- Added context menu that can be opened in 2 ways: a) right clicking …

…a file on standalone platforms or b) clicking the More Options button located at the top-right corner. Context menu has the following buttons:

  - Select All (only when multi selection is enabled and More Options button is clicked)
  - Deselect All (only when more than 1 items are selected and More Options button is clicked)
  - New Folder (closed #25)
  - Delete (only when 1 or more items are selected)
  - Rename (only when 1 item is selected)

Plugins/SimpleFileBrowser/Scripts/FileBrowserContextMenu.cs

@@ -0,0 +1,118 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace SimpleFileBrowser
+{
+	public class FileBrowserContextMenu : MonoBehaviour
+	{
+#pragma warning disable 0649
+		[SerializeField]
+		private FileBrowser fileBrowser;
+
+		[SerializeField]
+		private RectTransform rectTransform;
+
+		[SerializeField]
+		private Button selectAllButton;
+		[SerializeField]
+		private Button deselectAllButton;
+		[SerializeField]
+		private Button deleteButton;
+		[SerializeField]
+		private Button renameButton;
+
+		[SerializeField]
+		private GameObject selectAllButtonSeparator;
+
+		[SerializeField]
+		private float minDistanceToEdges = 10f;
+#pragma warning restore 0649
+
+		internal void Show( bool selectAllButtonVisible, bool deselectAllButtonVisible, bool deleteButtonVisible, bool renameButtonVisible, Vector2 position, bool isMoreOptionsMenu )
+		{
+			selectAllButton.gameObject.SetActive( selectAllButtonVisible );
+			deselectAllButton.gameObject.SetActive( deselectAllButtonVisible );
+			deleteButton.gameObject.SetActive( deleteButtonVisible );
+			renameButton.gameObject.SetActive( renameButtonVisible );
+			selectAllButtonSeparator.SetActive( !deselectAllButtonVisible );
+
+			rectTransform.anchoredPosition = position;
+			gameObject.SetActive( true );
+
+			if( isMoreOptionsMenu )
+				rectTransform.pivot = Vector2.one;
+			else
+			{
+				// Find the optimal pivot value
+				LayoutRebuilder.ForceRebuildLayoutImmediate( rectTransform );
+
+				Vector2 size = rectTransform.sizeDelta;
+				Vector2 canvasSize = fileBrowser.rectTransform.sizeDelta;
+
+				// Take canvas' Pivot into consideration
+				Vector2 positionOffset = canvasSize;
+				positionOffset.Scale( fileBrowser.rectTransform.pivot );
+				position += positionOffset;
+
+				// Try bottom-right corner first
+				Vector2 cornerPos = position + new Vector2( size.x + minDistanceToEdges, -size.y - minDistanceToEdges );
+				if( cornerPos.x <= canvasSize.x && cornerPos.y >= 0f )
+					rectTransform.pivot = new Vector2( 0f, 1f );
+				else
+				{
+					// Try bottom-left corner
+					cornerPos = position - new Vector2( size.x + minDistanceToEdges, size.y + minDistanceToEdges );
+					if( cornerPos.x >= 0f && cornerPos.y >= 0f )
+						rectTransform.pivot = Vector2.one;
+					else
+					{
+						// Try top-right corner
+						cornerPos = position + new Vector2( size.x + minDistanceToEdges, size.y + minDistanceToEdges );
+						if( cornerPos.x <= canvasSize.x && cornerPos.y <= canvasSize.y )
+							rectTransform.pivot = Vector2.zero;
+						else
+						{
+							// Use top-left corner
+							rectTransform.pivot = new Vector2( 1f, 0f );
+						}
+					}
+				}
+			}
+		}
+
+		public void Hide()
+		{
+			gameObject.SetActive( false );
+		}
+
+		public void OnSelectAllButtonClicked()
+		{
+			Hide();
+			fileBrowser.SelectAllFiles();
+		}
+
+		public void OnDeselectAllButtonClicked()
+		{
+			Hide();
+			fileBrowser.DeselectAllFiles();
+		}
+
+		public void OnCreateFolderButtonClicked()
+		{
+			Hide();
+			fileBrowser.CreateNewFolder();
+		}
+
+		public void OnDeleteButtonClicked()
+		{
+			Hide();
+			fileBrowser.DeleteSelectedFiles();
+		}
+
+		public void OnRenameButtonClicked()
+		{
+			Hide();
+			fileBrowser.RenameSelectedFile();
+		}
+	}
+}

