How to Filter foreignkey in gridPanel
Question
I'm using Ext.NET GridPanel
to show a list of projects' tasks in my system and each task has its progress status like Finished, Running, Not started and etc.
Here is part of my gridPanel:
These progress status are records from another table in my database, just like this:
It's related SprintStatus
-> SprintStatusID
and I'm showing SprintStatusName
in my gridPanel
.
What I'd like to do is to local filter it by StatusName but the only way I can accomplish this is to set my ext:ListFilter
options with its IDs (1, 2, 3, 4) which isn't good because I don't want to show the IDs
Here is the filter
How can I make it show StatusName instead of StatusID?
My gridPanel Code
<ext:GridPanel
ID="grdProjects"
runat="server"
AutoHeight="true"
EnableColumnMove="false"
Collapsible="false"
AnimCollapse="true"
StripeRows="true"
Title="Projetos" >
<Bin>
<ext:Store ID="storeStatus" runat="server">
<Reader>
<ext:JsonReader IDProperty="StatusID">
<Fields>
<ext:RecordField Name="StatusID" Type="Int" />
<ext:RecordField Name="StatusName" Type="String" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
<ext:Store ID="storeUsers" runat="server">
<Reader>
<ext:JsonReader IDProperty="DeveloperID">
<Fields>
<ext:RecordField Name="DeveloperID" Type="Int" />
<ext:RecordField Name="DeveloperName" Type="String" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
</Bin>
<Store>
<ext:Store ID="ProjectsStore" runat="server" GroupField="ProjectName">
<Reader>
<ext:JsonReader IDProperty="ID">
<Fields>
<ext:RecordField Name="ProjectName" Type="String" />
<ext:RecordField Name="ID" Type="Int" />
<ext:RecordField Name="Name" Type="String" />
<ext:RecordField Name="Status" Type="String" />
<ext:RecordField Name="Owner" Type="String" />
<ext:RecordField Name="Begin" Type="Date" />
<ext:RecordField Name="End" Type="Date" />
<ext:RecordField Name="RealEnd" Type="Date" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
</Store>
<Listeners>
<AfterEdit Fn="afterEdit" />
</Listeners>
<ColumnModel ID="ColumnModel20" runat="server">
<Columns>
<ext:Column ColumnID="SprintProject" Header="Projeto" Align="Left" DataIndex="ProjectName" />
<ext:Column ColumnID="SprintName" Header="Nome" Align="Left" DataIndex="Name" />
<ext:Column ColumnID="SprintStatus" Header="Status" Align="Left" DataIndex="Status">
<Renderer Handler="return #{storeStatus}.getById(value).data.StatusName;" />
<Editor>
<ext:SelectBox
ID="selStatus"
StoreID="storeStatus"
runat="server"
DisplayField="StatusName"
ValueField="StatusID"
EmptyText="Selecione um status" />
</Editor>
</ext:Column>
<ext:Column ColumnID="SprintOwner" Header="Recurso" Align="Left" DataIndex="Owner">
<Renderer Handler="return #{storeUsers}.getById(value).data.DeveloperName;" />
<Editor>
<ext:SelectBox
ID="selDevelopers"
StoreID="storeUsers"
runat="server"
DisplayField="DeveloperName"
ValueField="DeveloperID"
EmptyText="Selecione um recurso" />
</Editor>
</ext:Column>
<ext:DateColumn ColumnID="SprintBegin" Header="Data de início" Align="Center" DataIndex="Begin" Format="dd/MM/yyyy">
<Editor>
<ext:DateField Format="dd/MM/yyyy" runat="server" />
</Editor>
</ext:DateColumn>
<ext:DateColumn ColumnID="SprintEnd" Header="Previsão de término" Align="Center" DataIndex="End" Format="dd/MM/yyyy">
<Editor>
<ext:DateField Format="dd/MM/yyyy" runat="server" />
</Editor>
</ext:DateColumn>
<ext:DateColumn ColumnID="SprintRealEnd" Header="Data de término" Align="Center" DataIndex="RealEnd" Format="dd/MM/yyyy">
<Editor>
<ext:DateField Format="dd/MM/yyyy" runat="server" />
</Editor>
</ext:DateColumn>
</Columns>
</ColumnModel>
<SelectionModel>
<ext:RowSelectionModel ID="RowSelectionModel1" runat="server" SingleSelect="true" />
</SelectionModel>
<View>
<ext:GroupingView SplitHandleWidth="10"
runat="server"
ForceFit="true"
MarkDirty="false"
ShowGroupName="false"
EnableNoGroups="true"
HideGroupedColumn="true" ID="ctl222">
</ext:GroupingView>
</View>
<Plugins>
<ext:GridFilters runat="server" ID="GridFilters1" Local="true">
<Filters>
<ext:ListFilter DataIndex="Status" Options="1,2,3,4">
<Listeners>
<Activate Buffer="250" Fn="filtraNaoConcluido" />
</Listeners>
</ext:ListFilter>
</Filters>
</ext:GridFilters>
</Plugins>
</ext:GridPanel>
Solution
Here's an approach using a Store to supply the options for the ListFilter.
