在鼠标悬停在标题上突出显示谷歌图表栏

发布于 2024-11-09 19:09:17 字数 2343 浏览 0 评论 0原文

我目前正在使用 google bar 在 Django 中处理一个项目图表来显示各种数据。我对此很缺乏经验 Javascript 但已经让条形图按预期工作，谢谢到所提供的示例。

我的目标是有一个 JavaScript 可以在以下情况下突出显示其中一个栏：鼠标位于文本正文中的某个单词上，即鼠标悬停时标题“偿付能力”，应突出显示最新的偿付能力条（或者最好是所有偿付能力条！）。

我的条形图代码如下：

           google.load("visualization", "1", {packages:["corechart"]});
           google.setOnLoadCallback(drawChart);
                   function drawChart() {
                   var data = new google.visualization.DataTable();
                   data.addColumn('string', 'Year');
                   data.addColumn('number', 'Solvency');
                   data.addColumn('number', 'Margin');
                   data.addRows({{ to_annual_report_list|length }});

                   {% for annual_report in to_annual_report_list reversed %}
                           data.setValue({{forloop.counter0}}, 0,'{{ annual_report.year }}');
                   {% endfor %}

                   {% for solvency in solvency_list reversed %}
                           data.setValue({{forloop.counter0}}, 1, {{ solvency|floatformat:"2" }});
                   {% endfor %}

                   {% for margin in margin_list reversed %}
                           data.setValue({{forloop.counter0}}, 2, {{ margin|floatformat:"2"}});

                   {% var chart = new google.visualization.ColumnChart(document.getElementById('bar_chart_div'));
                   chart.draw(data, {
                           width: 400,
                           height: 240,
                           title: '{{to_company.name}} - Solvency & Margin',
                           titleTextStyle: {color: '#000', fontName: 'Lucida Sans',fontSize:12},
                           titlePosition: 'out',
                           hAxis: {titleTextStyle: {color: '#000'}, textPosition: in'},
                           vAxis: {title: '%', titleTextStyle: {color: '#000'}, textPosition:'out'},
                           axisTitlesPosition: 'out',
                           legend: 'bottom',
                           legendTextStyle:{ fontSize: 12 },
                           colors: ['#58db25', '#2e7114', '#4ec221'],
                           chartArea: {left: 30, top: 40, width:"100%",height:"70%"},
                   });
           }

这是我在开发论坛中的第一篇文章，所以如果我的帖子结构很差。

我非常感谢对此的一些意见！提前致谢，约翰

原文

I am currently working with a project in Django using google bar
charts to display various data. I am quite inexperienced with
Javascript but have gotten the bar charts to work as intended, thanks
to the provided example.

My goal is to have a javascript that highlights one of the bars when
the mouse is over a word in the text body, i.e. when the mouse is over
the header 'Solvency', the latest solvency bar should be highlighted
(or preferably all the solvency bars!).

My bar chart code reads:

           google.load("visualization", "1", {packages:["corechart"]});
           google.setOnLoadCallback(drawChart);
                   function drawChart() {
                   var data = new google.visualization.DataTable();
                   data.addColumn('string', 'Year');
                   data.addColumn('number', 'Solvency');
                   data.addColumn('number', 'Margin');
                   data.addRows({{ to_annual_report_list|length }});

                   {% for annual_report in to_annual_report_list reversed %}
                           data.setValue({{forloop.counter0}}, 0,'{{ annual_report.year }}');
                   {% endfor %}

                   {% for solvency in solvency_list reversed %}
                           data.setValue({{forloop.counter0}}, 1, {{ solvency|floatformat:"2" }});
                   {% endfor %}

                   {% for margin in margin_list reversed %}
                           data.setValue({{forloop.counter0}}, 2, {{ margin|floatformat:"2"}});

                   {% var chart = new google.visualization.ColumnChart(document.getElementById('bar_chart_div'));
                   chart.draw(data, {
                           width: 400,
                           height: 240,
                           title: '{{to_company.name}} - Solvency & Margin',
                           titleTextStyle: {color: '#000', fontName: 'Lucida Sans',fontSize:12},
                           titlePosition: 'out',
                           hAxis: {titleTextStyle: {color: '#000'}, textPosition: in'},
                           vAxis: {title: '%', titleTextStyle: {color: '#000'}, textPosition:'out'},
                           axisTitlesPosition: 'out',
                           legend: 'bottom',
                           legendTextStyle:{ fontSize: 12 },
                           colors: ['#58db25', '#2e7114', '#4ec221'],
                           chartArea: {left: 30, top: 40, width:"100%",height:"70%"},
                   });
           }

This is my first post in a development forum, so I apologize if my
post is poorly constructed.

