charted/lib/charts/chart_state.dart - Issue 1400473008: Roll Observatory packages and add a roll script

Side by Side Diff: charted/lib/charts/chart_state.dart

Issue 1400473008: Roll Observatory packages and add a roll script (Closed) Base URL: git@github.com:dart-lang/observatory_pub_packages.git@master

Patch Set: Created 5 years, 2 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch

OLD	NEW
	(Empty)
1 //

2 // Copyright 2014 Google Inc. All rights reserved.

3 //

4 // Use of this source code is governed by a BSD-style

5 // license that can be found in the LICENSE file or at

6 // https://developers.google.com/open-source/licenses/bsd

7 //

8

9 part of charted.charts;

10

11 ///

12 /// Model to provide highlight, selection and visibility in a ChartArea.

13 /// Selection and visibility

14 ///

15 abstract class ChartState implements ChangeNotifier {

16 static int COL_SELECTED = 0x001;

17 static int COL_UNSELECTED = 0x002;

18 static int COL_PREVIEW = 0x004;

19 static int COL_HIDDEN = 0x008;

20 static int COL_HIGHLIGHTED = 0x010;

21 static int COL_UNHIGHLIGHTED = 0x020;

22 static int COL_HOVERED = 0x040;

23 static int VAL_HIGHLIGHTED = 0x080;

24 static int VAL_UNHIGHLIGHTED = 0x100;

25 static int VAL_HOVERED = 0x200;

26

27 static const COL_SELECTED_CLASS = 'col-selected';

28 static const COL_UNSELECTED_CLASS = 'col-unselected';

29 static const COL_PREVIEW_CLASS = 'col-previewed';

30 static const COL_HIDDEN_CLASS = 'col-hidden';

31 static const COL_HIGHLIGHTED_CLASS = 'col-highlighted';

32 static const COL_UNHIGHLIGHTED_CLASS = 'col-unhighlighted';

33 static const COL_HOVERED_CLASS = 'col-hovered';

34 static const VAL_HIGHLIGHTED_CLASS = 'row-highlighted';

35 static const VAL_UNHIGHLIGHTED_CLASS = 'row-unhighlighted';

36 static const VAL_HOVERED_CLASS = 'row-hovered';

37

38 static const COLUMN_CLASS_NAMES = const[

39 COL_SELECTED_CLASS, COL_UNSELECTED_CLASS, COL_PREVIEW_CLASS,

40 COL_HIGHLIGHTED_CLASS, COL_UNHIGHLIGHTED_CLASS, COL_HIDDEN_CLASS,

41 COL_HOVERED_CLASS];

42

43 static const VALUE_CLASS_NAMES = const[

44 COL_SELECTED_CLASS, COL_UNSELECTED_CLASS, COL_PREVIEW_CLASS,

45 COL_HIGHLIGHTED_CLASS, COL_UNHIGHLIGHTED_CLASS, COL_HIDDEN_CLASS,

46 COL_HOVERED_CLASS, VAL_HIGHLIGHTED_CLASS, VAL_UNHIGHLIGHTED_CLASS,

47 VAL_HOVERED_CLASS];

48

49 /// List of selected items.

50 /// - Contains a column on CartesianArea if useRowColoring is false.

51 /// - Row index in all other cases.

52 Iterable<int> get selection;

53

54 /// List of visible items.

55 /// - Contains a column on CartesianArea if useRowColoring is false.

56 /// - Row index in all other cases.

57 Iterable<int> get hidden;

58

59 /// Currently previewed row or column. Hidden items can be previewed

60 /// by hovering on the corresponding label in Legend

61 /// - Contains a column on CartesianArea if useRowColoring is false.

62 /// - Row index in all other cases.

63 int preview;

64

65 /// Currently highlighted value, if any, represented as column and row.

66 /// Highlight is result of a click on certain value.

67 Iterable<Pair<int,int>> highlights;

68

69 /// Currently hovered value, if any, represented as column and row.

70 /// Hover is result of mouse moving over a certian value in chart.

71 Pair<int,int> hovered;

72

73 /// Ensure that a row or column is visible.

74 bool unhide(int id);

75

76 /// Ensure that a row or column is invisible.

77 bool hide(int id);

78

79 /// Returns current visibility of a row or column.

80 bool isVisible(int id);

81

82 /// Select a row or column.

83 bool select(int id);

84

85 /// Unselect a row or column.

86 bool unselect(int id);

87

88 /// Returns current selection state of a row or column.

89 bool isSelected(int id);

90

91 /// Select a row or column.

92 bool highlight(int column, int row);

93

94 /// Unselect a row or column.

95 bool unhighlight(int column, int row);

96

97 /// Returns current selection state of a row or column.

98 bool isHighlighted(int column, int row);

99

100 factory ChartState({bool isMultiSelect: false}) =>

101 new DefaultChartStateImpl(isMultiSelect: isMultiSelect);

102 }

103

104 ///

105 /// Implementation of [ChangeRecord], that is used to notify changes to

106 /// values in [ChartData].

107 ///

108 class ChartSelectionChangeRecord implements ChangeRecord {

109 final int add;

110 final int remove;

111 const ChartSelectionChangeRecord({this.add, this.remove});

112 }

113

114 ///

115 /// Implementation of [ChangeRecord], that is used to notify changes to

116 /// values in [ChartData].

117 ///

118 class ChartVisibilityChangeRecord implements ChangeRecord {

119 final int unhide;

120 final int hide;

121 const ChartVisibilityChangeRecord({this.unhide, this.hide});

122 }

123

124 ///

125 /// Implementation of [ChangeRecord], that is used to notify changes to

126 /// values in [ChartData].

127 ///

128 class ChartHighlightChangeRecord implements ChangeRecord {

129 final Pair<int,int> remove;

130 final Pair<int,int> add;

131 const ChartHighlightChangeRecord({this.add, this.remove});

132 }

133

134 ///

135 /// Implementation of [ChangeRecord], that is used to notify changes to

136 /// values in [ChartData].

137 ///

138 class ChartHoverChangeRecord implements ChangeRecord {

139 final Pair<int,int> hovered;

140 const ChartHoverChangeRecord(this.hovered);

141 }

142

143 ///

144 /// Implementation of [ChangeRecord], that is used to notify changes to

145 /// values in [ChartData].

146 ///

147 class ChartPreviewChangeRecord implements ChangeRecord {

148 final int previewed;

149 const ChartPreviewChangeRecord(this.previewed);

150 }

OLD	NEW

« no previous file with comments | « charted/lib/charts/chart_series.dart ('k') | charted/lib/charts/chart_theme.dart » ('j') | no next file with comments »