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Test DataTable (#7591)
This patch adds a basic test for the DataTable widget.
This commit is contained in:
Adam Barth
GitHub
parent
94cac1a69c
commit
bf296f715e
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@ -5,8 +5,8 @@
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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class Desert {
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Desert(this.name, this.calories, this.fat, this.carbs, this.protein, this.sodium, this.calcium, this.iron);
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class Dessert {
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Dessert(this.name, this.calories, this.fat, this.carbs, this.protein, this.sodium, this.calcium, this.iron);
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final String name;
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final int calories;
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final double fat;
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@ -19,68 +19,68 @@ class Desert {
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bool selected = false;
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}
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class DesertDataSource extends DataTableSource {
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final List<Desert> _deserts = <Desert>[
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new Desert('Frozen yogurt', 159, 6.0, 24, 4.0, 87, 14, 1),
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new Desert('Ice cream sandwich', 237, 9.0, 37, 4.3, 129, 8, 1),
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new Desert('Eclair', 262, 16.0, 24, 6.0, 337, 6, 7),
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new Desert('Cupcake', 305, 3.7, 67, 4.3, 413, 3, 8),
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new Desert('Gingerbread', 356, 16.0, 49, 3.9, 327, 7, 16),
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new Desert('Jelly bean', 375, 0.0, 94, 0.0, 50, 0, 0),
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new Desert('Lollipop', 392, 0.2, 98, 0.0, 38, 0, 2),
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new Desert('Honeycomb', 408, 3.2, 87, 6.5, 562, 0, 45),
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new Desert('Donut', 452, 25.0, 51, 4.9, 326, 2, 22),
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new Desert('KitKat', 518, 26.0, 65, 7.0, 54, 12, 6),
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class DessertDataSource extends DataTableSource {
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final List<Dessert> _desserts = <Dessert>[
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new Dessert('Frozen yogurt', 159, 6.0, 24, 4.0, 87, 14, 1),
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new Dessert('Ice cream sandwich', 237, 9.0, 37, 4.3, 129, 8, 1),
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new Dessert('Eclair', 262, 16.0, 24, 6.0, 337, 6, 7),
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new Dessert('Cupcake', 305, 3.7, 67, 4.3, 413, 3, 8),
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new Dessert('Gingerbread', 356, 16.0, 49, 3.9, 327, 7, 16),
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new Dessert('Jelly bean', 375, 0.0, 94, 0.0, 50, 0, 0),
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new Dessert('Lollipop', 392, 0.2, 98, 0.0, 38, 0, 2),
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new Dessert('Honeycomb', 408, 3.2, 87, 6.5, 562, 0, 45),
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new Dessert('Donut', 452, 25.0, 51, 4.9, 326, 2, 22),
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new Dessert('KitKat', 518, 26.0, 65, 7.0, 54, 12, 6),
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new Desert('Frozen yogurt with sugar', 168, 6.0, 26, 4.0, 87, 14, 1),
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new Desert('Ice cream sandwich with sugar', 246, 9.0, 39, 4.3, 129, 8, 1),
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new Desert('Eclair with sugar', 271, 16.0, 26, 6.0, 337, 6, 7),
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new Desert('Cupcake with sugar', 314, 3.7, 69, 4.3, 413, 3, 8),
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new Desert('Gingerbread with sugar', 345, 16.0, 51, 3.9, 327, 7, 16),
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new Desert('Jelly bean with sugar', 364, 0.0, 96, 0.0, 50, 0, 0),
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new Desert('Lollipop with sugar', 401, 0.2, 100, 0.0, 38, 0, 2),
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new Desert('Honeycomb with sugar', 417, 3.2, 89, 6.5, 562, 0, 45),
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new Desert('Donut with sugar', 461, 25.0, 53, 4.9, 326, 2, 22),
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new Desert('KitKat with sugar', 527, 26.0, 67, 7.0, 54, 12, 6),
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new Dessert('Frozen yogurt with sugar', 168, 6.0, 26, 4.0, 87, 14, 1),
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new Dessert('Ice cream sandwich with sugar', 246, 9.0, 39, 4.3, 129, 8, 1),
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new Dessert('Eclair with sugar', 271, 16.0, 26, 6.0, 337, 6, 7),
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new Dessert('Cupcake with sugar', 314, 3.7, 69, 4.3, 413, 3, 8),
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new Dessert('Gingerbread with sugar', 345, 16.0, 51, 3.9, 327, 7, 16),
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new Dessert('Jelly bean with sugar', 364, 0.0, 96, 0.0, 50, 0, 0),
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new Dessert('Lollipop with sugar', 401, 0.2, 100, 0.0, 38, 0, 2),
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new Dessert('Honeycomb with sugar', 417, 3.2, 89, 6.5, 562, 0, 45),
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new Dessert('Donut with sugar', 461, 25.0, 53, 4.9, 326, 2, 22),
