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package cgeo.geocaching.settings;
import cgeo.geocaching.R;
import cgeo.geocaching.ui.UrlPopup;
import android.app.Activity;
import android.content.Context;
import android.content.res.TypedArray;
import android.preference.Preference;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
/**
* Preference which shows a dialog containing textual explanation. The dialog has two buttons, where one will open a
* hyper link with more detailed information.
* <p>
* The URL for the hyper link and the text are given as custom attributes in the preference XML definition.
* </p>
*
*/
public class InfoPreference extends AbstractAttributeBasedPrefence {
/**
* Content of the dialog, filled from preferences XML.
*/
private String text;
/**
* URL for the second button, filled from preferences XML.
*/
private String url;
/**
* text for the second button to open an URL, filled from preferences XML.
*/
private String urlButton;
private LayoutInflater inflater;
public InfoPreference(final Context context) {
super(context);
init(context);
}
public InfoPreference(final Context context, final AttributeSet attrs) {
super(context, attrs);
init(context);
}
public InfoPreference(final Context context, final AttributeSet attrs, final int defStyle) {
super(context, attrs, defStyle);
init(context);
}
private void init(final Context context) {
inflater = ((Activity) context).getLayoutInflater();
setPersistent(false);
}
@Override
protected int[] getAttributeNames() {
return new int[] { android.R.attr.text, R.attr.url, R.attr.urlButton };
}
@Override
protected void processAttributeValues(final TypedArray values) {
text = values.getString(0);
url = values.getString(1);
urlButton = values.getString(2);
}
@Override
protected View onCreateView(final ViewGroup parent) {
// show popup when clicked
setOnPreferenceClickListener(new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(final Preference preference) {
new UrlPopup(preference.getContext()).show(preference.getTitle().toString(), text, url, urlButton);
// don't update the preference value
return false;
}
});
return addInfoIcon(parent);
}
/**
* Add an info icon at the left hand side of the preference.
*
*/
private View addInfoIcon(final ViewGroup parent) {
final View preferenceView = super.onCreateView(parent);
final ImageView iconView = (ImageView) inflater.inflate(R.layout.preference_info_icon, parent, false);
final LinearLayout frame = (LinearLayout) preferenceView.findViewById(android.R.id.widget_frame);
frame.setVisibility(View.VISIBLE);
frame.addView(iconView);
return preferenceView;
}
}
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