Merge pull request #3 from aglasencnik/dev

Implemented graph export functionality

.gitignore

@@ -78,7 +78,6 @@ StyleCopReport.xml
 *.obj
 *.iobj
 *.pch
-*.pdb
 *.ipdb
 *.pgc
 *.pgd

GraphvizVS/CommandHandlers/TypeCharCommandHandler.cs

@@ -0,0 +1,50 @@
+using Microsoft.VisualStudio.Commanding;
+using Microsoft.VisualStudio.Text.Editor;
+using Microsoft.VisualStudio.Utilities;
+using System.ComponentModel.Composition;
+using System.IO;
+using Microsoft.VisualStudio.Text;
+using Microsoft.VisualStudio.Text.Editor.Commanding.Commands;
+
+namespace GraphvizVS.CommandHandlers;
+
+/// <summary>
+/// Represents the command handler for char commands.
+/// </summary>
+[Export(typeof(ICommandHandler))]
+[Name(nameof(TypeCharCommandHandler))]
+[ContentType(ContentTypes.Text)]
+[TextViewRole(PredefinedTextViewRoles.PrimaryDocument)]
+internal sealed class TypeCharCommandHandler : ICommandHandler<TypeCharCommandArgs>
+{
+    /// <summary>
+    /// Gets the display name of the command handler.
+    /// </summary>
+    public string DisplayName => Vsix.Name;
+
+    /// <summary>
+    /// Executes command handler.
+    /// </summary>
+    /// <param name="args">TypeCharCommandArgs object</param>
+    /// <param name="executionContext">CommandExecutionContext object</param>
+    /// <returns>Whether key was overriden successfully.</returns>
+    public bool ExecuteCommand(TypeCharCommandArgs args, CommandExecutionContext executionContext)
+    {
+        var typedChar = args.TypedChar;
+        var fileExtension = Path.GetExtension(args.SubjectBuffer.GetFileName() ?? "");
+        if (!string.IsNullOrWhiteSpace(fileExtension) && (fileExtension == ".dot" || fileExtension == ".DOT") && (typedChar == '/' || typedChar == '-'))
+        {
+            args.TextView.TextBuffer.Insert(args.TextView.Caret.Position.BufferPosition, typedChar == '/' ? "//" : "->");
+            return true;
+        }
+
+        return false;
+    }
+
+    /// <summary>
+    /// Determines whether command handler is enabled.
+    /// </summary>
+    /// <param name="args">TypeCharCommandArgs object</param>
+    /// <returns>CommandState object</returns>
+    public CommandState GetCommandState(TypeCharCommandArgs args) => CommandState.Available;
+}

GraphvizVS/Commands/ExportGraphCommand.cs

@@ -0,0 +1,90 @@
+using System.Collections.Generic;
+using System.IO;
+using CliWrap;
+using GraphvizVS.Helpers;
+using GraphvizVS.Options;
+using Microsoft.VisualStudio.Imaging;
+using Microsoft.VisualStudio.Text;
+using Microsoft.Win32;
+
+namespace GraphvizVS.Commands;
+
+/// <summary>
+/// Represents the command to export the graph to a file.
+/// </summary>
+[Command(PackageIds.ExportGraphCommand)]
+internal sealed class ExportGraphCommand : BaseCommand<ExportGraphCommand>
+{
+    /// <summary>
+    /// Executes the command.
+    /// </summary>
+    /// <param name="e">OleMenuCmdEventArgs object.</param>
+    /// <returns>A task that represents the asynchronous operation.</returns>
+    protected override async Task ExecuteAsync(OleMenuCmdEventArgs e)
+    {
+        var docView = await VS.Documents.GetActiveDocumentViewAsync();
+        if (docView?.TextView is null)
+            return;
+
+        try
+        {
+            var activeDocumentPath = DocumentHelper.GetActiveDocumentPath();
+            var activeDocumentExtension = Path.GetExtension(activeDocumentPath);
+            if (string.IsNullOrWhiteSpace(activeDocumentExtension) || activeDocumentExtension.ToLower() != ".dot")
+                return;
+
+            var saveFileDialog = new SaveFileDialog
+            {
+                Title = "Select graph save location",
+                Filter = OutputFormatHelper.GetFilter()
+            };
+
+            var dialogResult = saveFileDialog.ShowDialog();
+            if (dialogResult is null || !dialogResult.Value || string.IsNullOrWhiteSpace(saveFileDialog.FileName))
+                return;
+
+            var fileName = saveFileDialog.FileName;
+            if (string.IsNullOrWhiteSpace(fileName))
+                return;
+
+            var flags = new List<string>();
+
+            if (!string.IsNullOrWhiteSpace(GeneralOptions.Instance.AdditionalFlags))
+                flags.Add(GeneralOptions.Instance.AdditionalFlags);
+
+            flags.Add(OutputFormatHelper.GetOutputFormatArgument());
+            flags.Add(activeDocumentPath);
+            flags.AddRange(["-o", fileName]);
+
+            var result = await Cli.Wrap(CommandLineHelper.GetEnginePath())
+                .WithArguments(flags)
+                .ExecuteAsync();
+
+            if (result.IsSuccess)
+                await VS.MessageBox.ShowAsync("Graph export was successful!");
+            else
+                await VS.MessageBox.ShowErrorAsync("Graph export has failed!");
+        }
+        catch (Exception ex)
+        {
+            var infoBar = await docView.TextView.CreateInfoBarAsync(
+                new InfoBarModel([new InfoBarTextSpan("Something went wrong while exporting graph!")], KnownMonikers.DiagramError)
+            );
+
+            if (infoBar != null) 
+                await infoBar.TryShowInfoBarUIAsync();
+
+            await ex.LogAsync();
+        }
+    }
+
+    /// <summary>
+    /// Executes after the initialization of the command.
+    /// </summary>
+    /// <returns>A task that represents the asynchronous operation.</returns>
+    protected override Task InitializeCompletedAsync()
+    {
+        Command.Supported = false;
+        return base.InitializeCompletedAsync();
+    }
+}

