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Add-JsonToTreeView Source Code For Demo
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| function Show-jsonTreeView_psf { | |
| #---------------------------------------------- | |
| #region Import the Assemblies | |
| #---------------------------------------------- | |
| [void][reflection.assembly]::Load('System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a') | |
| [void][reflection.assembly]::Load('System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089') | |
| #endregion Import Assemblies | |
| #---------------------------------------------- | |
| #region Generated Form Objects | |
| #---------------------------------------------- | |
| [System.Windows.Forms.Application]::EnableVisualStyles() | |
| $formAddJsonToTreeviewDem = New-Object 'System.Windows.Forms.Form' | |
| $buttonLoadJSONString = New-Object 'System.Windows.Forms.Button' | |
| $buttonLoadJSONFromAPI = New-Object 'System.Windows.Forms.Button' | |
| $treeview1 = New-Object 'System.Windows.Forms.TreeView' | |
| $InitialFormWindowState = New-Object 'System.Windows.Forms.FormWindowState' | |
| #endregion Generated Form Objects | |
| #---------------------------------------------- | |
| # User Generated Script | |
| #---------------------------------------------- | |
| function Add-JsonToTreeview { | |
| ######################################################################################## | |
| # # | |
| # The MIT License # | |
| # # | |
| # Copyright (c) 2019 Matt Oestreich. http://mattoestreich.com # | |
| # # | |
| # Permission is hereby granted, free of charge, to any person obtaining a copy # | |
| # of this software and associated documentation files (the "Software"), to deal # | |
| # in the Software without restriction, including without limitation the rights # | |
| # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # | |
| # copies of the Software, and to permit persons to whom the Software is # | |
| # furnished to do so, subject to the following conditions: # | |
| # # | |
| # The above copyright notice, accreditation to Matt Oestreich, and this permission # | |
| # notice shall be included in all copies or substantial portions of the Software. # | |
| # # | |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # | |
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # | |
| # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # | |
| # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # | |
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # | |
| # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # | |
| # THE SOFTWARE. # | |
| # # | |
| ######################################################################################## | |
| <# | |
| .SYNOPSIS | |
| Add JSON to TreeView | |
| .DESCRIPTION | |
| Add JSON to TreeView (System.Windows.Forms.TreeView) Component | |
| .PARAMETER Json | |
| JSON data (`-Json` can be a `[String]` or converted JSON string (aka `[PsCustomObject]`) converted using `ConvertFrom-Json`). See examples for more details. | |
| .PARAMETER TreeView | |
| The TreeView (System.Windows.Forms.TreeView) that you want to add JSON to | |
| .PARAMETER ParentNode | |
| This is here for recursion - you will most likely not need to use this Parameter | |
| 9.99 times out of 10.00 you wil not need to use this Parameter | |
| .EXAMPLE | |
| PS C:\> $SomeTreeView = [System.Windows.Forms.TreeView]::new() | |
| PS C:\> $myJsonString = '{ "Root": [{ "Child1": "Value1" }, { "Child2": "Value2" }, { "Child3": "Value3" }] }' | |
| PS C:\> $myJsonConverted = $myJsonString | ConvertFrom-Json | |
