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grleachmangrleachman
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DataList bind item and data (#63) (#74)
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4 files changed

+202
-86
lines changed

4 files changed

+202
-86
lines changed

‎.gitignore‎

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*.user
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*.userosscache
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*.sln.docstates
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*.ncrunchproject
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*.ncrunchsolution
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# User-specific files (MonoDevelop/Xamarin Studio)
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*.userprefs

‎src/BlazorWebFormsComponents.Test/DataList/FlowLayout/DataBind.razor‎

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@inherits TestComponentBase
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@using System.Diagnostics;
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<Fixture Test="ShouldTriggerEvents">
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<ComponentUnderTest>
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<DataList ID="simpleDataList"
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Items="Widget.SimpleWidgetList"
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ItemType="Widget"
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RepeatLayout="Flow"
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OnDataBound="DataBound"
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OnDataBinding="DataBinding"
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OnItemDataBound="ItemDataBound"
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Context="Item">
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<HeaderTemplate>My Widget List</HeaderTemplate>
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<ItemTemplate><item>@Item.Name</item></ItemTemplate>
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</DataList>
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</ComponentUnderTest>
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</Fixture>
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@code{
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int databinding = 0;
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int databound = 0;
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int itemDatabound = 0;
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void DataBinding(EventArgs args)
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{
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databinding++;
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}
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void DataBound(EventArgs args)
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{
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databound++;
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}
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void ItemDataBound(ListViewItemEventArgs args)
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{
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itemDatabound++;
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}
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}
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@code{
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void ShouldTriggerEvents()
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{
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// Arrange
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var cut = GetComponentUnderTest();
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Debug.WriteLine(cut.Markup);
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// Assert
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databinding.ShouldBeGreaterThan(0);
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databound.ShouldBeGreaterThan(0);
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itemDatabound.ShouldBeGreaterThanOrEqualTo(3);
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cut.FindAll("item").Count().ShouldBe(3);
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}
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}

‎src/BlazorWebFormsComponents.Test/DataList/TableLayout/DataBind.razor‎

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@inherits TestComponentBase
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@using System.Diagnostics;
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<Fixture Test="ShouldTriggerEvents">
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<ComponentUnderTest>
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<DataList ID="simpleDataList"
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Items="Widget.SimpleWidgetList"
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ItemType="Widget"
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RepeatLayout="Table"
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OnDataBound="DataBound"
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OnDataBinding="DataBinding"
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OnItemDataBound="ItemDataBound"
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Context="Item">
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<HeaderTemplate>My Widget List</HeaderTemplate>
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<ItemTemplate><span>@Item.Name</span></ItemTemplate>
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</DataList>
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</ComponentUnderTest>
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</Fixture>
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@code{
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int databinding = 0;
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int databound = 0;
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int itemDatabound = 0;
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void DataBinding(EventArgs args)
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{
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databinding++;
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}
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void DataBound(EventArgs args)
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{
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databound++;
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}
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void ItemDataBound(ListViewItemEventArgs args)
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{
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itemDatabound++;
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}
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}
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@code{
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void ShouldTriggerEvents()
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{
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// Arrange
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var cut = GetComponentUnderTest();
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Debug.WriteLine(cut.Markup);
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// Assert
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databinding.ShouldBeGreaterThan(0);
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databound.ShouldBeGreaterThan(0);
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itemDatabound.ShouldBeGreaterThanOrEqualTo(3);
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cut.FindAll("span").Count().ShouldBe(3);
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}
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}

‎src/BlazorWebFormsComponents/DataList.razor‎

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1919
</CascadingValue>
2020

2121

22-
@switch (RepeatLayout)
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@switch (RepeatLayout)
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{
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case TableRepeatLayout t:
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<table accesskey="@AccessKey"
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cellpadding="@(CellPadding == default ? null : (int?)CellPadding)"
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cellspacing="@(CellSpacing == default ? null : (int?)CellSpacing)"
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rules="@CalculatedGridLines"
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style="border-collapse:collapse;@CalculatedStyle"
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tabindex="@(TabIndex == default ? null : (short?)TabIndex)"
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title="@ToolTip">
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@if (HeaderTemplate != null && ShowHeader)
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{
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if (!string.IsNullOrEmpty(Caption))
2338
{
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<caption align="@(CaptionAlign == VerticalAlign.NotSet ? null : CaptionAlign.ToString())">@Caption</caption>
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}
2441

