* Get the appropriate style section from a table style for a given cell position. * Priority: specific section > wholeTbl (fallback).
( tblStyle: SafeXmlNode, rowIdx: number, colIdx: number, totalRows: number, totalCols: number, tblPr: SafeXmlNode | undefined )
| 52 | * Priority: specific section > wholeTbl (fallback). |
| 53 | */ |
| 54 | function getStyleSections( |
| 55 | tblStyle: SafeXmlNode, |
| 56 | rowIdx: number, |
| 57 | colIdx: number, |
| 58 | totalRows: number, |
| 59 | totalCols: number, |
| 60 | tblPr: SafeXmlNode | undefined |
| 61 | ): SafeXmlNode[] { |
| 62 | const sections: SafeXmlNode[] = [] |
| 63 | |
| 64 | // Style parts enabled only when tblPr has attribute "1" (or true); per spec default is off. |
| 65 | // pptxjs uses attrs only (firstCol === "1"); we also accept child elements for compatibility. |
| 66 | const flag = (attrName: string, childName: string): boolean => { |
| 67 | if (!tblPr) return false |
| 68 | const attr = tblPr.attr(attrName) |
| 69 | if (attr !== undefined) return attr === '1' || attr === 'true' |
| 70 | const ch = tblPr.child(childName) |
| 71 | if (ch.exists()) { |
| 72 | const val = ch.attr('val') |
| 73 | return val !== '0' && val !== 'false' |
| 74 | } |
| 75 | return false |
| 76 | } |
| 77 | const bandRow = |
| 78 | tblPr?.attr('bandRow') === '1' || |
| 79 | tblPr?.attr('bandRow') === 'true' || |
| 80 | tblPr?.child('bandRow').exists() |
| 81 | const bandCol = |
| 82 | tblPr?.attr('bandCol') === '1' || |
| 83 | tblPr?.attr('bandCol') === 'true' || |
| 84 | tblPr?.child('bandCol').exists() |
| 85 | const isFirstRow = flag('firstRow', 'firstRow') |
| 86 | const isLastRow = flag('lastRow', 'lastRow') |
| 87 | const isFirstCol = flag('firstCol', 'firstCol') |
| 88 | const isLastCol = flag('lastCol', 'lastCol') |
| 89 | |
| 90 | // wholeTbl is the base (lowest priority) |
| 91 | const wholeTbl = tblStyle.child('wholeTbl') |
| 92 | if (wholeTbl.exists()) sections.push(wholeTbl) |
| 93 | |
| 94 | // Banding (applied on top of wholeTbl) |
| 95 | if (bandRow) { |
| 96 | const effectiveRow = isFirstRow ? rowIdx - 1 : rowIdx |
| 97 | if (effectiveRow >= 0 && effectiveRow % 2 === 1) { |
| 98 | const band = tblStyle.child('band2H') |
| 99 | if (band.exists()) sections.push(band) |
| 100 | } else if (effectiveRow >= 0 && effectiveRow % 2 === 0) { |
| 101 | const band = tblStyle.child('band1H') |
| 102 | if (band.exists()) sections.push(band) |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | if (bandCol) { |
| 107 | if (colIdx % 2 === 1) { |
| 108 | const band = tblStyle.child('band2V') |
| 109 | if (band.exists()) sections.push(band) |
| 110 | } else { |
| 111 | const band = tblStyle.child('band1V') |