使用谷歌图表指令在角度js中钻取图表 [英] Drilldown charts in angular js using google charts directives
问题描述
view:index.html
<预>
< br />
< google-chart #drillchart [data] ='pieChartData'type =BarChart(chartSelect)='select($ event)'>
< / google-chart>
< / pre>
Component.ts:
pieChartData = {
chartType:'BarChart',
dataTable:[
['Country','Poulation' ],
['Ind',25],
['Rus',10],
['Chi',30],
['USA',15],
['UK',12],
['Aus',8]
],
选项:{'title':'人口'}
};
newDataIndia = [
['State','Poulation'],
['AndhraPradesh',30],
['UttarPradesh', 40],
['MadyaPradesh',10],
['Karnataka',10],
['Tamilnadu',10]
];
newDataUS = [
''State','Poulation'],
['Texas',30],
['Florida', 40],
['Pennsylvania',10],
['Lousiana',15],
['Colorado',10]
];
public changeData(data):void {
$ b $ / * let dataTable = this.drillchart.wrapper.getDataTable(); (i = 0; i <6; i ++){
dataTable.setValue(i,1,Math.round(Math.random()* 1000))的
;
dataTable.setValue(i,2,Math.round(Math.random()* 1000));
} * /
let dataTable = this.drillchart.wrapper.getDataTable()
console.log(dataTable);
dataTable.Sf [0] .label = data [0] [0];
dataTable.Sf [0] .type =string;
dataTable.Sf [1] .label = data [0] [1];
dataTable.Sf [1] .type =number; (let i = 0; i< data.length-1; i ++){
dataTable.Tf [i] .c [0] .v = data [i + 1]
] [0];
dataTable.Tf [i] .c [1] .v = data [i + 1] [1]; (dataTable.Tf.length< data.length-1)
{
for(var icount = data.length-1; icount!
)
if = data.length-1; icount--){
dataTable = dataTable.Tf.pop();
}
}
this.drillchart.redraw();
}
预先致谢
与高图一样,谷歌图表中没有任何简单的方法可以进行深入分析。但有一些技巧是可能的
< input type =buttonstyle =width:auto!important; value =backid =btnBack/>
< div id =SkillBar>< / div>
取一个后退按钮和一个容器绘制图表。现在加载您的可视化库条形图并创建条形图
google.charts.load('current',{packages:[ 'corechart','bar']});
google.charts.setOnLoadCallback(drawAnnotations);
函数drawAnnotations(){
google.charts.setOnLoadCallback(drawSkillBar);
函数drawSkillBar(){
var data = new google.visualization.DataTable();
data.addColumn('string','Category');
data.addColumn('number','Demand');
data.addColumn({type:'number',role:'annotation'});
data.addColumn('number','Supply Overall');
data.addColumn({type:'number',role:'annotation'});
data.addColumn('number','Bench and Buffer');
data.addColumn({type:'number',role:'annotation'});
data.addRows([
['Core',25,25,22,22,12,12],
['Invest',15,15,21, 21,11,11],
['其他',10,10,12,12,9,9]
]);
var options = {
title:'',
// hAxis:{
//标题:'每日时间',
// },
// vAxis:{
// title:'Rating(scale of 1-10)'
//},
is3D:true,
'高度':300,
'宽度':600,
颜色:['#3366CC','#378eb8','#984ea3'],
图例:'true',
// focusTarget:'category',
animation:{
startup:true,
duration:500,
easing:'out'
}
};
var chart = new google.visualization.ColumnChart(document.getElementById('SkillBar'));
创建您的选择处理程序像这样
function selectHandler(){
var selectedItem = chart.getSelection()[0];
if(selectedItem&& selectedItem.row!= null){
var value = data.getValue(selectedItem.row,selectedItem.column);
var column = data.getColumnLabel(selectedItem.column)
if(column.toLowerCase()=='demand'){
$('#btnBack')。removeClass ('隐');
drawDemandBar(data.getValue(selectedItem.row,0),'#3366CC');
if(column.toLowerCase()=='supply overall'){
$('#btnBack')。removeClass('hidden');
drawSupplyBar(data.getValue(selectedItem.row,0),'#378eb8');
if(column.toLowerCase()=='bench and buffer'){
$('#btnBack')。removeClass('hidden');
drawOthersBar(data.getValue(selectedItem.row,0),'#984ea3');
}
}
}
现在绘制您的图表附加了选择处理程序事件
google.visualization.events.addListener(图表,'select',selectHandler);
chart.draw(data,options);
多数民众赞成它现在你所要做的是为3个小节声明三个不同的函数
1。 drawSupplyBar()2. drawDemandBar()3. drawOthersBar()
你可以找到完整的代码和工作小提琴此处
We are new to angularjs v4. We have a requirement of drilldown charts in google charts. We are using ng2-google-charts directives. We are able to find the select event and updated the data. but chart is not reloading. Could any one please help on this.
