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'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
var prosemirrorState = require('prosemirror-state');
var prosemirrorModel = require('prosemirror-model');
var prosemirrorKeymap = require('prosemirror-keymap');
var prosemirrorView = require('prosemirror-view');
var prosemirrorTransform = require('prosemirror-transform');
// Because working with row and column-spanning cells is not quite
// trivial, this code builds up a descriptive structure for a given
// table node. The structures are cached with the (persistent) table
// nodes as key, so that they only have to be recomputed when the
// content of the table changes.
//
// This does mean that they have to store table-relative, not
// document-relative positions. So code that uses them will typically
// compute the start position of the table and offset positions passed
// to or gotten from this structure by that amount.
let readFromCache, addToCache; // Prefer using a weak map to cache table maps. Fall back on a
// fixed-size cache if that's not supported.
if (typeof WeakMap != 'undefined') {
// eslint-disable-next-line
let cache = new WeakMap();
readFromCache = key => cache.get(key);
addToCache = (key, value) => {
cache.set(key, value);
return value;
};
} else {
let cache = [],
cacheSize = 10,
cachePos = 0;
readFromCache = key => {
for (let i = 0; i < cache.length; i += 2) if (cache[i] == key) return cache[i + 1];
};
addToCache = (key, value) => {
if (cachePos == cacheSize) cachePos = 0;
cache[cachePos++] = key;
return cache[cachePos++] = value;
};
}
class Rect {
constructor(left, top, right, bottom) {
this.left = left;
this.top = top;
this.right = right;
this.bottom = bottom;
}
} // ::- A table map describes the structore of a given table. To avoid
// recomputing them all the time, they are cached per table node. To
// be able to do that, positions saved in the map are relative to the
// start of the table, rather than the start of the document.
class TableMap {
constructor(width, height, map, problems) {
// :: number The width of the table
this.width = width; // :: number The table's height
this.height = height; // :: [number] A width * height array with the start position of
// the cell covering that part of the table in each slot
this.map = map; // An optional array of problems (cell overlap or non-rectangular
// shape) for the table, used by the table normalizer.
this.problems = problems;
} // :: (number) → Rect
// Find the dimensions of the cell at the given position.
findCell(pos) {
for (let i = 0; i < this.map.length; i++) {
let curPos = this.map[i];
if (curPos != pos) continue;
let left = i % this.width,
top = i / this.width | 0;
let right = left + 1,
bottom = top + 1;
for (let j = 1; right < this.width && this.map[i + j] == curPos; j++) right++;
for (let j = 1; bottom < this.height && this.map[i + this.width * j] == curPos; j++) bottom++;
return new Rect(left, top, right, bottom);
}
throw new RangeError('No cell with offset ' + pos + ' found');
} // :: (number) → number
// Find the left side of the cell at the given position.
colCount(pos) {
for (let i = 0; i < this.map.length; i++) if (this.map[i] == pos) return i % this.width;
throw new RangeError('No cell with offset ' + pos + ' found');
} // :: (number, string, number) → ?number
// Find the next cell in the given direction, starting from the cell
// at `pos`, if any.
nextCell(pos, axis, dir) {
let {
left,
right,
top,
bottom
} = this.findCell(pos);
if (axis == 'horiz') {
if (dir < 0 ? left == 0 : right == this.width) return null;
return this.map[top * this.width + (dir < 0 ? left - 1 : right)];
} else {
if (dir < 0 ? top == 0 : bottom == this.height) return null;
return this.map[left + this.width * (dir < 0 ? top - 1 : bottom)];
}
} // :: (number, number) → Rect
// Get the rectangle spanning the two given cells.
rectBetween(a, b) {
let {
left: leftA,
right: rightA,
top: topA,
bottom: bottomA
} = this.findCell(a);
let {
left: leftB,
right: rightB,
top: topB,
bottom: bottomB
} = this.findCell(b);
return new Rect(Math.min(leftA, leftB), Math.min(topA, topB), Math.max(rightA, rightB), Math.max(bottomA, bottomB));
} // :: (Rect) → [number]
// Return the position of all cells that have the top left corner in
// the given rectangle.
cellsInRect(rect) {
let result = [],
seen = {};
for (let row = rect.top; row < rect.bottom; row++) {
for (let col = rect.left; col < rect.right; col++) {
let index = row * this.width + col,
pos = this.map[index];
if (seen[pos]) continue;
seen[pos] = true;
if ((col != rect.left || !col || this.map[index - 1] != pos) && (row != rect.top || !row || this.map[index - this.width] != pos)) result.push(pos);
}
}
return result;
} // :: (number, number, Node) → number
// Return the position at which the cell at the given row and column
// starts, or would start, if a cell started there.
positionAt(row, col, table) {
for (let i = 0, rowStart = 0;; i++) {
let rowEnd = rowStart + table.child(i).nodeSize;
if (i == row) {
let index = col + row * this.width,
rowEndIndex = (row + 1) * this.width; // Skip past cells from previous rows (via rowspan)
while (index < rowEndIndex && this.map[index] < rowStart) index++;
return index == rowEndIndex ? rowEnd - 1 : this.map[index];
}
rowStart = rowEnd;
}
} // :: (Node) → TableMap
// Find the table map for the given table node.
static get(table) {
return readFromCache(table) || addToCache(table, computeMap(table));
}
} // Compute a table map.
function computeMap(table) {
if (table.type.spec.tableRole != 'table') throw new RangeError('Not a table node: ' + table.type.name);
let width = findWidth(table),
height = table.childCount;
let map = [],
mapPos = 0,
problems = null,
colWidths = [];
for (let i = 0, e = width * height; i < e; i++) map[i] = 0;
for (let row = 0, pos = 0; row < height; row++) {
let rowNode = table.child(row);
pos++;
for (let i = 0;; i++) {
while (mapPos < map.length && map[mapPos] != 0) mapPos++;
if (i == rowNode.childCount) break;
let cellNode = rowNode.child(i),
{
colspan,
rowspan,
colwidth
} = cellNode.attrs;
for (let h = 0; h < rowspan; h++) {
if (h + row >= height) {
(problems || (problems = [])).push({
type: 'overlong_rowspan',
pos,
n: rowspan - h
});
break;
}
let start = mapPos + h * width;
for (let w = 0; w < colspan; w++) {
if (map[start + w] == 0) map[start + w] = pos;else (problems || (problems = [])).push({
type: 'collision',
row,
pos,
n: colspan - w
});
let colW = colwidth && colwidth[w];
if (colW) {
let widthIndex = (start + w) % width * 2,
prev = colWidths[widthIndex];
if (prev == null || prev != colW && colWidths[widthIndex + 1] == 1) {
colWidths[widthIndex] = colW;
colWidths[widthIndex + 1] = 1;
} else if (prev == colW) {
colWidths[widthIndex + 1]++;
}
}
}
}
mapPos += colspan;
pos += cellNode.nodeSize;
}
let expectedPos = (row + 1) * width,
missing = 0;
while (mapPos < expectedPos) if (map[mapPos++] == 0) missing++;
if (missing) (problems || (problems = [])).push({
type: 'missing',
row,
n: missing
});
pos++;
}
let tableMap = new TableMap(width, height, map, problems),
badWidths = false; // For columns that have defined widths, but whose widths disagree
// between rows, fix up the cells whose width doesn't match the
// computed one.
for (let i = 0; !badWidths && i < colWidths.length; i += 2) if (colWidths[i] != null && colWidths[i + 1] < height) badWidths = true;
if (badWidths) findBadColWidths(tableMap, colWidths, table);
return tableMap;
}
function findWidth(table) {
let width = -1,
hasRowSpan = false;
for (let row = 0; row < table.childCount; row++) {
let rowNode = table.child(row),
rowWidth = 0;
if (hasRowSpan) for (let j = 0; j < row; j++) {
let prevRow = table.child(j);
for (let i = 0; i < prevRow.childCount; i++) {
let cell = prevRow.child(i);
if (j + cell.attrs.rowspan > row) rowWidth += cell.attrs.colspan;
}
}
for (let i = 0; i < rowNode.childCount; i++) {
let cell = rowNode.child(i);
rowWidth += cell.attrs.colspan;
if (cell.attrs.rowspan > 1) hasRowSpan = true;
}
if (width == -1) width = rowWidth;else if (width != rowWidth) width = Math.max(width, rowWidth);
}
return width;
}
function findBadColWidths(map, colWidths, table) {
if (!map.problems) map.problems = [];
for (let i = 0, seen = {}; i < map.map.length; i++) {
let pos = map.map[i];
if (seen[pos]) continue;
seen[pos] = true;
let node = table.nodeAt(pos),
updated = null;
for (let j = 0; j < node.attrs.colspan; j++) {
let col = (i + j) % map.width,
colWidth = colWidths[col * 2];
if (colWidth != null && (!node.attrs.colwidth || node.attrs.colwidth[j] != colWidth)) (updated || (updated = freshColWidth(node.attrs)))[j] = colWidth;
}
if (updated) map.problems.unshift({
type: 'colwidth mismatch',
pos,
colwidth: updated
});
}
}
function freshColWidth(attrs) {
if (attrs.colwidth) return attrs.colwidth.slice();
let result = [];
for (let i = 0; i < attrs.colspan; i++) result.push(0);
return result;
}
// Helper for creating a schema that supports tables.
function getCellAttrs(dom, extraAttrs) {
let widthAttr = dom.getAttribute('data-colwidth');
let widths = widthAttr && /^\d+(,\d+)*$/.test(widthAttr) ? widthAttr.split(',').map(s => Number(s)) : null;
let colspan = Number(dom.getAttribute('colspan') || 1);
let result = {
colspan,
rowspan: Number(dom.getAttribute('rowspan') || 1),
colwidth: widths && widths.length == colspan ? widths : null
};
for (let prop in extraAttrs) {
let getter = extraAttrs[prop].getFromDOM;
let value = getter && getter(dom);
if (value != null) result[prop] = value;
}
return result;
}
function setCellAttrs(node, extraAttrs) {
let attrs = {};
if (node.attrs.colspan != 1) attrs.colspan = node.attrs.colspan;
if (node.attrs.rowspan != 1) attrs.rowspan = node.attrs.rowspan;
if (node.attrs.colwidth) attrs['data-colwidth'] = node.attrs.colwidth.join(',');
for (let prop in extraAttrs) {
let setter = extraAttrs[prop].setDOMAttr;
if (setter) setter(node.attrs[prop], attrs);
}
return attrs;
} // :: (Object) → Object
//
// This function creates a set of [node
// specs](http://prosemirror.net/docs/ref/#model.SchemaSpec.nodes) for
// `table`, `table_row`, and `table_cell` nodes types as used by this
// module. The result can then be added to the set of nodes when
// creating a a schema.
