Implements #750, use preference activity

1 files changed, 93 insertions, 0 deletions

diff --git a/main/src/cgeo/geocaching/settings/CheckBoxWithPopupPreference.java b/main/src/cgeo/geocaching/settings/CheckBoxWithPopupPreference.java
new file mode 100644
index 0000000..4e64b9a
--- /dev/null
+++ b/main/src/cgeo/geocaching/settings/CheckBoxWithPopupPreference.java
@@ -0,0 +1,93 @@
+package cgeo.geocaching.settings;
+
+import cgeo.geocaching.R;
+
+import android.app.AlertDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.res.TypedArray;
+import android.net.Uri;
+import android.preference.CheckBoxPreference;
+import android.preference.Preference;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+
+public class CheckBoxWithPopupPreference extends CheckBoxPreference {
+
+    // strings for the popup dialog
+    private String title;
+    private String text;
+    private String url;
+    private String urlButton;
+
+    public CheckBoxWithPopupPreference(Context context) {
+        super(context);
+    }
+
+    public CheckBoxWithPopupPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        processAttributes(context, attrs, 0);
+    }
+
+    public CheckBoxWithPopupPreference(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        processAttributes(context, attrs, defStyle);
+    }
+
+    private void processAttributes(Context context, AttributeSet attrs, int defStyle) {
+        if (attrs == null) {
+            return; // coward's retreat
+        }
+
+        TypedArray types = context.obtainStyledAttributes(attrs, new int[] {
+                R.attr.title, R.attr.text, R.attr.url, R.attr.urlButton },
+                defStyle, 0);
+
+        title = types.getString(0);
+        text = types.getString(1);
+        url = types.getString(2);
+        urlButton = types.getString(3);
+
+        types.recycle();
+    }
+
+    @Override
+    protected View onCreateView(ViewGroup parent) {
+
+        // show dialog when checkbox enabled
+        setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
+            @Override
+            public boolean onPreferenceChange(final Preference preference, Object newValue) {
+                if (!(Boolean) newValue) {
+                    return true;
+                }
+                AlertDialog.Builder builder = new AlertDialog.Builder(
+                        preference.getContext());
+                builder.setMessage(text)
+                        .setIcon(android.R.drawable.ic_dialog_info)
+                        .setTitle(title)
+                        .setPositiveButton(R.string.err_none, new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int id) {
+                                dialog.cancel();
+                            }
+                        })
+                        .setNegativeButton(urlButton, new DialogInterface.OnClickListener() {
+                            @Override
+                            public void onClick(DialogInterface dialog, int id) {
+                                Intent i = new Intent(Intent.ACTION_VIEW);
+                                i.setData(Uri.parse(url));
+                                preference.getContext().startActivity(i);
+                            }
+                        });
+                builder.create().show();
+                return true;
+            }
+        });
+
+        return super.onCreateView(parent);
+    }
+
+}