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[Samples] Fix the completion entry code, Matchfunc was not correctly used. Added insensitive entry sample.

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This commit is contained in:
Pedro Larouca 2018-03-21 02:25:53 +00:00
parent 1aca72726b
commit 178b18aaeb
1 changed files with 32 additions and 34 deletions
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66
Source/Samples/Sections/Widgets/EntrySection.cs
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@ -18,6 +18,7 @@ namespace Samples
AddItem(CreateCustomActionsEntry()); AddItem(CreateCustomActionsEntry());
AddItem(CreateProgressEntry()); AddItem(CreateProgressEntry());
AddItem(CreateCompletionEntry()); AddItem(CreateCompletionEntry());
AddItem(CreateInsensitiveEntry());
} }
public (string, Widget) CreateSimpleEntry() public (string, Widget) CreateSimpleEntry()
@ -123,44 +124,41 @@ namespace Samples
store.AppendValues("Better and bigger example"); store.AppendValues("Better and bigger example");
store.AppendValues("Some other example"); store.AppendValues("Some other example");
// create tree column
var column = new TreeViewColumn();
column.Reorderable = false;
column.SortIndicator = false;
column.Clickable = true;
column.SortColumnId = 0;
// create cells
var cell = new CellRendererText();
column.PackStart(cell, true);
// set cell functions
column.SetCellDataFunc(cell, (TreeViewColumn tree_column, CellRenderer cellRenderer, ITreeModel tree_model, TreeIter iter) =>
{
var m = tree_model.GetValue(iter, 0);
(cellRenderer as CellRendererText).Text = (string)m;
});
// model filter
var filter = new TreeModelFilter(store, null);
filter.VisibleFunc = (model, iter) =>
{
if (string.IsNullOrEmpty(entry.Text))
return true;
var o = model.GetValue(iter, 0);
var searchString = o as string;
if (!string.IsNullOrEmpty(searchString))
return searchString.StartsWith(entry.Text, System.StringComparison.InvariantCultureIgnoreCase);
return true;
};
// assign treemodel as the completion // assign treemodel as the completion
completion.Model = filter; completion.Model = store;
// lets override the default match function so we can use the contains mode
// instead of the default startswith
completion.MatchFunc = EntryCompletionMatchFunc;
completion.TextColumn = 0; completion.TextColumn = 0;
return ("Completion Entry:",entry); return ("Completion Entry:",entry);
} }
private bool EntryCompletionMatchFunc(EntryCompletion completion, string key, TreeIter iter)
{
if (string.IsNullOrEmpty(key))
return false;
var o = completion.Model.GetValue(iter, 0);
var stringToSearch = o as string;
if (!string.IsNullOrEmpty(stringToSearch))
return stringToSearch.IndexOf(key, System.StringComparison.InvariantCultureIgnoreCase) >= 0;
return false;
}
public (string, Widget) CreateInsensitiveEntry()
{
var entry = new Entry();
entry.Text = "Cannot change this";
entry.Sensitive = false;
return ("Insensitive entry:", entry);
}
} }
} }