//
// options::- The following options are understood:
//
// tableGroup:: ?string
// A group name (something like `"block"`) to add to the table
// node type.
//
// cellContent:: string
// The content expression for table cells.
//
// cellAttributes:: ?Object
// Additional attributes to add to cells. Maps attribute names to
// objects with the following properties:
//
// default:: any
// The attribute's default value.
//
// getFromDOM:: ?(dom.Node) → any
// A function to read the attribute's value from a DOM node.
//
// setDOMAttr:: ?(value: any, attrs: Object)
// A function to add the attribute's value to an attribute
// object that's used to render the cell's DOM.
function tableNodes(options) {
let extraAttrs = options.cellAttributes || {};
let cellAttrs = {
colspan: {
default: 1
},
rowspan: {
default: 1
},
colwidth: {
default: null
}
};
for (let prop in extraAttrs) cellAttrs[prop] = {
default: extraAttrs[prop].default
};
return {
table: {
content: 'table_row+',
tableRole: 'table',
isolating: true,
group: options.tableGroup,
parseDOM: [{
tag: 'table'
}],
toDOM() {
return ['table', ['tbody', 0]];
}
},
table_row: {
content: '(table_cell | table_header)*',
tableRole: 'row',
parseDOM: [{
tag: 'tr'
}],
toDOM() {
return ['tr', 0];
}
},
table_cell: {
content: options.cellContent,
attrs: cellAttrs,
tableRole: 'cell',
isolating: true,
parseDOM: [{
tag: 'td',
getAttrs: dom => getCellAttrs(dom, extraAttrs)
}],
toDOM(node) {
return ['td', setCellAttrs(node, extraAttrs), 0];
}
},
table_header: {
content: options.cellContent,
attrs: cellAttrs,
tableRole: 'header_cell',
isolating: true,
parseDOM: [{
tag: 'th',
getAttrs: dom => getCellAttrs(dom, extraAttrs)
}],
toDOM(node) {
return ['th', setCellAttrs(node, extraAttrs), 0];
}
}
};
}
function tableNodeTypes(schema) {
let result = schema.cached.tableNodeTypes;
if (!result) {
result = schema.cached.tableNodeTypes = {};
for (let name in schema.nodes) {
let type = schema.nodes[name],
role = type.spec.tableRole;
if (role) result[role] = type;
}
}
return result;
}
// Various helper function for working with tables
const key$1 = new prosemirrorState.PluginKey('selectingCells');
function cellAround($pos) {
for (let d = $pos.depth - 1; d > 0; d--) if ($pos.node(d).type.spec.tableRole == 'row') return $pos.node(0).resolve($pos.before(d + 1));
return null;
}
function cellWrapping($pos) {
for (let d = $pos.depth; d > 0; d--) {
// Sometimes the cell can be in the same depth.
const role = $pos.node(d).type.spec.tableRole;
if (role === 'cell' || role === 'header_cell') return $pos.node(d);
}
return null;
}
function isInTable(state) {
let $head = state.selection.$head;
for (let d = $head.depth; d > 0; d--) if ($head.node(d).type.spec.tableRole == 'row') return true;
return false;
}
function selectionCell(state) {
let sel = state.selection;
if (sel.$anchorCell) {
return sel.$anchorCell.pos > sel.$headCell.pos ? sel.$anchorCell : sel.$headCell;
} else if (sel.node && sel.node.type.spec.tableRole == 'cell') {
return sel.$anchor;
}
return cellAround(sel.$head) || cellNear(sel.$head);
}
function cellNear($pos) {
for (let after = $pos.nodeAfter, pos = $pos.pos; after; after = after.firstChild, pos++) {
let role = after.type.spec.tableRole;
if (role == 'cell' || role == 'header_cell') return $pos.doc.resolve(pos);
}
for (let before = $pos.nodeBefore, pos = $pos.pos; before; before = before.lastChild, pos--) {
let role = before.type.spec.tableRole;
if (role == 'cell' || role == 'header_cell') return $pos.doc.resolve(pos - before.nodeSize);
}
}
function pointsAtCell($pos) {
return $pos.parent.type.spec.tableRole == 'row' && $pos.nodeAfter;
}
function moveCellForward($pos) {
return $pos.node(0).resolve($pos.pos + $pos.nodeAfter.nodeSize);
}
function inSameTable($a, $b) {
return $a.depth == $b.depth && $a.pos >= $b.start(-1) && $a.pos <= $b.end(-1);
}
function findCell($pos) {
return TableMap.get($pos.node(-1)).findCell($pos.pos - $pos.start(-1));
}
function colCount($pos) {
return TableMap.get($pos.node(-1)).colCount($pos.pos - $pos.start(-1));
}
function nextCell($pos, axis, dir) {
let start = $pos.start(-1),
map = TableMap.get($pos.node(-1));
let moved = map.nextCell($pos.pos - start, axis, dir);
return moved == null ? null : $pos.node(0).resolve(start + moved);
}
function setAttr(attrs, name, value) {
let result = {};
for (let prop in attrs) result[prop] = attrs[prop];
result[name] = value;
return result;
}
function removeColSpan(attrs, pos, n = 1) {
let result = setAttr(attrs, 'colspan', attrs.colspan - n);
if (result.colwidth) {
result.colwidth = result.colwidth.slice();
result.colwidth.splice(pos, n);
if (!result.colwidth.some(w => w > 0)) result.colwidth = null;
}
return result;
}
function addColSpan(attrs, pos, n = 1) {
let result = setAttr(attrs, 'colspan', attrs.colspan + n);
if (result.colwidth) {
result.colwidth = result.colwidth.slice();
for (let i = 0; i < n; i++) result.colwidth.splice(pos, 0, 0);
}
return result;
}
function columnIsHeader(map, table, col) {
let headerCell = tableNodeTypes(table.type.schema).header_cell;
for (let row = 0; row < map.height; row++) if (table.nodeAt(map.map[col + row * map.width]).type != headerCell) return false;
return true;
}
// This file defines a ProseMirror selection subclass that models
// subclass that represents a cell selection spanning part of a table.
// With the plugin enabled, these will be created when the user
// selects across cells, and will be drawn by giving selected cells a
// `selectedCell` CSS class.
class CellSelection extends prosemirrorState.Selection {
// :: (ResolvedPos, ?ResolvedPos)
// A table selection is identified by its anchor and head cells. The
// positions given to this constructor should point _before_ two
// cells in the same table. They may be the same, to select a single
// cell.
constructor($anchorCell, $headCell = $anchorCell) {
let table = $anchorCell.node(-1),
map = TableMap.get(table),
start = $anchorCell.start(-1);
let rect = map.rectBetween($anchorCell.pos - start, $headCell.pos - start);
let doc = $anchorCell.node(0);
let cells = map.cellsInRect(rect).filter(p => p != $headCell.pos - start); // Make the head cell the first range, so that it counts as the
// primary part of the selection
cells.unshift($headCell.pos - start);
let ranges = cells.map(pos => {
let cell = table.nodeAt(pos),
from = pos + start + 1;
return new prosemirrorState.SelectionRange(doc.resolve(from), doc.resolve(from + cell.content.size));
});
super(ranges[0].$from, ranges[0].$to, ranges); // :: ResolvedPos
// A resolved position pointing _in front of_ the anchor cell (the one
// that doesn't move when extending the selection).
this.$anchorCell = $anchorCell; // :: ResolvedPos
// A resolved position pointing in front of the head cell (the one
// moves when extending the selection).
this.$headCell = $headCell;
}
map(doc, mapping) {
let $anchorCell = doc.resolve(mapping.map(this.$anchorCell.pos));
let $headCell = doc.resolve(mapping.map(this.$headCell.pos));
if (pointsAtCell($anchorCell) && pointsAtCell($headCell) && inSameTable($anchorCell, $headCell)) {
let tableChanged = this.$anchorCell.node(-1) != $anchorCell.node(-1);
if (tableChanged && this.isRowSelection()) return CellSelection.rowSelection($anchorCell, $headCell);else if (tableChanged && this.isColSelection()) return CellSelection.colSelection($anchorCell, $headCell);else return new CellSelection($anchorCell, $headCell);
}
return prosemirrorState.TextSelection.between($anchorCell, $headCell);
} // :: () → Slice
// Returns a rectangular slice of table rows containing the selected
// cells.
content() {
let table = this.$anchorCell.node(-1),
map = TableMap.get(table),
start = this.$anchorCell.start(-1);
let rect = map.rectBetween(this.$anchorCell.pos - start, this.$headCell.pos - start);
let seen = {},
rows = [];
for (let row = rect.top; row < rect.bottom; row++) {
let rowContent = [];
for (let index = row * map.width + rect.left, col = rect.left; col < rect.right; col++, index++) {
let pos = map.map[index];
if (!seen[pos]) {
seen[pos] = true;
let cellRect = map.findCell(pos),
cell = table.nodeAt(pos);
let extraLeft = rect.left - cellRect.left,
extraRight = cellRect.right - rect.right;
if (extraLeft > 0 || extraRight > 0) {
let attrs = cell.attrs;
if (extraLeft > 0) attrs = removeColSpan(attrs, 0, extraLeft);
if (extraRight > 0) attrs = removeColSpan(attrs, attrs.colspan - extraRight, extraRight);
if (cellRect.left < rect.left) cell = cell.type.createAndFill(attrs);else cell = cell.type.create(attrs, cell.content);
}
if (cellRect.top < rect.top || cellRect.bottom > rect.bottom) {
let attrs = setAttr(cell.attrs, 'rowspan', Math.min(cellRect.bottom, rect.bottom) - Math.max(cellRect.top, rect.top));
if (cellRect.top < rect.top) cell = cell.type.createAndFill(attrs);else cell = cell.type.create(attrs, cell.content);
}
rowContent.push(cell);
}
}
rows.push(table.child(row).copy(prosemirrorModel.Fragment.from(rowContent)));
}
const fragment = this.isColSelection() && this.isRowSelection() ? table : rows;
return new prosemirrorModel.Slice(prosemirrorModel.Fragment.from(fragment), 1, 1);
}
replace(tr, content = prosemirrorModel.Slice.empty) {
let mapFrom = tr.steps.length,
ranges = this.ranges;
for (let i = 0; i < ranges.length; i++) {
let {
$from,
$to
} = ranges[i],
mapping = tr.mapping.slice(mapFrom);
tr.replace(mapping.map($from.pos), mapping.map($to.pos), i ? prosemirrorModel.Slice.empty : content);
}
let sel = prosemirrorState.Selection.findFrom(tr.doc.resolve(tr.mapping.slice(mapFrom).map(this.to)), -1);
if (sel) tr.setSelection(sel);
}
replaceWith(tr, node) {
this.replace(tr, new prosemirrorModel.Slice(prosemirrorModel.Fragment.from(node), 0, 0));
}
forEachCell(f) {
let table = this.$anchorCell.node(-1),
map = TableMap.get(table),
start = this.$anchorCell.start(-1);
let cells = map.cellsInRect(map.rectBetween(this.$anchorCell.pos - start, this.$headCell.pos - start));
for (let i = 0; i < cells.length; i++) f(table.nodeAt(cells[i]), start + cells[i]);
} // :: () → bool
// True if this selection goes all the way from the top to the
// bottom of the table.