BUT... there is a problem with this sample. The filters are not actually apply properly. I have to do some more research.
I'll be back and edit this post once I figure out what exactly is going wrong.
I'll also try to figure out if you can set a name:value pair using only the .Options property.
Edit: Sample has been updated.
Example
<%@ Page Language="C#" %>
<%@ Register Assembly="Ext.Net" Namespace="Ext.Net" TagPrefix="ext" %>
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
if (!X.IsAjaxRequest)
{
var companies = new[] {
new { ID = 1, Name = "Company A", Size = 3 },
new { ID = 2, Name = "Company B", Size = 1 },
new { ID = 3, Name = "Company C", Size = 5 },
new { ID = 4, Name = "Company D", Size = 3 },
new { ID = 5, Name = "Company E", Size = 4 },
};
this.Store1.DataSource = companies;
this.Store1.DataBind();
var sizes = new [] {
new { Name = "Extra Small", ID = 1 },
new { Name = "Small", ID = 2 },
new { Name = "Medium", ID = 3 },
new { Name = "Large", ID = 4 },
new { Name = "Extra Large", ID = 5 }
};
this.Store2.DataSource = sizes;
this.Store2.DataBind();
}
}
</script>
<!DOCTYPE html>
<html>
<head runat="server">
<title>Ext.NET Examples</title>
<ext:ResourcePlaceHolder runat="server" />
<script type="text/javascript">
var myValidateRecord = function (record) {
var filterValue = this.getValue(),
item;
if (filterValue.length == 0) {
return true;
}
item = this.store.query("ID", record.data.Size).first();
return item ? filterValue.indexOf(item.data.Name) != -1 : false;
}
</script>
</head>
<body>
<ext:ResourceManager runat="server" />
<ext:GridPanel
runat="server"
Title="Example"
Width="350"
Height="215"
AutoExpandColumn="Name">
<Store>
<ext:Store ID="Store1" runat="server">
<Reader>
<ext:JsonReader IDProperty="ID">
<Fields>
<ext:RecordField Name="ID" Type="Int" />
<ext:RecordField Name="Name" />
<ext:RecordField Name="Size" Type="Int" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
</Store>
<Bin>
<ext:Store ID="Store2" runat="server">
<Reader>
<ext:JsonReader IDProperty="ID">
<Fields>
<ext:RecordField Name="ID" Type="Int" />
<ext:RecordField Name="Name" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
</Bin>
<ColumnModel runat="server">
<Columns>
<ext:Column Header="ID" DataIndex="ID" />
<ext:Column Header="Name" DataIndex="Name" />
<ext:Column Header="Size" DataIndex="Size">
<Renderer Handler="return Store2.getById(value).data.Name" />
</ext:Column>
</Columns>
</ColumnModel>
<Plugins>
<ext:GridFilters runat="server" Local="true">
<Filters>
<ext:NumericFilter DataIndex="ID" />
<ext:StringFilter DataIndex="Company" />
<ext:ListFilter DataIndex="Size" StoreID="Store2" LabelField="Name">
<ValidateRecord Fn="myValidateRecord" />
</ext:ListFilter>
</Filters>
</ext:GridFilters>
</Plugins>
</ext:GridPanel>
</body>
</html>