react-markdown-editor-lite
Version:
a light-weight Markdown editor based on React
76 lines (75 loc) • 2.47 kB
JavaScript
import react from "react";
class TableList extends react.Component {
config = {
padding: 3,
width: 20,
height: 20
};
constructor(props){
super(props);
const { maxRow = 5, maxCol = 6 } = props;
this.state = {
maxRow,
maxCol,
list: this.formatTableModel(maxRow, maxCol)
};
}
formatTableModel(maxRow = 0, maxCol = 0) {
const result = new Array(maxRow).fill(void 0);
return result.map((_)=>new Array(maxCol).fill(0));
}
calcWrapStyle() {
const { maxRow, maxCol } = this.state;
const { width, height, padding } = this.config;
const wrapWidth = (width + padding) * maxCol - padding;
const wrapHeight = (height + padding) * maxRow - padding;
return {
width: `${wrapWidth}px`,
height: `${wrapHeight}px`
};
}
calcItemStyle(row = 0, col = 0) {
const { width, height, padding } = this.config;
const top = (height + padding) * row;
const left = (width + padding) * col;
return {
top: `${top}px`,
left: `${left}px`
};
}
getList(i, j) {
const { list } = this.state;
return list.map((v, row)=>v.map((_, col)=>row <= i && col <= j ? 1 : 0));
}
handleHover(i, j) {
this.setState({
list: this.getList(i, j)
});
}
handleSetTable(i, j) {
const { onSetTable } = this.props;
if ('function' == typeof onSetTable) onSetTable({
row: i + 1,
col: j + 1
});
}
componentDidUpdate(prevProps) {
if (false === this.props.visibility && prevProps.visibility !== this.props.visibility) this.setState({
list: this.getList(-1, -1)
});
}
render() {
return /*#__PURE__*/ react.createElement("ul", {
className: "table-list wrap",
style: this.calcWrapStyle()
}, this.state.list.map((row, i)=>row.map((col, j)=>/*#__PURE__*/ react.createElement("li", {
className: `list-item ${1 === col ? 'active' : ''}`,
key: `${i}-${j}`,
style: this.calcItemStyle(i, j),
onMouseOver: this.handleHover.bind(this, i, j),
onClick: this.handleSetTable.bind(this, i, j)
}))));
}
}
const table = TableList;
export { table as default };