isColSelection() {
let anchorTop = this.$anchorCell.index(-1),
headTop = this.$headCell.index(-1);
if (Math.min(anchorTop, headTop) > 0) return false;
let anchorBot = anchorTop + this.$anchorCell.nodeAfter.attrs.rowspan,
headBot = headTop + this.$headCell.nodeAfter.attrs.rowspan;
return Math.max(anchorBot, headBot) == this.$headCell.node(-1).childCount;
} // :: (ResolvedPos, ?ResolvedPos) → CellSelection
// Returns the smallest column selection that covers the given anchor
// and head cell.
static colSelection($anchorCell, $headCell = $anchorCell) {
let map = TableMap.get($anchorCell.node(-1)),
start = $anchorCell.start(-1);
let anchorRect = map.findCell($anchorCell.pos - start),
headRect = map.findCell($headCell.pos - start);
let doc = $anchorCell.node(0);
if (anchorRect.top <= headRect.top) {
if (anchorRect.top > 0) $anchorCell = doc.resolve(start + map.map[anchorRect.left]);
if (headRect.bottom < map.height) $headCell = doc.resolve(start + map.map[map.width * (map.height - 1) + headRect.right - 1]);
} else {
if (headRect.top > 0) $headCell = doc.resolve(start + map.map[headRect.left]);
if (anchorRect.bottom < map.height) $anchorCell = doc.resolve(start + map.map[map.width * (map.height - 1) + anchorRect.right - 1]);
}
return new CellSelection($anchorCell, $headCell);
} // :: () → bool
// True if this selection goes all the way from the left to the
// right of the table.
isRowSelection() {
let map = TableMap.get(this.$anchorCell.node(-1)),
start = this.$anchorCell.start(-1);
let anchorLeft = map.colCount(this.$anchorCell.pos - start),
headLeft = map.colCount(this.$headCell.pos - start);
if (Math.min(anchorLeft, headLeft) > 0) return false;
let anchorRight = anchorLeft + this.$anchorCell.nodeAfter.attrs.colspan,
headRight = headLeft + this.$headCell.nodeAfter.attrs.colspan;
return Math.max(anchorRight, headRight) == map.width;
}
eq(other) {
return other instanceof CellSelection && other.$anchorCell.pos == this.$anchorCell.pos && other.$headCell.pos == this.$headCell.pos;
} // :: (ResolvedPos, ?ResolvedPos) → CellSelection
// Returns the smallest row selection that covers the given anchor
// and head cell.
static rowSelection($anchorCell, $headCell = $anchorCell) {
let map = TableMap.get($anchorCell.node(-1)),
start = $anchorCell.start(-1);
let anchorRect = map.findCell($anchorCell.pos - start),
headRect = map.findCell($headCell.pos - start);
let doc = $anchorCell.node(0);
if (anchorRect.left <= headRect.left) {
if (anchorRect.left > 0) $anchorCell = doc.resolve(start + map.map[anchorRect.top * map.width]);
if (headRect.right < map.width) $headCell = doc.resolve(start + map.map[map.width * (headRect.top + 1) - 1]);
} else {
if (headRect.left > 0) $headCell = doc.resolve(start + map.map[headRect.top * map.width]);
if (anchorRect.right < map.width) $anchorCell = doc.resolve(start + map.map[map.width * (anchorRect.top + 1) - 1]);
}
return new CellSelection($anchorCell, $headCell);
}
toJSON() {
return {
type: 'cell',
anchor: this.$anchorCell.pos,
head: this.$headCell.pos
};
}
static fromJSON(doc, json) {
return new CellSelection(doc.resolve(json.anchor), doc.resolve(json.head));
} // :: (Node, number, ?number) → CellSelection
static create(doc, anchorCell, headCell = anchorCell) {
return new CellSelection(doc.resolve(anchorCell), doc.resolve(headCell));
}
getBookmark() {
return new CellBookmark(this.$anchorCell.pos, this.$headCell.pos);
}
}
CellSelection.prototype.visible = false;
prosemirrorState.Selection.jsonID('cell', CellSelection);
class CellBookmark {
constructor(anchor, head) {
this.anchor = anchor;
this.head = head;
}
map(mapping) {
return new CellBookmark(mapping.map(this.anchor), mapping.map(this.head));
}
resolve(doc) {
let $anchorCell = doc.resolve(this.anchor),
$headCell = doc.resolve(this.head);
if ($anchorCell.parent.type.spec.tableRole == 'row' && $headCell.parent.type.spec.tableRole == 'row' && $anchorCell.index() < $anchorCell.parent.childCount && $headCell.index() < $headCell.parent.childCount && inSameTable($anchorCell, $headCell)) return new CellSelection($anchorCell, $headCell);else return prosemirrorState.Selection.near($headCell, 1);
}
}
function drawCellSelection(state) {
if (!(state.selection instanceof CellSelection)) return null;
let cells = [];
state.selection.forEachCell((node, pos) => {
cells.push(prosemirrorView.Decoration.node(pos, pos + node.nodeSize, {
class: 'selectedCell'
}));
});
return prosemirrorView.DecorationSet.create(state.doc, cells);
}
function isCellBoundarySelection({
$from,
$to
}) {
if ($from.pos == $to.pos || $from.pos < $from.pos - 6) return false; // Cheap elimination
let afterFrom = $from.pos,
beforeTo = $to.pos,
depth = $from.depth;
for (; depth >= 0; depth--, afterFrom++) if ($from.after(depth + 1) < $from.end(depth)) break;
for (let d = $to.depth; d >= 0; d--, beforeTo--) if ($to.before(d + 1) > $to.start(d)) break;
return afterFrom == beforeTo && /row|table/.test($from.node(depth).type.spec.tableRole);
}
function isTextSelectionAcrossCells({
$from,
$to
}) {
let fromCellBoundaryNode;
let toCellBoundaryNode;
for (let i = $from.depth; i > 0; i--) {
let node = $from.node(i);
if (node.type.spec.tableRole === 'cell' || node.type.spec.tableRole === 'header_cell') {
fromCellBoundaryNode = node;
break;
}
}
for (let i = $to.depth; i > 0; i--) {
let node = $to.node(i);
if (node.type.spec.tableRole === 'cell' || node.type.spec.tableRole === 'header_cell') {
toCellBoundaryNode = node;
break;
}
}
return fromCellBoundaryNode !== toCellBoundaryNode && $to.parentOffset === 0;
}
function normalizeSelection(state, tr, allowTableNodeSelection) {
let sel = (tr || state).selection,
doc = (tr || state).doc,
normalize,
role;
if (sel instanceof prosemirrorState.NodeSelection && (role = sel.node.type.spec.tableRole)) {
if (role == 'cell' || role == 'header_cell') {
normalize = CellSelection.create(doc, sel.from);
} else if (role == 'row') {
let $cell = doc.resolve(sel.from + 1);
normalize = CellSelection.rowSelection($cell, $cell);
} else if (!allowTableNodeSelection) {
let map = TableMap.get(sel.node),
start = sel.from + 1;
let lastCell = start + map.map[map.width * map.height - 1];
normalize = CellSelection.create(doc, start + 1, lastCell);
}
} else if (sel instanceof prosemirrorState.TextSelection && isCellBoundarySelection(sel)) {
normalize = prosemirrorState.TextSelection.create(doc, sel.from);
} else if (sel instanceof prosemirrorState.TextSelection && isTextSelectionAcrossCells(sel)) {
normalize = prosemirrorState.TextSelection.create(doc, sel.$from.start(), sel.$from.end());
}
if (normalize) (tr || (tr = state.tr)).setSelection(normalize);
return tr;
}
// Utilities used for copy/paste handling.
// : (Slice) → ?{width: number, height: number, rows: [Fragment]}
// Get a rectangular area of cells from a slice, or null if the outer
// nodes of the slice aren't table cells or rows.
function pastedCells(slice) {
if (!slice.size) return null;
let {
content,
openStart,
openEnd
} = slice;
while (content.childCount == 1 && (openStart > 0 && openEnd > 0 || content.firstChild.type.spec.tableRole == 'table')) {
openStart--;
openEnd--;
content = content.firstChild.content;
}
let first = content.firstChild,
role = first.type.spec.tableRole;
let schema = first.type.schema,
rows = [];
if (role == 'row') {
for (let i = 0; i < content.childCount; i++) {
let cells = content.child(i).content;
let left = i ? 0 : Math.max(0, openStart - 1);
let right = i < content.childCount - 1 ? 0 : Math.max(0, openEnd - 1);
if (left || right) cells = fitSlice(tableNodeTypes(schema).row, new prosemirrorModel.Slice(cells, left, right)).content;
rows.push(cells);
}
} else if (role == 'cell' || role == 'header_cell') {
rows.push(openStart || openEnd ? fitSlice(tableNodeTypes(schema).row, new prosemirrorModel.Slice(content, openStart, openEnd)).content : content);
} else {
return null;
}
return ensureRectangular(schema, rows);
} // : (Schema, [Fragment]) → {width: number, height: number, rows: [Fragment]}
// Compute the width and height of a set of cells, and make sure each
// row has the same number of cells.
function ensureRectangular(schema, rows) {
let widths = [];
for (let i = 0; i < rows.length; i++) {
let row = rows[i];
for (let j = row.childCount - 1; j >= 0; j--) {
let {
rowspan,
colspan
} = row.child(j).attrs;
for (let r = i; r < i + rowspan; r++) widths[r] = (widths[r] || 0) + colspan;
}
}
let width = 0;
for (let r = 0; r < widths.length; r++) width = Math.max(width, widths[r]);
for (let r = 0; r < widths.length; r++) {
if (r >= rows.length) rows.push(prosemirrorModel.Fragment.empty);
if (widths[r] < width) {
let empty = tableNodeTypes(schema).cell.createAndFill(),
cells = [];
for (let i = widths[r]; i < width; i++) cells.push(empty);
rows[r] = rows[r].append(prosemirrorModel.Fragment.from(cells));
}
}
return {
height: rows.length,
width,
rows
};
}
function fitSlice(nodeType, slice) {
let node = nodeType.createAndFill();
let tr = new prosemirrorTransform.Transform(node).replace(0, node.content.size, slice);
return tr.doc;
} // : ({width: number, height: number, rows: [Fragment]}, number, number) → {width: number, height: number, rows: [Fragment]}
// Clip or extend (repeat) the given set of cells to cover the given
// width and height. Will clip rowspan/colspan cells at the edges when
// they stick out.
