Initial Commit

.gitignore

@@ -0,0 +1,226 @@
+#################
+## Eclipse
+#################
+
+*.pydevproject
+.project
+.metadata
+.nuget
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.classpath
+.settings/
+.loadpath
+*.userprefs
+
+# External tool builders
+.externalToolBuilders/
+
+# Locally stored "Eclipse launch configurations"
+*.launch
+
+# CDT-specific
+.cproject
+
+# PDT-specific
+.buildpath
+
+
+#################
+## Visual Studio
+#################
+
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+
+[Dd]ebug/
+[Rr]elease/
+x64/
+build/
+[Bb]in/
+[Oo]bj/
+[Cc]omponents/
+[Pp]ackages/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+*_i.c
+*_p.c
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.log
+*.scc
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+*.ncrunch*
+.*crunch*.local.xml
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.Publish.xml
+*.pubxml
+
+# NuGet Packages Directory
+## TODO: If you have NuGet Package Restore enabled, uncomment the next line
+#packages/
+
+# Windows Azure Build Output
+csx
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+sql/
+*.Cache
+ClientBin/
+[Ss]tyle[Cc]op.*
+~$*
+*~
+*.dbmdl
+*.[Pp]ublish.xml
+*.pfx
+*.publishsettings
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file to a newer
+# Visual Studio version. Backup files are not needed, because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+App_Data/*.mdf
+App_Data/*.ldf
+
+#############
+## Windows detritus
+#############
+
+# Windows image file caches
+Thumbs.db
+ehthumbs.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Mac crap
+.DS_Store
+
+#############
+Git
+#############
+
+*.orig
+
+#############
+## Python
+#############
+
+*.py[co]
+
+# Packages
+*.egg
+*.egg-info
+dist/
+build/
+eggs/
+parts/
+var/
+sdist/
+develop-eggs/
+.installed.cfg
+
+# Installer logs
+pip-log.txt
+
+# Unit test / coverage reports
+.coverage
+.tox
+
+#Translations
+*.mo
+
+#Mr Developer
+.mr.developer.cfg
+
+XamarinEvolve.userprefs

LICENSE.md

@@ -0,0 +1 @@
+Licensed under the Apache License, Version 2.0

MvvmHelpers.nuspec

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
+   <metadata minClientVersion="2.8.1">
+       <id>Refractored.MvvmHelpers</id>
+       <version>1.0.0</version>
+       <title>Mvvm Helpers for Xamarin and Windows</title>
+       <authors>James Montemagno</authors>
+       <owners>James Montemagno</owners>
+       <licenseUrl>https://raw.githubusercontent.com/jamesmontemagno/mvvm-helpers/master/LICENSE.md</licenseUrl>
+       <projectUrl>https://github.com/jamesmontemagno/mvvm-helpers</projectUrl>
+       <iconUrl></iconUrl>
+       <requireLicenseAcceptance>false</requireLicenseAcceptance>
+       <description>
+         Collection of Mvvm Helpers such as ObservableRangeCollection, BaseViewModel, Grouping, and others.
+       </description>
+       <summary>Collection of Mvvm Helpers such as ObservableRangeCollection, BaseViewModel, Grouping, and others.</summary>
+       <tags>permissions, plugin permissions, permission plugin, xamarin, pcl, xam.pcl, plugin, plugin for xamarin, windows phone, winphone, wp8, winrt, android, xamarin.forms, ios</tags>
+       <dependencies>
+       </dependencies>
+    <releaseNotes>
+     </releaseNotes>
+   </metadata>
+   <files>
+  <!--Core-->
+     <file src="MvvmHelpers\bin\Release\MvvmHelpers.dll" target="lib\portable-net45+wp8+wpa81+win8+MonoAndroid10+MonoTouch10+Xamarin.iOS10+UAP10\MvvmHelpers.dll" />
+     <file src="MvvmHelpers\bin\Release\MvvmHelpers.xml" target="lib\portable-net45+wp8+wpa81+win8+MonoAndroid10+MonoTouch10+Xamarin.iOS10+UAP10\MvvmHelpers.xml" />
+     <file src="MvvmHelpers\bin\Release\MvvmHelpers.pdb" target="lib\portable-net45+wp8+wpa81+win8+MonoAndroid10+MonoTouch10+Xamarin.iOS10+UAP10\MvvmHelpers.pdb" />
+   </files>
+</package>

