split ProjectNode classes in separate files

1 files changed, 290 insertions, 0 deletions

diff --git a/CrowIDE/src/ProjectTree/ProjectFile.cs b/CrowIDE/src/ProjectTree/ProjectFile.cs
new file mode 100644
index 00000000..2c3dbbe4
--- /dev/null
+++ b/CrowIDE/src/ProjectTree/ProjectFile.cs
@@ -0,0 +1,290 @@
+//
+// ProjectNodes.cs
+//
+// Author:
+//       Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
+//
+// Copyright (c) 2013-2017 Jean-Philippe Bruyère
+//
+// 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 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.
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Xml;
+using System.IO;
+using Crow;
+using System.Threading;
+
+namespace Crow.Coding
+{	
+	public class ProjectFile : ProjectItem {		
+		protected bool isOpened = false;
+		DateTime accessTime;
+		string source;
+		string origSource;
+		object selectedItem;
+		int curLine, curColumn;
+
+		internal ReaderWriterLockSlim srcEditMtx = new ReaderWriterLockSlim();
+
+		public Dictionary<object, bool> RegisteredEditors = new Dictionary<object, bool>();
+		List<String> undoStack = new List<string>();
+		List<String> redoStack = new List<string>();
+
+		public Crow.Command cmdSave, cmdSaveAs, cmdOpen, cmdUndo, cmdRedo;
+
+		void initCommands (){
+			cmdSave = new Crow.Command (new Action (() => Save ()))
+			{ Caption = "Save", Icon = new SvgPicture ("#Crow.Coding.ui.icons.inbox.svg"), CanExecute = false };
+			cmdSaveAs = new Crow.Command (new Action (() => SaveAs ()))
+			{ Caption = "Save As ..", Icon = new SvgPicture ("#Crow.Coding.ui.icons.inbox.svg"), CanExecute = false };
+			cmdOpen = new Crow.Command (new Action (() => Open ())) 
+			{ Caption = "Open", Icon = new SvgPicture ("#Crow.Coding.ui.icons.outbox.svg"), CanExecute = false };
+			cmdUndo = new Crow.Command (new Action (() => Undo (null))) 
+			{ Caption = "Undo", Icon = new SvgPicture ("#Crow.Coding.icons.undo.svg"), CanExecute = false };
+			cmdRedo = new Crow.Command (new Action (() => Redo (null))) 
+			{ Caption = "Redo", Icon = new SvgPicture ("#Crow.Coding.icons.redo.svg"), CanExecute = false };
+
+			Commands.Insert (0, cmdOpen);
+			Commands.Insert (1, cmdSave);			
+		}
+		public ProjectFile () {
+			initCommands();
+		}
+		public ProjectFile (ProjectItem pi)
+			: base (pi.Project, pi.node) {
+			initCommands ();
+		}
+
+		public string ResourceID {
+			get {				
+				return Type != ItemType.EmbeddedResource ? null :
+					node.SelectSingleNode ("LogicalName") == null ?
+					Project.Name + "." + Path.Replace ('/', '.') :
+					LogicalName;
+			}
+		}
+		public string LogicalName {
+			get {
+				return node.SelectSingleNode ("LogicalName")?.InnerText;
+			}
+		}
+
+		public void UnregisterEditor (object editor){
+			lock(RegisteredEditors){
+				RegisteredEditors.Remove (editor);
+			}
+		}
+		public void RegisterEditor (object editor) {
+			lock(RegisteredEditors){
+				RegisteredEditors.Add (editor, false);
+			}
+		}
+		public void UpdateSource (object sender, string newSrc){
+			System.Diagnostics.Debug.WriteLine ("update source by {0}", sender);
+			Source = newSrc;
+			signalOtherRegisteredEditors (sender);
+		}
+		void signalOtherRegisteredEditors (object sender) {
+			lock (RegisteredEditors) {
+				object[] keys = RegisteredEditors.Keys.ToArray ();
+				foreach (object editor in keys) {
+					if (editor != sender)
+						RegisteredEditors [editor] = false;
+				}
+			}
+		}
+		public string Source {
+			get {
+				if (!isOpened)
+					Open ();
+				else {
+					if (DateTime.Compare (
+						    accessTime,
+						    System.IO.File.GetLastWriteTime (AbsolutePath)) < 0)
+						Console.WriteLine ("File has been modified outside CrowIDE");
+				}
+				return source;
+			}
+			set {
+				if (source == value)
+					return;
+				
+				srcEditMtx.EnterWriteLock ();
+
+				undoStack.Add (source);
+				cmdUndo.CanExecute = true;
