MenuSectionItem.java

package net.tasksnow.view.slidingmenu;

import android.app.Fragment;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.CompoundButton;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.ToggleButton;

import net.tasksnow.R;
import net.tasksnow.util.ColorUtil;

import com.luma.android.andrologger.Logger;


/**
 * @author D056943
 * @since 20:02:49 - 19.12.2012
 * @project cFoldersDemo
 */
public class MenuSectionItem extends AbstractMenuItem {

    // ===========================================================
    // Interfaces
    // ===========================================================
    public interface OnExpandCollapseListener {

        public void onExpandStateChanged(MenuSectionItem sectionItem, boolean detailsSelected);

    }

    protected OnExpandCollapseListener expandCollapseListener;

    public void setOnExpandCollapseListener(OnExpandCollapseListener expandCollapseListener) {
        this.expandCollapseListener = expandCollapseListener;
    }

    // ===========================================================
    // Constants
    // ===========================================================
    public static final int ITEM_TYPE = 1;

    // ===========================================================
    // Fields
    // ===========================================================
    private final String text;
    private final int iconRes;
    private final Fragment execFragment;
    private boolean expanded = false;
    private boolean expandable = false;

    // ===========================================================
    // Constructors
    // ===========================================================
    public MenuSectionItem(String text, int iconRes, Fragment execFragment) {
        this.text = text;
        this.iconRes = iconRes;
        this.execFragment = execFragment;
        this.setOnExpandCollapseListener(expandCollapseListener);
    }

    // ===========================================================
    // Methods for/from SuperClass/Interfaces
    // ===========================================================

    @Override
    public int getType() {
        return ITEM_TYPE;
    }

    @Override
    public View getListItemView(View convertView, Context context) {

        // if (convertView == null) {
        convertView = LayoutInflater.from(context).inflate(R.layout.menu_section_item, null);
        // }
        ImageView icon = (ImageView) convertView.findViewById(R.id.row_icon);

        icon.setImageResource(this.iconRes);
        TextView title = (TextView) convertView.findViewById(R.id.row_title);
        title.setText(this.text);
        View selector = convertView.findViewById(R.id.selectionHandler);

        ToggleButton expandButton = (ToggleButton) convertView.findViewById(R.id.expand_collapse_toggle);
        expandButton.setChecked(this.isExpanded());
        if (this.isExpandable()) {
            expandButton.setVisibility(View.VISIBLE);
            expandButton.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { //TODO Wird Listener nicht neu erzeugt?!?

                        @Override
                        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                            Logger.i(text + isChecked); //TODO Wird kurz vor updateList in false umgewandelt -> crash da die Kind Elemente dann nicht geladen werden!
                            setExpanded(isChecked);
                            if (getOnListItemStateChangeListener() != null) {
                                getOnListItemStateChangeListener().onListItemStateChange(MenuSectionItem.this);
                            }
                        }
                    });
        }
        else
            expandButton.setVisibility(View.INVISIBLE);

        if (this.isSelected()) {
            selector.setVisibility(View.VISIBLE);
            convertView.setBackgroundColor(ColorUtil.setAlpha(ColorUtil.darkerColor(R.color.menuselector_background), 95));
        }
        else {
            selector.setVisibility(View.INVISIBLE);
            convertView.setBackgroundDrawable(null);//TODO
        }

        return convertView;
    }

    @Override
    public Object onExecuteAction() {
        this.setSelected(true);
        return this.execFragment;
    }

    // ===========================================================
    // Methods
    // ===========================================================

    // ===========================================================
    // Getter & Setter
    // ===========================================================
    public String getText() {
        return this.text;
    }

    public boolean isExpandable() {
        return expandable;
    }

    public void setExpandable(boolean expandable) {
        this.expandable = expandable;
    }

    public boolean isExpanded() {
        return expanded;
    }

    public void setExpanded(boolean expanded) {
        this.expanded = expanded;
    }

    // ===========================================================
    // Inner and Anonymous Classes
    // ===========================================================
}