| PS C:\> Add-JsonToTreeview -Json $myJsonConverted -TreeView $SomeTreeView | |
| .EXAMPLE | |
| PS C:\> $SomeTreeView = [System.Windows.Forms.TreeView]::new() | |
| PS C:\> $myJsonString = '{ "Root": [{ "Child1": "Value1" }, { "Child2": "Value2" }, { "Child3": "Value3" }] }' | |
| PS C:\> Add-JsonToTreeview -Json $myJsonString -TreeView $SomeTreeView | |
| .NOTES | |
| Matt Oestreich | http://mattoestreich.com | https://github.com/oze4 | |
| #> | |
| param ( | |
| [Parameter(Mandatory = $true)] | |
| $Json, | |
| [Parameter(Mandatory = $true)] | |
| [System.Windows.Forms.TreeView]$TreeView, | |
| [Parameter(Mandatory = $false)] | |
| [System.Windows.Forms.TreeNode]$ParentNode | |
| ) | |
| begin { | |
| function New-TreeViewNode { | |
| <# | |
| .DESCRIPTION | |
| Helper function to create TreeNode objects | |
| #> | |
| param ( | |
| [Parameter(Mandatory = $true)] | |
| [string]$Value | |
| ) | |
| $NewNode = [System.Windows.Forms.TreeNode]::new($Value) | |
| $NewNode.Name = $Value | |
| return $NewNode | |
| } | |
| function Add-ObjectToTreeView { | |
| <# | |
| .DESCRIPTION | |
| Helper function to add type `Object[]` to TreeView | |
| #> | |
| param ( | |
| [Parameter(Mandatory = $true)] | |
| [System.Object[]]$Object, | |
| [Parameter(Mandatory = $false)] | |
| [System.Windows.Forms.TreeNode]$AddToNode, | |
| [Parameter(Mandatory = $true)] | |
| [System.Windows.Forms.TreeView]$TargetTreeView | |
| ) | |
| $counter = 0 | |
| foreach ($objectProp in $Object) { | |
| if ((($objectProp | Get-Member -Type NoteProperty).Count) -gt 1) { | |
| $objectProp = "{ | |
| `"$($counter)`": $($objectProp | ConvertTo-Json) | |
| }" | |
| $counter++ | |
| } | |
| Add-JsonToTreeview -Json $objectProp -ParentNode $AddToNode -TreeView $TargetTreeView | |
| } | |
| } | |
| } | |
| process { | |
| switch ($Json.GetType().Name) { | |
| 'PsCustomObject' { | |
| foreach ($jsonProperty in $Json.PsObject.Properties) { | |
| $node = New-TreeViewNode -Value $jsonProperty.Name | |
| $addTo = $TreeView | |
| if ($ParentNode) { | |
| $addTo = $ParentNode | |
| } | |
| $addTo.Nodes.Add($node) | |
| if ($jsonProperty.GetType().Name -eq 'Object[]') { | |
| Add-ObjectToTreeView -Object $jsonProperty -AddToNode $node -TargetTreeView $TreeView | |
| } else { | |
| Add-JsonToTreeview -Json $jsonProperty.Value -ParentNode $node -TreeView $TreeView | |
| } | |
| } | |
| } | |
| 'Object[]' { | |
| Add-ObjectToTreeView -Object $Json -AddToNode $ParentNode -TargetTreeView $TreeView | |
| } | |
| 'String' { | |
| try { | |
| Add-JsonToTreeview -Json ($Json | ConvertFrom-Json) -ParentNode $ParentNode -TreeView $TreeView | |
| } catch { | |
| $addTo = $TreeView | |
| if ($ParentNode) { | |
| $addTo = $ParentNode | |
| } | |
| $addTo.Nodes.Add((New-TreeViewNode -Value $Json)) | |
| } | |
| } | |
| } # // switch | |
| if ($Json -is [ValueType]) { | |
| try { | |
| $addTo = $TreeView | |
| if ($ParentNode) { | |
| $addTo = $ParentNode | |
| } | |
| $addTo.Nodes.Add((New-TreeViewNode -Value $Json.ToString())) | |
| } catch { | |
| # only here to silence errors | |
| } | |
| } | |
| } | |
| } | |
| $buttonLoadJSONFromAPI_Click = { | |
| try { | |
| $url = "https://jsonplaceholder.typicode.com/todos/" | |
| $jsonResults = Invoke-RestMethod -Method Get -Uri $url | ConvertTo-Json | |
| $results = "{ `"API Data`": $($jsonResults) }" | |
| Add-JsonToTreeview -Json $results -TreeView $treeview1 | |
| } catch { | |
| Add-JsonToTreeview -Json "ERROR GETTING JSON FROM API" -TreeView $treeview1 | |
| } | |
| } | |
| $buttonLoadJSONString_Click={ | |
| $jsonData = '{ "Example Data": [{ "Child1": "Value1" }, { "Child2": "Value2" }, { "Child3": "Value3" }] }' | |
