Click here to Skip to main content
Click here to Skip to main content
 
Add your own
alternative version

Silverlight Experimental Hacks (SLEX) - EventTrigger, PropertyTrigger, ReactiveTrigger, InvokeMethodAction, StoryBoardAction, etc. for Silverlight

, 14 Jan 2010
A set of Silverlight Experimental Hacks (1) A custom implementation of EventTrigger and PropertyTrigger (2) Invoking methods in your view model in MVVM (3) Conditionally invoking triggers and behaviors (4) ReactiveTrigger for exporting your custom events
Slex_Preview_2.zip
Source
.svn
all-wcprops
entries
format
prop-base
Slex.Lib.suo.svn-base
props
text-base
Slex.Lib.sln.svn-base
Slex.Lib.suo.svn-base
tmp
prop-base
props
text-base
Assemblies
Microsoft.Expression.Interactions.dll
System.ComponentModel.Composition.dll
System.ComponentModel.Composition.Initialization.dll
System.Reactive.dll
System.Windows.Interactivity.dll
.svn
all-wcprops
entries
format
prop-base
System.ComponentModel.Composition.dll.svn-base
System.ComponentModel.Composition.Initialization.dll.svn-base
System.Reactive.dll.svn-base
System.Windows.Interactivity.dll.svn-base
props
text-base
System.ComponentModel.Composition.dll.svn-base
System.ComponentModel.Composition.Initialization.dll.svn-base
System.Reactive.dll.svn-base
System.Windows.Interactivity.dll.svn-base
tmp
prop-base
props
text-base
Components
Components.dgml
.svn
all-wcprops
entries
format
prop-base
props
text-base
Components.dgml.svn-base
tmp
prop-base
props
text-base
Slex.Lib
ClassDiagram.cd
Slex.Lib.csproj.user
.svn
all-wcprops
entries
format
prop-base
props
text-base
Slex.Lib.csproj.svn-base
Slex.Lib.csproj.user.svn-base
tmp
prop-base
props
text-base
Bin
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
Debug
Microsoft.Expression.Interactions.dll
Slex.Lib.dll
Slex.Lib.pdb
System.ComponentModel.Composition.dll
System.Reactive.dll
System.Windows.Interactivity.dll
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
Release
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
Composition
Interactions
.svn
all-wcprops
entries
format
prop-base
props
text-base
ConverterHelper.cs.svn-base
DependencyPropertyHelper.cs.svn-base
EventBasedTrigger.cs.svn-base
EventTrigger.cs.svn-base
InvokeCommandAction.cs.svn-base
InvokeMethodAction.cs.svn-base
InvokingCondition.cs.svn-base
InvokingConditions.cs.svn-base
MethodParameters.cs.svn-base
MethodParameterValue.cs.svn-base
ObserverTrigger.cs.svn-base
PropertyListenerObject.cs.svn-base
PropertyTrigger.cs.svn-base
SlexTrigger.cs.svn-base
SlexTriggerAction.cs.svn-base
TargettedTriggerAction.cs.svn-base
ValueDetails.cs.svn-base
VisualTreeUtils.cs.svn-base
tmp
prop-base
props
text-base
obj
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
Debug
ResolveAssemblyReference.cache
Slex.Lib.dll
Slex.Lib.pdb
.svn
all-wcprops
entries
format
prop-base
props
text-base
Slex.Lib.csproj.FileListAbsolute.txt.svn-base
tmp
prop-base
props
text-base
TempPE
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
Properties
.svn
all-wcprops
entries
format
prop-base
props
text-base
AssemblyInfo.cs.svn-base
tmp
prop-base
props
text-base
Reactive
.svn
all-wcprops
entries
format
prop-base
props
text-base
InnerClasses.cs.svn-base
ObservableExtensions.cs.svn-base
tmp
prop-base
props
text-base
Slex.Lib.Demo
Slex.Lib.Demo.csproj.user
.svn
all-wcprops
entries
format
prop-base
props
text-base
App.xaml.cs.svn-base
App.xaml.svn-base
MainPage.xaml.cs.svn-base
MainPage.xaml.svn-base
Slex.Lib.Demo.csproj.svn-base
Slex.Lib.Demo.csproj.user.svn-base
tmp
prop-base
props
text-base
Assets
.svn
all-wcprops
entries
format
prop-base
props
text-base
Styles.xaml.svn-base
tmp
prop-base
props
text-base
Bin
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
Debug
Slex.Lib.Demo.dll
Slex.Lib.Demo.xap
Slex.Lib.dll
System.ComponentModel.Composition.dll
System.Reactive.dll
System.Windows.Controls.dll
System.Windows.Controls.Navigation.dll
System.Windows.Interactivity.dll
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
ar
System.Windows.Controls.resources.dll
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
de
System.Windows.Controls.Navigation.resources.dll
System.Windows.Controls.resources.dll
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
es
System.Windows.Controls.Navigation.resources.dll
System.Windows.Controls.resources.dll
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
fr
System.Windows.Controls.Navigation.resources.dll
System.Windows.Controls.resources.dll
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
it
System.Windows.Controls.Navigation.resources.dll
System.Windows.Controls.resources.dll
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
ja
System.Windows.Controls.Navigation.resources.dll
System.Windows.Controls.resources.dll
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
ko
System.Windows.Controls.Navigation.resources.dll
System.Windows.Controls.resources.dll
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
zh-Hans
System.Windows.Controls.Navigation.resources.dll
System.Windows.Controls.resources.dll
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
zh-Hant
System.Windows.Controls.Navigation.resources.dll
System.Windows.Controls.resources.dll
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
Release
.svn
all-wcprops
entries
format
prop-base
props
text-base
tmp
prop-base
props
text-base
Commands
.svn
all-wcprops
entries
format
prop-base
props
text-base
DelegateCommand.cs.svn-base
tmp
prop-base
props
text-base
Extensions
Properties
.svn
all-wcprops
entries
format
prop-base
props
text-base
AppManifest.xml.svn-base
AssemblyInfo.cs.svn-base
tmp
prop-base
props
text-base
Views
.svn
all-wcprops
entries
format
prop-base
props
text-base
About.xaml.cs.svn-base
About.xaml.svn-base
ErrorWindow.xaml.cs.svn-base
ErrorWindow.xaml.svn-base
Home.xaml.cs.svn-base
Home.xaml.svn-base
tmp
prop-base
props
text-base
AdvancedDemos
Demos
.svn
all-wcprops
entries
format
prop-base
props
text-base
EventStoryBoardMethodAction.xaml.cs.svn-base
EventStoryBoardMethodAction.xaml.svn-base
EventTrigger.xaml.cs.svn-base
EventTrigger.xaml.svn-base
EventTriggerModel.cs.svn-base
InvokeMethod.xaml.cs.svn-base
InvokeMethod.xaml.svn-base
InvokeMethodModel.cs.svn-base
PropertyTrigger.xaml.cs.svn-base
PropertyTrigger.xaml.svn-base
PropertyTriggerModel.cs.svn-base
tmp
prop-base
props
text-base
using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Collections.Generic;
using System.Windows.Markup;
using System.Linq;