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new Dessert('KitKat with sugar', 527, 26.0, 67, 7.0, 54, 12, 6),
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new Desert('Frozen yogurt with honey', 223, 6.0, 36, 4.0, 87, 14, 1),
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new Desert('Ice cream sandwich with honey', 301, 9.0, 49, 4.3, 129, 8, 1),
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new Desert('Eclair with honey', 326, 16.0, 36, 6.0, 337, 6, 7),
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new Desert('Cupcake with honey', 369, 3.7, 79, 4.3, 413, 3, 8),
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new Desert('Gingerbread with honey', 420, 16.0, 61, 3.9, 327, 7, 16),
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new Desert('Jelly bean with honey', 439, 0.0, 106, 0.0, 50, 0, 0),
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new Desert('Lollipop with honey', 456, 0.2, 110, 0.0, 38, 0, 2),
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new Desert('Honeycomb with honey', 472, 3.2, 99, 6.5, 562, 0, 45),
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new Desert('Donut with honey', 516, 25.0, 63, 4.9, 326, 2, 22),
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new Desert('KitKat with honey', 582, 26.0, 77, 7.0, 54, 12, 6),
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new Dessert('Frozen yogurt with honey', 223, 6.0, 36, 4.0, 87, 14, 1),
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new Dessert('Ice cream sandwich with honey', 301, 9.0, 49, 4.3, 129, 8, 1),
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new Dessert('Eclair with honey', 326, 16.0, 36, 6.0, 337, 6, 7),
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new Dessert('Cupcake with honey', 369, 3.7, 79, 4.3, 413, 3, 8),
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new Dessert('Gingerbread with honey', 420, 16.0, 61, 3.9, 327, 7, 16),
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new Dessert('Jelly bean with honey', 439, 0.0, 106, 0.0, 50, 0, 0),
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new Dessert('Lollipop with honey', 456, 0.2, 110, 0.0, 38, 0, 2),
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new Dessert('Honeycomb with honey', 472, 3.2, 99, 6.5, 562, 0, 45),
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new Dessert('Donut with honey', 516, 25.0, 63, 4.9, 326, 2, 22),
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new Dessert('KitKat with honey', 582, 26.0, 77, 7.0, 54, 12, 6),
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new Desert('Frozen yogurt with milk', 262, 8.4, 36, 12.0, 194, 44, 1),
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new Desert('Ice cream sandwich with milk', 339, 11.4, 49, 12.3, 236, 38, 1),
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new Desert('Eclair with milk', 365, 18.4, 36, 14.0, 444, 36, 7),
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new Desert('Cupcake with milk', 408, 6.1, 79, 12.3, 520, 33, 8),
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new Desert('Gingerbread with milk', 459, 18.4, 61, 11.9, 434, 37, 16),
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new Desert('Jelly bean with milk', 478, 2.4, 106, 8.0, 157, 30, 0),
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new Desert('Lollipop with milk', 495, 2.6, 110, 8.0, 145, 30, 2),
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new Desert('Honeycomb with milk', 511, 5.6, 99, 14.5, 669, 30, 45),
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new Desert('Donut with milk', 555, 27.4, 63, 12.9, 433, 32, 22),
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new Desert('KitKat with milk', 621, 28.4, 77, 15.0, 161, 42, 6),
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new Dessert('Frozen yogurt with milk', 262, 8.4, 36, 12.0, 194, 44, 1),
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new Dessert('Ice cream sandwich with milk', 339, 11.4, 49, 12.3, 236, 38, 1),
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new Dessert('Eclair with milk', 365, 18.4, 36, 14.0, 444, 36, 7),
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new Dessert('Cupcake with milk', 408, 6.1, 79, 12.3, 520, 33, 8),
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new Dessert('Gingerbread with milk', 459, 18.4, 61, 11.9, 434, 37, 16),
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new Dessert('Jelly bean with milk', 478, 2.4, 106, 8.0, 157, 30, 0),
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new Dessert('Lollipop with milk', 495, 2.6, 110, 8.0, 145, 30, 2),
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new Dessert('Honeycomb with milk', 511, 5.6, 99, 14.5, 669, 30, 45),
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new Dessert('Donut with milk', 555, 27.4, 63, 12.9, 433, 32, 22),
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new Dessert('KitKat with milk', 621, 28.4, 77, 15.0, 161, 42, 6),
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new Desert('Coconut slice and frozen yogurt', 318, 21.0, 31, 5.5, 96, 14, 7),
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new Desert('Coconut slice and ice cream sandwich', 396, 24.0, 44, 5.8, 138, 8, 7),
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new Desert('Coconut slice and eclair', 421, 31.0, 31, 7.5, 346, 6, 13),
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new Desert('Coconut slice and cupcake', 464, 18.7, 74, 5.8, 422, 3, 14),
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new Desert('Coconut slice and gingerbread', 515, 31.0, 56, 5.4, 316, 7, 22),
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new Desert('Coconut slice and jelly bean', 534, 15.0, 101, 1.5, 59, 0, 6),
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new Desert('Coconut slice and lollipop', 551, 15.2, 105, 1.5, 47, 0, 8),
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new Desert('Coconut slice and honeycomb', 567, 18.2, 94, 8.0, 571, 0, 51),
