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Appointment Style Selector

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ScheduleView
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Prachi
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Prachi asked on 25 May 2011, 02:55 PM
Hi Support,


I tried using appointmentstyle selector as mentioned on telerik site and i tried to set the visibility property of appointmentitem;
but I am getting error as 'Xaml Parse exception : Line 0 Position 0'.
Here is the code for your reference.

<

 

 

Style x:Key="AppointmentTypeStyle" TargetType="telerik:AppointmentItem">

 

 

 

 

<Setter Property="Visibility" Value="Visible"></Setter>

 

 

 

 

</Style>

 


<

 

 

local:AppointmentStyleSelector x:Key="ItemStyleSelector"

 

 

AppointmentTypeStyle

 

 

 

 

 

="{StaticResource AppointmentTypeStyle}" />




Thanks

Prachi

 



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Dani
Telerik team
answered on 27 May 2011, 08:35 AM
Hello Prachi,

From the code you have posted we can conclude that you should have no problems using the selector. Please, send us a reproducable sample, so that we can find out what has gone wrong.

As a side note, I would like to point out that it is not recommended that you use the Visibility property as a part of an appointment style. Switching between different Visibility values for the appointments might result in improper recycling and unexpected rendering of the appointment items.


Greetings,
Dani
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Prachi
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answered on 27 May 2011, 10:23 AM

Hi telerik ,

Here my requirement is to show those appointments for which resources are checked. Can you suggest me the peoper way to it.
And I am also grouping resources in two groups and trying to show child resources per group by setting the visibility property. but some times it does not display it properly. Please give me solution for the same.


Here I am attaching the code for resource grouping

XAML Code : 

<UserControl.Resources>
                 
       <DataTemplate x:Key="DateGroup">
           <TextBlock Text="{Binding}" Width="70"></TextBlock>
        </DataTemplate>
         
       <DataTemplate x:Key="ResourceGroup">
           <CheckBox x:Name="resourceCheckBox" Content="{Binding}">
               <i:Interaction.Triggers>
                   <i:EventTrigger EventName="Checked">
                       <hms:EventToCommand Command="{Binding ResourceCheckedCommand, Source={StaticResource ViewModel}}" CommandParameter="{Binding ElementName=resourceCheckBox}" PassEventArgsToCommand="True"/>
                   </i:EventTrigger>
               </i:Interaction.Triggers>
           </CheckBox>
       </DataTemplate>
       <Style x:Key="AppointmentTypeTemplate" TargetType="telerik:GroupHeader">
           <Style.BasedOn>
               <Style TargetType="telerik:GroupHeader" >
                   <Setter Property="Visibility" Value="Visible"></Setter>
               </Style>
           </Style.BasedOn>
        </Style>
       <Style x:Key="VisibleResourceTypeTemplate"  TargetType="telerik:GroupHeader">
           <Style.BasedOn>
               <Style TargetType="telerik:GroupHeader" >
                   <Setter Property="Visibility" Value="Visible"></Setter>
               </Style>
           </Style.BasedOn>
       </Style>
       <Style x:Key="HiddenResourceTypeTemplate"  TargetType="telerik:GroupHeader">
           <Style.BasedOn>
               <Style TargetType="telerik:GroupHeader" >
           <Setter Property="Visibility" Value="Collapsed"></Setter>
       </Style>
       </Style.BasedOn>
       </Style>
       <local:GroupHeaderContentTemplateSelector x:Key="ItemSelector"
            DateGroup="{StaticResource DateGroup}" 
            ResourceGroup="{StaticResource ResourceGroup}" />
        <local:GroupHeaderStyleSelector x:Key="ItemStyleSelector" AppointmentTypeTemplate="{StaticResource AppointmentTypeTemplate}" 
       HiddenResourceTypeTemplate="{StaticResource HiddenResourceTypeTemplate}" VisibleResourceTypeTemplate="{StaticResource VisibleResourceTypeTemplate}"/>
                     
