = null;
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currentCell = null;
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rowCellAbove = null;
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}
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}
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}
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writer.context().moveDown(lineWidth);
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}
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};
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TableProcessor.prototype.drawVerticalLine = function (x, y0, y1, vLineColIndex, writer, vLineRowIndex, beforeVLineColIndex) {
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var width = this.layout.vLineWidth(vLineColIndex, this.tableNode);
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if (width === 0) {
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return;
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}
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var style = this.layout.vLineStyle(vLineColIndex, this.tableNode);
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var dash;
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if (style && style.dash) {
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dash = style.dash;
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}
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var body = this.tableNode.table.body;
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var cellBefore;
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var currentCell;
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var borderColor;
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// the cell in the col before
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if (vLineColIndex > 0) {
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cellBefore = body[vLineRowIndex][beforeVLineColIndex];
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if (cellBefore && cellBefore.borderColor) {
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if (cellBefore.border ? cellBefore.border[2] : this.layout.defaultBorder) {
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borderColor = cellBefore.borderColor[2];
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}
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}
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}
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// the current cell
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if (borderColor == null && vLineColIndex < body.length) {
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currentCell = body[vLineRowIndex][vLineColIndex];
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if (currentCell && currentCell.borderColor) {
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if (currentCell.border ? currentCell.border[0] : this.layout.defaultBorder) {
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borderColor = currentCell.borderColor[0];
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}
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}
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}
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if (borderColor == null && cellBefore && cellBefore._rowSpanCurrentOffset) {
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var rowCellBeforeAbove = body[vLineRowIndex - cellBefore._rowSpanCurrentOffset][beforeVLineColIndex];
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if (rowCellBeforeAbove.borderColor) {
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if (rowCellBeforeAbove.border ? rowCellBeforeAbove.border[2] : this.layout.defaultBorder) {
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borderColor = rowCellBeforeAbove.borderColor[2];
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}
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}
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}
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if (borderColor == null && currentCell && currentCell._rowSpanCurrentOffset) {
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var rowCurrentCellAbove = body[vLineRowIndex - currentCell._rowSpanCurrentOffset][vLineColIndex];
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if (rowCurrentCellAbove.borderColor) {
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if (rowCurrentCellAbove.border ? rowCurrentCellAbove.border[2] : this.layout.defaultBorder) {
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borderColor = rowCurrentCellAbove.borderColor[2];
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}
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}
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}
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if (borderColor == null) {
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borderColor = isFunction(this.layout.vLineColor) ? this.layout.vLineColor(vLineColIndex, this.tableNode, vLineRowIndex) : this.layout.vLineColor;
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}
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writer.addVector({
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type: 'line',
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x1: x + width / 2,
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x2: x + width / 2,
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y1: y0,
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y2: y1,