function clipCells({
width,
height,
rows
}, newWidth, newHeight) {
if (width != newWidth) {
let added = [],
newRows = [];
for (let row = 0; row < rows.length; row++) {
let frag = rows[row],
cells = [];
for (let col = added[row] || 0, i = 0; col < newWidth; i++) {
let cell = frag.child(i % frag.childCount);
if (col + cell.attrs.colspan > newWidth) cell = cell.type.create(removeColSpan(cell.attrs, cell.attrs.colspan, col + cell.attrs.colspan - newWidth), cell.content);
cells.push(cell);
col += cell.attrs.colspan;
for (let j = 1; j < cell.attrs.rowspan; j++) added[row + j] = (added[row + j] || 0) + cell.attrs.colspan;
}
newRows.push(prosemirrorModel.Fragment.from(cells));
}
rows = newRows;
width = newWidth;
}
if (height != newHeight) {
let newRows = [];
for (let row = 0, i = 0; row < newHeight; row++, i++) {
let cells = [],
source = rows[i % height];
for (let j = 0; j < source.childCount; j++) {
let cell = source.child(j);
if (row + cell.attrs.rowspan > newHeight) cell = cell.type.create(setAttr(cell.attrs, 'rowspan', Math.max(1, newHeight - cell.attrs.rowspan)), cell.content);
cells.push(cell);
}
newRows.push(prosemirrorModel.Fragment.from(cells));
}
rows = newRows;
height = newHeight;
}
return {
width,
height,
rows
};
} // Make sure a table has at least the given width and height. Return
// true if something was changed.
function growTable(tr, map, table, start, width, height, mapFrom) {
let schema = tr.doc.type.schema,
types = tableNodeTypes(schema),
empty,
emptyHead;
if (width > map.width) {
for (let row = 0, rowEnd = 0; row < map.height; row++) {
let rowNode = table.child(row);
rowEnd += rowNode.nodeSize;
let cells = [],
add;
if (rowNode.lastChild == null || rowNode.lastChild.type == types.cell) add = empty || (empty = types.cell.createAndFill());else add = emptyHead || (emptyHead = types.header_cell.createAndFill());
for (let i = map.width; i < width; i++) cells.push(add);
tr.insert(tr.mapping.slice(mapFrom).map(rowEnd - 1 + start), cells);
}
}
if (height > map.height) {
let cells = [];
for (let i = 0, start = (map.height - 1) * map.width; i < Math.max(map.width, width); i++) {
let header = i >= map.width ? false : table.nodeAt(map.map[start + i]).type == types.header_cell;
cells.push(header ? emptyHead || (emptyHead = types.header_cell.createAndFill()) : empty || (empty = types.cell.createAndFill()));
}
let emptyRow = types.row.create(null, prosemirrorModel.Fragment.from(cells)),
rows = [];
for (let i = map.height; i < height; i++) rows.push(emptyRow);
tr.insert(tr.mapping.slice(mapFrom).map(start + table.nodeSize - 2), rows);
}
return !!(empty || emptyHead);
} // Make sure the given line (left, top) to (right, top) doesn't cross
// any rowspan cells by splitting cells that cross it. Return true if
// something changed.
function isolateHorizontal(tr, map, table, start, left, right, top, mapFrom) {
if (top == 0 || top == map.height) return false;
let found = false;
for (let col = left; col < right; col++) {
let index = top * map.width + col,
pos = map.map[index];
if (map.map[index - map.width] == pos) {
found = true;
let cell = table.nodeAt(pos);
let {
top: cellTop,
left: cellLeft
} = map.findCell(pos);
tr.setNodeMarkup(tr.mapping.slice(mapFrom).map(pos + start), null, setAttr(cell.attrs, 'rowspan', top - cellTop));
tr.insert(tr.mapping.slice(mapFrom).map(map.positionAt(top, cellLeft, table)), cell.type.createAndFill(setAttr(cell.attrs, 'rowspan', cellTop + cell.attrs.rowspan - top)));
col += cell.attrs.colspan - 1;
}
}
return found;
} // Make sure the given line (left, top) to (left, bottom) doesn't
// cross any colspan cells by splitting cells that cross it. Return
// true if something changed.
function isolateVertical(tr, map, table, start, top, bottom, left, mapFrom) {
if (left == 0 || left == map.width) return false;
let found = false;
for (let row = top; row < bottom; row++) {
let index = row * map.width + left,
pos = map.map[index];
if (map.map[index - 1] == pos) {
found = true;
let cell = table.nodeAt(pos),
cellLeft = map.colCount(pos);
let updatePos = tr.mapping.slice(mapFrom).map(pos + start);
tr.setNodeMarkup(updatePos, null, removeColSpan(cell.attrs, left - cellLeft, cell.attrs.colspan - (left - cellLeft)));
tr.insert(updatePos + cell.nodeSize, cell.type.createAndFill(removeColSpan(cell.attrs, 0, left - cellLeft)));
row += cell.attrs.rowspan - 1;
}
}
return found;
} // Insert the given set of cells (as returned by `pastedCells`) into a
// table, at the position pointed at by rect.
function insertCells(state, dispatch, tableStart, rect, cells) {
let table = tableStart ? state.doc.nodeAt(tableStart - 1) : state.doc,
map = TableMap.get(table);
let {
top,
left
} = rect;
let right = left + cells.width,
bottom = top + cells.height;
let tr = state.tr,
mapFrom = 0;
function recomp() {
table = tableStart ? tr.doc.nodeAt(tableStart - 1) : tr.doc;
map = TableMap.get(table);
mapFrom = tr.mapping.maps.length;
} // Prepare the table to be large enough and not have any cells
// crossing the boundaries of the rectangle that we want to
// insert into. If anything about it changes, recompute the table
// map so that subsequent operations can see the current shape.
if (growTable(tr, map, table, tableStart, right, bottom, mapFrom)) recomp();
if (isolateHorizontal(tr, map, table, tableStart, left, right, top, mapFrom)) recomp();
if (isolateHorizontal(tr, map, table, tableStart, left, right, bottom, mapFrom)) recomp();
if (isolateVertical(tr, map, table, tableStart, top, bottom, left, mapFrom)) recomp();
if (isolateVertical(tr, map, table, tableStart, top, bottom, right, mapFrom)) recomp();
for (let row = top; row < bottom; row++) {
let from = map.positionAt(row, left, table),
to = map.positionAt(row, right, table);
tr.replace(tr.mapping.slice(mapFrom).map(from + tableStart), tr.mapping.slice(mapFrom).map(to + tableStart), new prosemirrorModel.Slice(cells.rows[row - top], 0, 0));
}
recomp();
tr.setSelection(new CellSelection(tr.doc.resolve(tableStart + map.positionAt(top, left, table)), tr.doc.resolve(tableStart + map.positionAt(bottom - 1, right - 1, table))));
dispatch(tr);
}
// This file defines a number of helpers for wiring up user input to
const handleKeyDown = prosemirrorKeymap.keydownHandler({
ArrowLeft: arrow('horiz', -1),
ArrowRight: arrow('horiz', 1),
ArrowUp: arrow('vert', -1),
ArrowDown: arrow('vert', 1),
'Shift-ArrowLeft': shiftArrow('horiz', -1),
'Shift-ArrowRight': shiftArrow('horiz', 1),
'Shift-ArrowUp': shiftArrow('vert', -1),
'Shift-ArrowDown': shiftArrow('vert', 1),
Backspace: deleteCellSelection,
'Mod-Backspace': deleteCellSelection,
Delete: deleteCellSelection,
'Mod-Delete': deleteCellSelection
});
function maybeSetSelection(state, dispatch, selection) {
if (selection.eq(state.selection)) return false;
if (dispatch) dispatch(state.tr.setSelection(selection).scrollIntoView());
return true;
}
function arrow(axis, dir) {
return (state, dispatch, view) => {
let sel = state.selection;
if (sel instanceof CellSelection) {
return maybeSetSelection(state, dispatch, prosemirrorState.Selection.near(sel.$headCell, dir));
}
if (axis != 'horiz' && !sel.empty) return false;
let end = atEndOfCell(view, axis, dir);
if (end == null) return false;
if (axis == 'horiz') {
return maybeSetSelection(state, dispatch, prosemirrorState.Selection.near(state.doc.resolve(sel.head + dir), dir));
} else {
let $cell = state.doc.resolve(end),
$next = nextCell($cell, axis, dir),
newSel;
if ($next) newSel = prosemirrorState.Selection.near($next, 1);else if (dir < 0) newSel = prosemirrorState.Selection.near(state.doc.resolve($cell.before(-1)), -1);else newSel = prosemirrorState.Selection.near(state.doc.resolve($cell.after(-1)), 1);
return maybeSetSelection(state, dispatch, newSel);
}
};
}
function shiftArrow(axis, dir) {
return (state, dispatch, view) => {
let sel = state.selection;
if (!(sel instanceof CellSelection)) {
let end = atEndOfCell(view, axis, dir);
if (end == null) return false;
sel = new CellSelection(state.doc.resolve(end));
}
let $head = nextCell(sel.$headCell, axis, dir);
if (!$head) return false;
return maybeSetSelection(state, dispatch, new CellSelection(sel.$anchorCell, $head));
};
}
function deleteCellSelection(state, dispatch) {
let sel = state.selection;
if (!(sel instanceof CellSelection)) return false;
if (dispatch) {
let tr = state.tr,
baseContent = tableNodeTypes(state.schema).cell.createAndFill().content;
sel.forEachCell((cell, pos) => {
if (!cell.content.eq(baseContent)) tr.replace(tr.mapping.map(pos + 1), tr.mapping.map(pos + cell.nodeSize - 1), new prosemirrorModel.Slice(baseContent, 0, 0));
});
if (tr.docChanged) dispatch(tr);
}
return true;
}
function handleTripleClick(view, pos) {
let doc = view.state.doc,
$cell = cellAround(doc.resolve(pos));
if (!$cell) return false;
view.dispatch(view.state.tr.setSelection(new CellSelection($cell)));
return true;
}
function handlePaste(view, _, slice) {
if (!isInTable(view.state)) return false;
let cells = pastedCells(slice),
sel = view.state.selection;
if (sel instanceof CellSelection) {
if (!cells) cells = {
width: 1,
height: 1,
rows: [prosemirrorModel.Fragment.from(fitSlice(tableNodeTypes(view.state.schema).cell, slice))]
};
let table = sel.$anchorCell.node(-1),
start = sel.$anchorCell.start(-1);
let rect = TableMap.get(table).rectBetween(sel.$anchorCell.pos - start, sel.$headCell.pos - start);
cells = clipCells(cells, rect.right - rect.left, rect.bottom - rect.top);
insertCells(view.state, view.dispatch, start, rect, cells);
return true;
} else if (cells) {
let $cell = selectionCell(view.state),
start = $cell.start(-1);
insertCells(view.state, view.dispatch, start, TableMap.get($cell.node(-1)).findCell($cell.pos - start), cells);
return true;
} else {
return false;
}
}
function handleMouseDown$1(view, startEvent) {
if (startEvent.ctrlKey || startEvent.metaKey) return;
let startDOMCell = domInCell(view, startEvent.target),
$anchor;
if (startEvent.shiftKey && view.state.selection instanceof CellSelection) {
// Adding to an existing cell selection
setCellSelection(view.state.selection.$anchorCell, startEvent);
startEvent.preventDefault();
} else if (startEvent.shiftKey && startDOMCell && ($anchor = cellAround(view.state.selection.$anchor)) != null && cellUnderMouse(view, startEvent).pos != $anchor.pos) {
// Adding to a selection that starts in another cell (causing a
// cell selection to be created).