Plugins/SimpleFileBrowser/Scripts/FileBrowserDeleteConfirmationPanel.cs

@@ -0,0 +1,104 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace SimpleFileBrowser
+{
+	public class FileBrowserDeleteConfirmationPanel : MonoBehaviour
+	{
+		public delegate void OnDeletionConfirmed();
+
+#pragma warning disable 0649
+		[SerializeField]
+		private GameObject[] deletedItems;
+
+		[SerializeField]
+		private Image[] deletedItemIcons;
+
+		[SerializeField]
+		private Text[] deletedItemNames;
+
+		[SerializeField]
+		private GameObject deletedItemsRest;
+
+		[SerializeField]
+		private Text deletedItemsRestLabel;
+
+		[SerializeField]
+		private RectTransform yesButtonTransform;
+
+		[SerializeField]
+		private RectTransform noButtonTransform;
+
+		[SerializeField]
+		private float narrowScreenWidth = 380f;
+#pragma warning restore 0649
+
+		private OnDeletionConfirmed onDeletionConfirmed;
+
+		internal void Show( Sprite[] icons, string[] filenames, OnDeletionConfirmed onDeletionConfirmed )
+		{
+			this.onDeletionConfirmed = onDeletionConfirmed;
+
+			for( int i = 0; i < deletedItems.Length; i++ )
+				deletedItems[i].SetActive( i < icons.Length );
+
+			for( int i = 0; i < deletedItems.Length && i < icons.Length; i++ )
+			{
+				deletedItemIcons[i].sprite = icons[i];
+				deletedItemNames[i].text = filenames[i];
+			}
+
+			if( icons.Length > deletedItems.Length )
+			{
+				deletedItemsRestLabel.text = string.Concat( "...and ", ( icons.Length - deletedItems.Length ).ToString(), " other" );
+				deletedItemsRest.SetActive( true );
+			}
+			else
+				deletedItemsRest.SetActive( false );
+
+			gameObject.SetActive( true );
+		}
+
+		// Handles responsive user interface
+		internal void OnCanvasDimensionsChanged( Vector2 size )
+		{
+			if( size.x >= narrowScreenWidth )
+			{
+				yesButtonTransform.anchorMin = new Vector2( 0.5f, 0f );
+				yesButtonTransform.anchorMax = new Vector2( 0.75f, 1f );
+				noButtonTransform.anchorMin = new Vector2( 0.75f, 0f );
+			}
+			else
+			{
+				yesButtonTransform.anchorMin = Vector2.zero;
+				yesButtonTransform.anchorMax = new Vector2( 0.5f, 1f );
+				noButtonTransform.anchorMin = new Vector2( 0.5f, 0f );
+			}
+		}
+
+#if UNITY_EDITOR || UNITY_STANDALONE || UNITY_WSA || UNITY_WSA_10_0
+		private void LateUpdate()
+		{
+			// Handle keyboard shortcuts
+			if( Input.GetKeyDown( KeyCode.Return ) || Input.GetKeyDown( KeyCode.KeypadEnter ) )
+				YesButtonClicked();
+
+			if( Input.GetKeyDown( KeyCode.Escape ) )
+				NoButtonClicked();
+		}
+#endif
+
+		public void YesButtonClicked()
+		{
+			gameObject.SetActive( false );
+
+			if( onDeletionConfirmed != null )
+				onDeletionConfirmed();
+		}
+
+		public void NoButtonClicked()
+		{
+			gameObject.SetActive( false );
+		}
+	}
+}

