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feat: pagination

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Continuation of PR #93.

- reworked layout for pagination controls on graph
- use BucketMatrixPager for pagination logic and state
This commit is contained in:
Ivan Mikheykin
2020-07-13 21:31:14 +03:00
parent 99ba3cbdd6
commit ef4b0e1228
28 changed files with 469 additions and 1153 deletions
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src/rendering.ts
+15 -104
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@@ -7,7 +7,7 @@ import * as d3 from 'd3';
import * as d3ScaleChromatic from './libs/d3-scale-chromatic/index';
import {StatusmapTooltip} from './tooltip';
import {AnnotationTooltip} from './annotations';
import { Bucket, BucketMatrix } from './statusmap_data';
import { Bucket, BucketMatrix, BucketMatrixPager } from './statusmap_data';
import { StatusHeatmapCtrl, renderComplete } from './module';
import { CoreEvents, PanelEvents } from './libs/grafana/events/index';
@@ -61,6 +61,7 @@ export class StatusmapRenderer {
yGridSize: number = 0;
bucketMatrix: BucketMatrix;
bucketMatrixPager: BucketMatrixPager;
panel: any;
$heatmap: any;
tooltip: StatusmapTooltip;
@@ -134,9 +135,12 @@ export class StatusmapRenderer {
}
if (this.panel.usingPagination) {
height -= this.panel.legend.show ? 140 : 10; // bottom padding and space for legend. Change margin in .status-heatmap-color-legend !
// TODO get height of pagination controls.
// reserve height for legend and for a row of pagination controls.
height -= this.panel.legend.show ? 70 : 40; // bottom padding and space for legend. Change margin in .status-heatmap-color-legend !
} else {
height -= this.panel.legend.show ? 50 : 10; // bottom padding and space for legend. Change margin in .status-heatmap-color-legend !
// reserve height for legend
height -= this.panel.legend.show ? 32 : 4; // bottom padding and space for legend. Change margin in .status-heatmap-color-legend !
}
this.$heatmap.css('height', height + 'px');
@@ -214,9 +218,7 @@ export class StatusmapRenderer {
// divide chart height by ticks for cards drawing
getYScale(ticks: any[]) {
let range:any[] = [];
//let step = this.chartHeight / ticks.length;
console.log('GETYSCALE - RENDERING', this.ctrl.getPaginationSize());
let step = this.chartHeight / this.ctrl.getPaginationSize();
let step = this.chartHeight / ticks.length;
// svg has y=0 on the top, so top card should have a minimal value in range
range.push(step);
for (let i = 1; i < ticks.length; i++) {
@@ -230,9 +232,7 @@ export class StatusmapRenderer {
// divide chart height by ticks with offset for ticks drawing
getYAxisScale(ticks: any[]) {
let range:any[] = [];
//let step = this.chartHeight / ticks.length;
console.log('GETYAXISSCALE - RENDERING', this.ctrl.getPaginationSize());
let step = this.chartHeight / this.ctrl.getPaginationSize();
let step = this.chartHeight / ticks.length;
// svg has y=0 on the top, so top tick should have a minimal value in range
range.push(this.yOffset);
for (let i = 1; i < ticks.length; i++) {
@@ -244,26 +244,9 @@ export class StatusmapRenderer {
}
addYAxis() {
let ticks = this.bucketMatrixPager.targets();
let ticks;
if(this.ctrl.ticksWhenPaginating !== undefined && this.ctrl.panel.usingPagination) {
ticks = _.uniq(_.map(this.ctrl.ticksWhenPaginating));
} else {
ticks = this.bucketMatrix.targets;
//ticks = _.uniq(_.map(this.data, d => d.target));
}
// // Set default Y min and max if no data
// if (_.isEmpty(this.data)) {
// ticks = [''];
// }
//
// // TODO
// // New version!
// let ticks = this.bucketMatrix.targets;
// TODO move sorting into bucketMatrixPager.
if (this.panel.yAxisSort == 'a → z') {
ticks.sort((a, b) => a.localeCompare(b, 'en', {ignorePunctuation: false, numeric: true}));
} else if (this.panel.yAxisSort == 'z → a') {
@@ -352,17 +335,9 @@ export class StatusmapRenderer {
// calculate yOffset for YAxis
this.yGridSize = this.chartHeight;
if (this.ctrl.panel.usingPagination) {
// Pagination mode overrides count of rows.
