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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| interface LabelValue { | ||
| label: string; | ||
| value?: string; // or number | ||
| } | ||
|
|
||
| interface DataGroups { | ||
| group1: LabelValue[]; | ||
| group2: LabelValue[]; | ||
| group3: LabelValue[]; | ||
| group4: LabelValue[]; | ||
| } | ||
|
|
||
| /** | ||
| * Draws four data groups in a single horizontal row, each with a vertical list of label/value pairs. | ||
| * Adds vertical black lines between each pair of adjacent groups. | ||
| */ | ||
| export function drawFourDataGroups( | ||
| doc: PDFKit.PDFDocument, | ||
| dataGroups: DataGroups, | ||
| options?: { | ||
| fontSize?: number; | ||
| rowHeight?: number; | ||
| labelWidth?: number; | ||
| valueWidth?: number; | ||
| gapBetweenCols?: number; // horizontal gap between each group | ||
| drawColumnDividers?: boolean; // default true | ||
| } | ||
| ) { | ||
| // Default configuration | ||
| const fontSize = options?.fontSize ?? 10; | ||
| const rowHeight = options?.rowHeight ?? 16; | ||
| const labelWidth = options?.labelWidth ?? 60; // space reserved for the label | ||
| const valueWidth = options?.valueWidth ?? 120; // space for the value | ||
| const gapBetweenCols = options?.gapBetweenCols ?? 20; | ||
| const drawDividers = options?.drawColumnDividers ?? true; | ||
|
|
||
| // We'll place all 4 groups on one row. | ||
| // Each group's bounding box is labelWidth + valueWidth in width. | ||
| const groupWidth = labelWidth + valueWidth; | ||
|
|
||
| // Save the starting position | ||
| const startX = doc.x; | ||
| const startY = doc.y; | ||
|
|
||
| // For each group, compute X positions | ||
| const groupXPositions = [ | ||
| startX, | ||
| startX + groupWidth + gapBetweenCols, | ||
| startX + (groupWidth + gapBetweenCols) * 2, | ||
| startX + (groupWidth + gapBetweenCols) * 3 | ||
| ]; | ||
|
|
||
| // Use a small helper to draw each group. | ||
| doc.fontSize(fontSize).font('NotoSansJP'); // or some other font if needed | ||
|
|
||
| // We'll get a "bottomY" for each group, so we know how tall it is. | ||
| const g1BottomY = drawLabelValueList( | ||
| doc, | ||
| dataGroups.group1, | ||
| groupXPositions[0], | ||
| startY, | ||
| labelWidth, | ||
| valueWidth, | ||
| rowHeight | ||
| ); | ||
| const g2BottomY = drawLabelValueList( | ||
| doc, | ||
| dataGroups.group2, | ||
| groupXPositions[1], | ||
| startY, | ||
| labelWidth, | ||
| valueWidth, | ||
| rowHeight | ||
| ); | ||
| const g3BottomY = drawLabelValueList( | ||
| doc, | ||
| dataGroups.group3, | ||
| groupXPositions[2], | ||
| startY, | ||
| labelWidth, | ||
| valueWidth, | ||
| rowHeight | ||
| ); | ||
| const g4BottomY = drawLabelValueList( | ||
| doc, | ||
| dataGroups.group4, | ||
| groupXPositions[3], | ||
| startY, | ||
| labelWidth, | ||
| valueWidth, | ||
| rowHeight | ||
| ); | ||
|
|
||
| // The final bottom is the tallest group | ||
| const finalBottomY = Math.max(g1BottomY, g2BottomY, g3BottomY, g4BottomY); | ||
|
|
||
| // Optionally, draw vertical lines between columns | ||
| if (drawDividers) { | ||
| doc.save(); | ||
| doc.lineWidth(1).strokeColor('black'); | ||
|
|
||
| // lines between group1 & group2, group2 & group3, group3 & group4 | ||
| // each line from (groupXPositions[i], startY) to (groupXPositions[i], finalBottomY) | ||
| // i = 1, 2, 3 => that is the left X of group 2, 3, 4 | ||
| for (let i = 1; i < 4; i++) { | ||
| doc | ||
| .moveTo(groupXPositions[i], startY) | ||
| .lineTo(groupXPositions[i], finalBottomY) | ||
| .stroke(); | ||
| } | ||
|
|
||
| doc.restore(); | ||
| } | ||
|
|
||
| // Move doc.y below all four groups | ||
| doc.x = startX; | ||
| doc.y = finalBottomY + 20; // add some spacing | ||
| } | ||
|
|
||
| /** | ||
| * Draws a vertical list of label/value pairs at the given (x, y). | ||
| * Returns the bottom Y after the last row is drawn. | ||
| */ | ||
| function drawLabelValueList( | ||
| doc: PDFKit.PDFDocument, | ||
| items: LabelValue[], | ||
| x: number, | ||
| y: number, | ||
| labelWidth: number, | ||
| valueWidth: number, | ||
| rowHeight: number | ||
| ): number { | ||
| let currentY = y; | ||
| const totalWidth = labelWidth + valueWidth; | ||
|
|
||
| items.forEach(({ label, value }) => { | ||
| // Optional: draw a bounding box for each row | ||
| // doc.rect(x, currentY, totalWidth, rowHeight).stroke(); | ||
|
|
||
| // We can also draw a vertical line between the label & value cell if we want | ||
| // doc | ||
| // .moveTo(x + labelWidth, currentY) | ||
| // .lineTo(x + labelWidth, currentY + rowHeight) | ||
| // .stroke(); | ||
|
|
||
| // Place label | ||
| doc.text(label, x + 2, currentY + 2, { | ||
| width: labelWidth - 4, | ||
| ellipsis: true | ||
| }); | ||
|
|
||
| // Place value | ||
| doc.text(value ?? '', x + labelWidth + 2, currentY + 2, { | ||
| width: valueWidth - 4, | ||
| ellipsis: true | ||
| }); | ||
|
|
||
| currentY += rowHeight; | ||
| }); | ||
|
|
||
| return currentY; | ||
| } |