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305 lines
8.6 KiB
JavaScript
305 lines
8.6 KiB
JavaScript
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nv.models.indentedTree = function() {
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//============================================================
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// Public Variables with Default Settings
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//------------------------------------------------------------
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var margin = {top: 0, right: 0, bottom: 0, left: 0} //TODO: implement, maybe as margin on the containing div
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, width = 960
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, height = 500
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, color = nv.utils.defaultColor()
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, id = Math.floor(Math.random() * 10000)
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, header = true
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, noData = "No Data Available."
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, childIndent = 20
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, columns = [{key:'key', label: 'Name', type:'text'}] //TODO: consider functions like chart.addColumn, chart.removeColumn, instead of a block like this
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, tableClass = null
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, iconOpen = 'images/grey-plus.png' //TODO: consider removing this and replacing with a '+' or '-' unless user defines images
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, iconClose = 'images/grey-minus.png'
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, dispatch = d3.dispatch('elementClick', 'elementDblclick', 'elementMouseover', 'elementMouseout')
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;
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//============================================================
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function chart(selection) {
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selection.each(function(data) {
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var i = 0,
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depth = 1;
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var tree = d3.layout.tree()
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.children(function(d) { return d.values })
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.size([height, childIndent]); //Not sure if this is needed now that the result is HTML
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//------------------------------------------------------------
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// Display No Data message if there's nothing to show.
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if (!data[0].key) data[0].key = noData;
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//------------------------------------------------------------
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var nodes = tree.nodes(data[0]);
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//------------------------------------------------------------
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// Setup containers and skeleton of chart
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var wrap = d3.select(this).selectAll('div').data([[nodes]]);
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var wrapEnter = wrap.enter().append('div').attr('class', 'nvd3 nv-wrap nv-indentedtree');
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var tableEnter = wrapEnter.append('table');
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var table = wrap.select('table').attr('width', '100%').attr('class', tableClass);
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//------------------------------------------------------------
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if (header) {
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var thead = tableEnter.append('thead');
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var theadRow1 = thead.append('tr');
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columns.forEach(function(column) {
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theadRow1
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.append('th')
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.attr('width', column.width ? column.width : '10%')
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.style('text-align', column.type == 'numeric' ? 'right' : 'left')
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.append('span')
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.text(column.label);
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});
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}
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var tbody = table.selectAll('tbody')
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.data(function(d) {return d });
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tbody.enter().append('tbody');
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//compute max generations
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depth = d3.max(nodes, function(node) { return node.depth });
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tree.size([height, depth * childIndent]); //TODO: see if this is necessary at all
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// Update the nodes…
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var node = tbody.selectAll('tr')
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.data(function(d) { return d }, function(d) { return d.id || (d.id == ++i)});
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//.style('display', 'table-row'); //TODO: see if this does anything
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node.exit().remove();
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node.select('img.nv-treeicon')
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.attr('src', icon)
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.classed('folded', folded);
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var nodeEnter = node.enter().append('tr');
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columns.forEach(function(column, index) {
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var nodeName = nodeEnter.append('td')
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.style('padding-left', function(d) { return (index ? 0 : d.depth * childIndent + 12 + (icon(d) ? 0 : 16)) + 'px' }, 'important') //TODO: check why I did the ternary here
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.style('text-align', column.type == 'numeric' ? 'right' : 'left');
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if (index == 0) {
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nodeName.append('img')
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.classed('nv-treeicon', true)
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.classed('nv-folded', folded)
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.attr('src', icon)
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.style('width', '14px')
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.style('height', '14px')
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.style('padding', '0 1px')
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.style('display', function(d) { return icon(d) ? 'inline-block' : 'none'; })
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.on('click', click);
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}
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nodeName.append('span')
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.attr('class', d3.functor(column.classes) )
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.text(function(d) { return column.format ? column.format(d) :
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(d[column.key] || '-') });
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if (column.showCount)
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nodeName.append('span')
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.attr('class', 'nv-childrenCount')
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.text(function(d) {
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return ((d.values && d.values.length) || (d._values && d._values.length)) ?
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'(' + ((d.values && d.values.length) || (d._values && d._values.length)) + ')'
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: ''
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});
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if (column.click)
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nodeName.select('span').on('click', column.click);
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});
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node
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.order()
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.on('click', function(d) {
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dispatch.elementClick({
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row: this, //TODO: decide whether or not this should be consistent with scatter/line events or should be an html link (a href)
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data: d,
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pos: [d.x, d.y]
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});
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})
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.on('dblclick', function(d) {
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dispatch.elementDblclick({
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row: this,
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data: d,
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pos: [d.x, d.y]
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});
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})
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.on('mouseover', function(d) {
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dispatch.elementMouseover({
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row: this,
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data: d,
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pos: [d.x, d.y]
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});
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})
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.on('mouseout', function(d) {
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dispatch.elementMouseout({
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row: this,
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data: d,
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pos: [d.x, d.y]
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});
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});
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// Toggle children on click.
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function click(d, _, unshift) {
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d3.event.stopPropagation();
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if(d3.event.shiftKey && !unshift) {
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//If you shift-click, it'll toggle fold all the children, instead of itself
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d3.event.shiftKey = false;
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d.values && d.values.forEach(function(node){
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if (node.values || node._values) {
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click(node, 0, true);
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}
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});
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return true;
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}
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if(!hasChildren(d)) {
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//download file
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//window.location.href = d.url;
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return true;
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}
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if (d.values) {
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d._values = d.values;
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d.values = null;
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} else {
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d.values = d._values;
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d._values = null;
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}
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chart.update();
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}
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function icon(d) {
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return (d._values && d._values.length) ? iconOpen : (d.values && d.values.length) ? iconClose : '';
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}
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function folded(d) {
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return (d._values && d._values.length);
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}
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function hasChildren(d) {
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var values = d.values || d._values;
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return (values && values.length);
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}
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chart.update = function() { selection.transition().call(chart) };
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chart.container = this;
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});
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return chart;
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}
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//============================================================
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// Expose Public Variables
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//------------------------------------------------------------
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chart.margin = function(_) {
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if (!arguments.length) return margin;
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margin = _;
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return chart;
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};
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chart.width = function(_) {
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if (!arguments.length) return width;
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width = _;
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return chart;
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};
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chart.height = function(_) {
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if (!arguments.length) return height;
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height = _;
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return chart;
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};
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chart.color = function(_) {
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if (!arguments.length) return color;
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color = nv.utils.getColor(_);
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scatter.color(color);
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return chart;
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};
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chart.id = function(_) {
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if (!arguments.length) return id;
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id = _;
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return chart;
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};
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chart.header = function(_) {
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if (!arguments.length) return header;
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header = _;
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return chart;
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};
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chart.noData = function(_) {
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if (!arguments.length) return noData;
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noData = _;
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return chart;
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};
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chart.columns = function(_) {
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if (!arguments.length) return columns;
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columns = _;
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return chart;
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};
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chart.tableClass = function(_) {
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if (!arguments.length) return tableClass;
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tableClass = _;
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return chart;
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};
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chart.iconOpen = function(_){
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if (!arguments.length) return iconOpen;
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iconOpen = _;
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return chart;
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}
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chart.iconClose = function(_){
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if (!arguments.length) return iconClose;
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iconClose = _;
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return chart;
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}
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//============================================================
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return chart;
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}
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