setCellSelection($anchor, startEvent);
startEvent.preventDefault();
} else if (!startDOMCell) {
// Not in a cell, let the default behavior happen.
return;
} // Create and dispatch a cell selection between the given anchor and
// the position under the mouse.
function setCellSelection($anchor, event) {
let $head = cellUnderMouse(view, event);
let starting = key$1.getState(view.state) == null;
if (!$head || !inSameTable($anchor, $head)) {
if (starting) $head = $anchor;else return;
}
let selection = new CellSelection($anchor, $head);
if (starting || !view.state.selection.eq(selection)) {
let tr = view.state.tr.setSelection(selection);
if (starting) tr.setMeta(key$1, $anchor.pos);
view.dispatch(tr);
}
} // Stop listening to mouse motion events.
function stop() {
view.root.removeEventListener('mouseup', stop);
view.root.removeEventListener('dragstart', stop);
view.root.removeEventListener('mousemove', move);
if (key$1.getState(view.state) != null) view.dispatch(view.state.tr.setMeta(key$1, -1));
}
function move(event) {
let anchor = key$1.getState(view.state),
$anchor;
if (anchor != null) {
// Continuing an existing cross-cell selection
$anchor = view.state.doc.resolve(anchor);
} else if (domInCell(view, event.target) != startDOMCell) {
// Moving out of the initial cell -- start a new cell selection
$anchor = cellUnderMouse(view, startEvent);
if (!$anchor) return stop();
}
if ($anchor) setCellSelection($anchor, event);
}
view.root.addEventListener('mouseup', stop);
view.root.addEventListener('dragstart', stop);
view.root.addEventListener('mousemove', move);
} // Check whether the cursor is at the end of a cell (so that further
// motion would move out of the cell)
function atEndOfCell(view, axis, dir) {
if (!(view.state.selection instanceof prosemirrorState.TextSelection)) return null;
let {
$head
} = view.state.selection;
for (let d = $head.depth - 1; d >= 0; d--) {
let parent = $head.node(d),
index = dir < 0 ? $head.index(d) : $head.indexAfter(d);
if (index != (dir < 0 ? 0 : parent.childCount)) return null;
if (parent.type.spec.tableRole == 'cell' || parent.type.spec.tableRole == 'header_cell') {
let cellPos = $head.before(d);
let dirStr = axis == 'vert' ? dir > 0 ? 'down' : 'up' : dir > 0 ? 'right' : 'left';
return view.endOfTextblock(dirStr) ? cellPos : null;
}
}
return null;
}
function domInCell(view, dom) {
for (; dom && dom != view.dom; dom = dom.parentNode) if (dom.nodeName == 'TD' || dom.nodeName == 'TH') return dom;
}
function cellUnderMouse(view, event) {
let mousePos = view.posAtCoords({
left: event.clientX,
top: event.clientY
});
if (!mousePos) return null;
return mousePos ? cellAround(view.state.doc.resolve(mousePos.pos)) : null;
}
// This file defines helpers for normalizing tables, making sure no
const fixTablesKey = new prosemirrorState.PluginKey('fix-tables'); // Helper for iterating through the nodes in a document that changed
// compared to the given previous document. Useful for avoiding
// duplicate work on each transaction.
function changedDescendants(old, cur, offset, f) {
let oldSize = old.childCount,
curSize = cur.childCount;
outer: for (let i = 0, j = 0; i < curSize; i++) {
let child = cur.child(i);
for (let scan = j, e = Math.min(oldSize, i + 3); scan < e; scan++) {
if (old.child(scan) == child) {
j = scan + 1;
offset += child.nodeSize;
continue outer;
}
}
f(child, offset);
if (j < oldSize && old.child(j).sameMarkup(child)) changedDescendants(old.child(j), child, offset + 1, f);else child.nodesBetween(0, child.content.size, f, offset + 1);
offset += child.nodeSize;
}
} // :: (EditorState, ?EditorState) → ?Transaction
// Inspect all tables in the given state's document and return a
// transaction that fixes them, if necessary. If `oldState` was
// provided, that is assumed to hold a previous, known-good state,
// which will be used to avoid re-scanning unchanged parts of the
// document.
function fixTables(state, oldState) {
let tr,
check = (node, pos) => {
if (node.type.spec.tableRole == 'table') tr = fixTable(state, node, pos, tr);
};
if (!oldState) state.doc.descendants(check);else if (oldState.doc != state.doc) changedDescendants(oldState.doc, state.doc, 0, check);
return tr;
} // : (EditorState, Node, number, ?Transaction) → ?Transaction
// Fix the given table, if necessary. Will append to the transaction
// it was given, if non-null, or create a new one if necessary.
function fixTable(state, table, tablePos, tr) {
let map = TableMap.get(table);
if (!map.problems) return tr;
if (!tr) tr = state.tr; // Track which rows we must add cells to, so that we can adjust that
// when fixing collisions.
let mustAdd = [];
for (let i = 0; i < map.height; i++) mustAdd.push(0);
for (let i = 0; i < map.problems.length; i++) {
let prob = map.problems[i];
if (prob.type == 'collision') {
let cell = table.nodeAt(prob.pos);
for (let j = 0; j < cell.attrs.rowspan; j++) mustAdd[prob.row + j] += prob.n;
tr.setNodeMarkup(tr.mapping.map(tablePos + 1 + prob.pos), null, removeColSpan(cell.attrs, cell.attrs.colspan - prob.n, prob.n));
} else if (prob.type == 'missing') {
mustAdd[prob.row] += prob.n;
} else if (prob.type == 'overlong_rowspan') {
let cell = table.nodeAt(prob.pos);
tr.setNodeMarkup(tr.mapping.map(tablePos + 1 + prob.pos), null, setAttr(cell.attrs, 'rowspan', cell.attrs.rowspan - prob.n));
} else if (prob.type == 'colwidth mismatch') {
let cell = table.nodeAt(prob.pos);
tr.setNodeMarkup(tr.mapping.map(tablePos + 1 + prob.pos), null, setAttr(cell.attrs, 'colwidth', prob.colwidth));
}
}
let first, last;
for (let i = 0; i < mustAdd.length; i++) if (mustAdd[i]) {
if (first == null) first = i;
last = i;
} // Add the necessary cells, using a heuristic for whether to add the
// cells at the start or end of the rows (if it looks like a 'bite'
// was taken out of the table, add cells at the start of the row
// after the bite. Otherwise add them at the end).
for (let i = 0, pos = tablePos + 1; i < map.height; i++) {
let row = table.child(i);
let end = pos + row.nodeSize;
let add = mustAdd[i];
if (add > 0) {
let tableNodeType = 'cell';
if (row.firstChild) {
tableNodeType = row.firstChild.type.spec.tableRole;
}
let nodes = [];
for (let j = 0; j < add; j++) nodes.push(tableNodeTypes(state.schema)[tableNodeType].createAndFill());
let side = (i == 0 || first == i - 1) && last == i ? pos + 1 : end - 1;
tr.insert(tr.mapping.map(side), nodes);
}
pos = end;
}
return tr.setMeta(fixTablesKey, {
fixTables: true
});
}
// This file defines a number of table-related commands.
// map, table node, and table start offset to the object for
// convenience.
function selectedRect(state) {
let sel = state.selection,
$pos = selectionCell(state);
let table = $pos.node(-1),
tableStart = $pos.start(-1),
map = TableMap.get(table);
let rect;
if (sel instanceof CellSelection) rect = map.rectBetween(sel.$anchorCell.pos - tableStart, sel.$headCell.pos - tableStart);else rect = map.findCell($pos.pos - tableStart);
rect.tableStart = tableStart;
rect.map = map;
rect.table = table;
return rect;
} // Add a column at the given position in a table.
function addColumn(tr, {
map,
tableStart,
table
}, col) {
let refColumn = col > 0 ? -1 : 0;
if (columnIsHeader(map, table, col + refColumn)) refColumn = col == 0 || col == map.width ? null : 0;
for (let row = 0; row < map.height; row++) {
let index = row * map.width + col; // If this position falls inside a col-spanning cell
if (col > 0 && col < map.width && map.map[index - 1] == map.map[index]) {
let pos = map.map[index],
cell = table.nodeAt(pos);
tr.setNodeMarkup(tr.mapping.map(tableStart + pos), null, addColSpan(cell.attrs, col - map.colCount(pos))); // Skip ahead if rowspan > 1
row += cell.attrs.rowspan - 1;
} else {
let type = refColumn == null ? tableNodeTypes(table.type.schema).cell : table.nodeAt(map.map[index + refColumn]).type;
let pos = map.positionAt(row, col, table);
tr.insert(tr.mapping.map(tableStart + pos), type.createAndFill());
}
}
return tr;
} // :: (EditorState, dispatch: ?(tr: Transaction)) → bool
// Command to add a column before the column with the selection.
