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//
// MoveToUsagesHandler.cs
//
// Author:
// Mike Krüger <mkrueger@novell.com>
//
// Copyright (c) 2010 Novell, Inc (http://www.novell.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.Components.Commands;
using System.Linq;
using MonoDevelop.Ide;
using MonoDevelop.Ide.Gui.Content;
using Mono.TextEditor;
namespace MonoDevelop.CSharp.Highlighting
{
enum MoveToUsagesCommand {
PrevUsage,
NextUsage
}
class MoveToPrevUsageHandler : CommandHandler
{
protected override void Update (CommandInfo info)
{
MonoDevelop.Ide.Gui.Document doc = IdeApp.Workbench.ActiveDocument;
if (doc == null || doc.Editor == null) {
info.Visible = info.Enabled = false;
return;
}
info.Visible = info.Enabled = true;
}
internal static HighlightUsagesExtension GetHighlightUsageExtension (MonoDevelop.Ide.Gui.Document doc)
{
return doc.GetContent <HighlightUsagesExtension> ();
}
protected override void Run ()
{
MonoDevelop.Ide.Gui.Document doc = IdeApp.Workbench.ActiveDocument;
HighlightUsagesExtension ext = GetHighlightUsageExtension (doc);
if (ext == null)
return;
if (ext.IsTimerOnQueue)
ext.ForceUpdate ();
var caretOffset = doc.Editor.Caret.Offset;
for (int i = 0; i < ext.UsagesSegments.Count; i++) {
if (ext.UsagesSegments [i].TextSegment.Contains (caretOffset))
MoveToNextUsageHandler.MoveToSegment (doc, ext.UsagesSegments [(i + ext.UsagesSegments.Count - 1) % ext.UsagesSegments.Count]);
}
}
}
class MoveToNextUsageHandler : CommandHandler
{
protected override void Update (CommandInfo info)
{
MonoDevelop.Ide.Gui.Document doc = IdeApp.Workbench.ActiveDocument;
if (doc == null || doc.Editor == null) {
info.Visible = info.Enabled = false;
return;
}
info.Visible = info.Enabled = true;
}
protected override void Run ()
{
MonoDevelop.Ide.Gui.Document doc = IdeApp.Workbench.ActiveDocument;
HighlightUsagesExtension ext = MoveToPrevUsageHandler.GetHighlightUsageExtension (doc);
if (ext == null)
return;
if (ext.IsTimerOnQueue)
ext.ForceUpdate ();
if (ext == null || ext.Markers.Count == 0)
return;
var caretOffset = doc.Editor.Caret.Offset;
for (int i = 0; i < ext.UsagesSegments.Count; i++) {
if (ext.UsagesSegments [i].TextSegment.Contains (caretOffset))
MoveToNextUsageHandler.MoveToSegment (doc, ext.UsagesSegments [(i + 1) % ext.UsagesSegments.Count]);
}
}
public static void MoveToSegment (MonoDevelop.Ide.Gui.Document doc, TextSegment segment)
{
if (segment.IsInvalid || segment.IsEmpty)
return;
TextEditorData data = doc.Editor;
data.Caret.Offset = segment.Offset;
data.Parent.ScrollTo (segment.EndOffset);
var loc = data.Document.OffsetToLocation (segment.EndOffset);
if (data.Parent.TextViewMargin.ColumnToX (data.Document.GetLine (loc.Line), loc.Column) < data.HAdjustment.PageSize)
data.HAdjustment.Value = 0;
}
}
}
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