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Side by Side Diff: packages/charted/lib/charts/cartesian_renderers/bubble_chart_renderer.dart

Issue 2213693002: Updated charted DEP to 0.4.X (Closed) Base URL: https://github.com/dart-lang/observatory_pub_packages.git@master
Patch Set: Created 4 years, 4 months ago
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1 // 1 //
2 // Copyright 2014 Google Inc. All rights reserved. 2 // Copyright 2014 Google Inc. All rights reserved.
3 // 3 //
4 // Use of this source code is governed by a BSD-style 4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file or at 5 // license that can be found in the LICENSE file or at
6 // https://developers.google.com/open-source/licenses/bsd 6 // https://developers.google.com/open-source/licenses/bsd
7 // 7 //
8 8
9 part of charted.charts; 9 part of charted.charts;
10 10
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64 yDimensionVals = []; 64 yDimensionVals = [];
65 for (var row in area.data.rows) { 65 for (var row in area.data.rows) {
66 xDimensionVals.add(row.elementAt(xDimensionIndex)); 66 xDimensionVals.add(row.elementAt(xDimensionIndex));
67 yDimensionVals.add(row.elementAt(yDimensionIndex)); 67 yDimensionVals.add(row.elementAt(yDimensionIndex));
68 } 68 }
69 69
70 var group = _group.selectAll('.measure-group').data(columns); 70 var group = _group.selectAll('.measure-group').data(columns);
71 group.enter.append('g')..classed('measure-group'); 71 group.enter.append('g')..classed('measure-group');
72 group.each((d, i, e) { 72 group.each((d, i, e) {
73 e.style.setProperty('fill', color(i)); 73 e.style.setProperty('fill', color(i));
74 e.attributes['data-column'] = series.measures.elementAt(i); 74 e.attributes['data-column'] = series.measures.elementAt(i).toString();
75 }); 75 });
76 group.exit.remove(); 76 group.exit.remove();
77 77
78 var measures = 78 var measures =
79 group.selectAll('.bubble').dataWithCallback((d, i, e) => columns[i]); 79 group.selectAll('.bubble').dataWithCallback((d, i, e) => columns[i]);
80 80
81 measures.enter.append('circle')..classed('bubble'); 81 measures.enter.append('circle')..classed('bubble');
82 measures.each((d, i, e) { 82 measures.each((d, i, e) {
83 e.attributes 83 e.attributes
84 ..['transform'] = 'translate(' 84 ..['transform'] = 'translate('
85 '${xDimensionScale.scale(xDimensionVals[i])},' 85 '${xDimensionScale.scale(xDimensionVals[i])},'
86 '${yDimensionScale.scale(yDimensionVals[i])})' 86 '${yDimensionScale.scale(yDimensionVals[i])})'
87 ..['r'] = '${bubbleRadiusScale.scale(d) * bubbleRadiusFactor}' 87 ..['r'] = '${bubbleRadiusScale.scale(d) * bubbleRadiusFactor}'
88 ..['data-row'] = i; 88 ..['data-row'] = i.toString();
89 }); 89 });
90 measures.exit.remove(); 90 measures.exit.remove();
91 handleStateChanges([]); 91 handleStateChanges([]);
92 } 92 }
93 93
94 @override 94 @override
95 void dispose() { 95 void dispose() {
96 if (_group == null) return; 96 if (_group == null) return;
97 _group.selectAll('.row-group').remove(); 97 _group.selectAll('.row-group').remove();
98 } 98 }
99 99
100 @override 100 @override
101 double get bandInnerPadding => 1.0; 101 double get bandInnerPadding => 1.0;
102 102
103 @override 103 @override
104 double get bandOuterPadding => 104 double get bandOuterPadding =>
105 area.theme.getDimensionAxisTheme().axisOuterPadding; 105 area.theme.getDimensionAxisTheme().axisOuterPadding;
106 106
107 @override 107 @override
108 Extent get extent { 108 Extent get extent {
109 assert(series != null && area != null); 109 assert(series != null && area != null);
110 var rows = area.data.rows, max = rows[0][series.measures.first], min = max; 110 var rows = area.data.rows,
111 max = rows.first[series.measures.first],
112 min = max;
111 113
112 rows.forEach((row) { 114 rows.forEach((row) {
113 series.measures.forEach((idx) { 115 series.measures.forEach((idx) {
114 if (row[idx] > max) max = row[idx]; 116 if (row[idx] > max) max = row[idx];
115 if (row[idx] < min) min = row[idx]; 117 if (row[idx] < min) min = row[idx];
116 }); 118 });
117 }); 119 });
118 return new Extent(min, max); 120 return new Extent(min, max);
119 } 121 }
120 122
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141 } 143 }
142 144
143 void _event(StreamController controller, data, int index, Element e) { 145 void _event(StreamController controller, data, int index, Element e) {
144 if (controller == null) return; 146 if (controller == null) return;
145 var rowStr = e.parent.dataset['row']; 147 var rowStr = e.parent.dataset['row'];
146 var row = rowStr != null ? int.parse(rowStr) : null; 148 var row = rowStr != null ? int.parse(rowStr) : null;
147 controller.add(new DefaultChartEventImpl( 149 controller.add(new DefaultChartEventImpl(
148 _scope.event, area, series, row, index, data)); 150 _scope.event, area, series, row, index, data));
149 } 151 }
150 } 152 }
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