function addColumnBefore(state, dispatch) {
if (!isInTable(state)) return false;
if (dispatch) {
let rect = selectedRect(state);
dispatch(addColumn(state.tr, rect, rect.left));
}
return true;
} // :: (EditorState, dispatch: ?(tr: Transaction)) → bool
// Command to add a column after the column with the selection.
function addColumnAfter(state, dispatch) {
if (!isInTable(state)) return false;
if (dispatch) {
let rect = selectedRect(state);
dispatch(addColumn(state.tr, rect, rect.right));
}
return true;
}
function removeColumn(tr, {
map,
table,
tableStart
}, col) {
let mapStart = tr.mapping.maps.length;
for (let row = 0; row < map.height;) {
let index = row * map.width + col,
pos = map.map[index],
cell = table.nodeAt(pos); // If this is part of a col-spanning cell
if (col > 0 && map.map[index - 1] == pos || col < map.width - 1 && map.map[index + 1] == pos) {
tr.setNodeMarkup(tr.mapping.slice(mapStart).map(tableStart + pos), null, removeColSpan(cell.attrs, col - map.colCount(pos)));
} else {
let start = tr.mapping.slice(mapStart).map(tableStart + pos);
tr.delete(start, start + cell.nodeSize);
}
row += cell.attrs.rowspan;
}
} // :: (EditorState, dispatch: ?(tr: Transaction)) → bool
// Command function that removes the selected columns from a table.
function deleteColumn(state, dispatch) {
if (!isInTable(state)) return false;
if (dispatch) {
let rect = selectedRect(state),
tr = state.tr;
if (rect.left == 0 && rect.right == rect.map.width) return false;
for (let i = rect.right - 1;; i--) {
removeColumn(tr, rect, i);
if (i == rect.left) break;
rect.table = rect.tableStart ? tr.doc.nodeAt(rect.tableStart - 1) : tr.doc;
rect.map = TableMap.get(rect.table);
}
dispatch(tr);
}
return true;
}
function rowIsHeader(map, table, row) {
let headerCell = tableNodeTypes(table.type.schema).header_cell;
for (let col = 0; col < map.width; col++) if (table.nodeAt(map.map[col + row * map.width]).type != headerCell) return false;
return true;
}
function addRow(tr, {
map,
tableStart,
table
}, row) {
let rowPos = tableStart;
for (let i = 0; i < row; i++) rowPos += table.child(i).nodeSize;
let cells = [],
refRow = row > 0 ? -1 : 0;
if (rowIsHeader(map, table, row + refRow)) refRow = row == 0 || row == map.height ? null : 0;
for (let col = 0, index = map.width * row; col < map.width; col++, index++) {
// Covered by a rowspan cell
if (row > 0 && row < map.height && map.map[index] == map.map[index - map.width]) {
let pos = map.map[index],
attrs = table.nodeAt(pos).attrs;
tr.setNodeMarkup(tableStart + pos, null, setAttr(attrs, 'rowspan', attrs.rowspan + 1));
col += attrs.colspan - 1;
} else {
let type = refRow == null ? tableNodeTypes(table.type.schema).cell : table.nodeAt(map.map[index + refRow * map.width]).type;
cells.push(type.createAndFill());
}
}
tr.insert(rowPos, tableNodeTypes(table.type.schema).row.create(null, cells));
return tr;
} // :: (EditorState, dispatch: ?(tr: Transaction)) → bool
// Add a table row before the selection.
function addRowBefore(state, dispatch) {
if (!isInTable(state)) return false;
if (dispatch) {
let rect = selectedRect(state);
dispatch(addRow(state.tr, rect, rect.top));
}
return true;
} // :: (EditorState, dispatch: ?(tr: Transaction)) → bool
// Add a table row after the selection.
function addRowAfter(state, dispatch) {
if (!isInTable(state)) return false;
if (dispatch) {
let rect = selectedRect(state);
dispatch(addRow(state.tr, rect, rect.bottom));
}
return true;
}
function removeRow(tr, {
map,
table,
tableStart
}, row) {
let rowPos = 0;
for (let i = 0; i < row; i++) rowPos += table.child(i).nodeSize;
let nextRow = rowPos + table.child(row).nodeSize;
let mapFrom = tr.mapping.maps.length;
tr.delete(rowPos + tableStart, nextRow + tableStart);
for (let col = 0, index = row * map.width; col < map.width; col++, index++) {
let pos = map.map[index];
if (row > 0 && pos == map.map[index - map.width]) {
// If this cell starts in the row above, simply reduce its rowspan
let attrs = table.nodeAt(pos).attrs;
tr.setNodeMarkup(tr.mapping.slice(mapFrom).map(pos + tableStart), null, setAttr(attrs, 'rowspan', attrs.rowspan - 1));
col += attrs.colspan - 1;
} else if (row < map.width && pos == map.map[index + map.width]) {
// Else, if it continues in the row below, it has to be moved down
let cell = table.nodeAt(pos);
let copy = cell.type.create(setAttr(cell.attrs, 'rowspan', cell.attrs.rowspan - 1), cell.content);
let newPos = map.positionAt(row + 1, col, table);
tr.insert(tr.mapping.slice(mapFrom).map(tableStart + newPos), copy);
col += cell.attrs.colspan - 1;
}
}
} // :: (EditorState, dispatch: ?(tr: Transaction)) → bool
// Remove the selected rows from a table.
function deleteRow(state, dispatch) {
if (!isInTable(state)) return false;
if (dispatch) {
let rect = selectedRect(state),
tr = state.tr;
if (rect.top == 0 && rect.bottom == rect.map.height) return false;
for (let i = rect.bottom - 1;; i--) {
removeRow(tr, rect, i);
if (i == rect.top) break;
rect.table = rect.tableStart ? tr.doc.nodeAt(rect.tableStart - 1) : tr.doc;
rect.map = TableMap.get(rect.table);
}
dispatch(tr);
}
return true;
}
function isEmpty(cell) {
let c = cell.content;
return c.childCount == 1 && c.firstChild.isTextblock && c.firstChild.childCount == 0;
}
function cellsOverlapRectangle({
width,
height,
map
}, rect) {
let indexTop = rect.top * width + rect.left,
indexLeft = indexTop;
let indexBottom = (rect.bottom - 1) * width + rect.left,
indexRight = indexTop + (rect.right - rect.left - 1);
for (let i = rect.top; i < rect.bottom; i++) {
if (rect.left > 0 && map[indexLeft] == map[indexLeft - 1] || rect.right < width && map[indexRight] == map[indexRight + 1]) return true;
indexLeft += width;
indexRight += width;
}
for (let i = rect.left; i < rect.right; i++) {
if (rect.top > 0 && map[indexTop] == map[indexTop - width] || rect.bottom < height && map[indexBottom] == map[indexBottom + width]) return true;
indexTop++;
indexBottom++;
}
return false;
} // :: (EditorState, dispatch: ?(tr: Transaction)) → bool
// Merge the selected cells into a single cell. Only available when
// the selected cells' outline forms a rectangle.
function mergeCells(state, dispatch) {
let sel = state.selection;
if (!(sel instanceof CellSelection) || sel.$anchorCell.pos == sel.$headCell.pos) return false;
let rect = selectedRect(state),
{
map
} = rect;
if (cellsOverlapRectangle(map, rect)) return false;
if (dispatch) {
let tr = state.tr,
seen = {},
content = prosemirrorModel.Fragment.empty,
mergedPos,
mergedCell;
for (let row = rect.top; row < rect.bottom; row++) {
for (let col = rect.left; col < rect.right; col++) {
let cellPos = map.map[row * map.width + col],
cell = rect.table.nodeAt(cellPos);
if (seen[cellPos]) continue;
seen[cellPos] = true;
if (mergedPos == null) {
mergedPos = cellPos;
mergedCell = cell;
} else {
if (!isEmpty(cell)) content = content.append(cell.content);
let mapped = tr.mapping.map(cellPos + rect.tableStart);
tr.delete(mapped, mapped + cell.nodeSize);
}
}
}
tr.setNodeMarkup(mergedPos + rect.tableStart, null, setAttr(addColSpan(mergedCell.attrs, mergedCell.attrs.colspan, rect.right - rect.left - mergedCell.attrs.colspan), 'rowspan', rect.bottom - rect.top));
if (content.size) {
let end = mergedPos + 1 + mergedCell.content.size;
let start = isEmpty(mergedCell) ? mergedPos + 1 : end;
tr.replaceWith(start + rect.tableStart, end + rect.tableStart, content);
}
tr.setSelection(new CellSelection(tr.doc.resolve(mergedPos + rect.tableStart)));
dispatch(tr);
}
return true;
} // :: (EditorState, dispatch: ?(tr: Transaction)) → bool
// Split a selected cell, whose rowpan or colspan is greater than one,
// into smaller cells. Use the first cell type for the new cells.
function splitCell(state, dispatch) {
const nodeTypes = tableNodeTypes(state.schema);
return splitCellWithType(({
node
}) => {
return nodeTypes[node.type.spec.tableRole];
})(state, dispatch);
} // :: (getCellType: ({ row: number, col: number, node: Node}) → NodeType) → (EditorState, dispatch: ?(tr: Transaction)) → bool
// Split a selected cell, whose rowpan or colspan is greater than one,
// into smaller cells with the cell type (th, td) returned by getType function.
function splitCellWithType(getCellType) {
return (state, dispatch) => {
let sel = state.selection;
let cellNode, cellPos;
if (!(sel instanceof CellSelection)) {
cellNode = cellWrapping(sel.$from);
if (!cellNode) return false;
cellPos = cellAround(sel.$from).pos;
} else {
if (sel.$anchorCell.pos != sel.$headCell.pos) return false;
cellNode = sel.$anchorCell.nodeAfter;
cellPos = sel.$anchorCell.pos;
}
if (cellNode.attrs.colspan == 1 && cellNode.attrs.rowspan == 1) {
return false;
}
if (dispatch) {
let baseAttrs = cellNode.attrs,
attrs = [],
colwidth = baseAttrs.colwidth;
if (baseAttrs.rowspan > 1) baseAttrs = setAttr(baseAttrs, 'rowspan', 1);
if (baseAttrs.colspan > 1) baseAttrs = setAttr(baseAttrs, 'colspan', 1);
let rect = selectedRect(state),
tr = state.tr;
for (let i = 0; i < rect.right - rect.left; i++) attrs.push(colwidth ? setAttr(baseAttrs, 'colwidth', colwidth && colwidth[i] ? [colwidth[i]] : null) : baseAttrs);
let lastCell;
for (let row = rect.top; row < rect.bottom; row++) {
let pos = rect.map.positionAt(row, rect.left, rect.table);
if (row == rect.top) pos += cellNode.nodeSize;
for (let col = rect.left, i = 0; col < rect.right; col++, i++) {
if (col == rect.left && row == rect.top) continue;
tr.insert(lastCell = tr.mapping.map(pos + rect.tableStart, 1), getCellType({
node: cellNode,
row,
col
}).createAndFill(attrs[i]));
}
}
tr.setNodeMarkup(cellPos, getCellType({
node: cellNode,
row: rect.top,
col: rect.left
}), attrs[0]);
if (sel instanceof CellSelection) tr.setSelection(new CellSelection(tr.doc.resolve(sel.$anchorCell.pos), lastCell && tr.doc.resolve(lastCell)));
dispatch(tr);
}
return true;
};
} // :: (string, any) → (EditorState, dispatch: ?(tr: Transaction)) → bool
// Returns a command that sets the given attribute to the given value,
// and is only available when the currently selected cell doesn't
// already have that attribute set to that value.
