241 lines
9.0 KiB
Java
241 lines
9.0 KiB
Java
package com.cradle.iitc_mobile;
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import java.util.HashMap;
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import org.json.JSONArray;
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import org.json.JSONException;
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import android.app.AlertDialog;
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import android.content.ClipData;
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import android.content.ClipboardManager;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.DialogInterface.OnClickListener;
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import android.content.DialogInterface.OnMultiChoiceClickListener;
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import android.content.Intent;
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import android.net.Uri;
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import android.util.Log;
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import android.webkit.JavascriptInterface;
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import android.widget.Toast;
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// provide communication between IITC script and android app
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public class IITC_JSInterface {
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// context of main activity
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Context context;
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HashMap<String, String> layer_ids;
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boolean[] overlay_is_active;
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int active_base_layer;
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String[] overlay_layers, base_layers;
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int num_base_layers;
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int num_overlay_layers;
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IITC_JSInterface(Context c) {
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layer_ids = new HashMap<String, String>();
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context = c;
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}
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// send geo intent for navigation apps like gmaps or waze etc...
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@JavascriptInterface
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public void intentPosLink(String lat, String lng, String portal_name) {
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String uri = "geo:" + lat + "," + lng + "?q=" + lat + "," + lng
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+ "%20(" + portal_name + ")";
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Intent intent = new Intent(android.content.Intent.ACTION_VIEW,
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Uri.parse(uri));
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context.startActivity(intent);
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}
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// disable javascript injection while spinner is enabled
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// prevent the spinner from closing automatically
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@JavascriptInterface
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public void spinnerEnabled(boolean en) {
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Log.d("iitcm", "disableJS? " + en);
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((IITC_Mobile) context).getWebView().disableJS(en);
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}
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// copy link to specific portal to android clipboard
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@JavascriptInterface
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public void copy(String s) {
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ClipboardManager clipboard = (ClipboardManager) context
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.getSystemService(Context.CLIPBOARD_SERVICE);
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ClipData clip = ClipData.newPlainText("Copied Text ", s);
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clipboard.setPrimaryClip(clip);
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Toast.makeText(context, "copied to clipboard", Toast.LENGTH_SHORT)
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.show();
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}
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@JavascriptInterface
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public void portalLongPressed() {
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final IITC_Mobile iitcm = (IITC_Mobile) context;
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iitcm.runOnUiThread(new Runnable() {
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@Override
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public void run() {
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iitcm.handleMenuItemSelected(R.id.menu_info, true);
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}
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});
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}
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@JavascriptInterface
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public void dialogOpened(String id, boolean open) {
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((IITC_Mobile) context).dialogOpened(id, open);
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}
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// get layers and list them in a dialog
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@JavascriptInterface
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public void setLayers(String base_layer, String overlay_layer) {
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/*
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* the layer strings have a form like:
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* [{"layerId":27,"name":"MapQuest OSM","active":true},{"layerId":28,"name":"Default Ingress Map","active":false}]
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* Put it in a JSONArray and parse it
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*/
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JSONArray base_layersJSON = null;
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JSONArray overlay_layersJSON = null;
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Log.d("iitcm", base_layer);
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try {
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base_layersJSON = new JSONArray(base_layer);
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overlay_layersJSON = new JSONArray(overlay_layer);
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} catch (JSONException e) {
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e.printStackTrace();
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}
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// get length and initialize arrays
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num_base_layers = base_layersJSON.length();
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num_overlay_layers = overlay_layersJSON.length();
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overlay_is_active = new boolean[num_overlay_layers];
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overlay_layers = new String[num_overlay_layers];
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base_layers = new String[num_base_layers];
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layer_ids.clear();
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// --------------- base layers ------------------------
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for (int i = 0; i < num_base_layers; ++i) {
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try {
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String layer = base_layersJSON.getString(i);
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layer = layer.replace("{", "");
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layer = layer.replace("}", "");
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/*
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* we now should have a string like
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* ["layerId":27,"name":"MapQuest OSM","active":true]
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* split it on ,
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*/
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String[] layers = layer.split(",");
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/*
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* we should have 3 strings in a form like
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* "name":"MapQuest OSM"
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* get the values and get rid of the quotation marks
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*/
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String id = "";
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String name = "";
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boolean isActive = false;
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for (int j = 0; j < layers.length; ++j) {
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String[] values = layers[j].split(":");
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if (values[0].contains("active")) isActive = values[1].equals("true");
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if (values[0].contains("layerId")) id = values[1];
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if (values[0].contains("name")) name = values[1];
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}
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name = name.replace("\"", "");
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layer_ids.put(name, id);
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this.base_layers[i] = name;
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if (isActive) active_base_layer = i;
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} catch (JSONException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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// --------------- overlay layers ------------------------
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for (int i = 0; i < num_overlay_layers; ++i) {
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try {
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String layer = overlay_layersJSON.getString(i);
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layer = layer.replace("{", "");
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layer = layer.replace("}", "");
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String[] layers = layer.split(",");
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String id = "";
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String name = "";
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boolean isActive = false;
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for (int j = 0; j < layers.length; ++j) {
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String[] values = layers[j].split(":");
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if (values[0].contains("active")) isActive = values[1].equals("true");
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if (values[0].contains("layerId")) id = values[1];
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if (values[0].contains("name")) name = values[1];
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}
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name = name.replace("\"", "");
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layer_ids.put(name, id);
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this.overlay_layers[i] = name;
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this.overlay_is_active[i] = isActive;
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} catch (JSONException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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// show overlay layers by default
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show_multi_selection();
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}
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// show all overlay layers in a multi selection list dialog
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private void show_multi_selection() {
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// build the layer chooser dialog
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AlertDialog.Builder d_m = new AlertDialog.Builder(context);
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OnMultiChoiceClickListener m_listener = new OnMultiChoiceClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which, boolean isChecked) {
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// activate clicked layer
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((IITC_Mobile) context).getWebView().loadUrl("javascript: window.layerChooser.showLayer("
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+ layer_ids.get(overlay_layers[which]) + ","
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+ overlay_is_active[which] + ");");
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}
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};
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d_m.setMultiChoiceItems(overlay_layers, overlay_is_active , m_listener);
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// switch to base layers
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d_m.setPositiveButton("Base Layers", new OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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show_single_selection();
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dialog.cancel();
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}
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});
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d_m.setNegativeButton("Close", new OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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dialog.cancel();
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}
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});
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d_m.setTitle("Overlay Layers");
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d_m.show();
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}
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// show all base layers in a single selection list dialog
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private void show_single_selection() {
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OnClickListener s_listener = new OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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// activate clicked layer
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((IITC_Mobile) context).getWebView().loadUrl("javascript: window.layerChooser.showLayer("
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+ layer_ids.get(base_layers[which]) + ","
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+ true + ");");
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active_base_layer = which;
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}
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};
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AlertDialog.Builder d_s = new AlertDialog.Builder(context);
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d_s.setSingleChoiceItems(base_layers, active_base_layer, s_listener);
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// switch to overlay layers
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d_s.setPositiveButton("Overlay Layers", new OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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show_multi_selection();
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dialog.cancel();
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}
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});
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d_s.setNegativeButton("Close", new OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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dialog.cancel();
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}
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});
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d_s.setTitle("Base Layers");
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d_s.show();
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}
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}
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