   </UserControl.Resources>
<r:RadScheduleView Name ="appointmentview"  MaxWidth="1000" Height="500"
                                              AppointmentsSource="{Binding Path=ScheduledAppointment}" 
                                              CurrentDate="{Binding Path= SelectedSlot.Start,Mode=TwoWay}" 
                                              ResourceTypesSource="{Binding Path= ListResourceTypes}" 
                                              GroupHeaderContentTemplateSelector="{StaticResource ItemSelector}" 
                                              GroupHeaderStyleSelector="{StaticResource ItemStyleSelector}" 
                                              SelectedSlot="{Binding Path=SelectedSlot,Mode=TwoWay}"
                                             >
                               <r:RadScheduleView.ViewDefinitions>
                                   <r:DayViewDefinition  Orientation="Horizontal"  
                                                        DayStartTime="{Binding Path=StartTimeOfScheduleView}" 
                                                        DayEndTime="{Binding Path= EndTimeOfScheduleView,Mode=TwoWay}"   
                                                        MinorTickLength="{Binding Path=MinTickLength, Mode=TwoWay}"
                                                         MajorTickLength="{Binding Path=MaxTickLength, Mode=TwoWay}" />
                               </r:RadScheduleView.ViewDefinitions>
                               <r:RadScheduleView.GroupDescriptionsSource>
                                   <r:GroupDescriptionCollection>
                                       <r:DateGroupDescription />
                                       <r:ResourceGroupDescription ResourceType="AppointmentType"/>
                                       <r:ResourceGroupDescription ResourceType="ResourceType" />
                                   </r:GroupDescriptionCollection>
                                     
                               </r:RadScheduleView.GroupDescriptionsSource>
                                                                                        </r:RadScheduleView>

code in .cs file
public class GroupHeaderContentTemplateSelector : ScheduleViewDataTemplateSelector
{
    public DataTemplate DateGroup { get; set; }
    public DataTemplate ResourceGroup { get; set; }
    public override DataTemplate SelectTemplate(object item, DependencyObject container, ViewDefinitionBase activeViewDeifinition)
    {
        if (item.GetType() == typeof(System.DateTime))
        return DateGroup;
        else
        return ResourceGroup;
    }
}
public class GroupHeaderStyleSelector : ScheduleViewStyleSelector
{
    public Style AppointmentTypeTemplate { get; set; }
    public Style VisibleResourceTypeTemplate { get; set; }
    public Style HiddenResourceTypeTemplate { get; set; }
    public override Style SelectStyle(object item, DependencyObject container, ViewDefinitionBase activeViewDeifinition)
    {
        var containerObj = container as GroupHeader;
        if (containerObj.GroupKey.GetType() == typeof(System.DateTime))
            return base.SelectStyle(item, container, activeViewDeifinition);
        else
        {
              if (containerObj.GroupKey.GetType()== typeof(Telerik.Windows.Controls.Resource))
              {
                  var resourceScheduleView = containerObj.GroupKey as Telerik.Windows.Controls.Resource;
                 
                  if (resourceScheduleView.ResourceType == "AppointmentType")
                        return AppointmentTypeTemplate;
                  else        
                    {
                      if (resourceScheduleView.ResourceType == "ResourceType")
                         {
                             var parentResource = containerObj.ParentKeys as List<object>;
                             if (parentResource[0].GetType() == typeof(Telerik.Windows.Controls.Resource))
                             {
                                 // Here always second last parent will be the appointmenttype
                                 var parentResourType = parentResource[1] as Telerik.Windows.Controls.Resource;
                                   
                                 int position = resourceScheduleView.ResourceName.IndexOf('-');
                                 var parentId = resourceScheduleView.ResourceName.Substring(position+1);
                                 
                                 if (parentId == parentResourType.ResourceName)
                                     return VisibleResourceTypeTemplate;
                                 else
                                     return HiddenResourceTypeTemplate;
                             }
                             else
                                 return base.SelectStyle(item, container, activeViewDeifinition);
                        }
                      else
                          return base.SelectStyle(item, container, activeViewDeifinition);
                    }
              }
              else
                   return base.SelectStyle(item,container,activeViewDeifinition);
        }                                           
    }
}
public class AppointmentStyleSelector : ScheduleViewStyleSelector
{
    public Style AppointmentStyle { get; set; }
    public Style CheckedResource { get; set; }
    public override Style SelectStyle(object item, DependencyObject container, ViewDefinitionBase activeViewDeifinition)
    {
        //var occurence = item as Occurrence;
        //if (occurence == null) return null;
        var appointmentItem = item as ScheduleViewAppointment;
        if (item == null) return base.SelectStyle(item,container,activeViewDeifinition);
        if (!(appointmentItem.IsVisible))
            return base.SelectStyle(item, container, activeViewDeifinition);
        else
            return base.SelectStyle(item, container, activeViewDeifinition);
    }
}


 

 

 

 

 

 

0
Dani
Telerik team
answered on 01 Jun 2011, 04:50 PM
Hi Prachi,

Thank you for the supplied sources. However, display of a certain group or resource upon checking a CheckBox in a resource header is not possible with the current implementation of RadScheduleView, I am afraid.

Regards,
Dani
the Telerik team
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Prachi
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Prachi
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