DrawerUIUtils.java

package com.pan.materialdrawer.util;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.ColorStateList;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
import android.os.Build;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.View;

import com.mikepenz.iconics.IconicsDrawable;
import com.pan.materialdrawer.icons.MaterialDrawerFont;
import com.mikepenz.materialize.util.UIUtils;

/**
 * Created by mikepenz on 15.03.14.
 */
@SuppressLint("InlinedApi")
public class DrawerUIUtils {


    /**
     * helper to create a colorStateList for the text
     *
     * @param text_color
     * @param selected_text_color
     * @return
     */
    public static ColorStateList getTextColorStateList(int text_color, int selected_text_color) {
        return new ColorStateList(
                new int[][]{
                        new int[]{android.R.attr.state_selected},
                        new int[]{}
                },
                new int[]{
                        selected_text_color,
                        text_color
                }
        );
    }

    /**
     * helper to create a stateListDrawable for the icon
     *
     * @param icon
     * @param selectedIcon
     * @return
     */
    public static StateListDrawable getIconStateList(Drawable icon, Drawable selectedIcon) {
        StateListDrawable iconStateListDrawable = new StateListDrawable();
        iconStateListDrawable.addState(new int[]{android.R.attr.state_selected}, selectedIcon);
        iconStateListDrawable.addState(new int[]{}, icon);
        return iconStateListDrawable;
    }

    /**
     * helper to create a StateListDrawable for the drawer item background
     *
     * @param selected_color
     * @return
     */
    public static StateListDrawable getDrawerItemBackground(int selected_color) {
        ColorDrawable clrActive = new ColorDrawable(selected_color);
        StateListDrawable states = new StateListDrawable();
        states.addState(new int[]{android.R.attr.state_selected}, clrActive);
        return states;
    }


    /**
     * helper to get the system default selectable background inclusive an active state
     *
     * @param ctx
     * @param selected_color
     * @return
     */
    public static StateListDrawable getSelectableBackground(Context ctx, int selected_color) {
        StateListDrawable states = getDrawerItemBackground(selected_color);
        states.addState(new int[]{}, UIUtils.getCompatDrawable(ctx, getSelectableBackground(ctx)));
        return states;
    }

    /**
     * helper to get the system default selectable background
     *
     * @param ctx
     * @return
     */
    public static int getSelectableBackground(Context ctx) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            // If we're running on Honeycomb or newer, then we can use the Theme's
            // selectableItemBackground to ensure that the View has a pressed state
            TypedValue outValue = new TypedValue();
            ctx.getTheme().resolveAttribute(com.pan.materialdrawer.R.attr.selectableItemBackground, outValue, true);
            return outValue.resourceId;
        } else {
            TypedValue outValue = new TypedValue();
            ctx.getTheme().resolveAttribute(android.R.attr.itemBackground, outValue, true);
            return outValue.resourceId;
        }
    }


    /**
     * Returns the screen width in pixels
     *
     * @param context is the context to get the resources
     * @return the screen width in pixels
     */
    public static int getScreenWidth(Context context) {
        DisplayMetrics metrics = context.getResources().getDisplayMetrics();
        return metrics.widthPixels;
    }

    /**
     * helper to calculate the optimal drawer width
     *
     * @param context
     * @return
     */
    public static int getOptimalDrawerWidth(Context context) {
        int possibleMinDrawerWidth = DrawerUIUtils.getScreenWidth(context) - UIUtils.getActionBarHeight(context);
        int maxDrawerWidth = context.getResources().getDimensionPixelSize(com.pan.materialdrawer.R.dimen.material_drawer_width);
        return Math.min(possibleMinDrawerWidth, maxDrawerWidth);
    }


    /**
     * helper method to get a person placeHolder drawable
     *
     * @param ctx
     * @return
     */
    public static Drawable getPlaceHolder(Context ctx) {
        return new IconicsDrawable(ctx, MaterialDrawerFont.Icon.mdf_person).colorRes(com.pan.materialdrawer.R.color.accent).backgroundColorRes(com.pan.materialdrawer.R.color.primary).sizeDp(56).paddingDp(16);
    }

    /**
     * helper to set the vertical padding to the DrawerItems
     * this is required because on API Level 17 the padding is ignored which is set via the XML
     *
     * @param v
     */
    public static void setDrawerVerticalPadding(View v) {
        int verticalPadding = v.getContext().getResources().getDimensionPixelSize(com.pan.materialdrawer.R.dimen.material_drawer_vertical_padding);
        v.setPadding(verticalPadding, 0, verticalPadding, 0);
    }
}