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import _toConsumableArray from 'babel-runtime/helpers/toConsumableArray';
import _extends from 'babel-runtime/helpers/extends';
import _classCallCheck from 'babel-runtime/helpers/classCallCheck';
import _createClass from 'babel-runtime/helpers/createClass';
var ColumnManager = function () {
function ColumnManager(columns) {
_classCallCheck(this, ColumnManager);
this.columns = columns;
this._cached = {};
}
_createClass(ColumnManager, [{
key: 'isAnyColumnsFixed',
value: function isAnyColumnsFixed() {
var _this = this;
return this._cache('isAnyColumnsFixed', function () {
return _this.columns.some(function (column) {
return !!column.fixed;
});
});
}
}, {
key: 'isAnyColumnsLeftFixed',
value: function isAnyColumnsLeftFixed() {
var _this2 = this;
return this._cache('isAnyColumnsLeftFixed', function () {
return _this2.columns.some(function (column) {
return column.fixed === 'left' || column.fixed === true;
});
});
}
}, {
key: 'isAnyColumnsRightFixed',
value: function isAnyColumnsRightFixed() {
var _this3 = this;
return this._cache('isAnyColumnsRightFixed', function () {
return _this3.columns.some(function (column) {
return column.fixed === 'right';
});
});
}
}, {
key: 'leftColumns',
value: function leftColumns() {
var _this4 = this;
return this._cache('leftColumns', function () {
return _this4.groupedColumns().filter(function (column) {
return column.fixed === 'left' || column.fixed === true;
});
});
}
}, {
key: 'rightColumns',
value: function rightColumns() {
var _this5 = this;
return this._cache('rightColumns', function () {
return _this5.groupedColumns().filter(function (column) {
return column.fixed === 'right';
});
});
}
}, {
key: 'leafColumns',
value: function leafColumns() {
var _this6 = this;
return this._cache('leafColumns', function () {
return _this6._leafColumns(_this6.columns);
});
}
}, {
key: 'leftLeafColumns',
value: function leftLeafColumns() {
var _this7 = this;
return this._cache('leftLeafColumns', function () {
return _this7._leafColumns(_this7.leftColumns());
});
}
}, {
key: 'rightLeafColumns',
value: function rightLeafColumns() {
var _this8 = this;
return this._cache('rightLeafColumns', function () {
return _this8._leafColumns(_this8.rightColumns());
});
}
// add appropriate rowspan and colspan to column
}, {
key: 'groupedColumns',
value: function groupedColumns() {
var _this9 = this;
return this._cache('groupedColumns', function () {
var _groupColumns = function _groupColumns(columns) {
var currentRow = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
var parentColumn = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
var rows = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : [];
// track how many rows we got
rows[currentRow] = rows[currentRow] || [];
var grouped = [];
var setRowSpan = function setRowSpan(column) {
var rowSpan = rows.length - currentRow;
if (column && !column.children && // parent columns are supposed to be one row
rowSpan > 1 && (!column.rowSpan || column.rowSpan < rowSpan)) {
column.rowSpan = rowSpan;
}
};
columns.forEach(function (column, index) {
var newColumn = _extends({}, column);
rows[currentRow].push(newColumn);
parentColumn.colSpan = parentColumn.colSpan || 0;
if (newColumn.children && newColumn.children.length > 0) {
newColumn.children = _groupColumns(newColumn.children, currentRow + 1, newColumn, rows);
parentColumn.colSpan += newColumn.colSpan;
} else {
parentColumn.colSpan++;
}
// update rowspan to all same row columns
for (var i = 0; i < rows[currentRow].length - 1; ++i) {
setRowSpan(rows[currentRow][i]);
}
// last column, update rowspan immediately
if (index + 1 === columns.length) {
setRowSpan(newColumn);
}
grouped.push(newColumn);
});
return grouped;
};
return _groupColumns(_this9.columns);
});
}
}, {
key: 'reset',
value: function reset(columns) {
this.columns = columns;
this._cached = {};
}
}, {
key: '_cache',
value: function _cache(name, fn) {
if (name in this._cached) {
return this._cached[name];
}
this._cached[name] = fn();
return this._cached[name];
}
}, {
key: '_leafColumns',
value: function _leafColumns(columns) {
var _this10 = this;
var leafColumns = [];
columns.forEach(function (column) {
if (!column.children) {
leafColumns.push(column);
} else {
leafColumns.push.apply(leafColumns, _toConsumableArray(_this10._leafColumns(column.children)));
}
});
return leafColumns;
}
}]);
return ColumnManager;
}();
export default ColumnManager;