diff options
Diffstat (limited to 'main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor/Projection/ProjectedCompletionExtension.cs')
| -rw-r--r-- | main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor/Projection/ProjectedCompletionExtension.cs | 433 |
1 files changed, 433 insertions, 0 deletions
diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor/Projection/ProjectedCompletionExtension.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor/Projection/ProjectedCompletionExtension.cs new file mode 100644 index 0000000000..91f4b820a9 --- /dev/null +++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Editor/Projection/ProjectedCompletionExtension.cs @@ -0,0 +1,433 @@ +// +// ProjectedCompletionExtension.cs +// +// Author: +// Mike Krüger <mkrueger@xamarin.com> +// +// Copyright (c) 2015 Xamarin Inc. (http://xamarin.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 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 MonoDevelop.Ide.Editor.Extension; +using System.Collections.Generic; +using MonoDevelop.Ide.CodeCompletion; + + +namespace MonoDevelop.Ide.Editor.Projection +{ + sealed class ProjectedCompletionExtension : CompletionTextEditorExtension, IProjectionExtension + { + DocumentContext ctx; + IReadOnlyList<Projection> projections; + + public IReadOnlyList<Projection> Projections { + get { + return projections; + } + set { + projections = value; + } + } + + public ProjectedCompletionExtension (DocumentContext ctx, IReadOnlyList<Projection> projections) + { + if (projections == null) + throw new ArgumentNullException ("projections"); + this.ctx = ctx; + this.projections = projections; + } + + public override bool IsValidInContext (DocumentContext context) + { + var pctx = context as ProjectedDocumentContext; + if (pctx == null) + return false; + return pctx.ProjectedEditor.GetContent<CompletionTextEditorExtension> () != null; + } + + Projection GetProjectionAt (int offset) + { + foreach (var projection in projections) { + foreach (var seg in projection.ProjectedSegments) { + if (seg.ContainsOriginal (offset)) { + projection.ProjectedEditor.CaretOffset = seg.FromOriginalToProjected (offset); + return projection; + } + } + } + return null; + } + + CompletionTextEditorExtension GetExtensionAt (int offset) + { + var projection = GetProjectionAt (offset); + if (projection != null) { + var result = projection.ProjectedEditor.GetContent<CompletionTextEditorExtension> (); + if (result != null) { + result.CompletionWidget = new ProjectedCompletionWidget (CompletionWidget, projection); + } + return result; + } + return null; + } + + class ProjectedCompletionWidget : ICompletionWidget + { + readonly ICompletionWidget completionWidget; + readonly Projection projection; + + public ProjectedCompletionWidget (ICompletionWidget completionWidget, Projection projection) + { + if (completionWidget == null) + throw new ArgumentNullException ("completionWidget"); + if (projection == null) + throw new ArgumentNullException ("projection"); + this.projection = projection; + this.completionWidget = completionWidget; + } + + #region ICompletionWidget implementation + public double ZoomLevel { + get { + return completionWidget.ZoomLevel; + } + } + + event EventHandler ICompletionWidget.CompletionContextChanged { + add { + completionWidget.CompletionContextChanged += value; + } + remove { + completionWidget.CompletionContextChanged -= value; + } + } + + string ICompletionWidget.GetText (int startOffset, int endOffset) + { + return projection.ProjectedEditor.GetTextBetween (startOffset, endOffset); + } + + char ICompletionWidget.GetChar (int offset) + { + return projection.ProjectedEditor.GetCharAt (offset); + } + + void ICompletionWidget.Replace (int offset, int count, string text) + { + foreach (var seg in projection.ProjectedSegments) { + if (seg.ContainsProjected (offset)) { + offset = seg.FromProjectedToOriginal (offset); + break; + } + } + + completionWidget.Replace (offset, count, text); + } + + int ConvertOffset (int triggerOffset) + { + int result = triggerOffset; + foreach (var seg in projection.ProjectedSegments) { + if (seg.ContainsProjected (result)) { + result = seg.FromProjectedToOriginal (result); + break; + } + } + return result; + } + + int ProjectOffset (int offset) + { + int result = offset; + foreach (var seg in projection.ProjectedSegments) { + if (seg.ContainsOriginal (result)) { + result = seg.FromOriginalToProjected (result); + break; + } + } + return result; + + } + + CodeCompletionContext