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Sketch of col insert functionality

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Martin Aspeli
2013-09-12 23:30:16 +01:00
parent 933d7df223
commit e38dfe2e00
1 changed files with 85 additions and 41 deletions
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lib/index.js
+85 -41
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@@ -50,6 +50,17 @@ module.exports = (function() {
Workbook.prototype.substitute = function(sheet, substitutions) {
var self = this;
function getCurrentCell(currentCell, currentRow, col) {
if(currentCell === null) {
return self.joinRef({
row: currentRow,
col: self.splitRef(col.attrib.r).col
});
} else {
return self.nextCol(currentCell);
}
}
// Get sheet and parse XML tree
var file = WORKSHEETS + "sheet" + sheet + ".xml",
tree = etree.parse(self.archive.file(file).asText()),
@@ -57,40 +68,24 @@ module.exports = (function() {
// Loop over /worksheet/sheetData/row
var sheetData = root.find("sheetData"),
currentRow = null,
rowsInserted = 0,
rows = [];
sheetData.findall("row").forEach(function(row, rowIndex) {
rows.push(row);
sheetData.findall("row").forEach(function(row) {
// Update row@r (row reference) in case we have inserted additional rows.
var currentRow = parseInt(row.attrib.r, 10) + rowsInserted;
// Update row@r (row reference) if we have inserted additional rows.
if(rowsInserted > 0) {
row.attrib.r = currentRow;
}
row.attrib.r = currentRow;
rows.push(row);
// Loop over row/c (columns)
var cols = [],
currentCell = null,
cellsInserted = 0;
row.findall("c").forEach(function(col, colIndex) {
cols.push(col);
// Update col@r (col reference) based on current row and cell.
// This is necessary because we may clone rows and columns.
if(currentCell === null) {
currentCell = self.joinRef({
row: currentRow,
col: self.splitRef(col.attrib.r).col
});
} else {
currentCell = self.nextCol(currentCell);
}
if(col.attrib.r != currentCell) {
col.attrib.r = currentCell;
}
row.findall("c").forEach(function(col) {
var appendCell = true;
// If c[@t="s"] (string column), look up /c/v@text as integer in
// `this.sharedStrings`
@@ -105,37 +100,48 @@ module.exports = (function() {
// Replace each placeholder
var placeholders = self.extractPlaceholders(string);
placeholders.forEach(function(placeholder) {
var substitution = substitutions[placeholder.name];
if(substitution === undefined) {
return;
}
var substituted = self.substituteScalar(col, string, placeholder, substitution);
if(substituted !== undefined && placeholder.full && substitution instanceof Array) {
if(substituted !== undefined) {
string = substituted; // in case we have multiple placeholders
} else if(placeholder.full && substitution instanceof Array) {
// A column or table substitution
if(placeholder.type === "table") {
if(placeholder.type === "table") { // multiple rows
// TODO
} else if(placeholder.type === "normal") {
if(substitution.length === 0) {
} else {
}
} else if(placeholder.type === "normal") { // columns on this row
appendCell = false; // don't double-insert cells
--cellsInserted; // we technically delete one before we start adding back
substitution.forEach(function(substitutionElement, idx) {
++cellsInserted;
var newCol = self.cloneElement(col);
self.insertValue(newCol, substitutionElement);
newCol.attrib.r = currentCell = getCurrentCell(currentCell, currentRow, newCol);
cols.push(newCol);
});
}
}
});
}
}
// if we are inserting rows or columns, we may not want to keep the original cell anymore
if(appendCell) {
col.attrib.r = currentCell = getCurrentCell(currentCell, currentRow, col);
cols.push(col);
}
});
// We may have inserted columns, so re-build the children of the row
row.delSlice(0, row.len());
cols.forEach(function(col) {
row.append(col);
});
self.replaceChildren(row, cols);
// Update row spans attribute
if(cellsInserted > 0 && row.attrib.spans) {
if(cellsInserted !== 0 && row.attrib.spans) {
var rowSpan = row.attrib.spans.split(':').map(function(f) { return parseInt(f, 10); });
rowSpan[1] += cellsInserted;
row.attrib.spans = rowSpan.join(":");
@@ -144,10 +150,7 @@ module.exports = (function() {
});
// We may have inserted rows, so re-build the children of the sheetData
sheetData.delSlice(0, sheetData.len());
rows.forEach(function(row) {
sheetData.append(row);
});
self.replaceChildren(sheetData, rows);
// TODO: Update <mergeCells />
@@ -328,6 +331,27 @@ module.exports = (function() {
}
};
Workbook.prototype.insertCellValue = function(col, substitution) {
var self = this;
var cellValue = col.find("v"),
stringified = self.stringify(substitution);
if(typeof(substitution) === "number") {
col.attrib.t = "n";
cellValue.text = stringified;
} else if(typeof(substitution) === "boolean" ) {
col.attrib.t = "b";
cellValue.text = stringified;
} else if(substitution instanceof Date) {
col.attrib.t = "d";
cellValue.text = stringified;
} else {
col.attrib.t = "s";
cellValue.text = self.stringIndex(stringified);
}
};
Workbook.prototype.substituteScalar = function(col, string, placeholder, substitution) {
var self = this;
@@ -358,5 +382,25 @@ module.exports = (function() {
return newString;
};
Workbook.prototype.cloneElement = function(element) {
var self = this;
var newElement = etree.Element(element.tag, element.attrib);
newElement.text = element.text;
newElement.tail = element.tail;
newElement.getchildren().forEach(function(child) {
newElement.append(self.cloneElement(child));
});
return newElement;
};
Workbook.prototype.replaceChildren = function(parent, children) {
parent.delSlice(0, parent.len());
children.forEach(function(child) {
parent.append(child);
});
};
return Workbook;
})();