detach

public virtual void detach(View view)

Parameters

view

The view to detach from the model.

Detaches an attached view from the model. When the model data changes (such as via Model.updateAll()), the detached view(s) will no longer be updated.

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import System; import Altitude.Frontend;   // Create the model class Temperature : Model {     Date date;     double degrees;       Temperature(Date date, double degrees) {         this.date = date;         this.degrees = degrees;     }       void setDegrees(double degrees) {         this.degrees = degrees;     } } // Create multiple views class BarChart : View {     // ... } class LineChart : View {     // ... }   // Instantiate models Temperature temp1 = new Temperature(new Date(), 27); Temperature temp2 = new Temperature(new Date(), 30);   // Instantiate views BarChart barChart = new BarChart(); LineChart lineChart = new LineChart();   // Attach views to models temp1.attach(barChart); temp1.attach(lineChart); temp2.attach(barChart); temp2.attach(lineChart);   // Initialize views (perform initial render) to the data in `temp1`. // (Assuming data for `temp2` is initially hidden until the user, via // the user interface, enables it.) barChart.initialize(temp1); lineChart.initialize(temp1);   // Change the data from the initial render temp1.setDegrees(37); temp2.setDegrees(40);   // Update all views temp1.updateAll(); temp2.updateAll();   // Detach a view temp1.detach(lineChart);   // Update again... temp1.updateAll(); // Now only the bar chart gets updated for `temp1`'s data