ICompletionWidget.CreateCodeCompletionContext (int triggerOffset) + { + var originalTriggerOffset = ConvertOffset (triggerOffset); + var completionContext = completionWidget.CreateCodeCompletionContext (originalTriggerOffset); + return ConvertContext (completionContext, projection); + } + + string ICompletionWidget.GetCompletionText (CodeCompletionContext ctx) + { + return completionWidget.GetCompletionText (ImportContext (ctx, projection)); + } + + void ICompletionWidget.SetCompletionText (CodeCompletionContext ctx, string partial_word, string complete_word) + { + completionWidget.SetCompletionText (ImportContext (ctx, projection), partial_word, complete_word); + } + + void ICompletionWidget.SetCompletionText (CodeCompletionContext ctx, string partial_word, string complete_word, int completeWordOffset) + { + completionWidget.SetCompletionText (ImportContext (ctx, projection), partial_word, complete_word, completeWordOffset); + } + + void ICompletionWidget.AddSkipChar (int cursorPosition, char c) + { + completionWidget.AddSkipChar (ProjectOffset (cursorPosition), c); + } + + CodeCompletionContext ICompletionWidget.CurrentCodeCompletionContext { + get { + return ConvertContext (completionWidget.CurrentCodeCompletionContext, projection); + } + } + + int ICompletionWidget.CaretOffset { + get { + return ConvertOffset (completionWidget.CaretOffset); + } + set { + completionWidget.CaretOffset = ProjectOffset (value); + } + } + + int ICompletionWidget.TextLength { + get { + return projection.ProjectedEditor.Length; + } + } + + int ICompletionWidget.SelectedLength { + get { + return completionWidget.SelectedLength; + } + } + + Gtk.Style ICompletionWidget.GtkStyle { + get { + return completionWidget.GtkStyle; + } + } + #endregion + } + + CompletionTextEditorExtension GetCurrentExtension () + { + return GetExtensionAt (Editor.CaretOffset); + } + + public override bool CanRunCompletionCommand () + { + var projectedExtension = GetCurrentExtension (); + if (projectedExtension == null) + return false; + return projectedExtension.CanRunCompletionCommand (); + } + + public override MonoDevelop.Ide.CodeCompletion.ICompletionDataList CodeCompletionCommand (MonoDevelop.Ide.CodeCompletion.CodeCompletionContext completionContext) + { + var projectedExtension = GetExtensionAt (completionContext.TriggerOffset); + if (projectedExtension == null) + return null; + return projectedExtension.CodeCompletionCommand (ConvertContext (completionContext)); + } + + public override bool CanRunParameterCompletionCommand () + { + var projectedExtension = GetCurrentExtension (); + if (projectedExtension == null) + return false; + return projectedExtension.CanRunParameterCompletionCommand (); + } + + public override string CompletionLanguage { + get { + var projectedExtension = GetCurrentExtension (); + if (projectedExtension == null) + return base.CompletionLanguage; + return projectedExtension.CompletionLanguage; + } + } + + public override bool GetCompletionCommandOffset (out int cpos, out int wlen) + { + var projectedExtension = GetCurrentExtension (); + if (projectedExtension == null) { + cpos = 0; + wlen = 0; + return false; + } + return projectedExtension.GetCompletionCommandOffset (out cpos, out wlen); + } + + public override int GetCurrentParameterIndex (int startOffset) + { + var projectedExtension = GetExtensionAt (startOffset); + if (projectedExtension == null) + return -1; + return projectedExtension.GetCurrentParameterIndex (startOffset); + } + + public override int GuessBestMethodOverload (ParameterHintingResult provider, int currentOverload) + { + var projectedExtension = GetCurrentExtension (); + if (projectedExtension == null) + return -1; + return projectedExtension.GuessBestMethodOverload (provider, currentOverload); + } + + public override System.Threading.Tasks.Task<MonoDevelop.Ide.CodeCompletion.ICompletionDataList> HandleCodeCompletionAsync (MonoDevelop.Ide.CodeCompletion.CodeCompletionContext completionContext, char completionChar, System.Threading.CancellationToken token) + { + var projectedExtension = GetExtensionAt (completionContext.TriggerOffset); + if (projectedExtension == null) + return null; + + return projectedExtension.HandleCodeCompletionAsync (ConvertContext (completionContext), completionChar, token); + } + + public override System.Threading.Tasks.Task<ParameterHintingResult> HandleParameterCompletionAsync (MonoDevelop.Ide.CodeCompletion.CodeCompletionContext completionContext, char completionChar, System.Threading.CancellationToken