function setCellAttr(name, value) {
return function (state, dispatch) {
if (!isInTable(state)) return false;
let $cell = selectionCell(state);
if ($cell.nodeAfter.attrs[name] === value) return false;
if (dispatch) {
let tr = state.tr;
if (state.selection instanceof CellSelection) state.selection.forEachCell((node, pos) => {
if (node.attrs[name] !== value) tr.setNodeMarkup(pos, null, setAttr(node.attrs, name, value));
});else tr.setNodeMarkup($cell.pos, null, setAttr($cell.nodeAfter.attrs, name, value));
dispatch(tr);
}
return true;
};
}
function deprecated_toggleHeader(type) {
return function (state, dispatch) {
if (!isInTable(state)) return false;
if (dispatch) {
let types = tableNodeTypes(state.schema);
let rect = selectedRect(state),
tr = state.tr;
let cells = rect.map.cellsInRect(type == 'column' ? new Rect(rect.left, 0, rect.right, rect.map.height) : type == 'row' ? new Rect(0, rect.top, rect.map.width, rect.bottom) : rect);
let nodes = cells.map(pos => rect.table.nodeAt(pos));
for (let i = 0; i < cells.length; i++ // Remove headers, if any
) if (nodes[i].type == types.header_cell) tr.setNodeMarkup(rect.tableStart + cells[i], types.cell, nodes[i].attrs);
if (tr.steps.length == 0) for (let i = 0; i < cells.length; i++ // No headers removed, add instead
) tr.setNodeMarkup(rect.tableStart + cells[i], types.header_cell, nodes[i].attrs);
dispatch(tr);
}
return true;
};
}
function isHeaderEnabledByType(type, rect, types) {
// Get cell positions for first row or first column
const cellPositions = rect.map.cellsInRect({
left: 0,
top: 0,
right: type == 'row' ? rect.map.width : 1,
bottom: type == 'column' ? rect.map.height : 1
});
for (let i = 0; i < cellPositions.length; i++) {
const cell = rect.table.nodeAt(cellPositions[i]);
if (cell && cell.type !== types.header_cell) {
return false;
}
}
return true;
} // :: (string, ?{ useDeprecatedLogic: bool }) → (EditorState, dispatch: ?(tr: Transaction)) → bool
// Toggles between row/column header and normal cells (Only applies to first row/column).
// For deprecated behavior pass `useDeprecatedLogic` in options with true.
function toggleHeader(type, options) {
options = options || {
useDeprecatedLogic: false
};
if (options.useDeprecatedLogic) return deprecated_toggleHeader(type);
return function (state, dispatch) {
if (!isInTable(state)) return false;
if (dispatch) {
let types = tableNodeTypes(state.schema);
let rect = selectedRect(state),
tr = state.tr;
let isHeaderRowEnabled = isHeaderEnabledByType('row', rect, types);
let isHeaderColumnEnabled = isHeaderEnabledByType('column', rect, types);
let isHeaderEnabled = type === 'column' ? isHeaderRowEnabled : type === 'row' ? isHeaderColumnEnabled : false;
let selectionStartsAt = isHeaderEnabled ? 1 : 0;
let cellsRect = type == 'column' ? new Rect(0, selectionStartsAt, 1, rect.map.height) : type == 'row' ? new Rect(selectionStartsAt, 0, rect.map.width, 1) : rect;
let newType = type == 'column' ? isHeaderColumnEnabled ? types.cell : types.header_cell : type == 'row' ? isHeaderRowEnabled ? types.cell : types.header_cell : types.cell;
rect.map.cellsInRect(cellsRect).forEach(relativeCellPos => {
const cellPos = relativeCellPos + rect.tableStart;
const cell = tr.doc.nodeAt(cellPos);
if (cell) {
tr.setNodeMarkup(cellPos, newType, cell.attrs);
}
});
dispatch(tr);
}
return true;
};
} // :: (EditorState, dispatch: ?(tr: Transaction)) → bool
// Toggles whether the selected row contains header cells.
let toggleHeaderRow = toggleHeader('row', {
useDeprecatedLogic: true
}); // :: (EditorState, dispatch: ?(tr: Transaction)) → bool
// Toggles whether the selected column contains header cells.
let toggleHeaderColumn = toggleHeader('column', {
useDeprecatedLogic: true
}); // :: (EditorState, dispatch: ?(tr: Transaction)) → bool
// Toggles whether the selected cells are header cells.
let toggleHeaderCell = toggleHeader('cell', {
useDeprecatedLogic: true
});
function findNextCell($cell, dir) {
if (dir < 0) {
let before = $cell.nodeBefore;
if (before) return $cell.pos - before.nodeSize;
for (let row = $cell.index(-1) - 1, rowEnd = $cell.before(); row >= 0; row--) {
let rowNode = $cell.node(-1).child(row);
if (rowNode.childCount) return rowEnd - 1 - rowNode.lastChild.nodeSize;
rowEnd -= rowNode.nodeSize;
}
} else {
if ($cell.index() < $cell.parent.childCount - 1) return $cell.pos + $cell.nodeAfter.nodeSize;
let table = $cell.node(-1);
for (let row = $cell.indexAfter(-1), rowStart = $cell.after(); row < table.childCount; row++) {
let rowNode = table.child(row);
if (rowNode.childCount) return rowStart + 1;
rowStart += rowNode.nodeSize;
}
}
} // :: (number) → (EditorState, dispatch: ?(tr: Transaction)) → bool
// Returns a command for selecting the next (direction=1) or previous
// (direction=-1) cell in a table.
function goToNextCell(direction) {
return function (state, dispatch) {
if (!isInTable(state)) return false;
let cell = findNextCell(selectionCell(state), direction);
if (cell == null) return;
if (dispatch) {
let $cell = state.doc.resolve(cell);
dispatch(state.tr.setSelection(prosemirrorState.TextSelection.between($cell, moveCellForward($cell))).scrollIntoView());
}
return true;
};
} // :: (EditorState, ?(tr: Transaction)) → bool
// Deletes the table around the selection, if any.
function deleteTable(state, dispatch) {
let $pos = state.selection.$anchor;
for (let d = $pos.depth; d > 0; d--) {
let node = $pos.node(d);
if (node.type.spec.tableRole == 'table') {
if (dispatch) dispatch(state.tr.delete($pos.before(d), $pos.after(d)).scrollIntoView());
return true;
}
}
return false;
}
class TableView {
constructor(node, cellMinWidth) {
this.node = node;
this.cellMinWidth = cellMinWidth;
this.dom = document.createElement('div');
this.dom.className = 'tableWrapper';
this.table = this.dom.appendChild(document.createElement('table'));
this.colgroup = this.table.appendChild(document.createElement('colgroup'));
updateColumns(node, this.colgroup, this.table, cellMinWidth);
this.contentDOM = this.table.appendChild(document.createElement('tbody'));
}
update(node) {
if (node.type != this.node.type) return false;
this.node = node;
updateColumns(node, this.colgroup, this.table, this.cellMinWidth);
return true;
}
ignoreMutation(record) {
return record.type == 'attributes' && (record.target == this.table || this.colgroup.contains(record.target));
}
}
function updateColumns(node, colgroup, table, cellMinWidth, overrideCol, overrideValue) {
let totalWidth = 0,
fixedWidth = true;
let nextDOM = colgroup.firstChild,
row = node.firstChild;
for (let i = 0, col = 0; i < row.childCount; i++) {
let {
colspan,
colwidth
} = row.child(i).attrs;
for (let j = 0; j < colspan; j++, col++) {
let hasWidth = overrideCol == col ? overrideValue : colwidth && colwidth[j];
let cssWidth = hasWidth ? hasWidth + 'px' : '';
totalWidth += hasWidth || cellMinWidth;
if (!hasWidth) fixedWidth = false;
if (!nextDOM) {
colgroup.appendChild(document.createElement('col')).style.width = cssWidth;
} else {
if (nextDOM.style.width != cssWidth) nextDOM.style.width = cssWidth;
nextDOM = nextDOM.nextSibling;
}
}
}
while (nextDOM) {
let after = nextDOM.nextSibling;
nextDOM.parentNode.removeChild(nextDOM);
nextDOM = after;
}
if (fixedWidth) {
table.style.width = totalWidth + 'px';
table.style.minWidth = '';
} else {
table.style.width = '';
table.style.minWidth = totalWidth + 'px';
}
}
const key = new prosemirrorState.PluginKey('tableColumnResizing');
function columnResizing({
handleWidth = 5,
cellMinWidth = 25,
View = TableView,
lastColumnResizable = true
} = {}) {
let plugin = new prosemirrorState.Plugin({
key,
state: {
init(_, state) {
this.spec.props.nodeViews[tableNodeTypes(state.schema).table.name] = (node, view) => new View(node, cellMinWidth, view);
return new ResizeState(-1, false);
},
apply(tr, prev) {
return prev.apply(tr);
}
},
props: {
attributes(state) {
let pluginState = key.getState(state);
return pluginState.activeHandle > -1 ? {
class: 'resize-cursor'
} : null;
},
handleDOMEvents: {
mousemove(view, event) {
handleMouseMove(view, event, handleWidth, cellMinWidth, lastColumnResizable);
},
mouseleave(view) {
handleMouseLeave(view);
},
mousedown(view, event) {
handleMouseDown(view, event, cellMinWidth);
}
},
decorations(state) {
let pluginState = key.getState(state);
if (pluginState.activeHandle > -1) return handleDecorations(state, pluginState.activeHandle);
},
nodeViews: {}
}
});
return plugin;
}
class ResizeState {
constructor(activeHandle, dragging) {
this.activeHandle = activeHandle;
this.dragging = dragging;
}
apply(tr) {
let state = this,
action = tr.getMeta(key);
if (action && action.setHandle != null) return new ResizeState(action.setHandle, null);
if (action && action.setDragging !== undefined) return new ResizeState(state.activeHandle, action.setDragging);
if (state.activeHandle > -1 && tr.docChanged) {
let handle = tr.mapping.map(state.activeHandle, -1);
if (!pointsAtCell(tr.doc.resolve(handle))) handle = null;
state = new ResizeState(handle, state.dragging);
}
return state;
}
}
function handleMouseMove(view, event, handleWidth, cellMinWidth, lastColumnResizable) {
let pluginState = key.getState(view.state);
if (!pluginState.dragging) {