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lineWidth: width,
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dash: dash,
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lineColor: borderColor
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}, false, true);
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cellBefore = null;
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currentCell = null;
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borderColor = null;
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};
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TableProcessor.prototype.endTable = function (writer) {
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if (this.cleanUpRepeatables) {
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writer.popFromRepeatables();
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}
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};
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TableProcessor.prototype.endRow = function (rowIndex, writer, pageBreaks) {
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var l, i;
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var self = this;
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writer.tracker.stopTracking('pageChanged', this.rowCallback);
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writer.context().moveDown(this.layout.paddingBottom(rowIndex, this.tableNode));
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writer.context().availableHeight += this.reservedAtBottom;
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var endingPage = writer.context().page;
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var endingY = writer.context().y;
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var xs = getLineXs();
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var ys = [];
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var hasBreaks = pageBreaks && pageBreaks.length > 0;
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var body = this.tableNode.table.body;
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ys.push({
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y0: this.rowTopY,
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page: hasBreaks ? pageBreaks[0].prevPage : endingPage
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});
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if (hasBreaks) {
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for (i = 0, l = pageBreaks.length; i < l; i++) {
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var pageBreak = pageBreaks[i];
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ys[ys.length - 1].y1 = pageBreak.prevY;
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ys.push({ y0: pageBreak.y, page: pageBreak.prevPage + 1 });
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}
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}
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ys[ys.length - 1].y1 = endingY;
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var skipOrphanePadding = (ys[0].y1 - ys[0].y0 === this.rowPaddingTop);
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for (var yi = (skipOrphanePadding ? 1 : 0), yl = ys.length; yi < yl; yi++) {
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var willBreak = yi < ys.length - 1;
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var rowBreakWithoutHeader = (yi > 0 && !this.headerRows);
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var hzLineOffset = rowBreakWithoutHeader ? 0 : this.topLineWidth;
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var y1 = ys[yi].y0;
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var y2 = ys[yi].y1;
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if (willBreak) {
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y2 = y2 + this.rowPaddingBottom;
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}
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if (writer.context().page != ys[yi].page) {
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writer.context().page = ys[yi].page;
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//TODO: buggy, availableHeight should be updated on every pageChanged event
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// TableProcessor should be pageChanged listener, instead of processRow
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this.reservedAtBottom = 0;
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}
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for (i = 0, l = xs.length; i < l; i++) {
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var leftCellBorder = false;
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var rightCellBorder = false;
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var colIndex = xs[i].index;
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// current cell
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if (colIndex < body[rowIndex].length) {
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var cell = body[rowIndex][colIndex];
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leftCellBorder = cell.border ? cell.border[0] : this.layout.defaultBorder;
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rightCellBorder = cell.border ? cell.border[2] : this.layout.defaultBorder;
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}
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// before cell
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if (colIndex > 0 && !leftCellBorder) {
