DemoBindingFrame.java example

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jo-widgets-master
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package org.jowidgets.examples.common.demo;

import java.util.ArrayList;

import org.jowidgets.api.widgets.ICheckBox;
import org.jowidgets.api.widgets.blueprint.IInputFieldBluePrint;
import org.jowidgets.api.widgets.blueprint.ISliderViewerBluePrint;
import org.jowidgets.common.widgets.controller.IInputListener;
import org.jowidgets.common.widgets.layout.MigLayoutDescriptor;
import org.jowidgets.tools.widgets.base.Frame;
import org.jowidgets.tools.widgets.blueprint.BPF;
import org.jowidgets.util.IObservableValue;
import org.jowidgets.util.ObservableBoolean;
import org.jowidgets.util.ObservableValue;
import org.jowidgets.util.StringUtils;
import org.jowidgets.util.binding.Bind;
import org.jowidgets.util.binding.IBinding;

final class DemoBindingFrame extends Frame {

    private static final int COLUMNS = 10;
    private static final double MIN_VALUE = -1.0d;
    private static final double MAX_VALUE = 1.0d;
    private static final double DEFAULT_VALUE = 0.0d;

    DemoBindingFrame() {
        super("Binding demo");

        setLayout(new MigLayoutDescriptor("wrap", StringUtils.loop("[]10", COLUMNS - 1) + "[]", "[]0[]20[]"));

        //create observable values and bindings
        final ArrayList<IObservableValue<Double>> observableValues = new ArrayList<IObservableValue<Double>>(COLUMNS);
        final ArrayList<IBinding> bindings = new ArrayList<IBinding>(COLUMNS - 1);
        for (int i = 0; i < COLUMNS; i++) {
            final IObservableValue<Double> observableValue = new ObservableValue<Double>();
            observableValues.add(observableValue);
            if (i > 0) {
                //bind next value to the previous
                final IBinding binding = Bind.bind(observableValues.get(i - 1), observableValue);
                bindings.add(binding);
            }
        }

        //add sliders
        for (int i = 0; i < COLUMNS; i++) {
            final ISliderViewerBluePrint<Double> sliderBp = BPF.sliderViewerDouble(MIN_VALUE, MAX_VALUE);
            sliderBp.setVertical();
            sliderBp.setDefaultValue(DEFAULT_VALUE);
            sliderBp.setObservableValue(observableValues.get(i));
            add(sliderBp, "sgx g1");
        }

        //add input fields
        for (int i = 0; i < COLUMNS; i++) {
            final IInputFieldBluePrint<Double> inputFieldBp = BPF.inputFieldDoubleNumber();
            inputFieldBp.setObservableValue(observableValues.get(i));
            add(inputFieldBp, "sgx g1");
        }

        //add binding checkbox
        final ObservableBoolean booleanValue = new ObservableBoolean(true);
        final ICheckBox bindingCb = add(BPF.checkBox().setText("Bind").setValue(true).setObservableValue(booleanValue));
        bindingCb.addInputListener(new IInputListener() {
            @Override
            public void inputChanged() {
                for (final IBinding binding : bindings) {
                    binding.setBindingState(bindingCb.isSelected());
                }
            }
        });

    }
}