MvvmHelpers.sln

@@ -0,0 +1,24 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MvvmHelpers", "MVVMHelpers\MvvmHelpers.csproj", "{41755AC7-8160-4857-8AA7-6EDCD76923EA}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{93B692A1-FE26-4A59-B906-0CBADB102B8F}"
+	ProjectSection(SolutionItems) = preProject
+		MvvmHelpers.nuspec = MvvmHelpers.nuspec
+	EndProjectSection
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{41755AC7-8160-4857-8AA7-6EDCD76923EA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{41755AC7-8160-4857-8AA7-6EDCD76923EA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{41755AC7-8160-4857-8AA7-6EDCD76923EA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{41755AC7-8160-4857-8AA7-6EDCD76923EA}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+	EndGlobalSection
+EndGlobal

MvvmHelpers/BaseViewModel.cs

@@ -0,0 +1,86 @@
+namespace MvvmHelpers
+{
+    /// <summary>
+    /// Base view model.
+    /// </summary>
+    public class BaseViewModel : ObservableObject
+    {
+        string title = string.Empty;
+
+        /// <summary>
+        /// Gets or sets the title.
+        /// </summary>
+        /// <value>The title.</value>
+        public string Title
+        {
+            get { return title; }
+            set { SetProperty(ref title, value); }
+        }
+
+        string subTitle = string.Empty;
+
+        /// <summary>
+        /// Gets or sets the subtitle.
+        /// </summary>
+        /// <value>The subtitle.</value>
+        public string Subtitle
+        {
+            get { return subTitle; }
+            set { SetProperty(ref subTitle, value); }
+        }
+
+        string icon = string.Empty;
+
+        /// <summary>
+        /// Gets or sets the icon.
+        /// </summary>
+        /// <value>The icon.</value>
+        public string Icon
+        {
+            get { return icon; }
+            set { SetProperty(ref icon, value); }
+        }
+
+        bool isBusy;
+
+        /// <summary>
+        /// Gets or sets a value indicating whether this instance is busy.
+        /// </summary>
+        /// <value><c>true</c> if this instance is busy; otherwise, <c>false</c>.</value>
+        public bool IsBusy
+        {
+            get { return isBusy; }
+            set 
+            { 
+                if (SetProperty(ref isBusy, value))
+                    IsNotBusy = !isBusy;
+            }
+        }
+
+        bool isNotBusy = true;
+
+        /// <summary>
+        /// Gets or sets a value indicating whether this instance is not busy.
+        /// </summary>
+        /// <value><c>true</c> if this instance is not busy; otherwise, <c>false</c>.</value>
+        public bool IsNotBusy
+        {
+            get { return isNotBusy; }
+            private set { SetProperty(ref isNotBusy, value); }
+        }
+
+        bool canLoadMore = true;
+
+       /// <summary>
+       /// Gets or sets a value indicating whether this instance can load more.
+       /// </summary>
+       /// <value><c>true</c> if this instance can load more; otherwise, <c>false</c>.</value>
+        public bool CanLoadMore
+        {
+            get { return canLoadMore; }
+            set { SetProperty(ref canLoadMore, value); }
+        }
+    }
+}
+
+

MvvmHelpers/Grouping.cs

@@ -0,0 +1,18 @@
+using System.Collections.ObjectModel;
+using System.Collections.Generic;
+
+namespace MvvmHelpers
+{
+    public class Grouping<T, TV> : ObservableCollection<TV>
+    {
+        public T Key { get; private set; }
+
+        public Grouping(T key, IList<TV> items)
+        {
+            Key = key;
+            foreach (var item in items)
+                Items.Add(item);
+        }
+    }
+}
+