//this.yGridSize = Math.floor(this.chartHeight / this.ctrl.ticksWhenPaginating.length);
console.log('addHeatmapCanvas - rendering',this.ctrl.getPaginationSize());
this.yGridSize = Math.floor(this.chartHeight / this.ctrl.getPaginationSize());
} else {
if (this.bucketMatrix.targets.length > 0) {
this.yGridSize = Math.floor(this.chartHeight / this.bucketMatrix.targets.length);
}
if (this.bucketMatrixPager.targets().length > 0) {
this.yGridSize = Math.floor(this.chartHeight / this.bucketMatrixPager.targets().length);
}
this.cardHeight = this.yGridSize ? this.yGridSize - this.cardVSpacing : 0;
this.yOffset = this.cardHeight / 2;
@@ -398,7 +373,7 @@ export class StatusmapRenderer {
this.setOpacityScale(maxValue);
// Draw cards from buckets.
this.heatmap.selectAll(".statusmap-cards-row").data(this.bucketMatrix.targets)
this.heatmap.selectAll(".statusmap-cards-row").data(this.bucketMatrixPager.targets())
.enter()
.selectAll(".statustmap-card")
.data((target:string) => this.bucketMatrix.buckets[target])
@@ -778,75 +753,14 @@ export class StatusmapRenderer {
}
}
render() {
this.panel = this.ctrl.panel;
this.timeRange = this.ctrl.range;
this.bucketMatrix = this.ctrl.bucketMatrix;
this.bucketMatrixPager = this.ctrl.bucketMatrixPager;
if (!this.bucketMatrix || !this.setElementHeight()) {
return;
} else {
// TODO pagination!
this.ctrl.cardsDataComplete = this.ctrl.bucketMatrix.buckets;
if(this.ctrl.panel.usingPagination) {
if (!this.bucketMatrix.targets) {
return;
}
this.ctrl.setFirstPageElement((this.ctrl.getCurrentPage()*this.ctrl.getPaginationSize())+1);
let elems = this.ctrl.getTotalElements();
console.log('total elems in add heatmap canvas', elems);
if (elems < this.ctrl.getFirstPageElement()) {
this.ctrl.setCurrentPage(0);
this.render();
}
if (this.ctrl.getPaginationSize() >= this.ctrl.getTotalElements()) {
this.ctrl.setLastPageElement(this.ctrl.getTotalElements());
} else {
if ((this.ctrl.getCurrentPage()+1) === this.ctrl.getNumberOfPages() && (this.ctrl.getCurrentPage()>0)) {
this.ctrl.setLastPageElement(this.ctrl.getTotalElements());
} else {
this.ctrl.setLastPageElement((this.ctrl.getCurrentPage() * this.ctrl.getPaginationSize())+this.ctrl.getPaginationSize());
}
}
let cardsList = this.ctrl.bucketMatrix.targets.slice(this.ctrl.getPaginationSize()*this.ctrl.getCurrentPage(),
(this.ctrl.getPaginationSize()*this.ctrl.getCurrentPage())+this.ctrl.getPaginationSize());
let cardsToShow = [];
let labelsToShow = [];
// Rewrite for bucket matrix.
for (let i = 0; i < this.cardsData.cards.length; i++) {
const card = this.cardsData.cards[i];
for (let j = 0; j < cardsList.length; j++) {
const value = cardsList[j];
if (card.y === value) {
cardsToShow.push(card);
labelsToShow.push(value);
}
}
}
const labelsToShowClean = [...new Set(labelsToShow)];
this.cardsData.cards = cardsToShow.slice();
this.ctrl.ticksWhenPaginating = labelsToShowClean;
cardsToShow = undefined;
} else {
const pageSize = this.ctrl.bucketMatrix.targets.length
this.ctrl.getPaginationSize(pageSize);
this.ctrl.ticksWhenPaginating = undefined;
}
}
// Draw default axes and return if no data
@@ -861,9 +775,6 @@ export class StatusmapRenderer {
this.scope.chartHeight = this.chartHeight;
this.scope.chartWidth = this.chartWidth;
this.scope.chartTop = this.chartTop;
// TODO pagination. Why this needed?
//this.ctrl.cardsData.cards = this.ctrl.cardsDataComplete.slice();
}
_renderAnnotations() {