Introduce a second drawer with map settings
This commit is contained in:
fkloft
263
mobile/src/com/cradle/iitc_mobile/IITC_MapSettings.java
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263
mobile/src/com/cradle/iitc_mobile/IITC_MapSettings.java
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package com.cradle.iitc_mobile;
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import android.content.Context;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.AdapterView.OnItemLongClickListener;
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import android.widget.AdapterView.OnItemSelectedListener;
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import android.widget.ArrayAdapter;
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import android.widget.CheckedTextView;
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import android.widget.ListView;
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import android.widget.Spinner;
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import android.widget.TextView;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.util.Comparator;
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public class IITC_MapSettings implements OnItemSelectedListener, OnItemClickListener, OnItemLongClickListener {
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private class HighlighterComparator implements Comparator<String> {
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@Override
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public int compare(String lhs, String rhs) {
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// Move "No Highlights" on top. Sort the rest alphabetically
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if (lhs.equals("No Highlights"))
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return -1000;
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else if (rhs.equals("No Highlights"))
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return 1000;
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else
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return lhs.compareTo(rhs);
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}
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}
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private class Layer {
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boolean active;
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int id;
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String name;
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@Override
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public String toString() {
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return name;
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}
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}
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private class LayerAdapter extends ArrayAdapter<Layer>
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{
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public LayerAdapter(int resource) {
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super(mIitc, resource);
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}
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@Override
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public View getView(int position, View convertView, ViewGroup parent) {
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Layer item = getItem(position);
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View view = (TextView) super.getView(position, convertView, parent);
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if (view instanceof CheckedTextView)
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((CheckedTextView) view).setChecked(item.active);
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return view;
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}
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}
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private IITC_Mobile mIitc;
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private ArrayAdapter<String> mHighlighters;
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private ArrayAdapter<Layer> mBaseLayers;
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private ArrayAdapter<Layer> mOverlayLayers;
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private Spinner mSpinnerBaseMap;
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private Spinner mSpinnerHighlighter;
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private ListView mListViewOverlayLayers;
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private String mActiveHighlighter;
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private int mActiveLayer;
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private class HighlighterAdapter extends ArrayAdapter<String> {
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private HighlighterComparator mComparator = new HighlighterComparator();
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private HighlighterAdapter(int resource) {
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super(mIitc, resource);
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clear();
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}
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@Override
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public void add(String object) {
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super.remove(object); // to avoid duplicates
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super.add(object);
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super.sort(mComparator);
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}
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@Override
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public void clear() {
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super.clear();
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add("No Highlights");// Probably must be the same as window._no_highlighter
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}
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}
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public IITC_MapSettings(IITC_Mobile activity) {
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mIitc = activity;
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mHighlighters = new HighlighterAdapter(R.layout.list_item_narrow);
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mBaseLayers = new LayerAdapter(R.layout.list_item_narrow);
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mOverlayLayers = new LayerAdapter(android.R.layout.simple_list_item_multiple_choice);
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mHighlighters.setDropDownViewResource(R.layout.list_item_selectable);
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mBaseLayers.setDropDownViewResource(R.layout.list_item_selectable);
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LayoutInflater inflater = (LayoutInflater) mIitc.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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View header = inflater.inflate(R.layout.map_options_header, null);
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mSpinnerHighlighter = (Spinner) header.findViewById(R.id.spinnerHighlighter);
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mSpinnerBaseMap = (Spinner) header.findViewById(R.id.spinnerBaseLayer);
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mListViewOverlayLayers = (ListView) mIitc.findViewById(R.id.right_drawer);
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mListViewOverlayLayers.addHeaderView(header);
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mSpinnerHighlighter.setAdapter(mHighlighters);
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mSpinnerBaseMap.setAdapter(mBaseLayers);
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mListViewOverlayLayers.setAdapter(mOverlayLayers);
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mSpinnerHighlighter.setOnItemSelectedListener(this);
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mSpinnerBaseMap.setOnItemSelectedListener(this);
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mListViewOverlayLayers.setOnItemClickListener(this);
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mListViewOverlayLayers.setOnItemLongClickListener(this);
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}
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public void updateLayers() {
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mIitc.getWebView().loadUrl("javascript: window.layerChooser.getLayers()");