namespace Slex.Lib.Interactions
{
    /// <summary>
    /// An action to invoke a method in the model
    /// </summary>
    [ContentProperty("Parameters")]
    public class InvokeMethodAction : TargettedTriggerAction
    {
        public string MethodName
        {
            get { return (string)GetValue(MethodNameProperty); }
            set { SetValue(MethodNameProperty, value); }
        }

        // Using a DependencyProperty as the backing store for MethodName.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty MethodNameProperty =
            DependencyProperty.Register("MethodName", typeof(string), typeof(InvokeMethodAction), new PropertyMetadata(string.Empty));


        public object Result
        {
            get { return (object)GetValue(ResultProperty); }
            internal set { SetValue(ResultProperty, value); }
        }

        // Using a DependencyProperty as the backing store for Result.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty ResultProperty =
            DependencyProperty.Register("Result", typeof(object), typeof(InvokeMethodAction), new PropertyMetadata(null));

        


        /// <summary>
        /// A set of parameters this method will take
        /// </summary>
        public ActionParameters Parameters
        {
            get { return (ActionParameters)GetValue(MethodParametersProperty); }
            set { SetValue(MethodParametersProperty, value); }
        }

        // Using a DependencyProperty as the backing store for Conditions.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty MethodParametersProperty =
            DependencyProperty.Register("Parameters", typeof(ActionParameters), typeof(InvokeMethodAction), new PropertyMetadata(null));

        


        /// <summary>
        /// Invoke this command conditionally, based on conditions provided
        /// </summary>
        /// <param name="parameter"></param>
        internal override void InvokeConditional(object parameter)
        {
            
            if (Target != null)
            {
                var method = Target.GetType().GetMethod(MethodName);
                if (method == null) throw new InvalidOperationException("Unable to find Method " + MethodName);


                List<object> convertedParams = new List<object>();
                if (null != Parameters)
                {
                    var methodParams=method.GetParameters();
                    if (methodParams.Length!=Parameters.Count)
                        throw new InvalidOperationException("Method parameters don't match with given parameters for " + MethodName);

                    int i=0;
                    foreach (var p in Parameters)
                    {
                        convertedParams.Add(ConverterHelper.ConvertToType(p.PropertyValue,methodParams[i].ParameterType));
                    }

                    method.Invoke(Target, convertedParams.ToArray());
                }
                else
                {
                    method.Invoke(Target,null);
                }
            }
        }


        /// <summary>
        /// Internally initialize this action
        /// </summary>
        internal override void InternalInitialize()
        {
            base.InternalInitialize();

            if (Parameters != null)
            {
                Parameters.ToList().ForEach(p =>
                { p.TriggerContext = TriggerContext; p.AssociatedObject = this.AssociatedObject; p.InternalInitialize(); });
            }
        }

    }
}

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author


| Advertise | Privacy | Mobile
Web03 | 2.8.140721.1 | Last Updated 15 Jan 2010
Article Copyright 2010 by Anoop Madhusudanan
Everything else Copyright © CodeProject, 1999-2014
Terms of Service
Layout: fixed | fluid