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DockBox.js
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DockBox.js
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import * as React from "react";
import { DockContextType } from "./DockData";
import { Divider } from "./Divider";
import { DockPanel } from "./DockPanel";
export class DockBox extends React.PureComponent {
constructor() {
super(...arguments);
this.getRef = (r) => {
this._ref = r;
};
this.getDividerData = (idx) => {
if (!this._ref) {
return null;
}
let { children, mode } = this.props.boxData;
let nodes = this._ref.childNodes;
if (nodes.length !== children.length * 2 - 1) {
return;
}
let dividerChildren = [];
for (let i = 0; i < children.length; ++i) {
if (mode === 'vertical') {
dividerChildren.push({ size: nodes[i * 2].offsetHeight, minSize: children[i].minHeight });
}
else {
dividerChildren.push({ size: nodes[i * 2].offsetWidth, minSize: children[i].minWidth });
}
}
return {
element: this._ref,
beforeDivider: dividerChildren.slice(0, idx),
afterDivider: dividerChildren.slice(idx)
};
};
this.changeSizes = (sizes) => {
let { children } = this.props.boxData;
if (children.length !== sizes.length) {
return;
}
for (let i = 0; i < children.length; ++i) {
children[i].size = sizes[i];
}
this.forceUpdate();
};
this.onDragEnd = () => {
this.context.onSilentChange(null, 'move');
};
}
render() {
let { boxData } = this.props;
let { minWidth, minHeight, size, children, mode, id, widthFlex, heightFlex } = boxData;
let isVertical = mode === 'vertical';
let childrenRender = [];
for (let i = 0; i < children.length; ++i) {
if (i > 0) {
childrenRender.push(React.createElement(Divider, { idx: i, key: i, isVertical: isVertical, onDragEnd: this.onDragEnd, getDividerData: this.getDividerData, changeSizes: this.changeSizes }));
}
let child = children[i];
if ('tabs' in child) {
childrenRender.push(React.createElement(DockPanel, { size: child.size, panelData: child, key: child.id }));
// render DockPanel
}
else if ('children' in child) {
childrenRender.push(React.createElement(DockBox, { size: child.size, boxData: child, key: child.id }));
}
}
let cls;
let flex = 1;
if (mode === 'vertical') {
cls = 'dock-box dock-vbox';
if (widthFlex != null) {
flex = widthFlex;
}
}
else {
// since special boxes dont reuse this render function, this can only be horizontal box
cls = 'dock-box dock-hbox';
if (heightFlex != null) {
flex = heightFlex;
}
}
let flexGrow = flex * size;
let flexShrink = flex * 1000000;
if (flexShrink < 1) {
flexShrink = 1;
}
return (React.createElement("div", { ref: this.getRef, className: cls, "data-dockid": id, style: { minWidth, minHeight, flex: `${flexGrow} ${flexShrink} ${size}px` } }, childrenRender));
}
}
DockBox.contextType = DockContextType;