171 lines
7.9 KiB
PowerShell
171 lines
7.9 KiB
PowerShell
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function Set-DependencyProperty {
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[CmdletBinding()]
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PARAM(
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[Parameter(Position=0,Mandatory=$true)]
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$Property
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,
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[Parameter(Mandatory=$true,ValueFromPipeline=$true)]
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$Element
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,
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[Parameter()]
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[Switch]$Passthru
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)
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DYNAMICPARAM {
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$paramDictionary = new-object System.Management.Automation.RuntimeDefinedParameterDictionary
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$Param1 = new-object System.Management.Automation.RuntimeDefinedParameter
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$Param1.Name = "Value"
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# $Param1.Attributes.Add( (New-ParameterAttribute -Position 1) )
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$Param1.Attributes.Add( (New-Object System.Management.Automation.ParameterAttribute -Property @{ Position = 1 }) )
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## We maybe don't need to keep this in memory?
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# $DependencyProperties = Import-CliXml $PowerBootsPath\DependencyProperties.clixml
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if( $Property ) {
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if($Property.GetType() -eq ([System.Windows.DependencyProperty]) -or
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$Property.GetType().IsSubclassOf(([System.Windows.DependencyProperty])))
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{
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$Param1.ParameterType = $Property.PropertyType
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}
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elseif($Property -is [string] -and $Property.Contains(".")) {
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$Class,$Property = $Property.Split(".")
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if($DependencyProperties.ContainsKey($Property)){
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$type = $DependencyProperties[$Property] | ? { $_.DeclaringType -like "*$Class" }
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if($type) {
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$Param1.ParameterType = [type]@($type)[0].PropertyType
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}
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}
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} elseif($DependencyProperties.ContainsKey($Property)){
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if($Element) {
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$type = $DependencyProperties[$Property] | ? { $_.DeclaringType -eq $element.GetType() }
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if($type) {
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$Param1.ParameterType = [type]@($type)[0].PropertyType
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}
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} else {
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$Param1.ParameterType = [type]@($DependencyProperties[$Property])[0].PropertyType
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}
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}
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else
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{
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$Param1.ParameterType = [PSObject]
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}
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}
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else
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{
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$Param1.ParameterType = [PSObject]
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}
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$paramDictionary.Add("Value", $Param1)
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return $paramDictionary
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}
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PROCESS {
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trap {
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Write-Host "ERROR Setting Dependency Property" -Fore Red
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Write-Host "Trying to set $Property to $($Param1.Value)" -Fore Red
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continue
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}
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if($Property.GetType() -eq ([System.Windows.DependencyProperty]) -or
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$Property.GetType().IsSubclassOf(([System.Windows.DependencyProperty]))
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){
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trap {
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Write-Host "ERROR Setting Dependency Property" -Fore Red
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Write-Host "Trying to set $($Property.FullName) to $($Param1.Value)" -Fore Red
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continue
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}
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$Element.SetValue($Property, ($Param1.Value -as $Property.PropertyType))
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} else {
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$Class = ""
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if("$Property".Contains(".")) {
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$Class,$Property = "$Property".Split(".")
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}
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if($DependencyProperties.ContainsKey("$Property")){
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$fields = @($DependencyProperties[$Property] | ? { $_.DeclaringType -like "*$Class" -and ($Param1.Value -as ([type]$_.PropertyType))})
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if($fields.Count -eq 0 ) {
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$fields = @($DependencyProperties[$Property] | ? { $_.DeclaringType -like "*$Class" })
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}
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if($fields.Count) {
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$success = $false
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foreach($field in $fields) {
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trap {
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Write-Host "ERROR Setting Dependency Property" -Fore Red
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Write-Host "Trying to set $($field.DeclaringType)::$($field.Name) to $($Param1.Value) -as $($field.PropertyType)" -Fore Red
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continue
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}
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$Element.SetValue( ([type]$field.DeclaringType)::"$($field.Name)", ($Param1.Value -as ([type]$field.PropertyType)))
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if($?) { $success = $true; break }
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}
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if(!$success) { throw "food" }
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} else {
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Write-Host "Couldn't find the right property: $Class.$Property on $($Element.GetType().Name) of type $($field.PropertyType)" -Fore Red
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}
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} else {
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Write-Host "Unknown Dependency Property Key: $Property on $($Element.GetType().Name)" -Fore Red
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}
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}
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if( $Passthru ) {
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$Element
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}
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}
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}
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# SIG # Begin signature block
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# SIG # End signature block
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