devexpress-richedit
Version:
DevExpress Rich Text Editor is an advanced word-processing tool designed for working with rich text documents.
66 lines (65 loc) • 3.01 kB
JavaScript
import { Flag } from '@devexpress/utils/lib/class/flag';
import { Rectangle } from '@devexpress/utils/lib/geometry/rectangle';
import { ListUtils } from '@devexpress/utils/lib/utils/list';
import { NumberMapUtils } from '@devexpress/utils/lib/utils/map/number';
export var TableCellBoundFlags;
(function (TableCellBoundFlags) {
TableCellBoundFlags[TableCellBoundFlags["StartAndEndOnOtherColumns"] = 0] = "StartAndEndOnOtherColumns";
TableCellBoundFlags[TableCellBoundFlags["StartOnThisColumn"] = 1] = "StartOnThisColumn";
TableCellBoundFlags[TableCellBoundFlags["EndOnThisColumn"] = 2] = "EndOnThisColumn";
})(TableCellBoundFlags || (TableCellBoundFlags = {}));
export class LayoutTableCellInfo extends Rectangle {
cellGridIndex;
parentRow;
avaliableContentWidth;
layoutRows = [];
boundFlags;
internalTables;
constructor(parentRow, bound, cellGridIndex, avaliableContentWidth) {
super(bound.x, bound.y, bound.width, bound.height);
this.parentRow = parentRow;
this.layoutRows = [];
this.cellGridIndex = cellGridIndex;
this.boundFlags = new Flag(TableCellBoundFlags.StartOnThisColumn | TableCellBoundFlags.EndOnThisColumn);
this.internalTables = {};
this.avaliableContentWidth = avaliableContentWidth;
}
isStartWithInternalTable() {
return !!this.internalTables[0];
}
isEndWithInternalTable() {
return !!this.internalTables[this.layoutRows.length];
}
getLastLayoutRowIncludingInternalTables() {
const lastInternalTable = this.internalTables[this.layoutRows.length];
return lastInternalTable ?
ListUtils.last(ListUtils.last(lastInternalTable.tableRows).rowCells).getLastLayoutRowIncludingInternalTables() :
ListUtils.last(this.layoutRows);
}
getFirstLayoutRowByModelPositionIncludingInternalTables() {
const firstInternalTable = this.internalTables[0];
if (firstInternalTable) {
let result = null;
let minOffset = Number.MAX_VALUE;
for (const cell of firstInternalTable.tableRows[0].rowCells) {
const firstRow = cell.getFirstLayoutRowByModelPositionIncludingInternalTables();
if (firstRow.columnOffset < minOffset) {
minOffset = firstRow.columnOffset;
result = firstRow;
}
}
return result;
}
else
return this.layoutRows[0];
}
getEndPosition() {
const internalTableAfterLastRow = this.internalTables[this.layoutRows.length];
return internalTableAfterLastRow ?
ListUtils.last(ListUtils.last(internalTableAfterLastRow.tableRows).rowCells).getEndPosition() :
ListUtils.last(this.layoutRows).getEndPosition();
}
isEmpty() {
return !this.layoutRows.length && NumberMapUtils.isEmpty(this.internalTables);
}
}