coral-spectrum/coral-component-masonry/src/scripts/MasonryDashboardLayout.js
- /**
- * 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 MasonryVariableLayout from './MasonryVariableLayout';
-
- /**
- Layout with variable width items which are expanded in their height to fill gaps (which are common with colspan).
- The minimal width of the items is defined with the <code>columnwidth</code> attribute.
-
- @example
- <coral-masonry layout="dashboard" columnwidth="300">
-
- @class Coral.Masonry.DashboardLayout
- @extends {MasonryVariableLayout}
- */
- class MasonryDashboardLayout extends MasonryVariableLayout {
- /** @inheritdoc */
- _writeItemStyle(item) {
- // Reset height because otherwise getBoundingClientRect() will not return the real height
- this._resetItem(item);
- }
-
- /** @inheritdoc */
- _postLayout(contentHeight) {
- for (let columnIndex = 0 ; columnIndex < this._columns.length ; columnIndex++) {
- const column = this._columns[columnIndex];
- let nextItemTop = contentHeight + this._offsetTop;
-
- // Fill gaps by expanding the height of the items
- for (let itemIndex = column.items.length - 1 ; itemIndex >= 0 ; itemIndex--) {
- const item = column.items[itemIndex];
- const layoutData = item._layoutData;
- if (layoutData.columnIndex === columnIndex) {
- const expandedHeight = nextItemTop - layoutData.top - this._verSpacing;
- item.style.height = `${expandedHeight}px`;
- }
- nextItemTop = layoutData.top;
- }
- }
- }
-
- /** @inheritdoc */
- _resetItem(item) {
- item.style.height = '';
- }
- }
-
- export default MasonryDashboardLayout;