WPF ListView with text not clipped if next column is empty

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Hi,
In my multi column ListView I have certain rows with a very large text in the first column, but no text in all the following columns (I call them "HeaderRows") and below I have some rows where all columns are filled with some short textural information.

My problem is, that the first column of all the HeaderRows is clipped.

In Excel there is a solution that only populated cells will clip the content of the cell on it's left side.

Does anyone have an idea how such a behaviour can be achieved with a ListView?

Thanks in advance and greetings from germany,

Helmut

Posted 22-Sep-11 0:42am

HelmutBerg

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Ian Shlasko · Answer 1 · 2011-09-22T06:17:00

If you're doing it with a GridView, I don't know of a solution to that little issue...

But if you delve into the ItemTemplate and handle the columns yourself, you might be able to hack something like that in...

XML

<ListView.ItemTemplate>
  <DataTemplate DataType="...">
    <Grid>
      <Grid.ColumnDefinitions>
        <ColumnDefinition Width="Auto" SharedSizeGroup="..."/>
        <ColumnDefinition Width="*"/>
        <ColumnDefinition Width="*"/>
      </Grid.ColumnDefinitions>
      <TextBlock Grid.Column="0" Text="{Binding col0Text}"
                 Grid.ColumnSpan="{Binding col1Text,Converter={StaticResource cnvOneOrTwo}"
      />
      <TextBlock Grid.Column="1" Text="{Binding col1Text}"/>
      <TextBlock Grid.Column="2" Text="{Binding col2Text}"/>
    </Grid>
  </DataTemplate>
</ListView.ItemTemplate>

(Note: Code entered here, so not tested/debugged)

Basically, create a custom IValueConverter that would take the contents of the NEXT column as an argument, and return 1 if it's populated or 2 if it's empty. You could even pass the entire bound record, and have your converter check each column for data and determine the correct ColumnSpan.

It's not a one-line solution, but it might do the trick.