Merge pull request #127 from Rahix/fix-color-label-update

Fix not being able to update color and label of columns

Author: hacknus

src/gui.rs

@@ -320,11 +320,15 @@ impl MyApp {
  ui.vertical(|ui| {
  if let Ok(gui_data) = self.data_lock.read() {
  self.data = gui_data.clone();
- self.labels = gui_data.plots.iter().map(|d| d.0.clone()).collect();
- self.colors = (0..max(self.labels.len(), 1))
- .map(|i| COLORS[i % COLORS.len()])
- .collect();
- self.color_vals = (0..max(self.data.plots.len(), 1)).map(|_| 0.0).collect();
+ if self.data.plots.len() != self.labels.len() {
+ self.labels = gui_data.plots.iter().map(|d| d.0.clone()).collect();
+ }
+ if self.colors.len() != self.labels.len() {
+ self.colors = (0..max(self.labels.len(), 1))
+ .map(|i| COLORS[i % COLORS.len()])
+ .collect();
+ self.color_vals = (0..max(self.data.plots.len(), 1)).map(|_| 0.0).collect();
+ }
  }
 
  // TODO what about self.data.loaded_from_file