I would very much appreciate some input regarding this!
Thanks in advance,
Johan

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李白 2024-11-16 19:09:17

下面的示例将向您展示如何在悬停某些文本时突出显示图表中的条形。
您可以使用 setSelection() 方法来执行此操作。据文档所述，一次仅支持突出显示一个元素，因此不幸的是，我认为您无法突出显示您想要的所有列。

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <script type="text/javascript" src="http://www.google.com/jsapi"></script>
    <script type="text/javascript">
      google.load('visualization', '1.1', {packages: ['barchart']});
    </script>
    <script type="text/javascript">
      function drawVisualization() {
        // Create and populate the data table.
        var data = new google.visualization.DataTable();
        data.addColumn('string', 'Year');
        data.addColumn('number', 'Sales');
        data.addColumn('number', 'Expenses');
        data.addRows(4);
        data.setValue(0, 0, '2004');
        data.setValue(0, 1, 1000);
        data.setValue(0, 2, 400);
        data.setValue(1, 0, '2005');
        data.setValue(1, 1, 1170);
        data.setValue(1, 2, 460);
        data.setValue(2, 0, '2006');
        data.setValue(2, 1, 660);
        data.setValue(2, 2, 1120);
        data.setValue(3, 0, '2007');
        data.setValue(3, 1, 1030);
        data.setValue(3, 2, 540);

        chart = new google.visualization.BarChart(document.getElementById('visualization'));
        chart.draw(data, {width: 400, height: 240, title: 'Company Performance',
                          vAxis: {title: 'Year', titleTextStyle: {color: 'red'}}
                         });
      }
      google.setOnLoadCallback(drawVisualization);
    </script>
  </head>
  <body style="font-family: Arial;border: 0 none;">
    <p> Here is some text to <a href="#" onmouseover="chart.setSelection([{row:2,column:2}]); return false">hover over</a></p>
    <div id="visualization" style="width: 600px; height: 400px;"></div>
  </body>
</html>

The sample below should show you how to highlight a bar in your chart on hover of some text.
You do so using the setSelection() method. As far as the docs say, only highlighting of one element at a time is supported, so unfortunately I don't think you'll be able to highlight all of the columns you want.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <script type="text/javascript" src="http://www.google.com/jsapi"></script>
    <script type="text/javascript">
      google.load('visualization', '1.1', {packages: ['barchart']});
    </script>
    <script type="text/javascript">
      function drawVisualization() {
        // Create and populate the data table.
        var data = new google.visualization.DataTable();
        data.addColumn('string', 'Year');
        data.addColumn('number', 'Sales');
        data.addColumn('number', 'Expenses');
        data.addRows(4);
        data.setValue(0, 0, '2004');
        data.setValue(0, 1, 1000);
        data.setValue(0, 2, 400);
        data.setValue(1, 0, '2005');
        data.setValue(1, 1, 1170);
        data.setValue(1, 2, 460);
        data.setValue(2, 0, '2006');
        data.setValue(2, 1, 660);
        data.setValue(2, 2, 1120);
        data.setValue(3, 0, '2007');
        data.setValue(3, 1, 1030);
        data.setValue(3, 2, 540);

        chart = new google.visualization.BarChart(document.getElementById('visualization'));
        chart.draw(data, {width: 400, height: 240, title: 'Company Performance',
                          vAxis: {title: 'Year', titleTextStyle: {color: 'red'}}
                         });
      }
      google.setOnLoadCallback(drawVisualization);
    </script>
  </head>
  <body style="font-family: Arial;border: 0 none;">
    <p> Here is some text to <a href="#" onmouseover="chart.setSelection([{row:2,column:2}]); return false">hover over</a></p>
    <div id="visualization" style="width: 600px; height: 400px;"></div>
  </body>
</html>

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