com.forrestguice.suntimeswidget.HelpDialog.java Source code

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Here is the source code for com.forrestguice.suntimeswidget.HelpDialog.java

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/**
Copyright (C) 2014 Forrest Guice
This file is part of SuntimesWidget.
    
SuntimesWidget is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
SuntimesWidget is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with SuntimesWidget.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.forrestguice.suntimeswidget;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.Dialog;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.DialogFragment;
import android.support.v7.app.AlertDialog;
import android.text.Html;

import android.view.LayoutInflater;
import android.view.View;
import android.widget.TextView;

public class HelpDialog extends DialogFragment {
    public static final String KEY_HELPTEXT = "helpText";

    /**
     * The text content displayed by the help dialog.
     */
    private String rawContent = "";

    public String getContent() {
        return rawContent;
    }

    public void setContent(String content) {
        rawContent = content;
        if (txtView != null) {
            txtView.setText(Html.fromHtml(rawContent));
        }
    }

    /**
     * @param savedInstanceState a previously saved state (or null)
     * @return a Dialog object ready to be displayed
     */
    @NonNull
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        final Activity myParent = getActivity();
        LayoutInflater inflater = myParent.getLayoutInflater();
        @SuppressLint("InflateParams")
        View dialogContent = inflater.inflate(R.layout.layout_dialog_help, null);

        AlertDialog.Builder builder = new AlertDialog.Builder(myParent);
        builder.setView(dialogContent);
        AlertDialog dialog = builder.create();

        initViews(dialogContent);
        if (savedInstanceState != null) {
            //Log.d("DEBUG", "HelpDialog onCreate (restoreState)");
            rawContent = savedInstanceState.getString(KEY_HELPTEXT);
        }
        setContent(rawContent);
        return dialog;
    }

    /**
     *
     */
    private TextView txtView;

    public void initViews(View dialogView) {
        txtView = (TextView) dialogView.findViewById(R.id.txt_help_content);
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        //Log.d("DEBUG", "HelpDialog onSaveInstanceState");
        outState.putString(KEY_HELPTEXT, rawContent);
        super.onSaveInstanceState(outState);
    }

}