Plugins/SimpleFileBrowser/Scripts/FileBrowserItem.cs

@@ -88,6 +88,24 @@ private void Update()
 		#region Pointer Events
 		public void OnPointerClick( PointerEventData eventData )
 		{
+#if UNITY_EDITOR || UNITY_STANDALONE || UNITY_WSA || UNITY_WSA_10_0
+			if( eventData.button == PointerEventData.InputButton.Middle )
+				return;
+			else if( eventData.button == PointerEventData.InputButton.Right )
+			{
+				// First, select the item
+				if( !isSelected )
+				{
+					prevClickTime = 0f;
+					fileBrowser.OnItemSelected( this, false );
+				}
+
+				// Then, show the context menu
+				fileBrowser.OnContextMenuTriggered();
+				return;
+			}
+#endif
+
 			if( Time.realtimeSinceStartup - prevClickTime < DOUBLE_CLICK_TIME )
 			{
 				prevClickTime = 0f;
@@ -102,11 +120,21 @@ public void OnPointerClick( PointerEventData eventData )
 
 		public void OnPointerDown( PointerEventData eventData )
 		{
+#if UNITY_EDITOR || UNITY_STANDALONE || UNITY_WSA || UNITY_WSA_10_0
+			if( eventData.button != PointerEventData.InputButton.Left )
+				return;
+#endif
+
 			pressTime = Time.realtimeSinceStartup;
 		}
 
 		public void OnPointerUp( PointerEventData eventData )
 		{
+#if UNITY_EDITOR || UNITY_STANDALONE || UNITY_WSA || UNITY_WSA_10_0
+			if( eventData.button != PointerEventData.InputButton.Left )
+				return;
+#endif
+
 			if( pressTime == Mathf.Infinity )
 			{
 				// We have activated MultiSelectionToggleSelectionMode with this press, processing the click would result in

Plugins/SimpleFileBrowser/Scripts/FileBrowserRenamedItem.cs

@@ -0,0 +1,59 @@
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.UI;
+
+namespace SimpleFileBrowser
+{
+	public class FileBrowserRenamedItem : MonoBehaviour
+	{
+		public delegate void OnRenameCompleted( string filename );
+
+#pragma warning disable 0649
+		[SerializeField]
+		private Image background;
+
+		[SerializeField]
+		private Image icon;
+
+		[SerializeField]
+		private InputField nameInputField;
+#pragma warning restore 0649
+
+		private OnRenameCompleted onRenameCompleted;
+
+		public void Show( string initialFilename, Color backgroundColor, Sprite icon, OnRenameCompleted onRenameCompleted )
+		{
+			background.color = backgroundColor;
+			this.icon.sprite = icon;
+			this.onRenameCompleted = onRenameCompleted;
+
+			transform.SetAsLastSibling();
+			gameObject.SetActive( true );
+
+			nameInputField.text = initialFilename;
+			nameInputField.ActivateInputField();
+		}
+
+#if UNITY_EDITOR || UNITY_STANDALONE || UNITY_WSA || UNITY_WSA_10_0
+		private void LateUpdate()
+		{
+			// Don't allow scrolling with mouse wheel while renaming a file or creating a folder
+			if( Input.mouseScrollDelta.y != 0f )
+				nameInputField.DeactivateInputField();
+		}
+#endif
+
+		public void OnInputFieldEndEdit( string filename )
+		{
+			gameObject.SetActive( false );
+
+			// If we don't deselect the InputField manually, FileBrowser's keyboard shortcuts
+			// no longer work until user clicks on a UI element and thus, deselects the InputField
+			if( !EventSystem.current.alreadySelecting && EventSystem.current.currentSelectedGameObject == nameInputField.gameObject )
+				EventSystem.current.SetSelectedGameObject( null );
+
+			if( onRenameCompleted != null )
+				onRenameCompleted( filename );
+		}
+	}
+}

Plugins/SimpleFileBrowser/Scripts/NonDrawingGraphic.cs

@@ -0,0 +1,19 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace SimpleFileBrowser
+{
+	// Credit: http://answers.unity.com/answers/1157876/view.html
+	[RequireComponent( typeof( CanvasRenderer ) )]
+	public class NonDrawingGraphic : Graphic
+	{
+		public override void SetMaterialDirty() { return; }
+		public override void SetVerticesDirty() { return; }
+
+		protected override void OnPopulateMesh( VertexHelper vh )
+		{
+			vh.Clear();
+			return;
+		}
+	}
+}