+				redoStack.Clear ();
+				cmdRedo.CanExecute = false;
+				source = value;
+
+				NotifyValueChanged ("Source", source);
+				NotifyValueChanged ("IsDirty", IsDirty);
+
+				cmdSave.CanExecute = cmdSaveAs.CanExecute = IsDirty;
+
+				srcEditMtx.ExitWriteLock ();
+			}
+		}
+		public bool IsDirty {
+			get { return source != origSource; }
+		}
+		public int CurrentColumn{
+			get { return curColumn; }
+			set {
+				if (curColumn == value)
+					return;
+				curColumn = value;
+				NotifyValueChanged ("CurrentColumn", curColumn);
+			}
+		}
+		public int CurrentLine{
+			get { return curLine; }
+			set {
+				if (curLine == value)
+					return;
+				curLine = value;
+				NotifyValueChanged ("CurrentLine", curLine);
+			}
+		}
+
+		public object SelectedItem {
+			get { return selectedItem; }
+			set {
+				if (selectedItem == value)
+					return;
+				selectedItem= value;
+				Project.solution.SelectedItemElement = value;
+				NotifyValueChanged ("SelectedItem", selectedItem);
+			}
+		}
+
+		public CopyToOutputState CopyToOutputDirectory {
+			get {
+				XmlNode xn = node.SelectSingleNode ("CopyToOutputDirectory");
+				return xn == null ? CopyToOutputState.Never :
+					(CopyToOutputState)Enum.Parse (typeof(CopyToOutputState), xn.InnerText, true);
+			}
+		}
+
+		public void Open () {
+			accessTime = System.IO.File.GetLastWriteTime (AbsolutePath);
+			using (StreamReader sr = new StreamReader (AbsolutePath)) {
+				source = sr.ReadToEnd ();
+			}
+			isOpened = true;
+			origSource = source;
+			NotifyValueChanged ("IsDirty", false);
+		}
+		public void Save () {
+			if (!IsDirty)
+				return;
+			using (StreamWriter sw = new StreamWriter (AbsolutePath)) {
+				sw.Write (source);
+			}
+			origSource = source;
+			NotifyValueChanged ("IsDirty", false);
+		}
+		public void SaveAs () {
+			if (!IsDirty)
+				return;
+			using (StreamWriter sw = new StreamWriter (AbsolutePath)) {
+				sw.Write (source);
+			}
+			origSource = source;
+			NotifyValueChanged ("IsDirty", false);
+		}
+		public void Close () {
+			origSource = null;
+			isOpened = false;
+			Project.solution.CloseItem (this);
+		}
+		public void Undo(object sender){
+			undo();
+			signalOtherRegisteredEditors (sender);
+		}
+		public void Redo(object sender){
+			redo();
+			signalOtherRegisteredEditors (sender);
+		}
+
+		void undo () {			
+			if (undoStack.Count == 0)
+				return;
+			
+			srcEditMtx.EnterWriteLock ();
+			string step = undoStack [undoStack.Count -1];
+			redoStack.Add (source);
+			cmdRedo.CanExecute = true;
+			undoStack.RemoveAt(undoStack.Count -1);
+
+			source = step;
+
+			NotifyValueChanged ("Source", source);
+			NotifyValueChanged ("IsDirty", IsDirty);
+			cmdSave.CanExecute = IsDirty;
+
+			if (undoStack.Count == 0)
+				cmdUndo.CanExecute = false;
+			srcEditMtx.ExitWriteLock ();
+		}
+
+		void redo () {
+			if (redoStack.Count == 0)
+				return;
+			srcEditMtx.EnterWriteLock ();
+			string step = redoStack [redoStack.Count -1];
+			undoStack.Add (source);
+			cmdUndo.CanExecute = true;
+			redoStack.RemoveAt(redoStack.Count -1);
+			source = step;
+			NotifyValueChanged ("Source", source);
+			NotifyValueChanged ("IsDirty", IsDirty);
+			cmdSave.CanExecute = IsDirty;
+
+			if (redoStack.Count == 0)
+				cmdRedo.CanExecute = false;
+			srcEditMtx.ExitWriteLock ();
+
+		}
+
+
+		public void OnQueryClose (object sender, EventArgs e){
+			if (IsDirty) {
+				MessageBox mb = MessageBox.ShowModal (CrowIDE.MainIFace,
+					                MessageBox.Type.YesNoCancel, $"{DisplayName} has unsaved changes.\nSave it now?");
+				mb.Yes += onClickSaveAndCloseNow;
+				mb.No += onClickCloseNow;
+			} else
+				Close ();
+		}
+
+		void onClickCloseNow (object sender, EventArgs e)
+		{
+			Close ();
+		}
+
+		void onClickSaveAndCloseNow (object sender, EventArgs e)
+		{
+			Save ();
+			Close ();
+		}
+	}
+}
+