javascript - Google Visualization Org Chart - dynamically reduce space between nodes -

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i'm creating org chart using google's code

    google.setonloadcallback(drawchart);       function drawchart() {         var data = new google.visualization.datatable();         data.addcolumn('string', 'name');         data.addcolumn('string', 'manager');         data.addcolumn('string', 'tooltip');          data.addrows([           [{v:'mike', f:'mike<div style="color:red; font-style:italic">president</div>'}, '', 'the president'],           [{v:'jim', f:'jim<div style="color:red; font-style:italic">vice president</div>'}, 'mike', 'vp'],           ['alice', 'mike', ''],           ['alice2', 'mike', ''],           ['alice3', 'mike', ''], //          ['alice4', 'alice3', ''], //          ['alice5', 'alice3', ''], //          ['alice6', 'alice3', ''], //          ['alice7', 'alice3', ''], //          ['alice8', 'alice3', ''], //          ['alice9', 'alice3', ''],           ['bob', 'jim', 'bob sponge'],           ['carol', 'bob', '']         ]);          var chart = new google.visualization.orgchart(document.getelementbyid('chart_div'));           chart.draw(data, {allowhtml:true, allowcollapse:true});       }

i want space between nodes adjusted dynamically when collapsed, , not set pre-computed distance based on number of child nodes. illustrate, created 2 hierarchies in jsfiddle

in other words, when node collapsed, want displayed if had no children. when expand node, should slide right , take more space, similar mike bostock's collapsible reingold tree


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