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var cell = body[rowIndex][colIndex - 1];
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leftCellBorder = cell.border ? cell.border[2] : this.layout.defaultBorder;
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}
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// after cell
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if (colIndex + 1 < body[rowIndex].length && !rightCellBorder) {
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var cell = body[rowIndex][colIndex + 1];
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rightCellBorder = cell.border ? cell.border[0] : this.layout.defaultBorder;
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}
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if (leftCellBorder) {
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this.drawVerticalLine(xs[i].x, y1 - hzLineOffset, y2 + this.bottomLineWidth, xs[i].index, writer, rowIndex, xs[i - 1] ? xs[i - 1].index : null);
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}
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if (i < l - 1) {
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var fillColor = body[rowIndex][colIndex].fillColor;
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var fillOpacity = body[rowIndex][colIndex].fillOpacity;
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if (!fillColor) {
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fillColor = isFunction(this.layout.fillColor) ? this.layout.fillColor(rowIndex, this.tableNode, colIndex) : this.layout.fillColor;
|
|
|
}
|
|
|
if (!isNumber(fillOpacity)) {
|
|
|
fillOpacity = isFunction(this.layout.fillOpacity) ? this.layout.fillOpacity(rowIndex, this.tableNode, colIndex) : this.layout.fillOpacity;
|
|
|
}
|
|
|
if (fillColor) {
|
|
|
var widthLeftBorder = leftCellBorder ? this.layout.vLineWidth(colIndex, this.tableNode) : 0;
|
|
|
var widthRightBorder;
|
|
|
if ((colIndex === 0 || colIndex + 1 == body[rowIndex].length) && !rightCellBorder) {
|
|
|
widthRightBorder = this.layout.vLineWidth(colIndex + 1, this.tableNode);
|
|
|
} else if (rightCellBorder) {
|
|
|
widthRightBorder = this.layout.vLineWidth(colIndex + 1, this.tableNode) / 2;
|
|
|
} else {
|
|
|
widthRightBorder = 0;
|
|
|
}
|
|
|
|
|
|
var x1f = this.dontBreakRows ? xs[i].x + widthLeftBorder : xs[i].x + (widthLeftBorder / 2);
|
|
|
var y1f = this.dontBreakRows ? y1 : y1 - (hzLineOffset / 2);
|
|
|
var x2f = xs[i + 1].x + widthRightBorder;
|
|
|
var y2f = this.dontBreakRows ? y2 + this.bottomLineWidth : y2 + (this.bottomLineWidth / 2);
|
|
|
writer.addVector({
|
|
|
type: 'rect',
|
|
|
x: x1f,
|
|
|
y: y1f,
|
|
|
w: x2f - x1f,
|
|
|
h: y2f - y1f,
|
|
|
lineWidth: 0,
|
|
|
color: fillColor,
|
|
|
fillOpacity: fillOpacity
|
|
|
}, false, true, writer.context().backgroundLength[writer.context().page]);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if (willBreak && this.layout.hLineWhenBroken !== false) {
|
|
|
this.drawHorizontalLine(rowIndex + 1, writer, y2);
|
|
|
}
|
|
|
if (rowBreakWithoutHeader && this.layout.hLineWhenBroken !== false) {
|
|
|
this.drawHorizontalLine(rowIndex, writer, y1);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
writer.context().page = endingPage;
|
|
|
writer.context().y = endingY;
|
|
|
|
|
|
var row = this.tableNode.table.body[rowIndex];
|
|
|
for (i = 0, l = row.length; i < l; i++) {
|
|
|
if (row[i].rowSpan) {
|
|
|
this.rowSpanData[i].rowSpan = row[i].rowSpan;
|
|
|
|
|
|
// fix colSpans
|
|
|
if (row[i].colSpan && row[i].colSpan > 1) {
|
|
|
for (var j = 1; j < row[i].rowSpan; j++) {
|
|
|
this.tableNode.table.body[rowIndex + j][i]._colSpan = row[i].colSpan;
|
|
|
}
|
|
|
}
|
|
|
// fix rowSpans
|
|
|
if (row[i].rowSpan && row[i].rowSpan > 1) {
|
|
|
for (var j = 1; j < row[i].rowSpan; j++) {
|
|
|
this.tableNode.table.body[rowIndex + j][i]._rowSpanCurrentOffset = j;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if (this.rowSpanData[i].rowSpan > 0) {
|
|
|
this.rowSpanData[i].rowSpan--;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
this.drawHorizontalLine(rowIndex + 1, writer);
|
|
|
|
|
|
if (this.headerRows && rowIndex === this.headerRows - 1) {
|
|
|
this.headerRepeatable = writer.currentBlockToRepeatable();
|
|
|
}
|
|
|
|
|
|
if (this.dontBreakRows) {
|
|
|
writer.tracker.auto('pageChanged',
|
|
|
function () {
|
|
|
if (!self.headerRows && self.layout.hLineWhenBroken !== false) {
|
|
|
self.drawHorizontalLine(rowIndex, writer);
|
|
|
}
|
|
|
},
|
|
|
function () {
|
|
|
writer.commitUnbreakableBlock();
|
|
|
}
|
|
|
);
|
|
|
}
|
|
|
|
|
|
if (this.headerRepeatable && (rowIndex === (this.rowsWithoutPageBreak - 1) || rowIndex === this.tableNode.table.body.length - 1)) {
|
|
|
writer.commitUnbreakableBlock();
|
|
|
writer.pushToRepeatables(this.headerRepeatable);
|
|
|
this.cleanUpRepeatables = true;
|
|
|
this.headerRepeatable = null;
|
|
|
}
|
|
|
|
|
|
function getLineXs() {
|
|
|
var result = [];
|
|
|
var cols = 0;
|
|
|
|
|
|
for (var i = 0, l = self.tableNode.table.body[rowIndex].length; i < l; i++) {
|
|
|
if (!cols) {
|
|
|
result.push({ x: self.rowSpanData[i].left, index: i });
|
|
|
|
|
|
var item = self.tableNode.table.body[rowIndex][i];
|
|
|
cols = (item._colSpan || item.colSpan || 0);
|
|
|
}
|
|
|
if (cols > 0) {
|
|
|
cols--;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
result.push({ x: self.rowSpanData[self.rowSpanData.length - 1].left, index: self.rowSpanData.length - 1 });
|
|
|
|
|
|
return result;
|
|
|
}
|
|
|
};
|
|
|
|
|
|
module.exports = TableProcessor;
|
|
|
|
