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Viewing changes to src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/LanguageItemTooltipProvider.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/LanguageItemTooltipProvider.cs
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// LanguageItemTooltipProvider.cs
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//
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// Author:
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//   Lluis Sanchez Gual <lluis@novell.com>
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//
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// Copyright (c) 2008 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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//
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using System;
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using Mono.TextEditor;
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using MonoDevelop.Ide.TypeSystem;
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using ICSharpCode.NRefactory.Semantics;
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namespace MonoDevelop.SourceEditor
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{
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        public class LanguageItemTooltipProvider: ITooltipProvider
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        {
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                public LanguageItemTooltipProvider()
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                {
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                }
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                #region ITooltipProvider implementation 
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                public TooltipItem GetItem (Mono.TextEditor.TextEditor editor, int offset)
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                {
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                        ExtensibleTextEditor ed = (ExtensibleTextEditor)editor;
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                        ICSharpCode.NRefactory.TypeSystem.DomRegion region;
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                        var resolveResult = ed.GetLanguageItem (offset, out region);
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                        if (resolveResult == null)
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                                return null;
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                        int startOffset = offset;
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                        int endOffset = offset;
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                        return new TooltipItem (resolveResult, startOffset, endOffset - startOffset);
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                }
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                ResolveResult lastResult = null;
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                LanguageItemWindow lastWindow = null;
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                public Gtk.Window CreateTooltipWindow (Mono.TextEditor.TextEditor editor, int offset, Gdk.ModifierType modifierState, TooltipItem item)
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                {
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                        var ed = (ExtensibleTextEditor)editor;
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                        var doc = ed.ParsedDocument;
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                        if (doc == null)
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                                return null;
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                        var resolveResult = (ResolveResult)item.Item;
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                        if (lastResult != null && lastWindow.IsRealized && 
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                            resolveResult != null && lastResult.Type.Equals (resolveResult.Type))
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                                return lastWindow;
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                        var result = new LanguageItemWindow (ed, modifierState, resolveResult, null, doc.ParsedFile);
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                        lastWindow = result;
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                        lastResult = resolveResult;
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                        if (result.IsEmpty)
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                                return null;
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                        return result;
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                }
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                public void GetRequiredPosition (Mono.TextEditor.TextEditor editor, Gtk.Window tipWindow, out int requiredWidth, out double xalign)
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                {
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                        LanguageItemWindow win = (LanguageItemWindow) tipWindow;
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                        requiredWidth = win.SetMaxWidth (win.Screen.Width);
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                        xalign = 0.5;
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                }
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                public bool IsInteractive (Mono.TextEditor.TextEditor editor, Gtk.Window tipWindow)
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                {
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                        return false;
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                }
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                #endregion 
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        }
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}