EditTextMenu.java

package carbon.internal;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Rect;
import android.graphics.drawable.ColorDrawable;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.PopupWindow;

import carbon.R;
import carbon.widget.Button;
import carbon.widget.EditText;
import carbon.widget.LinearLayout;

public class EditTextMenu extends PopupWindow {
    private EditText editText;

    public EditTextMenu(Context context) {
        super(LayoutInflater.from(context).inflate(R.layout.carbon_editormenu, null, false));
        getContentView().setLayoutParams(new ViewGroup.MarginLayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));

        setBackgroundDrawable(new ColorDrawable(context.getResources().getColor(android.R.color.transparent)));

        setTouchable(true);
        setFocusable(true);
        setOutsideTouchable(true);
        setAnimationStyle(0);
        setClippingEnabled(false);
    }

    public boolean show(EditText anchor) {
        editText = anchor;

        super.showAtLocation(anchor, Gravity.START | Gravity.TOP, 0, 0);

        update();

        View content = getContentView().findViewById(R.id.carbon_menuContainer);
        content.setVisibility(View.VISIBLE);

        return true;
    }

    public boolean showImmediate(EditText anchor) {
        editText = anchor;

        super.showAtLocation(anchor, Gravity.START | Gravity.TOP, 0, 0);

        update();

        LinearLayout content = (LinearLayout) getContentView().findViewById(R.id.carbon_menuContainer);
        content.setVisibility(View.VISIBLE);

        return true;
    }

    public void update() {
        if (editText == null)
            return;

        final Resources res = getContentView().getContext().getResources();

        int margin = (int) res.getDimension(R.dimen.carbon_padding);
        int itemHeight = (int) res.getDimension(R.dimen.carbon_menuHeight);

        Rect windowRect = new Rect();
        editText.getWindowVisibleDisplayFrame(windowRect);

        int[] location = new int[2];
        editText.getLocationInWindow(location);

        LinearLayout content = (LinearLayout) getContentView().findViewById(R.id.carbon_menuContent);
        content.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED), View.MeasureSpec.makeMeasureSpec(itemHeight, View.MeasureSpec.EXACTLY));

        int popupX = location[0] - margin;
        int popupY = location[1] - margin * 2 - content.getMeasuredHeight();

        update(popupX, popupY, content.getMeasuredWidth() + margin * 2, content.getMeasuredHeight() + margin * 2);

        super.update();
    }

    @Override
    public void dismiss() {
        LinearLayout content = (LinearLayout) getContentView().findViewById(R.id.carbon_menuContainer);
        content.setVisibility(View.INVISIBLE);
        content.getAnimator().addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                EditTextMenu.super.dismiss();
            }
        });
    }

    public void dismissImmediate() {
        super.dismiss();
    }

    public boolean hasVisibleItems() {
        View cut = getContentView().findViewById(R.id.carbon_cut);
        View copy = getContentView().findViewById(R.id.carbon_copy);
        View paste = getContentView().findViewById(R.id.carbon_paste);
        View selectAll = getContentView().findViewById(R.id.carbon_selectAll);

        return cut.getVisibility() == View.VISIBLE || copy.getVisibility() == View.VISIBLE || paste.getVisibility() == View.VISIBLE || selectAll.getVisibility() == View.VISIBLE;
    }

    public void initCopy(final MenuItem item) {
        Button button = (Button) getContentView().findViewById(R.id.carbon_copy);
        initMenuItem(item, button);
    }

    public void initCut(final MenuItem item) {
        Button button = (Button) getContentView().findViewById(R.id.carbon_cut);
        initMenuItem(item, button);
    }

    public void initPaste(final MenuItem item) {
        Button button = (Button) getContentView().findViewById(R.id.carbon_paste);
        initMenuItem(item, button);
    }

    public void initSelectAll(final MenuItem item) {
        Button button = (Button) getContentView().findViewById(R.id.carbon_selectAll);
        initMenuItem(item, button);
    }

    private void initMenuItem(final MenuItem item, Button button) {
        if (item != null) {
            button.setText(item.getTitle());
            button.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    editText.onTextContextMenuItem(item.getItemId());
                    dismiss();
                }
            });
            button.setVisibility(View.VISIBLE);
        } else {
            button.setVisibility(View.GONE);
        }
    }

}