25-
case TableRepeatLayout t:
26-
<table accesskey="@AccessKey"
27-
cellpadding="@(CellPadding == default ? null : (int?)CellPadding)"
28-
cellspacing="@(CellSpacing == default ? null : (int?)CellSpacing)"
29-
rules="@CalculatedGridLines"
30-
style="border-collapse:collapse;@CalculatedStyle"
31-
tabindex="@(TabIndex == default ? null : (short?)TabIndex)"
32-
title="@ToolTip">
33-
34-
@if (HeaderTemplate != null && ShowHeader)
35-
{
36-
37-
if (!string.IsNullOrEmpty(Caption))
38-
{
39-
<caption align="@(CaptionAlign == VerticalAlign.NotSet ? null : CaptionAlign.ToString())">@Caption</caption>
40-
}
41-
42-
<tr>
43-
@if (UseAccessibleHeader)
44-
{
45-
<th style="@HeaderStyle" class="@HeaderStyle.CssClass">@HeaderTemplate</th>
46-
}
47-
else
48-
{
49-
<td style="@HeaderStyle" class="@HeaderStyle.CssClass">@HeaderTemplate</td>
50-
}
51-
</tr>
52-
53-
}
54-
55-
@if (Items?.Any() ?? false)
56-
{
57-
58-
var even = true;
59-
var first = true;
60-
61-
@foreach (var item in Items)
62-
{
63-
64-
if (!first && SeparatorTemplate != null)
65-
{
66-
<tr><td style="@SeparatorStyle">@SeparatorTemplate</td></tr>
67-
}
68-
69-
70-
<tr><td style="@(even ? ItemStyle : AlternatingItemTemplate == null ? ItemStyle : AlternatingItemStyle)">@(even ? ItemTemplate(item) : AlternatingItemTemplate == null ? ItemTemplate(item) : AlternatingItemTemplate(item))</td></tr>
42+
<tr>
43+
@if (UseAccessibleHeader)
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{
45+
<th style="@HeaderStyle" class="@HeaderStyle.CssClass">@HeaderTemplate</th>
46+
}
47+
else
48+
{
49+
<td style="@HeaderStyle" class="@HeaderStyle.CssClass">@HeaderTemplate</td>
50+
}
51+
</tr>
52+
53+
}
54+
55+
@if (Items?.Any() ?? false)
56+
{
57+
var even = true;
58+
var first = true;
59+
OnDataBinding.InvokeAsync(EventArgs.Empty);
60+
61+
@foreach (var item in Items)
62+
{
7163

72-
even = !even;
73-
first = false;
64+
if (!first && SeparatorTemplate != null)
65+
{
66+
<tr><td style="@SeparatorStyle">@SeparatorTemplate</td></tr>
67+
}
7468

75-
}
76-
}
7769

78-
@if (FooterTemplate != null && ShowFooter)
79-
{
70+
<tr><td style="@(even ? ItemStyle : AlternatingItemTemplate == null ? ItemStyle : AlternatingItemStyle)">@(even ? ItemTemplate(item) : AlternatingItemTemplate == null ? ItemTemplate(item) : AlternatingItemTemplate(item))</td></tr>
71+
OnItemDataBound.InvokeAsync(new ListViewItemEventArgs(item));
72+
even = !even;
73+
first = false;
8074

81-
<tr><td style="@FooterStyle" class="@FooterStyle.CssClass">@FooterTemplate</td></tr>
75+
}
76+
OnDataBound.InvokeAsync(EventArgs.Empty);
77+
}
8278

83-
}
79+
@if (FooterTemplate != null && ShowFooter)
80+
{
8481

82+
<tr><td style="@FooterStyle" class="@FooterStyle.CssClass">@FooterTemplate</td></tr>
8583

86-
</table>
87-
break;
88-
case FlowRepeatLayout f:
84+
}
8985

90-
<span accesskey="@AccessKey" style="@CalculatedStyle" title="@ToolTip" tabindex="@(TabIndex == default ? null : (short?)TabIndex)">
9186

92-
@if (HeaderTemplate != null && ShowHeader)
93-
{
87+
</table>
88+
break;
89+
case FlowRepeatLayout f:
9490

95-
<span class="@HeaderStyle.CssClass" style="@HeaderStyle">@HeaderTemplate</span><br />
91+
<span accesskey="@AccessKey" style="@CalculatedStyle" title="@ToolTip" tabindex="@(TabIndex == default ? null : (short?)TabIndex)">
9692

97-
}
93+
@if (HeaderTemplate != null && ShowHeader)
94+
{
9895

99-
@if (Items?.Any() ?? false)
100-
{
96+
<span class="@HeaderStyle.CssClass" style="@HeaderStyle">@HeaderTemplate</span><br />
10197

102-
var even = true;
103-
var first = true;
98+
}
10499

105-
@foreach (var item in Items)
106-
{
100+
@if (Items?.Any() ?? false)
101+
{
107102

108-
if (!first && SeparatorTemplate != null)
109-
{
110-
<span style="@SeparatorStyle">@SeparatorTemplate</span>
111-
}
103+
var even = true;
104+
var first = true;
105+
OnDataBinding.InvokeAsync(EventArgs.Empty);
106+
@foreach (var item in Items)
107+
{
112108

113-
<span style="@(even ? ItemStyle : AlternatingItemTemplate == null ? ItemStyle : AlternatingItemStyle)">@(even ? ItemTemplate(item) : AlternatingItemTemplate == null ? ItemTemplate(item) : AlternatingItemTemplate(item))</span><br />
109+
if (!first && SeparatorTemplate != null)
110+
{
111+
<span style="@SeparatorStyle">@SeparatorTemplate</span>
112+
}
114113

115-
even = !even;
116-
first = false;
114+
<span style="@(even ? ItemStyle : AlternatingItemTemplate == null ? ItemStyle : AlternatingItemStyle)">@(even ? ItemTemplate(item) : AlternatingItemTemplate == null ? ItemTemplate(item) : AlternatingItemTemplate(item))</span><br />
115+
OnItemDataBound.InvokeAsync(new ListViewItemEventArgs(item));
116+
even = !even;
117+
first = false;
117118

118-
}
119-
}
119+
}
120+
OnDataBound.InvokeAsync(EventArgs.Empty);
121+
}
120122

121-
@if (FooterTemplate != null && ShowFooter)
122-
{
123+
@if (FooterTemplate != null && ShowFooter)
124+
{
123125

124-
<span class="@FooterStyle.CssClass" style="@FooterStyle">@FooterTemplate</span><br />
126+
<span class="@FooterStyle.CssClass" style="@FooterStyle">@FooterTemplate</span><br />
125127

126-
}
128+
}
127129

128130

129131

130-
</span>
132+
</span>
131133

132-
break;
134+
break;
133135

134-
}
136+
}
135137

136-
}
138+
}

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