2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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export default {
created() {
this.tableLayout.addObserver(this);
},
destroyed() {
this.tableLayout.removeObserver(this);
},
computed: {
tableLayout() {
let layout = this.layout;
if (!layout && this.table) {
layout = this.table.layout;
}
if (!layout) {
throw new Error('Can not find table layout.');
}
return layout;
}
},
mounted() {
this.onColumnsChange(this.tableLayout);
this.onScrollableChange(this.tableLayout);
},
updated() {
if (this.__updated__) return;
this.onColumnsChange(this.tableLayout);
this.onScrollableChange(this.tableLayout);
this.__updated__ = true;
},
methods: {
onColumnsChange() {
const cols = this.$el.querySelectorAll('colgroup > col');
if (!cols.length) return;
const flattenColumns = this.tableLayout.getFlattenColumns();
const columnsMap = {};
flattenColumns.forEach((column) => {
columnsMap[column.id] = column;
});
for (let i = 0, j = cols.length; i < j; i++) {
const col = cols[i];
const name = col.getAttribute('name');
const column = columnsMap[name];
if (column) {
col.setAttribute('width', column.realWidth || column.width);
}
}
},
onScrollableChange(layout) {
const cols = this.$el.querySelectorAll('colgroup > col[name=gutter]');
for (let i = 0, j = cols.length; i < j; i++) {
const col = cols[i];
col.setAttribute('width', layout.scrollY ? layout.gutterWidth : '0');
}
const ths = this.$el.querySelectorAll('th.gutter');
for (let i = 0, j = ths.length; i < j; i++) {
const th = ths[i];
th.style.width = layout.scrollY ? layout.gutterWidth + 'px' : '0';
th.style.display = layout.scrollY ? '' : 'none';
}
}
}
};
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