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new Desert('Coconut slice and donut', 611, 40.0, 58, 6.4, 335, 2, 28),
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new Desert('Coconut slice and KitKat', 677, 41.0, 72, 8.5, 63, 12, 12),
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new Dessert('Coconut slice and frozen yogurt', 318, 21.0, 31, 5.5, 96, 14, 7),
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new Dessert('Coconut slice and ice cream sandwich', 396, 24.0, 44, 5.8, 138, 8, 7),
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new Dessert('Coconut slice and eclair', 421, 31.0, 31, 7.5, 346, 6, 13),
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new Dessert('Coconut slice and cupcake', 464, 18.7, 74, 5.8, 422, 3, 14),
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new Dessert('Coconut slice and gingerbread', 515, 31.0, 56, 5.4, 316, 7, 22),
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new Dessert('Coconut slice and jelly bean', 534, 15.0, 101, 1.5, 59, 0, 6),
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new Dessert('Coconut slice and lollipop', 551, 15.2, 105, 1.5, 47, 0, 8),
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new Dessert('Coconut slice and honeycomb', 567, 18.2, 94, 8.0, 571, 0, 51),
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new Dessert('Coconut slice and donut', 611, 40.0, 58, 6.4, 335, 2, 28),
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new Dessert('Coconut slice and KitKat', 677, 41.0, 72, 8.5, 63, 12, 12),
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];
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void _sort<T>(Comparable<T> getField(Desert d), bool ascending) {
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_deserts.sort((Desert a, Desert b) {
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void _sort<T>(Comparable<T> getField(Dessert d), bool ascending) {
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_desserts.sort((Dessert a, Dessert b) {
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if (!ascending) {
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final Desert c = a;
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final Dessert c = a;
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a = b;
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b = c;
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}
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@ -96,35 +96,35 @@ class DesertDataSource extends DataTableSource {
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@override
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DataRow getRow(int index) {
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assert(index >= 0);
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if (index >= _deserts.length)
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if (index >= _desserts.length)
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return null;
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final Desert desert = _deserts[index];
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final Dessert dessert = _desserts[index];
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return new DataRow.byIndex(
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index: index,
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selected: desert.selected,
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selected: dessert.selected,
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onSelectChanged: (bool value) {
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if (desert.selected != value) {
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if (dessert.selected != value) {
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_selectedCount += value ? 1 : -1;
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assert(_selectedCount >= 0);
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desert.selected = value;
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dessert.selected = value;
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notifyListeners();
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}
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},
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cells: <DataCell>[
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new DataCell(new Text('${desert.name}')),
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new DataCell(new Text('${desert.calories}')),
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new DataCell(new Text('${desert.fat.toStringAsFixed(1)}')),
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new DataCell(new Text('${desert.carbs}')),
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new DataCell(new Text('${desert.protein.toStringAsFixed(1)}')),
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new DataCell(new Text('${desert.sodium}')),
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new DataCell(new Text('${desert.calcium}%')),
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new DataCell(new Text('${desert.iron}%')),
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new DataCell(new Text('${dessert.name}')),
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new DataCell(new Text('${dessert.calories}')),
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new DataCell(new Text('${dessert.fat.toStringAsFixed(1)}')),
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new DataCell(new Text('${dessert.carbs}')),
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new DataCell(new Text('${dessert.protein.toStringAsFixed(1)}')),
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new DataCell(new Text('${dessert.sodium}')),
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new DataCell(new Text('${dessert.calcium}%')),
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new DataCell(new Text('${dessert.iron}%')),
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]
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);
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}