token) + { + var projectedExtension = GetExtensionAt (completionContext.TriggerOffset); + if (projectedExtension == null) + return null; + return projectedExtension.HandleParameterCompletionAsync (ConvertContext (completionContext), completionChar, token); + } + + public override bool KeyPress (KeyDescriptor descriptor) + { + projections = ctx.GetPartialProjectionsAsync ().Result; + var projectedExtension = GetCurrentExtension(); + if (projectedExtension != null) + return projectedExtension.KeyPress (descriptor); + return base.KeyPress (descriptor); + } + + public override ParameterHintingResult ParameterCompletionCommand (MonoDevelop.Ide.CodeCompletion.CodeCompletionContext completionContext) + { + var projectedExtension = GetExtensionAt (completionContext.TriggerOffset); + if (projectedExtension == null) + return null; + return projectedExtension.ParameterCompletionCommand (ConvertContext (completionContext)); + } + + public override void RunCompletionCommand () + { + var projectedExtension = GetCurrentExtension(); + if (projectedExtension == null) + return; + projectedExtension.RunCompletionCommand (); + } + + public override void RunParameterCompletionCommand () + { + var projectedExtension = GetCurrentExtension(); + if (projectedExtension == null) + return; + + projectedExtension.RunParameterCompletionCommand (); + } + + public override void RunShowCodeTemplatesWindow () + { + var projectedExtension = GetCurrentExtension(); + if (projectedExtension == null) + return; + projectedExtension.RunShowCodeTemplatesWindow (); + } + + public override MonoDevelop.Ide.CodeCompletion.ICompletionDataList ShowCodeSurroundingsCommand (MonoDevelop.Ide.CodeCompletion.CodeCompletionContext completionContext) + { + var projectedExtension = GetExtensionAt (completionContext.TriggerOffset); + if (projectedExtension == null) + return null; + return projectedExtension.ShowCodeSurroundingsCommand (ConvertContext (completionContext)); + } + + public override MonoDevelop.Ide.CodeCompletion.ICompletionDataList ShowCodeTemplatesCommand (MonoDevelop.Ide.CodeCompletion.CodeCompletionContext completionContext) + { + var projectedExtension = GetExtensionAt (completionContext.TriggerOffset); + if (projectedExtension == null) + return null; + return projectedExtension.ShowCodeTemplatesCommand (ConvertContext (completionContext)); + } + + CodeCompletionContext ConvertContext (CodeCompletionContext completionContext) + { + var projection = GetProjectionAt (completionContext.TriggerOffset); + return ConvertContext (completionContext, projection); + } + + static CodeCompletionContext ConvertContext (CodeCompletionContext completionContext, Projection projection) + { + int offset = completionContext.TriggerOffset; + int line = completionContext.TriggerLine; + int lineOffset = completionContext.TriggerLineOffset; + + if (projection != null) { + foreach (var seg in projection.ProjectedSegments) { + if (seg.ContainsOriginal (offset)) { + offset = seg.FromOriginalToProjected (offset); + var loc = projection.ProjectedEditor.OffsetToLocation (offset); + line = loc.Line; + lineOffset = loc.Column - 1; + } + } + } + + return new MonoDevelop.Ide.CodeCompletion.CodeCompletionContext { + TriggerOffset = offset, + TriggerLine = line, + TriggerLineOffset = lineOffset, + TriggerXCoord = completionContext.TriggerXCoord, + TriggerYCoord = completionContext.TriggerYCoord, + TriggerTextHeight = completionContext.TriggerTextHeight, + TriggerWordLength = completionContext.TriggerWordLength + }; + } + + static CodeCompletionContext ImportContext (CodeCompletionContext completionContext, Projection projection) + { + int offset = completionContext.TriggerOffset; + int line = completionContext.TriggerLine; + int lineOffset = completionContext.TriggerLineOffset; + + if (projection != null) { + foreach (var seg in projection.ProjectedSegments) { + if (seg.ContainsProjected (offset)) { + offset = seg.FromProjectedToOriginal (offset); + var loc = projection.ProjectedEditor.OffsetToLocation (offset); + line = loc.Line; + lineOffset = loc.Column - 1; + } + } + } + + return new MonoDevelop.Ide.CodeCompletion.CodeCompletionContext { + TriggerOffset = offset, + TriggerLine = line, + TriggerLineOffset = lineOffset, + TriggerXCoord = completionContext.TriggerXCoord, + TriggerYCoord = completionContext.TriggerYCoord, + TriggerTextHeight = completionContext.TriggerTextHeight, + TriggerWordLength = completionContext.TriggerWordLength + }; + } + } +}
\ No newline at end of file |