BaseSecondaryDrawerItem.java

package com.pan.materialdrawer.model;

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.support.annotation.ColorInt;
import android.support.annotation.ColorRes;
import android.support.annotation.StringRes;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

import com.pan.materialdrawer.holder.ColorHolder;
import com.pan.materialdrawer.holder.ImageHolder;
import com.pan.materialdrawer.holder.StringHolder;
import com.pan.materialdrawer.util.DrawerUIUtils;
import com.mikepenz.materialize.util.UIUtils;

/**
 * Created by mikepenz on 03.02.15.
 */
public abstract class BaseSecondaryDrawerItem<T> extends BaseDrawerItem<T> {
    private StringHolder description;
    private ColorHolder descriptionTextColor;

    public T withDescription(String description) {
        this.description = new StringHolder(description);
        return (T) this;
    }

    public T withDescription(@StringRes int descriptionRes) {
        this.description = new StringHolder(descriptionRes);
        return (T) this;
    }

    public T withDescriptionTextColor(@ColorInt int color) {
        this.descriptionTextColor = ColorHolder.fromColor(color);
        return (T) this;
    }

    public T withDescriptionTextColorRes(@ColorRes int colorRes) {
        this.descriptionTextColor = ColorHolder.fromColorRes(colorRes);
        return (T) this;
    }

    public StringHolder getDescription() {
        return description;
    }

    public ColorHolder getDescriptionTextColor() {
        return descriptionTextColor;
    }

    /**
     * helper method to decide for the correct color
     * OVERWRITE to get the correct secondary color
     *
     * @param ctx
     * @return
     */
    @Override
    protected int getColor(Context ctx) {
        int color;
        if (this.isEnabled()) {
            color = ColorHolder.color(getTextColor(), ctx, com.pan.materialdrawer.R.attr.material_drawer_secondary_text, com.pan.materialdrawer.R.color.material_drawer_secondary_text);
        } else {
            color = ColorHolder.color(getDisabledTextColor(), ctx, com.pan.materialdrawer.R.attr.material_drawer_hint_text, com.pan.materialdrawer.R.color.material_drawer_hint_text);
        }
        return color;
    }

    /**
     * a helper method to have the logic for all secondaryDrawerItems only once
     *
     * @param viewHolder
     */
    protected void bindViewHelper(BaseViewHolder viewHolder) {
        Context ctx = viewHolder.itemView.getContext();

        //set the identifier from the drawerItem here. It can be used to run tests
        viewHolder.itemView.setId(getIdentifier());

        //set the item selected if it is
        viewHolder.itemView.setSelected(isSelected());

        //get the correct color for the background
        int selectedColor = getSelectedColor(ctx);
        //get the correct color for the text
        int color = getColor(ctx);
        int selectedTextColor = getSelectedTextColor(ctx);
        //get the correct color for the icon
        int iconColor = getIconColor(ctx);
        int selectedIconColor = getSelectedIconColor(ctx);

        //set the background for the item
        UIUtils.setBackground(viewHolder.view, DrawerUIUtils.getSelectableBackground(ctx, selectedColor));
        //set the text for the name
        StringHolder.applyTo(this.getName(), viewHolder.name);

        //set the text for the description or hide
        StringHolder.applyToOrHide(this.getDescription(), viewHolder.description);

        //set the colors for textViews
        viewHolder.name.setTextColor(getTextColorStateList(color, selectedTextColor));

        //set the description text color
        ColorHolder.applyToOr(getDescriptionTextColor(), viewHolder.description, getTextColorStateList(getColor(ctx), getSelectedColor(ctx)));

        //define the typeface for our textViews
        if (getTypeface() != null) {
            viewHolder.name.setTypeface(getTypeface());
            viewHolder.description.setTypeface(getTypeface());
        }

        //get the drawables for our icon and set it
        Drawable icon = ImageHolder.decideIcon(getIcon(), ctx, iconColor, isIconTinted(), 1);
        Drawable selectedIcon = ImageHolder.decideIcon(getSelectedIcon(), ctx, selectedIconColor, isIconTinted(), 1);
        ImageHolder.applyMultiIconTo(icon, iconColor, selectedIcon, selectedIconColor, isIconTinted(), viewHolder.icon);

        //for android API 17 --> Padding not applied via xml
        DrawerUIUtils.setDrawerVerticalPadding(viewHolder.view);
    }

    protected static class BaseViewHolder extends RecyclerView.ViewHolder {
        protected View view;
        protected ImageView icon;
        protected TextView name;
        private TextView description;

        public BaseViewHolder(View view) {
            super(view);

            this.view = view;
            this.icon = (ImageView) view.findViewById(com.pan.materialdrawer.R.id.material_drawer_icon);
            this.name = (TextView) view.findViewById(com.pan.materialdrawer.R.id.material_drawer_name);
            this.description = (TextView) view.findViewById(com.pan.materialdrawer.R.id.material_drawer_description);
        }
    }
}