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@override
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int get rowCount => _deserts.length;
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int get rowCount => _desserts.length;
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@override
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bool get isRowCountApproximate => false;
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@ -133,9 +133,9 @@ class DesertDataSource extends DataTableSource {
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int get selectedRowCount => _selectedCount;
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void _selectAll(bool checked) {
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for (Desert desert in _deserts)
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desert.selected = checked;
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_selectedCount = checked ? _deserts.length : 0;
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for (Dessert dessert in _desserts)
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dessert.selected = checked;
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_selectedCount = checked ? _desserts.length : 0;
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notifyListeners();
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}
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}
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@ -151,10 +151,10 @@ class _DataTableDemoState extends State<DataTableDemo> {
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int _rowsPerPage = PaginatedDataTable.defaultRowsPerPage;
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int _sortColumnIndex;
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bool _sortAscending = true;
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DesertDataSource _desertsDataSource = new DesertDataSource();
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DessertDataSource _dessertsDataSource = new DessertDataSource();
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void _sort<T>(Comparable<T> getField(Desert d), int columnIndex, bool ascending) {
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_desertsDataSource._sort<T>(getField, ascending);
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void _sort<T>(Comparable<T> getField(Dessert d), int columnIndex, bool ascending) {
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_dessertsDataSource._sort<T>(getField, ascending);
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setState(() {
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_sortColumnIndex = columnIndex;
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_sortAscending = ascending;
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@ -174,51 +174,51 @@ class _DataTableDemoState extends State<DataTableDemo> {
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onRowsPerPageChanged: (int value) { setState(() { _rowsPerPage = value; }); },
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sortColumnIndex: _sortColumnIndex,
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sortAscending: _sortAscending,
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onSelectAll: _desertsDataSource._selectAll,
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onSelectAll: _dessertsDataSource._selectAll,
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columns: <DataColumn>[
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new DataColumn(
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label: new Text('Dessert (100g serving)'),
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onSort: (int columnIndex, bool ascending) => _sort<String>((Desert d) => d.name, columnIndex, ascending)
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onSort: (int columnIndex, bool ascending) => _sort<String>((Dessert d) => d.name, columnIndex, ascending)
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),
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new DataColumn(
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label: new Text('Calories'),
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tooltip: 'The total amount of food energy in the given serving size.',
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numeric: true,
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onSort: (int columnIndex, bool ascending) => _sort<num>((Desert d) => d.calories, columnIndex, ascending)
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onSort: (int columnIndex, bool ascending) => _sort<num>((Dessert d) => d.calories, columnIndex, ascending)
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),
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new DataColumn(
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label: new Text('Fat (g)'),
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numeric: true,
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onSort: (int columnIndex, bool ascending) => _sort<num>((Desert d) => d.fat, columnIndex, ascending)
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onSort: (int columnIndex, bool ascending) => _sort<num>((Dessert d) => d.fat, columnIndex, ascending)
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),
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new DataColumn(
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label: new Text('Carbs (g)'),
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numeric: true,
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onSort: (int columnIndex, bool ascending) => _sort<num>((Desert d) => d.carbs, columnIndex, ascending)
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onSort: (int columnIndex, bool ascending) => _sort<num>((Dessert d) => d.carbs, columnIndex, ascending)
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),
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new DataColumn(
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label: new Text('Protein (g)'),