view: index.html
<pre>
<br/>
<google-chart #drillchart [data]='pieChartData' type="BarChart" (chartSelect)='select($event)'>
</google-chart>
</pre>
Component.ts:
pieChartData = {
chartType: 'BarChart',
dataTable: [
['Country', 'Poulation'],
['Ind', 25],
['Rus', 10],
['Chi', 30],
['USA', 15],
['UK', 12],
['Aus', 8]
],
options: {'title': 'Population'}
};
newDataIndia = [
['State', 'Poulation'],
['AndhraPradesh', 30],
['UttarPradesh', 40],
['MadyaPradesh', 10],
['Karnataka', 10],
['Tamilnadu', 10]
];
newDataUS = [
['State', 'Poulation'],
['Texas', 30],
['Florida', 40],
['Pennsylvania', 10],
['Lousiana', 15],
['Colorado', 10]
];
public changeData(data):void {
/*let dataTable = this.drillchart.wrapper.getDataTable();
for (let i = 0; i < 6; i++) {
dataTable.setValue(i, 1, Math.round(Math.random() * 1000));
dataTable.setValue(i, 2, Math.round(Math.random() * 1000));
}*/
let dataTable = this.drillchart.wrapper.getDataTable()
console.log(dataTable);
dataTable.Sf[0].label = data[0][0];
dataTable.Sf[0].type = "string";
dataTable.Sf[1].label = data[0][1];
dataTable.Sf[1].type = "number";
for (let i = 0; i < data.length-1; i++) {
dataTable.Tf[i].c[0].v = data[i+1][0];
dataTable.Tf[i].c[1].v = data[i+1][1];
}
if(dataTable.Tf.length < data.length-1)
{
for(var icount = data.length-1; icount != data.length-1; icount--) {
dataTable = dataTable.Tf.pop();
}
}
this.drillchart.redraw();
}
Thanks in advance.
Like highcharts there isn't any simple way in google charts to make drilldown. But with some tricks it is possible
<input type="button" style="width: auto !important;" value="back" id="btnBack" />
<div id="SkillBar"></div>
Take a back button and a container to draw chart. Now load your visualization library bar charts and create your bar chart
google.charts.load('current', { packages: ['corechart', 'bar'] });
google.charts.setOnLoadCallback(drawAnnotations);
function drawAnnotations() {
google.charts.setOnLoadCallback(drawSkillBar);
function drawSkillBar() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'Category');
data.addColumn('number', 'Demand');
data.addColumn({ type: 'number', role: 'annotation' });
data.addColumn('number', 'Supply Overall');
data.addColumn({ type: 'number', role: 'annotation' });
data.addColumn('number', 'Bench and Buffer');
data.addColumn({ type: 'number', role: 'annotation' });
data.addRows([
['Core', 25, 25, 22, 22, 12, 12],
['Invest', 15, 15, 21, 21, 11, 11],
['Others', 10, 10, 12, 12, 9, 9]
]);
var options = {
title: '',
//hAxis: {
// title: 'Time of Day',
//},
//vAxis: {
// title: 'Rating (scale of 1-10)'
//},
is3D: true,
'height': 300,
'width': 600,
colors: ['#3366CC', '#378eb8', '#984ea3'],
legend: 'true',
//focusTarget: 'category',
animation: {
startup: true,
duration: 500,
easing: 'out'
}
};
var chart = new google.visualization.ColumnChart(document.getElementById('SkillBar'));
Create your select handler like this
function selectHandler() {
var selectedItem = chart.getSelection()[0];
if (selectedItem && selectedItem.row != null) {
var value = data.getValue(selectedItem.row, selectedItem.column);
var column = data.getColumnLabel(selectedItem.column)
if (column.toLowerCase() == 'demand') {
$('#btnBack').removeClass('hidden');
drawDemandBar(data.getValue(selectedItem.row, 0), '#3366CC');
}
if (column.toLowerCase() == 'supply overall') {
$('#btnBack').removeClass('hidden');
drawSupplyBar(data.getValue(selectedItem.row, 0), '#378eb8');
}
if (column.toLowerCase() == 'bench and buffer') {
$('#btnBack').removeClass('hidden');
drawOthersBar(data.getValue(selectedItem.row, 0), '#984ea3');
}
}
}
Now draw your chart with select handler event attached
google.visualization.events.addListener(chart, 'select', selectHandler);
chart.draw(data, options);
Thats it.. Now all you have to do is declare three different functions for 3 bars
1. drawSupplyBar() 2. drawDemandBar() 3. drawOthersBar()
you can find full code and working fiddle Here
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