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Fix select result when there is no results

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part of #412
This commit is contained in:
bao-qian
2016-05-06 00:00:15 +01:00
parent d536377329
commit a4c0e0a59c
1 changed files with 18 additions and 20 deletions
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38
Wox/ViewModel/ResultsViewModel.cs
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@@ -118,7 +118,7 @@ namespace Wox.ViewModel
public void SelectNextResult() public void SelectNextResult()
{ {
if (SelectedResult != null) if (Results.Count > 0 && SelectedResult != null)
{ {
var index = Results.IndexOf(SelectedResult); var index = Results.IndexOf(SelectedResult);
if (index == Results.Count - 1) if (index == Results.Count - 1)
@@ -131,7 +131,7 @@ namespace Wox.ViewModel
public void SelectPrevResult() public void SelectPrevResult()
{ {
if (SelectedResult != null) if (Results.Count > 0 && SelectedResult != null)
{ {
var index = Results.IndexOf(SelectedResult); var index = Results.IndexOf(SelectedResult);
if (index == 0) if (index == 0)
@@ -144,32 +144,30 @@ namespace Wox.ViewModel
public void SelectNextPage() public void SelectNextPage()
{ {
var index = 0; if (Results.Count > 0 && SelectedResult != null)
if (SelectedResult != null)
{ {
index = Results.IndexOf(SelectedResult); var index = Results.IndexOf(SelectedResult);
index += 5;
if (index > Results.Count - 1)
{
index = Results.Count - 1;
}
SelectedResult = Results.ElementAt(index);
} }
index += 5;
if (index > Results.Count - 1)
{
index = Results.Count - 1;
}
SelectedResult = Results.ElementAt(index);
} }
public void SelectPrevPage() public void SelectPrevPage()
{ {
var index = 0; if (Results.Count > 0 && SelectedResult != null)
if (SelectedResult != null)
{ {
index = Results.IndexOf(SelectedResult); var index = Results.IndexOf(SelectedResult);
index -= 5;
if (index < 0)
{
index = 0;
}
SelectedResult = Results.ElementAt(index);
} }
index -= 5;
if (index < 0)
{
index = 0;
}
SelectedResult = Results.ElementAt(index);
} }
public void Clear() public void Clear()