58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
/*
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Copyright 2018 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import ResizeItem from "../item";
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import Sizer from "../sizer";
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/**
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distributors translate a moving cursor into
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CSS/DOM changes by calling the sizer
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they have two methods:
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`resize` receives then new item size
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`resizeFromContainerOffset` receives resize handle location
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within the container bounding box. For internal use.
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This method usually ends up calling `resize` once the start offset is subtracted.
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the offset from the container edge of where
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the mouse cursor is.
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*/
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export default class FixedDistributor {
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static createItem(resizeHandle, resizer, sizer) {
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return new ResizeItem(resizeHandle, resizer, sizer);
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}
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static createSizer(containerElement, vertical, reverse) {
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return new Sizer(containerElement, vertical, reverse);
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}
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constructor(item) {
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this.item = item;
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this.beforeOffset = item.offset();
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}
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resize(size) {
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this.item.setSize(size);
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}
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resizeFromContainerOffset(offset) {
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this.resize(offset - this.beforeOffset);
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}
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start() {}
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finish() {}
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}
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