let target = domCellAround(event.target),
cell = -1;
if (target) {
let {
left,
right
} = target.getBoundingClientRect();
if (event.clientX - left <= handleWidth) cell = edgeCell(view, event, 'left');else if (right - event.clientX <= handleWidth) cell = edgeCell(view, event, 'right');
}
if (cell != pluginState.activeHandle) {
if (!lastColumnResizable && cell !== -1) {
let $cell = view.state.doc.resolve(cell);
let table = $cell.node(-1),
map = TableMap.get(table),
start = $cell.start(-1);
let col = map.colCount($cell.pos - start) + $cell.nodeAfter.attrs.colspan - 1;
if (col == map.width - 1) {
return;
}
}
updateHandle(view, cell);
}
}
}
function handleMouseLeave(view) {
let pluginState = key.getState(view.state);
if (pluginState.activeHandle > -1 && !pluginState.dragging) updateHandle(view, -1);
}
function handleMouseDown(view, event, cellMinWidth) {
let pluginState = key.getState(view.state);
if (pluginState.activeHandle == -1 || pluginState.dragging) return false;
let cell = view.state.doc.nodeAt(pluginState.activeHandle);
let width = currentColWidth(view, pluginState.activeHandle, cell.attrs);
view.dispatch(view.state.tr.setMeta(key, {
setDragging: {
startX: event.clientX,
startWidth: width
}
}));
function finish(event) {
window.removeEventListener('mouseup', finish);
window.removeEventListener('mousemove', move);
let pluginState = key.getState(view.state);
if (pluginState.dragging) {
updateColumnWidth(view, pluginState.activeHandle, draggedWidth(pluginState.dragging, event, cellMinWidth));
view.dispatch(view.state.tr.setMeta(key, {
setDragging: null
}));
}
}
function move(event) {
if (!event.which) return finish(event);
let pluginState = key.getState(view.state);
let dragged = draggedWidth(pluginState.dragging, event, cellMinWidth);
displayColumnWidth(view, pluginState.activeHandle, dragged, cellMinWidth);
}
window.addEventListener('mouseup', finish);
window.addEventListener('mousemove', move);
event.preventDefault();
return true;
}
function currentColWidth(view, cellPos, {
colspan,
colwidth
}) {
let width = colwidth && colwidth[colwidth.length - 1];
if (width) return width;
let dom = view.domAtPos(cellPos);
let node = dom.node.childNodes[dom.offset];
let domWidth = node.offsetWidth,
parts = colspan;
if (colwidth) for (let i = 0; i < colspan; i++) if (colwidth[i]) {
domWidth -= colwidth[i];
parts--;
}
return domWidth / parts;
}
function domCellAround(target) {
while (target && target.nodeName != 'TD' && target.nodeName != 'TH') target = target.classList.contains('ProseMirror') ? null : target.parentNode;
return target;
}
function edgeCell(view, event, side) {
let found = view.posAtCoords({
left: event.clientX,
top: event.clientY
});
if (!found) return -1;
let {
pos
} = found;
let $cell = cellAround(view.state.doc.resolve(pos));
if (!$cell) return -1;
if (side == 'right') return $cell.pos;
let map = TableMap.get($cell.node(-1)),
start = $cell.start(-1);
let index = map.map.indexOf($cell.pos - start);
return index % map.width == 0 ? -1 : start + map.map[index - 1];
}
function draggedWidth(dragging, event, cellMinWidth) {
let offset = event.clientX - dragging.startX;
return Math.max(cellMinWidth, dragging.startWidth + offset);
}
function updateHandle(view, value) {
view.dispatch(view.state.tr.setMeta(key, {
setHandle: value
}));
}
function updateColumnWidth(view, cell, width) {
let $cell = view.state.doc.resolve(cell);
let table = $cell.node(-1),
map = TableMap.get(table),
start = $cell.start(-1);
let col = map.colCount($cell.pos - start) + $cell.nodeAfter.attrs.colspan - 1;
let tr = view.state.tr;
for (let row = 0; row < map.height; row++) {
let mapIndex = row * map.width + col; // Rowspanning cell that has already been handled
if (row && map.map[mapIndex] == map.map[mapIndex - map.width]) continue;
let pos = map.map[mapIndex],
{
attrs
} = table.nodeAt(pos);
let index = attrs.colspan == 1 ? 0 : col - map.colCount(pos);
if (attrs.colwidth && attrs.colwidth[index] == width) continue;
let colwidth = attrs.colwidth ? attrs.colwidth.slice() : zeroes(attrs.colspan);
colwidth[index] = width;
tr.setNodeMarkup(start + pos, null, setAttr(attrs, 'colwidth', colwidth));
}
if (tr.docChanged) view.dispatch(tr);
}
function displayColumnWidth(view, cell, width, cellMinWidth) {
let $cell = view.state.doc.resolve(cell);
let table = $cell.node(-1),
start = $cell.start(-1);
let col = TableMap.get(table).colCount($cell.pos - start) + $cell.nodeAfter.attrs.colspan - 1;
let dom = view.domAtPos($cell.start(-1)).node;
while (dom.nodeName != 'TABLE') dom = dom.parentNode;
updateColumns(table, dom.firstChild, dom, cellMinWidth, col, width);
}
function zeroes(n) {
let result = [];
for (let i = 0; i < n; i++) result.push(0);
return result;
}
function handleDecorations(state, cell) {
let decorations = [];
let $cell = state.doc.resolve(cell);
let table = $cell.node(-1),
map = TableMap.get(table),
start = $cell.start(-1);
let col = map.colCount($cell.pos - start) + $cell.nodeAfter.attrs.colspan;
for (let row = 0; row < map.height; row++) {
let index = col + row * map.width - 1; // For positions that are have either a different cell or the end
// of the table to their right, and either the top of the table or
// a different cell above them, add a decoration
if ((col == map.width || map.map[index] != map.map[index + 1]) && (row == 0 || map.map[index - 1] != map.map[index - 1 - map.width])) {
let cellPos = map.map[index];
let pos = start + cellPos + table.nodeAt(cellPos).nodeSize - 1;
let dom = document.createElement('div');
dom.className = 'column-resize-handle';
decorations.push(prosemirrorView.Decoration.widget(pos, dom));
}
}
return prosemirrorView.DecorationSet.create(state.doc, decorations);
}
// This file defines a plugin that handles the drawing of cell
//
// Creates a [plugin](http://prosemirror.net/docs/ref/#state.Plugin)
// that, when added to an editor, enables cell-selection, handles
// cell-based copy/paste, and makes sure tables stay well-formed (each
// row has the same width, and cells don't overlap).
//
// You should probably put this plugin near the end of your array of
// plugins, since it handles mouse and arrow key events in tables
// rather broadly, and other plugins, like the gap cursor or the
// column-width dragging plugin, might want to get a turn first to
// perform more specific behavior.
function tableEditing({
allowTableNodeSelection = false
} = {}) {
return new prosemirrorState.Plugin({
key: key$1,
// This piece of state is used to remember when a mouse-drag
// cell-selection is happening, so that it can continue even as
// transactions (which might move its anchor cell) come in.
state: {
init() {
return null;
},
apply(tr, cur) {
let set = tr.getMeta(key$1);
if (set != null) return set == -1 ? null : set;
if (cur == null || !tr.docChanged) return cur;
let {
deleted,
pos
} = tr.mapping.mapResult(cur);
return deleted ? null : pos;
}
},
props: {
decorations: drawCellSelection,
handleDOMEvents: {
mousedown: handleMouseDown$1
},
createSelectionBetween(view) {
if (key$1.getState(view.state) != null) return view.state.selection;
},
handleTripleClick,
handleKeyDown,
handlePaste
},
appendTransaction(_, oldState, state) {
return normalizeSelection(state, fixTables(state, oldState), allowTableNodeSelection);
}
});
}
exports.CellSelection = CellSelection;
exports.TableMap = TableMap;
exports.TableView = TableView;
exports.__clipCells = clipCells;
exports.__insertCells = insertCells;
exports.__pastedCells = pastedCells;
exports.addColSpan = addColSpan;
exports.addColumn = addColumn;
exports.addColumnAfter = addColumnAfter;
exports.addColumnBefore = addColumnBefore;
exports.addRow = addRow;
exports.addRowAfter = addRowAfter;
exports.addRowBefore = addRowBefore;
exports.cellAround = cellAround;
exports.colCount = colCount;
exports.columnIsHeader = columnIsHeader;
exports.columnResizing = columnResizing;
exports.columnResizingPluginKey = key;
exports.deleteColumn = deleteColumn;
exports.deleteRow = deleteRow;
exports.deleteTable = deleteTable;
exports.findCell = findCell;
exports.fixTables = fixTables;
exports.fixTablesKey = fixTablesKey;
exports.goToNextCell = goToNextCell;
exports.handlePaste = handlePaste;
exports.inSameTable = inSameTable;
exports.isInTable = isInTable;
exports.mergeCells = mergeCells;
exports.moveCellForward = moveCellForward;
exports.nextCell = nextCell;
exports.pointsAtCell = pointsAtCell;
exports.removeColSpan = removeColSpan;
exports.removeColumn = removeColumn;
exports.removeRow = removeRow;
exports.rowIsHeader = rowIsHeader;
exports.selectedRect = selectedRect;
exports.selectionCell = selectionCell;
exports.setAttr = setAttr;
exports.setCellAttr = setCellAttr;
exports.splitCell = splitCell;
exports.splitCellWithType = splitCellWithType;
exports.tableEditing = tableEditing;
exports.tableEditingKey = key$1;
exports.tableNodeTypes = tableNodeTypes;
exports.tableNodes = tableNodes;
exports.toggleHeader = toggleHeader;
exports.toggleHeaderCell = toggleHeaderCell;
exports.toggleHeaderColumn = toggleHeaderColumn;
exports.toggleHeaderRow = toggleHeaderRow;
exports.updateColumnsOnResize = updateColumns;
//# sourceMappingURL=index.cjs.js.map