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}
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public void addPortalHighlighter(String name) {
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mHighlighters.add(name);
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if (name.equals(mActiveHighlighter))
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setActiveHighlighter(name);
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}
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public void setActiveHighlighter(String name) {
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mActiveHighlighter = name;
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int position = mHighlighters.getPosition(mActiveHighlighter);
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if (position >= 0 && position < mHighlighters.getCount())
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mSpinnerHighlighter.setSelection(position);
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}
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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},
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* {"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_layers = null;
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JSONArray overlay_layers = null;
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try {
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base_layers = new JSONArray(base_layer);
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overlay_layers = new JSONArray(overlay_layer);
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} catch (JSONException e) {
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e.printStackTrace();
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return;
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}
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mActiveLayer = 0;
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mBaseLayers.setNotifyOnChange(false);
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mBaseLayers.clear();
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for (int i = 0; i < base_layers.length(); i++) {
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try {
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JSONObject layerObj = base_layers.getJSONObject(i);
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Layer layer = new Layer();
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layer.id = layerObj.getInt("layerId");
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layer.name = layerObj.getString("name");
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layer.active = layerObj.getBoolean("active");
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if (layer.active)
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// getCount() will be the index of the layer we are about to add
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mActiveLayer = mBaseLayers.getCount();
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mBaseLayers.add(layer);
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} catch (JSONException e) {
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e.printStackTrace();
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continue;
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}
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}
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mBaseLayers.notifyDataSetChanged();
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mSpinnerBaseMap.setSelection(mActiveLayer);
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mOverlayLayers.setNotifyOnChange(false);
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mOverlayLayers.clear();
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for (int i = 0; i < overlay_layers.length(); i++) {
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try {
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JSONObject layerObj = overlay_layers.getJSONObject(i);
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Layer layer = new Layer();
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layer.id = layerObj.getInt("layerId");
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layer.name = layerObj.getString("name");
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layer.active = layerObj.getBoolean("active");
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mOverlayLayers.add(layer);
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} catch (JSONException e) {
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e.printStackTrace();
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continue;
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}
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}
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mOverlayLayers.notifyDataSetChanged();
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}
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private void updateLayer(Layer layer) {
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mIitc.getWebView().loadUrl(
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"javascript: window.layerChooser.showLayer(" + layer.id + "," + layer.active + ");");
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}
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@Override
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public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
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if (parent.equals(mSpinnerHighlighter)) {
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String name = mHighlighters.getItem(position);
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mIitc.getWebView().loadUrl("javascript: window.changePortalHighlights('" + name + "')");
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}
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else if (parent.equals(mSpinnerBaseMap)) {
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mBaseLayers.getItem(mActiveLayer).active = false; // set old layer to hidden, but no need to really hide
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Layer layer = mBaseLayers.getItem(position);
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layer.active = true;
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updateLayer(layer);
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}
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}
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@Override
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public void onNothingSelected(AdapterView<?> parent) {
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// ignore
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}
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@Override
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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position--; // The ListView header counts as an item as well.
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Layer item = mOverlayLayers.getItem(position);
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item.active = !item.active;
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updateLayer(item);
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mOverlayLayers.notifyDataSetChanged();
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}
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@Override
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public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
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position--; // The ListView header counts as an item as well.
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boolean active = !mOverlayLayers.getItem(position).active;
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for (int i = 0; i < mOverlayLayers.getCount(); i++) {
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Layer item = mOverlayLayers.getItem(i);
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if (item.name.contains("DEBUG")) continue;
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if (active == item.active) continue; // no need to set same value again
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item.active = active;
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updateLayer(item);
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}
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mOverlayLayers.notifyDataSetChanged();
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return true;
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}
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}
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