| Add-JsonToTreeview -Json $jsonData -TreeView $treeview1 | |
| } | |
| # --End User Generated Script-- | |
| #---------------------------------------------- | |
| #region Generated Events | |
| #---------------------------------------------- | |
| $Form_StateCorrection_Load= | |
| { | |
| #Correct the initial state of the form to prevent the .Net maximized form issue | |
| $formAddJsonToTreeviewDem.WindowState = $InitialFormWindowState | |
| } | |
| $Form_Cleanup_FormClosed= | |
| { | |
| #Remove all event handlers from the controls | |
| try | |
| { | |
| $buttonLoadJSONString.remove_Click($buttonLoadJSONString_Click) | |
| $buttonLoadJSONFromAPI.remove_Click($buttonLoadJSONFromAPI_Click) | |
| $formAddJsonToTreeviewDem.remove_Load($Form_StateCorrection_Load) | |
| $formAddJsonToTreeviewDem.remove_FormClosed($Form_Cleanup_FormClosed) | |
| } | |
| catch { Out-Null <# Prevent PSScriptAnalyzer warning #> } | |
| } | |
| #endregion Generated Events | |
| #---------------------------------------------- | |
| #region Generated Form Code | |
| #---------------------------------------------- | |
| $formAddJsonToTreeviewDem.SuspendLayout() | |
| # | |
| # formAddJsonToTreeviewDem | |
| # | |
| $formAddJsonToTreeviewDem.Controls.Add($buttonLoadJSONString) | |
| $formAddJsonToTreeviewDem.Controls.Add($buttonLoadJSONFromAPI) | |
| $formAddJsonToTreeviewDem.Controls.Add($treeview1) | |
| $formAddJsonToTreeviewDem.AutoScaleDimensions = '6, 13' | |
| $formAddJsonToTreeviewDem.AutoScaleMode = 'Font' | |
| $formAddJsonToTreeviewDem.ClientSize = '440, 606' | |
| $formAddJsonToTreeviewDem.MaximizeBox = $False | |
| $formAddJsonToTreeviewDem.MinimizeBox = $False | |
| $formAddJsonToTreeviewDem.Name = 'formAddJsonToTreeviewDem' | |
| $formAddJsonToTreeviewDem.Text = 'Add-JsonToTreeview | Demo' | |
| # | |
| # buttonLoadJSONString | |
| # | |
| $buttonLoadJSONString.Location = '214, 10' | |
| $buttonLoadJSONString.Name = 'buttonLoadJSONString' | |
| $buttonLoadJSONString.Size = '214, 31' | |
| $buttonLoadJSONString.TabIndex = 2 | |
| $buttonLoadJSONString.Text = 'Load JSON String' | |
| $buttonLoadJSONString.UseCompatibleTextRendering = $True | |
| $buttonLoadJSONString.UseVisualStyleBackColor = $True | |
| $buttonLoadJSONString.add_Click($buttonLoadJSONString_Click) | |
| # | |
| # buttonLoadJSONFromAPI | |
| # | |
| $buttonLoadJSONFromAPI.Location = '12, 10' | |
| $buttonLoadJSONFromAPI.Name = 'buttonLoadJSONFromAPI' | |
| $buttonLoadJSONFromAPI.Size = '196, 31' | |
| $buttonLoadJSONFromAPI.TabIndex = 1 | |
| $buttonLoadJSONFromAPI.Text = 'Load JSON From API' | |
| $buttonLoadJSONFromAPI.UseCompatibleTextRendering = $True | |
| $buttonLoadJSONFromAPI.UseVisualStyleBackColor = $True | |
| $buttonLoadJSONFromAPI.add_Click($buttonLoadJSONFromAPI_Click) | |
| # | |
| # treeview1 | |
| # | |
| $treeview1.Location = '12, 49' | |
| $treeview1.Name = 'treeview1' | |
| $treeview1.Size = '416, 545' | |
| $treeview1.TabIndex = 0 | |
| $formAddJsonToTreeviewDem.ResumeLayout() | |
| #endregion Generated Form Code | |
| #---------------------------------------------- | |
| #Save the initial state of the form | |
| $InitialFormWindowState = $formAddJsonToTreeviewDem.WindowState | |
| #Init the OnLoad event to correct the initial state of the form | |
| $formAddJsonToTreeviewDem.add_Load($Form_StateCorrection_Load) | |
| #Clean up the control events | |
| $formAddJsonToTreeviewDem.add_FormClosed($Form_Cleanup_FormClosed) | |
| #Show the Form | |
| return $formAddJsonToTreeviewDem.ShowDialog() | |
| } #End Function | |
| #Call the form | |
| Show-jsonTreeView_psf | Out-Null |
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