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numeric: true,
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onSort: (int columnIndex, bool ascending) => _sort<num>((Desert d) => d.protein, columnIndex, ascending)
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onSort: (int columnIndex, bool ascending) => _sort<num>((Dessert d) => d.protein, columnIndex, ascending)
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),
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new DataColumn(
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label: new Text('Sodium (mg)'),
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numeric: true,
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onSort: (int columnIndex, bool ascending) => _sort<num>((Desert d) => d.sodium, columnIndex, ascending)
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onSort: (int columnIndex, bool ascending) => _sort<num>((Dessert d) => d.sodium, columnIndex, ascending)
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),
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new DataColumn(
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label: new Text('Calcium (%)'),
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tooltip: 'The amount of calcium as a percentage of the recommended daily amount.',
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numeric: true,
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onSort: (int columnIndex, bool ascending) => _sort<num>((Desert d) => d.calcium, columnIndex, ascending)
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onSort: (int columnIndex, bool ascending) => _sort<num>((Dessert d) => d.calcium, columnIndex, ascending)
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),
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new DataColumn(
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label: new Text('Iron (%)'),
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numeric: true,
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onSort: (int columnIndex, bool ascending) => _sort<num>((Desert d) => d.iron, columnIndex, ascending)
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onSort: (int columnIndex, bool ascending) => _sort<num>((Dessert d) => d.iron, columnIndex, ascending)
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),
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],
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source: _desertsDataSource
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source: _dessertsDataSource
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)
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]
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)
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@ -219,10 +219,11 @@ class DataCell {
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///
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/// See also:
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///
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/// * [DataColumn]
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/// * [DataRow]
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/// * [DataCell]
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/// * [PaginatedDataTable]
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/// * [DataColumn], which describes a column in the data table.
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/// * [DataRow], which contains the data for a row in the data table.
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/// * [DataCell], which contains the data for a single cell in the data table.
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/// * [PaginatedDataTable], which shows part of the data in a data table and
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/// provides controls for paging through the remainder of the data.
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/// * <https://material.google.com/components/data-tables.html>
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class DataTable extends StatelessWidget {
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/// Creates a widget describing a data table.
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@ -22,8 +22,18 @@ import 'icons.dart';
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import 'progress_indicator.dart';
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import 'theme.dart';
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/// A wrapper for [DataTable] that obtains data lazily from a [DataTableSource]
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/// and displays it one page at a time. The widget is presented as a [Card].
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/// A material design data table that shows data using multiple pages.
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///
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/// A paginated data table shows [rowsPerPage] rows of data per page and
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/// provies controls for showing other pages.
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///
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/// Data is read lazily from from a [DataTableSource]. The widget is presented
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/// as a [Card].
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///
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/// See also:
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///
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/// * [DataTable], which is not paginated.
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/// * <https://material.io/guidelines/components/data-tables.html#data-tables-tables-within-cards>
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class PaginatedDataTable extends StatefulWidget {
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/// Creates a widget describing a paginated [DataTable] on a [Card].