GraphvizVS/Commands/OpenGraphPreviewWindowCommand.cs

@@ -0,0 +1,20 @@
+using GraphvizVS.ToolWindows;
+
+namespace GraphvizVS.Commands;
+
+/// <summary>
+/// Represents the command to open the graph preview window.
+/// </summary>
+[Command(PackageIds.OpenGraphPreviewWindowCommand)]
+internal sealed class OpenGraphPreviewWindowCommand : BaseCommand<OpenGraphPreviewWindowCommand>
+{
+    /// <summary>
+    /// Executes the command.
+    /// </summary>
+    /// <param name="e">OleMenuCmdEventArgs object.</param>
+    /// <returns>A task that represents the asynchronous operation.</returns>
+    protected override async Task ExecuteAsync(OleMenuCmdEventArgs e)
+    {
+        await GraphPreviewWindow.ShowAsync();
+    }
+}

GraphvizVS/Enums/LayoutEngine.cs

@@ -0,0 +1,19 @@
+namespace GraphvizVS.Enums;
+
+/// <summary>
+/// Represents the layout engine.
+/// </summary>
+public enum LayoutEngine
+{
+    Dot,
+    Neato,
+    Fdp,
+    Sfdp,
+    Circo,
+    Twopi,
+    Nop,
+    Nop2,
+    Osage,
+    Patchwork,
+    Custom
+}

GraphvizVS/Enums/OutputFormat.cs

@@ -0,0 +1,63 @@
+namespace GraphvizVS.Enums;
+
+/// <summary>
+/// Represents the output format.
+/// </summary>
+public enum OutputFormat
+{
+    BMP,
+    CGIMAGE,
+    CANON,
+    DOT,
+    GV,
+    XDOT,
+    XDOT12,
+    XDOT14,
+    EPS,
+    EXR,
+    FIG,
+    GD,
+    GD2,
+    GIF,
+    GTK,
+    ICO,
+    IMAP,
+    IMAP_NP,
+    ISMAP,
+    CMAP,
+    CMAPX,
+    CMAPX_NP,
+    JPG,
+    JPEG,
+    JPE,
+    JP2,
+    JSON,
+    JSON0,
+    DOT_JSON,
+    XDOT_JSON,
+    PDF,
+    PIC,
+    PCT,
+    PICT,
+    PLAIN,
+    PLAIN_EXT,
+    PNG,
+    POV,
+    PS,
+    PS2,
+    PSD,
+    SGI,
+    SVG,
+    SVGZ,
+    TGA,
+    TIF,
+    TIFF,
+    TK,
+    VML,
+    VMLZ,
+    VRML,
+    WBMP,
+    WEBP,
+    XLIB,
+    X11
+}

GraphvizVS/Enums/RuntimeType.cs

@@ -0,0 +1,11 @@
+namespace GraphvizVS.Enums;
+
+/// <summary>
+/// Represents the type of the runtime.
+/// </summary>
+public enum RuntimeType
+{
+    Ebedded,
+    Local,
+    Custom
+}