Easy Tag Write(3.1)

package skyseraph.android.util;

import skyseraph.easytagwrite.R;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.drawable.Drawable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

public class CustomDialog extends Dialog {
    public CustomDialog(Context context, int theme) {
        super(context, theme);
    }

    public CustomDialog(Context context) {
        super(context);
    }

    /**
     * Helper class for creating a custom dialog
     */
    public static class Builder {

        private Context context;

        private String title;

        private String message;

        private String positiveButtonText;

        private String negativeButtonText;

        private View contentView;

        private Drawable drawable;

        private DialogInterface.OnClickListener positiveButtonClickListener,
                negativeButtonClickListener;

        public Builder(Context context) {
            this.context = context;
        }

        /**
         * Set the Dialog message from String
         * 
         * @param title
         * @return
         */
        public Builder setMessage(String message) {
            this.message = message;
            return this;
        }

        /**
         * Set the Dialog message from resource
         * 
         * @param title
         * @return
         */
        public Builder setMessage(int message) {
            this.message = (String)context.getText(message);
            return this;
        }

        /**
         * Set the Dialog title from resource
         * 
         * @param title
         * @return
         */
        public Builder setTitle(int title) {
            this.title = (String)context.getText(title);
            return this;
        }

        /**
         * Set the Dialog title from String
         * 
         * @param title
         * @return
         */
        public Builder setTitle(String title) {
            this.title = title;
            return this;
        }

        /***
         * Set the Dialog Icon from resource
         * 
         * @param imageres
         * @return
         */
        public Builder setIcon(int imageres) {

            this.drawable = context.getResources().getDrawable(imageres);

            return this;
        }

        /***
         * Set the Dialog Icon from Drawable
         * 
         * @param drawable
         * @return
         */
        public Builder setIcon(Drawable drawable) {
            this.drawable = drawable;
            return this;
        }

        /**
         * Set a custom content view for the Dialog. If a message is set, the
         * contentView is not added to the Dialog...
         * 
         * @param v
         * @return
         */
        public Builder setContentView(View v) {
            this.contentView = v;
            return this;
        }

        /**
         * Set the positive button resource and it's listener
         * 
         * @param positiveButtonText
         * @param listener
         * @return
         */
        public Builder setPositiveButton(int positiveButtonText,
                DialogInterface.OnClickListener listener) {
            this.positiveButtonText = (String)context.getText(positiveButtonText);
            this.positiveButtonClickListener = listener;
            return this;
        }

        /**
         * Set the positive button text and it's listener
         * 
         * @param positiveButtonText
         * @param listener
         * @return
         */
        public Builder setPositiveButton(String positiveButtonText,
                DialogInterface.OnClickListener listener) {
            this.positiveButtonText = positiveButtonText;
            this.positiveButtonClickListener = listener;
            return this;
        }

        /**
         * Set the negative button resource and it's listener
         * 
         * @param negativeButtonText
         * @param listener
         * @return
         */
        public Builder setNegativeButton(int negativeButtonText,
                DialogInterface.OnClickListener listener) {
            this.negativeButtonText = (String)context.getText(negativeButtonText);
            this.negativeButtonClickListener = listener;
            return this;
        }

        /**
         * Set the negative button text and it's listener
         * 
         * @param negativeButtonText
         * @param listener
         * @return
         */
        public Builder setNegativeButton(String negativeButtonText,
                DialogInterface.OnClickListener listener) {
            this.negativeButtonText = negativeButtonText;
            this.negativeButtonClickListener = listener;
            return this;
        }

        /**
         * Create the custom dialog
         */
        public CustomDialog create() {
            LayoutInflater inflater = (LayoutInflater)context
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            // instantiate the dialog with the custom Theme
            final CustomDialog dialog = new CustomDialog(context, R.style.Dialog);
            View layout = inflater.inflate(R.layout.dialog, null);
            dialog.addContentView(layout, new LayoutParams(LayoutParams.MATCH_PARENT,
                    LayoutParams.WRAP_CONTENT));
            // set the dialog title
            ((TextView)layout.findViewById(R.id.title)).setText(title);
            if (drawable != null) {
                ((ImageView)layout.findViewById(R.id.imageView1)).setImageDrawable(drawable);
            } else {
                ((ImageView)layout.findViewById(R.id.imageView1)).setVisibility(View.GONE);
            }
            // set the confirm button
            if (positiveButtonText != null) {
                ((Button)layout.findViewById(R.id.positiveButton)).setText(positiveButtonText);
                if (positiveButtonClickListener != null) {
                    ((Button)layout.findViewById(R.id.positiveButton))
                            .setOnClickListener(new View.OnClickListener() {
                                public void onClick(View v) {
                                    positiveButtonClickListener.onClick(dialog,
                                            DialogInterface.BUTTON_POSITIVE);
                                }
                            });
                }
            } else {
                // if no confirm button just set the visibility to GONE
                layout.findViewById(R.id.positiveButton).setVisibility(View.GONE);
            }
            // set the cancel button
            if (negativeButtonText != null) {
                ((Button)layout.findViewById(R.id.negativeButton)).setText(negativeButtonText);
                if (negativeButtonClickListener != null) {
                    ((Button)layout.findViewById(R.id.negativeButton))
                            .setOnClickListener(new View.OnClickListener() {
                                public void onClick(View v) {
                                    negativeButtonClickListener.onClick(dialog,
                                            DialogInterface.BUTTON_NEGATIVE);
                                }
                            });
                }
            } else {
                // if no confirm button just set the visibility to GONE
                layout.findViewById(R.id.negativeButton).setVisibility(View.GONE);
            }
            // set the content message
            if (message != null) {
                ((TextView)layout.findViewById(R.id.message)).setText(message);
            } else if (contentView != null) {
                // if no message set
                // add the contentView to the dialog body
                ((LinearLayout)layout.findViewById(R.id.content)).removeAllViews();
                ((LinearLayout)layout.findViewById(R.id.content)).addView(contentView,
                        new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
            }
            dialog.setContentView(layout);

            return dialog;
        }

    }

}