diff --git a/nezha-fronted/src/components/chart/chart/chartGauge.vue b/nezha-fronted/src/components/chart/chart/chartGauge.vue index 494e05cb7..cf8eee8ef 100644 --- a/nezha-fronted/src/components/chart/chart/chartGauge.vue +++ b/nezha-fronted/src/components/chart/chart/chartGauge.vue @@ -78,10 +78,8 @@ export default { } this.timer = setTimeout(() => { this.initGaugeData(this.chartInfo, this.chartData).then(() => { - this.getLayout().then(layout => { - this.renderGauge(layout).then(() => { - this.gaugeChartInit() - }) + this.renderGauge().then(() => { + this.gaugeChartInit() }) }) }, 200) @@ -130,52 +128,53 @@ export default { resolve() }) }, - getLayout () { - this.boxWidth = this.$refs['chart-gauge-box' + this.chartInfo.id].offsetWidth - 2 * this.boxPadding - this.boxHeight = this.$refs['chart-gauge-box' + this.chartInfo.id].offsetHeight - 2 * this.boxPadding - return new Promise(resolve => { - let rateMax = 0 - let col = 0 - let row = 0 - for (let i = 1; i <= this.gaugeData.length; i++) { - const cols = Math.ceil(this.gaugeData.length / i) - const w = this.boxWidth / i - const h = this.boxHeight / cols - const rate = w > h ? h / w : w / h - if (rate > rateMax) { - rateMax = rate - col = cols - row = i - } - } - if (this.gaugeData.length) { - while (col * row >= this.gaugeData.length) { // 避免出现空白 - row-- - } - } - row++ - if (col === 1 || row === 1) { // 行 或 列有一个为1时 需要调换位置 显示才会好看 - const temp = col - col = row - row = temp - } - resolve({ col, row }) - }) + calculateGridDimensions (parentWidth, parentHeight, numberOfChildren) { + const vertical = this.calculateSizeOfChild(parentWidth, parentHeight, numberOfChildren) + const horizontal = this.calculateSizeOfChild(parentHeight, parentWidth, numberOfChildren) + const square = Math.max(vertical, horizontal) + let xCount = Math.floor(parentWidth / square) + const yCount = Math.ceil(numberOfChildren / xCount) + + // after yCount update xCount to make split between rows more even + xCount = Math.ceil(numberOfChildren / yCount) + + const itemsOnLastRow = xCount - (xCount * yCount - numberOfChildren) + const widthOnLastRow = parentWidth / itemsOnLastRow + + return { + width: parentWidth / xCount, + height: parentHeight / yCount, + widthOnLastRow, + xCount, + yCount + } }, - renderGauge (layout) { + calculateSizeOfChild (parentWidth, parentHeight, numberOfChildren) { + const parts = Math.ceil(Math.sqrt((numberOfChildren * parentWidth) / parentHeight)) + if (Math.floor((parts * parentHeight) / parentWidth) * parts < numberOfChildren) { + return parentHeight / Math.ceil((parts * parentHeight) / parentWidth) + } + return parentWidth / parts + }, + renderGauge () { return new Promise(resolve => { - const width = this.boxWidth / layout.col - const height = this.boxHeight / layout.row - const integer = Math.floor(this.gaugeData.length / layout.col) - const remainder = this.gaugeData.length % layout.col - const specialIndex = integer * layout.col - const specialWidth = this.boxWidth / remainder + try { + this.boxWidth = this.$refs['chart-gauge-box' + this.chartInfo.id].offsetWidth - 3 * this.boxPadding + this.boxHeight = this.$refs['chart-gauge-box' + this.chartInfo.id].offsetHeight - 3 * this.boxPadding + } catch (error) {} + + const grid = this.calculateGridDimensions(this.boxWidth, this.boxHeight, this.gaugeData.length) + let xGrid = 0 + let yGrid = 0 + this.gaugeData.forEach((item, index) => { - item.height = height - if (remainder && index >= specialIndex) { - item.width = specialWidth - } else { - item.width = width + const isLastRow = yGrid === grid.yCount - 1 + item.width = isLastRow ? grid.widthOnLastRow : grid.width + item.height = grid.height + xGrid++ + if (xGrid === grid.xCount) { + xGrid = 0 + yGrid++ } }) resolve() @@ -255,10 +254,8 @@ export default { }, resize () { setTimeout(() => { - this.getLayout().then(layout => { - this.renderGauge(layout).then(() => { - this.gaugeChartResize() - }) + this.renderGauge().then(() => { + this.gaugeChartResize() }) }) },