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* Copyright 2019 Adobe. All rights reserved.
* This file is licensed to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
* OF ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
import MasonryColumnLayout from './MasonryColumnLayout';
import {getFirstRowFilledColumns} from './MasonryLayoutUtil';
/**
Layout with fixed width and evenly spread items. The width of the items is defined with the <code>columnwidth</code>
attribute.
@example
<coral-masonry layout="fixed-spread" columnwidth="300">
@class Coral.Masonry.FixedSpreadLayout
@extends {MasonryColumnLayout}
*/
class MasonryFixedSpreadLayout extends MasonryColumnLayout {
/** @inheritdoc */
_writeStyles(items) {
const columns = this._columns;
// If the first row is not filled, then the items should be aligned left
this._alignLeft = getFirstRowFilledColumns(columns, items) < columns.length;
if (!this._alignLeft) {
const remainingWidth = this._masonryInnerWidth - this._columnWidth * columns.length;
this._horSpacing = remainingWidth / (columns.length + 1);
}
super._writeStyles(items);
}
/** @inheritdoc */
_getItemWidth(colspan) {
return this._columnWidth * colspan + this._horSpacing * (colspan - 1);
}
/** @inheritdoc */
_getItemLeft(columnIndex) {
return this._zeroOffsetLeft + this._columnWidth * columnIndex + this._horSpacing * (columnIndex + 1);
}
}
exportE default MasonryFixedSpreadLayout;
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