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///
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125
packages/flutter/test/material/data_table_test.dart
Normal file
125
packages/flutter/test/material/data_table_test.dart
Normal file
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@ -0,0 +1,125 @@
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// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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class Dessert {
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Dessert(this.name, this.calories, this.fat, this.carbs, this.protein, this.sodium, this.calcium, this.iron);
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final String name;
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||||
final int calories;
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final double fat;
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final int carbs;
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final double protein;
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final int sodium;
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final int calcium;
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final int iron;
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}
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final List<Dessert> kDesserts = <Dessert>[
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new Dessert('Frozen yogurt', 159, 6.0, 24, 4.0, 87, 14, 1),
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new Dessert('Ice cream sandwich', 237, 9.0, 37, 4.3, 129, 8, 1),
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new Dessert('Eclair', 262, 16.0, 24, 6.0, 337, 6, 7),
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new Dessert('Cupcake', 305, 3.7, 67, 4.3, 413, 3, 8),
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new Dessert('Gingerbread', 356, 16.0, 49, 3.9, 327, 7, 16),
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new Dessert('Jelly bean', 375, 0.0, 94, 0.0, 50, 0, 0),
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new Dessert('Lollipop', 392, 0.2, 98, 0.0, 38, 0, 2),
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new Dessert('Honeycomb', 408, 3.2, 87, 6.5, 562, 0, 45),
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new Dessert('Donut', 452, 25.0, 51, 4.9, 326, 2, 22),
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new Dessert('KitKat', 518, 26.0, 65, 7.0, 54, 12, 6),
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];
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void main() {
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testWidgets('DataTable control test', (WidgetTester tester) async {
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List<String> log = <String>[];
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||||
|
||||
Widget buildTable({ int sortColumnIndex, bool sortAscending: true }) {
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||||
return new DataTable(
|
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sortColumnIndex: sortColumnIndex,
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sortAscending: sortAscending,
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onSelectAll: (bool value) {
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log.add('select-all: $value');
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},
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columns: <DataColumn>[
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new DataColumn(
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label: new Text('Name'),
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||||
tooltip: 'Name',
|
||||
),
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||||
new DataColumn(
|
||||
label: new Text('Calories'),
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||||
tooltip: 'Calories',
|
||||
numeric: true,
|
||||
onSort: (int columnIndex, bool ascending) {
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||||
log.add('column-sort: $columnIndex $ascending');
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||||
}
|
||||
),
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],
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rows: kDesserts.map((Dessert dessert) {
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||||
return new DataRow(
|
||||
key: new Key(dessert.name),
|
||||
onSelectChanged: (bool selected) {
|
||||
log.add('row-selected: ${dessert.name}');
|
||||
},
|
||||
cells: <DataCell>[
|
||||
new DataCell(
|
||||
new Text(dessert.name),
|
||||
),
|
||||
new DataCell(
|
||||
new Text('${dessert.calories}'),
|
||||
showEditIcon: true,
|
||||
onTap: () {
|
||||
log.add('cell-tap: ${dessert.calories}');
|
||||
},
|
||||
),
|
||||
],
|
||||
);
|
||||
}).toList(),
|
||||
);
|
||||
}
|
||||
|
||||
await tester.pumpWidget(new MaterialApp(
|
||||
home: new Material(child: buildTable())
|
||||
));
|
||||
|
||||
await tester.tap(find.byType(Checkbox).first);
|
||||
|
||||
expect(log, <String>['select-all: true']);
|
||||
log.clear();
|
||||
|
||||
await tester.tap(find.text('Cupcake'));
|
||||
|
||||
expect(log, <String>['row-selected: Cupcake']);
|
||||
log.clear();
|
||||
|
||||
await tester.tap(find.text('Calories'));
|
||||
|
||||
expect(log, <String>['column-sort: 1 true']);
|
||||
log.clear();
|
||||
|
||||
await tester.pumpWidget(new MaterialApp(
|
||||
home: new Material(child: buildTable(sortColumnIndex: 1))
|
||||
));
|
||||
await tester.pumpUntilNoTransientCallbacks(const Duration(milliseconds: 200));
|
||||
await tester.tap(find.text('Calories'));
|
||||
|
||||
expect(log, <String>['column-sort: 1 false']);
|
||||
log.clear();
|
||||
|
||||
await tester.pumpWidget(new MaterialApp(
|
||||
home: new Material(child: buildTable(sortColumnIndex: 1, sortAscending: false))
|
||||
));
|
||||
await tester.pumpUntilNoTransientCallbacks(const Duration(milliseconds: 200));
|
||||
|
||||
await tester.tap(find.text('375'));
|
||||
|
||||
expect(log, <String>['cell-tap: 375']);
|
||||
log.clear();
|
||||
|
||||
await tester.tap(find.byType(Checkbox).last);
|
||||
|
||||
expect(log, <String>['row-selected: KitKat']);
|
||||
log.clear();
|
||||
});
|
||||
}
|
||||
Loading…
Reference in a new issue