Android Open Source - RoboBinding-gallery Gallery Presentation Model

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From Project

Back to project page RoboBinding-gallery.

License

The source code is released under:

Apache License

Java Source Code

package org.robobinding.gallery.presentationmodel;
// w  w  w  .  j a  v  a 2 s.co  m
import java.util.List;
import java.util.Map;

import org.robobinding.annotation.DependsOnStateOf;
import org.robobinding.annotation.ItemPresentationModel;
import org.robobinding.annotation.PresentationModel;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;

import com.google.common.collect.Lists;

/**
 * @author Cheng Wei
 * @version $Revision: 1.0 $
 * @since 1.0
 */
@PresentationModel
public class GalleryPresentationModel {
    private Context context;
    private Map<String, Class<? extends Activity>> demoActivityMappings;

    private int selectedDemoIndex;

    public GalleryPresentationModel(Context context, Map<String, Class<? extends Activity>> demoActivityMappings) {
        this.context = context;
        this.demoActivityMappings = demoActivityMappings;
        selectedDemoIndex = 0;
    }

    @ItemPresentationModel(value = StringItemPresentationModel.class)
    public List<String> getDemoList() {
        return Lists.newArrayList(demoActivityMappings.keySet());
    }

    public int getSelectedDemoIndex() {
        return selectedDemoIndex;
    }

    public void setSelectedDemoIndex(int selectedDemoIndex) {
        this.selectedDemoIndex = selectedDemoIndex;
    }

    @DependsOnStateOf("selectedDemoIndex")
    public String getSelectedDemoDescription() {
        return "Try " + getSelectedDemo();
    }

    public void showDemo() {
        String demo = getSelectedDemo();

        Class<?> activityClass = demoActivityMappings.get(demo);
        context.startActivity(new Intent(context, activityClass));
    }

    private String getSelectedDemo() {
        return getDemoList().get(selectedDemoIndex);
    }
}

Java Source Code List

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